1#!/usr/bin/env python3
2# Copyright (c) 2020 The Bitcoin Core developers
3# Distributed under the MIT software license, see the accompanying
4# file COPYING or http://www.opensource.org/licenses/mit-license.php.
5"""
6Test addrv2 relay
7"""
8
9import time
10
11from test_framework.messages import (
12    CAddress,
13    msg_addrv2,
14    NODE_NETWORK,
15    NODE_WITNESS,
16)
17from test_framework.p2p import P2PInterface
18from test_framework.test_framework import BitcoinTestFramework
19from test_framework.util import assert_equal
20
21ADDRS = []
22for i in range(10):
23    addr = CAddress()
24    addr.time = int(time.time()) + i
25    addr.nServices = NODE_NETWORK | NODE_WITNESS
26    addr.ip = "123.123.123.{}".format(i % 256)
27    addr.port = 8333 + i
28    ADDRS.append(addr)
29
30
31class AddrReceiver(P2PInterface):
32    addrv2_received_and_checked = False
33
34    def __init__(self):
35        super().__init__(support_addrv2 = True)
36
37    def on_addrv2(self, message):
38        for addr in message.addrs:
39            assert_equal(addr.nServices, 9)
40            assert addr.ip.startswith('123.123.123.')
41            assert (8333 <= addr.port < 8343)
42        self.addrv2_received_and_checked = True
43
44    def wait_for_addrv2(self):
45        self.wait_until(lambda: "addrv2" in self.last_message)
46
47
48class AddrTest(BitcoinTestFramework):
49    def set_test_params(self):
50        self.setup_clean_chain = True
51        self.num_nodes = 1
52
53    def run_test(self):
54        self.log.info('Create connection that sends addrv2 messages')
55        addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
56        msg = msg_addrv2()
57
58        self.log.info('Send too-large addrv2 message')
59        msg.addrs = ADDRS * 101
60        with self.nodes[0].assert_debug_log(['addrv2 message size = 1010']):
61            addr_source.send_and_ping(msg)
62
63        self.log.info('Check that addrv2 message content is relayed and added to addrman')
64        addr_receiver = self.nodes[0].add_p2p_connection(AddrReceiver())
65        msg.addrs = ADDRS
66        with self.nodes[0].assert_debug_log([
67                'Added 10 addresses from 127.0.0.1: 0 tried',
68                'received: addrv2 (131 bytes) peer=0',
69                'sending addrv2 (131 bytes) peer=1',
70        ]):
71            addr_source.send_and_ping(msg)
72            self.nodes[0].setmocktime(int(time.time()) + 30 * 60)
73            addr_receiver.wait_for_addrv2()
74
75        assert addr_receiver.addrv2_received_and_checked
76
77
78if __name__ == '__main__':
79    AddrTest().main()
80