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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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▤ allocator_tests.cpp

▤ amount_tests.cpp

▤ argsman_tests.cpp

▤ arith_uint256_tests.cpp

▤ baseindex_tests.cpp

▤ blockchain_tests.cpp

▤ blockencodings_tests.cpp

▤ blockfilter_index_tests.cpp

▤ blockfilter_tests.cpp

▤ blockmanager_tests.cpp

▤ blockpolicyestimator_tests.cpp

▤ bloom_tests.cpp

▤ bswap_tests.cpp

▤ btcsignals_tests.cpp

▤ caches_tests.cpp

▤ chain_tests.cpp

▤ chainstate_write_tests.cpp

▤ checkqueue_tests.cpp

▤ cluster_linearize_tests.cpp

▤ CMakeLists.txt

▤ coins_tests.cpp

▤ coinscachepair_tests.cpp

▤ coinstatsindex_tests.cpp

▤ coinsviewoverlay_tests.cpp

▤ common_url_tests.cpp

▤ compress_tests.cpp

▤ crypto_tests.cpp

▤ cuckoocache_tests.cpp

▤ dbwrapper_tests.cpp

▤ denialofservice_tests.cpp

▤ descriptor_tests.cpp

▤ disconnected_transactions.cpp

▤ feefrac_tests.cpp

▤ feerounder_tests.cpp

▤ fees_util_tests.cpp

▤ headers_sync_chainwork_tests.cpp

▤ httpserver_tests.cpp

▤ i2p_tests.cpp

▤ interfaces_tests.cpp

▤ mempool_fee_estimator_tests.cpp

▤ mempool_tests.cpp

▤ merkle_tests.cpp

▤ merkleblock_tests.cpp

▤ miner_tests.cpp

▤ miniminer_tests.cpp

▤ miniscript_tests.cpp

▤ minisketch_tests.cpp

▤ multisig_tests.cpp

▤ net_peer_connection_tests.cpp

▤ net_peer_eviction_tests.cpp

▤ net_tests.cpp

▤ netbase_tests.cpp

▤ node_init_tests.cpp

▤ node_warnings_tests.cpp

▤ orphanage_tests.cpp

▤ prevector_tests.cpp

▤ private_broadcast_tests.cpp

▤ reverselock_tests.cpp

▤ rpc_tests.cpp

▤ sanity_tests.cpp

▤ scheduler_tests.cpp

▤ script_assets_tests.cpp

▤ script_p2sh_tests.cpp

▤ script_parse_tests.cpp

▤ script_segwit_tests.cpp

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▤ scriptnum10.h

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▤ threadpool_tests.cpp

▤ timeoffsets_tests.cpp

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▤ transaction_tests.cpp

▤ translation_tests.cpp

▤ txdownload_tests.cpp

▤ txgraph_tests.cpp

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▤ txpackage_tests.cpp

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▤ txvalidation_tests.cpp

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▤ validation_chainstatemanager_tests.cpp

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▤ versionbits_tests.cpp

▤ arith_uint256.hGuide

▤ bitcoin-chainstate.cpp

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▤ external_signer.cpp

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▤ merkleblock.cppGuide

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▤ musig.cpp

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▤ net_processing.cppGuide

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▤ private_broadcast.cpp

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▤ validation.h

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▤ walletinitinterface.hGuide

