41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
from typing import List, Optional
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from mev_inspect.classifiers.helpers import _filter_transfers, create_nft_trade_from_transfers
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from mev_inspect.schemas.classifiers import ClassifierSpec, NftTradeClassifier
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from mev_inspect.schemas.nft_trades import NftTrade
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from mev_inspect.schemas.traces import DecodedCallTrace, Protocol
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from mev_inspect.schemas.transfers import ETH_TOKEN_ADDRESS, Transfer
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OPENSEA_WALLET_ADDRESS = "0x5b3256965e7c3cf26e11fcaf296dfc8807c01073"
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class OpenseaClassifier(NftTradeClassifier):
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@staticmethod
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def parse_trade(
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trace: DecodedCallTrace,
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child_transfers: List[Transfer],
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) -> Optional[NftTrade]:
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addresses = trace.inputs.get("addrs")
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buy_maker = addresses[1]
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sell_maker = addresses[8]
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target = addresses[4]
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return create_nft_trade_from_transfers(
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trace,
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child_transfers,
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collection_address=target,
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seller_address=sell_maker,
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buyer_address=buy_maker,
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exchange_wallet_address=OPENSEA_WALLET_ADDRESS,
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)
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OPENSEA_SPEC= ClassifierSpec(
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abi_name="WyvernExchange",
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protocol=Protocol.opensea,
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valid_contract_addresses=["0x7be8076f4ea4a4ad08075c2508e481d6c946d12b"],
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classifiers={
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"atomicMatch_(address[14],uint256[18],uint8[8],bytes,bytes,bytes,bytes,bytes,bytes,uint8[2],bytes32[5])": OpenseaClassifier, # TODO actual types
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},
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)
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OPENSEA_CLASSIFIER_SPECS = [OPENSEA_SPEC]
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