creation_sourcecode: /*
  
  ~ Fumo Fumo ~
  
  Website: https://fumo-corp.org 
  Twitter: https://x.com/fumo_eth
  Telegram: https://t.me/fumoportal
  
  */
  
  // SPDX-License-Identifier: MIT
  
  pragma solidity ^0.8.21;
  
  interface IUniswapV2Factory {
      event PairCreated(address indexed token0, address indexed token1, address pair, uint256);
  
      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(uint256) external view returns (address pair);
  
      function allPairsLength() external view returns (uint256);
  
      function createPair(address tokenA, address tokenB) external returns (address pair);
  
      function setFeeTo(address) external;
  
      function setFeeToSetter(address) external;
  }
  
  pragma solidity ^0.8.21;
  
  interface IUniswapV2Router02 {
      function factory() external pure returns (address);
  
      function WETH() external pure returns (address);
  
      function addLiquidity(
          address tokenA,
          address tokenB,
          uint256 amountADesired,
          uint256 amountBDesired,
          uint256 amountAMin,
          uint256 amountBMin,
          address to,
          uint256 deadline
      ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);
  
      function addLiquidityETH(
          address token,
          uint256 amountTokenDesired,
          uint256 amountTokenMin,
          uint256 amountETHMin,
          address to,
          uint256 deadline
      ) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
  
      function swapExactTokensForTokensSupportingFeeOnTransferTokens(
          uint256 amountIn,
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external;
  
      function swapExactETHForTokensSupportingFeeOnTransferTokens(
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external payable;
  
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint256 amountIn,
          uint256 amountOutMin,
          address[] calldata path,
          address to,
          uint256 deadline
      ) external;
  }
  
  pragma solidity ^0.8.21;
  
  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 {
              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;
          }
      }
  }
  
  pragma solidity ^0.8.21;
  
  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);
  }
  
  pragma solidity ^0.8.21;
  
  
  interface IERC20Metadata is IERC20 {
      function name() external view returns (string memory);
  
      function symbol() external view returns (string memory);
  
      function decimals() external view returns (uint8);
  }
  
  pragma solidity ^0.8.21;
  
  abstract contract Context {
      function _msgSender() internal view virtual returns (address) {
          return msg.sender;
      }
  
      function _msgData() internal view virtual returns (bytes calldata) {
          return msg.data;
      }
  }
  
  pragma solidity ^0.8.21;
  
  
  abstract contract Ownable is Context {
      address private _owner;
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
      constructor() {
          _transferOwnership(_msgSender());
      }
  
      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 {
          _transferOwnership(address(0));
      }
  
      function transferOwnership(address newOwner) public virtual onlyOwner {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          _transferOwnership(newOwner);
      }
  
      function _transferOwnership(address newOwner) internal virtual {
          address oldOwner = _owner;
          _owner = newOwner;
          emit OwnershipTransferred(oldOwner, newOwner);
      }
  }
  
  pragma solidity ^0.8.21;
  
  
  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;
  
      constructor(string memory name_, string memory symbol_) {
          _name = name_;
          _symbol = symbol_;
      }
  
      function name() public view virtual override returns (string memory) {
          return _name;
      }
  
      function symbol() public view virtual override returns (string memory) {
          return _symbol;
      }
  
      function decimals() public view virtual override returns (uint8) {
          return 18;
      }
  
      function totalSupply() public view virtual override returns (uint256) {
          return _totalSupply;
      }
  
      function balanceOf(address account) public view virtual override returns (uint256) {
          return _balances[account];
      }
  
      function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
          _transfer(_msgSender(), recipient, amount);
          return true;
      }
  
      function allowance(address owner, address spender) public view virtual override returns (uint256) {
          return _allowances[owner][spender];
      }
  
      function approve(address spender, uint256 amount) public virtual override returns (bool) {
          _approve(_msgSender(), spender, amount);
          return true;
      }
  
      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");
          unchecked {
              _approve(sender, _msgSender(), currentAllowance - amount);
          }
  
          return true;
      }
  
      function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
          _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
          return true;
      }
  
      function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
          uint256 currentAllowance = _allowances[_msgSender()][spender];
          require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
          unchecked {
              _approve(_msgSender(), spender, currentAllowance - subtractedValue);
          }
  
          return true;
      }
  
      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");
          unchecked {
              _balances[sender] = senderBalance - amount;
          }
          _balances[recipient] += amount;
  
          emit Transfer(sender, recipient, amount);
  
          _afterTokenTransfer(sender, recipient, amount);
      }
  
      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);
  
