Use Checkpoints.Verify to verify whether hash contradicts the table of checkpoints...

diff --git a/Novacoin/CBlockStore.cs b/Novacoin/CBlockStore.cs
index 25ea3bb..cca056e 100644 (file)
--- a/Novacoin/CBlockStore.cs
+++ b/Novacoin/CBlockStore.cs
@@ -1072,6 +1072,12 @@ namespace Novacoin
                 }
             }
 
+            // Check that the block chain matches the known block chain up to a checkpoint
+            if (!Checkpoints.Verify(nHeight, nHash))
+            {
+                return false;  // rejected by checkpoint lock-in
+            }
+
             // TODO: Enforce rule that the coinbase starts with serialized block height
 
             // Write block to file.