0g-chain/x/incentive/keeper/accumulators/earn_accum_test.go

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package accumulators_test
import (
"testing"
"time"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/stretchr/testify/suite"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/kava-labs/kava/app"
earntypes "github.com/kava-labs/kava/x/earn/types"
"github.com/kava-labs/kava/x/incentive/keeper/accumulators"
"github.com/kava-labs/kava/x/incentive/testutil"
"github.com/kava-labs/kava/x/incentive/types"
)
type AccumulateEarnRewardsIntegrationTests struct {
testutil.IntegrationTester
keeper testutil.TestKeeper
userAddrs []sdk.AccAddress
valAddrs []sdk.ValAddress
}
func TestAccumulateEarnRewardsIntegrationTests(t *testing.T) {
suite.Run(t, new(AccumulateEarnRewardsIntegrationTests))
}
func (suite *AccumulateEarnRewardsIntegrationTests) SetupTest() {
suite.IntegrationTester.SetupTest()
suite.keeper = testutil.TestKeeper{
Keeper: suite.App.GetIncentiveKeeper(),
}
_, addrs := app.GeneratePrivKeyAddressPairs(5)
suite.userAddrs = addrs[0:2]
suite.valAddrs = []sdk.ValAddress{
sdk.ValAddress(addrs[2]),
sdk.ValAddress(addrs[3]),
}
// Setup app with test state
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(addrs[0], cs(c("ukava", 1e12))).
WithSimpleAccount(addrs[1], cs(c("ukava", 1e12))).
WithSimpleAccount(addrs[2], cs(c("ukava", 1e12))).
WithSimpleAccount(addrs[3], cs(c("ukava", 1e12)))
incentiveBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.GenesisTime).
WithSimpleRewardPeriod(types.CLAIM_TYPE_EARN, "bkava", cs())
savingsBuilder := testutil.NewSavingsGenesisBuilder().
WithSupportedDenoms("bkava")
earnBuilder := testutil.NewEarnGenesisBuilder().
WithAllowedVaults(earntypes.AllowedVault{
Denom: "bkava",
Strategies: earntypes.StrategyTypes{earntypes.STRATEGY_TYPE_SAVINGS},
IsPrivateVault: false,
AllowedDepositors: nil,
})
stakingBuilder := testutil.NewStakingGenesisBuilder()
kavamintBuilder := testutil.NewKavamintGenesisBuilder().
WithStakingRewardsApy(sdk.MustNewDecFromStr("0.2")).
WithPreviousBlockTime(suite.GenesisTime)
suite.StartChainWithBuilders(
authBuilder,
incentiveBuilder,
savingsBuilder,
earnBuilder,
stakingBuilder,
kavamintBuilder,
)
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestStateUpdatedWhenBlockTimeHasIncreased() {
suite.AddIncentiveMultiRewardPeriod(
types.CLAIM_TYPE_EARN,
types.NewMultiRewardPeriod(
true,
"bkava", // reward period is set for "bkava" to apply to all vaults
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(c("earn", 2000), c("ukava", 1000)), // same denoms as in global indexes
),
)
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 800000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 200000))
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[0], derivative0, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[1], derivative1, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
globalIndexes := types.MultiRewardIndexes{
{
CollateralType: derivative0.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
{
CollateralType: derivative1.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
}
suite.keeper.StoreGlobalIndexes(suite.Ctx, types.CLAIM_TYPE_EARN, globalIndexes)
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
val0 := suite.GetAbciValidator(suite.valAddrs[0])
val1 := suite.GetAbciValidator(suite.valAddrs[1])
// Mint tokens, distribute to validators, claim staking rewards
// 1 hour later
_, resBeginBlock := suite.NextBlockAfterWithReq(
1*time.Hour,
abci.RequestEndBlock{},
abci.RequestBeginBlock{
LastCommitInfo: abci.LastCommitInfo{
Votes: []abci.VoteInfo{
{
Validator: val0,
SignedLastBlock: true,
},
{
Validator: val1,
SignedLastBlock: true,
},
},
},
},
)
validatorRewards, _ := suite.GetBeginBlockClaimedStakingRewards(resBeginBlock)
suite.Require().Contains(validatorRewards, suite.valAddrs[1].String(), "there should be claim events for validator 0")
suite.Require().Contains(validatorRewards, suite.valAddrs[0].String(), "there should be claim events for validator 1")
// check time and factors
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
stakingRewardIndexes0 := validatorRewards[suite.valAddrs[0].String()].
