Check block signature only if there are no suitable checkpoints.

[novacoin.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 473e5bf..c366651 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1263,13 +1263,14 @@ bool IsInitialBlockDownload()
         return true;
     static int64_t nLastUpdate;
     static CBlockIndex* pindexLastBest;
+    int64_t nCurrentTime = GetTime();
     if (pindexBest != pindexLastBest)
     {
         pindexLastBest = pindexBest;
-        nLastUpdate = GetTime();
+        nLastUpdate = nCurrentTime;
     }
-    return (GetTime() - nLastUpdate < 10 &&
-            pindexBest->GetBlockTime() < GetTime() - 24 * 60 * 60);
+    return (nCurrentTime - nLastUpdate < 10 &&
+            pindexBest->GetBlockTime() < nCurrentTime - 24 * 60 * 60);
 }
 
 void static InvalidChainFound(CBlockIndex* pindexNew)
@@ -2213,7 +2214,9 @@ bool CBlock::AddToBlockIndex(unsigned int nFile, unsigned int nBlockPos)
         hashPrevBestCoinBase = vtx[0].GetHash();
     }
 
-    uiInterface.NotifyBlocksChanged();
+    static int8_t counter = 0;
+    if( (++counter & 0x0F) == 0 || !IsInitialBlockDownload()) // repaint every 16 blocks if not in initial block download
+        uiInterface.NotifyBlocksChanged();
     return true;
 }
 
@@ -2309,7 +2312,6 @@ bool CBlock::CheckBlock(bool fCheckPOW, bool fCheckMerkleRoot, bool fCheckSig) c
     if (fCheckMerkleRoot && hashMerkleRoot != BuildMerkleTree())
         return DoS(100, error("CheckBlock() : hashMerkleRoot mismatch"));
 
-
     return true;
 }
 
@@ -2497,7 +2499,7 @@ bool ProcessBlock(CNode* pfrom, CBlock* pblock)
         return error("ProcessBlock() : duplicate proof-of-stake (%s, %d) for block %s", pblock->GetProofOfStake().first.ToString().c_str(), pblock->GetProofOfStake().second, hash.ToString().c_str());
 
     // Preliminary checks
-    if (!pblock->CheckBlock())
+    if (!pblock->CheckBlock(true, true, (pblock->nTime > Checkpoints::GetLastCheckpointTime())))
         return error("ProcessBlock() : CheckBlock FAILED");
 
     // ppcoin: verify hash target and signature of coinstake tx