          _afterTokenTransfer(address(0), account, amount);
      }
  
      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");
          unchecked {
              _balances[account] = accountBalance - amount;
          }
          _totalSupply -= amount;
  
          emit Transfer(account, address(0), amount);
  
          _afterTokenTransfer(account, address(0), amount);
      }
  
      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 _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
  
      function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
  }
  
  pragma solidity ^0.8.21;
  
  contract Fumo is ERC20, Ownable {
      using SafeMath for uint256;
  
      IUniswapV2Router02 public immutable uniswapV2Router;
      address public immutable uniswapV2Pair;
      address public constant deadAddress = address(0xdead);
  
      bool private swapping;
  
      address private marketingWallet;
  
      uint256 public maxTransactionAmount;
      uint256 public swapTokensAtAmount;
      uint256 public maxWallet;
      uint256 public maxSwapAmount;
  
      bool public limitsInEffect = true;
      bool public tradingActive = false;
      bool public swapEnabled = false;
  
      uint256 private launchedAt;
      uint256 private launchedTime;
      uint256 public blocks;
  
      uint256 public buyTotalFees;
  
      uint256 public sellTotalFees;
  
      mapping(address => bool) private _isExcludedFromFees;
      mapping(address => bool) public _isExcludedMaxTransactionAmount;
  
      mapping(address => bool) public automatedMarketMakerPairs;
  
      mapping(uint256 => uint256) private blockSwaps;
  
      event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
  
      event ExcludeFromFees(address indexed account, bool isExcluded);
  
      event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
  
      event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
  
      event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiquidity);
  
      constructor() ERC20("Fumo", "FUMO") {
          IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
  
          excludeFromMaxTransaction(address(_uniswapV2Router), true);
          uniswapV2Router = _uniswapV2Router;
  
          uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
          excludeFromMaxTransaction(address(uniswapV2Pair), true);
          _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
  
          uint256 totalSupply = 1_000_000_000 * 1e18;
  
          maxTransactionAmount = 20_000_000 * 1e18;
          maxWallet = 20_000_000 * 1e18;
          swapTokensAtAmount = 50_000 * 1e18;
          maxSwapAmount = 10_000_000 * 1e18;
  
          marketingWallet = msg.sender;
  
          uint256 amountLP = totalSupply.mul(98).div(100);
          uint256 amountTeam = totalSupply.mul(2).div(100);
  
          _mint(address(this), amountLP); 
          _mint(msg.sender, amountTeam);
  
          excludeFromFees(owner(), true);
          excludeFromFees(address(this), true);
          excludeFromFees(address(0xdead), true);
  
          excludeFromMaxTransaction(owner(), true);
          excludeFromMaxTransaction(address(this), true);
          excludeFromMaxTransaction(address(0xdead), true);
      }
  
      receive() external payable {}
  
      function openTrading() external payable onlyOwner {
          _approve(address(this), address(uniswapV2Router), totalSupply());
          uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
          IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
  
          blocks = 10;
          tradingActive = true;
          swapEnabled = true;
          launchedAt = block.number;
          launchedTime = block.timestamp;
      }
  
      function removeLimits() external onlyOwner {
          limitsInEffect = false;
      }
  
      function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
          swapTokensAtAmount = newAmount * (10 ** 18);
      }
  
      function updateMaxSwap(uint256 newAmount) external onlyOwner {
          maxSwapAmount = newAmount * (10 ** 18);
      }
  
      function updateMaxTxnAmount(uint256 newNum) external onlyOwner {
          require(newNum >= ((totalSupply() * 1) / 1000) / 1e18, "Cannot set maxTransactionAmount lower than 0.1%");
          maxTransactionAmount = newNum * (10 ** 18);
      }
  
      function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
          require(newNum >= ((totalSupply() * 5) / 1000) / 1e18, "Cannot set maxWallet lower than 0.5%");
          maxWallet = newNum * (10 ** 18);
      }
  
      function whitelistContract(address _whitelist, bool isWL) public onlyOwner {
          _isExcludedMaxTransactionAmount[_whitelist] = isWL;
  
          _isExcludedFromFees[_whitelist] = isWL;
      }
  
      function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
          _isExcludedMaxTransactionAmount[updAds] = isEx;
      }
  
      // only use to disable contract sales if absolutely necessary (emergency use only)
      function updateSwapEnabled(bool enabled) external onlyOwner {
          swapEnabled = enabled;
      }
  
      function excludeFromFees(address account, bool excluded) public onlyOwner {
          _isExcludedFromFees[account] = excluded;
          emit ExcludeFromFees(account, excluded);
      }
  
      function manualswap(uint256 amount) external {
          require(_msgSender() == marketingWallet);
          require(amount <= balanceOf(address(this)) && amount > 0, "Wrong amount");
          swapTokensForEth(amount);
      }
  
      function manualsend() external {
          bool success;
          (success,) = address(marketingWallet).call{value: address(this).balance}("");
      }
  
      function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
          require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
  
