1 // Copyright (c) 2011 The Bitcoin developers
2 // Distributed under the MIT/X11 software license, see the accompanying
3 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
4 #ifndef BITCOIN_CHECKPOINT_H
5 #define BITCOIN_CHECKPOINT_H
10 // Block-chain checkpoints are compiled-in sanity checks.
11 // They are updated every release or three.
15 // Returns true if block passes checkpoint checks
16 bool CheckBlock(int nHeight, const uint256& hash);
18 // Return conservative estimate of total number of blocks, 0 if unknown
19 int GetTotalBlocksEstimate();