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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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1// Copyright (c) 2012-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#include <bench/bench.h>
6#include <consensus/amount.h>
7#include <outputtype.h>
8#include <policy/feerate.h>
9#include <policy/policy.h>
10#include <primitives/transaction.h>
11#include <random.h>
12#include <sync.h>
13#include <test/util/setup_common.h>
14#include <util/check.h>
15#include <util/result.h>
16#include <wallet/coinselection.h>
17#include <wallet/spend.h>
18#include <wallet/sqlite.h>
19#include <wallet/transaction.h>
20#include <wallet/wallet.h>
21
22#include <cstddef>
23#include <cstdint>
24#include <map>
25#include <memory>
26#include <optional>
27#include <string>
28#include <utility>
29#include <vector>
30
31namespace wallet {
32static void addCoin(const CAmount& nValue, std::vector<std::unique_ptr<CWalletTx>>& wtxs)
33{
34    static int nextLockTime = 0;
35    CMutableTransaction tx;
36    tx.nLockTime = nextLockTime++; // so all transactions get different hashes
37    tx.vout.resize(1);
38    tx.vout[0].nValue = nValue;
39    wtxs.push_back(std::make_unique<CWalletTx>(MakeTransactionRef(std::move(tx)), TxStateInactive{}));
40}
41
42// This benchmark is based on a large diverse UTXO pool. The UTXOs are
43// pseudorandomly generated and assigned one of the four relevant output types
44// P2PKH, P2SH-P2WPKH, P2WPKH, and P2TR UTXOs.
45// Smaller amounts are more likely to be generated than larger amounts. This
46// UTXO pool is used to run coin selection for pseudorandom selection targets.
47// Altogether, this gives us a deterministic benchmark with a somewhat
48// representative coin selection scenario.
49static void CoinSelection(benchmark::Bench& bench)
50{
51    const auto test_setup = MakeNoLogFileContext<TestingSetup>();
52    CWallet wallet(test_setup->m_node.chain.get(), "", MakeInMemoryWalletDatabase());
53    std::vector<std::unique_ptr<CWalletTx>> wtxs;
54    LOCK(wallet.cs_wallet);
55
56    // Keep selection deterministic for benchmark stability
57    FastRandomContext det_rand{/*fDeterministic=*/true};
58
59    // Generate coin amounts biased towards smaller amounts
60    for (int i = 0; i < 400; ++i) {
61        CAmount amount;
62        int p{det_rand.randrange(100)};
63        if (p < 50) {
64            amount = 10'000 + det_rand.randrange(90'000);
65        } else if (p < 75) {
66            amount = 100'000 + det_rand.randrange(900'000);
67        } else if (p < 95) {
68            amount = 1'000'000 + det_rand.randrange(9'000'000);
69        } else {
70            amount = 10'000'000 + det_rand.randrange(90'000'000);
71        }
72        addCoin(amount, wtxs);
73    }
74
75    // Create coins from the amounts assigning them various output types
76    wallet::CoinsResult available_coins;
77    for (const auto& wtx : wtxs) {
78        const auto txout = wtx->GetTx()->vout.at(0);
79        OutputType outtype;
80        int input_bytes;
81        int y{det_rand.randrange(100)};
82        if (y < 35) {
83            outtype = OutputType::LEGACY;
84            input_bytes = 148;
85        } else if (y < 55) {
86            outtype = OutputType::P2SH_SEGWIT;
87            input_bytes = 91;
88        } else if (y < 90) {
89            outtype = OutputType::BECH32;
90            input_bytes = 68;
91        } else {
92            outtype = OutputType::BECH32M;
93            input_bytes = 58;
94        }
95        CAmount fees = 20 * input_bytes;
