Merge branch 'master' of github.com:novacoin-project/novacoin

[novacoin.git] / src / checkpoints.h

diff --git a/src/checkpoints.h b/src/checkpoints.h
index f14e610..a2b9731 100644 (file)
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -1,16 +1,21 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
-// Copyright (c) 2011-2012 The PPCoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_CHECKPOINT_H
 #define  BITCOIN_CHECKPOINT_H
 
 #include <map>
-#include "net.h"
 #include "util.h"
+#include "net.h"
+
+// max 1 hour before latest block
+static const int64_t CHECKPOINT_MAX_SPAN = nOneHour;
 
-#define STAKE_MIN_AGE (60 * 60 * 24)      // minimum age for coin age
-#define CHECKPOINT_MAX_SPAN (60 * 60 * 4) // max 4 hours before latest block
+#ifdef WIN32
+#undef STRICT
+#undef PERMISSIVE
+#undef ADVISORY
+#endif
 
 class uint256;
 class CBlockIndex;
@@ -21,15 +26,32 @@ class CSyncCheckpoint;
  */
 namespace Checkpoints
 {
+    /** Checkpointing mode */
+    enum CPMode
+    {
+        // Scrict checkpoints policy, perform conflicts verification and resolve conflicts
+        STRICT = 0,
+        // Advisory checkpoints policy, perform conflicts verification but don't try to resolve them
+        ADVISORY = 1,
+        // Permissive checkpoints policy, don't perform any checking
+        PERMISSIVE = 2
+    };
+
     // Returns true if block passes checkpoint checks
     bool CheckHardened(int nHeight, const uint256& hash);
 
+    // Returns true if block passes banlist checks
+    bool CheckBanned(const uint256 &nHash);
+
     // Return conservative estimate of total number of blocks, 0 if unknown
     int GetTotalBlocksEstimate();
 
     // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
     CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex);
 
+    // Returns last checkpoint timestamp
+    unsigned int GetLastCheckpointTime();
+
     extern uint256 hashSyncCheckpoint;
     extern CSyncCheckpoint checkpointMessage;
     extern uint256 hashInvalidCheckpoint;
@@ -45,6 +67,7 @@ namespace Checkpoints
     void AskForPendingSyncCheckpoint(CNode* pfrom);
     bool SetCheckpointPrivKey(std::string strPrivKey);
     bool SendSyncCheckpoint(uint256 hashCheckpoint);
+    bool IsMatureSyncCheckpoint();
 }
 
 // ppcoin: synchronized checkpoint
@@ -77,11 +100,6 @@ public:
             nVersion,
             hashCheckpoint.ToString().c_str());
     }
-
-    void print() const
-    {
-        printf("%s", ToString().c_str());
-    }
 };
 
 class CSyncCheckpoint : public CUnsignedSyncCheckpoint