diff --git a/contrib/zmq/zmq_sub.py b/contrib/zmq/zmq_sub.py index e462198bfe..4839f401b1 100755 --- a/contrib/zmq/zmq_sub.py +++ b/contrib/zmq/zmq_sub.py @@ -11,6 +11,11 @@ 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 >= 5): + print("This example only works with Python 3.5 and greater") + exit(1) port = 28332 diff --git a/contrib/zmq/zmq_sub3.4.py b/contrib/zmq/zmq_sub3.4.py new file mode 100755 index 0000000000..bd0c4fb30c --- /dev/null +++ b/contrib/zmq/zmq_sub3.4.py @@ -0,0 +1,71 @@ +#!/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('