Moved checkpoints out of main, to prep for using them to help prevent DoS attacks
[novacoin.git] / src / checkpoints.h
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
6
7 class uint256;
8
9 //
10 // Block-chain checkpoints are compiled-in sanity checks.
11 // They are updated every release or three.
12 //
13 namespace Checkpoints
14 {
15     // Returns true if block passes checkpoint checks
16     bool CheckBlock(int nHeight, const uint256& hash);
17
18     // Return conservative estimate of total number of blocks, 0 if unknown
19     int GetTotalBlocksEstimate();
20 }
21
22 #endif