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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

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bitcoin / bitcoinstable

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▤ allocator_tests.cpp

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bitcoin / src / test / mempool_fee_estimator_tests.cpp

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17,372 bytes · SHA-256 14eca25961bbc72b… · View upstream ↗

251        BOOST_REQUIRE(result.has_value());
252        BOOST_CHECK(result->feerate == floor);
253        BOOST_CHECK(result->feerate_estimator == FeeRateEstimatorType::MEMPOOL_POLICY);
254        BOOST_CHECK_EQUAL(result->returned_target, MEMPOOL_FEE_ESTIMATOR_MAX_TARGET);
255
256        // The floor estimate is cached like any other; a second call returns the same value.
257        const auto cached_result = mempool_estimator.EstimateFeeRate(/*conservative=*/true);
258        BOOST_REQUIRE(cached_result.has_value());
259        BOOST_CHECK(cached_result->feerate == floor);
260    }
261    TestMemPoolEntryHelper entry;
262    const auto tx_vsize = entry.FromTx(MakeRandomTx()).GetTxSize();
263    const CAmount low_fee{CENT / 3000};
264    const CAmount med_fee{CENT / 100};
265    const CAmount high_fee{CENT / 10};
266    const CAmount very_high_fee{CENT};
267    // A mempool that cannot fill 50% of a block leaves both percentiles empty,
268    // so both estimate still fall back to the floor.
269    {
270        // Add high_fee transactions until mempool weight exceeds 25% of DEFAULT_BLOCK_MAX_WEIGHT.
271        {
272            LOCK2(cs_main, m_node.mempool->cs);
273            while ((m_node.mempool->GetTotalTxSize() * WITNESS_SCALE_FACTOR) <= (DEFAULT_BLOCK_MAX_WEIGHT * 25 / 100)) {
274                TryAddToMempool(*m_node.mempool, entry.Fee(high_fee).FromTx(MakeRandomTx()));
275            }
276        }
277        // Expire the cached floor estimate so the denser mempool is observed.
278        SetMockTime(GetTime<std::chrono::seconds>() + CACHE_LIFE + std::chrono::seconds{1});
279        const auto result = mempool_estimator.EstimateFeeRate(/*conservative=*/true);
280        BOOST_REQUIRE(result.has_value());
281        BOOST_CHECK(result->feerate == floor);
282    }
283    // A mempool that fills 50% of a block but not 75% has a conservative (p50)
284    // estimate, while the economical (p75) estimate falls back to the floor.
285    {
286        // Add med_fee transactions until mempool weight exceeds 50% of DEFAULT_BLOCK_MAX_WEIGHT.
287        {
288            LOCK2(cs_main, m_node.mempool->cs);
289            while ((m_node.mempool->GetTotalTxSize() * WITNESS_SCALE_FACTOR) <= (DEFAULT_BLOCK_MAX_WEIGHT * 50 / 100)) {
290                TryAddToMempool(*m_node.mempool, entry.Fee(med_fee).FromTx(MakeRandomTx()));
291            }
292        }
293        SetMockTime(GetTime<std::chrono::seconds>() + CACHE_LIFE + std::chrono::seconds{1});
294        const auto conservative = mempool_estimator.EstimateFeeRate(/*conservative=*/true);
295        const auto economical = mempool_estimator.EstimateFeeRate(/*conservative=*/false);
296        BOOST_REQUIRE(conservative.has_value());
297        BOOST_REQUIRE(economical.has_value());
298        BOOST_CHECK(conservative->feerate == FeeFrac(med_fee, tx_vsize));
299        BOOST_CHECK(economical->feerate == floor);
300    }
301    // Mempool transactions are enough to provide both feerate estimates.
302    {
303        // Add low_fee transactions until mempool transactions weight
304        // is enough to reach the 75% coverage requirement
305        {
306            LOCK2(cs_main, m_node.mempool->cs);
307            while ((m_node.mempool->GetTotalTxSize() * WITNESS_SCALE_FACTOR) <= (DEFAULT_BLOCK_MAX_WEIGHT * 75 / 100)) {
308                TryAddToMempool(*m_node.mempool, entry.Fee(low_fee).FromTx(MakeRandomTx()));
309            }
310        }
311        // Expire the sparse-result cache before expecting the estimator to observe the denser mempool.
312        SetMockTime(GetTime<std::chrono::seconds>() + CACHE_LIFE + std::chrono::seconds{1});
313        const auto result_conservative = mempool_estimator.EstimateFeeRate(/*conservative=*/true);
314        const auto result_economical = mempool_estimator.EstimateFeeRate(/*conservative=*/false);
315        BOOST_CHECK(result_conservative.has_value());
316        BOOST_CHECK(result_economical.has_value());
317        BOOST_CHECK(result_economical->feerate == FeeFrac(low_fee, tx_vsize));
318        BOOST_CHECK(result_conservative->feerate == FeeFrac(med_fee, tx_vsize));
319        BOOST_CHECK(ByRatio{result_conservative->feerate} > ByRatio{result_economical->feerate});
320        BOOST_CHECK(result_conservative->feerate_estimator == FeeRateEstimatorType::MEMPOOL_POLICY);
321        BOOST_CHECK(result_economical->feerate_estimator == FeeRateEstimatorType::MEMPOOL_POLICY);
322        BOOST_CHECK_EQUAL(result_conservative->returned_target, MEMPOOL_FEE_ESTIMATOR_MAX_TARGET);
323        BOOST_CHECK_EQUAL(result_economical->returned_target, MEMPOOL_FEE_ESTIMATOR_MAX_TARGET);
324
325        // Adding another 30% of very-high-fee transactions should change the
326        // estimates after recomputation, but not while the cached estimate is fresh.
327        {
328            LOCK2(cs_main, m_node.mempool->cs);
329            while ((m_node.mempool->GetTotalTxSize() * WITNESS_SCALE_FACTOR) <=
330                   (DEFAULT_BLOCK_MAX_WEIGHT * 105 / 100)) {
331                TryAddToMempool(*m_node.mempool, entry.Fee(very_high_fee).FromTx(MakeRandomTx()));
332            }
333        }
334        BOOST_CHECK(mempool_estimator.EstimateFeeRate(/*conservative=*/false).value().feerate == FeeFrac(low_fee, tx_vsize));
335        BOOST_CHECK(mempool_estimator.EstimateFeeRate(/*conservative=*/true).value().feerate == FeeFrac(med_fee, tx_vsize));
336        // Expire the cache by advancing mock time past CACHE_LIFE so the next call recomputes.
337        SetMockTime(GetTime<std::chrono::seconds>() + CACHE_LIFE + std::chrono::seconds{1});
338        BOOST_CHECK(mempool_estimator.EstimateFeeRate(/*conservative=*/false).value().feerate == FeeFrac(med_fee, tx_vsize));
339        BOOST_CHECK(mempool_estimator.EstimateFeeRate(/*conservative=*/true).value().feerate == FeeFrac(high_fee, tx_vsize));
340    }
341}
342
343BOOST_AUTO_TEST_SUITE_END()
344

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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 2

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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