1 // Copyright (c) 2019 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <node/coin.h>
6 
7 #include <node/context.h>
8 #include <txmempool.h>
9 #include <validation.h>
10 
FindCoins(const NodeContext & node,std::map<COutPoint,Coin> & coins)11 void FindCoins(const NodeContext& node, std::map<COutPoint, Coin>& coins)
12 {
13     assert(node.mempool);
14     LOCK2(cs_main, node.mempool->cs);
15     CCoinsViewCache& chain_view = ::ChainstateActive().CoinsTip();
16     CCoinsViewMemPool mempool_view(&chain_view, *node.mempool);
17     for (auto& coin : coins) {
18         if (!mempool_view.GetCoin(coin.first, coin.second)) {
19             // Either the coin is not in the CCoinsViewCache or is spent. Clear it.
20             coin.second.Clear();
21         }
22     }
23 }
24