def test_tuple_encoder():
encoder = TupleEncoder(encoders=(
UnsignedIntegerEncoder(value_bit_size=256),
ByteStringEncoder(),
))
expected = decode_hex(
'0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
) # noqa: E501
actual = encoder((0, b''))
assert actual == expected
def encode_abi(types: Iterable[TypeStr], args: Iterable[Any]) -> bytes:
"""
Encodes the python values in ``args`` as a sequence of binary values of the
ABI types in ``types`` via the head-tail mechanism.
:param types: An iterable of string representations of the ABI types that
will be used for encoding e.g. ``('uint256', 'bytes[]', '(int,int)')``
:param args: An iterable of python values to be encoded.
:returns: The head-tail encoded binary representation of the python values
in ``args`` as values of the ABI types in ``types``.
"""
encoders = [registry.get_encoder(type_str) for type_str in types]
encoder = TupleEncoder(encoders=encoders)
return encoder(args)
def encode_abi(types, args):
encoders = [registry.get_encoder(type_str) for type_str in types]
encoder = TupleEncoder(encoders=encoders)
return encoder(args)