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Protect against decode errors

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This commit is contained in:
Luke Van Seters 2021-08-06 15:52:46 -04:00
parent 28081de807
commit 68f5144959
1 changed files with 5 additions and 1 deletions
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4
mev_inspect/decode.py
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@ -2,6 +2,7 @@ from typing import Dict, Optional
from hexbytes import HexBytes from hexbytes import HexBytes
from eth_abi import decode_abi from eth_abi import decode_abi
from eth_abi.exceptions import InsufficientDataBytes, NonEmptyPaddingBytes
from mev_inspect.schemas.abi import ABI, ABIFunctionDescription from mev_inspect.schemas.abi import ABI, ABIFunctionDescription
from mev_inspect.schemas.call_data import CallData from mev_inspect.schemas.call_data import CallData
@ -27,7 +28,10 @@ class ABIDecoder:
names = [input.name for input in func.inputs] names = [input.name for input in func.inputs]
types = [input.type for input in func.inputs] types = [input.type for input in func.inputs]
try:
decoded = decode_abi(types, params) decoded = decode_abi(types, params)
except (InsufficientDataBytes, NonEmptyPaddingBytes):
return None
return CallData( return CallData(
function_name=func.name, function_name=func.name,