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// Copyright (c) 2009-2013 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_CHECKPOINT_H
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#define BITCOIN_CHECKPOINT_H
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#include <map>
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class CBlockIndex;
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class uint256;
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/** Block-chain checkpoints are compiled-in sanity checks.
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* They are updated every release or three.
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*/
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namespace Checkpoints
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{
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// Returns true if block passes checkpoint checks
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bool CheckBlock(int nHeight, const uint256& hash);
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// Return conservative estimate of total number of blocks, 0 if unknown
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int GetTotalBlocksEstimate();
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// Returns last CBlockIndex* in mapBlockIndex that is a checkpoint
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CBlockIndex* GetLastCheckpoint();
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double GuessVerificationProgress(CBlockIndex* pindex, bool fSigchecks = true);
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extern bool fEnabled;
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} //namespace Checkpoints
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#endif // BITCOIN_CHECKPOINT_H
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