96        available_coins.coins[outtype].emplace_back(COutPoint(wtx->GetHash(), 0), txout, /*depth=*/6 * 24, /*input_bytes=*/input_bytes, /*solvable=*/true, /*safe=*/true, wtx->GetTxTime(), /*from_me=*/true, /*fees=*/fees);
97    }
98
99    const CoinEligibilityFilter filter_standard(/*conf_mine=*/1, /*conf_theirs=*/6, /*max_ancestors=*/0);
100
101    constexpr size_t NUM_TARGETS{10};
102    std::vector<CAmount> targets;
103    targets.reserve(NUM_TARGETS);
104    for (size_t i{0}; i < NUM_TARGETS; ++i) {
105        targets.push_back(10'000'000 + det_rand.randrange(90'000'000));
106    }
107
108    std::optional<FastRandomContext> rng;
109    std::optional<CoinSelectionParams> params;
110    std::vector<wallet::OutputGroupTypeMap> groups;
111    bench.batch(NUM_TARGETS).unit("selection").epochIterations(1)
112        .setup([&] {
113            rng.emplace(/*fDeterministic=*/true);
114            params.emplace(*rng);
115
116            params->change_output_size = 31;
117            params->change_spend_size = 68;
118            params->m_min_change_target = CHANGE_LOWER;
119            params->m_effective_feerate = CFeeRate{20'000};
120            params->m_long_term_feerate = CFeeRate{10'000};
121            params->m_discard_feerate = CFeeRate{3000};
122            params->tx_noinputs_size = 72;
123            params->m_avoid_partial_spends = false;
124
125            params->m_change_fee = params->m_effective_feerate.GetFee(params->change_output_size);
126            params->min_viable_change = params->m_discard_feerate.GetFee(params->change_spend_size);
127            params->m_cost_of_change = params->min_viable_change + params->m_change_fee;
128
129            groups.assign(NUM_TARGETS, wallet::GroupOutputs(wallet, available_coins, *params, {{filter_standard}})[filter_standard]);
130        })
131        .run([&] {
132            for (size_t i{0}; i < NUM_TARGETS; ++i) {
133                auto result{AttemptSelection(wallet.chain(), targets[i], groups[i], *params, /*allow_mixed_output_types=*/true)};
134                assert(result && result->GetSelectedValue() >= targets[i]);
135            }
136        });
137}
138
139static void add_coin(const CAmount& nValue, uint32_t nInput, std::vector<OutputGroup>& set)
140{
141    CMutableTransaction tx;
142    tx.vout.resize(nInput + 1);
143    tx.vout[nInput].nValue = nValue;
144    COutput output(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/0, /*input_bytes=*/-1, /*solvable=*/true, /*safe=*/true, /*time=*/0, /*from_me=*/true, /*fees=*/0);
145    set.emplace_back();
146    set.back().Insert(std::make_shared<COutput>(output), /*ancestors=*/0, /*cluster_count=*/0);
147}
148
149static CAmount make_hard_case(int utxos, std::vector<OutputGroup>& utxo_pool)
150{
151    utxo_pool.clear();
152    CAmount target = 0;
153    for (int i = 0; i < utxos; ++i) {
154        target += CAmount{1} << (utxos+i);
155        add_coin(CAmount{1} << (utxos+i), 2*i, utxo_pool);
156        add_coin((CAmount{1} << (utxos+i)) + (CAmount{1} << (utxos-1-i)), 2*i + 1, utxo_pool);
157    }
158    return target;
159}
160
161static void BnBExhaustion(benchmark::Bench& bench)
162{
163    std::vector<OutputGroup> utxo_pool;
164    CAmount target;
165    bench.setup([&] { target = make_hard_case(17, utxo_pool); })
166        .run([&] {
167            auto res{SelectCoinsBnB(utxo_pool, target, /*cost_of_change=*/0, MAX_STANDARD_TX_WEIGHT)}; // Should exhaust
168            ankerl::nanobench::doNotOptimizeAway(res);
169        });
170}
171
172BENCHMARK(CoinSelection);
173BENCHMARK(BnBExhaustion);
174}; // namespace wallet
175

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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