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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

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▤ arith_uint256_tests.cpp

▤ baseindex_tests.cpp

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▤ 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

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▤ net_tests.cpp

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▤ node_warnings_tests.cpp

▤ orphanage_tests.cpp

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bitcoin / src / test / streams_tests.cpp

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251BOOST_AUTO_TEST_CASE(streams_vector_reader)
252{
253    std::vector<unsigned char> vch = {1, 255, 3, 4, 5, 6};
254
255    SpanReader reader{vch};
256    BOOST_CHECK_EQUAL(reader.size(), 6U);
257    BOOST_CHECK(!reader.empty());
258
259    // Read a single byte as an unsigned char.
260    unsigned char a;
261    reader >> a;
262    BOOST_CHECK_EQUAL(a, 1);
263    BOOST_CHECK_EQUAL(reader.size(), 5U);
264    BOOST_CHECK(!reader.empty());
265
266    // Read a single byte as a int8_t.
267    int8_t b;
268    reader >> b;
269    BOOST_CHECK_EQUAL(b, -1);
270    BOOST_CHECK_EQUAL(reader.size(), 4U);
271    BOOST_CHECK(!reader.empty());
272
273    // Read a 4 bytes as an unsigned int.
274    unsigned int c;
275    reader >> c;
276    BOOST_CHECK_EQUAL(c, 100992003U); // 3,4,5,6 in little-endian base-256
277    BOOST_CHECK_EQUAL(reader.size(), 0U);
278    BOOST_CHECK(reader.empty());
279
280    // Reading after end of byte vector throws an error.
281    signed int d;
282    BOOST_CHECK_THROW(reader >> d, std::ios_base::failure);
283
284    // Read a 4 bytes as a signed int from the beginning of the buffer.
285    SpanReader new_reader{vch};
286    new_reader >> d;
287    BOOST_CHECK_EQUAL(d, 67370753); // 1,255,3,4 in little-endian base-256
288    BOOST_CHECK_EQUAL(new_reader.size(), 2U);
289    BOOST_CHECK(!new_reader.empty());
290
291    // Reading after end of byte vector throws an error even if the reader is
292    // not totally empty.
293    BOOST_CHECK_THROW(new_reader >> d, std::ios_base::failure);
294}
295
296BOOST_AUTO_TEST_CASE(streams_vector_reader_rvalue)
297{
298    std::vector<uint8_t> data{0x82, 0xa7, 0x31};
299    SpanReader reader{data};
300    uint32_t varint = 0;
301    // Deserialize into r-value
302    reader >> VARINT(varint);
303    BOOST_CHECK_EQUAL(varint, 54321U);
304    BOOST_CHECK(reader.empty());
305}
306
307BOOST_AUTO_TEST_CASE(bitstream_reader_writer)
308{
309    DataStream data{};
310
311    BitStreamWriter bit_writer{data};
312    bit_writer.Write(0, 1);
313    bit_writer.Write(2, 2);
314    bit_writer.Write(6, 3);
315    bit_writer.Write(11, 4);
316    bit_writer.Write(1, 5);
317    bit_writer.Write(32, 6);
318    bit_writer.Write(7, 7);
319    bit_writer.Write(30497, 16);
320    bit_writer.Flush();
321
322    DataStream data_copy{data};
323    uint32_t serialized_int1;
324    data >> serialized_int1;
325    BOOST_CHECK_EQUAL(serialized_int1, uint32_t{0x7700C35A}); // NOTE: Serialized as LE
326    uint16_t serialized_int2;
327    data >> serialized_int2;
