0g-chain/migrate/v0_15/incentive.go

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package v0_15
import (
sdk "github.com/cosmos/cosmos-sdk/types"
v0_14incentive "github.com/kava-labs/kava/x/incentive/legacy/v0_14"
v0_15incentive "github.com/kava-labs/kava/x/incentive/types"
)
// Incentive migrates from a v0.14 incentive genesis state to a v0.15 incentive genesis state
func Incentive(incentiveGS v0_14incentive.GenesisState) v0_15incentive.GenesisState {
// Migrate params
claimMultipliers := v0_15incentive.Multipliers{}
for _, m := range incentiveGS.Params.ClaimMultipliers {
newMultiplier := v0_15incentive.NewMultiplier(v0_15incentive.MultiplierName(m.Name), m.MonthsLockup, m.Factor)
claimMultipliers = append(claimMultipliers, newMultiplier)
}
usdxMintingRewardPeriods := v0_15incentive.RewardPeriods{}
for _, rp := range incentiveGS.Params.USDXMintingRewardPeriods {
usdxMintingRewardPeriod := v0_15incentive.NewRewardPeriod(rp.Active,
rp.CollateralType, rp.Start, rp.End, rp.RewardsPerSecond)
usdxMintingRewardPeriods = append(usdxMintingRewardPeriods, usdxMintingRewardPeriod)
}
hardDelegatorRewardPeriods := v0_15incentive.MultiRewardPeriods{}
for _, rp := range incentiveGS.Params.HardDelegatorRewardPeriods {
rewardsPerSecond := sdk.NewCoins(rp.RewardsPerSecond, SwpRewardsPerSecond)
hardDelegatorRewardPeriod := v0_15incentive.NewMultiRewardPeriod(rp.Active,
rp.CollateralType, rp.Start, rp.End, rewardsPerSecond)
hardDelegatorRewardPeriods = append(hardDelegatorRewardPeriods, hardDelegatorRewardPeriod)
}
swapRewardPeriods := v0_15incentive.DefaultMultiRewardPeriods
// TODO add expected swap reward periods
// Build new params from migrated values
params := v0_15incentive.NewParams(
usdxMintingRewardPeriods,
migrateMultiRewardPeriods(incentiveGS.Params.HardSupplyRewardPeriods),
migrateMultiRewardPeriods(incentiveGS.Params.HardBorrowRewardPeriods),
hardDelegatorRewardPeriods,
swapRewardPeriods,
claimMultipliers,
incentiveGS.Params.ClaimEnd,
)
// Migrate accumulation times and reward indexes
usdxGenesisRewardState := migrateGenesisRewardState(incentiveGS.USDXAccumulationTimes, incentiveGS.USDXRewardIndexes)
hardSupplyGenesisRewardState := migrateGenesisRewardState(incentiveGS.HardSupplyAccumulationTimes, incentiveGS.HardSupplyRewardIndexes)
hardBorrowGenesisRewardState := migrateGenesisRewardState(incentiveGS.HardBorrowAccumulationTimes, incentiveGS.HardBorrowRewardIndexes)
delegatorGenesisRewardState := migrateGenesisRewardState(incentiveGS.HardDelegatorAccumulationTimes, incentiveGS.HardDelegatorRewardIndexes)
swapGenesisRewardState := v0_15incentive.DefaultGenesisRewardState // There is no previous swap rewards so accumulation starts at genesis time.
// Migrate USDX minting claims
usdxMintingClaims := v0_15incentive.USDXMintingClaims{}
for _, claim := range incentiveGS.USDXMintingClaims {
rewardIndexes := migrateRewardIndexes(claim.RewardIndexes)
usdxMintingClaim := v0_15incentive.NewUSDXMintingClaim(claim.Owner, claim.Reward, rewardIndexes)
usdxMintingClaims = append(usdxMintingClaims, usdxMintingClaim)
}
// Migrate Hard protocol claims (includes creating new Delegator claims)
hardClaims := v0_15incentive.HardLiquidityProviderClaims{}
delegatorClaims := v0_15incentive.DelegatorClaims{}
for _, claim := range incentiveGS.HardLiquidityProviderClaims {
// Migrate supply multi reward indexes
supplyMultiRewardIndexes := migrateMultiRewardIndexes(claim.SupplyRewardIndexes)
// Migrate borrow multi reward indexes
borrowMultiRewardIndexes := migrateMultiRewardIndexes(claim.BorrowRewardIndexes)
// Migrate delegator reward indexes to multi reward indexes inside DelegatorClaims
delegatorMultiRewardIndexes := v0_15incentive.MultiRewardIndexes{}
delegatorRewardIndexes := v0_15incentive.RewardIndexes{}
for _, ri := range claim.DelegatorRewardIndexes {
// TODO add checks to ensure old reward indexes are as expected
delegatorRewardIndex := v0_15incentive.NewRewardIndex(v0_14incentive.HardLiquidityRewardDenom, ri.RewardFactor)
delegatorRewardIndexes = append(delegatorRewardIndexes, delegatorRewardIndex)
}
// TODO should this include indexes if none exist on the old claim?
