1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
#!/usr/bin/env python3
# Copyright (c) 2020 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 addr relay
"""
from test_framework.messages import (
CAddress,
NODE_NETWORK,
NODE_WITNESS,
msg_addr,
)
from test_framework.p2p import P2PInterface
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
)
import time
class AddrReceiver(P2PInterface):
num_ipv4_received = 0
def on_addr(self, message):
for addr in message.addrs:
assert_equal(addr.nServices, 9)
if not 8333 <= addr.port < 8343:
raise AssertionError("Invalid addr.port of {} (8333-8342 expected)".format(addr.port))
assert addr.ip.startswith('123.123.123.')
self.num_ipv4_received += 1
class AddrTest(BitcoinTestFramework):
counter = 0
mocktime = int(time.time())
def set_test_params(self):
self.num_nodes = 1
def run_test(self):
self.oversized_addr_test()
self.relay_tests()
def setup_addr_msg(self, num):
addrs = []
for i in range(num):
addr = CAddress()
addr.time = self.mocktime + i
addr.nServices = NODE_NETWORK | NODE_WITNESS
addr.ip = f"123.123.123.{self.counter % 256}"
addr.port = 8333 + i
addrs.append(addr)
self.counter += 1
msg = msg_addr()
msg.addrs = addrs
return msg
def oversized_addr_test(self):
self.log.info('Send an addr message that is too large')
addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
msg = self.setup_addr_msg(1010)
with self.nodes[0].assert_debug_log(['addr message size = 1010']):
addr_source.send_and_ping(msg)
self.nodes[0].disconnect_p2ps()
def relay_tests(self):
self.log.info('Check that addr message content is relayed and added to addrman')
addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
num_receivers = 7
receivers = []
for _ in range(num_receivers):
receivers.append(self.nodes[0].add_p2p_connection(AddrReceiver()))
# Keep this with length <= 10. Addresses from larger messages are not
# relayed.
num_ipv4_addrs = 10
msg = self.setup_addr_msg(num_ipv4_addrs)
with self.nodes[0].assert_debug_log(
[
'Added {} addresses from 127.0.0.1: 0 tried'.format(num_ipv4_addrs),
'received: addr (301 bytes) peer=1',
]
):
addr_source.send_and_ping(msg)
self.mocktime += 30 * 60
self.nodes[0].setmocktime(self.mocktime)
for receiver in receivers:
receiver.sync_with_ping()
total_ipv4_received = sum(r.num_ipv4_received for r in receivers)
# Every IPv4 address must be relayed to two peers, other than the
# originating node (addr_source).
ipv4_branching_factor = 2
assert_equal(total_ipv4_received, num_ipv4_addrs * ipv4_branching_factor)
self.nodes[0].disconnect_p2ps()
if __name__ == '__main__':
AddrTest().main()
|
