package keeper_test import ( "testing" "time" "github.com/stretchr/testify/suite" "github.com/kava-labs/kava/x/incentive/types" ) type AccumulateSupplyRewardsTests struct { unitTester } func (suite *AccumulateSupplyRewardsTests) storedTimeEquals(denom string, expected time.Time) { storedTime, found := suite.keeper.GetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom) suite.True(found) suite.Equal(expected, storedTime) } func (suite *AccumulateSupplyRewardsTests) storedIndexesEqual(denom string, expected types.RewardIndexes) { storedIndexes, found := suite.keeper.GetHardSupplyRewardIndexes(suite.ctx, denom) suite.Equal(found, expected != nil) suite.Equal(expected, storedIndexes) } func TestAccumulateSupplyRewards(t *testing.T) { suite.Run(t, new(AccumulateSupplyRewardsTests)) } func (suite *AccumulateSupplyRewardsTests) TestStateUpdatedWhenBlockTimeHasIncreased() { denom := "bnb" hardKeeper := newFakeHardKeeper().addTotalSupply(c(denom, 1e6), d("1")) suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) suite.storeGlobalSupplyIndexes(types.MultiRewardIndexes{ { CollateralType: denom, RewardIndexes: types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("0.02"), }, { CollateralType: "ukava", RewardFactor: d("0.04"), }, }, }, }) previousAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom, previousAccrualTime) newAccrualTime := previousAccrualTime.Add(1 * time.Hour) suite.ctx = suite.ctx.WithBlockTime(newAccrualTime) period := types.NewMultiRewardPeriod( true, denom, time.Unix(0, 0), // ensure the test is within start and end times distantFuture, cs(c("hard", 2000), c("ukava", 1000)), // same denoms as in global indexes ) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // check time and factors suite.storedTimeEquals(denom, newAccrualTime) suite.storedIndexesEqual(denom, types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("7.22"), }, { CollateralType: "ukava", RewardFactor: d("3.64"), }, }) } func (suite *AccumulateSupplyRewardsTests) TestStateUnchangedWhenBlockTimeHasNotIncreased() { denom := "bnb" hardKeeper := newFakeHardKeeper().addTotalSupply(c(denom, 1e6), d("1")) suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) previousIndexes := types.MultiRewardIndexes{ { CollateralType: denom, RewardIndexes: types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("0.02"), }, { CollateralType: "ukava", RewardFactor: d("0.04"), }, }, }, } suite.storeGlobalSupplyIndexes(previousIndexes) previousAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom, previousAccrualTime) suite.ctx = suite.ctx.WithBlockTime(previousAccrualTime) period := types.NewMultiRewardPeriod( true, denom, time.Unix(0, 0), // ensure the test is within start and end times distantFuture, cs(c("hard", 2000), c("ukava", 1000)), // same denoms as in global indexes ) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // check time and factors suite.storedTimeEquals(denom, previousAccrualTime) expected, f := previousIndexes.Get(denom) suite.True(f) suite.storedIndexesEqual(denom, expected) } func (suite *AccumulateSupplyRewardsTests) TestNoAccumulationWhenSourceSharesAreZero() { denom := "bnb" hardKeeper := newFakeHardKeeper() // zero total supplys suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) previousIndexes := types.MultiRewardIndexes{ { CollateralType: denom, RewardIndexes: types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("0.02"), }, { CollateralType: "ukava", RewardFactor: d("0.04"), }, }, }, } suite.storeGlobalSupplyIndexes(previousIndexes) previousAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom, previousAccrualTime) firstAccrualTime := previousAccrualTime.Add(7 * time.Second) suite.ctx = suite.ctx.WithBlockTime(firstAccrualTime) period := types.NewMultiRewardPeriod( true, denom, time.Unix(0, 0), // ensure the test is within start and end times distantFuture, cs(c("hard", 2000), c("ukava", 1000)), // same denoms as in global indexes ) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // check time and factors suite.storedTimeEquals(denom, firstAccrualTime) expected, f := previousIndexes.Get(denom) suite.True(f) suite.storedIndexesEqual(denom, expected) } func (suite *AccumulateSupplyRewardsTests) TestStateAddedWhenStateDoesNotExist() { denom := "bnb" hardKeeper := newFakeHardKeeper().addTotalSupply(c(denom, 1e6), d("1")) suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) period := types.NewMultiRewardPeriod( true, denom, time.Unix(0, 0), // ensure the test is within start and end times distantFuture, cs(c("hard", 2000), c("ukava", 1000)), ) firstAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.ctx = suite.ctx.WithBlockTime(firstAccrualTime) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // 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(denom, firstAccrualTime) suite.storedIndexesEqual(denom, nil) secondAccrualTime := firstAccrualTime.Add(10 * time.Second) suite.ctx = suite.ctx.WithBlockTime(secondAccrualTime) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // After the second accumulation both current block time and indexes should be stored. suite.storedTimeEquals(denom, secondAccrualTime) suite.storedIndexesEqual(denom, types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("0.02"), }, { CollateralType: "ukava", RewardFactor: d("0.01"), }, }) } func (suite *AccumulateSupplyRewardsTests) TestNoPanicWhenStateDoesNotExist() { denom := "bnb" hardKeeper := newFakeHardKeeper() suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) period := types.NewMultiRewardPeriod( true, denom, time.Unix(0, 0), // ensure the test is within start and end times distantFuture, cs(), ) accrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.ctx = suite.ctx.WithBlockTime(accrualTime) // Accumulate with no source 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() { suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) }) suite.storedTimeEquals(denom, accrualTime) suite.storedIndexesEqual(denom, nil) } func (suite *AccumulateSupplyRewardsTests) TestNoAccumulationWhenBeforeStartTime() { denom := "bnb" hardKeeper := newFakeHardKeeper().addTotalSupply(c(denom, 1e6), d("1")) suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) previousIndexes := types.MultiRewardIndexes{ { CollateralType: denom, RewardIndexes: types.RewardIndexes{ { CollateralType: "hard", RewardFactor: d("0.02"), }, { CollateralType: "ukava", RewardFactor: d("0.04"), }, }, }, } suite.storeGlobalSupplyIndexes(previousIndexes) previousAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom, previousAccrualTime) firstAccrualTime := previousAccrualTime.Add(10 * time.Second) period := types.NewMultiRewardPeriod( true, denom, firstAccrualTime.Add(time.Nanosecond), // start time after accrual time distantFuture, cs(c("hard", 2000), c("ukava", 1000)), ) suite.ctx = suite.ctx.WithBlockTime(firstAccrualTime) suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) // The accrual time should be updated, but the indexes unchanged suite.storedTimeEquals(denom, firstAccrualTime) expectedIndexes, f := previousIndexes.Get(denom) suite.True(f) suite.storedIndexesEqual(denom, expectedIndexes) } func (suite *AccumulateSupplyRewardsTests) TestPanicWhenCurrentTimeLessThanPrevious() { denom := "bnb" hardKeeper := newFakeHardKeeper().addTotalSupply(c(denom, 1e6), d("1")) suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, hardKeeper, nil, nil, nil) previousAccrualTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC) suite.keeper.SetPreviousHardSupplyRewardAccrualTime(suite.ctx, denom, previousAccrualTime) firstAccrualTime := time.Time{} period := types.NewMultiRewardPeriod( true, denom, time.Time{}, // start time after accrual time distantFuture, cs(c("hard", 2000), c("ukava", 1000)), ) suite.ctx = suite.ctx.WithBlockTime(firstAccrualTime) suite.Panics(func() { suite.keeper.AccumulateHardSupplyRewards(suite.ctx, period) }) }