From 9292570f4cb85fc6690dfeeb55ea867d575ebba3 Mon Sep 17 00:00:00 2001
From: Suhas Daftuar <sdaftuar@chaincode.com>
Date: Wed, 5 Feb 2025 18:13:55 -0500
Subject: [PATCH] Rewrite GetChildren without sets

---
 src/txmempool.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 5fc1f3e85ca..1162634b5b7 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -58,13 +58,12 @@ std::vector<CTxMemPoolEntry::CTxMemPoolEntryRef> CTxMemPool::GetChildren(const C
 {
     LOCK(cs);
     std::vector<CTxMemPoolEntry::CTxMemPoolEntryRef> ret;
-    setEntries children;
+    WITH_FRESH_EPOCH(m_epoch);
     auto iter = mapNextTx.lower_bound(COutPoint(entry.GetTx().GetHash(), 0));
     for (; iter != mapNextTx.end() && iter->first->hash == entry.GetTx().GetHash(); ++iter) {
-        children.insert(iter->second);
-    }
-    for (const auto& child : children) {
-        ret.emplace_back(*child);
+        if (!visited(iter->second)) {
+            ret.emplace_back(*(iter->second));
+        }
     }
     return ret;
 }