default_poprewards_calculator.hpp

// Copyright (c) 2019-2022 Xenios SEZC
// https://www.veriblock.org
// Distributed under the MIT software license, see the accompanying
// file LICENSE or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef ALT_INTEGRATION_INCLUDE_VERIBLOCK_DEFAULT_POPREWARDS_CALCULATOR_HPP_
#define ALT_INTEGRATION_INCLUDE_VERIBLOCK_DEFAULT_POPREWARDS_CALCULATOR_HPP_
 
#include <veriblock/pop/blockchain/alt_block_tree.hpp>
#include <veriblock/pop/entities/pop_payouts.hpp>
 
#include "poprewards_bigdecimal.hpp"
#include "poprewards_calculator.hpp"
 
namespace altintegration {
 
struct DefaultPopRewardsCalculator : public PopRewardsCalculator {
  using index_t = AltBlockTree::index_t;
 
  DefaultPopRewardsCalculator(AltBlockTree& tree)
      : tree_(tree) {}
  ~DefaultPopRewardsCalculator() override = default;
 
  bool getPopPayout(const AltBlockTree::hash_t& tip,
                    PopPayouts& rewards,
                    ValidationState& state) override;
 
  bool calculatePayouts(const BlockIndex<AltBlock>& endorsedBlock,
                        PopPayouts& rewards,
                        ValidationState& state);
 
  PopRewardsBigDecimal scoreFromEndorsements(
      const BlockIndex<AltBlock>& endorsedBlock);
 
  uint32_t getRoundForBlockNumber(uint32_t height) const;
 
  PopRewardsBigDecimal calculateBlockReward(
      uint32_t height,
      PopRewardsBigDecimal scoreForThisBlock,
      PopRewardsBigDecimal difficulty) const;
 
  PopRewardsBigDecimal calculateMinerReward(
      uint32_t vbkRelativeHeight,
      const PopRewardsBigDecimal& scoreForThisBlock,
      const PopRewardsBigDecimal& blockReward) const;
 
 protected:
  AltBlockTree& tree_;
 
  PopRewardsBigDecimal getScoreMultiplierFromRelativeBlock(
      int relativeBlock) const;
 
  PopRewardsBigDecimal calculateDifficulty(const BlockIndex<AltBlock>& tip);
 
  bool calculatePayoutsInner(const BlockIndex<AltBlock>& endorsedBlock,
                             const PopRewardsBigDecimal& endorsedBlockScore,
                             const PopRewardsBigDecimal& popDifficulty,
                             PopPayouts& rewards,
                             ValidationState& state);
};
 
}  // namespace altintegration
 
#endif  // ALT_INTEGRATION_INCLUDE_VERIBLOCK_DEFAULT_POPREWARDS_CALCULATOR_HPP_