AmountOf("ukava").
ToDec().
Quo(derivative0.Amount.ToDec())
stakingRewardIndexes1 := validatorRewards[suite.valAddrs[1].String()].
AmountOf("ukava").
ToDec().
Quo(derivative1.Amount.ToDec())
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("7.22"),
},
{
CollateralType: "ukava",
RewardFactor: d("3.64").Add(stakingRewardIndexes0),
},
})
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("7.22"),
},
{
CollateralType: "ukava",
RewardFactor: d("3.64").Add(stakingRewardIndexes1),
},
})
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestStateUpdatedWhenBlockTimeHasIncreased_partialDeposit() {
suite.AddIncentiveMultiRewardPeriod(
types.CLAIM_TYPE_EARN,
types.NewMultiRewardPeriod(
true,
"bkava", // reward period is set for "bkava" to apply to all vaults
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(c("earn", 2000), c("ukava", 1000)), // same denoms as in global indexes
),
)
// 800000bkava0 minted, 700000 deposited
// 200000bkava1 minted, 100000 deposited
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 800000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 200000))
suite.NoError(err)
depositAmount0 := c(derivative0.Denom, 700000)
depositAmount1 := c(derivative1.Denom, 100000)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[0], depositAmount0, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[1], depositAmount1, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
globalIndexes := types.MultiRewardIndexes{
{
CollateralType: derivative0.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
{
CollateralType: derivative1.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
}
suite.keeper.StoreGlobalIndexes(suite.Ctx, types.CLAIM_TYPE_EARN, globalIndexes)
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
val0 := suite.GetAbciValidator(suite.valAddrs[0])
val1 := suite.GetAbciValidator(suite.valAddrs[1])
// Mint tokens, distribute to validators, claim staking rewards
// 1 hour later
_, resBeginBlock := suite.NextBlockAfterWithReq(
1*time.Hour,
abci.RequestEndBlock{},
abci.RequestBeginBlock{
LastCommitInfo: abci.LastCommitInfo{
Votes: []abci.VoteInfo{
{
Validator: val0,
SignedLastBlock: true,
},
{
Validator: val1,
SignedLastBlock: true,
},
},
},
},
)
validatorRewards, _ := suite.GetBeginBlockClaimedStakingRewards(resBeginBlock)
suite.Require().Contains(validatorRewards, suite.valAddrs[1].String(), "there should be claim events for validator 0")
suite.Require().Contains(validatorRewards, suite.valAddrs[0].String(), "there should be claim events for validator 1")
// check time and factors
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
// Divided by deposit amounts, not bank supply amounts
stakingRewardIndexes0 := validatorRewards[suite.valAddrs[0].String()].
AmountOf("ukava").
ToDec().
Quo(depositAmount0.Amount.ToDec())
stakingRewardIndexes1 := validatorRewards[suite.valAddrs[1].String()].
AmountOf("ukava").
ToDec().
Quo(depositAmount1.Amount.ToDec())
// Slightly increased rewards due to less bkava deposited
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("8.248571428571428571"),
},
{
CollateralType: "ukava",
RewardFactor: d("4.154285714285714286").Add(stakingRewardIndexes0),
},
})
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("14.42"),
},
{
CollateralType: "ukava",
RewardFactor: d("7.24").Add(stakingRewardIndexes1),
},
})
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestStateUnchangedWhenBlockTimeHasNotIncreased() {
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 1000000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 1000000))
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[0], derivative0, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[1], derivative1, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
previousIndexes := types.MultiRewardIndexes{
{
CollateralType: derivative0.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
{
CollateralType: derivative1.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
}
suite.keeper.StoreGlobalIndexes(suite.Ctx, types.CLAIM_TYPE_EARN, previousIndexes)
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
period := types.NewMultiRewardPeriod(
true,
"bkava",
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(c("earn", 2000), c("ukava", 1000)), // same denoms as in global indexes
)
// Must manually accumulate rewards as BeginBlockers only run when the block time increases
// This does not run any x/mint or x/distribution BeginBlockers
earnKeeper := suite.App.GetEarnKeeper()
err = accumulators.
