def register_event_callback(addresses, event_name, indexed_value):
topics = []
topic0 = parser.topic_from_event_name(event_name)
topics.append(topic0)
event_abi = parser.event_name_map[event_name]
print("event abi:", event_abi)
if len(indexed_value) > 0:
indexedinput = []
for input in event_abi["inputs"]:
if input["indexed"] is True:
indexedinput.append((input['name'], input['type']))
print(indexedinput)
i = 0
for v in indexed_value:
itype = indexedinput[i][1]
topic = DatatypeParser.topic_from_type(itype, v)
if not (topic is None):
topics.append(topic)
i = i + 1
requestJson = format_event_register_request("latest", "latest", addresses,
topics)
requestbytes = ChannelPack.pack_amop_topic_message("", requestJson)
client.channel_handler.pushDispacher.add_handler(
ChannelPack.EVENT_LOG_PUSH, eventHandler01)
client.channel_handler.pushDispacher.add_handler(
ChannelPack.EVENT_LOG_PUSH, eventHandler02)
response = client.channel_handler.make_channel_request(
requestbytes, ChannelPack.CLIENT_REGISTER_EVENT_LOG,
ChannelPack.CLIENT_REGISTER_EVENT_LOG)
(topic, result) = ChannelPack.unpack_amop_topic_message(response)
dataobj = json.loads(result)
print("after register ,event_name:{},topic:{},result:{}".format(
event_name, topic, dataobj['result']))
def register_eventlog_filter(
self,
eventcallback,
abiparser,
addresses,
event_name,
indexed_value=None,
fromblock="latest",
to_block="latest"):
topics = []
if event_name is not None:
topic0 = abiparser.topic_from_event_name(event_name)
topics.append(topic0)
event_abi = abiparser.event_name_map[event_name]
#print("event abi:", event_abi)
if indexed_value is not None and len(indexed_value) > 0:
indexedinput = []
for event_input in event_abi["inputs"]:
if event_input["indexed"] is True:
indexedinput.append((event_input['name'], event_input['type']))
# print(indexedinput)
i = 0
for v in indexed_value:
itype = indexedinput[i][1]
topic = DatatypeParser.topic_from_type(itype, v)
if not (topic is None):
topics.append(topic)
i = i + 1
# create new filterid by uuid
seq = uuid.uuid1()
filterid = seq.hex
requestJson = self.format_event_register_request(
fromblock, to_block, addresses, topics, self.client.groupid, filterid)
requestbytes = ChannelPack.pack_amop_topic_message("", requestJson)
response = self.client.channel_handler.make_channel_request(
requestbytes, ChannelPack.CLIENT_REGISTER_EVENT_LOG, ChannelPack.CLIENT_REGISTER_EVENT_LOG)
(topic, result) = ChannelPack.unpack_amop_topic_message(response)
dataobj = json.loads(result)
# print(dataobj)
if dataobj["result"] == 0:
self.ecb_manager.set_callback(filterid, eventcallback)
return dataobj
