decode_function_args Documentation for eth_defi.abi.decode_function_args function. decode_function_args(func, data)[source] Decode binary CALL or CALLDATA to a Solidity function, Uses web3.Contract.functions prepared function as the ABI source. Parameters func (web3.contract.contract.ContractFunction) – Function which arguments we are going to encode. data (bytes | hexbytes.main.HexBytes) – Extracted from a transaction data field or EVM memoryo trace. Returns Ordered dict of the decoded arguments Return type dict