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path: root/src/wallet/test/util.cpp
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// Copyright (c) 2021-2022 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 <wallet/test/util.h>

#include <chain.h>
#include <key.h>
#include <key_io.h>
#include <streams.h>
#include <test/util/setup_common.h>
#include <wallet/wallet.h>
#include <wallet/walletdb.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);
        wallet->SetLastBlockProcessed(cchain.Height(), cchain.Tip()->GetBlockHash());
    }
    wallet->LoadWallet();
    {
        LOCK(wallet->cs_wallet);
        wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS);
        wallet->SetupDescriptorScriptPubKeyMans();

        FlatSigningProvider provider;
        std::string error;
        std::unique_ptr<Descriptor> desc = Parse("combo(" + EncodeSecret(key) + ")", provider, error, /* require_checksum=*/ false);
        assert(desc);
        WalletDescriptor w_desc(std::move(desc), 0, 0, 1, 1);
        if (!wallet->AddWalletDescriptor(w_desc, provider, "", false)) assert(false);
    }
    WalletRescanReserver reserver(*wallet);
    reserver.reserve();
    CWallet::ScanResult result = wallet->ScanForWalletTransactions(cchain.Genesis()->GetBlockHash(), /*start_height=*/0, /*max_height=*/{}, reserver, /*fUpdate=*/false, /*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::unique_ptr<WalletDatabase> DuplicateMockDatabase(WalletDatabase& database)
{
    return std::make_unique<MockableDatabase>(dynamic_cast<MockableDatabase&>(database).m_records);
}

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, ""));
}

DatabaseCursor::Status MockableCursor::Next(DataStream& key, DataStream& value)
{
    if (!m_pass) {
        return Status::FAIL;
    }
    if (m_cursor == m_cursor_end) {
        return Status::DONE;
    }
    const auto& [key_data, value_data] = *m_cursor;
    key.write(key_data);
    value.write(value_data);
    m_cursor++;
    return Status::MORE;
}

bool MockableBatch::ReadKey(DataStream&& key, DataStream& value)
{
    if (!m_pass) {
        return false;
    }
    SerializeData key_data{key.begin(), key.end()};
    const auto& it = m_records.find(key_data);
    if (it == m_records.end()) {
        return false;
    }
    value.write(it->second);
    return true;
}

bool MockableBatch::WriteKey(DataStream&& key, DataStream&& value, bool overwrite)
{
    if (!m_pass) {
        return false;
    }
    SerializeData key_data{key.begin(), key.end()};
    SerializeData value_data{value.begin(), value.end()};
    auto [it, inserted] = m_records.emplace(key_data, value_data);
    if (!inserted && overwrite) { // Overwrite if requested
        it->second = value_data;
        inserted = true;
    }
    return inserted;
}

bool MockableBatch::EraseKey(DataStream&& key)
{
    if (!m_pass) {
        return false;
    }
    SerializeData key_data{key.begin(), key.end()};
    m_records.erase(key_data);
    return true;
}

bool MockableBatch::HasKey(DataStream&& key)
{
    if (!m_pass) {
        return false;
    }
    SerializeData key_data{key.begin(), key.end()};
    return m_records.count(key_data) > 0;
}

bool MockableBatch::ErasePrefix(Span<const std::byte> prefix)
{
    if (!m_pass) {
        return false;
    }
    auto it = m_records.begin();
    while (it != m_records.end()) {
        auto& key = it->first;
        if (key.size() < prefix.size() || std::search(key.begin(), key.end(), prefix.begin(), prefix.end()) != key.begin()) {
            it++;
            continue;
        }
        it = m_records.erase(it);
    }
    return true;
}

std::unique_ptr<WalletDatabase> CreateMockableWalletDatabase(std::map<SerializeData, SerializeData> records)
{
    return std::make_unique<MockableDatabase>(records);
}

MockableDatabase& GetMockableDatabase(CWallet& wallet)
{
    return dynamic_cast<MockableDatabase&>(wallet.GetDatabase());
}
} // namespace wallet