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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.

bitcoin / bitcoinstable

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▤ db_bench_sqlite3.cc

▤ db_bench_tree_db.cc

▤ arith_uint256.hGuide

▤ bitcoin-chainstate.cpp

▤ bitcoin-cli-res.rc

▤ bitcoin-cli.cppGuide

▤ bitcoin-res.rc

▤ bitcoin-tx-res.rc

▤ bitcoin-tx.cpp

▤ bitcoin-util-res.rc

▤ bitcoin-util.cpp

▤ bitcoin-wallet-res.rc

▤ blockencodings.cppGuide

▤ blockencodings.hGuide

▤ blockfilter.cppGuide

▤ blockfilter.hGuide

▤ chain.cppGuide

▤ chain.h

▤ chainparams.cppGuide

▤ chainparams.hGuide

▤ chainparamsbase.cppGuide

▤ chainparamsbase.hGuide

▤ chainparamsseeds.h

▤ checkqueue.hGuide

▤ clientversion.cppGuide

▤ clientversion.hGuide

▤ cluster_linearize.h

▤ CMakeLists.txt

▤ coins.cppGuide

▤ coins.hGuide

▤ compressor.cppGuide

▤ compressor.hGuide

▤ core_io.cpp

▤ core_io.hGuide

▤ core_memusage.hGuide

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▤ dbwrapper.hGuide

▤ deploymentinfo.cppGuide

▤ deploymentinfo.hGuide

▤ deploymentstatus.cppGuide

▤ deploymentstatus.hGuide

▤ dummywallet.cppGuide

▤ external_signer.cpp

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▤ merkleblock.cppGuide

▤ merkleblock.hGuide

▤ musig.cpp

▤ musig.hGuide

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▤ net_permissions.hGuide

▤ net_processing.cppGuide

▤ netaddress.cppGuide

▤ netmessagemaker.hGuide

▤ noui.cppGuide

▤ noui.hGuide

▤ outputtype.cppGuide

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▤ private_broadcast.h

▤ semaphore_grant.hGuide

▤ threadsafety.hGuide

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▤ validation.cppGuide

▤ validation.h

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▤ libbitcoinkernel.pc.in

bitcoin / src / leveldb / benchmarks / db_bench_sqlite3.cc

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22,673 bytes · SHA-256 d15ed2c7620e217b… · View upstream ↗

