2021-10-12 20:13:59 -04:00

32 lines
985 B
Python

from mev_inspect.schemas.classified_traces import DecodedCallTrace
from mev_inspect.schemas.classifiers import (
ClassifierSpec,
TransferClassifier,
)
from mev_inspect.schemas.transfers import Transfer
class ERC20TransferClassifier(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["amount"],
to_address=trace.inputs["recipient"],
from_address=trace.inputs.get("sender", trace.from_address),
token_address=trace.to_address,
)
ERC20_SPEC = ClassifierSpec(
abi_name="ERC20",
classifiers={
"transferFrom(address,address,uint256)": ERC20TransferClassifier,
"transfer(address,uint256)": ERC20TransferClassifier,
},
)
ERC20_CLASSIFIER_SPECS = [ERC20_SPEC]