Hard incentive reward querier updates for acceptance (#782)

* simulate hard reward sync for querier

* test hard sync simulations

* simulate usdx minting sync for querier

* test usdx minting reward simulation
This commit is contained in:
Denali Marsh 2021-01-29 21:32:07 +01:00 committed by GitHub
parent 92a2425668
commit b5e02fde35
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 624 additions and 2 deletions

View File

@ -27,4 +27,10 @@ func BeginBlocker(ctx sdk.Context, k keeper.Keeper) {
panic(err)
}
}
for _, rp := range params.HardDelegatorRewardPeriods {
err := k.AccumulateHardDelegatorRewards(ctx, rp)
if err != nil {
panic(err)
}
}
}

View File

@ -67,8 +67,14 @@ func queryGetHardRewards(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]by
paginatedHardClaims = hardClaims[startH:endH]
}
var augmentedHardClaims types.HardLiquidityProviderClaims
for _, claim := range paginatedHardClaims {
augmentedClaim := k.SimulateHardSynchronization(ctx, claim)
augmentedHardClaims = append(augmentedHardClaims, augmentedClaim)
}
// Marshal Hard claims
bz, err := codec.MarshalJSONIndent(k.cdc, paginatedHardClaims)
bz, err := codec.MarshalJSONIndent(k.cdc, augmentedHardClaims)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
@ -102,8 +108,14 @@ func queryGetUSDXMintingRewards(ctx sdk.Context, req abci.RequestQuery, k Keeper
paginatedUsdxMintingClaims = usdxMintingClaims[startU:endU]
}
var augmentedUsdxMintingClaims types.USDXMintingClaims
for _, claim := range paginatedUsdxMintingClaims {
augmentedClaim := k.SimulateUSDXMintingSynchronization(ctx, claim)
augmentedUsdxMintingClaims = append(augmentedUsdxMintingClaims, augmentedClaim)
}
// Marshal USDX minting claims
bz, err := codec.MarshalJSONIndent(k.cdc, paginatedUsdxMintingClaims)
bz, err := codec.MarshalJSONIndent(k.cdc, augmentedUsdxMintingClaims)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}

