0g-chain/x/incentive/keeper/rewards_delegator_sync_test.go
Ruaridh 6f193c7f2a
Refactor incentive accumulators to be the same (#970)
* 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
2021-07-22 13:53:18 +01:00

394 lines
12 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"
)
// SynchronizeDelegatorRewardTests runs unit tests for the keeper.SynchronizeDelegatorReward method
//
// inputs
// - claim in store if it exists (only claim.DelegatorRewardIndexes and claim.Reward)
// - global index in store
// - function args: delegator address, validator address, shouldIncludeValidator flag
// - delegator's delegations and the corresponding validators
//
// outputs
// - sets or creates a claim
type SynchronizeDelegatorRewardTests struct {
unitTester
}
func TestSynchronizeDelegatorReward(t *testing.T) {
suite.Run(t, new(SynchronizeDelegatorRewardTests))
}
func (suite *SynchronizeDelegatorRewardTests) storeGlobalDelegatorFactor(multiRewardIndexes types.MultiRewardIndexes) {
multiRewardIndex, _ := multiRewardIndexes.GetRewardIndex(types.BondDenom)
suite.keeper.SetDelegatorRewardIndexes(suite.ctx, types.BondDenom, multiRewardIndex.RewardIndexes)
}
func (suite *SynchronizeDelegatorRewardTests) TestClaimIndexesAreUnchangedWhenGlobalFactorUnchanged() {
delegator := arbitraryAddress()
stakingKeeper := &fakeStakingKeeper{} // use an empty staking keeper that returns no delegations
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
claim := types.DelegatorClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: delegator,
},
RewardIndexes: arbitraryDelegatorRewardIndexes,
}
suite.storeDelegatorClaim(claim)
suite.storeGlobalDelegatorFactor(claim.RewardIndexes)
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, claim.Owner, nil, false)
syncedClaim, _ := suite.keeper.GetDelegatorClaim(suite.ctx, claim.Owner)
suite.Equal(claim.RewardIndexes, syncedClaim.RewardIndexes)
}
func (suite *SynchronizeDelegatorRewardTests) TestClaimIndexesAreUpdatedWhenGlobalFactorIncreased() {
delegator := arbitraryAddress()
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, &fakeStakingKeeper{}, nil)
claim := types.DelegatorClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: delegator,
},
RewardIndexes: arbitraryDelegatorRewardIndexes,
}
suite.storeDelegatorClaim(claim)
rewardIndexes, _ := claim.RewardIndexes.Get(types.BondDenom)
globalIndexes := increaseRewardFactors(rewardIndexes)
// Update the claim object with the new global factor
bondIndex, _ := claim.RewardIndexes.GetRewardIndexIndex(types.BondDenom)
claim.RewardIndexes[bondIndex].RewardIndexes = globalIndexes
suite.storeGlobalDelegatorFactor(claim.RewardIndexes)
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, claim.Owner, nil, false)
syncedClaim, _ := suite.keeper.GetDelegatorClaim(suite.ctx, claim.Owner)
suite.Equal(globalIndexes, syncedClaim.RewardIndexes[bondIndex].RewardIndexes)
}
func (suite *SynchronizeDelegatorRewardTests) TestRewardIsUnchangedWhenGlobalFactorUnchanged() {
delegator := arbitraryAddress()
validatorAddress := arbitraryValidatorAddress()
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddress,
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddress),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
claim := types.DelegatorClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: delegator,
Reward: arbitraryCoins(),
},
RewardIndexes: types.MultiRewardIndexes{{
CollateralType: types.BondDenom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "hard", RewardFactor: d("0.1"),
},
{
CollateralType: "swp", RewardFactor: d("0.2"),
},
},
}},
}
suite.storeDelegatorClaim(claim)
suite.storeGlobalDelegatorFactor(claim.RewardIndexes)
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, claim.Owner, nil, false)
syncedClaim, _ := suite.keeper.GetDelegatorClaim(suite.ctx, claim.Owner)
suite.Equal(claim.Reward, syncedClaim.Reward)
}
func (suite *SynchronizeDelegatorRewardTests) TestRewardIsIncreasedWhenNewRewardAdded() {
delegator := arbitraryAddress()
validatorAddress := arbitraryValidatorAddress()
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddress,
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddress),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
claim := types.DelegatorClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: delegator,
Reward: arbitraryCoins(),
},
RewardIndexes: types.MultiRewardIndexes{},
}
suite.storeDelegatorClaim(claim)
newGlobalIndexes := types.MultiRewardIndexes{{
CollateralType: types.BondDenom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "hard", RewardFactor: d("0.1"),
},
{
CollateralType: "swp", RewardFactor: d("0.2"),
},
},
}}
suite.storeGlobalDelegatorIndexes(newGlobalIndexes)
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, claim.Owner, nil, false)
syncedClaim, _ := suite.keeper.GetDelegatorClaim(suite.ctx, claim.Owner)
suite.Equal(newGlobalIndexes, syncedClaim.RewardIndexes)
suite.Equal(
cs(c("hard", 100), c("swp", 200)).Add(claim.Reward...),
