from mythril.solidity.soliditycontract import SolidityContract
from mythril.ethereum.evmcontract import EVMContract
[docs]class Source:
"""Class to handle to source data"""
def __init__(self, source_type=None, source_format=None, source_list=None):
"""
:param source_type: whether it is a solidity-file or evm-bytecode
:param source_format: whether it is bytecode, ethereum-address or text
:param source_list: List of files
:param meta: meta data
"""
self.source_type = source_type
self.source_format = source_format
self.source_list = source_list or []
self._source_hash = []
[docs] def get_source_from_contracts_list(self, contracts):
"""
get the source data from the contracts list
:param contracts: the list of contracts
:return:
"""
if contracts is None or len(contracts) == 0:
return
if isinstance(contracts[0], SolidityContract):
self.source_type = "solidity-file"
self.source_format = "text"
for contract in contracts:
self.source_list += [
file.filename for file in contract.solc_indices.values()
]
self._source_hash.append(contract.bytecode_hash)
self._source_hash.append(contract.creation_bytecode_hash)
elif isinstance(contracts[0], EVMContract):
self.source_format = "evm-byzantium-bytecode"
self.source_type = (
"ethereum-address"
if len(contracts[0].name) == 42 and contracts[0].name[0:2] == "0x"
else "raw-bytecode"
)
for contract in contracts:
if contract.creation_code:
self.source_list.append(contract.creation_bytecode_hash)
if contract.code:
self.source_list.append(contract.bytecode_hash)
self._source_hash = self.source_list
else:
assert False # Fail hard
[docs] def get_source_index(self, bytecode_hash: str) -> int:
"""
Find the contract index in the list
:param bytecode_hash: The contract hash
:return: The index of the contract in the _source_hash list
"""
# TODO: Add this part to exception logs
try:
return self._source_hash.index(bytecode_hash)
except ValueError:
self._source_hash.append(bytecode_hash)
return len(self._source_hash) - 1