所有虚拟货币的鼻祖,源代码值得详读./**CCoinsViewthatbringstransactionsfromamemorypoolintoview.Itdoesnotcheckforspendingsbymemorypooltransactions.*/CCoinsViewMemPool::CCoinsViewMemPool(CCoinsView&baseIn,CTxMemPool&mempoolIn):CCoinsViewBacked(baseIn),mempool(mempoolIn){}boolCCoinsViewMemPool::GetCoins(const