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@ -587,3 +587,171 @@ func CalculateTimeElapsed(rewardPeriod types.RewardPeriod, blockTime time.Time,
blockTime.Sub(previousAccrualTime).Seconds(),
)))
}
// SimulateHardSynchronization calculates a user's outstanding hard rewards by simulating reward synchronization
func (k Keeper) SimulateHardSynchronization(ctx sdk.Context, claim types.HardLiquidityProviderClaim) types.HardLiquidityProviderClaim {
// 1. Simulate Hard supply-side rewards
for _, ri := range claim.SupplyRewardIndexes {
supplyFactor, found := k.GetHardSupplyRewardFactor(ctx, ri.CollateralType)
if !found {
continue
}
supplyIndex, hasSupplyRewardIndex := claim.HasSupplyRewardIndex(ri.CollateralType)
if !hasSupplyRewardIndex {
continue
}
claim.SupplyRewardIndexes[supplyIndex].RewardFactor = supplyFactor
rewardsAccumulatedFactor := supplyFactor.Sub(ri.RewardFactor)
if rewardsAccumulatedFactor.IsZero() {
continue
}
deposit, found := k.hardKeeper.GetDeposit(ctx, claim.GetOwner())
if !found {
continue
}
var newRewardsAmount sdk.Int
if deposit.Amount.AmountOf(ri.CollateralType).GT(sdk.ZeroInt()) {
newRewardsAmount = rewardsAccumulatedFactor.Mul(deposit.Amount.AmountOf(ri.CollateralType).ToDec()).RoundInt()
if newRewardsAmount.IsZero() || newRewardsAmount.IsNegative() {
continue
}
}
newRewardsCoin := sdk.NewCoin(types.HardLiquidityRewardDenom, newRewardsAmount)
claim.Reward = claim.Reward.Add(newRewardsCoin)
}
// 2. Simulate Hard borrow-side rewards
for _, ri := range claim.BorrowRewardIndexes {
borrowFactor, found := k.GetHardBorrowRewardFactor(ctx, ri.CollateralType)
if !found {
continue
}
borrowIndex, hasBorrowRewardIndex := claim.HasBorrowRewardIndex(ri.CollateralType)
if !hasBorrowRewardIndex {
continue
}
claim.BorrowRewardIndexes[borrowIndex].RewardFactor = borrowFactor
rewardsAccumulatedFactor := borrowFactor.Sub(ri.RewardFactor)
if rewardsAccumulatedFactor.IsZero() {
continue
}
borrow, found := k.hardKeeper.GetBorrow(ctx, claim.GetOwner())
if !found {
continue
}
var newRewardsAmount sdk.Int
if borrow.Amount.AmountOf(ri.CollateralType).GT(sdk.ZeroInt()) {
newRewardsAmount = rewardsAccumulatedFactor.Mul(borrow.Amount.AmountOf(ri.CollateralType).ToDec()).RoundInt()
if newRewardsAmount.IsZero() || newRewardsAmount.IsNegative() {
continue
}
}
newRewardsCoin := sdk.NewCoin(types.HardLiquidityRewardDenom, newRewardsAmount)
claim.Reward = claim.Reward.Add(newRewardsCoin)
}
// 3. Simulate Hard delegator rewards
delagatorFactor, found := k.GetHardDelegatorRewardFactor(ctx, types.BondDenom)
if !found {
return claim
}
delegatorIndex, hasDelegatorRewardIndex := claim.HasDelegatorRewardIndex(types.BondDenom)
if !hasDelegatorRewardIndex {
return claim
}
userRewardFactor := claim.DelegatorRewardIndexes[delegatorIndex].RewardFactor
