Method FetchCoin

src/coins.cpp:47–60

}

CCoinsMap::iterator CCoinsViewCache::FetchCoin(const COutPoint &outpoint) const {
    const auto [ret, inserted] = cacheCoins.try_emplace(outpoint);
    if (inserted) {
        if (auto coin{FetchCoinFromBase(outpoint)}) {
            ret->second.coin = std::move(*coin);
            cachedCoinsUsage += ret->second.coin.DynamicMemoryUsage();
            Assert(!ret->second.coin.IsSpent());
        } else {
            cacheCoins.erase(ret);
            return cacheCoins.end();
        }
    }
    return ret;
}

std::optional<Coin> CCoinsViewCache::GetCoin(const COutPoint& outpoint) const
{