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---
license: agpl-3.0
configs:
- config_name: hex-ethereum
default: true
data_files:
- split: train
path: "hex/ethereum/train/*.parquet"
- split: cleaned
path: "hex/ethereum/cleaned/*.parquet"
- config_name: bin-ethereum
data_files:
- split: train
path: "bin/ethereum/train/*.parquet"
---
# EVM Contracts
## Description
EVMC (Ethereum Virtual Machine Contracts) is a collection of smart contracts from the ETH blockchain.
In particular, each sample holds the creation and runtime bytecodes.
When available, the sources are also included.
## Metadata
- homepage: [https://github.com/apehex/feedblocks][github-feedblocks]
- version: 1.0.1
### HEX Dataset
| Config | Split | Size | Samples | Blocks |
| ----------------- | --------- | --------- | --------- | ------------------------- |
| 'hex-ethereum' | 'train' | 2.8 GB | 1,294,247 | 19,493,000 - 20,292,000 |
| 'hex-ethereum' | 'cleaned' | 2.0 GB | 122,800 | 19,493,000 - 20,292,000 |
The "cleaned" split covers the same block range, but records were removed when:
- the source code is not available
- the source code matches the contract factory instead of the deployed contract
### BIN Dataset
| Config | Split | Size | Samples | Blocks |
| ----------------- | --------- | --------- | --------- | ------------------------- |
| 'bin-ethereum' | 'train' | 2.3 GB | 1,294,247 | 19,493,000 - 20,292,000 |
## Features
The data comes in two flavors: binary and hexadecimal encodings.
The fields have the same names in both and the underlying data is also identical.
In binary form, the raw bytes are stored in most fields:
```python
datasets.Features({
'chain_id': datasets.features.Value(dtype='uint64'),
'block_number': datasets.features.Value(dtype='uint64'),
'block_hash': datasets.features.Value(dtype='large_binary'),
'transaction_hash': datasets.features.Value(dtype='large_binary'),
'deployer_address': datasets.features.Value(dtype='large_binary'),
'factory_address': datasets.features.Value(dtype='large_binary'),
'contract_address': datasets.features.Value(dtype='large_binary'),
'creation_bytecode': datasets.features.Value(dtype='large_binary'),
'runtime_bytecode': datasets.features.Value(dtype='large_binary'),
'creation_sourcecode': datasets.features.Value(dtype='large_binary'),})
```
While in hexadecimal format, the data is encoded into HEX strings:
```python
datasets.Features({
'chain_id': datasets.features.Value(dtype='uint64'),
'block_number': datasets.features.Value(dtype='uint64'),
'block_hash': datasets.features.Value(dtype='string'),
'transaction_hash': datasets.features.Value(dtype='string'),
'deployer_address': datasets.features.Value(dtype='string'),
'factory_address': datasets.features.Value(dtype='string'),
'contract_address': datasets.features.Value(dtype='string'),
'creation_bytecode': datasets.features.Value(dtype='string'),
'runtime_bytecode': datasets.features.Value(dtype='string'),
'creation_sourcecode': datasets.features.Value(dtype='string'),})
```
### Chain And Block Numbers
Both ids are stored as unsigned integers.
### Solidity Sources
The sources all have open source licenses.
They were collected from block explorer APIs like [Etherscan][etherscan-api].
The sources are formatted as [standard JSON input][solidity-docs-json] for the solidity compiler.
The resulting JSON is then encoded using UTF-8 into a single string.
### HEX Dataset
All the other features are HEX encoded into strings, **without** the `0x` prefix.
For example:
```python
{
'chain_id': 1,
'block_number': 20155815,
'block_hash': 'fcddf33b1b5a728a40588eda60262639201ac0d3f611f08286a9e2ef65576111',
'transaction_hash': 'ec3723ffb8a3bbb8b83b25481f61cbfc46383fc88ff8eb364186b53aa226e4bf'
'deployer_address': 'ba57abe375903838b5c19709e96dae12191fa37e',
'factory_address': '0000000000b3f879cb30fe243b4dfee438691c04',
'contract_address': 'eff10e7d4feef60ed9b9e9bb9fee12c2504bd0ba',
'creation_bytecode': '756eb3f879cb30fe243b4dfee438691c043318585733ff6000526016600af3',
'runtime_bytecode': '6eb3f879cb30fe243b4dfee438691c043318585733ff',
'solidity_sourcecode': '',}
```
## BIN Dataset
All the other features are stored in binary format:
```python
{
'chain_id': 1,
'block_number': 20155815,
'block_hash': b'\xfc\xdd\xf3;\x1bZr\x8a@X\x8e\xda`&&9 \x1a\xc0\xd3\xf6\x11\xf0\x82\x86\xa9\xe2\xefeWa\x11',
'transaction_hash': b'\xec7#\xff\xb8\xa3\xbb\xb8\xb8;%H\x1fa\xcb\xfcF8?\xc8\x8f\xf8\xeb6A\x86\xb5:\xa2&\xe4\xbf',
'deployer_address': b'\xbaW\xab\xe3u\x9088\xb5\xc1\x97\t\xe9m\xae\x12\x19\x1f\xa3~',
'factory_address': b'\x00\x00\x00\x00\x00\xb3\xf8y\xcb0\xfe$;M\xfe\xe48i\x1c\x04',
'contract_address': b'\xc7%\xbc1\xcb\xa2LS\xe5\xc0\xc2\xe2\x06]K@\xf5#Fx',
'creation_bytecode': b'un\xb3\xf8y\xcb0\xfe$;M\xfe\xe48i\x1c\x043\x18XW3\xff`\x00R`\x16`\n\xf3',
'runtime_bytecode': b'n\xb3\xf8y\xcb0\xfe$;M\xfe\xe48i\x1c\x043\x18XW3\xff',
'creation_sourcecode': b''}
```
This saves disk space and may actually be more practical for further processing.
[etherscan-api]: https://docs.etherscan.io/api-endpoints/contracts
[github-feedblocks]: https://github.com/apehex/feedblocks/
[github-tfds]: https://github.com/apehex/feedblocks/tree/main/feedblocks/datasets/evmc
[solidity-docs-json]: https://docs.soliditylang.org/en/v0.8.26/using-the-compiler.html#compiler-input-and-output-json-description
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