rewardsAccumulatedFactor := delagatorFactor.Sub(userRewardFactor)
if rewardsAccumulatedFactor.IsZero() {
return claim
}
claim.DelegatorRewardIndexes[delegatorIndex].RewardFactor = delagatorFactor
totalDelegated := sdk.ZeroDec()
// TODO: set reasonable max limit on delegation iteration
maxUInt := ^uint16(0)
delegations := k.stakingKeeper.GetDelegatorDelegations(ctx, claim.GetOwner(), maxUInt)
for _, delegation := range delegations {
validator, found := k.stakingKeeper.GetValidator(ctx, delegation.GetValidatorAddr())
if !found {
continue
}
// Delegators don't accumulate rewards if their validator is unbonded/slashed
if validator.GetStatus() != sdk.Bonded {
continue
}
if validator.GetTokens().IsZero() {
continue
}
delegatedTokens := validator.TokensFromShares(delegation.GetShares())
if delegatedTokens.IsZero() || delegatedTokens.IsNegative() {
continue
}
totalDelegated = totalDelegated.Add(delegatedTokens)
}
rewardsEarned := rewardsAccumulatedFactor.Mul(totalDelegated).RoundInt()
if rewardsEarned.IsZero() || rewardsEarned.IsNegative() {
return claim
}
// Add rewards to delegator's hard claim
newRewardsCoin := sdk.NewCoin(types.HardLiquidityRewardDenom, rewardsEarned)
claim.Reward = claim.Reward.Add(newRewardsCoin)
return claim
}
// SimulateUSDXMintingSynchronization calculates a user's outstanding USDX minting rewards by simulating reward synchronization
func (k Keeper) SimulateUSDXMintingSynchronization(ctx sdk.Context, claim types.USDXMintingClaim) types.USDXMintingClaim {
for _, ri := range claim.RewardIndexes {
_, found := k.GetUSDXMintingRewardPeriod(ctx, ri.CollateralType)
if !found {
continue
}
globalRewardFactor, found := k.GetUSDXMintingRewardFactor(ctx, ri.CollateralType)
if !found {
globalRewardFactor = sdk.ZeroDec()
}
// the owner has an existing usdx minting reward claim
index, hasRewardIndex := claim.HasRewardIndex(ri.CollateralType)
if !hasRewardIndex { // this is the owner's first usdx minting reward for this collateral type
claim.RewardIndexes = append(claim.RewardIndexes, types.NewRewardIndex(ri.CollateralType, globalRewardFactor))
}
userRewardFactor := claim.RewardIndexes[index].RewardFactor
rewardsAccumulatedFactor := globalRewardFactor.Sub(userRewardFactor)
if rewardsAccumulatedFactor.IsZero() {
continue
}
claim.RewardIndexes[index].RewardFactor = globalRewardFactor
cdp, found := k.cdpKeeper.GetCdpByOwnerAndCollateralType(ctx, claim.GetOwner(), ri.CollateralType)
if !found {
continue
}
newRewardsAmount := rewardsAccumulatedFactor.Mul(cdp.GetTotalPrincipal().Amount.ToDec()).RoundInt()
if newRewardsAmount.IsZero() {
continue
}
newRewardsCoin := sdk.NewCoin(types.USDXMintingRewardDenom, newRewardsAmount)
claim.Reward = claim.Reward.Add(newRewardsCoin)
}
return claim
}