          _setAutomatedMarketMakerPair(pair, value);
      }
  
      function _setAutomatedMarketMakerPair(address pair, bool value) private {
          automatedMarketMakerPairs[pair] = value;
  
          emit SetAutomatedMarketMakerPair(pair, value);
      }
  
      function updateFees(uint256 _fee) external onlyOwner {
          buyTotalFees = _fee;
          sellTotalFees = _fee;
      }
  
      function updateBuyFees(uint256 _marketingFee) external onlyOwner {
          buyTotalFees = _marketingFee;
      }
  
      function updateSellFees(uint256 _marketingFee) external onlyOwner {
          sellTotalFees = _marketingFee;
      }
  
      function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
          emit marketingWalletUpdated(newMarketingWallet, marketingWallet);
          marketingWallet = newMarketingWallet;
      }
  
      function airdrop(address[] calldata addresses, uint256[] calldata amounts) external {
          require(addresses.length > 0 && amounts.length == addresses.length);
          address from = msg.sender;
  
          for (uint256 i = 0; i < addresses.length; i++) {
              _transfer(from, addresses[i], amounts[i] * (10 ** 18));
          }
      }
  
      function _transfer(address from, address to, uint256 amount) internal override {
          require(from != address(0), "ERC20: transfer from the zero address");
          require(to != address(0), "ERC20: transfer to the zero address");
  
          if (amount == 0) {
              super._transfer(from, to, 0);
              return;
          }
  
          if (limitsInEffect) {
              if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !swapping) {
                  if ((launchedAt + blocks) >= block.number) {
                      // Starting Taxes
                      sellTotalFees = 25;
                      buyTotalFees = 25;
                  }
  
                  if (!tradingActive) {
                      require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
                  }
  
                  //when buy
                  if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
                      require(amount <= maxTransactionAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
                      require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
                  }
                  //when sell
                  else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
                      require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
                  } else if (!_isExcludedMaxTransactionAmount[to]) {
                      require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
                  }
              }
          }
  
          uint256 contractTokenBalance = balanceOf(address(this));
  
          bool canSwap = contractTokenBalance >= swapTokensAtAmount;
  
          if (
              canSwap && swapEnabled && !swapping && !automatedMarketMakerPairs[from] && !_isExcludedFromFees[from]
                  && !_isExcludedFromFees[to]
          ) {
              // Limit swaps per block
              if (blockSwaps[block.number] < 3) {
                  swapping = true;
  
                  swapBack();
  
                  swapping = false;
  
                  blockSwaps[block.number] = blockSwaps[block.number] + 1;
              }
          }
  
          bool takeFee = !swapping;
  
          // if any account belongs to _isExcludedFromFee account then remove the fee
          if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
              takeFee = false;
          }
  
          uint256 fees = 0;
          // only take fees on buys/sells, do not take on wallet transfers
          if (takeFee) {
              // on sell
              if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
                  fees = amount.mul(sellTotalFees).div(100);
              }
              // on buy
              else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
                  fees = amount.mul(buyTotalFees).div(100);
              }
  
              if (fees > 0) {
                  super._transfer(from, address(this), fees);
              }
  
              amount -= fees;
          }
  
          super._transfer(from, to, amount);
      }
  
      function swapTokensForEth(uint256 tokenAmount) private {
          // generate the uniswap pair path of token -> weth
          address[] memory path = new address[](2);
          path[0] = address(this);
          path[1] = uniswapV2Router.WETH();
  
          _approve(address(this), address(uniswapV2Router), tokenAmount);
  
          // make the swap
          uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
              tokenAmount,
              0, // accept any amount of ETH
              path,
              address(this),
              block.timestamp
          );
      }
  
      function swapBack() private {
          uint256 contractBalance = balanceOf(address(this));
          bool success;
  
          if (contractBalance == 0) {
              return;
          }
  
          if (contractBalance > maxSwapAmount) {
              contractBalance = maxSwapAmount;
          }
  
          // Halve the amount of liquidity tokens
  
          uint256 amountToSwapForETH = contractBalance;
  
          swapTokensForEth(amountToSwapForETH);
  
          uint256 totalETH = address(this).balance;
  
          (success,) = address(marketingWallet).call{value: totalETH}("");
      }
  }