From 7cd40f9d2c1077a86cd5a73ad0d0a448d934c445 Mon Sep 17 00:00:00 2001
From: glozow <gloriajzhao@gmail.com>
Date: Wed, 30 Aug 2023 15:53:56 +0100
Subject: [PATCH] [refactor] use exists() instead of mapTx.find()

---
 src/validation.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/validation.cpp b/src/validation.cpp
index 1ebf4b8b3b5968..68830c0dca369a 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -359,9 +359,7 @@ void Chainstate::MaybeUpdateMempoolForReorg(
         // If the transaction spends any coinbase outputs, it must be mature.
         if (it->GetSpendsCoinbase()) {
             for (const CTxIn& txin : tx.vin) {
-                auto it2 = m_mempool->mapTx.find(txin.prevout.hash);
-                if (it2 != m_mempool->mapTx.end())
-                    continue;
+                if (m_mempool->exists(GenTxid::Txid(txin.prevout.hash))) continue;
                 const Coin& coin{CoinsTip().AccessCoin(txin.prevout)};
                 assert(!coin.IsSpent());
                 const auto mempool_spend_height{m_chain.Tip()->nHeight + 1};