View File

@ -1077,6 +1077,442 @@ func (suite *KeeperTestSuite) TestSynchronizeHardDelegatorReward() {
}
}
func (suite *KeeperTestSuite) TestSimulateHardSupplyRewardSynchronization() {
type args struct {
deposit sdk.Coin
rewardsPerSecond sdk.Coin
initialTime time.Time
blockTimes []int
expectedRewardFactor sdk.Dec
expectedRewards sdk.Coin
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
deposit: c("bnb", 10000000000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardFactor: d("0.001223540000000000"),
expectedRewards: c("hard", 12235400),
},
},
{
"10 blocks - long block time",
args{
deposit: c("bnb", 10000000000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardFactor: d("10.571385600000000000"),
expectedRewards: c("hard", 105713856000),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
suite.SetupWithGenState()
suite.ctx = suite.ctx.WithBlockTime(tc.args.initialTime)
// Mint coins to hard module account
supplyKeeper := suite.app.GetSupplyKeeper()
hardMaccCoins := sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(200000000)))
supplyKeeper.MintCoins(suite.ctx, hardtypes.ModuleAccountName, hardMaccCoins)
// setup incentive state
params := types.NewParams(
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.deposit.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.deposit.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.deposit.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.deposit.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.Multipliers{types.NewMultiplier(types.MultiplierName("small"), 1, d("0.25")), types.NewMultiplier(types.MultiplierName("large"), 12, d("1.0"))},
tc.args.initialTime.Add(time.Hour*24*365*5),
)
suite.keeper.SetParams(suite.ctx, params)
suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, tc.args.deposit.Denom, tc.args.initialTime)
suite.keeper.SetHardSupplyRewardFactor(suite.ctx, tc.args.deposit.Denom, sdk.ZeroDec())
// Set up hard state (interest factor for the relevant denom)
suite.hardKeeper.SetSupplyInterestFactor(suite.ctx, tc.args.deposit.Denom, sdk.MustNewDecFromStr("1.0"))
suite.hardKeeper.SetBorrowInterestFactor(suite.ctx, tc.args.deposit.Denom, sdk.MustNewDecFromStr("1.0"))
suite.hardKeeper.SetPreviousAccrualTime(suite.ctx, tc.args.deposit.Denom, tc.args.initialTime)
// User deposits and borrows to increase total borrowed amount
hardKeeper := suite.app.GetHardKeeper()
userAddr := suite.addrs[3]
err := hardKeeper.Deposit(suite.ctx, userAddr, sdk.NewCoins(tc.args.deposit))
suite.Require().NoError(err)
// Check that Hard hooks initialized a HardLiquidityProviderClaim
claim, found := suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[3])
suite.Require().True(found)
suite.Require().Equal(sdk.ZeroDec(), claim.SupplyRewardIndexes[0].RewardFactor)
// Run accumulator at several intervals
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
// Run Hard begin blocker for each block ctx to update denom's interest factor
hard.BeginBlocker(blockCtx, suite.hardKeeper)
rewardPeriod, found := suite.keeper.GetHardSupplyRewardPeriod(blockCtx, tc.args.deposit.Denom)
suite.Require().True(found)
err := suite.keeper.AccumulateHardSupplyRewards(blockCtx, rewardPeriod)
suite.Require().NoError(err)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
claim, found = suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[3])
suite.Require().True(found)
suite.Require().Equal(claim.SupplyRewardIndexes[0].RewardFactor, sdk.ZeroDec())
suite.Require().Equal(claim.Reward, sdk.NewCoin("hard", sdk.ZeroInt()))
updatedClaim := suite.keeper.SimulateHardSynchronization(suite.ctx, claim)
suite.Require().Equal(updatedClaim.SupplyRewardIndexes[0].RewardFactor, tc.args.expectedRewardFactor)
suite.Require().Equal(updatedClaim.Reward, tc.args.expectedRewards)
})
}
}
func (suite *KeeperTestSuite) TestSimulateHardBorrowRewardSynchronization() {
type args struct {
borrow sdk.Coin
rewardsPerSecond sdk.Coin
initialTime time.Time
blockTimes []int
expectedRewardFactor sdk.Dec
expectedRewards sdk.Coin
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
borrow: c("bnb", 10000000000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardFactor: d("0.001223540000173228"),
expectedRewards: c("hard", 12235400),
},
},
{
"10 blocks - long block time",
args{
borrow: c("bnb", 10000000000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardFactor: d("10.571385603126235340"),
expectedRewards: c("hard", 105713856031),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
suite.SetupWithGenState()
suite.ctx = suite.ctx.WithBlockTime(tc.args.initialTime)
// Mint coins to hard module account
supplyKeeper := suite.app.GetSupplyKeeper()
hardMaccCoins := sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(200000000)))
supplyKeeper.MintCoins(suite.ctx, hardtypes.ModuleAccountName, hardMaccCoins)
