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The migration benchmark crashes if run more than once, because of `std::move(wallet)` and leaves subsequent iterations in an undefined state - avoiding `UndefinedBehaviorSanitizer` null‑dereference error.
75 lines
3 KiB
C++
75 lines
3 KiB
C++
// Copyright (c) 2024 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://www.opensource.org/licenses/mit-license.php.
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#include <bench/bench.h>
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#include <interfaces/chain.h>
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#include <interfaces/wallet.h>
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#include <kernel/chain.h>
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#include <node/context.h>
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#include <test/util/mining.h>
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#include <test/util/setup_common.h>
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#include <wallet/context.h>
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#include <wallet/receive.h>
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#include <wallet/test/util.h>
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#include <wallet/wallet.h>
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#include <optional>
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namespace wallet{
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static void WalletMigration(benchmark::Bench& bench)
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{
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const auto test_setup{MakeNoLogFileContext<TestingSetup>()};
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const auto loader{MakeWalletLoader(*test_setup->m_node.chain, test_setup->m_args)};
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// Number of imported watch only addresses
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int NUM_WATCH_ONLY_ADDR = 20;
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// Setup legacy wallet
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std::unique_ptr<CWallet> wallet = std::make_unique<CWallet>(test_setup->m_node.chain.get(), "", CreateMockableWalletDatabase());
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wallet->chainStateFlushed(ChainstateRole::NORMAL, CBlockLocator{});
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LegacyDataSPKM* legacy_spkm = wallet->GetOrCreateLegacyDataSPKM();
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WalletBatch batch{wallet->GetDatabase()};
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// Add watch-only addresses
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std::vector<CScript> scripts_watch_only;
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for (int w = 0; w < NUM_WATCH_ONLY_ADDR; ++w) {
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CKey key = GenerateRandomKey();
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LOCK(wallet->cs_wallet);
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const auto& dest = GetDestinationForKey(key.GetPubKey(), OutputType::LEGACY);
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const CScript& script = scripts_watch_only.emplace_back(GetScriptForDestination(dest));
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assert(legacy_spkm->LoadWatchOnly(script));
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assert(wallet->SetAddressBook(dest, strprintf("watch_%d", w), /*purpose=*/std::nullopt));
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batch.WriteWatchOnly(script, CKeyMetadata());
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}
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// Generate transactions and local addresses
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for (int j = 0; j < 500; ++j) {
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CKey key = GenerateRandomKey();
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CPubKey pubkey = key.GetPubKey();
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// Load key, scripts and create address book record
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Assert(legacy_spkm->LoadKey(key, pubkey));
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CTxDestination dest{PKHash(pubkey)};
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Assert(wallet->SetAddressBook(dest, strprintf("legacy_%d", j), /*purpose=*/std::nullopt));
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CMutableTransaction mtx;
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mtx.vout.emplace_back(COIN, GetScriptForDestination(dest));
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mtx.vout.emplace_back(COIN, scripts_watch_only.at(j % NUM_WATCH_ONLY_ADDR));
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mtx.vin.resize(2);
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wallet->AddToWallet(MakeTransactionRef(mtx), TxStateInactive{}, /*update_wtx=*/nullptr, /*fFlushOnClose=*/false, /*rescanning_old_block=*/true);
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batch.WriteKey(pubkey, key.GetPrivKey(), CKeyMetadata());
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}
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bench.epochs(/*numEpochs=*/1).epochIterations(/*numIters=*/1) // run the migration exactly once
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.run([&] {
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auto res{MigrateLegacyToDescriptor(std::move(wallet), /*passphrase=*/"", *loader->context(), /*was_loaded=*/false)};
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assert(res);
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assert(res->wallet);
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assert(res->watchonly_wallet);
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});
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}
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BENCHMARK(WalletMigration, benchmark::PriorityLevel::LOW);
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} // namespace wallet
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