From d8140f5f050076bfa129169c1223cab94b243a6e Mon Sep 17 00:00:00 2001
From: glozow <gloriajzhao@gmail.com>
Date: Mon, 14 Jul 2025 12:40:48 -0400
Subject: [PATCH] don't make a copy of m_non_base_coins

---
 src/txmempool.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/txmempool.h b/src/txmempool.h
index 687c474f8e0..2c77aef0de9 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -940,7 +940,7 @@ public:
      * m_temp_added and cannot be flushed to the back end. Only used for package validation. */
     void PackageAddTransaction(const CTransactionRef& tx);
     /** Get all coins in m_non_base_coins. */
-    std::unordered_set<COutPoint, SaltedOutpointHasher> GetNonBaseCoins() const { return m_non_base_coins; }
+    const std::unordered_set<COutPoint, SaltedOutpointHasher>& GetNonBaseCoins() const { return m_non_base_coins; }
     /** Clear m_temp_added and m_non_base_coins. */
     void Reset();
 };