-// Copyright (c) 2011 The Bitcoin developers
+// 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 license.txt or http://www.opensource.org/licenses/mit-license.php.
+// 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"
-// ppcoin: auto checkpoint min at 8 hours; max at 16 hours
-#define AUTO_CHECKPOINT_MIN_SPAN (60 * 60 * 8)
-#define AUTO_CHECKPOINT_MAX_SPAN (60 * 60 * 16)
-#define AUTO_CHECKPOINT_TRUST_SPAN (60 * 60 * 24)
+#define STAKE_MIN_AGE (60 * 60 * 24) // minimum age for coin age
+#define CHECKPOINT_MIN_SPAN (60 * 60 * 4) // 4 hours checkpoint
class uint256;
class CBlockIndex;
class CSyncCheckpoint;
-//
-// Block-chain checkpoints are compiled-in sanity checks.
-// They are updated every release or three.
-//
+/** Block-chain checkpoints are compiled-in sanity checks.
+ * They are updated every release or three.
+ */
namespace Checkpoints
{
// Returns true if block passes checkpoint checks
extern CCriticalSection cs_hashSyncCheckpoint;
CBlockIndex* GetLastSyncCheckpoint();
+ bool WriteSyncCheckpoint(const uint256& hashCheckpoint);
bool AcceptPendingSyncCheckpoint();
uint256 AutoSelectSyncCheckpoint();
bool CheckSync(const uint256& hashBlock, const CBlockIndex* pindexPrev);
bool WantedByPendingSyncCheckpoint(uint256 hashBlock);
+ bool ResetSyncCheckpoint();
+ void AskForPendingSyncCheckpoint(CNode* pfrom);
}
// ppcoin: synchronized checkpoint