def onResponse(self, responsepack):
"""
obtain the response of given type
"""
result = responsepack.result
data = responsepack.data.decode("utf-8")
# get onResponse emitter
onresponse_emitter = ChannelHandler.getEmitterStr(self.onResponsePrefix,
responsepack.seq, responsepack.type)
if onresponse_emitter in self.requests:
self.requests.remove(onresponse_emitter)
emitter_str = ChannelHandler.getEmitterStr(self.getResultPrefix,
responsepack.seq, responsepack.type)
self.logger.debug("onResponse, emitter: {}".format(emitter_str))
if result != 0:
self.logger.error("response from server failed , seq: {}, type:{}, result: {}".
format(responsepack.seq, responsepack.type, result))
self.callbackEmitter.emit(emitter_str, result, True)
return
try:
# json packet
if responsepack.type == ChannelPack.TYPE_RPC or \
responsepack.type == ChannelPack.TYPE_TX_COMMITTED:
response = FriendlyJsonSerde().json_decode(data)
response_item = None
if "result" not in response.keys():
response_item = dict()
response_item["result"] = response
else:
response_item = response
self.callbackEmitter.emit(emitter_str, response_item, False)
self.logger.debug("response from server , seq: {}, type:{}".
format(responsepack.seq, responsepack.type))
# block notify
elif responsepack.type == ChannelPack.TYPE_TX_BLOCKNUM:
number = int(data.split(',')[1], 10)
self.logger.debug("receive block notify: seq: {} type:{}".
format(responsepack.seq, responsepack.type))
if self.blockNumber < number:
self.blockNumber = number
self.logger.debug("currentBlockNumber: {}".format(self.blockNumber))
except Exception as e:
self.logger.error("decode response failed, seq:{}, type:{}, error info: {}"
.format(responsepack.seq, responsepack.type, e))
error_msg = "decode response failed, seq:{}, type:{}, message: {}".format(
responsepack.seq, responsepack.type, result)
self.callbackEmitter.emit(emitter_str, error_msg, True)
def format_event_register_request(from_block,
to_block,
addresses,
topics,
groupid="1",
filterid=None):
'''
{
"fromBlock": "latest",
"toBlock": "latest",
"addresses": [
0xca5ed56862869c25da0bdf186e634aac6c6361ee
],
"topics": [
"0x91c95f04198617c60eaf2180fbca88fc192db379657df0e412a9f7dd4ebbe95d"
],
"groupID": "1",
"filterID": "bb31e4ec086c48e18f21cb994e2e5967"
}'''
request = dict()
request["fromBlock"] = from_block
request["toBlock"] = to_block
request["addresses"] = addresses
request["topics"] = topics
request["groupID"] = groupid
if filterid is None:
seq = uuid.uuid1()
filterid = seq.hex
request["filterID"] = filterid
requestJson = FriendlyJsonSerde().json_encode(request)
return requestJson
def encode_rpc_request(self, method, params):
rpc_dict = {
"jsonrpc": "2.0",
"method": method,
"params": params or [],
"id": next(self.request_counter),
}
encoded = FriendlyJsonSerde().json_encode(rpc_dict)
return to_bytes(text=encoded)
def make_request(self, method, params, type=ChannelPack.TYPE_RPC):
stat = StatTool.begin()
rpc_data = self.encode_rpc_request(method,params)
self.logger.debug("request rpc_data : {}".format(rpc_data) )
#print("request rpc_data", rpc_data)
request_pack = ChannelPack(type,ChannelPack.make_seq32(), 0,rpc_data)
res = self.send_pack(request_pack)
starttime = time.time()
responsematch = False
while time.time() - starttime < 10: # spend max 10 sec to wait a correct response
try:
theQueue = self.recvThread.getQueue(ChannelPack.TYPE_RPC)
responsepack = theQueue.get(block=True, timeout=3) # pop msg from queue
except Empty as e:
continue
#print("got a pack from queue, detail:{}".format(responsepack.detail()))
self.logger.debug("got a pack from queue, detail:{}".format(responsepack.detail()))
if responsepack.type == ChannelPack.TYPE_RPC and responsepack.seq == request_pack.seq:
responsematch = True
break
else:
#print("*******SKIP!!!! pack ", responsepack.detail())
self.logger.debug("*******SKIP!!!! pack {}".format( responsepack.detail() ))
responsepack = None
continue
if responsematch == False:
raise BcosError(102,None,"timeout")
result = responsepack.result
data = responsepack.data.decode("utf-8")
msg = "success"
if(result!=0):
if result in self.errorMsg:
msg = "unknow error %d"%result
msg = self.errorMsg[result]
raise BcosError(result,msg)
response = FriendlyJsonSerde().json_decode(data)
stat.done()
stat.debug("make_request:{}".format(method) )
self.logger.debug("GetResponse. %s, Response: %s",
method, response)
#print("response from server:",response)
self.logger.debug("response from server: {}".format( response) )
if "result" not in response:
tempresp =dict()
tempresp["result"] = response
response =tempresp
return response
def decode_rpc_response(self, response):
text_response = to_text(response)
return FriendlyJsonSerde().json_decode(text_response)