/*
 * This file is part of the Flowee project
 * Copyright (C) 2009-2015 The Bitcoin Core developers
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef FLOWEE_CHECKPOINTS_H
#define FLOWEE_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