delegatorMultiRewardIndex := v0_15incentive.NewMultiRewardIndex(v0_14incentive.BondDenom, delegatorRewardIndexes)
delegatorMultiRewardIndexes = append(delegatorMultiRewardIndexes, delegatorMultiRewardIndex)
// TODO: It's impossible to distinguish between rewards from delegation vs. liquidity providing
// as they're all combined inside claim.Reward, so I'm just putting them all inside
// the hard claim to avoid duplicating rewards.
delegatorClaim := v0_15incentive.NewDelegatorClaim(claim.Owner, sdk.NewCoins(), delegatorMultiRewardIndexes)
delegatorClaims = append(delegatorClaims, delegatorClaim)
hardClaim := v0_15incentive.NewHardLiquidityProviderClaim(claim.Owner, claim.Reward,
supplyMultiRewardIndexes, borrowMultiRewardIndexes)
hardClaims = append(hardClaims, hardClaim)
}
// Add Swap Claims
swapClaims := v0_15incentive.DefaultSwapClaims
return v0_15incentive.NewGenesisState(
params,
usdxGenesisRewardState,
hardSupplyGenesisRewardState,
hardBorrowGenesisRewardState,
delegatorGenesisRewardState,
swapGenesisRewardState,
usdxMintingClaims,
hardClaims,
delegatorClaims,
swapClaims,
)
}
func migrateMultiRewardPeriods(oldPeriods v0_14incentive.MultiRewardPeriods) v0_15incentive.MultiRewardPeriods {
newPeriods := v0_15incentive.MultiRewardPeriods{}
for _, rp := range oldPeriods {
newPeriod := v0_15incentive.NewMultiRewardPeriod(
rp.Active,
rp.CollateralType,
rp.Start,
rp.End,
rp.RewardsPerSecond,
)
newPeriods = append(newPeriods, newPeriod)
}
return newPeriods
}
func migrateGenesisRewardState(oldAccumulationTimes v0_14incentive.GenesisAccumulationTimes, oldIndexes v0_14incentive.GenesisRewardIndexesSlice) v0_15incentive.GenesisRewardState {
accumulationTimes := v0_15incentive.AccumulationTimes{}
for _, t := range oldAccumulationTimes {
newAccumulationTime := v0_15incentive.NewAccumulationTime(t.CollateralType, t.PreviousAccumulationTime)
accumulationTimes = append(accumulationTimes, newAccumulationTime)
}
multiRewardIndexes := v0_15incentive.MultiRewardIndexes{}
for _, gri := range oldIndexes {
multiRewardIndex := v0_15incentive.NewMultiRewardIndex(gri.CollateralType, migrateRewardIndexes(gri.RewardIndexes))
multiRewardIndexes = append(multiRewardIndexes, multiRewardIndex)
}
return v0_15incentive.NewGenesisRewardState(
accumulationTimes,
multiRewardIndexes,
)
}
func migrateMultiRewardIndexes(oldIndexes v0_14incentive.MultiRewardIndexes) v0_15incentive.MultiRewardIndexes {
newIndexes := v0_15incentive.MultiRewardIndexes{}
for _, mri := range oldIndexes {
multiRewardIndex := v0_15incentive.NewMultiRewardIndex(
mri.CollateralType,
migrateRewardIndexes(mri.RewardIndexes),
)
newIndexes = append(newIndexes, multiRewardIndex)
}
return newIndexes
}
func migrateRewardIndexes(oldIndexes v0_14incentive.RewardIndexes) v0_15incentive.RewardIndexes {
newIndexes := v0_15incentive.RewardIndexes{}
for _, ri := range oldIndexes {
rewardIndex := v0_15incentive.NewRewardIndex(ri.CollateralType, ri.RewardFactor)
newIndexes = append(newIndexes, rewardIndex)
}
return newIndexes
}