new_contents: #!/usr/bin/env python2
  # Copyright (c) 2015 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 binascii
  from test_framework.mininode import hash256
  
  try:
      import http.client as httplib
  except ImportError:
      import httplib
  try:
      import urllib.parse as urlparse
  except ImportError:
      import urlparse
  
  class ZMQTest (BitcoinTestFramework):
  
      port = 28332
  
      def setup_nodes(self):
          self.zmqContext = zmq.Context()
          self.zmqSubSocket = self.zmqContext.socket(zmq.SUB)
          self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, "hashblock")
          self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, "hashtx")
          self.zmqSubSocket.connect("tcp://127.0.0.1:%i" % self.port)
          # Note: proxies are not used to connect to local nodes
          # this is because the proxy to use is based on CService.GetNetwork(), which return NET_UNROUTABLE for localhost
          return start_nodes(4, 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 = str(msg[0])
          body = msg[1]
  
          msg = self.zmqSubSocket.recv_multipart()
          topic = str(msg[0])
          body = msg[1]
          blkhash = binascii.hexlify(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 = []
          for x in range(0,n*2):
              msg = self.zmqSubSocket.recv_multipart()
              topic = str(msg[0])
              body = msg[1]
              if topic == "hashblock":
                  zmqHashes.append(binascii.hexlify(body))
  
          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 broadcastet
          msg = self.zmqSubSocket.recv_multipart()
          topic = str(msg[0])
          body = msg[1]
          hashZMQ = ""
          if topic == "hashtx":
              hashZMQ = binascii.hexlify(body)
  
          assert_equal(hashRPC, hashZMQ) #blockhash from generate must be equal to the hash received over zmq
  
  
  if __name__ == '__main__':
      ZMQTest ().main ()
  
subject: Add ZeroMQ RPC test