lbrycrd/src/checkpoints.h
2014-04-02 03:48:07 +02:00

32 lines
938 B
C++

// Copyright (c) 2009-2013 The Bitcoin 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>
class CBlockIndex;
class uint256;
/** 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);
double GuessVerificationProgress(CBlockIndex *pindex, bool fSigchecks = true);
extern bool fEnabled;
}
#endif