// setup incentive state
params := types.NewParams(
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.borrow.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.borrow.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.borrow.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.borrow.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.Multipliers{types.NewMultiplier(types.MultiplierName("small"), 1, d("0.25")), types.NewMultiplier(types.MultiplierName("large"), 12, d("1.0"))},
tc.args.initialTime.Add(time.Hour*24*365*5),
)
suite.keeper.SetParams(suite.ctx, params)
suite.keeper.SetPreviousHardBorrowRewardAccrualTime(suite.ctx, tc.args.borrow.Denom, tc.args.initialTime)
suite.keeper.SetHardBorrowRewardFactor(suite.ctx, tc.args.borrow.Denom, sdk.ZeroDec())
// Set up hard state (interest factor for the relevant denom)
suite.hardKeeper.SetSupplyInterestFactor(suite.ctx, tc.args.borrow.Denom, sdk.MustNewDecFromStr("1.0"))
suite.hardKeeper.SetBorrowInterestFactor(suite.ctx, tc.args.borrow.Denom, sdk.MustNewDecFromStr("1.0"))
suite.hardKeeper.SetPreviousAccrualTime(suite.ctx, tc.args.borrow.Denom, tc.args.initialTime)
// User deposits and borrows to increase total borrowed amount
hardKeeper := suite.app.GetHardKeeper()
userAddr := suite.addrs[3]
err := hardKeeper.Deposit(suite.ctx, userAddr, sdk.NewCoins(sdk.NewCoin(tc.args.borrow.Denom, tc.args.borrow.Amount.Mul(sdk.NewInt(2)))))
suite.Require().NoError(err)
err = hardKeeper.Borrow(suite.ctx, userAddr, sdk.NewCoins(tc.args.borrow))
suite.Require().NoError(err)
// Check that Hard hooks initialized a HardLiquidityProviderClaim
claim, found := suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[3])
suite.Require().True(found)
suite.Require().Equal(sdk.ZeroDec(), claim.BorrowRewardIndexes[0].RewardFactor)
// Run accumulator at several intervals
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
// Run Hard begin blocker for each block ctx to update denom's interest factor
hard.BeginBlocker(blockCtx, suite.hardKeeper)
rewardPeriod, found := suite.keeper.GetHardBorrowRewardPeriod(blockCtx, tc.args.borrow.Denom)
suite.Require().True(found)
err := suite.keeper.AccumulateHardBorrowRewards(blockCtx, rewardPeriod)
suite.Require().NoError(err)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
claim, found = suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[3])
suite.Require().True(found)
suite.Require().Equal(claim.BorrowRewardIndexes[0].RewardFactor, sdk.ZeroDec())
suite.Require().Equal(claim.Reward, sdk.NewCoin("hard", sdk.ZeroInt()))
updatedClaim := suite.keeper.SimulateHardSynchronization(suite.ctx, claim)
suite.Require().Equal(updatedClaim.BorrowRewardIndexes[0].RewardFactor, tc.args.expectedRewardFactor)
suite.Require().Equal(updatedClaim.Reward, tc.args.expectedRewards)
})
}
}
func (suite *KeeperTestSuite) TestSimulateHardDelegatorRewardSynchronization() {
type args struct {
delegation sdk.Coin
rewardsPerSecond sdk.Coin
initialTime time.Time
blockTimes []int
expectedRewardFactor sdk.Dec
expectedRewards sdk.Coin
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardFactor: d("6.117700000000000000"),
expectedRewards: c("hard", 6117700),
},
},
{
"10 blocks - long block time",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: c("hard", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardFactor: d("52856.928000000000000000"),
expectedRewards: c("hard", 52856928000),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
suite.SetupWithGenState()
suite.ctx = suite.ctx.WithBlockTime(tc.args.initialTime)
// Mint coins to hard module account
supplyKeeper := suite.app.GetSupplyKeeper()
hardMaccCoins := sdk.NewCoins(sdk.NewCoin("usdx", sdk.NewInt(200000000)))
supplyKeeper.MintCoins(suite.ctx, hardtypes.ModuleAccountName, hardMaccCoins)
// setup incentive state
params := types.NewParams(
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.delegation.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.delegation.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.delegation.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.delegation.Denom, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.Multipliers{types.NewMultiplier(types.MultiplierName("small"), 1, d("0.25")), types.NewMultiplier(types.MultiplierName("large"), 12, d("1.0"))},
tc.args.initialTime.Add(time.Hour*24*365*5),
)
suite.keeper.SetParams(suite.ctx, params)
suite.keeper.SetPreviousHardDelegatorRewardAccrualTime(suite.ctx, tc.args.delegation.Denom, tc.args.initialTime)
suite.keeper.SetHardDelegatorRewardFactor(suite.ctx, tc.args.delegation.Denom, sdk.ZeroDec())
// Set up hard state (interest factor for the relevant denom)
suite.hardKeeper.SetPreviousAccrualTime(suite.ctx, tc.args.delegation.Denom, tc.args.initialTime)
// Delegator delegates
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
