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volume_discount_program.go
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volume_discount_program.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package governance
import (
"fmt"
"code.vegaprotocol.io/vega/core/netparams"
"code.vegaprotocol.io/vega/core/types"
)
func validateUpdateVolumeDiscountProgram(netp NetParams, p *types.UpdateVolumeDiscountProgram) (types.ProposalError, error) {
maxTiers, _ := netp.GetUint(netparams.VolumeDiscountProgramMaxBenefitTiers)
if len(p.Changes.VolumeBenefitTiers) > int(maxTiers.Uint64()) {
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))
}
maxDiscountFactor, _ := netp.GetDecimal(netparams.VolumeDiscountProgramMaxVolumeDiscountFactor)
for i, tier := range p.Changes.VolumeBenefitTiers {
if tier.VolumeDiscountFactor.GreaterThan(maxDiscountFactor) {
return types.ProposalErrorInvalidVolumeDiscountProgram, fmt.Errorf("tier %d defines a volume discount factor higher than the maximum allowed by the network parameter %q: maximum is %s, but got %s", i+1, netparams.VolumeDiscountProgramMaxVolumeDiscountFactor, maxDiscountFactor.String(), tier.VolumeDiscountFactor.String())
}
}
return 0, nil
}
func updatedVolumeDiscountProgramFromProposal(p *proposal) *types.VolumeDiscountProgram {
terms := p.Terms.GetUpdateVolumeDiscountProgram()
return &types.VolumeDiscountProgram{
ID: p.ID,
Version: terms.Changes.Version,
EndOfProgramTimestamp: terms.Changes.EndOfProgramTimestamp,
WindowLength: terms.Changes.WindowLength,
VolumeBenefitTiers: terms.Changes.VolumeBenefitTiers,
}
}