def construct_event_data_set(
event_abi: ABIEvent, abi_codec: ABICodec,
arguments: Optional[Union[Sequence[Any], Dict[str, Any]]] = None
) -> List[List[Optional[HexStr]]]:
if arguments is None:
arguments = {}
if isinstance(arguments, (list, tuple)):
if len(arguments) != len(event_abi['inputs']):
raise ValueError(
"When passing an argument list, the number of arguments must "
"match the event constructor."
)
arguments = {
arg['name']: [arg_value]
for arg, arg_value
in zip(event_abi['inputs'], arguments)
}
normalized_args = {
key: value if is_list_like(value) else [value]
# type ignored b/c at this point arguments is always a dict
for key, value in arguments.items() # type: ignore
}
non_indexed_args = exclude_indexed_event_inputs(event_abi)
zipped_abi_and_args = [
(arg, normalized_args.get(arg['name'], [None]))
for arg in non_indexed_args
]
encoded_args = [
[
None if option is None else encode_hex(abi_codec.encode_single(arg['type'], option))
for option in arg_options]
for arg, arg_options in zipped_abi_and_args
]
data = [
list(permutation)
if any(value is not None for value in permutation)
else []
for permutation in itertools.product(*encoded_args)
]
return data
def construct_event_topic_set(
event_abi: ABIEvent, abi_codec: ABICodec,
arguments: Optional[Union[Sequence[Any], Dict[str, Any]]] = None
) -> List[HexStr]:
if arguments is None:
arguments = {}
if isinstance(arguments, (list, tuple)):
if len(arguments) != len(event_abi['inputs']):
raise ValueError(
"When passing an argument list, the number of arguments must "
"match the event constructor."
)
arguments = {
arg['name']: [arg_value]
for arg, arg_value
in zip(event_abi['inputs'], arguments)
}
normalized_args = {
key: value if is_list_like(value) else [value]
# type ignored b/c arguments is always a dict at this point
for key, value in arguments.items() # type: ignore
}
# typed dict cannot be used w/ a normal Dict
# https://github.com/python/mypy/issues/4976
event_topic = encode_hex(event_abi_to_log_topic(event_abi)) # type: ignore
indexed_args = get_indexed_event_inputs(event_abi)
zipped_abi_and_args = [
(arg, normalized_args.get(arg['name'], [None]))
for arg in indexed_args
]
encoded_args = [
[
None if option is None else encode_hex(abi_codec.encode_single(arg['type'], option))
for option in arg_options]
for arg, arg_options in zipped_abi_and_args
]
topics = list(normalize_topic_list([event_topic] + encoded_args)) # type: ignore
return topics