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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 that the proper port is used for -externalip=
"""
from test_framework.test_framework import BitcoinTestFramework, SkipTest
from test_framework.util import assert_equal, p2p_port
# We need to bind to a routable address for this test to exercise the relevant code.
# To set a routable address on the machine use:
# Linux:
# ifconfig lo:0 1.1.1.1/32 up # to set up
# ifconfig lo:0 down # to remove it, after the test
# FreeBSD:
# ifconfig lo0 1.1.1.1/32 alias # to set up
# ifconfig lo0 1.1.1.1 -alias # to remove it, after the test
ADDR = '1.1.1.1'
# array of tuples [arguments, expected port in localaddresses]
EXPECTED = [
[['-externalip=2.2.2.2', '-port=30001'], 30001],
[['-externalip=2.2.2.2', '-port=30002', f'-bind={ADDR}'], 30002],
[['-externalip=2.2.2.2', f'-bind={ADDR}'], 'default_p2p_port'],
[['-externalip=2.2.2.2', '-port=30003', f'-bind={ADDR}:30004'], 30004],
[['-externalip=2.2.2.2', f'-bind={ADDR}:30005'], 30005],
[['-externalip=2.2.2.2:30006', '-port=30007'], 30006],
[['-externalip=2.2.2.2:30008', '-port=30009', f'-bind={ADDR}'], 30008],
[['-externalip=2.2.2.2:30010', f'-bind={ADDR}'], 30010],
[['-externalip=2.2.2.2:30011', '-port=30012', f'-bind={ADDR}:30013'], 30011],
[['-externalip=2.2.2.2:30014', f'-bind={ADDR}:30015'], 30014],
[['-externalip=2.2.2.2', '-port=30016', f'-bind={ADDR}:30017',
f'-whitebind={ADDR}:30018'], 30017],
[['-externalip=2.2.2.2', '-port=30019',
f'-whitebind={ADDR}:30020'], 30020],
]
class BindPortExternalIPTest(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.num_nodes = len(EXPECTED)
self.extra_args = list(map(lambda e: e[0], EXPECTED))
def add_options(self, parser):
parser.add_argument(
"--ihave1111", action='store_true', dest="ihave1111",
help=f"Run the test, assuming {ADDR} is configured on the machine",
default=False)
def skip_test_if_missing_module(self):
if not self.options.ihave1111:
raise SkipTest(
f"To run this test make sure that {ADDR} (a routable address) is assigned "
"to one of the interfaces on this machine and rerun with --ihave1111")
def run_test(self):
self.log.info("Test the proper port is used for -externalip=")
for i in range(len(EXPECTED)):
expected_port = EXPECTED[i][1]
if expected_port == 'default_p2p_port':
expected_port = p2p_port(i)
found = False
for local in self.nodes[i].getnetworkinfo()['localaddresses']:
if local['address'] == '2.2.2.2':
assert_equal(local['port'], expected_port)
found = True
break
assert found
if __name__ == '__main__':
BindPortExternalIPTest(__file__).main()
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