Prune provably-unspendable outputs

1 files changed, 7 insertions, 1 deletions

diff --git a/src/core.h b/src/core.h
index 1b9d4dd765..a8828324fa 100644
--- a/src/core.h
+++ b/src/core.h
@@ -389,7 +389,13 @@ public:
     int nVersion;
 
     // construct a CCoins from a CTransaction, at a given height
-    CCoins(const CTransaction &tx, int nHeightIn) : fCoinBase(tx.IsCoinBase()), vout(tx.vout), nHeight(nHeightIn), nVersion(tx.nVersion) { }
+    CCoins(const CTransaction &tx, int nHeightIn) : fCoinBase(tx.IsCoinBase()), vout(tx.vout), nHeight(nHeightIn), nVersion(tx.nVersion) {
+        BOOST_FOREACH(CTxOut &txout, vout) {
+            if (txout.scriptPubKey.IsUnspendable())
+                txout.SetNull();
+        }
+        Cleanup();
+    }
 
     // empty constructor
     CCoins() : fCoinBase(false), vout(0), nHeight(0), nVersion(0) { }