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124 lines
4.5 KiB
Python
Executable File
124 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2015-2017 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 notification interface."""
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import configparser
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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.mininode import CTransaction
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from test_framework.util import (assert_equal,
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bytes_to_hex_str,
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hash256,
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)
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from io import BytesIO
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class ZMQSubscriber:
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def __init__(self, socket, topic):
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self.sequence = 0
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self.socket = socket
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self.topic = topic
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import zmq
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self.socket.setsockopt(zmq.SUBSCRIBE, self.topic)
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def receive(self):
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topic, body, seq = self.socket.recv_multipart()
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# Topic should match the subscriber topic.
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assert_equal(topic, self.topic)
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# Sequence should be incremental.
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assert_equal(struct.unpack('<I', seq)[-1], self.sequence)
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self.sequence += 1
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return body
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class ZMQTest (BitcoinTestFramework):
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def set_test_params(self):
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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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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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# Initialize ZMQ context and socket.
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# All messages are received in the same socket which means
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# that this test fails if the publishing order changes.
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# Note that the publishing order is not defined in the documentation and
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# is subject to change.
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address = "tcp://127.0.0.1:28332"
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self.zmq_context = zmq.Context()
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socket = self.zmq_context.socket(zmq.SUB)
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socket.set(zmq.RCVTIMEO, 60000)
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socket.connect(address)
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# Subscribe to all available topics.
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self.hashblock = ZMQSubscriber(socket, b"hashblock")
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self.hashtx = ZMQSubscriber(socket, b"hashtx")
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self.rawblock = ZMQSubscriber(socket, b"rawblock")
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self.rawtx = ZMQSubscriber(socket, b"rawtx")
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self.extra_args = [["-zmqpub%s=%s" % (sub.topic.decode(), address) for sub in [self.hashblock, self.hashtx, self.rawblock, self.rawtx]], []]
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self.add_nodes(self.num_nodes, self.extra_args)
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self.start_nodes()
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def run_test(self):
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try:
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self._zmq_test()
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finally:
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# Destroy the ZMQ context.
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self.log.debug("Destroying ZMQ context")
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self.zmq_context.destroy(linger=None)
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def _zmq_test(self):
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num_blocks = 5
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self.log.info("Generate %(n)d blocks (and %(n)d coinbase txes)" % {"n": num_blocks})
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genhashes = self.nodes[0].generate(num_blocks)
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self.sync_all()
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for x in range(num_blocks):
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# Should receive the coinbase txid.
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txid = self.hashtx.receive()
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# Should receive the coinbase raw transaction.
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hex = self.rawtx.receive()
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tx = CTransaction()
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tx.deserialize(BytesIO(hex))
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tx.calc_sha256()
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assert_equal(tx.hash, bytes_to_hex_str(txid))
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# Should receive the generated block hash.
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hash = bytes_to_hex_str(self.hashblock.receive())
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assert_equal(genhashes[x], hash)
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# The block should only have the coinbase txid.
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assert_equal([bytes_to_hex_str(txid)], self.nodes[1].getblock(hash)["tx"])
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# Should receive the generated raw block.
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block = self.rawblock.receive()
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assert_equal(genhashes[x], bytes_to_hex_str(hash256(block[:80])))
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self.log.info("Wait for tx from second node")
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payment_txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 1.0)
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self.sync_all()
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# Should receive the broadcasted txid.
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txid = self.hashtx.receive()
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assert_equal(payment_txid, bytes_to_hex_str(txid))
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# Should receive the broadcasted raw transaction.
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hex = self.rawtx.receive()
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assert_equal(payment_txid, bytes_to_hex_str(hash256(hex)))
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if __name__ == '__main__':
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ZMQTest().main()
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