1// Copyright (c) 2019-present 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
11namespace node {
12void FindCoins(const NodeContext& node, std::map<COutPoint, Coin>& coins)
13{
14    assert(node.mempool);
15    assert(node.chainman);
16    LOCK2(cs_main, node.mempool->cs);
17    CCoinsViewCache& chain_view = node.chainman->ActiveChainstate().CoinsTip();
18    CCoinsViewMemPool mempool_view(&chain_view, *node.mempool);
19    for (auto& [outpoint, coin] : coins) {
20        if (auto c{mempool_view.GetCoin(outpoint)}) {
21            coin = std::move(*c);
22        } else {
23            coin.Clear(); // Either the coin is not in the CCoinsViewCache or is spent
24        }
25    }
26}
27} // namespace node
28