NewEarnAccumulator(suite.keeper.Store, suite.App.GetLiquidKeeper(), &earnKeeper, suite.keeper.Adapters).
AccumulateRewards(suite.Ctx, types.CLAIM_TYPE_EARN, period)
suite.NoError(err)
// check time and factors
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
expected, f := previousIndexes.Get(derivative0.Denom)
suite.True(f)
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, expected)
expected, f = previousIndexes.Get(derivative1.Denom)
suite.True(f)
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, expected)
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestNoAccumulationWhenSourceSharesAreZero() {
suite.AddIncentiveMultiRewardPeriod(
types.CLAIM_TYPE_EARN,
types.NewMultiRewardPeriod(
true,
"bkava", // reward period is set for "bkava" to apply to all vaults
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(c("earn", 2000), c("ukava", 1000)), // same denoms as in global indexes
),
)
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 1000000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 1000000))
suite.NoError(err)
// No earn deposits
previousIndexes := types.MultiRewardIndexes{
{
CollateralType: derivative0.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
{
CollateralType: derivative1.Denom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "earn",
RewardFactor: d("0.02"),
},
{
CollateralType: "ukava",
RewardFactor: d("0.04"),
},
},
},
}
suite.keeper.StoreGlobalIndexes(suite.Ctx, types.CLAIM_TYPE_EARN, previousIndexes)
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.keeper.Store.SetRewardAccrualTime(suite.Ctx, types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
val0 := suite.GetAbciValidator(suite.valAddrs[0])
val1 := suite.GetAbciValidator(suite.valAddrs[1])
// Mint tokens, distribute to validators, claim staking rewards
// 1 hour later
_, _ = suite.NextBlockAfterWithReq(
1*time.Hour,
abci.RequestEndBlock{},
abci.RequestBeginBlock{
LastCommitInfo: abci.LastCommitInfo{
Votes: []abci.VoteInfo{
{
Validator: val0,
SignedLastBlock: true,
},
{
Validator: val1,
SignedLastBlock: true,
},
},
},
},
)
// check time and factors
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
expected, f := previousIndexes.Get(derivative0.Denom)
suite.True(f)
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, expected)
expected, f = previousIndexes.Get(derivative1.Denom)
suite.True(f)
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, expected)
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestStateAddedWhenStateDoesNotExist() {
suite.AddIncentiveMultiRewardPeriod(
types.CLAIM_TYPE_EARN,
types.NewMultiRewardPeriod(
true,
"bkava", // reward period is set for "bkava" to apply to all vaults
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(c("earn", 2000), c("ukava", 1000)), // same denoms as in global indexes
),
)
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 1000000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 1000000))
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[0], derivative0, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
err = suite.DeliverEarnMsgDeposit(suite.userAddrs[1], derivative1, earntypes.STRATEGY_TYPE_SAVINGS)
suite.NoError(err)
val0 := suite.GetAbciValidator(suite.valAddrs[0])
val1 := suite.GetAbciValidator(suite.valAddrs[1])
_, resBeginBlock := suite.NextBlockAfterWithReq(
1*time.Hour,
abci.RequestEndBlock{},
abci.RequestBeginBlock{
LastCommitInfo: abci.LastCommitInfo{
Votes: []abci.VoteInfo{
{
Validator: val0,
SignedLastBlock: true,
},
{
Validator: val1,
SignedLastBlock: true,
},
},
},
},
)
// After the second accumulation both current block time and indexes should be stored.
