def encodeABI(cls, fn_name, args=None, kwargs=None, data=None): """ Encodes the arguments using the Ethereum ABI for the contract function that matches the given name and arguments.. :param data: defaults to function selector """ fn_abi, fn_selector, fn_arguments = get_function_info( fn_name, contract_abi=cls.abi, args=args, kwargs=kwargs, ) if data is None: data = fn_selector return encode_abi(cls.web3, fn_abi, fn_arguments, data)
def encodeABI(cls, fn_name, args=None, kwargs=None, data=None): """ Encodes the arguments using the Ethereum ABI for the contract function that matches the given name and arguments.. :param data: defaults to function selector """ fn_abi, fn_selector, fn_arguments = get_function_info( fn_name, cls.web3.codec, contract_abi=cls.abi, args=args, kwargs=kwargs, ) if data is None: data = fn_selector return encode_abi(cls.web3, fn_abi, fn_arguments, data)
def from_contract_abi(cls, web3: Web3, fn_sign: str, fn_args: list, contract_abi): """ Create a `Calldata` according to the given contract abi """ assert isinstance(web3, Web3) assert isinstance(fn_sign, str) assert isinstance(fn_args, list) fn_split = re.split('[(),]', fn_sign) fn_name = fn_split[0] fn_abi, fn_selector, fn_arguments = get_function_info( fn_name, abi_codec=web3.codec, contract_abi=contract_abi, args=fn_args) calldata = encode_abi(web3, fn_abi, fn_arguments, fn_selector) return cls(calldata)
def from_signature(cls, web3: Web3, fn_sign: str, fn_args: list): """ Allow to create a `Calldata` from a function signature and a list of arguments. :param fn_sign: the function signature ie. "function(uint256,address)" :param fn_args: arguments to the function ie. [123, "0x00...00"] """ assert isinstance(fn_sign, str) assert isinstance(fn_args, list) fn_split = re.split('[(),]', fn_sign) fn_name = fn_split[0] fn_args_type = [{"type": type} for type in fn_split[1:] if type] fn_abi = {"type": "function", "name": fn_name, "inputs": fn_args_type} fn_abi, fn_selector, fn_arguments = get_function_info("test", abi_codec=web3.codec, fn_abi=fn_abi, args=fn_args) calldata = encode_abi(web3, fn_abi, fn_arguments, fn_selector) return cls(calldata)