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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

▤ cuckoocache.h

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▤ dbwrapper.hGuide

▤ deploymentinfo.cppGuide

▤ deploymentinfo.hGuide

▤ deploymentstatus.cppGuide

▤ deploymentstatus.hGuide

▤ dummywallet.cppGuide

▤ external_signer.cpp

▤ external_signer.hGuide

▤ merkleblock.cppGuide

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▤ musig.cpp

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▤ net_permissions.cppGuide

▤ net_permissions.hGuide

▤ net_processing.cppGuide

▤ netaddress.cppGuide

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▤ outputtype.cppGuide

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▤ threadsafety.hGuide

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bitcoin / src / leveldb / benchmarks / db_bench_sqlite3.cc

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251      double micros = (now - last_op_finish_) * 1e6;
252      hist_.Add(micros);
253      if (micros > 20000) {
254        fprintf(stderr, "long op: %.1f micros%30s\r", micros, "");
255        fflush(stderr);
256      }
257      last_op_finish_ = now;
258    }
259
260    done_++;
261    if (done_ >= next_report_) {
262      if (next_report_ < 1000)
263        next_report_ += 100;
264      else if (next_report_ < 5000)
265        next_report_ += 500;
266      else if (next_report_ < 10000)
267        next_report_ += 1000;
268      else if (next_report_ < 50000)
269        next_report_ += 5000;
270      else if (next_report_ < 100000)
271        next_report_ += 10000;
272      else if (next_report_ < 500000)
273        next_report_ += 50000;
274      else
275        next_report_ += 100000;
276      fprintf(stderr, "... finished %d ops%30s\r", done_, "");
277      fflush(stderr);
278    }
279  }
280
281  void Stop(const Slice& name) {
282    double finish = Env::Default()->NowMicros() * 1e-6;
283
284    // Pretend at least one op was done in case we are running a benchmark
285    // that does not call FinishedSingleOp().
286    if (done_ < 1) done_ = 1;
287
288    if (bytes_ > 0) {
289      char rate[100];
290      snprintf(rate, sizeof(rate), "%6.1f MB/s",
291               (bytes_ / 1048576.0) / (finish - start_));
292      if (!message_.empty()) {
293        message_ = std::string(rate) + " " + message_;
294      } else {
295        message_ = rate;
296      }
297    }
298
299    fprintf(stdout, "%-12s : %11.3f micros/op;%s%s\n", name.ToString().c_str(),
300            (finish - start_) * 1e6 / done_, (message_.empty() ? "" : " "),
301            message_.c_str());
302    if (FLAGS_histogram) {
303      fprintf(stdout, "Microseconds per op:\n%s\n", hist_.ToString().c_str());
304    }
305    fflush(stdout);
306  }
307
308 public:
309  enum Order { SEQUENTIAL, RANDOM };
310  enum DBState { FRESH, EXISTING };
311
312  Benchmark()
313      : db_(nullptr),
314        db_num_(0),
315        num_(FLAGS_num),
316        reads_(FLAGS_reads < 0 ? FLAGS_num : FLAGS_reads),
317        bytes_(0),
318        rand_(301) {
319    std::vector<std::string> files;
320    std::string test_dir;
321    Env::Default()->GetTestDirectory(&test_dir);
322    Env::Default()->GetChildren(test_dir, &files);
323    if (!FLAGS_use_existing_db) {
324      for (int i = 0; i < files.size(); i++) {
325        if (Slice(files[i]).starts_with("dbbench_sqlite3")) {
326          std::string file_name(test_dir);
327          file_name += "/";
328          file_name += files[i];
329          Env::Default()->DeleteFile(file_name.c_str());
330        }
331      }
332    }
333  }
334
335  ~Benchmark() {
336    int status = sqlite3_close(db_);
337    ErrorCheck(status);
338  }
339
340  void Run() {
341    PrintHeader();
342    Open();
343
344    const char* benchmarks = FLAGS_benchmarks;
345    while (benchmarks != nullptr) {
346      const char* sep = strchr(benchmarks, ',');
347      Slice name;
348      if (sep == nullptr) {
349        name = benchmarks;
350        benchmarks = nullptr;
351      } else {
352        name = Slice(benchmarks, sep - benchmarks);
353        benchmarks = sep + 1;
354      }
355
356      bytes_ = 0;
357      Start();
358
359      bool known = true;
360      bool write_sync = false;
361      if (name == Slice("fillseq")) {
362        Write(write_sync, SEQUENTIAL, FRESH, num_, FLAGS_value_size, 1);
363        WalCheckpoint(db_);
364      } else if (name == Slice("fillseqbatch")) {
365        Write(write_sync, SEQUENTIAL, FRESH, num_, FLAGS_value_size, 1000);
366        WalCheckpoint(db_);
367      } else if (name == Slice("fillrandom")) {
368        Write(write_sync, RANDOM, FRESH, num_, FLAGS_value_size, 1);
369        WalCheckpoint(db_);
370      } else if (name == Slice("fillrandbatch")) {
371        Write(write_sync, RANDOM, FRESH, num_, FLAGS_value_size, 1000);
372        WalCheckpoint(db_);
373      } else if (name == Slice("overwrite")) {
374        Write(write_sync, RANDOM, EXISTING, num_, FLAGS_value_size, 1);
