code.vegaprotocol.io/vega@v0.79.0/core/rewards/validator_ranking_reward_calculator.go (about)

     1  // Copyright (C) 2023 Gobalsky Labs Limited
     2  //
     3  // This program is free software: you can redistribute it and/or modify
     4  // it under the terms of the GNU Affero General Public License as
     5  // published by the Free Software Foundation, either version 3 of the
     6  // License, or (at your option) any later version.
     7  //
     8  // This program is distributed in the hope that it will be useful,
     9  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    10  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    11  // GNU Affero General Public License for more details.
    12  //
    13  // You should have received a copy of the GNU Affero General Public License
    14  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    15  
    16  package rewards
    17  
    18  import (
    19  	"time"
    20  
    21  	"code.vegaprotocol.io/vega/core/types"
    22  	"code.vegaprotocol.io/vega/libs/num"
    23  )
    24  
    25  func calculateRewardsForValidators(epochSeq, asset, accountID string, balance *num.Uint, timestamp time.Time, rankingScoreContributions []*types.PartyContributionScore, lockForEpochs uint64) *payout {
    26  	if balance.IsZero() || balance.IsNegative() {
    27  		return nil
    28  	}
    29  
    30  	total := num.DecimalZero()
    31  	for _, pcs := range rankingScoreContributions {
    32  		total = total.Add(pcs.Score)
    33  	}
    34  
    35  	if total.IsZero() {
    36  		return nil
    37  	}
    38  	normalise(rankingScoreContributions, total)
    39  
    40  	po := &payout{
    41  		asset:           asset,
    42  		fromAccount:     accountID,
    43  		epochSeq:        epochSeq,
    44  		timestamp:       timestamp.Unix(),
    45  		partyToAmount:   map[string]*num.Uint{},
    46  		lockedForEpochs: lockForEpochs,
    47  		totalReward:     num.UintZero(),
    48  	}
    49  	for _, pcs := range rankingScoreContributions {
    50  		r, _ := num.UintFromDecimal(pcs.Score.Mul(balance.ToDecimal()))
    51  		po.partyToAmount[pcs.Party] = r
    52  		po.totalReward.AddSum(r)
    53  	}
    54  	return po
    55  }