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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

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▤ blockencodings_tests.cpp

▤ blockfilter_index_tests.cpp

▤ blockfilter_tests.cpp

▤ blockmanager_tests.cpp

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▤ btcsignals_tests.cpp

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bitcoin / src / test / validation_chainstatemanager_tests.cpp

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251        {
252            LOCK(::cs_main);
253            CCoinsViewCache& ibd_coinscache = chainman.ActiveChainstate().CoinsTip();
254            initial_size = ibd_coinscache.GetCacheSize();
255            size_t total_coins{0};
256
257            for (CTransactionRef& txn : m_coinbase_txns) {
258                COutPoint op{txn->GetHash(), 0};
259                BOOST_CHECK(ibd_coinscache.HaveCoin(op));
260                total_coins++;
261            }
262
263            BOOST_CHECK_EQUAL(total_coins, initial_total_coins);
264            BOOST_CHECK_EQUAL(initial_size, initial_total_coins);
265        }
266
267        Chainstate& validation_chainstate = chainman.ActiveChainstate();
268
269        // Snapshot should refuse to load at this height.
270        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(this));
271        BOOST_CHECK(!chainman.ActiveChainstate().m_from_snapshot_blockhash);
272
273        // Mine 10 more blocks, putting at us height 110 where a valid assumeutxo value can
274        // be found.
275        constexpr int snapshot_height = 110;
276        mineBlocks(10);
277        initial_size += 10;
278        initial_total_coins += 10;
279
280        // Should not load malleated snapshots
281        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
282            this, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
283                // A UTXO is missing but count is correct
284                metadata.m_coins_count -= 1;
285
286                Txid txid;
287                auto_infile >> txid;
288                // coins size
289                (void)ReadCompactSize(auto_infile);
290                // vout index
291                (void)ReadCompactSize(auto_infile);
292                Coin coin;
293                auto_infile >> coin;
294        }));
295
296        BOOST_CHECK(!node::FindAssumeutxoChainstateDir(chainman.m_options.datadir));
297
298        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
299            this, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
300                // Coins count is larger than coins in file
301                metadata.m_coins_count += 1;
302        }));
303        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
304            this, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
305                // Coins count is smaller than coins in file
306                metadata.m_coins_count -= 1;
307        }));
308        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
309            this, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
310                // Wrong hash
311                metadata.m_base_blockhash = uint256::ZERO;
312        }));
313        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(
314            this, [](AutoFile& auto_infile, SnapshotMetadata& metadata) {
315                // Wrong hash
316                metadata.m_base_blockhash = uint256::ONE;
317        }));
318
319        BOOST_REQUIRE(CreateAndActivateUTXOSnapshot(this));
320        BOOST_CHECK(fs::exists(*node::FindAssumeutxoChainstateDir(chainman.m_options.datadir)));
321
322        // Ensure our active chain is the snapshot chainstate.
323        BOOST_CHECK(!chainman.ActiveChainstate().m_from_snapshot_blockhash->IsNull());
324
325        Chainstate& snapshot_chainstate = chainman.ActiveChainstate();
326
327        {
328            LOCK(::cs_main);
329
330            fs::path found = *node::FindAssumeutxoChainstateDir(chainman.m_options.datadir);
331
332            // Note: WriteSnapshotBaseBlockhash() is implicitly tested above.
333            BOOST_CHECK_EQUAL(
334                *node::ReadSnapshotBaseBlockhash(found),
335                *Assert(chainman.CurrentChainstate().m_from_snapshot_blockhash));
336        }
337
338        const auto& au_data = ::Params().AssumeutxoForHeight(snapshot_height);
339        const CBlockIndex* tip = WITH_LOCK(chainman.GetMutex(), return chainman.ActiveTip());
340
341        BOOST_CHECK_EQUAL(tip->m_chain_tx_count, au_data->m_chain_tx_count);
342
343        // To be checked against later when we try loading a subsequent snapshot.
344        uint256 loaded_snapshot_blockhash{*Assert(WITH_LOCK(chainman.GetMutex(), return chainman.CurrentChainstate().m_from_snapshot_blockhash))};
345
346        // Make some assertions about the both chainstates. These checks ensure the
347        // legacy chainstate hasn't changed and that the newly created chainstate
348        // reflects the expected content.
349        {
350            LOCK(::cs_main);
351            int chains_tested{0};
352
353            for (const auto& chainstate : chainman.m_chainstates) {
354                BOOST_TEST_MESSAGE("Checking coins in " << chainstate->ToString());
355                CCoinsViewCache& coinscache = chainstate->CoinsTip();
356
357                // Both caches will be empty initially.
358                BOOST_CHECK_EQUAL((unsigned int)0, coinscache.GetCacheSize());
359
360                size_t total_coins{0};
361
362                for (CTransactionRef& txn : m_coinbase_txns) {
363                    COutPoint op{txn->GetHash(), 0};
364                    BOOST_CHECK(coinscache.HaveCoin(op));
365                    total_coins++;
366                }
367
368                BOOST_CHECK_EQUAL(initial_size , coinscache.GetCacheSize());
369                BOOST_CHECK_EQUAL(total_coins, initial_total_coins);
370                chains_tested++;
371            }
372
373            BOOST_CHECK_EQUAL(chains_tested, 2);
374        }
375
