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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.

5,137 bytes · SHA-256 e7a47b78303488b6… · View upstream ↗

1// Copyright (c) 2020-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <addrman.h>
6#include <bench/bench.h>
7#include <compat/compat.h>
8#include <netaddress.h>
9#include <netbase.h>
10#include <netgroup.h>
11#include <protocol.h>
12#include <random.h>
13#include <uint256.h>
14#include <util/check.h>
15#include <util/time.h>
16
17#include <cstring>
18#include <optional>
19#include <span>
20#include <vector>
21
22/* A "source" is a source address from which we have received a bunch of other addresses. */
23
24static constexpr size_t NUM_SOURCES = 64;
25static constexpr size_t NUM_ADDRESSES_PER_SOURCE = 256;
26
27static auto EMPTY_NETGROUPMAN{NetGroupManager::NoAsmap()};
28static constexpr uint32_t ADDRMAN_CONSISTENCY_CHECK_RATIO{0};
29
30static std::vector<CAddress> g_sources;
31static std::vector<std::vector<CAddress>> g_addresses;
32
33static void CreateAddresses()
34{
35    if (g_sources.size() > 0) { // already created
36        return;
37    }
38
39    FastRandomContext rng(uint256(std::vector<unsigned char>(32, 123)));
40
41    auto randAddr = [&rng]() {
42        in6_addr addr;
43        memcpy(&addr, rng.randbytes(sizeof(addr)).data(), sizeof(addr));
44
45        uint16_t port;
46        memcpy(&port, rng.randbytes(sizeof(port)).data(), sizeof(port));
47        if (port == 0) {
48            port = 1;
49        }
50
51        CAddress ret(CService(addr, port), NODE_NETWORK);
52
53        ret.nTime = Now<NodeSeconds>();
54
55        return ret;
56    };
57
58    for (size_t source_i = 0; source_i < NUM_SOURCES; ++source_i) {
59        g_sources.emplace_back(randAddr());
60        g_addresses.emplace_back();
61        for (size_t addr_i = 0; addr_i < NUM_ADDRESSES_PER_SOURCE; ++addr_i) {
62            g_addresses[source_i].emplace_back(randAddr());
63        }
64    }
65}
66
67static void AddAddressesToAddrMan(AddrMan& addrman)
68{
69    for (size_t source_i = 0; source_i < NUM_SOURCES; ++source_i) {
70        addrman.Add(g_addresses[source_i], g_sources[source_i]);
71    }
72}
73
74static void FillAddrMan(AddrMan& addrman)
75{
76    CreateAddresses();
77
78    AddAddressesToAddrMan(addrman);
79}
80
81/* Benchmarks */
82
83static void AddrManAdd(benchmark::Bench& bench)
84{
85    CreateAddresses();
86
87    bench.run([&] {
88        AddrMan addrman{EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO};
89        AddAddressesToAddrMan(addrman);
90    });
91}
92
93static void AddrManSelect(benchmark::Bench& bench)
94{
95    AddrMan addrman{EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO};
96
97    FillAddrMan(addrman);
98
99    bench.run([&] {
100        const auto& address = addrman.Select();
101        assert(address.first.GetPort() > 0);
102    });
103}
104
105// The worst case performance of the Select() function is when there is only
106// one address on the table, because it linearly searches every position of
107// several buckets before identifying the correct bucket
108static void AddrManSelectFromAlmostEmpty(benchmark::Bench& bench)
109{
110    AddrMan addrman{EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO};
111
112    // Add one address to the new table
113    CService addr = Lookup("250.3.1.1", 8333, false).value();
114    addrman.Add({CAddress(addr, NODE_NONE)}, addr);
115
116    bench.run([&] {
117        (void)addrman.Select();
118    });
119}
120
121static void AddrManSelectByNetwork(benchmark::Bench& bench)
122{
123    AddrMan addrman{EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO};
124
125    // add single I2P address to new table
126    CService i2p_service;
127    i2p_service.SetSpecial("udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p");
128    CAddress i2p_address(i2p_service, NODE_NONE);
129    i2p_address.nTime = Now<NodeSeconds>();
130    const CNetAddr source{LookupHost("252.2.2.2", false).value()};
131    addrman.Add({i2p_address}, source);
132
133    FillAddrMan(addrman);
134
135    bench.run([&] {
136        (void)addrman.Select(/*new_only=*/false, {NET_I2P});
137    });
138}
139
140static void AddrManGetAddr(benchmark::Bench& bench)
141{
142    AddrMan addrman{EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO};
143
144    FillAddrMan(addrman);
145
146    bench.run([&] {
147        const auto& addresses = addrman.GetAddr(/*max_addresses=*/2500, /*max_pct=*/23, /*network=*/std::nullopt);
148        assert(addresses.size() > 0);
149    });
150}
151
152static void AddrManAddThenGood(benchmark::Bench& bench)
153{
154    auto markSomeAsGood = [](AddrMan& addrman) {
155        for (size_t source_i = 0; source_i < NUM_SOURCES; ++source_i) {
156            for (size_t addr_i = 0; addr_i < NUM_ADDRESSES_PER_SOURCE; ++addr_i) {
157                addrman.Good(g_addresses[source_i][addr_i]);
158            }
159        }
160    };
161
162    CreateAddresses();
163
164    std::optional<AddrMan> addrman;
165    bench.setup([&] {
166            addrman.emplace(EMPTY_NETGROUPMAN, /*deterministic=*/false, ADDRMAN_CONSISTENCY_CHECK_RATIO);
167            AddAddressesToAddrMan(*addrman);
168        })
169        .run([&] { markSomeAsGood(*addrman); });
170}
171
172BENCHMARK(AddrManAdd);
173BENCHMARK(AddrManSelect);
174BENCHMARK(AddrManSelectFromAlmostEmpty);
175BENCHMARK(AddrManSelectByNetwork);
176BENCHMARK(AddrManGetAddr);
177BENCHMARK(AddrManAddThenGood);
178

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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