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	* Add bkava handler for earn incentives * Add bkava accum tests * Add bkava denoms in index state * Set storeTimeEquals to default value * Add supply expected keepers * Add tests for proportional adjustment * Add liquid keeper to incentive keeper * Use weighted reward periods for bkava * Add liquid keeper to tests * Add Accumulate override rewards period with deccoins * Adjust test to handle sub unit coins * Add liquid keeper to test * Fix div by zero for proportional rewards * Update test for actual expected values * Update expected indexes to be same for different vaults * Allow no stored time for vaults that have no indexes or state * Add test for partial bkava deposit * Add math check to test * Deterministically iterate over bkava denoms * Remove unused expected liquid method GetAllDerivativeDenoms
		
			
				
	
	
		
			474 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			474 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package keeper_test
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import (
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	"testing"
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	"github.com/stretchr/testify/suite"
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	earntypes "github.com/kava-labs/kava/x/earn/types"
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	"github.com/kava-labs/kava/x/incentive/types"
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)
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// SynchronizeEarnRewardTests runs unit tests for the keeper.SynchronizeEarnReward method
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//
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// inputs
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// - claim in store (only claim.RewardIndexes, claim.Reward)
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// - global indexes in store
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// - shares function arg
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//
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// outputs
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// - sets a claim
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type SynchronizeEarnRewardTests struct {
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	unitTester
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}
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func TestSynchronizeEarnReward(t *testing.T) {
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	suite.Run(t, new(SynchronizeEarnRewardTests))
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUpdatedWhenGlobalIndexesHaveIncreased() {
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	// This is the normal case
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	// Given some time has passed (meaning the global indexes have increased)
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	// When the claim is synced
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	// The user earns rewards for the time passed, and the claim indexes are updated
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	originalReward := arbitraryCoins()
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	vaultDenom := "cats"
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: originalReward,
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: vaultDenom,
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				RewardIndexes: types.RewardIndexes{
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					{
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						CollateralType: "rewarddenom",
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						RewardFactor:   d("1000.001"),
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					},
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				},
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: vaultDenom,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "rewarddenom",
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					RewardFactor:   d("2000.002"),
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				},
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			},
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		},
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	}
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	suite.storeGlobalEarnIndexes(globalIndexes)
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	userShares := d("1000000000")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, vaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	// indexes updated from global
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	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
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	// new reward is (new index - old index) * user shares
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	suite.Equal(
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		cs(c("rewarddenom", 1_000_001_000_000)).Add(originalReward...),
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		syncedClaim.Reward,
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	)
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUnchangedWhenGlobalIndexesUnchanged() {
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	// It should be safe to call SynchronizeEarnReward multiple times
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	vaultDenom := "cats"
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	unchangingIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: vaultDenom,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "rewarddenom",
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					RewardFactor:   d("1000.001"),
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				},
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			},
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		},
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	}
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: arbitraryCoins(),
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		},
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		RewardIndexes: unchangingIndexes,
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	}
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	suite.storeEarnClaim(claim)
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	suite.storeGlobalEarnIndexes(unchangingIndexes)
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	userShares := d("1000000000")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, vaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	// claim should have the same rewards and indexes as before
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	suite.Equal(claim, syncedClaim)
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUpdatedWhenNewRewardAdded() {
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	// When a new reward is added (via gov) for a vault the user has already deposited to, and the claim is synced;
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	// Then the user earns rewards for the time since the reward was added, and the indexes are added to the claim.
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	originalReward := arbitraryCoins()
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	newlyRewardVaultDenom := "newlyRewardedVault"
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: originalReward,
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: "currentlyRewardedVault",
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				RewardIndexes: types.RewardIndexes{
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					{
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						CollateralType: "reward",
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						RewardFactor:   d("1000.001"),
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					},
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				},
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: "currentlyRewardedVault",
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "reward",
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					RewardFactor:   d("2000.002"),
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				},
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			},
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		},
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		{
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			CollateralType: newlyRewardVaultDenom,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "otherreward",
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					// Indexes start at 0 when the reward is added by gov,
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					// so this represents the syncing happening some time later.
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					RewardFactor: d("1000.001"),
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				},
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			},
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		},
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	}
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	suite.storeGlobalEarnIndexes(globalIndexes)
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	userShares := d("1000000000")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, newlyRewardVaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	// the new indexes should be added to the claim, but the old ones should be unchanged
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	newlyRewrdedIndexes, _ := globalIndexes.Get(newlyRewardVaultDenom)
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	expectedIndexes := claim.RewardIndexes.With(newlyRewardVaultDenom, newlyRewrdedIndexes)
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	suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
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	// new reward is (new index - old index) * shares for the synced vault
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	// The old index for `newlyrewarded` isn't in the claim, so it's added starting at 0 for calculating the reward.
