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bitcoin/test/functional/feature_bind_port_discover.py

79 lines
3.2 KiB

#!/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 that -discover does not add all interfaces' addresses if we listen on only some of them
"""
from test_framework.test_framework import BitcoinTestFramework, SkipTest
from test_framework.util import assert_equal
# We need to bind to a routable address for this test to exercise the relevant code
# and also must have another routable address on another interface which must not
# be named "lo" or "lo0".
# To set these routable addresses on the machine, use:
# Linux:
# ifconfig lo:0 1.1.1.1/32 up && ifconfig lo:1 2.2.2.2/32 up # to set up
# ifconfig lo:0 down && ifconfig lo:1 down # to remove it, after the test
# FreeBSD:
# ifconfig em0 1.1.1.1/32 alias && ifconfig wlan0 2.2.2.2/32 alias # to set up
# ifconfig em0 1.1.1.1 -alias && ifconfig wlan0 2.2.2.2 -alias # to remove it, after the test
ADDR1 = '1.1.1.1'
ADDR2 = '2.2.2.2'
BIND_PORT = 31001
class BindPortDiscoverTest(BitcoinTestFramework):
def set_test_params(self):
# Avoid any -bind= on the command line. Force the framework to avoid adding -bind=127.0.0.1.
self.setup_clean_chain = True
self.bind_to_localhost_only = False
self.extra_args = [
['-discover', f'-port={BIND_PORT}'], # bind on any
['-discover', f'-bind={ADDR1}:{BIND_PORT}'],
]
self.num_nodes = len(self.extra_args)
def add_options(self, parser):
parser.add_argument(
"--ihave1111and2222", action='store_true', dest="ihave1111and2222",
help=f"Run the test, assuming {ADDR1} and {ADDR2} are configured on the machine",
default=False)
def skip_test_if_missing_module(self):
if not self.options.ihave1111and2222:
raise SkipTest(
f"To run this test make sure that {ADDR1} and {ADDR2} (routable addresses) are "
"assigned to the interfaces on this machine and rerun with --ihave1111and2222")
def run_test(self):
self.log.info(
"Test that if -bind= is not passed then all addresses are "
"added to localaddresses")
found_addr1 = False
found_addr2 = False
for local in self.nodes[0].getnetworkinfo()['localaddresses']:
if local['address'] == ADDR1:
found_addr1 = True
assert_equal(local['port'], BIND_PORT)
if local['address'] == ADDR2:
found_addr2 = True
assert_equal(local['port'], BIND_PORT)
assert found_addr1
assert found_addr2
self.log.info(
"Test that if -bind= is passed then only that address is "
"added to localaddresses")
found_addr1 = False
for local in self.nodes[1].getnetworkinfo()['localaddresses']:
if local['address'] == ADDR1:
found_addr1 = True
assert_equal(local['port'], BIND_PORT)
assert local['address'] != ADDR2
assert found_addr1
if __name__ == '__main__':
BindPortDiscoverTest().main()