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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

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1#!/usr/bin/env python3
2# Copyright (c) 2020-present The Bitcoin Core developers
3# Distributed under the MIT software license, see the accompanying
4# file COPYING or http://www.opensource.org/licenses/mit-license.php.
5"""Test addr response caching"""
6
7import time
8
9from test_framework.p2p import (
10    P2PInterface,
11    p2p_lock
12)
13from test_framework.test_framework import BitcoinTestFramework
14from test_framework.util import (
15    assert_not_equal,
16    assert_equal,
17    p2p_port,
18)
19
20# As defined in net_processing.
21MAX_ADDR_TO_SEND = 1000
22MAX_PCT_ADDR_TO_SEND = 23
23
24
25class AddrReceiver(P2PInterface):
26
27    def __init__(self):
28        super().__init__()
29        self.received_addrs = None
30
31    def get_received_addrs(self):
32        with p2p_lock:
33            return self.received_addrs
34
35    def on_addr(self, message):
36        self.received_addrs = []
37        for addr in message.addrs:
38            self.received_addrs.append(addr.ip)
39
40    def addr_received(self):
41        return self.received_addrs is not None
42
43
44class AddrTest(BitcoinTestFramework):
45    def set_test_params(self):
46        self.num_nodes = 1
47        # Use some of the remaining p2p ports for the onion binds.
48        self.onion_port1 = p2p_port(self.num_nodes)
49        self.onion_port2 = p2p_port(self.num_nodes + 1)
50        self.extra_args = [
51            [f"-bind=127.0.0.1:{self.onion_port1}=onion", f"-bind=127.0.0.1:{self.onion_port2}=onion"],
52        ]
53
54    def run_test(self):
55        self.log.info('Fill peer AddrMan with a lot of records')
56        for i in range(10000):
57            first_octet = i >> 8
58            second_octet = i % 256
59            a = "{}.{}.1.1".format(first_octet, second_octet)
60            self.nodes[0].addpeeraddress(a, 8333)
61
62        # Need to make sure we hit MAX_ADDR_TO_SEND records in the addr response later because
63        # only a fraction of all known addresses can be cached and returned.
64        assert len(self.nodes[0].getnodeaddresses(0)) > int(MAX_ADDR_TO_SEND / (MAX_PCT_ADDR_TO_SEND / 100))
65
66        last_response_on_local_bind = None
67        last_response_on_onion_bind1 = None
68        last_response_on_onion_bind2 = None
69        self.log.info('Send many addr requests within short time to receive same response')
70        N = 5
71        cur_mock_time = int(time.time())
72        for i in range(N):
73            addr_receiver_local = self.nodes[0].add_p2p_connection(AddrReceiver())
74            addr_receiver_onion1 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port1)
75            addr_receiver_onion2 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port2)
76
77            # Trigger response
78            cur_mock_time += 5 * 60
79            self.nodes[0].setmocktime(cur_mock_time)
80            addr_receiver_local.wait_until(addr_receiver_local.addr_received)
81            addr_receiver_onion1.wait_until(addr_receiver_onion1.addr_received)
82            addr_receiver_onion2.wait_until(addr_receiver_onion2.addr_received)
83
84            if i > 0:
85                # Responses from different binds should be unique
86                assert_not_equal(last_response_on_local_bind, addr_receiver_onion1.get_received_addrs())
87                assert_not_equal(last_response_on_local_bind, addr_receiver_onion2.get_received_addrs())
88                assert_not_equal(last_response_on_onion_bind1, addr_receiver_onion2.get_received_addrs())
89                # Responses on from the same bind should be the same
90                assert_equal(last_response_on_local_bind, addr_receiver_local.get_received_addrs())
91                assert_equal(last_response_on_onion_bind1, addr_receiver_onion1.get_received_addrs())
92                assert_equal(last_response_on_onion_bind2, addr_receiver_onion2.get_received_addrs())
93
94            last_response_on_local_bind = addr_receiver_local.get_received_addrs()
95            last_response_on_onion_bind1 = addr_receiver_onion1.get_received_addrs()
96            last_response_on_onion_bind2 = addr_receiver_onion2.get_received_addrs()
97
98            for response in [last_response_on_local_bind, last_response_on_onion_bind1, last_response_on_onion_bind2]:
99                assert_equal(len(response), MAX_ADDR_TO_SEND)
100
101        cur_mock_time += 3 * 24 * 60 * 60
102        self.nodes[0].setmocktime(cur_mock_time)
103
104        self.log.info('After time passed, see a new response to addr request')
105        addr_receiver_local = self.nodes[0].add_p2p_connection(AddrReceiver())
106        addr_receiver_onion1 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port1)
107        addr_receiver_onion2 = self.nodes[0].add_p2p_connection(AddrReceiver(), dstport=self.onion_port2)
108
109        # Trigger response
110        cur_mock_time += 5 * 60
111        self.nodes[0].setmocktime(cur_mock_time)
112        addr_receiver_local.wait_until(addr_receiver_local.addr_received)
113        addr_receiver_onion1.wait_until(addr_receiver_onion1.addr_received)
114        addr_receiver_onion2.wait_until(addr_receiver_onion2.addr_received)
115
116        # new response is different
117        assert_not_equal(set(last_response_on_local_bind), set(addr_receiver_local.get_received_addrs()))
118        assert_not_equal(set(last_response_on_onion_bind1), set(addr_receiver_onion1.get_received_addrs()))
119        assert_not_equal(set(last_response_on_onion_bind2), set(addr_receiver_onion2.get_received_addrs()))
120
121
122if __name__ == '__main__':
123    AddrTest(__file__).main()
124

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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