328    BOOST_CHECK_EQUAL(serialized_int2, uint16_t{0x1072}); // NOTE: Serialized as LE
329
330    BitStreamReader bit_reader{data_copy};
331    BOOST_CHECK_EQUAL(bit_reader.Read(1), 0U);
332    BOOST_CHECK_EQUAL(bit_reader.Read(2), 2U);
333    BOOST_CHECK_EQUAL(bit_reader.Read(3), 6U);
334    BOOST_CHECK_EQUAL(bit_reader.Read(4), 11U);
335    BOOST_CHECK_EQUAL(bit_reader.Read(5), 1U);
336    BOOST_CHECK_EQUAL(bit_reader.Read(6), 32U);
337    BOOST_CHECK_EQUAL(bit_reader.Read(7), 7U);
338    BOOST_CHECK_EQUAL(bit_reader.Read(16), 30497U);
339    BOOST_CHECK_THROW(bit_reader.Read(8), std::ios_base::failure);
340}
341
342BOOST_AUTO_TEST_CASE(streams_serializedata_xor)
343{
344    // Degenerate case
345    {
346        DataStream ds{};
347        Obfuscation{}(ds);
348        BOOST_CHECK_EQUAL(""s, ds.str());
349    }
350
351    {
352        const Obfuscation obfuscation{"ffffffffffffffff"_hex};
353
354        DataStream ds{"0ff0"_hex};
355        obfuscation(ds);
356        BOOST_CHECK_EQUAL("\xf0\x0f"s, ds.str());
357    }
358
359    {
360        const Obfuscation obfuscation{"ff0fff0fff0fff0f"_hex};
361
362        DataStream ds{"f00f"_hex};
363        obfuscation(ds);
364        BOOST_CHECK_EQUAL("\x0f\x00"s, ds.str());
365    }
366}
367
368BOOST_AUTO_TEST_CASE(streams_buffered_file)
369{
370    fs::path streams_test_filename = m_args.GetDataDirBase() / "streams_test_tmp";
371    AutoFile file{fsbridge::fopen(streams_test_filename, "w+b")};
372
373    // The value at each offset is the offset.
374    for (uint8_t j = 0; j < 40; ++j) {
375        file << j;
376    }
377    file.seek(0, SEEK_SET);
378
379    // The buffer size must be greater than the rewind amount.
380    BOOST_CHECK_EXCEPTION((BufferedFile{file, /*nBufSize=*/25, /*nRewindIn=*/25}), std::ios_base::failure, HasReason{"Rewind limit must be less than buffer size"});
381
382    // The buffer is 25 bytes, allow rewinding 10 bytes.
383    BufferedFile bf{file, 25, 10};
384    BOOST_CHECK(!bf.eof());
385
386    uint8_t i;
387    bf >> i;
388    BOOST_CHECK_EQUAL(i, 0);
389    bf >> i;
390    BOOST_CHECK_EQUAL(i, 1);
391
392    // After reading bytes 0 and 1, we're positioned at 2.
393    BOOST_CHECK_EQUAL(bf.GetPos(), 2U);
394
395    // Rewind to offset 0, ok (within the 10 byte window).
396    BOOST_CHECK(bf.SetPos(0));
397    bf >> i;
398    BOOST_CHECK_EQUAL(i, 0);
399
400    // We can go forward to where we've been, but beyond may fail.
401    BOOST_CHECK(bf.SetPos(2));
402    bf >> i;
403    BOOST_CHECK_EQUAL(i, 2);
404
405    // If you know the maximum number of bytes that should be
406    // read to deserialize the variable, you can limit the read
407    // extent. The current file offset is 3, so the following
408    // SetLimit() allows zero bytes to be read.
409    BOOST_CHECK(bf.SetLimit(3));
410    BOOST_CHECK_EXCEPTION(bf >> i, std::ios_base::failure, HasReason{"Attempt to position past buffer limit"});
411    // The default argument removes the limit completely.
412    BOOST_CHECK(bf.SetLimit());
413    // The read position should still be at 3 (no change).
414    BOOST_CHECK_EQUAL(bf.GetPos(), 3U);
415
416    // Read from current offset, 3, forward until position 10.
417    for (uint8_t j = 3; j < 10; ++j) {
