Method BatchWrite

src/test/coins_tests.cpp:55–71

    uint256 GetBestBlock() const override { return hashBestBlock_; }

    bool BatchWrite(CCoinsMap& mapCoins, const uint256& hashBlock) override
    {
        for (CCoinsMap::iterator it = mapCoins.begin(); it != mapCoins.end(); ) {
            if (it->second.flags & CCoinsCacheEntry::DIRTY) {
                // Same optimization used in CCoinsViewDB is to only write dirty entries.
                map_[it->first] = it->second.coin;
                if (it->second.coin.IsSpent() && InsecureRandRange(3) == 0) {
                    // Randomly delete empty entries on write.
                    map_.erase(it->first);
                }
            }
            mapCoins.erase(it++);
        }
        if (!hashBlock.IsNull())
            hashBestBlock_ = hashBlock;
        return true;
    }
};

class CCoinsViewCacheTest : public CCoinsViewCache