package keeper_test import ( "testing" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/stretchr/testify/suite" "github.com/kava-labs/kava/x/incentive/types" ) // InitializeEarnRewardTests runs unit tests for the keeper.InitializeEarnReward method // // inputs // - claim in store if it exists // - global indexes in store // // outputs // - sets or creates a claim type InitializeEarnRewardTests struct { unitTester } func TestInitializeEarnReward(t *testing.T) { suite.Run(t, new(InitializeEarnRewardTests)) } func (suite *InitializeEarnRewardTests) TestClaimAddedWhenClaimDoesNotExistAndNoRewards() { // When a claim doesn't exist, and a user deposits to a non-rewarded pool; // then a claim is added with no rewards and no indexes vaultDenom := "usdx" // no global indexes stored as this pool is not rewarded owner := arbitraryAddress() suite.keeper.InitializeEarnReward(suite.ctx, vaultDenom, owner) syncedClaim, found := suite.keeper.GetEarnClaim(suite.ctx, owner) suite.True(found) // A new claim should have empty indexes. It doesn't strictly need the vaultDenom either. expectedIndexes := types.MultiRewardIndexes{{ CollateralType: vaultDenom, RewardIndexes: nil, }} suite.Equal(expectedIndexes, syncedClaim.RewardIndexes) // a new claim should start with 0 rewards suite.Equal(sdk.Coins(nil), syncedClaim.Reward) } func (suite *InitializeEarnRewardTests) TestClaimAddedWhenClaimDoesNotExistAndRewardsExist() { // When a claim doesn't exist, and a user deposits to a rewarded pool; // then a claim is added with no rewards and indexes matching the global indexes vaultDenom := "usdx" globalIndexes := types.MultiRewardIndexes{ { CollateralType: vaultDenom, RewardIndexes: types.RewardIndexes{ { CollateralType: "rewarddenom", RewardFactor: d("1000.001"), }, }, }, } suite.storeGlobalEarnIndexes(globalIndexes) owner := arbitraryAddress() suite.keeper.InitializeEarnReward(suite.ctx, vaultDenom, owner) syncedClaim, found := suite.keeper.GetEarnClaim(suite.ctx, owner) suite.True(found) // a new claim should start with the current global indexes suite.Equal(globalIndexes, syncedClaim.RewardIndexes) // a new claim should start with 0 rewards suite.Equal(sdk.Coins(nil), syncedClaim.Reward) } func (suite *InitializeEarnRewardTests) TestClaimUpdatedWhenClaimExistsAndNoRewards() { // When a claim exists, and a user deposits to a new non-rewarded pool; // then the claim's rewards don't change preexistingvaultDenom := "preexisting" preexistingIndexes := types.RewardIndexes{ { CollateralType: "rewarddenom", RewardFactor: d("1000.001"), }, } newVaultDenom := "btcb:usdx" claim := types.EarnClaim{ BaseMultiClaim: types.BaseMultiClaim{ Owner: arbitraryAddress(), Reward: arbitraryCoins(), }, RewardIndexes: types.MultiRewardIndexes{ { CollateralType: preexistingvaultDenom, RewardIndexes: preexistingIndexes, }, }, } suite.storeEarnClaim(claim) // no global indexes stored as the new pool is not rewarded suite.keeper.InitializeEarnReward(suite.ctx, newVaultDenom, claim.Owner) syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner) // The preexisting indexes shouldn't be changed. It doesn't strictly need the new vaultDenom either. expectedIndexes := types.MultiRewardIndexes{ { CollateralType: preexistingvaultDenom, RewardIndexes: preexistingIndexes, }, { CollateralType: newVaultDenom, RewardIndexes: nil, }, } suite.Equal(expectedIndexes, syncedClaim.RewardIndexes) // init should never alter the rewards suite.Equal(claim.Reward, syncedClaim.Reward) } func (suite *InitializeEarnRewardTests) TestClaimUpdatedWhenClaimExistsAndRewardsExist() { // When a claim exists, and a user deposits to a new rewarded pool; // then the claim's rewards don't change and the indexes are updated to match the global indexes preexistingvaultDenom := "preexisting" preexistingIndexes := types.RewardIndexes{ { CollateralType: "rewarddenom", RewardFactor: d("1000.001"), }, } newVaultDenom := "btcb:usdx" newIndexes := types.RewardIndexes{ { CollateralType: "otherrewarddenom", RewardFactor: d("1000.001"), }, } claim := types.EarnClaim{ BaseMultiClaim: types.BaseMultiClaim{ Owner: arbitraryAddress(), Reward: arbitraryCoins(), }, RewardIndexes: types.MultiRewardIndexes{ { CollateralType: preexistingvaultDenom, RewardIndexes: preexistingIndexes, }, }, } suite.storeEarnClaim(claim) globalIndexes := types.MultiRewardIndexes{ { CollateralType: preexistingvaultDenom, RewardIndexes: increaseRewardFactors(preexistingIndexes), }, { CollateralType: newVaultDenom, RewardIndexes: newIndexes, }, } suite.storeGlobalEarnIndexes(globalIndexes) suite.keeper.InitializeEarnReward(suite.ctx, newVaultDenom, claim.Owner) syncedClaim, _ := suite.keeper.GetEarnClaim(suite.ctx, claim.Owner) // only the indexes for the new pool should be updated expectedIndexes := types.MultiRewardIndexes{ { CollateralType: preexistingvaultDenom, RewardIndexes: preexistingIndexes, }, { CollateralType: newVaultDenom, RewardIndexes: newIndexes, }, } suite.Equal(expectedIndexes, syncedClaim.RewardIndexes) // init should never alter the rewards suite.Equal(claim.Reward, syncedClaim.Reward) }