Bitcoin Core Fuzz Coverage Report

// Copyright (c) 2021-present 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 <wallet/test/util.h>

#include <chain.h>

#include <key.h>

#include <key_io.h>

#include <test/util/setup_common.h>

#include <validationinterface.h>

#include <wallet/context.h>

#include <wallet/wallet.h>

#include <wallet/walletdb.h>

#include <sqlite3.h>

#include <memory>

namespace wallet {

std::unique_ptr<CWallet> CreateSyncedWallet(interfaces::Chain& chain, CChain& cchain, const CKey& key)

{

    auto wallet = std::make_unique<CWallet>(&chain, "", CreateMockableWalletDatabase());

    {

        LOCK2(wallet->cs_wallet, ::cs_main);

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    UniqueLock criticalblock1(MaybeCheckNotHeld(cs1), #cs1, __FILE__, __LINE__); \

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    UniqueLock criticalblock2(MaybeCheckNotHeld(cs2), #cs2, __FILE__, __LINE__)

        wallet->SetLastBlockProcessed(cchain.Height(), cchain.Tip()->GetBlockHash());

    }

    {

        LOCK(wallet->cs_wallet);

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#define LOCK(cs) UniqueLock UNIQUE_NAME(criticalblock)(MaybeCheckNotHeld(cs), #cs, __FILE__, __LINE__)

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11

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#define UNIQUE_NAME(name) PASTE2(name, __COUNTER__)

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#define PASTE2(x, y) PASTE(x, y)

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#define PASTE(x, y) x ## y

        wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);

        wallet->SetupDescriptorScriptPubKeyMans();

        FlatSigningProvider provider;

        std::string error;

        auto descs = Parse("combo(" + EncodeSecret(key) + ")", provider, error, /* require_checksum=*/ false);

        assert(descs.size() == 1);

        auto& desc = descs.at(0);

        WalletDescriptor w_desc(std::move(desc), 0, 0, 1, 1);

        Assert(wallet->AddWalletDescriptor(w_desc, provider, "", false));

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#define Assert(val) inline_assertion_check<true>(val, std::source_location::current(), #val)

    }

    WalletRescanReserver reserver(*wallet);

    reserver.reserve();

    CWallet::ScanResult result = wallet->ScanForWalletTransactions(cchain.Genesis()->GetBlockHash(), /*start_height=*/0, /*max_height=*/{}, reserver, /*save_progress=*/false);

    assert(result.status == CWallet::ScanResult::SUCCESS);

    assert(result.last_scanned_block == cchain.Tip()->GetBlockHash());

    assert(*result.last_scanned_height == cchain.Height());

    assert(result.last_failed_block.IsNull());

    return wallet;

}

std::shared_ptr<CWallet> TestCreateWallet(std::unique_ptr<WalletDatabase> database, WalletContext& context, uint64_t create_flags)

{

    bilingual_str _error;

    std::vector<bilingual_str> _warnings;

    auto wallet = CWallet::CreateNew(context, "", std::move(database), create_flags, _error, _warnings);

    NotifyWalletLoaded(context, wallet);

    if (context.chain) {

        wallet->postInitProcess();

    }

    return wallet;

}

std::shared_ptr<CWallet> TestCreateWallet(WalletContext& context)

{

    DatabaseOptions options;

    options.require_create = true;

    options.create_flags = WALLET_FLAG_DESCRIPTORS;

    DatabaseStatus status;

    bilingual_str error;

    std::vector<bilingual_str> warnings;

    auto database = MakeWalletDatabase("", options, status, error);

    return TestCreateWallet(std::move(database), context, options.create_flags);

}

std::shared_ptr<CWallet> TestLoadWallet(std::unique_ptr<WalletDatabase> database, WalletContext& context)

{

    bilingual_str error;

    std::vector<bilingual_str> warnings;

    auto wallet = CWallet::LoadExisting(context, "", std::move(database), error, warnings);

    NotifyWalletLoaded(context, wallet);

    if (context.chain) {

        wallet->postInitProcess();

    }

    return wallet;

}

std::shared_ptr<CWallet> TestLoadWallet(WalletContext& context)

{

    DatabaseOptions options;

    options.require_existing = true;

    DatabaseStatus status;

    bilingual_str error;

    std::vector<bilingual_str> warnings;

    auto database = MakeWalletDatabase("", options, status, error);

    return TestLoadWallet(std::move(database), context);

}

void TestUnloadWallet(std::shared_ptr<CWallet>&& wallet)

{

    // Calls SyncWithValidationInterfaceQueue

    wallet->chain().waitForNotificationsIfTipChanged({});

    wallet->m_chain_notifications_handler.reset();

    WaitForDeleteWallet(std::move(wallet));

}

std::string getnewaddress(CWallet& w)

{

    constexpr auto output_type = OutputType::BECH32;

    return EncodeDestination(getNewDestination(w, output_type));

}

CTxDestination getNewDestination(CWallet& w, OutputType output_type)

{

    return *Assert(w.GetNewDestination(output_type, ""));

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#define Assert(val) inline_assertion_check<true>(val, std::source_location::current(), #val)

}

MockableSQLiteDatabase::MockableSQLiteDatabase()

    : SQLiteDatabase(fs::PathFromString("mock/"), fs::PathFromString("mock/wallet.dat"), DatabaseOptions(), SQLITE_OPEN_MEMORY)

{}

std::unique_ptr<WalletDatabase> CreateMockableWalletDatabase()

{

    return std::make_unique<MockableSQLiteDatabase>();

}

wallet::DescriptorScriptPubKeyMan* CreateDescriptor(CWallet& keystore, const std::string& desc_str, const bool success)

{

    keystore.SetWalletFlag(WALLET_FLAG_DESCRIPTORS);

    FlatSigningProvider keys;

    std::string error;

    auto parsed_descs = Parse(desc_str, keys, error, false);

    Assert(success == (!parsed_descs.empty()));

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#define Assert(val) inline_assertion_check<true>(val, std::source_location::current(), #val)

    if (!success) return nullptr;

    auto& desc = parsed_descs.at(0);

    const int64_t range_start = 0, range_end = 1, next_index = 0, timestamp = 1;

    WalletDescriptor w_desc(std::move(desc), timestamp, range_start, range_end, next_index);

    LOCK(keystore.cs_wallet);

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#define LOCK(cs) UniqueLock UNIQUE_NAME(criticalblock)(MaybeCheckNotHeld(cs), #cs, __FILE__, __LINE__)

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11

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#define UNIQUE_NAME(name) PASTE2(name, __COUNTER__)

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#define PASTE2(x, y) PASTE(x, y)

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#define PASTE(x, y) x ## y

    auto spkm = Assert(keystore.AddWalletDescriptor(w_desc, keys,/*label=*/"", /*internal=*/false));

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#define Assert(val) inline_assertion_check<true>(val, std::source_location::current(), #val)

    return &spkm.value().get();

};

} // namespace wallet