Merge bitcoin/bitcoin#24102: mempool: Run coin.IsSpent only once in a row

fa2bcc4e42 Run coin.IsSpent only once in a row (MarcoFalke)

Pull request description:

  Follow-up to commit 64e4963c63 and https://github.com/bitcoin/bitcoin/pull/23976#discussion_r787758193

ACKs for top commit:
  glozow:
    utACK fa2bcc4e42, agree the assertion is sufficient
  theStack:
    Code-review ACK fa2bcc4e42
  w0xlt:
    crACK fa2bcc4e42
  shaavan:
    Code Review ACK fa2bcc4e42
  brunoerg:
    crACK fa2bcc4e42

Tree-SHA512: 3be9d6b313bf6bb835f031826c81777b4659118d839001d084e72462391cb64ba81d06a5e07fd21fcfb709a71b08892b23212a98604ce8481da489476b72f072
This commit is contained in:
MarcoFalke 2022-01-24 12:43:19 +01:00
commit e3de7cb903
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View file

@ -384,10 +384,10 @@ void CChainState::MaybeUpdateMempoolForReorg(
auto it2 = m_mempool->mapTx.find(txin.prevout.hash);
if (it2 != m_mempool->mapTx.end())
continue;
const Coin &coin = CoinsTip().AccessCoin(txin.prevout);
const Coin& coin{CoinsTip().AccessCoin(txin.prevout)};
assert(!coin.IsSpent());
const auto mempool_spend_height{m_chain.Tip()->nHeight + 1};
if (coin.IsSpent() || (coin.IsCoinBase() && mempool_spend_height - coin.nHeight < COINBASE_MATURITY)) {
if (coin.IsCoinBase() && mempool_spend_height - coin.nHeight < COINBASE_MATURITY) {
return true;
}
}