def get_event_data(self, log: dict):
data_types, data_names, topic_types, topic_names = [], [], [], [] # cannot use `[[]] * 4`
for arg in self._abi['inputs']:
if arg.get('indexed', False) is False:
data_types.append(arg['type'])
data_names.append(arg['name'])
else:
topic_types.append(arg['type'])
topic_names.append(arg['name'])
topics = log['topics'][1:]
decoded_topic_data = [
trx_abi.decode_single(topic_type, decode_hex(topic_data))
for topic_type, topic_data
in zip(topic_types, topics)
]
data = decode_hex(log['data'])
decoded_data = trx_abi.decode_abi(data_types, data)
event_args = dict(itertools.chain(
zip(topic_names, decoded_topic_data),
zip(data_names, decoded_data),
))
return {
'args': event_args,
'event': self._event_name,
'address': log['address'],
}
def parse_output(self, raw: str) -> Any:
"""Parse contract result as result."""
parsed_result = trx_abi.decode_single(self.output_type, bytes.fromhex(raw))
if len(self.outputs) == 1:
return parsed_result[0]
if len(self.outputs) == 0:
return None
return parsed_result