0g-chain/x/incentive/keeper/rewards_delegator_init_test.go
Ruaridh c7962e45c0
Swaps accumulate global rewards (#947)
* add get set methods for swap reward indexes

* add get set methods for swap accrual time

* tidy up location of multi periods

* add swap reward periods to params

* add initial legacy types for incentive

* minor refactor of migration code

* add incentive migration for swap params

* minor incentive test refactors

* add math methods to RewardIndexes

* add keeper method to increment global indexes

* add swap keeper to incentive keeper

* indicate if pool shares were found or not

* add accumulator to compute new rewards each block

* accumulate swap rewards globally

* remove unecessary keeper method

* expand doc comments on accumulator methods

* test precision not lost in accumulation

* minor fixes from merge

* rename storeGlobalDelegatorFactor to match others

* fix migration from merge

* fix bug in app setup

* fix accumulation bug when starting with no state

* rename swap files to match others

* add swap accumulation times to genesis

* remove old migration refactor

* minor updates to spec

* add high level description of how rewards work
2021-07-07 14:23:06 +01:00

122 lines
4.0 KiB
Go

package keeper_test
import (
"testing"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/stretchr/testify/suite"
"github.com/kava-labs/kava/x/incentive/types"
)
// InitializeHardDelegatorRewardTests runs unit tests for the keeper.InitializeHardDelegatorReward method
//
// inputs
// - claim in store if it exists (only claim.DelegatorRewardIndexes)
// - global indexes in store
// - delegator function arg
//
// outputs
// - sets or creates a claim
type InitializeHardDelegatorRewardTests struct {
unitTester
}
func TestInitializeHardDelegatorReward(t *testing.T) {
suite.Run(t, new(InitializeHardDelegatorRewardTests))
}
func (suite *InitializeHardDelegatorRewardTests) TestClaimIndexesAreSetWhenClaimDoesNotExist() {
globalIndex := arbitraryDelegatorRewardIndexes
suite.storeGlobalDelegatorIndexes(globalIndex)
delegator := arbitraryAddress()
suite.keeper.InitializeHardDelegatorReward(suite.ctx, delegator)
syncedClaim, f := suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, delegator)
suite.True(f)
suite.Equal(globalIndex, syncedClaim.DelegatorRewardIndexes)
}
func (suite *InitializeHardDelegatorRewardTests) TestClaimIsSyncedAndIndexesAreSetWhenClaimDoesExist() {
validatorAddress := arbitraryValidatorAddress()
sk := fakeStakingKeeper{
delegations: stakingtypes.Delegations{{
ValidatorAddress: validatorAddress,
Shares: d("1000"),
}},
validators: stakingtypes.Validators{{
OperatorAddress: validatorAddress,
Status: sdk.Bonded,
Tokens: i(1000),
DelegatorShares: d("1000"),
}},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, sk, nil)
claim := types.HardLiquidityProviderClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: arbitraryAddress(),
},
DelegatorRewardIndexes: arbitraryDelegatorRewardIndexes,
}
suite.storeClaim(claim)
// Set the global factor to a value different to one in claim so
// we can detect if it is overwritten.
rewardIndexes, _ := claim.DelegatorRewardIndexes.Get(types.BondDenom)
globalIndexes := increaseRewardFactors(rewardIndexes)
// Update the claim object with the new global factor
bondIndex, _ := claim.DelegatorRewardIndexes.GetRewardIndexIndex(types.BondDenom)
claim.DelegatorRewardIndexes[bondIndex].RewardIndexes = globalIndexes
suite.storeGlobalDelegatorIndexes(claim.DelegatorRewardIndexes)
suite.keeper.InitializeHardDelegatorReward(suite.ctx, claim.Owner)
syncedClaim, _ := suite.keeper.GetHardLiquidityProviderClaim(suite.ctx, claim.Owner)
suite.Equal(globalIndexes, syncedClaim.DelegatorRewardIndexes[bondIndex].RewardIndexes)
suite.Truef(syncedClaim.Reward.IsAllGT(claim.Reward), "'%s' not greater than '%s'", syncedClaim.Reward, claim.Reward)
}
// arbitraryDelegatorRewardIndexes contains only one reward index as there is only ever one bond denom
var arbitraryDelegatorRewardIndexes = types.MultiRewardIndexes{
types.NewMultiRewardIndex(
types.BondDenom,
types.RewardIndexes{
types.NewRewardIndex("hard", d("0.2")),
types.NewRewardIndex("swp", d("0.2")),
},
),
}
type fakeStakingKeeper struct {
delegations stakingtypes.Delegations
validators stakingtypes.Validators
}
func (k fakeStakingKeeper) TotalBondedTokens(ctx sdk.Context) sdk.Int {
panic("unimplemented")
}
func (k fakeStakingKeeper) GetDelegatorDelegations(ctx sdk.Context, delegator sdk.AccAddress, maxRetrieve uint16) []stakingtypes.Delegation {
return k.delegations
}
func (k fakeStakingKeeper) GetValidator(ctx sdk.Context, addr sdk.ValAddress) (stakingtypes.Validator, bool) {
for _, val := range k.validators {
if val.GetOperator().Equals(addr) {
return val, true
}
}
return stakingtypes.Validator{}, false
}
func (k fakeStakingKeeper) GetValidatorDelegations(ctx sdk.Context, valAddr sdk.ValAddress) []stakingtypes.Delegation {
var delegations stakingtypes.Delegations
for _, d := range k.delegations {
if d.ValidatorAddress.Equals(valAddr) {
delegations = append(delegations, d)
}
}
return delegations
}