0g-chain/x/incentive/keeper/rewards_init_test.go

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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"
)
// InitializeClaimTests runs unit tests for the keeper.InitializeClaim method
//
// inputs
// - claim in store if it exists
// - global indexes in store
//
// outputs
// - sets or creates a claim
type InitializeClaimTests struct {
unitTester
}
func TestInitializeRewardTests(t *testing.T) {
suite.Run(t, new(InitializeClaimTests))
}
func (suite *InitializeClaimTests) 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
collateralType := "usdc"
claimType := types.CLAIM_TYPE_SWAP
owner := arbitraryAddress()
// no global indexes stored as this pool is not rewarded
suite.keeper.InitializeClaim(suite.ctx, claimType, collateralType, owner)
syncedClaim, found := suite.keeper.GetClaim(suite.ctx, claimType, owner)
suite.True(found)
// A new claim should have empty indexes. It doesn't strictly need the collateralType either.
expectedIndexes := types.MultiRewardIndexes{{
CollateralType: collateralType,
RewardIndexes: nil,
}}
suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
// a new claim should start with 0 rewards
suite.Equal(sdk.Coins(nil), syncedClaim.Reward)
}
func (suite *InitializeClaimTests) 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
collateralType := "usdc"
claimType := types.CLAIM_TYPE_SWAP
owner := arbitraryAddress()
globalIndexes := types.MultiRewardIndexes{
{
CollateralType: collateralType,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "rewarddenom",
RewardFactor: d("1000.001"),
},
},
},
}
suite.storeGlobalIndexes(claimType, globalIndexes)
suite.keeper.InitializeClaim(suite.ctx, claimType, collateralType, owner)
syncedClaim, found := suite.keeper.GetClaim(suite.ctx, claimType, 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 *InitializeClaimTests) TestClaimUpdatedWhenClaimExistsAndNoRewards() {
// When a claim exists, and a user deposits to a new non-rewarded pool;
// then the claim's rewards don't change
preexistingCollateralType := "preexisting"
preexistingIndexes := types.RewardIndexes{
{
CollateralType: "rewarddenom",
RewardFactor: d("1000.001"),
},
}
newCollateralType := "usdc"
claimType := types.CLAIM_TYPE_SWAP
claim := types.Claim{
Type: claimType,
Owner: arbitraryAddress(),
Reward: arbitraryCoins(),
RewardIndexes: types.MultiRewardIndexes{
{
CollateralType: preexistingCollateralType,
RewardIndexes: preexistingIndexes,
},
},
}
suite.keeper.SetClaim(suite.ctx, claim)
// no global indexes stored as the new pool is not rewarded
suite.keeper.InitializeClaim(suite.ctx, claimType, newCollateralType, claim.Owner)
syncedClaim, _ := suite.keeper.GetClaim(suite.ctx, claimType, claim.Owner)
// The preexisting indexes shouldn't be changed. It doesn't strictly need the new collateralType either.
expectedIndexes := types.MultiRewardIndexes{
{
CollateralType: preexistingCollateralType,
RewardIndexes: preexistingIndexes,
},
{
CollateralType: newCollateralType,
RewardIndexes: nil,
},
}
suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
// init should never alter the rewards
suite.Equal(claim.Reward, syncedClaim.Reward)
}
func (suite *InitializeClaimTests) 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
preexistingCollateralType := "preexisting"
preexistingIndexes := types.RewardIndexes{
{
CollateralType: "rewarddenom",
RewardFactor: d("1000.001"),
},
}
newCollateralType := "btcb:usdx"
newIndexes := types.RewardIndexes{
{
CollateralType: "otherrewarddenom",
RewardFactor: d("1000.001"),
},
}
claimType := types.CLAIM_TYPE_SWAP
claim := types.Claim{
Type: claimType,
Owner: arbitraryAddress(),
Reward: arbitraryCoins(),
RewardIndexes: types.MultiRewardIndexes{
{
CollateralType: preexistingCollateralType,
RewardIndexes: preexistingIndexes,
},
},
}
suite.keeper.SetClaim(suite.ctx, claim)
globalIndexes := types.MultiRewardIndexes{
{
CollateralType: preexistingCollateralType,
RewardIndexes: increaseRewardFactors(preexistingIndexes),
},
{
CollateralType: newCollateralType,
RewardIndexes: newIndexes,
},
}
suite.storeGlobalIndexes(claimType, globalIndexes)
suite.keeper.InitializeClaim(suite.ctx, claimType, newCollateralType, claim.Owner)
syncedClaim, _ := suite.keeper.GetClaim(suite.ctx, claimType, claim.Owner)
// only the indexes for the new pool should be updated
expectedIndexes := types.MultiRewardIndexes{
{
CollateralType: preexistingCollateralType,
RewardIndexes: preexistingIndexes,
},
{
CollateralType: newCollateralType,
RewardIndexes: newIndexes,
},
}
suite.Equal(expectedIndexes, syncedClaim.RewardIndexes)
// init should never alter the rewards
suite.Equal(claim.Reward, syncedClaim.Reward)
}