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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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▤ addition_overflow.cpp

▤ base_encode_decode.cpp

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▤ crypto_aes256cbc.cpp

▤ crypto_chacha20.cpp

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▤ FuzzedDataProvider.h

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▤ secp256k1_ec_seckey_import_export_der.cpp

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▤ signature_checker.cpp

▤ utxo_total_supply.cpp

▤ validation_load_mempool.cpp

▤ allocator_tests.cpp

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▤ baseindex_tests.cpp

▤ blockchain_tests.cpp

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▤ bswap_tests.cpp

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▤ txpackage_tests.cpp

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bitcoin / src / test / fuzz / txgraph.cpp

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1251        // The last chunk returned by the BlockBuilder must match GetWorstMainChunk, in reverse.
1252        std::reverse(last_chunk.begin(), last_chunk.end());
1253        auto [worst_chunk, worst_chunk_feerate] = real->GetWorstMainChunk();
1254        assert(last_chunk == worst_chunk);
1255        assert(last_chunk_feerate == worst_chunk_feerate);
1256
1257        // Check that the implied ordering gives rise to a combined diagram that matches the
1258        // diagram constructed from the individual cluster linearization chunkings.
1259        auto main_real_diagram = get_diagram_fn(TxGraph::Level::MAIN);
1260        auto main_implied_diagram = ChunkLinearization(sims[0].graph, vec1);
1261        assert(CompareChunks(main_real_diagram, main_implied_diagram) == 0);
1262
1263        if (sims.size() >= 2 && !sims[1].IsOversized()) {
1264            // When the staging graph is not oversized as well, call GetMainStagingDiagrams, and
1265            // fully verify the result.
1266            auto [main_cmp_diagram, stage_cmp_diagram] = real->GetMainStagingDiagrams();
1267            // Check that the feerates in each diagram are monotonically decreasing.
1268            for (size_t i = 1; i < main_cmp_diagram.size(); ++i) {
1269                assert(ByRatio{main_cmp_diagram[i]} <= ByRatio{main_cmp_diagram[i - 1]});
1270            }
1271            for (size_t i = 1; i < stage_cmp_diagram.size(); ++i) {
1272                assert(ByRatio{stage_cmp_diagram[i]} <= ByRatio{stage_cmp_diagram[i - 1]});
1273            }
1274            // Treat the diagrams as sets of chunk feerates, and sort them in the same way so that
1275            // std::set_difference can be used on them below. The exact ordering does not matter
1276            // here, but it has to be consistent with the one used in main_real_diagram and
1277            // stage_real_diagram).
1278            std::ranges::sort(main_cmp_diagram, std::greater<ByRatioNegSize<FeeFrac>>{});
1279            std::ranges::sort(stage_cmp_diagram, std::greater<ByRatioNegSize<FeeFrac>>{});
1280            // Find the chunks that appear in main_diagram but are missing from main_cmp_diagram.
1281            // This is allowed, because GetMainStagingDiagrams omits clusters in main unaffected
1282            // by staging.
1283            std::vector<FeeFrac> missing_main_cmp;
1284            std::set_difference(main_real_diagram.begin(), main_real_diagram.end(),
1285                                main_cmp_diagram.begin(), main_cmp_diagram.end(),
1286                                std::inserter(missing_main_cmp, missing_main_cmp.end()),
1287                                std::greater<ByRatioNegSize<FeeFrac>>{});
1288            assert(main_cmp_diagram.size() + missing_main_cmp.size() == main_real_diagram.size());
1289            // Do the same for chunks in stage_diagram missing from stage_cmp_diagram.
1290            auto stage_real_diagram = get_diagram_fn(TxGraph::Level::TOP);
1291            std::vector<FeeFrac> missing_stage_cmp;
1292            std::set_difference(stage_real_diagram.begin(), stage_real_diagram.end(),
1293                                stage_cmp_diagram.begin(), stage_cmp_diagram.end(),
1294                                std::inserter(missing_stage_cmp, missing_stage_cmp.end()),
1295                                std::greater<ByRatioNegSize<FeeFrac>>{});
1296            assert(stage_cmp_diagram.size() + missing_stage_cmp.size() == stage_real_diagram.size());
1297            // The missing chunks must be equal across main & staging (otherwise they couldn't have
1298            // been omitted).
1299            assert(missing_main_cmp == missing_stage_cmp);
1300
1301            // The missing part must include at least all transactions in staging which have not been
1302            // modified, or been in a cluster together with modified transactions, since they were
1303            // copied from main. Note that due to the reordering of removals w.r.t. dependency
1304            // additions, it is possible that the real implementation found more unaffected things.
1305            FeeFrac missing_real;
1306            for (const auto& feerate : missing_main_cmp) missing_real += feerate;
1307            FeeFrac missing_expected = sims[1].graph.FeeRate(sims[1].graph.Positions() - sims[1].modified);
1308            // Note that missing_real.fee < missing_expected.fee is possible to due the presence of
