X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fcheckpoints.cpp;h=2a2638844a3048b5fa007eab2f14484e8e333c0c;hb=3176e0f244d929669aa3e1d81e0787d82d9150d3;hp=94e5c23712d9e384ab2faaf16545ab287f8c8a82;hpb=c92c001769447619f77841511fd022000af71988;p=novacoin.git

diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 94e5c23..2a26388 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
+// Copyright (c) 2011-2013 The PPCoin developers
+// Copyright (c) 2013 NovaCoin Developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -26,7 +27,7 @@ namespace Checkpoints
     static MapCheckpoints mapCheckpoints =
         boost::assign::map_list_of
         ( 0, hashGenesisBlockOfficial )
-        ; // ppcoin: no checkpoint yet; to be created in future releases
+        ;
 
     bool CheckHardened(int nHeight, const uint256& hash)
     {
@@ -195,7 +196,7 @@ namespace Checkpoints
         // Select the last proof-of-work block
         const CBlockIndex *pindex = GetLastBlockIndex(pindexBest, false);
         // Search forward for a block within max span and maturity window
-        while (pindex->pnext && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN <= pindexBest->GetBlockTime() || pindex->nHeight + nCoinbaseMaturity - 20 <= pindexBest->nHeight))
+        while (pindex->pnext && (pindex->GetBlockTime() + CHECKPOINT_MAX_SPAN <= pindexBest->GetBlockTime() || pindex->nHeight + std::min(6, nCoinbaseMaturity - 20) <= pindexBest->nHeight))
             pindex = pindex->pnext;
         return pindex->GetBlockHash();
     }
@@ -351,10 +352,20 @@ namespace Checkpoints
         return (nBestHeight >= pindexSync->nHeight + nCoinbaseMaturity ||
                 pindexSync->GetBlockTime() + nStakeMinAge < GetAdjustedTime());
     }
+
+    // Is the sync-checkpoint too old?
+    bool IsSyncCheckpointTooOld(unsigned int nSeconds)
+    {
+        LOCK(cs_hashSyncCheckpoint);
+        // sync-checkpoint should always be accepted block
+        assert(mapBlockIndex.count(hashSyncCheckpoint));
+        const CBlockIndex* pindexSync = mapBlockIndex[hashSyncCheckpoint];
+        return (pindexSync->GetBlockTime() + nSeconds < GetAdjustedTime());
+    }
 }
 
 // ppcoin: sync-checkpoint master key
-const std::string CSyncCheckpoint::strMasterPubKey = "04c0c707c28533fd5c9f79d2d3a2d80dff259ad8f915241cd14608fb9bc07c74830efe8438f2b272a866b4af5e0c2cc2a9909972aefbd976937e39f46bb38c277c";
+const std::string CSyncCheckpoint::strMasterPubKey = "04a51b735f816de4ec3f891d5b38bbc91e1f7245c7c08d17990760b86b4d8fc3910a850ffecf73bfa8886f01739a0c4c4322201282d07b6e48ce931cc92af94850";
 
 std::string CSyncCheckpoint::strMasterPrivKey = "";