checkpoints.cpp
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checkpoints.cpp
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	// Copyright (c) 2009-2016 The Bitcoin Core developers
	// Distributed under the MIT software license, see the accompanying
	// file COPYING or http://www.opensource.org/licenses/mit-license.php.

	#include "checkpoints.h"

	#include "chain.h"
	#include "chainparams.h"
	#include "uint256.h"
	#include "validation.h"

	#include <cstdint>

	#include <boost/range/adaptor/reversed.hpp>

	namespace Checkpoints {

	CBlockIndex *GetLastCheckpoint(const CCheckpointData &data) {
	const MapCheckpoints &checkpoints = data.mapCheckpoints;

	for (const MapCheckpoints::value_type &i :
	boost::adaptors::reverse(checkpoints)) {
	const uint256 &hash = i.second;
	BlockMap::const_iterator t = mapBlockIndex.find(hash);
	if (t != mapBlockIndex.end()) return t->second;
	}
	return NULL;
	}

	} // namespace Checkpoints