code.vegaprotocol.io/vega@v0.79.0/core/governance/volume_discount_program.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 governance
    17  
    18  import (
    19  	"fmt"
    20  
    21  	"code.vegaprotocol.io/vega/core/netparams"
    22  	"code.vegaprotocol.io/vega/core/types"
    23  )
    24  
    25  func validateUpdateVolumeDiscountProgram(netp NetParams, p *types.UpdateVolumeDiscountProgram) (types.ProposalError, error) {
    26  	maxTiers, _ := netp.GetUint(netparams.VolumeDiscountProgramMaxBenefitTiers)
    27  	if len(p.Changes.VolumeBenefitTiers) > int(maxTiers.Uint64()) {
    28  		return types.ProposalErrorInvalidVolumeDiscountProgram, fmt.Errorf("the number of tiers in the proposal is higher than the maximum allowed by the network parameter %q: maximum is %s, but got %d", netparams.VolumeDiscountProgramMaxBenefitTiers, maxTiers.String(), len(p.Changes.VolumeBenefitTiers))
    29  	}
    30  
    31  	maxDiscountFactor, _ := netp.GetDecimal(netparams.VolumeDiscountProgramMaxVolumeDiscountFactor)
    32  	for i, tier := range p.Changes.VolumeBenefitTiers {
    33  		if tier.VolumeDiscountFactors.Infra.GreaterThan(maxDiscountFactor) {
    34  			return types.ProposalErrorInvalidVolumeDiscountProgram, fmt.Errorf("tier %d defines a volume discount infrastructure factor higher than the maximum allowed by the network parameter %q: maximum is %s, but got %s", i+1, netparams.VolumeDiscountProgramMaxVolumeDiscountFactor, maxDiscountFactor.String(), tier.VolumeDiscountFactors.Infra.String())
    35  		}
    36  		if tier.VolumeDiscountFactors.Maker.GreaterThan(maxDiscountFactor) {
    37  			return types.ProposalErrorInvalidVolumeDiscountProgram, fmt.Errorf("tier %d defines a volume discount maker factor higher than the maximum allowed by the network parameter %q: maximum is %s, but got %s", i+1, netparams.VolumeDiscountProgramMaxVolumeDiscountFactor, maxDiscountFactor.String(), tier.VolumeDiscountFactors.Maker.String())
    38  		}
    39  		if tier.VolumeDiscountFactors.Liquidity.GreaterThan(maxDiscountFactor) {
    40  			return types.ProposalErrorInvalidVolumeDiscountProgram, fmt.Errorf("tier %d defines a volume discount liquidity factor higher than the maximum allowed by the network parameter %q: maximum is %s, but got %s", i+1, netparams.VolumeDiscountProgramMaxVolumeDiscountFactor, maxDiscountFactor.String(), tier.VolumeDiscountFactors.Liquidity.String())
    41  		}
    42  	}
    43  	return 0, nil
    44  }
    45  
    46  func updatedVolumeDiscountProgramFromProposal(p *proposal) *types.VolumeDiscountProgram {
    47  	terms := p.Terms.GetUpdateVolumeDiscountProgram()
    48  
    49  	return &types.VolumeDiscountProgram{
    50  		ID:                    p.ID,
    51  		Version:               terms.Changes.Version,
    52  		EndOfProgramTimestamp: terms.Changes.EndOfProgramTimestamp,
    53  		WindowLength:          terms.Changes.WindowLength,
    54  		VolumeBenefitTiers:    terms.Changes.VolumeBenefitTiers,
    55  	}
    56  }