bench: Add a benchmark for ismine

Author: achow101

src/Makefile.bench.include

@@ -88,6 +88,8 @@ bench_bench_bitcoin_SOURCES += bench/wallet_balance.cpp
 bench_bench_bitcoin_SOURCES += bench/wallet_create.cpp
 bench_bench_bitcoin_SOURCES += bench/wallet_loading.cpp
 bench_bench_bitcoin_SOURCES += bench/wallet_create_tx.cpp
+bench_bench_bitcoin_SOURCES += bench/wallet_ismine.cpp
+
 bench_bench_bitcoin_LDADD += $(BDB_LIBS) $(SQLITE_LIBS)
 endif
 

src/bench/wallet_ismine.cpp

@@ -0,0 +1,74 @@
+// Copyright (c) 2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <bench/bench.h>
+#include <interfaces/chain.h>
+#include <key.h>
+#include <key_io.h>
+#include <node/context.h>
+#include <test/util/setup_common.h>
+#include <util/translation.h>
+#include <validationinterface.h>
+#include <wallet/context.h>
+#include <wallet/wallet.h>
+#include <wallet/walletutil.h>
+#include <wallet/test/util.h>
+
+namespace wallet {
+static void WalletIsMine(benchmark::Bench& bench, bool legacy_wallet, int num_combo = 0)
+{
+    const auto test_setup = MakeNoLogFileContext<TestingSetup>();
+
+    WalletContext context;
+    context.args = &test_setup->m_args;
+    context.chain = test_setup->m_node.chain.get();
+
+    // Setup the wallet
+    // Loading the wallet will also create it
+    uint64_t create_flags = 0;
+    if (!legacy_wallet) {
+        create_flags = WALLET_FLAG_DESCRIPTORS;
+    }
+    auto database = CreateMockableWalletDatabase();
+    auto wallet = TestLoadWallet(std::move(database), context, create_flags);
+
+    // For a descriptor wallet, fill with num_combo combo descriptors with random keys
+    // This benchmarks a non-HD wallet migrated to descriptors
+    if (!legacy_wallet && num_combo > 0) {
+        LOCK(wallet->cs_wallet);
+        for (int i = 0; i < num_combo; ++i) {
+            CKey key;
+            key.MakeNewKey(/*fCompressed=*/true);
+            FlatSigningProvider keys;
+            std::string error;
+            std::unique_ptr<Descriptor> desc = Parse("combo(" + EncodeSecret(key) + ")", keys, error, /*require_checksum=*/false);
+            WalletDescriptor w_desc(std::move(desc), /*creation_time=*/0, /*range_start=*/0, /*range_end=*/0, /*next_index=*/0);
+            auto spkm = wallet->AddWalletDescriptor(w_desc, keys, /*label=*/"", /*internal=*/false);
+            assert(spkm);
+        }
+    }
+
+    const CScript script = GetScriptForDestination(DecodeDestination(ADDRESS_BCRT1_UNSPENDABLE));
+
+    bench.run([&] {
+        LOCK(wallet->cs_wallet);
+        isminetype mine = wallet->IsMine(script);
+        assert(mine == ISMINE_NO);
+    });
+
+    TestUnloadWallet(std::move(wallet));
+}
+
+#ifdef USE_BDB
+static void WalletIsMineLegacy(benchmark::Bench& bench) { WalletIsMine(bench, /*legacy_wallet=*/true); }
+BENCHMARK(WalletIsMineLegacy, benchmark::PriorityLevel::LOW);
+#endif
+
+#ifdef USE_SQLITE
+static void WalletIsMineDescriptors(benchmark::Bench& bench) { WalletIsMine(bench, /*legacy_wallet=*/false); }
+static void WalletIsMineMigratedDescriptors(benchmark::Bench& bench) { WalletIsMine(bench, /*legacy_wallet=*/false, /*num_combo=*/2000); }
+BENCHMARK(WalletIsMineDescriptors, benchmark::PriorityLevel::LOW);
+BENCHMARK(WalletIsMineMigratedDescriptors, benchmark::PriorityLevel::LOW);
+#endif
+} // namespace wallet