375        WalCheckpoint(db_);
376      } else if (name == Slice("overwritebatch")) {
377        Write(write_sync, RANDOM, EXISTING, num_, FLAGS_value_size, 1000);
378        WalCheckpoint(db_);
379      } else if (name == Slice("fillrandsync")) {
380        write_sync = true;
381        Write(write_sync, RANDOM, FRESH, num_ / 100, FLAGS_value_size, 1);
382        WalCheckpoint(db_);
383      } else if (name == Slice("fillseqsync")) {
384        write_sync = true;
385        Write(write_sync, SEQUENTIAL, FRESH, num_ / 100, FLAGS_value_size, 1);
386        WalCheckpoint(db_);
387      } else if (name == Slice("fillrand100K")) {
388        Write(write_sync, RANDOM, FRESH, num_ / 1000, 100 * 1000, 1);
389        WalCheckpoint(db_);
390      } else if (name == Slice("fillseq100K")) {
391        Write(write_sync, SEQUENTIAL, FRESH, num_ / 1000, 100 * 1000, 1);
392        WalCheckpoint(db_);
393      } else if (name == Slice("readseq")) {
394        ReadSequential();
395      } else if (name == Slice("readrandom")) {
396        Read(RANDOM, 1);
397      } else if (name == Slice("readrand100K")) {
398        int n = reads_;
399        reads_ /= 1000;
400        Read(RANDOM, 1);
401        reads_ = n;
402      } else {
403        known = false;
404        if (name != Slice()) {  // No error message for empty name
405          fprintf(stderr, "unknown benchmark '%s'\n", name.ToString().c_str());
406        }
407      }
408      if (known) {
409        Stop(name);
410      }
411    }
412  }
413
414  void Open() {
415    assert(db_ == nullptr);
416
417    int status;
418    char file_name[100];
419    char* err_msg = nullptr;
420    db_num_++;
421
422    // Open database
423    std::string tmp_dir;
424    Env::Default()->GetTestDirectory(&tmp_dir);
425    snprintf(file_name, sizeof(file_name), "%s/dbbench_sqlite3-%d.db",
426             tmp_dir.c_str(), db_num_);
427    status = sqlite3_open(file_name, &db_);
428    if (status) {
429      fprintf(stderr, "open error: %s\n", sqlite3_errmsg(db_));
430      exit(1);
431    }
432
433    // Change SQLite cache size
434    char cache_size[100];
435    snprintf(cache_size, sizeof(cache_size), "PRAGMA cache_size = %d",
436             FLAGS_num_pages);
437    status = sqlite3_exec(db_, cache_size, nullptr, nullptr, &err_msg);
438    ExecErrorCheck(status, err_msg);
439
440    // FLAGS_page_size is defaulted to 1024
441    if (FLAGS_page_size != 1024) {
442      char page_size[100];
443      snprintf(page_size, sizeof(page_size), "PRAGMA page_size = %d",
444               FLAGS_page_size);
445      status = sqlite3_exec(db_, page_size, nullptr, nullptr, &err_msg);
446      ExecErrorCheck(status, err_msg);
447    }
448
449    // Change journal mode to WAL if WAL enabled flag is on
450    if (FLAGS_WAL_enabled) {
451      std::string WAL_stmt = "PRAGMA journal_mode = WAL";
452
453      // LevelDB's default cache size is a combined 4 MB
454      std::string WAL_checkpoint = "PRAGMA wal_autocheckpoint = 4096";
455      status = sqlite3_exec(db_, WAL_stmt.c_str(), nullptr, nullptr, &err_msg);
456      ExecErrorCheck(status, err_msg);
457      status =
458          sqlite3_exec(db_, WAL_checkpoint.c_str(), nullptr, nullptr, &err_msg);
459      ExecErrorCheck(status, err_msg);
460    }
461
462    // Change locking mode to exclusive and create tables/index for database
463    std::string locking_stmt = "PRAGMA locking_mode = EXCLUSIVE";
464    std::string create_stmt =
465        "CREATE TABLE test (key blob, value blob, PRIMARY KEY(key))";
466    std::string stmt_array[] = {locking_stmt, create_stmt};
467    int stmt_array_length = sizeof(stmt_array) / sizeof(std::string);
468    for (int i = 0; i < stmt_array_length; i++) {
469      status =
470          sqlite3_exec(db_, stmt_array[i].c_str(), nullptr, nullptr, &err_msg);
471      ExecErrorCheck(status, err_msg);
472    }
473  }
474
475  void Write(bool write_sync, Order order, DBState state, int num_entries,
476             int value_size, int entries_per_batch) {
477    // Create new database if state == FRESH
478    if (state == FRESH) {
479      if (FLAGS_use_existing_db) {
480        message_ = "skipping (--use_existing_db is true)";
481        return;
482      }
483      sqlite3_close(db_);
484      db_ = nullptr;
485      Open();
486      Start();
487    }
488
489    if (num_entries != num_) {
490      char msg[100];
491      snprintf(msg, sizeof(msg), "(%d ops)", num_entries);
492      message_ = msg;
493    }
494
495    char* err_msg = nullptr;
496    int status;
497
498    sqlite3_stmt *replace_stmt, *begin_trans_stmt, *end_trans_stmt;
499    std::string replace_str = "REPLACE INTO test (key, value) VALUES (?, ?)";
500    std::string begin_trans_str = "BEGIN TRANSACTION;";

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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 2Next 250 lines →

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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