QA: Add ZeroMQ RPC test

Author: jonasschnelli

qa/rpc-tests/zmq_test.py

@@ -0,0 +1,93 @@
+#!/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 ()