aboutsummaryrefslogtreecommitdiff
path: root/src/pow.h
blob: 0ce5b48766a8d5018fb4b968398332f6d4301f0a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 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_POW_H
#define BITCOIN_POW_H

#include <stdint.h>

class CBlockIndex;
class CBlockHeader;
class uint256;

unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock);

/** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
/** Calculate the minimum amount of work a received block needs, without knowing its direct parent */
unsigned int ComputeMinWork(unsigned int nBase, int64_t nTime);

#endif