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	suite.Equal(
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		cs(c("otherreward", 1_000_001_000_000)).Add(originalReward...),
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		syncedClaim.Reward,
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	)
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUnchangedWhenNoReward() {
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	// When a vault is not rewarded but the user has deposited to that vault, and the claim is synced;
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	// Then the claim should be the same.
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: arbitraryCoins(),
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		},
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		RewardIndexes: nonEmptyMultiRewardIndexes,
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	}
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	suite.storeEarnClaim(claim)
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	vaultDenom := "nonRewardVault"
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	// No global indexes stored as this vault is not rewarded
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	userShares := d("1000000000")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, vaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	suite.Equal(claim, syncedClaim)
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUpdatedWhenNewRewardDenomAdded() {
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	// When a new reward coin is added (via gov) to an already rewarded vault (that the user has already deposited to), and the claim is synced;
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	// Then the user earns rewards for the time since the reward was added, and the new indexes are added.
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	originalReward := arbitraryCoins()
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	vaultDenom := "cats"
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: originalReward,
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: vaultDenom,
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				RewardIndexes: types.RewardIndexes{
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					{
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						CollateralType: "reward",
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						RewardFactor:   d("1000.001"),
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					},
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				},
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: vaultDenom,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "reward",
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					RewardFactor:   d("2000.002"),
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				},
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				{
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					CollateralType: "otherreward",
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					// Indexes start at 0 when the reward is added by gov,
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					// so this represents the syncing happening some time later.
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					RewardFactor: d("1000.001"),
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				},
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			},
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		},
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	}
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	suite.storeGlobalEarnIndexes(globalIndexes)
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	userShares := d("1000000000")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, vaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	// indexes should have the new reward denom added
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	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
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	// new reward is (new index - old index) * shares
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	// The old index for `otherreward` isn't in the claim, so it's added starting at 0 for calculating the reward.
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	suite.Equal(
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		cs(c("reward", 1_000_001_000_000), c("otherreward", 1_000_001_000_000)).Add(originalReward...),
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		syncedClaim.Reward,
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	)
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}
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func (suite *SynchronizeEarnRewardTests) TestClaimUpdatedWhenGlobalIndexesIncreasedAndSourceIsZero() {
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	// Given some time has passed (meaning the global indexes have increased)
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	// When the claim is synced, but the user has no shares
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	// The user earns no rewards for the time passed, but the claim indexes are updated
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	vaultDenom := "cats"
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  arbitraryAddress(),
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			Reward: arbitraryCoins(),
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: vaultDenom,
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				RewardIndexes: types.RewardIndexes{
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					{
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						CollateralType: "rewarddenom",
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						RewardFactor:   d("1000.001"),
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					},
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				},
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: vaultDenom,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "rewarddenom",
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					RewardFactor:   d("2000.002"),
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				},
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			},
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		},
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	}
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	suite.storeGlobalEarnIndexes(globalIndexes)
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	userShares := d("0")
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	suite.keeper.SynchronizeEarnReward(suite.ctx, vaultDenom, claim.Owner, userShares)
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	syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner)
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	// indexes updated from global
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	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
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	// reward is unchanged
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	suite.Equal(claim.Reward, syncedClaim.Reward)
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}
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func (suite *SynchronizeEarnRewardTests) TestGetSyncedClaim_ClaimUnchangedWhenNoGlobalIndexes() {
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	vaultDenom_1 := "usdx"
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	owner := arbitraryAddress()
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	earnKeeper := newFakeEarnKeeper().
