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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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▤ arith_uint256.hGuide

▤ bitcoin-chainstate.cpp

▤ bitcoin-cli-res.rc

▤ bitcoin-cli.cppGuide

▤ bitcoin-res.rc

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▤ bitcoin-tx.cpp

▤ bitcoin-util-res.rc

▤ bitcoin-util.cpp

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▤ blockencodings.cppGuide

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▤ dbwrapper.hGuide

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bitcoin / src / logging.cpp

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20,252 bytes · SHA-256 acabcfa484a698e4… · View upstream ↗

501    }
502    if (m_print_to_file && !ratelimit) {
503        assert(m_fileout != nullptr);
504
505        // reopen the log file, if requested
506        if (m_reopen_file) {
507            m_reopen_file = false;
508            FILE* new_fileout = fsbridge::fopen(m_file_path, "a");
509            if (new_fileout) {
510                setbuf(new_fileout, nullptr); // unbuffered
511                fclose(m_fileout);
512                m_fileout = new_fileout;
513            }
514        }
515        FileWriteStr(str_prefixed, m_fileout);
516    }
517}
518
519void BCLog::Logger::ShrinkDebugFile()
520{
521    STDLOCK(m_cs);
522
523    // Amount of debug.log to save at end when shrinking (must fit in memory)
524    constexpr size_t RECENT_DEBUG_HISTORY_SIZE = 10 * 1000000;
525
526    assert(!m_file_path.empty());
527
528    // Scroll debug.log if it's getting too big
529    FILE* file = fsbridge::fopen(m_file_path, "r");
530
531    // Special files (e.g. device nodes) may not have a size.
532    size_t log_size = 0;
533    try {
534        log_size = fs::file_size(m_file_path);
535    } catch (const fs::filesystem_error&) {}
536
537    // If debug.log file is more than 10% bigger the RECENT_DEBUG_HISTORY_SIZE
538    // trim it down by saving only the last RECENT_DEBUG_HISTORY_SIZE bytes
539    if (file && log_size > 11 * (RECENT_DEBUG_HISTORY_SIZE / 10))
540    {
541        // Restart the file with some of the end
542        std::vector<char> vch(RECENT_DEBUG_HISTORY_SIZE, 0);
543        if (fseek(file, -((long)vch.size()), SEEK_END)) {
544            // LogWarning, except with m_cs held
545            LogPrint_({
546                .category = BCLog::ALL,
547                .level = Level::Warning,
548                .should_ratelimit = true,
549                .source_loc = SourceLocation{__func__},
550                .message = "Failed to shrink debug log file: fseek(...) failed",
551            });
552            fclose(file);
553            return;
554        }
555        int nBytes = fread(vch.data(), 1, vch.size(), file);
556        fclose(file);
557
558        file = fsbridge::fopen(m_file_path, "w");
559        if (file)
560        {
561            fwrite(vch.data(), 1, nBytes, file);
562            fclose(file);
563        }
564    }
565    else if (file != nullptr)
566        fclose(file);
567}
568
569void BCLog::LogRateLimiter::Reset()
570{
571    decltype(m_source_locations) source_locations;
572    {
573        STDLOCK(m_mutex);
574        source_locations.swap(m_source_locations);
575        m_suppression_active = false;
576    }
577    for (const auto& [source_loc, stats] : source_locations) {
578        if (stats.m_dropped_bytes == 0) continue;
579        LogWarning(util::log::NO_RATE_LIMIT,
580            "Restarting logging from %s:%d (%s): %d bytes were dropped during the last %ss.",
581            source_loc.file_name(), source_loc.line(), source_loc.function_name_short(),
582            stats.m_dropped_bytes, Ticks<std::chrono::seconds>(m_reset_window));
583    }
584}
585
586bool BCLog::LogRateLimiter::Stats::Consume(uint64_t bytes)
587{
588    if (bytes > m_available_bytes) {
589        m_dropped_bytes += bytes;
590        m_available_bytes = 0;
591        return false;
592    }
593
594    m_available_bytes -= bytes;
595    return true;
596}
597
598bool BCLog::Logger::SetLogLevel(std::string_view level_str)
599{
600    const auto level = GetLogLevel(level_str);
601    if (!level.has_value() || level.value() > MAX_USER_SETABLE_SEVERITY_LEVEL) return false;
602    m_log_level = level.value();
603    return true;
604}
605
606bool BCLog::Logger::SetCategoryLogLevel(std::string_view category_str, std::string_view level_str)
607{
608    const auto flag{GetLogCategory(category_str)};
609    if (!flag) return false;
610
611    const auto level = GetLogLevel(level_str);
612    if (!level.has_value() || level.value() > MAX_USER_SETABLE_SEVERITY_LEVEL) return false;
613    if (*flag == BCLog::NONE) return true;
614
615    STDLOCK(m_cs);
616    m_category_log_levels[*flag] = level.value();
617    return true;
618}
619
620bool util::log::ShouldDebugLog(Category category)
621{
622    return LogInstance().WillLogCategoryLevel(static_cast<BCLog::LogFlags>(category), util::log::Level::Debug);
623}
624
625bool util::log::ShouldTraceLog(Category category)
626{
627    return LogInstance().WillLogCategoryLevel(static_cast<BCLog::LogFlags>(category), util::log::Level::Trace);
628}
629
630void util::log::Log(util::log::Entry entry)
631{
632    BCLog::Logger& logger{LogInstance()};
633    if (logger.Enabled()) {
634        logger.LogPrint(std::move(entry));
635    }
636}
637

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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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