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// Copyright (c) 2009-2013 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or
#include "uint256.h"
#include <map>
class CBlockIndex;
/** Block-chain checkpoints are compiled-in sanity checks.
* They are updated every release or three.
namespace Checkpoints
typedef std::map<int, uint256> MapCheckpoints;
struct CCheckpointData {
const MapCheckpoints *mapCheckpoints;
int64_t nTimeLastCheckpoint;
int64_t nTransactionsLastCheckpoint;
double fTransactionsPerDay;
// 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();
double GuessVerificationProgress(CBlockIndex* pindex, bool fSigchecks = true);
extern bool fEnabled;
} //namespace Checkpoints