Cache scrypt hashes on disk

[novacoin.git] / src / kernel.cpp

diff --git a/src/kernel.cpp b/src/kernel.cpp
index fe3b0f6..4b03c7f 100644 (file)
--- a/src/kernel.cpp
+++ b/src/kernel.cpp
@@ -21,6 +21,7 @@ static std::map<int, unsigned int> mapStakeModifierCheckpoints =
         ( 9690, 0x97dcdafau )
         ( 12661, 0x5d84115du )
         ( 37092, 0xd230afccu )
+        ( 44200, 0x05370164u )
     ;
 
 // Hard checkpoints of stake modifiers to ensure they are deterministic (testNet)
@@ -360,7 +361,10 @@ bool CheckProofOfStake(const CTransaction& tx, unsigned int nBits, uint256& hash
     CTxIndex txindex;
     if (!txPrev.ReadFromDisk(txdb, txin.prevout, txindex))
         return tx.DoS(1, error("CheckProofOfStake() : INFO: read txPrev failed"));  // previous transaction not in main chain, may occur during initial download
+
+#ifndef USE_LEVELDB
     txdb.Close();
+#endif
 
     // Verify signature
     if (!VerifySignature(txPrev, tx, 0, true, 0))