Method ReadAtCursor

src/wallet/bdb.cpp:666–690

}

bool BerkeleyBatch::ReadAtCursor(CDataStream& ssKey, CDataStream& ssValue, bool& complete)
{
    complete = false;
    if (m_cursor == nullptr) return false;
    // Read at cursor
    SafeDbt datKey;
    SafeDbt datValue;
    int ret = m_cursor->get(datKey, datValue, DB_NEXT);
    if (ret == DB_NOTFOUND) {
        complete = true;
    }
    if (ret != 0)
        return false;
    else if (datKey.get_data() == nullptr || datValue.get_data() == nullptr)
        return false;

    // Convert to streams
    ssKey.SetType(SER_DISK);
    ssKey.clear();
    ssKey.write({BytePtr(datKey.get_data()), datKey.get_size()});
    ssValue.SetType(SER_DISK);
    ssValue.clear();
    ssValue.write({BytePtr(datValue.get_data()), datValue.get_size()});
    return true;
}

void BerkeleyBatch::CloseCursor()
{