418        bf >> i;
419        BOOST_CHECK_EQUAL(i, j);
420    }
421    BOOST_CHECK_EQUAL(bf.GetPos(), 10U);
422
423    // We're guaranteed (just barely) to be able to rewind to zero.
424    BOOST_CHECK(bf.SetPos(0));
425    BOOST_CHECK_EQUAL(bf.GetPos(), 0U);
426    bf >> i;
427    BOOST_CHECK_EQUAL(i, 0);
428
429    // We can set the position forward again up to the farthest
430    // into the stream we've been, but no farther. (Attempting
431    // to go farther may succeed, but it's not guaranteed.)
432    BOOST_CHECK(bf.SetPos(10));
433    bf >> i;
434    BOOST_CHECK_EQUAL(i, 10);
435    BOOST_CHECK_EQUAL(bf.GetPos(), 11U);
436
437    // Now it's only guaranteed that we can rewind to offset 1
438    // (current read position, 11, minus rewind amount, 10).
439    BOOST_CHECK(bf.SetPos(1));
440    BOOST_CHECK_EQUAL(bf.GetPos(), 1U);
441    bf >> i;
442    BOOST_CHECK_EQUAL(i, 1);
443
444    // We can stream into large variables, even larger than
445    // the buffer size.
446    BOOST_CHECK(bf.SetPos(11));
447    {
448        uint8_t a[40 - 11];
449        bf >> a;
450        for (uint8_t j = 0; j < sizeof(a); ++j) {
451            BOOST_CHECK_EQUAL(a[j], 11 + j);
452        }
453    }
454    BOOST_CHECK_EQUAL(bf.GetPos(), 40U);
455
456    // We've read the entire file, the next read should throw.
457    BOOST_CHECK_EXCEPTION(bf >> i, std::ios_base::failure, HasReason{"BufferedFile::Fill: end of file"});
458    // Attempting to read beyond the end sets the EOF indicator.
459    BOOST_CHECK(bf.eof());
460
461    // Still at offset 40, we can go back 10, to 30.
462    BOOST_CHECK_EQUAL(bf.GetPos(), 40U);
463    BOOST_CHECK(bf.SetPos(30));
464    bf >> i;
465    BOOST_CHECK_EQUAL(i, 30);
466    BOOST_CHECK_EQUAL(bf.GetPos(), 31U);
467
468    // We're too far to rewind to position zero.
469    BOOST_CHECK(!bf.SetPos(0));
470    // But we should now be positioned at least as far back as allowed
471    // by the rewind window (relative to our farthest read position, 40).
472    BOOST_CHECK(bf.GetPos() <= 30U);
473
474    BOOST_REQUIRE_EQUAL(file.fclose(), 0);
475
476    fs::remove(streams_test_filename);
477}
478
479BOOST_AUTO_TEST_CASE(streams_buffered_file_skip)
480{
481    fs::path streams_test_filename = m_args.GetDataDirBase() / "streams_test_tmp";
482    AutoFile file{fsbridge::fopen(streams_test_filename, "w+b")};
483    // The value at each offset is the byte offset (e.g. byte 1 in the file has the value 0x01).
484    for (uint8_t j = 0; j < 40; ++j) {
485        file << j;
486    }
487    file.seek(0, SEEK_SET);
488
489    // The buffer is 25 bytes, allow rewinding 10 bytes.
490    BufferedFile bf{file, 25, 10};
491
492    uint8_t i;
493    // This is like bf >> (7-byte-variable), in that it will cause data
494    // to be read from the file into memory, but it's not copied to us.
495    bf.SkipTo(7);
496    BOOST_CHECK_EQUAL(bf.GetPos(), 7U);
497    bf >> i;
498    BOOST_CHECK_EQUAL(i, 7);
499
500    // The bytes in the buffer up to offset 7 are valid and can be read.

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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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