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#!/usr/bin/env python3
# Copyright (c) 2020-2021 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 addrv2 relay
"""
import time
from test_framework.messages import (
CAddress,
msg_addrv2,
)
from test_framework.p2p import (
P2PInterface,
P2P_SERVICES,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
I2P_ADDR = "c4gfnttsuwqomiygupdqqqyy5y5emnk5c73hrfvatri67prd7vyq.b32.i2p"
ONION_ADDR = "pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion"
ADDRS = []
for i in range(10):
addr = CAddress()
addr.time = int(time.time()) + i
addr.port = 8333 + i
addr.nServices = P2P_SERVICES
# Add one I2P and one onion V3 address at an arbitrary position.
if i == 5:
addr.net = addr.NET_I2P
addr.ip = I2P_ADDR
addr.port = 0
elif i == 8:
addr.net = addr.NET_TORV3
addr.ip = ONION_ADDR
else:
addr.ip = f"123.123.123.{i % 256}"
ADDRS.append(addr)
class AddrReceiver(P2PInterface):
addrv2_received_and_checked = False
def __init__(self):
super().__init__(support_addrv2 = True)
def on_addrv2(self, message):
expected_set = set((addr.ip, addr.port) for addr in ADDRS)
received_set = set((addr.ip, addr.port) for addr in message.addrs)
if expected_set == received_set:
self.addrv2_received_and_checked = True
def wait_for_addrv2(self):
self.wait_until(lambda: "addrv2" in self.last_message)
def calc_addrv2_msg_size(addrs):
size = 1 # vector length byte
for addr in addrs:
size += 4 # time
size += 1 # services, COMPACTSIZE(P2P_SERVICES)
size += 1 # network id
size += 1 # address length byte
size += addr.ADDRV2_ADDRESS_LENGTH[addr.net] # address
size += 2 # port
return size
class AddrTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
self.extra_args = [["-whitelist=addr@127.0.0.1"]]
def run_test(self):
self.log.info('Create connection that sends addrv2 messages')
addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
msg = msg_addrv2()
self.log.info('Send too-large addrv2 message')
msg.addrs = ADDRS * 101
with self.nodes[0].assert_debug_log(['addrv2 message size = 1010']):
addr_source.send_and_ping(msg)
self.log.info('Check that addrv2 message content is relayed and added to addrman')
addr_receiver = self.nodes[0].add_p2p_connection(AddrReceiver())
msg.addrs = ADDRS
msg_size = calc_addrv2_msg_size(ADDRS)
with self.nodes[0].assert_debug_log([
f'received: addrv2 ({msg_size} bytes) peer=0',
f'sending addrv2 ({msg_size} bytes) peer=1',
]):
addr_source.send_and_ping(msg)
self.nodes[0].setmocktime(int(time.time()) + 30 * 60)
addr_receiver.wait_for_addrv2()
assert addr_receiver.addrv2_received_and_checked
assert_equal(len(self.nodes[0].getnodeaddresses(count=0, network="i2p")), 0)
if __name__ == '__main__':
AddrTest().main()
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