#!/usr/bin/env python3 # Copyright (c) 2015-2016 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. # # Test ZMQ interface # from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * import zmq import struct import http.client import urllib.parse class ZMQTest (BitcoinTestFramework): def __init__(self): super().__init__() self.num_nodes = 4 port = 28332 def setup_nodes(self): self.zmqContext = zmq.Context() self.zmqSubSocket = self.zmqContext.socket(zmq.SUB) self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashblock") self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashtx") self.zmqSubSocket.connect("tcp://127.0.0.1:%i" % self.port) return start_nodes(self.num_nodes, self.options.tmpdir, extra_args=[ ['-zmqpubhashtx=tcp://127.0.0.1:'+str(self.port), '-zmqpubhashblock=tcp://127.0.0.1:'+str(self.port)], [], [], [] ]) def run_test(self): self.sync_all() genhashes = self.nodes[0].generate(1) self.sync_all() print("listen...") msg = self.zmqSubSocket.recv_multipart() topic = msg[0] assert_equal(topic, b"hashtx") body = msg[1] nseq = msg[2] msgSequence = struct.unpack('<I', msg[-1])[-1] assert_equal(msgSequence, 0) #must be sequence 0 on hashtx msg = self.zmqSubSocket.recv_multipart() topic = msg[0] body = msg[1] msgSequence = struct.unpack('<I', msg[-1])[-1] assert_equal(msgSequence, 0) #must be sequence 0 on hashblock blkhash = bytes_to_hex_str(body) assert_equal(genhashes[0], blkhash) #blockhash from generate must be equal to the hash received over zmq n = 10 genhashes = self.nodes[1].generate(n) self.sync_all() zmqHashes = [] blockcount = 0 for x in range(0,n*2): msg = self.zmqSubSocket.recv_multipart() topic = msg[0] body = msg[1] if topic == b"hashblock": zmqHashes.append(bytes_to_hex_str(body)) msgSequence = struct.unpack('<I', msg[-1])[-1] assert_equal(msgSequence, blockcount+1) blockcount += 1 for x in range(0,n): assert_equal(genhashes[x], zmqHashes[x]) #blockhash from generate must be equal to the hash received over zmq #test tx from a second node hashRPC = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.0) self.sync_all() # now we should receive a zmq msg because the tx was broadcast msg = self.zmqSubSocket.recv_multipart() topic = msg[0] body = msg[1] hashZMQ = "" if topic == b"hashtx": hashZMQ = bytes_to_hex_str(body) msgSequence = struct.unpack('<I', msg[-1])[-1] assert_equal(msgSequence, blockcount+1) assert_equal(hashRPC, hashZMQ) #blockhash from generate must be equal to the hash received over zmq if __name__ == '__main__': ZMQTest ().main ()