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// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CHECKPOINT_H
#define BITCOIN_CHECKPOINT_H
#include <map>
#include "util.h"
class uint256;
class CBlockIndex;
//
// Block-chain checkpoints are compiled-in sanity checks.
// They are updated every release or three.
//
namespace Checkpoints
{
// Returns true if block passes checkpoint checks
bool CheckBlock(int nHeight, const uint256& hash);
// 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);
}
#endif