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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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▤ coinselection_tests.cpp

▤ coinselector_tests.cpp

▤ db_tests.cpp

▤ feebumper_tests.cpp

▤ group_outputs_tests.cpp

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▤ init_test_fixture.h

▤ init_tests.cpp

▤ ismine_tests.cpp

▤ psbt_wallet_tests.cpp

▤ scriptpubkeyman_tests.cpp

▤ spend_tests.cpp

▤ util.cpp

▤ util.h

▤ wallet_crypto_tests.cpp

▤ wallet_rpc_tests.cpp

▤ wallet_test_fixture.cpp

▤ wallet_test_fixture.h

▤ wallet_tests.cpp

▤ wallet_transaction_tests.cpp

▤ walletdb_tests.cpp

▤ walletload_tests.cpp

▤ CMakeLists.txt

▤ coincontrol.cppGuide

▤ coincontrol.hGuide

▤ coinselection.cppGuide

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▤ interfaces.cppGuide

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bitcoin / src / wallet / test / coinselection_tests.cpp

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251    std::vector<OutputGroup> high_feerate_pool; // 25 sat/vB (greater than long_term_feerate of 10 sat/vB)
252    AddCoins(high_feerate_pool, {2 * CENT, 3 * CENT, 5 * CENT, 10 * CENT}, high_feerate_params);
253    TestBnBSuccess("Select one input at high feerates", high_feerate_pool, /*selection_target=*/10 * CENT, /*expected_input_amounts=*/{10 * CENT}, /*expected_attempts=*/5, high_feerate_params);
254
255    // Add heavy inputs {6, 7} to existing {2, 3, 5, 10}
256    low_feerate_pool.push_back(MakeCoin(6 * CENT, true, default_cs_params, /*custom_spending_vsize=*/500));
257    low_feerate_pool.push_back(MakeCoin(7 * CENT, true, default_cs_params, /*custom_spending_vsize=*/500));
258    TestBnBSuccess("Prefer two heavy inputs over two light inputs at low feerates", low_feerate_pool, /*selection_target=*/13 * CENT, /*expected_input_amounts=*/{6 * CENT, 7 * CENT}, /*expected_attempts=*/18, default_cs_params, /*custom_spending_vsize=*/500);
259
260    high_feerate_pool.push_back(MakeCoin(6 * CENT, true, high_feerate_params, /*custom_spending_vsize=*/500));
261    high_feerate_pool.push_back(MakeCoin(7 * CENT, true, high_feerate_params, /*custom_spending_vsize=*/500));
262    TestBnBSuccess("Prefer two light inputs over two heavy inputs at high feerates", high_feerate_pool, /*selection_target=*/13 * CENT, /*expected_input_amounts=*/{3 * CENT, 10 * CENT}, /*expected_attempts=*/9, high_feerate_params);
263}
264
265static void TestSRDSuccess(std::string test_title, std::vector<OutputGroup>& utxo_pool, const CAmount& selection_target, const CoinSelectionParams& cs_params = default_cs_params, const int max_selection_weight = MAX_STANDARD_TX_WEIGHT)
266{
267    CAmount expected_min_amount = selection_target + cs_params.m_change_fee + CHANGE_LOWER;
268
269    const auto result = SelectCoinsSRD(utxo_pool, selection_target, cs_params.m_change_fee, cs_params.rng_fast, max_selection_weight);
270    BOOST_CHECK_MESSAGE(result, "Falsy result in SRD-Success: " + test_title);
271    const CAmount selected_effective_value = result->GetSelectedEffectiveValue();
272    BOOST_CHECK_MESSAGE(selected_effective_value >= expected_min_amount, strprintf("Selected effective value is lower than expected in SRD-Success: %s. Expected %d, but got %d", test_title, expected_min_amount, selected_effective_value));
273    BOOST_CHECK_MESSAGE(result->GetWeight() <= max_selection_weight, strprintf("Selected weight is higher than permitted in SRD-Success: %s. Expected %d, but got %d", test_title, max_selection_weight, result->GetWeight()));
274}
275
