X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fcheckpoints.cpp;h=2a2638844a3048b5fa007eab2f14484e8e333c0c;hb=3176e0f244d929669aa3e1d81e0787d82d9150d3;hp=80f6db6dce18a0fc4af76a1b401ceb52179d25df;hpb=83e34b29071b58d6578b197430d12c55d277a515;p=novacoin.git

diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index 80f6db6..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)
     {
@@ -351,6 +352,16 @@ 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