poa.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin developers
// Copyright (c) 2018-2019 The DAPS Project developers
// Copyright (c) 2020-2022 The PRivaCY Coin Developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_POA_H
#define BITCOIN_POA_H
 
#include <stdint.h>
#include <primitives/block.h>
 
class CBlockHeader;
class CBlockIndex;
class uint256;
class arith_uint256;
 
// Define difficulty retarget algorithms
enum DiffMode {
    DIFF_DEFAULT = 0, // Default to invalid 0
    DIFF_BTC = 1,     // Retarget every x blocks (Bitcoin style)
    DIFF_KGW = 2,     // Retarget using Kimoto Gravity Well
    DIFF_DGW = 3,     // Retarget using Dark Gravity Wave v3
};
 
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader* pblock);
 
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
uint256 GetBlockProof(const CBlockIndex& block);
 
extern unsigned int N_BITS;
 
//Check PoA block header consensus rules
bool CheckPrevPoABlockHash(const CBlockHeader& block);
 
bool CheckPoAMerkleRoot(const CBlock& block, bool* fMutate = NULL);
 
bool CheckPoABlockMinedHash(const CBlockHeader& block);
 
bool CheckPoAContainRecentHash(const CBlock& block);
bool CheckNumberOfAuditedPoSBlocks(const CBlock& block, const CBlockIndex* pindex);
bool CheckPoABlockNotContainingPoABlockInfo(const CBlock& block, const CBlockIndex* pindex);
 
bool CheckPoAblockTime(const CBlock& block);
bool CheckPoABlockNotAuditingOverlap(const CBlock& block);
bool CheckPoABlockRewardAmount(const CBlock& block, const CBlockIndex* pindex);
bool CheckPoABlockPaddingAmount(const CBlock& block, const CBlockIndex* pindex);
bool IsFixedAudit(std::string txid, int nHeight);
bool IsWrongAudit(std::string txid, int nHeight);
 
#endif // BITCOIN_POA_H