Merge pull request #521 from laanwj/qt

[novacoin.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 6a3bacc..e732ddc 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -32,6 +32,7 @@ uint256 hashGenesisBlock("0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3
 static CBigNum bnProofOfWorkLimit(~uint256(0) >> 32);
 const int nTotalBlocksEstimate = 140700; // Conservative estimate of total nr of blocks on main chain
 const int nInitialBlockThreshold = 120; // Regard blocks up until N-threshold as "initial download"
+int nMaxBlocksOfPeers = 0; // Amount of blocks that other nodes claim to have
 CBlockIndex* pindexGenesisBlock = NULL;
 int nBestHeight = -1;
 CBigNum bnBestChainWork = 0;
@@ -726,6 +727,12 @@ int GetTotalBlocksEstimate()
     }
 }
 
+// Return maximum amount of blocks that other nodes claim to have
+int GetNumBlocksOfPeers()
+{
+    return std::max(nMaxBlocksOfPeers, GetTotalBlocksEstimate());
+}
+
 bool IsInitialBlockDownload()
 {
     if (pindexBest == NULL || nBestHeight < (GetTotalBlocksEstimate()-nInitialBlockThreshold))
@@ -1840,6 +1847,10 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         pfrom->fSuccessfullyConnected = true;
 
         printf("version message: version %d, blocks=%d\n", pfrom->nVersion, pfrom->nStartingHeight);
+        if(pfrom->nStartingHeight > nMaxBlocksOfPeers)
+        {
+            nMaxBlocksOfPeers = pfrom->nStartingHeight;
+        }
     }