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148 lines
6.1 KiB
Python
Executable File
148 lines
6.1 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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"""
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Test addr relay
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"""
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from test_framework.messages import (
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CAddress,
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NODE_NETWORK,
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NODE_WITNESS,
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msg_addr,
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)
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from test_framework.p2p import P2PInterface
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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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assert_greater_than_or_equal,
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)
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import os
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import random
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import time
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ADDRS = []
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for i in range(10):
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addr = CAddress()
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addr.time = int(time.time()) + i
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addr.nServices = NODE_NETWORK | NODE_WITNESS
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addr.ip = "123.123.123.{}".format(i % 256)
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addr.port = 8333 + i
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ADDRS.append(addr)
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class AddrReceiver(P2PInterface):
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def on_addr(self, message):
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for addr in message.addrs:
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assert_equal(addr.nServices, 9)
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assert addr.ip.startswith('123.123.123.')
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assert (8333 <= addr.port < 8343)
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class AddrTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = False
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self.num_nodes = 1
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self.extra_args = [["-whitelist=addr@127.0.0.1"]]
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def setup_rand_addr_msg(self, num):
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addrs = []
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for i in range(num):
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addr = CAddress()
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addr.time = self.mocktime + i
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addr.nServices = NODE_NETWORK | NODE_WITNESS
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addr.ip = "%i.%i.%i.%i" % (random.randrange(128,169), random.randrange(1,255), random.randrange(1,255), random.randrange(1,255))
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addr.port = 8333
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addrs.append(addr)
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msg = msg_addr()
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msg.addrs = addrs
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return msg
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def run_test(self):
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self.log.info('Create connection that sends addr messages')
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addr_source = self.nodes[0].add_p2p_connection(P2PInterface())
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msg = msg_addr()
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self.log.info('Send too-large addr message')
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msg.addrs = ADDRS * 101
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with self.nodes[0].assert_debug_log(['addr message size = 1010']):
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addr_source.send_and_ping(msg)
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self.log.info('Check that addr message content is relayed and added to addrman')
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addr_receiver = self.nodes[0].add_p2p_connection(AddrReceiver())
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msg.addrs = ADDRS
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with self.nodes[0].assert_debug_log([
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'Added 10 addresses from 127.0.0.1: 0 tried',
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'received: addr (301 bytes) peer=0',
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'sending addr (301 bytes) peer=1',
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]):
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addr_source.send_and_ping(msg)
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self.nodes[0].setmocktime(int(time.time()) + 30 * 60)
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addr_receiver.sync_with_ping()
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# The following test is backported. The original test also verified behavior for
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# outbound peers, but lacking add_outbound_p2p_connection, those tests have been
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# removed here.
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for contype, tokens, no_relay in [("inbound", 1, False)]:
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self.log.info('Test rate limiting of addr processing for %s peers' % contype)
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self.stop_node(0)
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os.remove(os.path.join(self.nodes[0].datadir, "regtest", "peers.dat"))
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self.start_node(0, [])
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self.mocktime = int(time.time())
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self.nodes[0].setmocktime(self.mocktime)
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peer = self.nodes[0].add_p2p_connection(AddrReceiver())
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# Check that we start off with empty addrman
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addr_count_0 = len(self.nodes[0].getnodeaddresses(0))
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assert_equal(addr_count_0, 0)
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# Send 600 addresses. For all but the block-relay-only peer this should result in at least 1 address.
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peer.send_and_ping(self.setup_rand_addr_msg(600))
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addr_count_1 = len(self.nodes[0].getnodeaddresses(0))
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assert_greater_than_or_equal(tokens, addr_count_1)
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assert_greater_than_or_equal(addr_count_0 + 600, addr_count_1)
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assert_equal(addr_count_1 > addr_count_0, tokens > 0)
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# Send 600 more addresses. For the outbound-full-relay peer (which we send a GETADDR, and thus will
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# process up to 1001 incoming addresses), this means more entries will appear.
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peer.send_and_ping(self.setup_rand_addr_msg(600))
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addr_count_2 = len(self.nodes[0].getnodeaddresses(0))
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assert_greater_than_or_equal(tokens, addr_count_2)
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assert_greater_than_or_equal(addr_count_1 + 600, addr_count_2)
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assert_equal(addr_count_2 > addr_count_1, tokens > 600)
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# Send 10 more. As we reached the processing limit for all nodes, this should have no effect.
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peer.send_and_ping(self.setup_rand_addr_msg(10))
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addr_count_3 = len(self.nodes[0].getnodeaddresses(0))
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assert_greater_than_or_equal(tokens, addr_count_3)
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assert_equal(addr_count_2, addr_count_3)
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# Advance the time by 100 seconds, permitting the processing of 10 more addresses. Send 200,
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# but verify that no more than 10 are processed.
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self.mocktime += 100
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self.nodes[0].setmocktime(self.mocktime)
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new_tokens = 0 if no_relay else 10
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tokens += new_tokens
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peer.send_and_ping(self.setup_rand_addr_msg(200))
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addr_count_4 = len(self.nodes[0].getnodeaddresses(0))
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assert_greater_than_or_equal(tokens, addr_count_4)
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assert_greater_than_or_equal(addr_count_3 + new_tokens, addr_count_4)
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# Advance the time by 1000 seconds, permitting the processing of 100 more addresses. Send 200,
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# but verify that no more than 100 are processed (and at least some).
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self.mocktime += 1000
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self.nodes[0].setmocktime(self.mocktime)
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new_tokens = 0 if no_relay else 100
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tokens += new_tokens
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peer.send_and_ping(self.setup_rand_addr_msg(200))
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addr_count_5 = len(self.nodes[0].getnodeaddresses(0))
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assert_greater_than_or_equal(tokens, addr_count_5)
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assert_greater_than_or_equal(addr_count_4 + new_tokens, addr_count_5)
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assert_equal(addr_count_5 > addr_count_4, not no_relay)
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self.nodes[0].disconnect_p2ps()
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if __name__ == '__main__':
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AddrTest().main()
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