276static void TestSRDFail(std::string test_title, std::vector<OutputGroup>& utxo_pool, const CAmount& selection_target, const CoinSelectionParams& cs_params = default_cs_params, int max_selection_weight = MAX_STANDARD_TX_WEIGHT, const bool expect_max_weight_exceeded = false)
277{
278    const auto result = SelectCoinsSRD(utxo_pool, selection_target, cs_params.m_change_fee, cs_params.rng_fast, max_selection_weight);
279    BOOST_CHECK_MESSAGE(!result, "SRD-Fail: " + test_title);
280    bool max_weight_exceeded = util::ErrorString(result).original.find("The inputs size exceeds the maximum weight") != std::string::npos;
281    BOOST_CHECK(expect_max_weight_exceeded == max_weight_exceeded);
282}
283
284BOOST_AUTO_TEST_CASE(srd_test)
285{
286    for (int feerate : FEERATES) {
287        std::vector<OutputGroup> utxo_pool;
288
289        const CoinSelectionParams cs_params = init_cs_params(feerate);
290
291        TestSRDFail("Empty UTXO pool", utxo_pool, /*selection_target=*/1 * CENT, cs_params);
292
293        AddCoins(utxo_pool, {1 * CENT, 3 * CENT, 5 * CENT}, cs_params);
294
295        TestSRDSuccess("Select 21k sats", utxo_pool, /*selection_target=*/21'000, cs_params);
296        TestSRDSuccess("Select 1 CENT", utxo_pool, /*selection_target=*/1 * CENT, cs_params);
297        TestSRDSuccess("Select 3.125 CENT", utxo_pool, /*selection_target=*/3'125'000, cs_params);
298        TestSRDSuccess("Select 4 CENT", utxo_pool, /*selection_target=*/4 * CENT, cs_params);
299        TestSRDSuccess("Select 7 CENT", utxo_pool, /*selection_target=*/7 * CENT, cs_params);
300
301        // The minimum change amount for SRD is the feerate dependent `change_fee` plus CHANGE_LOWER
302        TestSRDSuccess("Create minimum change", utxo_pool, /*selection_target=*/9 * CENT - cs_params.m_change_fee - CHANGE_LOWER, cs_params);
303        TestSRDFail("Undershoot minimum change by one sat", utxo_pool, /*selection_target=*/9 * CENT - cs_params.m_change_fee - CHANGE_LOWER + 1, cs_params);
304        TestSRDFail("Spend more than available", utxo_pool, /*selection_target=*/9 * CENT + 1, cs_params);
305        TestSRDFail("Spend everything", utxo_pool, /*selection_target=*/9 * CENT, cs_params);
306
307        AddDuplicateCoins(utxo_pool, /*count=*/100, /*amount=*/5 * CENT, cs_params);
308        AddDuplicateCoins(utxo_pool, /*count=*/3, /*amount=*/7 * CENT, cs_params);
309        TestSRDSuccess("Select most valuable UTXOs for acceptable weight", utxo_pool, /*selection_target=*/20 * CENT, cs_params, /*max_selection_weight=*/4 * 4 * (P2WPKH_INPUT_VSIZE - 1 ));
310        TestSRDFail("No acceptable weight possible", utxo_pool, /*selection_target=*/25 * CENT, cs_params, /*max_selection_weight=*/4 * 3 * P2WPKH_INPUT_VSIZE, /*expect_max_weight_exceeded=*/true);
311
312        // Create UTXO pool with UTXOs of same effective value but different weights
313        std::vector<OutputGroup> mixed_weight_pool;
314        AddDuplicateCoins(mixed_weight_pool, /*count=*/100, /*amount=*/5 * CENT, cs_params);
315        mixed_weight_pool.push_back(MakeCoin(5 * CENT, true, cs_params, /*custom_spending_vsize=*/P2WPKH_INPUT_VSIZE - 1));
316        TestSRDSuccess("Tie-break same effective value with lower weight", utxo_pool, /*selection_target=*/9 * CENT, cs_params,
317        /*max_selection_weight=*/4 * 3 * (P2WPKH_INPUT_VSIZE - 1));
318    }
319}
320
321BOOST_AUTO_TEST_SUITE_END()
322} // namespace wallet
323

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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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