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▤ libbitcoinkernel.pc.in

bitcoin / src / test / streams_tests.cpp

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501    BOOST_CHECK(bf.SetPos(0));
502    bf >> i;
503    BOOST_CHECK_EQUAL(i, 0);
504    bf >> i;
505    BOOST_CHECK_EQUAL(i, 1);
506
507    bf.SkipTo(11);
508    bf >> i;
509    BOOST_CHECK_EQUAL(i, 11);
510
511    // SkipTo() honors the transfer limit; we can't position beyond the limit.
512    bf.SetLimit(13);
513    BOOST_CHECK_EXCEPTION(bf.SkipTo(14), std::ios_base::failure, HasReason{"Attempt to position past buffer limit"});
514
515    // We can position exactly to the transfer limit.
516    bf.SkipTo(13);
517    BOOST_CHECK_EQUAL(bf.GetPos(), 13U);
518
519    BOOST_REQUIRE_EQUAL(file.fclose(), 0);
520    fs::remove(streams_test_filename);
521}
522
523BOOST_AUTO_TEST_CASE(streams_buffered_file_rand)
524{
525    // Make this test deterministic.
526    SeedRandomForTest(SeedRand::ZEROS);
527
528    fs::path streams_test_filename = m_args.GetDataDirBase() / "streams_test_tmp";
529    for (int rep = 0; rep < 50; ++rep) {
530        AutoFile file{fsbridge::fopen(streams_test_filename, "w+b")};
531        size_t fileSize = m_rng.randrange(256);
532        for (uint8_t i = 0; i < fileSize; ++i) {
533            file << i;
534        }
535        file.seek(0, SEEK_SET);
536
537        size_t bufSize = m_rng.randrange(300) + 1;
538        size_t rewindSize = m_rng.randrange(bufSize);
539        BufferedFile bf{file, bufSize, rewindSize};
540        size_t currentPos = 0;
541        size_t maxPos = 0;
542        for (int step = 0; step < 100; ++step) {
543            if (currentPos >= fileSize)
544                break;
545
546            // We haven't read to the end of the file yet.
547            BOOST_CHECK(!bf.eof());
548            BOOST_CHECK_EQUAL(bf.GetPos(), currentPos);
549
550            // Pretend the file consists of a series of objects of varying
551            // sizes; the boundaries of the objects can interact arbitrarily
552            // with the CBufferFile's internal buffer. These first three
553            // cases simulate objects of various sizes (1, 2, 5 bytes).
554            switch (m_rng.randrange(6)) {
555            case 0: {
556                uint8_t a[1];
557                if (currentPos + 1 > fileSize)
558                    continue;
559                bf.SetLimit(currentPos + 1);
560                bf >> a;
561                for (uint8_t i = 0; i < 1; ++i) {
562                    BOOST_CHECK_EQUAL(a[i], currentPos);
563                    currentPos++;
564                }
565                break;
566            }
567            case 1: {
568                uint8_t a[2];
569                if (currentPos + 2 > fileSize)
570                    continue;
571                bf.SetLimit(currentPos + 2);
572                bf >> a;
573                for (uint8_t i = 0; i < 2; ++i) {
574                    BOOST_CHECK_EQUAL(a[i], currentPos);
575                    currentPos++;
576                }
577                break;
578            }
579            case 2: {
580                uint8_t a[5];
581                if (currentPos + 5 > fileSize)
582                    continue;
583                bf.SetLimit(currentPos + 5);
584                bf >> a;
585                for (uint8_t i = 0; i < 5; ++i) {
586                    BOOST_CHECK_EQUAL(a[i], currentPos);
587                    currentPos++;
588                }
589                break;
590            }
591            case 3: {
592                // SkipTo is similar to the "read" cases above, except
593                // we don't receive the data.
594                size_t skip_length{static_cast<size_t>(m_rng.randrange(5))};
595                if (currentPos + skip_length > fileSize) continue;
596                bf.SetLimit(currentPos + skip_length);
597                bf.SkipTo(currentPos + skip_length);
598                currentPos += skip_length;
599                break;
600            }
601            case 4: {
602                // Find a byte value (that is at or ahead of the current position).
603                size_t find = currentPos + m_rng.randrange(8);
604                if (find >= fileSize)
605                    find = fileSize - 1;
606                bf.FindByte(std::byte(find));
607                // The value at each offset is the offset.
608                BOOST_CHECK_EQUAL(bf.GetPos(), find);
609                currentPos = find;
610
611                bf.SetLimit(currentPos + 1);
612                uint8_t i;
613                bf >> i;
614                BOOST_CHECK_EQUAL(i, currentPos);
615                currentPos++;
616                break;
617            }
618            case 5: {
619                size_t requestPos = m_rng.randrange(maxPos + 4);
620                bool okay = bf.SetPos(requestPos);
621                // The new position may differ from the requested position
622                // because we may not be able to rewind beyond the rewind
623                // window, and we may not be able to move forward beyond the
624                // farthest position we've reached so far.
625                currentPos = bf.GetPos();
626                BOOST_CHECK_EQUAL(okay, currentPos == requestPos);
627                // Check that we can position within the rewind window.
