36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
from mev_inspect.schemas.classifiers import (
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ClassifierSpec,
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DecodedCallTrace,
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TransferClassifier,
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)
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from mev_inspect.schemas.prices import WETH_TOKEN_ADDRESS
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from mev_inspect.schemas.traces import Protocol
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from mev_inspect.schemas.transfers import Transfer
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class WethTransferClassifier(TransferClassifier):
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@staticmethod
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def get_transfer(trace: DecodedCallTrace) -> Transfer:
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return Transfer(
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block_number=trace.block_number,
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transaction_hash=trace.transaction_hash,
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trace_address=trace.trace_address,
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amount=trace.inputs["wad"],
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to_address=trace.inputs["dst"],
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from_address=trace.from_address,
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token_address=trace.to_address,
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)
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WETH_SPEC = ClassifierSpec(
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abi_name="WETH9",
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protocol=Protocol.weth,
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valid_contract_addresses=[WETH_TOKEN_ADDRESS],
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classifiers={
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"transferFrom(address,address,uint256)": WethTransferClassifier,
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"transfer(address,uint256)": WethTransferClassifier,
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},
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)
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WETH_CLASSIFIER_SPECS = [WETH_SPEC]
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