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Diffstat (limited to 'src/checkpoints.h')
-rw-r--r-- | src/checkpoints.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/checkpoints.h b/src/checkpoints.h new file mode 100644 index 0000000000..a49a908a38 --- /dev/null +++ b/src/checkpoints.h @@ -0,0 +1,31 @@ +// Copyright (c) 2009-2012 The Bitcoin developers +// Distributed under the MIT/X11 software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. +#ifndef BITCOIN_CHECKPOINT_H +#define BITCOIN_CHECKPOINT_H + +#include <map> + +class uint256; +class CBlockIndex; + +/** Block-chain checkpoints are compiled-in sanity checks. + * They are updated every release or three. + */ +namespace Checkpoints +{ + // Returns true if block passes checkpoint checks + bool CheckBlock(int nHeight, const uint256& hash); + + // Return conservative estimate of total number of blocks, 0 if unknown + int GetTotalBlocksEstimate(); + + // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint + CBlockIndex* GetLastCheckpoint(const std::map<uint256, CBlockIndex*>& mapBlockIndex); + + double GuessVerificationProgress(CBlockIndex *pindex); + + extern bool fEnabled; +} + +#endif |