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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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▤ blockfilter_tests.cpp

▤ blockmanager_tests.cpp

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▤ CMakeLists.txt

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▤ coinscachepair_tests.cpp

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bitcoin / src / test / coins_tests.cpp

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1001    BOOST_CHECK(!all_caches[1]->HaveCoin(outp));
1002
1003    flush_all(/*erase=*/ true); // Erase all cache content.
1004
1005    // --- Bonus check 2: ensure that a FRESH, spent coin is deleted by Sync()
1006    //
1007    txid = Txid::FromUint256(m_rng.rand256());
1008    outp = COutPoint(txid, 0);
1009    coin = MakeCoin();
1010    CAmount coin_val = coin.out.nValue;
1011    BOOST_CHECK(!base.HaveCoin(outp));
1012    BOOST_CHECK(!all_caches[0]->HaveCoin(outp));
1013    BOOST_CHECK(!all_caches[1]->HaveCoin(outp));
1014
1015    // Add and spend from same cache without flushing.
1016    all_caches[0]->AddCoin(outp, std::move(coin), false);
1017
1018    // Coin should be FRESH in the cache.
1019    BOOST_CHECK_EQUAL(GetCoinsMapEntry(all_caches[0]->map(), outp), CoinEntry(coin_val, CoinEntry::State::DIRTY_FRESH));
1020    // Base shouldn't have seen coin.
1021    BOOST_CHECK(!base.HaveCoin(outp));
1022
1023    BOOST_CHECK(all_caches[0]->SpendCoin(outp));
1024    all_caches[0]->Sync();
1025
1026    // Ensure there is no sign of the coin after spend/flush.
1027    BOOST_CHECK(!GetCoinsMapEntry(all_caches[0]->map(), outp));
1028    BOOST_CHECK(!all_caches[0]->HaveCoinInCache(outp));
1029    BOOST_CHECK(!base.HaveCoin(outp));
1030}
1031}; // struct FlushTest
1032
1033BOOST_FIXTURE_TEST_CASE(ccoins_flush_behavior, FlushTest)
1034{
1035    // Create two in-memory caches atop a leveldb view.
1036    CCoinsViewDB base{{.path = "test", .cache_bytes = 8_MiB, .memory_only = true}, {}};
1037    std::vector<std::unique_ptr<CCoinsViewCacheTest>> caches;
1038    caches.push_back(std::make_unique<CCoinsViewCacheTest>(&base));
1039    caches.push_back(std::make_unique<CCoinsViewCacheTest>(caches.back().get()));
1040
1041    for (const auto& view : caches) {
1042        TestFlushBehavior(view.get(), base, caches, /*do_erasing_flush=*/false);
1043        TestFlushBehavior(view.get(), base, caches, /*do_erasing_flush=*/true);
1044    }
1045}
1046
1047BOOST_FIXTURE_TEST_CASE(coins_db_leveldb_layout, FlushTest)
1048{
1049    auto level2_files{[](CCoinsViewDB& base) {
1050        return *Assert(ToIntegral<int>(*Assert(base.GetDBProperty("leveldb.num-files-at-level2"))));
1051    }};
1052    const COutPoint outpoint{Txid::FromUint256(m_rng.rand256()), 0};
1053    const Coin coin{MakeCoin()};
1054    const uint256 block_hash{m_rng.rand256()};
1055
1056    CCoinsViewDB base{{.path = m_args.GetDataDirBase() / "coins_db_leveldb_layout", .cache_bytes = 1_MiB, .wipe_data = true}, {}};
1057    CCoinsViewCache cache{&base};
1058
1059    cache.EmplaceCoinInternalDANGER(COutPoint{outpoint}, Coin{coin});
1060    cache.SetBestBlock(block_hash);
1061    cache.Sync();
1062
1063    BOOST_CHECK_EQUAL(level2_files(base), 0);
1064    WITH_LOCK(::cs_main, return base.CompactFullAsync()).wait();
1065    BOOST_CHECK_EQUAL(level2_files(base), 1);
1066
1067    BOOST_CHECK_EQUAL(*Assert(base.GetCoin(outpoint)), coin);
1068    BOOST_CHECK_EQUAL(base.GetBestBlock(), block_hash);
1069}
1070
1071BOOST_AUTO_TEST_CASE(coins_resource_is_used)
1072{
1073    CCoinsMapMemoryResource resource;
1074    PoolResourceTester::CheckAllDataAccountedFor(resource);
1075
1076    {
1077        CCoinsMap map{0, CCoinsMap::hasher{}, CCoinsMap::key_equal{}, &resource};
1078        BOOST_TEST(memusage::DynamicUsage(map) >= resource.ChunkSizeBytes());
1079
1080        map.reserve(1000);
1081
1082        // The resource has preallocated a chunk, so we should have space for at several nodes without the need to allocate anything else.
1083        const auto usage_before = memusage::DynamicUsage(map);
1084
1085        COutPoint out_point{};
1086        for (size_t i = 0; i < 1000; ++i) {
1087            out_point.n = i;
1088            map[out_point];
1089        }
1090        BOOST_TEST(usage_before == memusage::DynamicUsage(map));
1091    }
1092
1093    PoolResourceTester::CheckAllDataAccountedFor(resource);
1094}
1095
1096BOOST_AUTO_TEST_CASE(ccoins_addcoin_exception_keeps_usage_balanced)
1097{
1098    CCoinsViewCacheTest cache{&CoinsViewEmpty::Get()};
1099