501    std::string end_trans_str = "END TRANSACTION;";
502
503    // Check for synchronous flag in options
504    std::string sync_stmt =
505        (write_sync) ? "PRAGMA synchronous = FULL" : "PRAGMA synchronous = OFF";
506    status = sqlite3_exec(db_, sync_stmt.c_str(), nullptr, nullptr, &err_msg);
507    ExecErrorCheck(status, err_msg);
508
509    // Preparing sqlite3 statements
510    status = sqlite3_prepare_v2(db_, replace_str.c_str(), -1, &replace_stmt,
511                                nullptr);
512    ErrorCheck(status);
513    status = sqlite3_prepare_v2(db_, begin_trans_str.c_str(), -1,
514                                &begin_trans_stmt, nullptr);
515    ErrorCheck(status);
516    status = sqlite3_prepare_v2(db_, end_trans_str.c_str(), -1, &end_trans_stmt,
517                                nullptr);
518    ErrorCheck(status);
519
520    bool transaction = (entries_per_batch > 1);
521    for (int i = 0; i < num_entries; i += entries_per_batch) {
522      // Begin write transaction
523      if (FLAGS_transaction && transaction) {
524        status = sqlite3_step(begin_trans_stmt);
525        StepErrorCheck(status);
526        status = sqlite3_reset(begin_trans_stmt);
527        ErrorCheck(status);
528      }
529
530      // Create and execute SQL statements
531      for (int j = 0; j < entries_per_batch; j++) {
532        const char* value = gen_.Generate(value_size).data();
533
534        // Create values for key-value pair
535        const int k =
536            (order == SEQUENTIAL) ? i + j : (rand_.Next() % num_entries);
537        char key[100];
538        snprintf(key, sizeof(key), "%016d", k);
539
540        // Bind KV values into replace_stmt
541        status = sqlite3_bind_blob(replace_stmt, 1, key, 16, SQLITE_STATIC);
542        ErrorCheck(status);
543        status = sqlite3_bind_blob(replace_stmt, 2, value, value_size,
544                                   SQLITE_STATIC);
545        ErrorCheck(status);
546
547        // Execute replace_stmt
548        bytes_ += value_size + strlen(key);
549        status = sqlite3_step(replace_stmt);
550        StepErrorCheck(status);
551
552        // Reset SQLite statement for another use
553        status = sqlite3_clear_bindings(replace_stmt);
554        ErrorCheck(status);
555        status = sqlite3_reset(replace_stmt);
556        ErrorCheck(status);
557
558        FinishedSingleOp();
559      }
560
561      // End write transaction
562      if (FLAGS_transaction && transaction) {
563        status = sqlite3_step(end_trans_stmt);
564        StepErrorCheck(status);
565        status = sqlite3_reset(end_trans_stmt);
566        ErrorCheck(status);
567      }
568    }
569
570    status = sqlite3_finalize(replace_stmt);
571    ErrorCheck(status);
572    status = sqlite3_finalize(begin_trans_stmt);
573    ErrorCheck(status);
574    status = sqlite3_finalize(end_trans_stmt);
575    ErrorCheck(status);
576  }
577
578  void Read(Order order, int entries_per_batch) {
579    int status;
580    sqlite3_stmt *read_stmt, *begin_trans_stmt, *end_trans_stmt;
581
582    std::string read_str = "SELECT * FROM test WHERE key = ?";
583    std::string begin_trans_str = "BEGIN TRANSACTION;";
584    std::string end_trans_str = "END TRANSACTION;";
585
586    // Preparing sqlite3 statements
587    status = sqlite3_prepare_v2(db_, begin_trans_str.c_str(), -1,
588                                &begin_trans_stmt, nullptr);
589    ErrorCheck(status);
590    status = sqlite3_prepare_v2(db_, end_trans_str.c_str(), -1, &end_trans_stmt,
591                                nullptr);
592    ErrorCheck(status);
593    status = sqlite3_prepare_v2(db_, read_str.c_str(), -1, &read_stmt, nullptr);
594    ErrorCheck(status);
595
596    bool transaction = (entries_per_batch > 1);
597    for (int i = 0; i < reads_; i += entries_per_batch) {
598      // Begin read transaction
599      if (FLAGS_transaction && transaction) {
600        status = sqlite3_step(begin_trans_stmt);
601        StepErrorCheck(status);
602        status = sqlite3_reset(begin_trans_stmt);
603        ErrorCheck(status);
604      }
605
606      // Create and execute SQL statements
607      for (int j = 0; j < entries_per_batch; j++) {
608        // Create key value
609        char key[100];
610        int k = (order == SEQUENTIAL) ? i + j : (rand_.Next() % reads_);
611        snprintf(key, sizeof(key), "%016d", k);
612
613        // Bind key value into read_stmt
614        status = sqlite3_bind_blob(read_stmt, 1, key, 16, SQLITE_STATIC);
615        ErrorCheck(status);
616
617        // Execute read statement
