Moved checkpoints out of main, to prep for using them to help prevent DoS attacks
[novacoin.git] / src / checkpoints.cpp
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
5 #include "checkpoints.h"
6 #include "uint256.h"
7 #include "util.h"
8
9 #include <boost/assign/list_of.hpp> // for 'map_list_of()'
10
11 namespace Checkpoints
12 {
13     typedef std::map<int, uint256> MapCheckpoints;
14
15     static MapCheckpoints mapCheckpoints =
16         boost::assign::map_list_of
17         ( 11111, uint256("0x0000000069e244f73d78e8fd29ba2fd2ed618bd6fa2ee92559f542fdb26e7c1d"))
18         ( 33333, uint256("0x000000002dd5588a74784eaa7ab0507a18ad16a236e7b1ce69f00d7ddfb5d0a6"))
19         ( 68555, uint256("0x00000000001e1b4903550a0b96e9a9405c8a95f387162e4944e8d9fbe501cd6a"))
20         ( 70567, uint256("0x00000000006a49b14bcf27462068f1264c961f11fa2e0eddd2be0791e1d4124a"))
21         ( 74000, uint256("0x0000000000573993a3c9e41ce34471c079dcf5f52a0e824a81e7f953b8661a20"))
22         (105000, uint256("0x00000000000291ce28027faea320c8d2b054b2e0fe44a773f3eefb151d6bdc97"))
23         (118000, uint256("0x000000000000774a7f8a7a12dc906ddb9e17e75d684f15e00f8767f9e8f36553"))
24         (134444, uint256("0x00000000000005b12ffd4cd315cd34ffd4a594f430ac814c91184a0d42d2b0fe"))
25         (140700, uint256("0x000000000000033b512028abb90e1626d8b346fd0ed598ac0a3c371138dce2bd"))
26         ;
27
28     bool CheckBlock(int nHeight, const uint256& hash)
29     {
30         if (fTestNet) return true; // Testnet has no checkpoints
31
32         MapCheckpoints::const_iterator i = mapCheckpoints.find(nHeight);
33         if (i == mapCheckpoints.end()) return true;
34         return hash == i->second;
35     }
36
37     int GetTotalBlocksEstimate()
38     {
39         if (fTestNet) return 0; // Testnet has no checkpoints
40
41         return mapCheckpoints.rbegin()->first;
42     }
43 }