def solidity_sha3(self, abi_types, values):
"""
Executes keccak256 exactly as Solidity does.
Takes list of abi_types as inputs -- `[uint24, int8[], bool]`
and list of corresponding values -- `[20, [-1, 5, 0], True]`
Args:
abi_types (any): types abi
values (any): values
Examples:
>>> tron = Tron()
>>> sol = tron.solidity_sha3(['uint8[]'], [[1, 2, 3, 4, 5]])
>>> assert sol.hex() == '0x5917e5a395fb9b454434de59651d36822a9e29c5ec57474df3e67937b969460c'
"""
if len(abi_types) != len(values):
raise ValueError(
"Length mismatch between provided abi types and values. Got "
"{0} types and {1} values.".format(len(abi_types),
len(values)))
normalized_values = map_abi_data([abi_resolver()], abi_types, values)
hex_string = add_0x_prefix(''.join(
remove_0x_prefix(hex_encode_abi_type(abi_type, value))
for abi_type, value in zip(abi_types, normalized_values)))
return self.keccak(hexstr=hex_string)
def pad_hex(value, bit_size):
"""Pads a hex string up to the given bit_size"""
value = remove_0x_prefix(value)
return add_0x_prefix(value.zfill(int(bit_size / 4)))