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-rw-r--r--src/coins.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/coins.cpp b/src/coins.cpp
index 13a4ea95cd..3ab03e047f 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -107,7 +107,12 @@ bool CCoinsViewCache::SetCoins(const uint256 &txid, const CCoins &coins) {
}
bool CCoinsViewCache::HaveCoins(const uint256 &txid) {
- return FetchCoins(txid) != cacheCoins.end();
+ CCoinsMap::iterator it = FetchCoins(txid);
+ // We're using vtx.empty() instead of IsPruned here for performance reasons,
+ // as we only care about the case where an transaction was replaced entirely
+ // in a reorganization (which wipes vout entirely, as opposed to spending
+ // which just cleans individual outputs).
+ return (it != cacheCoins.end() && !it->second.vout.empty());
}
uint256 CCoinsViewCache::GetBestBlock() {