0g-chain/migrate/v0_15/incentive.go
Kevin Davis 3d65ba7caa
feat: add swap incentives (#1006)
* feat: add swap incentives

* add tests that verify swp annual rewards

* remove unused testdata file

* add test for swp delegator rewards
2021-08-19 12:33:40 -06:00

280 lines
12 KiB
Go

package v0_15
import (
"fmt"
"time"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
v0_15cdp "github.com/kava-labs/kava/x/cdp/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(cdc *codec.Codec, incentiveGS v0_14incentive.GenesisState, cdps v0_15cdp.CDPs) 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)
}
newMultipliers := v0_15incentive.MultipliersPerDenom{
{
Denom: "hard",
Multipliers: claimMultipliers,
},
{
Denom: "ukava",
Multipliers: claimMultipliers,
},
{
Denom: "swp",
Multipliers: v0_15incentive.Multipliers{
{
Name: v0_15incentive.Small,
MonthsLockup: 1,
Factor: sdk.MustNewDecFromStr("0.1"),
},
{
Name: v0_15incentive.Large,
MonthsLockup: 12,
Factor: sdk.OneDec(),
},
},
},
}
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)
}
delegatorRewardPeriods := v0_15incentive.MultiRewardPeriods{}
for _, rp := range incentiveGS.Params.HardDelegatorRewardPeriods {
rewardsPerSecond := sdk.NewCoins(rp.RewardsPerSecond, SwpDelegatorRewardsPerSecond)
delegatorRewardPeriod := v0_15incentive.NewMultiRewardPeriod(rp.Active,
rp.CollateralType, rp.Start, rp.End, rewardsPerSecond)
delegatorRewardPeriods = append(delegatorRewardPeriods, delegatorRewardPeriod)
}
swapRewardPeriods := v0_15incentive.MultiRewardPeriods{
v0_15incentive.NewMultiRewardPeriod(true, "bnb:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(47565)))),
v0_15incentive.NewMultiRewardPeriod(true, "btcb:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(47565)))),
v0_15incentive.NewMultiRewardPeriod(true, "busd:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(158549)))),
v0_15incentive.NewMultiRewardPeriod(true, "hard:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(47565)))),
v0_15incentive.NewMultiRewardPeriod(true, "swp:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(190259)))),
v0_15incentive.NewMultiRewardPeriod(true, "ukava:usdx", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(221969)))),
v0_15incentive.NewMultiRewardPeriod(true, "usdx:xrpb", GenesisTime, GenesisTime.Add(time.Hour*24*365*4), sdk.NewCoins(sdk.NewCoin("swp", sdk.NewInt(47565)))),
}
// Build new params from migrated values
params := v0_15incentive.NewParams(
usdxMintingRewardPeriods,
migrateMultiRewardPeriods(incentiveGS.Params.HardSupplyRewardPeriods),
migrateMultiRewardPeriods(incentiveGS.Params.HardBorrowRewardPeriods),
delegatorRewardPeriods,
swapRewardPeriods,
newMultipliers,
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 := migrateUSDXMintingClaims(incentiveGS.USDXMintingClaims)
usdxMintingFormattedIndexes := convertRewardIndexesToUSDXMintingIndexes(usdxGenesisRewardState.MultiRewardIndexes)
usdxMintingClaims = replaceUSDXClaimIndexes(usdxMintingClaims, usdxMintingFormattedIndexes)
usdxMintingClaims = ensureAllCDPsHaveClaims(usdxMintingClaims, cdps, usdxMintingFormattedIndexes)
var missedRewards map[string]sdk.Coin
cdc.MustUnmarshalJSON([]byte(missedUSDXMintingRewards), &missedRewards)
usdxMintingClaims = addRewards(usdxMintingClaims, missedRewards)
// 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,
)
}
// migrateUSDXMintingClaims converts the a slice of v0.14 USDX minting claims into v0.15 USDX minting claims.
// As both types are the same underneath, this just converts types and does no other modification.
func migrateUSDXMintingClaims(oldClaims v0_14incentive.USDXMintingClaims) v0_15incentive.USDXMintingClaims {
newClaims := v0_15incentive.USDXMintingClaims{}
for _, oldClaim := range oldClaims {
rewardIndexes := migrateRewardIndexes(oldClaim.RewardIndexes)
usdxMintingClaim := v0_15incentive.NewUSDXMintingClaim(oldClaim.Owner, oldClaim.Reward, rewardIndexes)
newClaims = append(newClaims, usdxMintingClaim)
}
return newClaims
}
// replaceUSDXClaimIndexes overwrites the reward indexes in all the claims with the current global indexes.
func replaceUSDXClaimIndexes(claims v0_15incentive.USDXMintingClaims, globalIndexes v0_15incentive.RewardIndexes) v0_15incentive.USDXMintingClaims {
var amendedClaims v0_15incentive.USDXMintingClaims
for _, claim := range claims {
claim.RewardIndexes = globalIndexes
amendedClaims = append(amendedClaims, claim)
}
return amendedClaims
}
// convertRewardIndexesToUSDXMintingIndexes converts a genesis reward indexes into the format used within usdx minting claims.
func convertRewardIndexesToUSDXMintingIndexes(mris v0_15incentive.MultiRewardIndexes) v0_15incentive.RewardIndexes {
var newIndexes v0_15incentive.RewardIndexes
for _, mri := range mris {
factor, found := mri.RewardIndexes.Get(v0_15incentive.USDXMintingRewardDenom)
if !found {
panic(fmt.Sprintf("found global usdx minting reward index without denom '%s': %s", v0_15incentive.USDXMintingRewardDenom, mri))
}
newIndexes = newIndexes.With(mri.CollateralType, factor)
}
return newIndexes
}
// ensureAllCDPsHaveClaims ensures that there is a claim for every cdp in the provided list.
// It uses the provided global indexes as the indexes for any added claim.
func ensureAllCDPsHaveClaims(newClaims v0_15incentive.USDXMintingClaims, cdps v0_15cdp.CDPs, globalIndexes v0_15incentive.RewardIndexes) v0_15incentive.USDXMintingClaims {
for _, cdp := range cdps {
claimFound := false
for _, claim := range newClaims {
if claim.Owner.Equals(cdp.Owner) {
claimFound = true
break
}
}
if !claimFound {
claim := v0_15incentive.NewUSDXMintingClaim(
cdp.Owner,
sdk.NewCoin(v0_15incentive.USDXMintingRewardDenom, sdk.ZeroInt()),
globalIndexes,
)
newClaims = append(newClaims, claim)
}
}
return newClaims
}
// addRewards adds some coins to a list of claims according to a map of address: coin.
// It panics if any coin denom doesn't match the denom in the claim.
func addRewards(newClaims v0_15incentive.USDXMintingClaims, rewards map[string]sdk.Coin) v0_15incentive.USDXMintingClaims {
var amendedClaims v0_15incentive.USDXMintingClaims
for _, claim := range newClaims {
r, found := rewards[claim.Owner.String()]
if found {
claim.Reward = claim.Reward.Add(r)
}
amendedClaims = append(amendedClaims, claim)
}
return amendedClaims
}
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
}