staking.EndBlocker(suite.ctx, suite.stakingKeeper)
// Check that Staking hooks initialized a HardLiquidityProviderClaim
claim, found := suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().Equal(sdk.ZeroDec(), claim.DelegatorRewardIndexes[0].RewardFactor)
// Run accumulator at several intervals
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
// Run Hard begin blocker for each block ctx to update denom's interest factor
hard.BeginBlocker(blockCtx, suite.hardKeeper)
rewardPeriod, found := suite.keeper.GetHardDelegatorRewardPeriod(blockCtx, tc.args.delegation.Denom)
suite.Require().True(found)
err := suite.keeper.AccumulateHardDelegatorRewards(blockCtx, rewardPeriod)
suite.Require().NoError(err)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
claim, found = suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().Equal(claim.DelegatorRewardIndexes[0].RewardFactor, sdk.ZeroDec())
suite.Require().Equal(claim.Reward, sdk.NewCoin("hard", sdk.ZeroInt()))
updatedClaim := suite.keeper.SimulateHardSynchronization(suite.ctx, claim)
suite.Require().Equal(updatedClaim.DelegatorRewardIndexes[0].RewardFactor, tc.args.expectedRewardFactor)
suite.Require().Equal(updatedClaim.Reward, tc.args.expectedRewards)
})
}
}
func (suite *KeeperTestSuite) TestSimulateUSDXMintingRewardSynchronization() {
type args struct {
ctype string
rewardsPerSecond sdk.Coin
initialTime time.Time
initialCollateral sdk.Coin
initialPrincipal sdk.Coin
blockTimes []int
expectedRewardFactor sdk.Dec
expectedRewards sdk.Coin
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
ctype: "bnb-a",
rewardsPerSecond: c("ukava", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
initialCollateral: c("bnb", 1000000000000),
initialPrincipal: c("usdx", 10000000000),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardFactor: d("0.001223540000000000"),
expectedRewards: c("ukava", 12235400),
},
},
{
"10 blocks - long block time",
args{
ctype: "bnb-a",
rewardsPerSecond: c("ukava", 122354),
initialTime: time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC),
initialCollateral: c("bnb", 1000000000000),
initialPrincipal: c("usdx", 10000000000),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardFactor: d("10.57138560000000000"),
expectedRewards: c("ukava", 105713856000),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
suite.SetupWithGenState()
suite.ctx = suite.ctx.WithBlockTime(tc.args.initialTime)
// setup incentive state
params := types.NewParams(
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.ctype, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.ctype, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.ctype, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.RewardPeriods{types.NewRewardPeriod(true, tc.args.ctype, tc.args.initialTime, tc.args.initialTime.Add(time.Hour*24*365*4), tc.args.rewardsPerSecond)},
types.Multipliers{types.NewMultiplier(types.MultiplierName("small"), 1, d("0.25")), types.NewMultiplier(types.MultiplierName("large"), 12, d("1.0"))},
tc.args.initialTime.Add(time.Hour*24*365*5),
)
suite.keeper.SetParams(suite.ctx, params)
suite.keeper.SetPreviousUSDXMintingAccrualTime(suite.ctx, tc.args.ctype, tc.args.initialTime)
suite.keeper.SetUSDXMintingRewardFactor(suite.ctx, tc.args.ctype, sdk.ZeroDec())
// setup account state
sk := suite.app.GetSupplyKeeper()
sk.MintCoins(suite.ctx, cdptypes.ModuleName, sdk.NewCoins(tc.args.initialCollateral))
sk.SendCoinsFromModuleToAccount(suite.ctx, cdptypes.ModuleName, suite.addrs[0], sdk.NewCoins(tc.args.initialCollateral))
// setup cdp state
cdpKeeper := suite.app.GetCDPKeeper()
err := cdpKeeper.AddCdp(suite.ctx, suite.addrs[0], tc.args.initialCollateral, tc.args.initialPrincipal, tc.args.ctype)
suite.Require().NoError(err)
claim, found := suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().Equal(sdk.ZeroDec(), claim.RewardIndexes[0].RewardFactor)
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
rewardPeriod, found := suite.keeper.GetUSDXMintingRewardPeriod(blockCtx, tc.args.ctype)
suite.Require().True(found)
err := suite.keeper.AccumulateUSDXMintingRewards(blockCtx, rewardPeriod)
suite.Require().NoError(err)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
claim, found = suite.keeper.GetUSDXMintingClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().Equal(claim.RewardIndexes[0].RewardFactor, sdk.ZeroDec())
suite.Require().Equal(claim.Reward, sdk.NewCoin("ukava", sdk.ZeroInt()))
updatedClaim := suite.keeper.SimulateUSDXMintingSynchronization(suite.ctx, claim)
suite.Require().Equal(tc.args.expectedRewardFactor, updatedClaim.RewardIndexes[0].RewardFactor)
suite.Require().Equal(tc.args.expectedRewards, updatedClaim.Reward)
})
}
}
func (suite *KeeperTestSuite) SetupWithGenState() {
config := sdk.GetConfig()
app.SetBech32AddressPrefixes(config)