C++ CWallet::AddKeyPubKey方法代码示例

// Verify importwallet RPC starts rescan at earliest block with timestamp
// greater or equal than key birthday. Previously there was a bug where
// importwallet RPC would start the scan at the latest block with timestamp less
// than or equal to key birthday.
BOOST_FIXTURE_TEST_CASE(importwallet_rescan, TestChain100Setup)
{
    g_address_type = OUTPUT_TYPE_DEFAULT;
    g_change_type = OUTPUT_TYPE_DEFAULT;

    // Create two blocks with same timestamp to verify that importwallet rescan
    // will pick up both blocks, not just the first.
    const int64_t BLOCK_TIME = chainActive.Tip()->GetBlockTimeMax() + 5;
    SetMockTime(BLOCK_TIME);
    coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);
    coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);

    // Set key birthday to block time increased by the timestamp window, so
    // rescan will start at the block time.
    const int64_t KEY_TIME = BLOCK_TIME + TIMESTAMP_WINDOW;
    SetMockTime(KEY_TIME);
    coinbaseTxns.emplace_back(*CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey())).vtx[0]);

    LOCK(cs_main);

    // Import key into wallet and call dumpwallet to create backup file.
    {
        CWallet wallet;
        LOCK(wallet.cs_wallet);
        wallet.mapKeyMetadata[coinbaseKey.GetPubKey().GetID()].nCreateTime = KEY_TIME;
        wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());

        JSONRPCRequest request;
        request.params.setArray();
        request.params.push_back((pathTemp / "wallet.backup").string());
        vpwallets.insert(vpwallets.begin(), &wallet);
        ::dumpwallet(request);
    }

    // Call importwallet RPC and verify all blocks with timestamps >= BLOCK_TIME
    // were scanned, and no prior blocks were scanned.
    {
        CWallet wallet;

        JSONRPCRequest request;
        request.params.setArray();
        request.params.push_back((pathTemp / "wallet.backup").string());
        vpwallets[0] = &wallet;
        ::importwallet(request);

        LOCK(wallet.cs_wallet);
        BOOST_CHECK_EQUAL(wallet.mapWallet.size(), 3);
        BOOST_CHECK_EQUAL(coinbaseTxns.size(), 103);
        for (size_t i = 0; i < coinbaseTxns.size(); ++i) {
            bool found = wallet.GetWalletTx(coinbaseTxns[i].GetHash());
            bool expected = i >= 100;
            BOOST_CHECK_EQUAL(found, expected);
        }
    }

    SetMockTime(0);
    vpwallets.erase(vpwallets.begin());
}

CPubKey CAccount::GenerateNewKey(CWallet& wallet, int keyChain)
{
    CKey secret;
    secret.MakeNewKey(true);

    CPubKey pubkey = secret.GetPubKey();
    assert(secret.VerifyPubKey(pubkey));

    if (!wallet.AddKeyPubKey(secret, pubkey, *this, keyChain))
        throw std::runtime_error("CAccount::GenerateNewKey(): AddKeyPubKey failed");

    return pubkey;
}

CPubKey CAccount::GenerateNewKey(CWallet& wallet, CKeyMetadata& metadata, int keyChain)
{
    if (IsFixedKeyPool())
        throw std::runtime_error(strprintf("GenerateNewKey called on a \"%sy\" witness account - this is invalid", GetAccountTypeString(m_Type).c_str()));

    CKey secret;
    secret.MakeNewKey(true);

    CPubKey pubkey = secret.GetPubKey();
    assert(secret.VerifyPubKey(pubkey));

    if (!wallet.AddKeyPubKey(secret, pubkey, *this, keyChain))
        throw std::runtime_error("CAccount::GenerateNewKey(): AddKeyPubKey failed");

    return pubkey;
}

// Check that GetImmatureCredit() returns a newly calculated value instead of
// the cached value after a MarkDirty() call.
//
// This is a regression test written to verify a bugfix for the immature credit
// function. Similar tests probably should be written for the other credit and
// debit functions.
BOOST_FIXTURE_TEST_CASE(coin_mark_dirty_immature_credit, TestChain100Setup)
{
    CWallet wallet;
    CWalletTx wtx(&wallet, MakeTransactionRef(coinbaseTxns.back()));
    LOCK2(cs_main, wallet.cs_wallet);
    wtx.hashBlock = chainActive.Tip()->GetBlockHash();
    wtx.nIndex = 0;

    // Call GetImmatureCredit() once before adding the key to the wallet to
    // cache the current immature credit amount, which is 0.
    BOOST_CHECK_EQUAL(wtx.GetImmatureCredit(), 0);

    // Invalidate the cached value, add the key, and make sure a new immature
    // credit amount is calculated.
    wtx.MarkDirty();
    wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
    BOOST_CHECK_EQUAL(wtx.GetImmatureCredit(), 50*COIN);
}

BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
{
    LOCK(cs_main);

