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88 lines
2.8 KiB
88 lines
2.8 KiB
#!/usr/bin/env python3
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# Copyright (c) 2020 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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"""
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Test addr relay
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"""
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from test_framework.messages import (
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CAddress,
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NODE_NETWORK,
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NODE_WITNESS,
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msg_addr,
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)
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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)
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import time
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# Keep this with length <= 10. Addresses from larger messages are not relayed.
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ADDRS = []
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num_ipv4_addrs = 10
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for i in range(num_ipv4_addrs):
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addr = CAddress()
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addr.time = int(time.time()) + i
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addr.nServices = NODE_NETWORK | NODE_WITNESS
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addr.ip = "123.123.123.{}".format(i % 256)
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addr.port = 8333 + i
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ADDRS.append(addr)
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class AddrReceiver(P2PInterface):
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num_ipv4_received = 0
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def on_addr(self, message):
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for addr in message.addrs:
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assert_equal(addr.nServices, 9)
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if not 8333 <= addr.port < 8343:
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raise AssertionError("Invalid addr.port of {} (8333-8342 expected)".format(addr.port))
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assert addr.ip.startswith('123.123.123.')
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self.num_ipv4_received += 1
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class AddrTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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def run_test(self):
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self.log.info('Create connection that sends addr messages')
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addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
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msg = msg_addr()
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self.log.info('Send too-large addr message')
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msg.addrs = ADDRS * 101 # more than 1000 addresses in one message
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with self.nodes[0].assert_debug_log(['addr message size = 1010']):
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addr_source.send_and_ping(msg)
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self.log.info('Check that addr message content is relayed and added to addrman')
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num_receivers = 7
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receivers = []
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for _ in range(num_receivers):
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receivers.append(self.nodes[0].add_p2p_connection(AddrReceiver()))
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msg.addrs = ADDRS
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with self.nodes[0].assert_debug_log(
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[
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'Added {} addresses from 127.0.0.1: 0 tried'.format(num_ipv4_addrs),
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'received: addr (301 bytes) peer=0',
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]
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):
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addr_source.send_and_ping(msg)
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self.nodes[0].setmocktime(int(time.time()) + 30 * 60)
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for receiver in receivers:
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receiver.sync_with_ping()
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total_ipv4_received = sum(r.num_ipv4_received for r in receivers)
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# Every IPv4 address must be relayed to two peers, other than the
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# originating node (addr_source).
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ipv4_branching_factor = 2
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assert_equal(total_ipv4_received, num_ipv4_addrs * ipv4_branching_factor)
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if __name__ == '__main__':
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AddrTest().main()
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