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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// Copyright (c) 2011-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 <bench/bench.h>
6#include <consensus/amount.h>
7#include <kernel/cs_main.h>
8#include <policy/policy.h>
9#include <primitives/transaction.h>
10#include <script/script.h>
11#include <sync.h>
12#include <test/util/setup_common.h>
13#include <test/util/txmempool.h>
14#include <txmempool.h>
15#include <util/check.h>
16
17#include <cstdint>
18#include <memory>
19#include <vector>
20
21
22static void AddTx(const CTransactionRef& tx, const CAmount& nFee, CTxMemPool& pool) EXCLUSIVE_LOCKS_REQUIRED(cs_main, pool.cs)
23{
24    int64_t nTime = 0;
25    unsigned int nHeight = 1;
26    uint64_t sequence = 0;
27    bool spendsCoinbase = false;
28    unsigned int sigOpCost = 4;
29    LockPoints lp;
30    TryAddToMempool(pool, CTxMemPoolEntry(
31        tx, nFee, nTime, nHeight, sequence,
32        spendsCoinbase, sigOpCost, lp));
33}
34
35// Right now this is only testing eviction performance in an extremely small
36// mempool. Code needs to be written to generate a much wider variety of
37// unique transactions for a more meaningful performance measurement.
38static void MempoolEviction(benchmark::Bench& bench)
39{
40    const auto testing_setup = MakeNoLogFileContext<const TestingSetup>();
41
42    CMutableTransaction tx1 = CMutableTransaction();
43    tx1.vin.resize(1);
44    tx1.vin[0].scriptSig = CScript() << OP_1;
45    tx1.vin[0].scriptWitness.stack.push_back({1});
46    tx1.vout.resize(1);
47    tx1.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
48    tx1.vout[0].nValue = 10 * COIN;
49
50    CMutableTransaction tx2 = CMutableTransaction();
51    tx2.vin.resize(1);
52    tx2.vin[0].scriptSig = CScript() << OP_2;
53    tx2.vin[0].scriptWitness.stack.push_back({2});
54    tx2.vout.resize(1);
55    tx2.vout[0].scriptPubKey = CScript() << OP_2 << OP_EQUAL;
56    tx2.vout[0].nValue = 10 * COIN;
57
58    CMutableTransaction tx3 = CMutableTransaction();
59    tx3.vin.resize(1);
60    tx3.vin[0].prevout = COutPoint(tx2.GetHash(), 0);
61    tx3.vin[0].scriptSig = CScript() << OP_2;
62    tx3.vin[0].scriptWitness.stack.push_back({3});
63    tx3.vout.resize(1);
64    tx3.vout[0].scriptPubKey = CScript() << OP_3 << OP_EQUAL;
65    tx3.vout[0].nValue = 10 * COIN;
66
67    CMutableTransaction tx4 = CMutableTransaction();
68    tx4.vin.resize(2);
69    tx4.vin[0].prevout.SetNull();
70    tx4.vin[0].scriptSig = CScript() << OP_4;
71    tx4.vin[0].scriptWitness.stack.push_back({4});
72    tx4.vin[1].prevout.SetNull();
73    tx4.vin[1].scriptSig = CScript() << OP_4;
74    tx4.vin[1].scriptWitness.stack.push_back({4});
75    tx4.vout.resize(2);
76    tx4.vout[0].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
77    tx4.vout[0].nValue = 10 * COIN;
78    tx4.vout[1].scriptPubKey = CScript() << OP_4 << OP_EQUAL;
79    tx4.vout[1].nValue = 10 * COIN;
80
81    CMutableTransaction tx5 = CMutableTransaction();
82    tx5.vin.resize(2);
83    tx5.vin[0].prevout = COutPoint(tx4.GetHash(), 0);
84    tx5.vin[0].scriptSig = CScript() << OP_4;
85    tx5.vin[0].scriptWitness.stack.push_back({4});
86    tx5.vin[1].prevout.SetNull();
87    tx5.vin[1].scriptSig = CScript() << OP_5;
88    tx5.vin[1].scriptWitness.stack.push_back({5});
89    tx5.vout.resize(2);
90    tx5.vout[0].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
91    tx5.vout[0].nValue = 10 * COIN;
92    tx5.vout[1].scriptPubKey = CScript() << OP_5 << OP_EQUAL;
93    tx5.vout[1].nValue = 10 * COIN;
94
95    CMutableTransaction tx6 = CMutableTransaction();
96    tx6.vin.resize(2);
97    tx6.vin[0].prevout = COutPoint(tx4.GetHash(), 1);
98    tx6.vin[0].scriptSig = CScript() << OP_4;
99    tx6.vin[0].scriptWitness.stack.push_back({4});
100    tx6.vin[1].prevout.SetNull();
101    tx6.vin[1].scriptSig = CScript() << OP_6;
102    tx6.vin[1].scriptWitness.stack.push_back({6});
103    tx6.vout.resize(2);
104    tx6.vout[0].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
105    tx6.vout[0].nValue = 10 * COIN;
106    tx6.vout[1].scriptPubKey = CScript() << OP_6 << OP_EQUAL;
107    tx6.vout[1].nValue = 10 * COIN;
108
109    CMutableTransaction tx7 = CMutableTransaction();
110    tx7.vin.resize(2);
111    tx7.vin[0].prevout = COutPoint(tx5.GetHash(), 0);
112    tx7.vin[0].scriptSig = CScript() << OP_5;
113    tx7.vin[0].scriptWitness.stack.push_back({5});
114    tx7.vin[1].prevout = COutPoint(tx6.GetHash(), 0);
115    tx7.vin[1].scriptSig = CScript() << OP_6;
116    tx7.vin[1].scriptWitness.stack.push_back({6});
117    tx7.vout.resize(2);
118    tx7.vout[0].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
119    tx7.vout[0].nValue = 10 * COIN;
120    tx7.vout[1].scriptPubKey = CScript() << OP_7 << OP_EQUAL;
121    tx7.vout[1].nValue = 10 * COIN;
122
123    CTxMemPool& pool = *Assert(testing_setup->m_node.mempool);
124    LOCK2(cs_main, pool.cs);
125    // Create transaction references outside the "hot loop"
126    const CTransactionRef tx1_r{MakeTransactionRef(tx1)};
127    const CTransactionRef tx2_r{MakeTransactionRef(tx2)};
128    const CTransactionRef tx3_r{MakeTransactionRef(tx3)};
129    const CTransactionRef tx4_r{MakeTransactionRef(tx4)};
130    const CTransactionRef tx5_r{MakeTransactionRef(tx5)};
131    const CTransactionRef tx6_r{MakeTransactionRef(tx6)};
132    const CTransactionRef tx7_r{MakeTransactionRef(tx7)};
133
134    bench.run([&]() NO_THREAD_SAFETY_ANALYSIS {
135        AddTx(tx1_r, 10000LL, pool);
136        AddTx(tx2_r, 5000LL, pool);
137        AddTx(tx3_r, 20000LL, pool);
138        AddTx(tx4_r, 7000LL, pool);
139        AddTx(tx5_r, 1000LL, pool);
140        AddTx(tx6_r, 1100LL, pool);
141        AddTx(tx7_r, 9000LL, pool);
142        pool.TrimToSize(pool.DynamicMemoryUsage() * 3 / 4);
143        pool.TrimToSize(GetVirtualTransactionSize(*tx1_r));
144    });
145}
146
147BENCHMARK(MempoolEviction);
148

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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