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1fae0c2bbb
fa7a711a30b707cbdee4435dd0a956bffb7aaccb test: Fix out-of-range port collisions (MacroFake) Pull request description: Otherwise the test will fail if two tests running in parallel use the same port. See https://github.com/bitcoin/bitcoin/pull/25096#discussion_r892558783 and https://github.com/bitcoin/bitcoin/pull/25312 ACKs for top commit: dergoegge: ACK fa7a711a30b707cbdee4435dd0a956bffb7aaccb - This gets rid of some rather arbitrary choices for ports in some of our functional tests that can cause port collisions across test runs, resulting in intermittent failures. Tree-SHA512: ac73da8a498230b992ab12e1ee3c4ff3d868cd63c00d2c71537d156cb7c8f8be8598ec574646b17c5a44ae3ac5bb54bf29d300f054a36cec6f6ce8054a0da0a4
126 lines
5.6 KiB
Python
Executable File
126 lines
5.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test addr response caching"""
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from test_framework.messages import msg_getaddr
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from test_framework.p2p import (
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P2PInterface,
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p2p_lock
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)
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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p2p_port,
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)
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# As defined in net_processing.
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MAX_ADDR_TO_SEND = 1000
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MAX_PCT_ADDR_TO_SEND = 23
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class AddrReceiver(P2PInterface):
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def __init__(self):
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super().__init__()
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self.received_addrs = None
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def get_received_addrs(self):
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with p2p_lock:
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return self.received_addrs
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def on_addr(self, message):
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self.received_addrs = []
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for addr in message.addrs:
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self.received_addrs.append(addr.ip)
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def addr_received(self):
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return self.received_addrs is not None
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class AddrTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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# Use some of the remaining p2p ports for the onion binds.
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self.onion_port1 = p2p_port(self.num_nodes)
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self.onion_port2 = p2p_port(self.num_nodes + 1)
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self.extra_args = [
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[f"-bind=127.0.0.1:{self.onion_port1}=onion", f"-bind=127.0.0.1:{self.onion_port2}=onion"],
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]
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def run_test(self):
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self.log.info('Fill peer AddrMan with a lot of records')
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for i in range(10000):
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first_octet = i >> 8
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second_octet = i % 256
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a = "{}.{}.1.1".format(first_octet, second_octet)
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self.nodes[0].addpeeraddress(a, 9999)
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# Need to make sure we hit MAX_ADDR_TO_SEND records in the addr response later because
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# only a fraction of all known addresses can be cached and returned.
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assert(len(self.nodes[0].getnodeaddresses(0)) > int(MAX_ADDR_TO_SEND / (MAX_PCT_ADDR_TO_SEND / 100)))
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last_response_on_local_bind = None
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last_response_on_onion_bind1 = None
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last_response_on_onion_bind2 = None
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self.log.info('Send many addr requests within short time to receive same response')
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N = 5
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cur_mock_time = self.mocktime
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for i in range(N):
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addr_receiver_local = self.nodes[0].add_p2p_connection(AddrReceiver())
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addr_receiver_local.send_and_ping(msg_getaddr())
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addr_receiver_onion1 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port1)
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addr_receiver_onion1.send_and_ping(msg_getaddr())
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addr_receiver_onion2 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port2)
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addr_receiver_onion2.send_and_ping(msg_getaddr())
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# Trigger response
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cur_mock_time += 5 * 60
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self.nodes[0].setmocktime(cur_mock_time)
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addr_receiver_local.wait_until(addr_receiver_local.addr_received)
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addr_receiver_onion1.wait_until(addr_receiver_onion1.addr_received)
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addr_receiver_onion2.wait_until(addr_receiver_onion2.addr_received)
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if i > 0:
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# Responses from different binds should be unique
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assert(last_response_on_local_bind != addr_receiver_onion1.get_received_addrs())
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assert(last_response_on_local_bind != addr_receiver_onion2.get_received_addrs())
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assert(last_response_on_onion_bind1 != addr_receiver_onion2.get_received_addrs())
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# Responses on from the same bind should be the same
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assert_equal(last_response_on_local_bind, addr_receiver_local.get_received_addrs())
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assert_equal(last_response_on_onion_bind1, addr_receiver_onion1.get_received_addrs())
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assert_equal(last_response_on_onion_bind2, addr_receiver_onion2.get_received_addrs())
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last_response_on_local_bind = addr_receiver_local.get_received_addrs()
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last_response_on_onion_bind1 = addr_receiver_onion1.get_received_addrs()
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last_response_on_onion_bind2 = addr_receiver_onion2.get_received_addrs()
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for response in [last_response_on_local_bind, last_response_on_onion_bind1, last_response_on_onion_bind2]:
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assert_equal(len(response), MAX_ADDR_TO_SEND)
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cur_mock_time += 3 * 24 * 60 * 60
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self.nodes[0].setmocktime(cur_mock_time)
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self.log.info('After time passed, see a new response to addr request')
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addr_receiver_local = self.nodes[0].add_p2p_connection(AddrReceiver())
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addr_receiver_local.send_and_ping(msg_getaddr())
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addr_receiver_onion1 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port1)
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addr_receiver_onion1.send_and_ping(msg_getaddr())
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addr_receiver_onion2 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port2)
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addr_receiver_onion2.send_and_ping(msg_getaddr())
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# Trigger response
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cur_mock_time += 5 * 60
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self.nodes[0].setmocktime(cur_mock_time)
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addr_receiver_local.wait_until(addr_receiver_local.addr_received)
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addr_receiver_onion1.wait_until(addr_receiver_onion1.addr_received)
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addr_receiver_onion2.wait_until(addr_receiver_onion2.addr_received)
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# new response is different
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assert(set(last_response_on_local_bind) != set(addr_receiver_local.get_received_addrs()))
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assert(set(last_response_on_onion_bind1) != set(addr_receiver_onion1.get_received_addrs()))
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assert(set(last_response_on_onion_bind2) != set(addr_receiver_onion2.get_received_addrs()))
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if __name__ == '__main__':
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AddrTest().main()
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