628                if (requestPos <= maxPos &&
629                    maxPos > rewindSize &&
630                    requestPos >= maxPos - rewindSize) {
631                    // We requested a position within the rewind window.
632                    BOOST_CHECK(okay);
633                }
634                break;
635            }
636            }
637            if (maxPos < currentPos)
638                maxPos = currentPos;
639        }
640        BOOST_REQUIRE_EQUAL(file.fclose(), 0);
641    }
642    fs::remove(streams_test_filename);
643}
644
645BOOST_AUTO_TEST_CASE(buffered_reader_matches_autofile_random_content)
646{
647    const size_t file_size{1 + m_rng.randrange<size_t>(1 << 17)};
648    const size_t buf_size{1 + m_rng.randrange(file_size)};
649    const FlatFilePos pos{0, 0};
650
651    const FlatFileSeq test_file{m_args.GetDataDirBase(), "buffered_file_test_random", node::BLOCKFILE_CHUNK_SIZE};
652    const Obfuscation obfuscation{m_rng.randbytes<Obfuscation::KEY_SIZE>()};
653
654    // Write out the file with random content
655    {
656        AutoFile f{test_file.Open(pos, /*read_only=*/false), obfuscation};
657        f.write(m_rng.randbytes<std::byte>(file_size));
658        BOOST_REQUIRE_EQUAL(f.fclose(), 0);
659    }
660    BOOST_CHECK_EQUAL(fs::file_size(test_file.FileName(pos)), file_size);
661
662    {
663        AutoFile direct_file{test_file.Open(pos, /*read_only=*/true), obfuscation};
664
665        AutoFile buffered_file{test_file.Open(pos, /*read_only=*/true), obfuscation};
666        BufferedReader buffered_reader{std::move(buffered_file), buf_size};
667
668        for (size_t total_read{0}; total_read < file_size;) {
669            const size_t read{Assert(std::min(1 + m_rng.randrange(m_rng.randbool() ? buf_size : 2 * buf_size), file_size - total_read))};
670
671            DataBuffer direct_file_buffer{read};
672            direct_file.read(direct_file_buffer);
673
674            DataBuffer buffered_buffer{read};
675            buffered_reader.read(buffered_buffer);
676
677            BOOST_CHECK_EQUAL_COLLECTIONS(
678                direct_file_buffer.begin(), direct_file_buffer.end(),
679                buffered_buffer.begin(), buffered_buffer.end()
680            );
681
682            total_read += read;
683        }
684
685        {
686            DataBuffer excess_byte{1};
687            BOOST_CHECK_EXCEPTION(direct_file.read(excess_byte), std::ios_base::failure, HasReason{"end of file"});
688        }
689
690        {
691            DataBuffer excess_byte{1};
692            BOOST_CHECK_EXCEPTION(buffered_reader.read(excess_byte), std::ios_base::failure, HasReason{"end of file"});
693        }
694    }
695
696    fs::remove(test_file.FileName(pos));
697}
698
699BOOST_AUTO_TEST_CASE(buffered_writer_matches_autofile_random_content)
700{
701    const size_t file_size{1 + m_rng.randrange<size_t>(1 << 17)};
702    const size_t buf_size{1 + m_rng.randrange(file_size)};
703    const FlatFilePos pos{0, 0};
704
705    const FlatFileSeq test_buffered{m_args.GetDataDirBase(), "buffered_write_test", node::BLOCKFILE_CHUNK_SIZE};
706    const FlatFileSeq test_direct{m_args.GetDataDirBase(), "direct_write_test", node::BLOCKFILE_CHUNK_SIZE};
707    const Obfuscation obfuscation{m_rng.randbytes<Obfuscation::KEY_SIZE>()};
708
709    {
710        DataBuffer test_data{m_rng.randbytes<std::byte>(file_size)};
711
712        AutoFile direct_file{test_direct.Open(pos, /*read_only=*/false), obfuscation};
713
714        AutoFile buffered_file{test_buffered.Open(pos, /*read_only=*/false), obfuscation};
715        {
716            BufferedWriter buffered{buffered_file, buf_size};
717
718            for (size_t total_written{0}; total_written < file_size;) {
719                const size_t write_size{Assert(std::min(1 + m_rng.randrange(m_rng.randbool() ? buf_size : 2 * buf_size), file_size - total_written))};
720
721                auto current_span = std::span{test_data}.subspan(total_written, write_size);
722                direct_file.write(current_span);
723                buffered.write(current_span);
724
725                total_written += write_size;
726            }
727        }
728        BOOST_REQUIRE_EQUAL(buffered_file.fclose(), 0);
729        BOOST_REQUIRE_EQUAL(direct_file.fclose(), 0);
730    }
731
732    // Compare the resulting files
733    DataBuffer direct_result{file_size};
734    {
735        AutoFile verify_direct{test_direct.Open(pos, /*read_only=*/true), obfuscation};
736        verify_direct.read(direct_result);
737
738        DataBuffer excess_byte{1};
739        BOOST_CHECK_EXCEPTION(verify_direct.read(excess_byte), std::ios_base::failure, HasReason{"end of file"});
740    }
741
742    DataBuffer buffered_result{file_size};
743    {
744        AutoFile verify_buffered{test_buffered.Open(pos, /*read_only=*/true), obfuscation};
745        verify_buffered.read(buffered_result);
746
747        DataBuffer excess_byte{1};
748        BOOST_CHECK_EXCEPTION(verify_buffered.read(excess_byte), std::ios_base::failure, HasReason{"end of file"});
749    }
750

A READING COMPANION

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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 3Next 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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