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
validatorRewards0, _ := suite.GetBeginBlockClaimedStakingRewards(resBeginBlock)
firstStakingRewardIndexes0 := validatorRewards0[suite.valAddrs[0].String()].
AmountOf("ukava").
ToDec().
Quo(derivative0.Amount.ToDec())
firstStakingRewardIndexes1 := validatorRewards0[suite.valAddrs[1].String()].
AmountOf("ukava").
ToDec().
Quo(derivative1.Amount.ToDec())
// After the first accumulation only the current block time should be stored.
// The indexes will be empty as no time has passed since the previous block because it didn't exist.
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
// First accumulation can have staking rewards, but no other rewards
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, types.RewardIndexes{
{
CollateralType: "ukava",
RewardFactor: firstStakingRewardIndexes0,
},
})
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, types.RewardIndexes{
{
CollateralType: "ukava",
RewardFactor: firstStakingRewardIndexes1,
},
})
_, resBeginBlock = suite.NextBlockAfterWithReq(
1*time.Hour,
abci.RequestEndBlock{},
abci.RequestBeginBlock{
LastCommitInfo: abci.LastCommitInfo{
Votes: []abci.VoteInfo{
{
Validator: val0,
SignedLastBlock: true,
},
{
Validator: val1,
SignedLastBlock: true,
},
},
},
},
)
// After the second accumulation both current block time and indexes should be stored.
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, suite.Ctx.BlockTime())
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, suite.Ctx.BlockTime())
validatorRewards1, _ := suite.GetBeginBlockClaimedStakingRewards(resBeginBlock)
secondStakingRewardIndexes0 := validatorRewards1[suite.valAddrs[0].String()].
AmountOf("ukava").
ToDec().
Quo(derivative0.Amount.ToDec())
secondStakingRewardIndexes1 := validatorRewards1[suite.valAddrs[1].String()].
AmountOf("ukava").
ToDec().
Quo(derivative1.Amount.ToDec())
// Second accumulation has both staking rewards and incentive rewards
// ukava incentive rewards: 3600 * 1000 / (2 * 1000000) == 1.8
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, types.RewardIndexes{
{
CollateralType: "ukava",
// Incentive rewards + both staking rewards
RewardFactor: d("1.8").Add(firstStakingRewardIndexes0).Add(secondStakingRewardIndexes0),
},
{
CollateralType: "earn",
RewardFactor: d("3.6"),
},
})
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, types.RewardIndexes{
{
CollateralType: "ukava",
// Incentive rewards + both staking rewards
RewardFactor: d("1.8").Add(firstStakingRewardIndexes1).Add(secondStakingRewardIndexes1),
},
{
CollateralType: "earn",
RewardFactor: d("3.6"),
},
})
}
func (suite *AccumulateEarnRewardsIntegrationTests) TestNoPanicWhenStateDoesNotExist() {
derivative0, err := suite.MintLiquidAnyValAddr(suite.userAddrs[0], suite.valAddrs[0], c("ukava", 1000000))
suite.NoError(err)
derivative1, err := suite.MintLiquidAnyValAddr(suite.userAddrs[1], suite.valAddrs[1], c("ukava", 1000000))
suite.NoError(err)
period := types.NewMultiRewardPeriod(
true,
"bkava",
time.Unix(0, 0), // ensure the test is within start and end times
distantFuture,
cs(),
)
// Accumulate with no earn shares and no rewards per second will result in no increment to the indexes.
// No increment and no previous indexes stored, results in an updated of nil. Setting this in the state panics.
// Check there is no panic.
suite.NotPanics(func() {
// This does not update any state, as there are no bkava vaults
// to iterate over, denoms are unknown
err := suite.keeper.AccumulateEarnRewards(suite.Ctx, period)
suite.NoError(err)
})
// Times are not stored for vaults with no state
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative0.Denom, time.Time{})
suite.StoredTimeEquals(types.CLAIM_TYPE_EARN, derivative1.Denom, time.Time{})
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative0.Denom, nil)
suite.StoredIndexesEqual(types.CLAIM_TYPE_EARN, derivative1.Denom, nil)
}