syncedClaim.Reward,
)
}
func (suite *SynchronizeDelegatorRewardTests) TestRewardIsIncreasedWhenGlobalFactorIncreased() {
delegator := arbitraryAddress()
validatorAddress := arbitraryValidatorAddress()
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddress,
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddress),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
claim := types.DelegatorClaim{
BaseMultiClaim: types.BaseMultiClaim{
Owner: delegator,
Reward: arbitraryCoins(),
},
RewardIndexes: types.MultiRewardIndexes{{
CollateralType: types.BondDenom,
RewardIndexes: types.RewardIndexes{
{
CollateralType: "hard", RewardFactor: d("0.1"),
},
{
CollateralType: "swp", RewardFactor: d("0.2"),
},
},
}},
}
suite.storeDelegatorClaim(claim)
suite.storeGlobalDelegatorIndexes(
types.MultiRewardIndexes{
types.NewMultiRewardIndex(
types.BondDenom,
types.RewardIndexes{
{
CollateralType: "hard", RewardFactor: d("0.2"),
},
{
CollateralType: "swp", RewardFactor: d("0.4"),
},
},
),
},
)
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, claim.Owner, nil, false)
syncedClaim, _ := suite.keeper.GetDelegatorClaim(suite.ctx, claim.Owner)
suite.Equal(
cs(c("hard", 100), c("swp", 200)).Add(claim.Reward...),
syncedClaim.Reward,
)
}
func unslashedBondedValidator(address sdk.ValAddress) stakingtypes.Validator {
return stakingtypes.Validator{
OperatorAddress: address,
Status: sdk.Bonded,
// Set the tokens and shares equal so then
// a _delegator's_ token amount is equal to their shares amount
Tokens: i(1e12),
DelegatorShares: i(1e12).ToDec(),
}
}
func unslashedNotBondedValidator(address sdk.ValAddress) stakingtypes.Validator {
return stakingtypes.Validator{
OperatorAddress: address,
Status: sdk.Unbonding,
// Set the tokens and shares equal so then
// a _delegator's_ token amount is equal to their shares amount
Tokens: i(1e12),
DelegatorShares: i(1e12).ToDec(),
}
}
func (suite *SynchronizeDelegatorRewardTests) TestGetDelegatedWhenValAddrIsNil() {
// when valAddr is nil, get total delegated to bonded validators
delegator := arbitraryAddress()
validatorAddresses := generateValidatorAddresses(4)
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
//bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[0],
Shares: d("1"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[1],
Shares: d("10"),
},
// not bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[2],
Shares: d("100"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[3],
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddresses[0]),
unslashedBondedValidator(validatorAddresses[1]),
unslashedNotBondedValidator(validatorAddresses[2]),
unslashedNotBondedValidator(validatorAddresses[3]),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
suite.Equal(
d("11"), // delegation to bonded validators
suite.keeper.GetTotalDelegated(suite.ctx, delegator, nil, false),
)
}
func (suite *SynchronizeDelegatorRewardTests) TestGetDelegatedWhenExcludingAValidator() {
// when valAddr is x, get total delegated to bonded validators excluding those to x
delegator := arbitraryAddress()
validatorAddresses := generateValidatorAddresses(4)
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
//bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[0],
Shares: d("1"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[1],
Shares: d("10"),
},
// not bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[2],
Shares: d("100"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[3],
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddresses[0]),
unslashedBondedValidator(validatorAddresses[1]),
unslashedNotBondedValidator(validatorAddresses[2]),
unslashedNotBondedValidator(validatorAddresses[3]),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
suite.Equal(
d("10"),
suite.keeper.GetTotalDelegated(suite.ctx, delegator, validatorAddresses[0], false),
)
}
func (suite *SynchronizeDelegatorRewardTests) TestGetDelegatedWhenIncludingAValidator() {
// when valAddr is x, get total delegated to bonded validators including those to x
delegator := arbitraryAddress()
validatorAddresses := generateValidatorAddresses(4)
stakingKeeper := &fakeStakingKeeper{
delegations: stakingtypes.Delegations{
//bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[0],
Shares: d("1"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[1],
Shares: d("10"),
},
// not bonded
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[2],
Shares: d("100"),
},
{
DelegatorAddress: delegator,
ValidatorAddress: validatorAddresses[3],
Shares: d("1000"),
},
},
validators: stakingtypes.Validators{
unslashedBondedValidator(validatorAddresses[0]),
unslashedBondedValidator(validatorAddresses[1]),
unslashedNotBondedValidator(validatorAddresses[2]),
unslashedNotBondedValidator(validatorAddresses[3]),
},
}
suite.keeper = suite.NewKeeper(&fakeParamSubspace{}, nil, nil, nil, nil, stakingKeeper, nil)
suite.Equal(
d("111"),
suite.keeper.GetTotalDelegated(suite.ctx, delegator, validatorAddresses[2], true),
)
}