    // Cap last block file size, and mine new block in a new block file.
    CBlockIndex* const nullBlock = nullptr;
    CBlockIndex* oldTip = chainActive.Tip();
    GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
    CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
    CBlockIndex* newTip = chainActive.Tip();

    // Verify ScanForWalletTransactions picks up transactions in both the old
    // and new block files.
    {
        CWallet wallet;
        LOCK(wallet.cs_wallet);
        wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
        BOOST_CHECK_EQUAL(nullBlock, wallet.ScanForWalletTransactions(oldTip));
        BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 100 * COIN);
    }

    // Prune the older block file.
    PruneOneBlockFile(oldTip->GetBlockPos().nFile);
    UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});

    // Verify ScanForWalletTransactions only picks transactions in the new block
    // file.
    {
        CWallet wallet;
        LOCK(wallet.cs_wallet);
        wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
        BOOST_CHECK_EQUAL(oldTip, wallet.ScanForWalletTransactions(oldTip));
        BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 50 * COIN);
    }

    // Verify importmulti RPC returns failure for a key whose creation time is
    // before the missing block, and success for a key whose creation time is
    // after.
    {
        CWallet wallet;
        vpwallets.insert(vpwallets.begin(), &wallet);
        UniValue keys;
        keys.setArray();
        UniValue key;
        key.setObject();
        key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
        key.pushKV("timestamp", 0);
        key.pushKV("internal", UniValue(true));
        keys.push_back(key);
        key.clear();
        key.setObject();
        CKey futureKey;
        futureKey.MakeNewKey(true);
        key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
        key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW + 1);
        key.pushKV("internal", UniValue(true));
        keys.push_back(key);
        JSONRPCRequest request;
        request.params.setArray();
        request.params.push_back(keys);

        UniValue response = importmulti(request);
        BOOST_CHECK_EQUAL(response.write(),
            strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Rescan failed for key with creation "
                      "timestamp %d. There was an error reading a block from time %d, which is after or within %d "
                      "seconds of key creation, and could contain transactions pertaining to the key. As a result, "
                      "transactions and coins using this key may not appear in the wallet. This error could be caused "
                      "by pruning or data corruption (see bitcoind log for details) and could be dealt with by "
                      "downloading and rescanning the relevant blocks (see -reindex and -rescan "
                      "options).\"}},{\"success\":true}]",
                              0, oldTip->GetBlockTimeMax(), TIMESTAMP_WINDOW));
        vpwallets.erase(vpwallets.begin());
    }
}

static void AddKey(CWallet& wallet, const CKey& key)
{
    LOCK(wallet.cs_wallet);
    wallet.AddKeyPubKey(key, key.GetPubKey());
}

BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
{
    LOCK(cs_main);

    // Cap last block file size, and mine new block in a new block file.
    CBlockIndex* oldTip = chainActive.Tip();
    GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
    CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
    CBlockIndex* newTip = chainActive.Tip();

    // Verify ScanForWalletTransactions picks up transactions in both the old
    // and new block files.
    {
        CWallet wallet;
        LOCK(wallet.cs_wallet);
        wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
        BOOST_CHECK_EQUAL(oldTip, wallet.ScanForWalletTransactions(oldTip));
        BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 100 * COIN);
    }

    // Prune the older block file.
    PruneOneBlockFile(oldTip->GetBlockPos().nFile);
    UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});

    // Verify ScanForWalletTransactions only picks transactions in the new block
    // file.
    {
        CWallet wallet;
        LOCK(wallet.cs_wallet);
        wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
        BOOST_CHECK_EQUAL(newTip, wallet.ScanForWalletTransactions(oldTip));
        BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 50 * COIN);
    }

    // Verify importmulti RPC returns failure for a key whose creation time is
    // before the missing block, and success for a key whose creation time is
    // after.
    {
        CWallet wallet;
        CWallet *backup = ::pwalletMain;
        ::pwalletMain = &wallet;
        UniValue keys;
        keys.setArray();
        UniValue key;
        key.setObject();
        key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
        key.pushKV("timestamp", 0);
        key.pushKV("internal", UniValue(true));
        keys.push_back(key);
        key.clear();
        key.setObject();
        CKey futureKey;
        futureKey.MakeNewKey(true);
        key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
        key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW);
        key.pushKV("internal", UniValue(true));
        keys.push_back(key);
        JSONRPCRequest request;
        request.params.setArray();
        request.params.push_back(keys);

        UniValue response = importmulti(request);
        BOOST_CHECK_EQUAL(response.write(), strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Failed to rescan before time %d, transactions may be missing.\"}},{\"success\":true}]", newTip->GetBlockTimeMax()));
        ::pwalletMain = backup;
    }

    // Verify ScanForWalletTransactions does not return null when the scan is
    // elided due to the nTimeFirstKey optimization.
    {
        CWallet wallet;
        {
            LOCK(wallet.cs_wallet);
            wallet.UpdateTimeFirstKey(newTip->GetBlockTime() + 7200 + 1);
        }
        BOOST_CHECK_EQUAL(newTip, wallet.ScanForWalletTransactions(newTip));
    }
}