Method Erase

src/dbwrapper.h:98–112

    template <typename K>
    void Erase(const K& key)
    {
        ssKey.reserve(DBWRAPPER_PREALLOC_KEY_SIZE);
        ssKey << key;
        leveldb::Slice slKey((const char*)ssKey.data(), ssKey.size());

        batch.Delete(slKey);
        // LevelDB serializes erases as:
        // - byte: header
        // - varint: key length
        // - byte[]: key
        // The formula below assumes the key is less than 16kB.
        size_estimate += 2 + (slKey.size() > 127) + slKey.size();
        ssKey.clear();
    }

    size_t SizeEstimate() const { return size_estimate; }
};