1309            // negative-fee transactions.
1310            assert(missing_real.size >= missing_expected.size);
1311        }
1312    }
1313
1314    assert(real->HaveStaging() == (sims.size() > 1));
1315
1316    // Try to run a full comparison, for both TxGraph::Level::MAIN and TxGraph::Level::TOP in
1317    // TxGraph inspector functions that support both.
1318    for (auto level : {TxGraph::Level::TOP, TxGraph::Level::MAIN}) {
1319        auto& sim = level == TxGraph::Level::TOP ? sims.back() : sims.front();
1320        // Compare simple properties of the graph with the simulation.
1321        assert(real->IsOversized(level) == sim.IsOversized());
1322        assert(real->GetTransactionCount(level) == sim.GetTransactionCount());
1323        // If the graph (and the simulation) are not oversized, perform a full comparison.
1324        if (!sim.IsOversized()) {
1325            auto todo = sim.graph.Positions();
1326            // Iterate over all connected components of the resulting (simulated) graph, each of which
1327            // should correspond to a cluster in the real one.
1328            while (todo.Any()) {
1329                auto component = sim.graph.FindConnectedComponent(todo);
1330                todo -= component;
1331                // Iterate over the transactions in that component.
1332                for (auto i : component) {
1333                    // Check its individual feerate against simulation.
1334                    assert(sim.graph.FeeRate(i) == real->GetIndividualFeerate(*sim.GetRef(i)));
1335                    // Check its ancestors against simulation.
1336                    auto expect_anc = sim.graph.Ancestors(i);
1337                    auto anc = sim.MakeSet(real->GetAncestors(*sim.GetRef(i), level));
1338                    assert(anc.Count() <= max_cluster_count);
1339                    assert(anc == expect_anc);
1340                    // Check its descendants against simulation.
1341                    auto expect_desc = sim.graph.Descendants(i);
1342                    auto desc = sim.MakeSet(real->GetDescendants(*sim.GetRef(i), level));
1343                    assert(desc.Count() <= max_cluster_count);
1344                    assert(desc == expect_desc);
1345                    // Check the cluster the transaction is part of.
1346                    auto cluster = real->GetCluster(*sim.GetRef(i), level);
1347                    assert(cluster.size() <= max_cluster_count);
1348                    assert(sim.MakeSet(cluster) == component);
1349                    // Check that the cluster is reported in a valid topological order (its
1350                    // linearization).
1351                    std::vector<DepGraphIndex> simlin;
1352                    SimTxGraph::SetType done;
1353                    uint64_t total_size{0};
1354                    for (TxGraph::Ref* ptr : cluster) {
1355                        auto simpos = sim.Find(ptr);
1356                        assert(sim.graph.Descendants(simpos).IsSubsetOf(component - done));
1357                        done.Set(simpos);
1358                        assert(sim.graph.Ancestors(simpos).IsSubsetOf(done));
1359                        simlin.push_back(simpos);
1360                        total_size += sim.graph.FeeRate(simpos).size;
1361                    }
1362                    // Check cluster size.
1363                    assert(total_size <= max_cluster_size);
1364                    // Construct a chunking object for the simulated graph, using the reported cluster
1365                    // linearization as ordering, and compare it against the reported chunk feerates.
1366                    if (sims.size() == 1 || level == TxGraph::Level::MAIN) {
1367                        auto simlinchunk = ChunkLinearizationInfo(sim.graph, simlin);
1368                        DepGraphIndex idx{0};
1369                        for (auto& chunk : simlinchunk) {
1370                            // Require that the chunks of cluster linearizations are connected (this must
1371                            // be the case as all linearizations inside are PostLinearized).
1372                            assert(sim.graph.IsConnected(chunk.transactions));
1373                            // Check the chunk feerates of all transactions in the cluster.
1374                            while (chunk.transactions.Any()) {
1375                                assert(chunk.transactions[simlin[idx]]);
1376                                chunk.transactions.Reset(simlin[idx]);
1377                                assert(chunk.feerate == real->GetMainChunkFeerate(*cluster[idx]));
1378                                ++idx;
1379                            }
1380                        }
1381                    }
1382                }
1383            }
1384        }
1385    }
1386
1387    // Sanity check again (because invoking inspectors may modify internal unobservable state).
1388    real->SanityCheck();
1389
1390    // Kill the block builders.
1391    block_builders.clear();
1392    // Kill the TxGraph object.
1393    real.reset();
1394    // Kill the simulated graphs, with all remaining Refs in it. If any, this verifies that Refs
1395    // can outlive the TxGraph that created them.
1396    sims.clear();
1397}
1398

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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 6

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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