#!/usr/bin/env python3 # Copyright (c) 2014-2016 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. # A blocking example using python 2.7 can be obtained from the git history: # https://github.com/bitcoin/bitcoin/blob/37a7fe9e440b83e2364d5498931253937abe9294/contrib/zmq/zmq_sub.py import array import binascii import asyncio, zmq, zmq.asyncio import signal import struct import sys if not (sys.version_info.major >= 3 and sys.version_info.minor >= 4): print("This example only works with Python 3.4 and greater") exit(1) port = 28332 class ZMQHandler(): def __init__(self): self.loop = zmq.asyncio.install() self.zmqContext = zmq.asyncio.Context() self.zmqSubSocket = self.zmqContext.socket(zmq.SUB) self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "hashblock") self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "hashtx") self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "rawblock") self.zmqSubSocket.setsockopt_string(zmq.SUBSCRIBE, "rawtx") self.zmqSubSocket.connect("tcp://127.0.0.1:%i" % port) @asyncio.coroutine def handle(self) : msg = yield from self.zmqSubSocket.recv_multipart() topic = msg[0] body = msg[1] sequence = "Unknown"; if len(msg[-1]) == 4: msgSequence = struct.unpack('