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107 lines
4.0 KiB
Python
Executable File
107 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2016 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test the ZMQ API."""
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import configparser
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import os
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import struct
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from test_framework.test_framework import BitcoinTestFramework, SkipTest
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from test_framework.util import (assert_equal,
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bytes_to_hex_str,
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)
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class ZMQTest (BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 2
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def setup_nodes(self):
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# Try to import python3-zmq. Skip this test if the import fails.
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try:
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import zmq
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except ImportError:
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raise SkipTest("python3-zmq module not available.")
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# Check that bitcoin has been built with ZMQ enabled
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config = configparser.ConfigParser()
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if not self.options.configfile:
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self.options.configfile = os.path.dirname(__file__) + "/../config.ini"
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config.read_file(open(self.options.configfile))
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if not config["components"].getboolean("ENABLE_ZMQ"):
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raise SkipTest("bitcoind has not been built with zmq enabled.")
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self.zmqContext = zmq.Context()
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self.zmqSubSocket = self.zmqContext.socket(zmq.SUB)
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self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashblock")
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self.zmqSubSocket.setsockopt(zmq.SUBSCRIBE, b"hashtx")
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ip_address = "tcp://127.0.0.1:28332"
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self.zmqSubSocket.connect(ip_address)
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extra_args = [['-zmqpubhashtx=%s' % ip_address, '-zmqpubhashblock=%s' % ip_address], []]
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self.nodes = self.start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
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def run_test(self):
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genhashes = self.nodes[0].generate(1)
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self.sync_all()
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self.log.info("Wait for tx")
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msg = self.zmqSubSocket.recv_multipart()
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topic = msg[0]
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assert_equal(topic, b"hashtx")
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body = msg[1]
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msgSequence = struct.unpack('<I', msg[-1])[-1]
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assert_equal(msgSequence, 0) # must be sequence 0 on hashtx
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self.log.info("Wait for block")
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msg = self.zmqSubSocket.recv_multipart()
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topic = msg[0]
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body = msg[1]
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msgSequence = struct.unpack('<I', msg[-1])[-1]
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assert_equal(msgSequence, 0) # must be sequence 0 on hashblock
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blkhash = bytes_to_hex_str(body)
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assert_equal(genhashes[0], blkhash) # blockhash from generate must be equal to the hash received over zmq
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self.log.info("Generate 10 blocks (and 10 coinbase txes)")
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n = 10
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genhashes = self.nodes[1].generate(n)
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self.sync_all()
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zmqHashes = []
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blockcount = 0
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for x in range(n * 2):
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msg = self.zmqSubSocket.recv_multipart()
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topic = msg[0]
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body = msg[1]
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if topic == b"hashblock":
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zmqHashes.append(bytes_to_hex_str(body))
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msgSequence = struct.unpack('<I', msg[-1])[-1]
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assert_equal(msgSequence, blockcount + 1)
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blockcount += 1
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for x in range(n):
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assert_equal(genhashes[x], zmqHashes[x]) # blockhash from generate must be equal to the hash received over zmq
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self.log.info("Wait for tx from second node")
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# test tx from a second node
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hashRPC = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.0)
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self.sync_all()
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# now we should receive a zmq msg because the tx was broadcast
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msg = self.zmqSubSocket.recv_multipart()
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topic = msg[0]
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body = msg[1]
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hashZMQ = ""
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if topic == b"hashtx":
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hashZMQ = bytes_to_hex_str(body)
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msgSequence = struct.unpack('<I', msg[-1])[-1]
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assert_equal(msgSequence, blockcount + 1)
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assert_equal(hashRPC, hashZMQ) # txid from sendtoaddress must be equal to the hash received over zmq
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if __name__ == '__main__':
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ZMQTest().main()
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