618        while ((status = sqlite3_step(read_stmt)) == SQLITE_ROW) {
619        }
620        StepErrorCheck(status);
621
622        // Reset SQLite statement for another use
623        status = sqlite3_clear_bindings(read_stmt);
624        ErrorCheck(status);
625        status = sqlite3_reset(read_stmt);
626        ErrorCheck(status);
627        FinishedSingleOp();
628      }
629
630      // End read transaction
631      if (FLAGS_transaction && transaction) {
632        status = sqlite3_step(end_trans_stmt);
633        StepErrorCheck(status);
634        status = sqlite3_reset(end_trans_stmt);
635        ErrorCheck(status);
636      }
637    }
638
639    status = sqlite3_finalize(read_stmt);
640    ErrorCheck(status);
641    status = sqlite3_finalize(begin_trans_stmt);
642    ErrorCheck(status);
643    status = sqlite3_finalize(end_trans_stmt);
644    ErrorCheck(status);
645  }
646
647  void ReadSequential() {
648    int status;
649    sqlite3_stmt* pStmt;
650    std::string read_str = "SELECT * FROM test ORDER BY key";
651
652    status = sqlite3_prepare_v2(db_, read_str.c_str(), -1, &pStmt, nullptr);
653    ErrorCheck(status);
654    for (int i = 0; i < reads_ && SQLITE_ROW == sqlite3_step(pStmt); i++) {
655      bytes_ += sqlite3_column_bytes(pStmt, 1) + sqlite3_column_bytes(pStmt, 2);
656      FinishedSingleOp();
657    }
658
659    status = sqlite3_finalize(pStmt);
660    ErrorCheck(status);
661  }
662};
663
664}  // namespace leveldb
665
666int main(int argc, char** argv) {
667  std::string default_db_path;
668  for (int i = 1; i < argc; i++) {
669    double d;
670    int n;
671    char junk;
672    if (leveldb::Slice(argv[i]).starts_with("--benchmarks=")) {
673      FLAGS_benchmarks = argv[i] + strlen("--benchmarks=");
674    } else if (sscanf(argv[i], "--histogram=%d%c", &n, &junk) == 1 &&
675               (n == 0 || n == 1)) {
676      FLAGS_histogram = n;
677    } else if (sscanf(argv[i], "--compression_ratio=%lf%c", &d, &junk) == 1) {
678      FLAGS_compression_ratio = d;
679    } else if (sscanf(argv[i], "--use_existing_db=%d%c", &n, &junk) == 1 &&
680               (n == 0 || n == 1)) {
681      FLAGS_use_existing_db = n;
682    } else if (sscanf(argv[i], "--num=%d%c", &n, &junk) == 1) {
683      FLAGS_num = n;
684    } else if (sscanf(argv[i], "--reads=%d%c", &n, &junk) == 1) {
685      FLAGS_reads = n;
686    } else if (sscanf(argv[i], "--value_size=%d%c", &n, &junk) == 1) {
687      FLAGS_value_size = n;
688    } else if (leveldb::Slice(argv[i]) == leveldb::Slice("--no_transaction")) {
689      FLAGS_transaction = false;
690    } else if (sscanf(argv[i], "--page_size=%d%c", &n, &junk) == 1) {
691      FLAGS_page_size = n;
692    } else if (sscanf(argv[i], "--num_pages=%d%c", &n, &junk) == 1) {
693      FLAGS_num_pages = n;
694    } else if (sscanf(argv[i], "--WAL_enabled=%d%c", &n, &junk) == 1 &&
695               (n == 0 || n == 1)) {
696      FLAGS_WAL_enabled = n;
697    } else if (strncmp(argv[i], "--db=", 5) == 0) {
698      FLAGS_db = argv[i] + 5;
699    } else {
700      fprintf(stderr, "Invalid flag '%s'\n", argv[i]);
701      exit(1);
702    }
703  }
704
705  // Choose a location for the test database if none given with --db=<path>
706  if (FLAGS_db == nullptr) {
707    leveldb::Env::Default()->GetTestDirectory(&default_db_path);
708    default_db_path += "/dbbench";
709    FLAGS_db = default_db_path.c_str();
710  }
711
712  leveldb::Benchmark benchmark;
713  benchmark.Run();
714  return 0;
715}
716

A READING COMPANION

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This file is included in the stable source snapshot. A file-specific guide has not been published yet.

440 guided files · 2,580 pending. Guides cover key sections, not every line.

cmake/bitcoin-build-config.h.in src/consensus/amount.h src/consensus/consensus.h src/primitives/block.h src/primitives/transaction.h src/crypto/sha256.h src/util/moneystr.h src/clientversion.h src/uint256.h src/script/script.h src/policy/policy.h CMakeLists.txt README.md COPYING src/consensus/tx_check.cpp src/consensus/tx_verify.cpp src/consensus/merkle.cpp src/pow.cpp src/validation.cpp src/script/interpreter.cpp src/script/solver.cpp src/script/sign.cpp src/key_io.cpp src/net.cpp src/net_processing.cpp src/netaddress.cpp src/protocol.h src/wallet/wallet.cpp src/wallet/spend.cpp

← Previous 250 linesCode page 3

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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Bitcoin Core source © its contributors, distributed under the MIT license. Original notices and bundled third-party licenses are retained in the source tree.