1100    const COutPoint outpoint{Txid::FromUint256(m_rng.rand256()), m_rng.rand32()};
1101
1102    const Coin coin1{CTxOut{m_rng.randrange(10), CScript{} << m_rng.randbytes(CScriptBase::STATIC_SIZE + 1)}, 1, false};
1103    cache.AddCoin(outpoint, Coin{coin1}, /*possible_overwrite=*/false);
1104    cache.SelfTest();
1105
1106    const Coin coin2{CTxOut{m_rng.randrange(20), CScript{} << m_rng.randbytes(CScriptBase::STATIC_SIZE + 2)}, 2, false};
1107    BOOST_CHECK_THROW(cache.AddCoin(outpoint, Coin{coin2}, /*possible_overwrite=*/false), std::logic_error);
1108    cache.SelfTest();
1109
1110    BOOST_CHECK_EQUAL(cache.AccessCoin(outpoint), coin1);
1111}
1112
1113BOOST_AUTO_TEST_CASE(ccoins_emplace_duplicate_keeps_usage_balanced)
1114{
1115    CCoinsViewCacheTest cache{&CoinsViewEmpty::Get()};
1116
1117    const COutPoint outpoint{Txid::FromUint256(m_rng.rand256()), m_rng.rand32()};
1118
1119    const Coin coin1{CTxOut{m_rng.randrange(10), CScript{} << m_rng.randbytes(CScriptBase::STATIC_SIZE + 1)}, 1, false};
1120    cache.EmplaceCoinInternalDANGER(outpoint, Coin{coin1});
1121    cache.SelfTest();
1122
1123    const Coin coin2{CTxOut{m_rng.randrange(20), CScript{} << m_rng.randbytes(CScriptBase::STATIC_SIZE + 2)}, 2, false};
1124    cache.EmplaceCoinInternalDANGER(outpoint, Coin{coin2});
1125    cache.SelfTest();
1126
1127    BOOST_CHECK_EQUAL(cache.AccessCoin(outpoint), coin1);
1128}
1129
1130BOOST_AUTO_TEST_CASE(ccoins_reset_guard)
1131{
1132    CCoinsViewTest root{m_rng};
1133    CCoinsViewCache root_cache{&root};
1134    uint256 base_best_block{m_rng.rand256()};
1135    root_cache.SetBestBlock(base_best_block);
1136    root_cache.Flush();
1137
1138    CCoinsViewCache cache{&root};
1139
1140    const COutPoint outpoint{Txid::FromUint256(m_rng.rand256()), m_rng.rand32()};
1141
1142    const Coin coin{CTxOut{m_rng.randrange(10), CScript{} << m_rng.randbytes(CScriptBase::STATIC_SIZE + 1)}, 1, false};
1143    cache.EmplaceCoinInternalDANGER(outpoint, Coin{coin});
1144    BOOST_CHECK_EQUAL(cache.GetDirtyCount(), 1U);
1145
1146    uint256 cache_best_block{m_rng.rand256()};
1147    cache.SetBestBlock(cache_best_block);
1148
1149    {
1150        const auto reset_guard{cache.CreateResetGuard()};
1151        BOOST_CHECK_EQUAL(cache.AccessCoin(outpoint), coin);
1152        BOOST_CHECK(!cache.AccessCoin(outpoint).IsSpent());
1153        BOOST_CHECK_EQUAL(cache.GetCacheSize(), 1);
1154        BOOST_CHECK_EQUAL(cache.GetDirtyCount(), 1);
1155        BOOST_CHECK_EQUAL(cache.GetBestBlock(), cache_best_block);
1156        BOOST_CHECK(!root_cache.HaveCoinInCache(outpoint));
1157    }
1158
1159    BOOST_CHECK(cache.AccessCoin(outpoint).IsSpent());
1160    BOOST_CHECK_EQUAL(cache.GetCacheSize(), 0);
1161    BOOST_CHECK_EQUAL(cache.GetDirtyCount(), 0);
1162    BOOST_CHECK_EQUAL(cache.GetBestBlock(), base_best_block);
1163    BOOST_CHECK(!root_cache.HaveCoinInCache(outpoint));
1164
1165    // Using a reset guard again is idempotent
1166    {
1167        const auto reset_guard{cache.CreateResetGuard()};
1168    }
1169
1170    BOOST_CHECK(cache.AccessCoin(outpoint).IsSpent());
1171    BOOST_CHECK_EQUAL(cache.GetCacheSize(), 0);
1172    BOOST_CHECK_EQUAL(cache.GetDirtyCount(), 0U);
1173    BOOST_CHECK_EQUAL(cache.GetBestBlock(), base_best_block);
1174    BOOST_CHECK(!root_cache.HaveCoinInCache(outpoint));
1175
1176    // Flush should be a no-op after reset.
1177    cache.Flush();
1178    BOOST_CHECK_EQUAL(cache.GetDirtyCount(), 0U);
1179}
1180
1181BOOST_AUTO_TEST_CASE(ccoins_peekcoin)
1182{
1183    CCoinsViewTest base{m_rng};
1184
1185    // Populate the base view with a coin.
1186    const COutPoint outpoint{Txid::FromUint256(m_rng.rand256()), m_rng.rand32()};
1187    const Coin coin{CTxOut{m_rng.randrange(10), CScript{}}, 1, false};
1188    {
1189        CCoinsViewCache cache{&base};
1190        cache.AddCoin(outpoint, Coin{coin}, /*possible_overwrite=*/false);
1191        cache.Flush();
1192    }
1193
1194    // Verify PeekCoin can read through the cache stack without mutating the intermediate cache.
1195    CCoinsViewCacheTest main_cache{&base};
1196    const auto fetched{main_cache.PeekCoin(outpoint)};
1197    BOOST_CHECK(fetched.has_value());
1198    BOOST_CHECK_EQUAL(*fetched, coin);
1199    BOOST_CHECK(!main_cache.HaveCoinInCache(outpoint));
1200}
1201
1202BOOST_AUTO_TEST_SUITE_END()
1203

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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 5

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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