CheckProofOfWork should be static.

diff --git a/Novacoin/CBlock.cs b/Novacoin/CBlock.cs
index 8064b9d..450612a 100644 (file)
--- a/Novacoin/CBlock.cs
+++ b/Novacoin/CBlock.cs
@@ -269,7 +269,7 @@ namespace Novacoin
             return true;
         }
 
-        private bool CheckProofOfWork(uint256 hash, uint nBits)
+        private static bool CheckProofOfWork(uint256 hash, uint nBits)
         {
             uint256 nTarget = new uint256();
             nTarget.Compact = nBits;