stakecontender.h

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// Copyright (c) 2024 The Bitcoin developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_AVALANCHE_STAKECONTENDER_H
#define BITCOIN_AVALANCHE_STAKECONTENDER_H
 
#include <arith_uint256.h>
#include <hash.h>
#include <uint256.h>
 
#include <cmath>
 
struct BlockHash;
 
namespace avalanche {
 
struct ProofId;
 
struct StakeContenderId : public uint256 {
    explicit StakeContenderId() : uint256() {}
    explicit StakeContenderId(const uint256 &b) : uint256(b) {}
    explicit StakeContenderId(const BlockHash &prevblockhash,
                              const ProofId &proofid)
        : uint256(Hash(prevblockhash, proofid)) {}
 
    double ComputeProofRewardRank(uint32_t proofScore) {
        return (256.0 - std::log2(UintToArith256(*this).getdouble())) /
               proofScore;
    }
};
 
} // namespace avalanche
 
#endif // BITCOIN_AVALANCHE_STAKECONTENDER_H