lbrycrd/src/checkpoints.h
2015-12-13 18:08:39 +01:00

32 lines
902 B
C++

// Copyright (c) 2009-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CHECKPOINTS_H
#define BITCOIN_CHECKPOINTS_H
#include "uint256.h"
#include <map>
class CBlockIndex;
struct CCheckpointData;
/**
* Block-chain checkpoints are compiled-in sanity checks.
* They are updated every release or three.
*/
namespace Checkpoints
{
//! Return conservative estimate of total number of blocks, 0 if unknown
int GetTotalBlocksEstimate(const CCheckpointData& data);
//! Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
CBlockIndex* GetLastCheckpoint(const CCheckpointData& data);
double GuessVerificationProgress(const CCheckpointData& data, CBlockIndex* pindex, bool fSigchecks = true);
} //namespace Checkpoints
#endif // BITCOIN_CHECKPOINTS_H