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#!/usr/bin/env python3
# Copyright (c) 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 p2p addr-fetch connections
"""
import time
from test_framework.messages import (
CAddress,
msg_addr,
)
from test_framework.p2p import (
P2PInterface,
p2p_lock,
P2P_SERVICES,
)
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
ADDR = CAddress()
ADDR.time = int(time.time())
ADDR.nServices = P2P_SERVICES
ADDR.ip = "192.0.0.8"
ADDR.port = 18444
class P2PAddrFetch(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
def assert_getpeerinfo(self, *, peer_ids):
num_peers = len(peer_ids)
info = self.nodes[0].getpeerinfo()
assert_equal(len(info), num_peers)
for n in range(0, num_peers):
assert_equal(info[n]['id'], peer_ids[n])
assert_equal(info[n]['connection_type'], 'addr-fetch')
def run_test(self):
node = self.nodes[0]
self.log.info("Connect to an addr-fetch peer")
peer_id = 0
peer = node.add_outbound_p2p_connection(P2PInterface(), p2p_idx=peer_id, connection_type="addr-fetch")
self.assert_getpeerinfo(peer_ids=[peer_id])
self.log.info("Check that we send getaddr but don't try to sync headers with the addr-fetch peer")
peer.sync_send_with_ping()
with p2p_lock:
assert peer.message_count['getaddr'] == 1
assert peer.message_count['getheaders'] == 0
self.log.info("Check that answering the getaddr with a single address does not lead to disconnect")
# This prevents disconnecting on self-announcements
msg = msg_addr()
msg.addrs = [ADDR]
peer.send_and_ping(msg)
self.assert_getpeerinfo(peer_ids=[peer_id])
self.log.info("Check that answering with larger addr messages leads to disconnect")
msg.addrs = [ADDR] * 2
peer.send_message(msg)
peer.wait_for_disconnect(timeout=5)
self.log.info("Check timeout for addr-fetch peer that does not send addrs")
peer_id = 1
peer = node.add_outbound_p2p_connection(P2PInterface(), p2p_idx=peer_id, connection_type="addr-fetch")
time_now = int(time.time())
self.assert_getpeerinfo(peer_ids=[peer_id])
# Expect addr-fetch peer connection to be maintained up to 5 minutes.
node.setmocktime(time_now + 295)
self.assert_getpeerinfo(peer_ids=[peer_id])
# Expect addr-fetch peer connection to be disconnected after 5 minutes.
node.setmocktime(time_now + 301)
peer.wait_for_disconnect(timeout=5)
self.assert_getpeerinfo(peer_ids=[])
if __name__ == '__main__':
P2PAddrFetch().main()
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