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	* add test for validate multi reward periods * tidy up: combine files * don't accumulate global indexes containing zeros Previously if the time since last block was 0, indexes were added containing 0s. Now leave them out. Missing is assumed to be 0. * move state independent test to types folder * clarify reward source concept to "source shares" - rename variables and update doc comments - extract method from swap accumulation * tidy up and expand swap accumulation unit tests * rename swap test file to match others * update swap pool id format in tests * refactor borrow accumulation, use new accumulator * refactor supply accumulation, use new accumulator * refactor delegator accumulation, use accumulator * refactor usdx accumulation, use new accumulator * fix types const * remove unsed methods * more usdx minting param validation. Protect against the rewards per second denom changing. It should always be "ukava". * add safety check in InitGenesis It prevents huge accumulations on the first block by limiting all previous accumulation times to be within one year of genesis * add todo for adding swp token distirbution info
		
			
				
	
	
		
			196 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			196 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package keeper_test
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import (
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	"testing"
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	sdk "github.com/cosmos/cosmos-sdk/types"
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	"github.com/stretchr/testify/suite"
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	"github.com/kava-labs/kava/x/incentive/types"
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)
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// InitializeSwapRewardTests runs unit tests for the keeper.InitializeSwapReward method
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//
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// inputs
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// - claim in store if it exists
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// - global indexes in store
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//
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// outputs
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// - sets or creates a claim
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type InitializeSwapRewardTests struct {
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	unitTester
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}
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func TestInitializeSwapReward(t *testing.T) {
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	suite.Run(t, new(InitializeSwapRewardTests))
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}
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func (suite *InitializeSwapRewardTests) TestClaimAddedWhenClaimDoesNotExistAndNoRewards() {
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	// When a claim doesn't exist, and a user deposits to a non-rewarded pool;
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	// then a claim is added with no rewards and no indexes
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	poolID := "base:quote"
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	// no global indexes stored as this pool is not rewarded
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	owner := arbitraryAddress()
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	suite.keeper.InitializeSwapReward(suite.ctx, poolID, owner)
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	syncedClaim, found := suite.keeper.GetSwapClaim(suite.ctx, owner)
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	suite.True(found)
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	// A new claim should have empty indexes. It doesn't strictly need the poolID either.
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	expectedIndexes := types.MultiRewardIndexes{{
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		CollateralType: poolID,
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		RewardIndexes:  nil,
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	}}
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	suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
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	// a new claim should start with 0 rewards
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	suite.Equal(sdk.Coins(nil), syncedClaim.Reward)
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}
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func (suite *InitializeSwapRewardTests) TestClaimAddedWhenClaimDoesNotExistAndRewardsExist() {
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	// When a claim doesn't exist, and a user deposits to a rewarded pool;
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	// then a claim is added with no rewards and indexes matching the global indexes
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	poolID := "base:quote"
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: poolID,
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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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	suite.storeGlobalSwapIndexes(globalIndexes)
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	owner := arbitraryAddress()
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	suite.keeper.InitializeSwapReward(suite.ctx, poolID, owner)
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	syncedClaim, found := suite.keeper.GetSwapClaim(suite.ctx, owner)
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	suite.True(found)
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	// a new claim should start with the current global indexes
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	suite.Equal(globalIndexes, syncedClaim.RewardIndexes)
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	// a new claim should start with 0 rewards
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	suite.Equal(sdk.Coins(nil), syncedClaim.Reward)
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}
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func (suite *InitializeSwapRewardTests) TestClaimUpdatedWhenClaimExistsAndNoRewards() {
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	// When a claim exists, and a user deposits to a new non-rewarded pool;
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	// then the claim's rewards don't change
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	preexistingPoolID := "preexisting"
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	preexistingIndexes := 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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	newPoolID := "btcb:usdx"
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	claim := types.SwapClaim{
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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: preexistingPoolID,
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				RewardIndexes:  preexistingIndexes,
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			},
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		},
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	}
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	suite.storeSwapClaim(claim)
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	// no global indexes stored as the new pool is not rewarded
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	suite.keeper.InitializeSwapReward(suite.ctx, newPoolID, claim.Owner)
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	syncedClaim, _ := suite.keeper.GetSwapClaim(suite.ctx, claim.Owner)
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	// The preexisting indexes shouldn't be changed. It doesn't strictly need the new poolID either.
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	expectedIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: preexistingPoolID,
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			RewardIndexes:  preexistingIndexes,
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		},
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		{
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			CollateralType: newPoolID,
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			RewardIndexes:  nil,
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		},
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	}
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	suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
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	// init should never alter the rewards
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	suite.Equal(claim.Reward, syncedClaim.Reward)
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}
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func (suite *InitializeSwapRewardTests) TestClaimUpdatedWhenClaimExistsAndRewardsExist() {
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	// When a claim exists, and a user deposits to a new rewarded pool;
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	// then the claim's rewards don't change and the indexes are updated to match the global indexes
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	preexistingPoolID := "preexisting"
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	preexistingIndexes := 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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	newPoolID := "btcb:usdx"
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	newIndexes := types.RewardIndexes{
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		{
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			CollateralType: "otherrewarddenom",
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			RewardFactor:   d("1000.001"),
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		},
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	}
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	claim := types.SwapClaim{
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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: preexistingPoolID,
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				RewardIndexes:  preexistingIndexes,
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			},
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		},
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	}
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	suite.storeSwapClaim(claim)
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	globalIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: preexistingPoolID,
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			RewardIndexes:  increaseRewardFactors(preexistingIndexes),
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		},
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		{
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			CollateralType: newPoolID,
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			RewardIndexes:  newIndexes,
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		},
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	}
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	suite.storeGlobalSwapIndexes(globalIndexes)
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	suite.keeper.InitializeSwapReward(suite.ctx, newPoolID, claim.Owner)
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	syncedClaim, _ := suite.keeper.GetSwapClaim(suite.ctx, claim.Owner)
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	// only the indexes for the new pool should be updated
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	expectedIndexes := types.MultiRewardIndexes{
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		{
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			CollateralType: preexistingPoolID,
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			RewardIndexes:  preexistingIndexes,
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		},
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		{
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			CollateralType: newPoolID,
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			RewardIndexes:  newIndexes,
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		},
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	}
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	suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
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	// init should never alter the rewards
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	suite.Equal(claim.Reward, syncedClaim.Reward)
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}
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