40 lines
1.2 KiB
Python

from typing import Optional
from mev_inspect.schemas.classifier_specs import ClassifierSpec
from mev_inspect.schemas.classified_traces import (
Classification,
DecodedCallTrace,
Protocol,
)
from mev_inspect.schemas.transfers import ERC20Transfer
def classify_transfer(trace: DecodedCallTrace) -> Optional[ERC20Transfer]:
return ERC20Transfer(
block_number=trace.block_number,
transaction_hash=trace.transaction_hash,
trace_address=trace.trace_address,
amount=trace.inputs["wad"],
to_address=trace.inputs["dst"],
from_address=trace.from_address,
token_address=trace.to_address,
)
WETH_SPEC = ClassifierSpec(
abi_name="WETH9",
protocol=Protocol.weth,
valid_contract_addresses=["0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"],
transfer_classifiers={
"transferFrom(address,address,uint256)": classify_transfer,
"transfer(address,uint256)": classify_transfer,
},
classifications={
"transferFrom(address,address,uint256)": Classification.transfer,
"transfer(address,uint256)": Classification.transfer,
},
)
WETH_CLASSIFIER_SPECS = [WETH_SPEC]