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		addDeposit(owner, earntypes.NewVaultShare("usdx", d("1000000000")))
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	suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, nil, nil, nil, nil, earnKeeper)
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  owner,
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			Reward: nil,
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: vaultDenom_1,
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				RewardIndexes:  nil, // this state only happens because Init stores empty indexes
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	// no global indexes for any vault
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	syncedClaim, f := suite.keeper.GetSynchronizedEarnClaim(suite.ctx, claim.Owner)
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	suite.True(f)
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	// indexes are unchanged
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	suite.Equal(claim.RewardIndexes, syncedClaim.RewardIndexes)
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	// reward is unchanged
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	suite.Equal(claim.Reward, syncedClaim.Reward)
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}
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func (suite *SynchronizeEarnRewardTests) TestGetSyncedClaim_ClaimUpdatedWhenMissingIndexAndHasNoSourceShares() {
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	vaultDenom_1 := "usdx"
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	vaultDenom_2 := "ukava"
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	owner := arbitraryAddress()
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	// owner has no shares in any vault
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	suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, nil, nil, nil, nil, newFakeEarnKeeper())
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	claim := types.EarnClaim{
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		BaseMultiClaim: types.BaseMultiClaim{
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			Owner:  owner,
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			Reward: arbitraryCoins(),
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		},
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		RewardIndexes: types.MultiRewardIndexes{
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			{
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				CollateralType: vaultDenom_1,
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				RewardIndexes: types.RewardIndexes{
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					{
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						CollateralType: "rewarddenom1",
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						RewardFactor:   d("1000.001"),
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					},
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				},
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			},
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		},
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	}
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	suite.storeEarnClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: vaultDenom_1,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "rewarddenom1",
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					RewardFactor:   d("2000.002"),
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				},
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			},
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		},
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		{
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			CollateralType: vaultDenom_2,
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			RewardIndexes: types.RewardIndexes{
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				{
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					CollateralType: "rewarddenom2",
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					RewardFactor:   d("2000.002"),
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				},
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			},
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		},
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	}
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	suite.storeGlobalEarnIndexes(globalIndexes)
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	syncedClaim, f := suite.keeper.GetSynchronizedEarnClaim(suite.ctx, claim.Owner)
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	suite.True(f)
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	// indexes updated from global
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	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
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	// reward is unchanged
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	suite.Equal(claim.Reward, syncedClaim.Reward)
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}
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func (suite *SynchronizeEarnRewardTests) TestGetSyncedClaim_ClaimUpdatedWhenMissingIndexButHasSourceShares() {
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	VaultDenom_1 := "usdx"
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	VaultDenom_2 := "ukava"
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	owner := arbitraryAddress()
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	earnKeeper := newFakeEarnKeeper().
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		addVault(VaultDenom_1, earntypes.NewVaultShare(VaultDenom_1, d("1000000000"))).
 | 
						|
		addVault(VaultDenom_2, earntypes.NewVaultShare(VaultDenom_2, d("1000000000"))).
 | 
						|
		addDeposit(owner, earntypes.NewVaultShare(VaultDenom_1, d("1000000000"))).
 | 
						|
		addDeposit(owner, earntypes.NewVaultShare(VaultDenom_2, d("1000000000")))
 | 
						|
	suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, nil, nil, nil, nil, earnKeeper)
 | 
						|
 | 
						|
	claim := types.EarnClaim{
 | 
						|
		BaseMultiClaim: types.BaseMultiClaim{
 | 
						|
			Owner:  owner,
 | 
						|
			Reward: arbitraryCoins(),
 | 
						|
		},
 | 
						|
		RewardIndexes: types.MultiRewardIndexes{
 | 
						|
			{
 | 
						|
				CollateralType: VaultDenom_1,
 | 
						|
				RewardIndexes: types.RewardIndexes{
 | 
						|
					{
 | 
						|
						CollateralType: "rewarddenom1",
 | 
						|
						RewardFactor:   d("1000.001"),
 | 
						|
					},
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
	suite.storeEarnClaim(claim)
 | 
						|
 | 
						|
	globalIndexes := types.MultiRewardIndexes{
 | 
						|
		{
 | 
						|
			CollateralType: VaultDenom_1,
 | 
						|
			RewardIndexes: types.RewardIndexes{
 | 
						|
				{
 | 
						|
					CollateralType: "rewarddenom1",
 | 
						|
					RewardFactor:   d("2000.002"),
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
		{
 | 
						|
			CollateralType: VaultDenom_2,
 | 
						|
			RewardIndexes: types.RewardIndexes{
 | 
						|
				{
 | 
						|
					CollateralType: "rewarddenom2",
 | 
						|
					RewardFactor:   d("2000.002"),
 | 
						|
				},
 | 
						|
			},
 | 
						|
		},
 | 
						|
	}
 | 
						|
	suite.storeGlobalEarnIndexes(globalIndexes)
 | 
						|
 | 
						|
	syncedClaim, f := suite.keeper.GetSynchronizedEarnClaim(suite.ctx, claim.Owner)
 | 
						|
	suite.True(f)
 | 
						|
 | 
						|
	// indexes updated from global
 | 
						|
	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
 | 
						|
	// reward is incremented
 | 
						|
	expectedReward := cs(c("rewarddenom1", 1_000_001_000_000), c("rewarddenom2", 2_000_002_000_000))
 | 
						|
	suite.Equal(claim.Reward.Add(expectedReward...), syncedClaim.Reward)
 | 
						|
}
 |