376        // Mine some new blocks on top of the activated snapshot chainstate.
377        constexpr size_t new_coins{100};
378        mineBlocks(new_coins);  // Defined in TestChain100Setup.
379
380        {
381            LOCK(::cs_main);
382            size_t coins_in_active{0};
383            size_t coins_in_background{0};
384            size_t coins_missing_from_background{0};
385
386            for (const auto& chainstate : chainman.m_chainstates) {
387                BOOST_TEST_MESSAGE("Checking coins in " << chainstate->ToString());
388                CCoinsViewCache& coinscache = chainstate->CoinsTip();
389                bool is_background = chainstate.get() != &chainman.ActiveChainstate();
390
391                for (CTransactionRef& txn : m_coinbase_txns) {
392                    COutPoint op{txn->GetHash(), 0};
393                    if (coinscache.HaveCoin(op)) {
394                        (is_background ? coins_in_background : coins_in_active)++;
395                    } else if (is_background) {
396                        coins_missing_from_background++;
397                    }
398                }
399            }
400
401            BOOST_CHECK_EQUAL(coins_in_active, initial_total_coins + new_coins);
402            BOOST_CHECK_EQUAL(coins_in_background, initial_total_coins);
403            BOOST_CHECK_EQUAL(coins_missing_from_background, new_coins);
404        }
405
406        // Snapshot should refuse to load after one has already loaded.
407        BOOST_REQUIRE(!CreateAndActivateUTXOSnapshot(this));
408
409        // Snapshot blockhash should be unchanged.
410        BOOST_CHECK_EQUAL(
411            *chainman.ActiveChainstate().m_from_snapshot_blockhash,
412            loaded_snapshot_blockhash);
413        return std::make_tuple(&validation_chainstate, &snapshot_chainstate);
414    }
415
416    // Simulate a restart of the node by flushing all state to disk, clearing the
417    // existing ChainstateManager, and unloading the block index.
418    //
419    // @returns a reference to the "restarted" ChainstateManager
420    ChainstateManager& SimulateNodeRestart()
421    {
422        ChainstateManager& chainman = *Assert(m_node.chainman);
423
424        BOOST_TEST_MESSAGE("Simulating node restart");
425        {
426            LOCK(chainman.GetMutex());
427            for (const auto& cs : chainman.m_chainstates) {
428                if (cs->CanFlushToDisk()) cs->ForceFlushStateToDisk();
429            }
430        }
431        {
432            // Process all callbacks referring to the old manager before wiping it.
433            m_node.validation_signals->SyncWithValidationInterfaceQueue();
434            LOCK(::cs_main);
435            chainman.ResetChainstates();
436            BOOST_CHECK_EQUAL(chainman.m_chainstates.size(), 0);
437            m_node.notifications = std::make_unique<KernelNotifications>(Assert(m_node.shutdown_request), m_node.exit_status, *Assert(m_node.warnings));
438            const ChainstateManager::Options chainman_opts{
439                .chainparams = ::Params(),
440                .datadir = chainman.m_options.datadir,
441                .notifications = *m_node.notifications,
442                .signals = m_node.validation_signals.get(),
443            };
444            const BlockManager::Options blockman_opts{
445                .chainparams = chainman_opts.chainparams,
446                .blocks_dir = m_args.GetBlocksDirPath(),
447                .notifications = chainman_opts.notifications,
448                .block_tree_db_params = DBParams{
449                    .path = chainman.m_options.datadir / "blocks" / "index",
450                    .cache_bytes = m_kernel_cache_sizes.block_tree_db,
451                    .memory_only = m_block_tree_db_in_memory,
452                },
453            };
454            // For robustness, ensure the old manager is destroyed before creating a
455            // new one.
456            m_node.chainman.reset();
457            m_node.chainman = std::make_unique<ChainstateManager>(*Assert(m_node.shutdown_signal), chainman_opts, blockman_opts);
458        }
459        return *Assert(m_node.chainman);
460    }
461};
462
463//! Test basic snapshot activation.
464BOOST_FIXTURE_TEST_CASE(chainstatemanager_activate_snapshot, SnapshotTestSetup)
465{
466    this->SetupSnapshot();
467}
468
469//! Test LoadBlockIndex behavior when multiple chainstates are in use.
470//!
471//! - First, verify that setBlockIndexCandidates is as expected when using a single,
472//!   fully-validating chainstate.
473//!
474//! - Then mark a region of the chain as missing data and introduce a second chainstate
475//!   that will tolerate assumed-valid blocks. Run LoadBlockIndex() and ensure that the first
476//!   chainstate only contains fully validated blocks and the other chainstate contains all blocks,
477//!   except those marked assume-valid, because those entries don't HAVE_DATA.
478//!
479BOOST_FIXTURE_TEST_CASE(chainstatemanager_loadblockindex, TestChain100Setup)
480{
481    ChainstateManager& chainman = *Assert(m_node.chainman);
482    Chainstate& cs1 = chainman.ActiveChainstate();
483
484    int num_indexes{0};
485    // Blocks in range [assumed_valid_start_idx, last_assumed_valid_idx) will be
486    // marked as assumed-valid and not having data.
487    const int expected_assumed_valid{20};
488    const int last_assumed_valid_idx{111};
489    const int assumed_valid_start_idx = last_assumed_valid_idx - expected_assumed_valid;
490
491    // Mine to height 120, past the hardcoded regtest assumeutxo snapshot at
492    // height 110
493    mineBlocks(20);
494
495    CBlockIndex* validated_tip{nullptr};
496    CBlockIndex* assumed_base{nullptr};
497    CBlockIndex* assumed_tip{WITH_LOCK(chainman.GetMutex(), return chainman.ActiveChain().Tip())};
498    BOOST_CHECK_EQUAL(assumed_tip->nHeight, 120);
499
500    auto reload_all_block_indexes = [&]() {

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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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