2022-01-19 11:18:04 -05:00

36 lines
1.1 KiB
Python

from mev_inspect.schemas.classifiers import (
ClassifierSpec,
DecodedCallTrace,
TransferClassifier,
)
from mev_inspect.schemas.prices import WETH_TOKEN_ADDRESS
from mev_inspect.schemas.traces import Protocol
from mev_inspect.schemas.transfers import Transfer
class WethTransferClassifier(TransferClassifier):
@staticmethod
def get_transfer(trace: DecodedCallTrace) -> Transfer:
return Transfer(
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=[WETH_TOKEN_ADDRESS],
classifiers={
"transferFrom(address,address,uint256)": WethTransferClassifier,
"transfer(address,uint256)": WethTransferClassifier,
},
)
WETH_CLASSIFIER_SPECS = [WETH_SPEC]