Method BatchWrite

src/test/coins_tests.cpp:60–74

    uint256 GetBestBlock() const override { return hashBestBlock_; }

    void BatchWrite(CoinsViewCacheCursor& cursor, const uint256& block_hash) override
    {
        for (auto it{cursor.Begin()}; it != cursor.End(); it = cursor.NextAndMaybeErase(*it)){
            if (it->second.IsDirty()) {
                // Same optimization used in CCoinsViewDB is to only write dirty entries.
                map_[it->first] = it->second.coin;
                if (it->second.coin.IsSpent() && m_rng.randrange(3) == 0) {
                    // Randomly delete empty entries on write.
                    map_.erase(it->first);
                }
            }
        }
        if (!block_hash.IsNull())
            hashBestBlock_ = block_hash;
    }
};

class CCoinsViewCacheTest : public CCoinsViewCache