zcashd/src/checkpoints.h

35 lines
1.0 KiB
C++

// Copyright (c) 2009-2014 The Bitcoin Core developers
// Copyright (c) 2017-2023 The Zcash developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or https://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);
bool IsAncestorOfLastCheckpoint(const CCheckpointData& data, const CBlockIndex* pindex);
} //namespace Checkpoints
#endif // BITCOIN_CHECKPOINTS_H