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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 types
import (
"fmt"
"time"
"code.vegaprotocol.io/vega/libs/num"
vegapb "code.vegaprotocol.io/vega/protos/vega"
)
type VolumeDiscountStats struct {
DiscountFactor num.Decimal
}
type VolumeDiscountProgram struct {
ID string
Version uint64
EndOfProgramTimestamp time.Time
WindowLength uint64
VolumeBenefitTiers []*VolumeBenefitTier
}
type VolumeBenefitTier struct {
MinimumRunningNotionalTakerVolume *num.Uint
VolumeDiscountFactor num.Decimal
}
func (v VolumeDiscountProgram) IntoProto() *vegapb.VolumeDiscountProgram {
benefitTiers := make([]*vegapb.VolumeBenefitTier, 0, len(v.VolumeBenefitTiers))
for _, tier := range v.VolumeBenefitTiers {
benefitTiers = append(benefitTiers, &vegapb.VolumeBenefitTier{
MinimumRunningNotionalTakerVolume: tier.MinimumRunningNotionalTakerVolume.String(),
VolumeDiscountFactor: tier.VolumeDiscountFactor.String(),
})
}
return &vegapb.VolumeDiscountProgram{
Version: v.Version,
Id: v.ID,
BenefitTiers: benefitTiers,
EndOfProgramTimestamp: v.EndOfProgramTimestamp.Unix(),
WindowLength: v.WindowLength,
}
}
func (v VolumeDiscountProgram) DeepClone() *VolumeDiscountProgram {
benefitTiers := make([]*VolumeBenefitTier, 0, len(v.VolumeBenefitTiers))
for _, tier := range v.VolumeBenefitTiers {
benefitTiers = append(benefitTiers, &VolumeBenefitTier{
MinimumRunningNotionalTakerVolume: tier.MinimumRunningNotionalTakerVolume.Clone(),
VolumeDiscountFactor: tier.VolumeDiscountFactor,
})
}
cpy := VolumeDiscountProgram{
ID: v.ID,
Version: v.Version,
EndOfProgramTimestamp: v.EndOfProgramTimestamp,
WindowLength: v.WindowLength,
VolumeBenefitTiers: benefitTiers,
}
return &cpy
}
func NewVolumeDiscountProgramFromProto(v *vegapb.VolumeDiscountProgram) *VolumeDiscountProgram {
if v == nil {
return &VolumeDiscountProgram{}
}
benefitTiers := make([]*VolumeBenefitTier, 0, len(v.BenefitTiers))
for _, tier := range v.BenefitTiers {
minimumRunningVolume, _ := num.UintFromString(tier.MinimumRunningNotionalTakerVolume, 10)
discountFactor, _ := num.DecimalFromString(tier.VolumeDiscountFactor)
benefitTiers = append(benefitTiers, &VolumeBenefitTier{
MinimumRunningNotionalTakerVolume: minimumRunningVolume,
VolumeDiscountFactor: discountFactor,
})
}
return &VolumeDiscountProgram{
ID: v.Id,
Version: v.Version,
EndOfProgramTimestamp: time.Unix(v.EndOfProgramTimestamp, 0),
WindowLength: v.WindowLength,
VolumeBenefitTiers: benefitTiers,
}
}
func (c VolumeDiscountProgram) String() string {
benefitTierStr := ""
for i, tier := range c.VolumeBenefitTiers {
if i > 1 {
benefitTierStr += ", "
}
benefitTierStr += fmt.Sprintf("%d(minimumRunningNotionalTakerVolume(%s), volumeDiscountFactor(%s))",
i,
tier.MinimumRunningNotionalTakerVolume.String(),
tier.VolumeDiscountFactor.String(),
)
}
return fmt.Sprintf(
"ID(%s), version(%d) endOfProgramTimestamp(%d), windowLength(%d), benefitTiers(%s)",
c.ID,
c.Version,
c.EndOfProgramTimestamp.Unix(),
c.WindowLength,
benefitTierStr,
)
}