From 74d0f902628472cd0cee66121ef0311eec201c40 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Wed, 21 Oct 2015 17:41:40 -0700
Subject: Add method to remove a tx from CCoinsViewCache if it is unchanged

---
 src/coins.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/coins.cpp')

diff --git a/src/coins.cpp b/src/coins.cpp
index 723e11470..060d6b7c5 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -206,6 +206,15 @@ bool CCoinsViewCache::Flush() {
     return fOk;
 }
 
+void CCoinsViewCache::Uncache(const uint256& hash)
+{
+    CCoinsMap::iterator it = cacheCoins.find(hash);
+    if (it != cacheCoins.end() && it->second.flags == 0) {
+        cachedCoinsUsage -= it->second.coins.DynamicMemoryUsage();
+        cacheCoins.erase(it);
+    }
+}
+
 unsigned int CCoinsViewCache::GetCacheSize() const {
     return cacheCoins.size();
 }
-- 
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