0g-chain/x/incentive/keeper/rewards_delegator_test.go
2024-07-30 21:46:39 +08:00

797 lines
31 KiB
Go

package keeper_test
import (
"testing"
"time"
sdkmath "cosmossdk.io/math"
"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/staking"
stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/stretchr/testify/suite"
abci "github.com/tendermint/tendermint/abci/types"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/0glabs/0g-chain/app"
"github.com/0glabs/0g-chain/x/incentive/keeper"
"github.com/0glabs/0g-chain/x/incentive/testutil"
"github.com/0glabs/0g-chain/x/incentive/types"
)
// Test suite used for all keeper tests
type DelegatorRewardsTestSuite struct {
suite.Suite
keeper keeper.Keeper
stakingKeeper stakingkeeper.Keeper
app app.TestApp
ctx sdk.Context
genesisTime time.Time
addrs []sdk.AccAddress
validatorAddrs []sdk.ValAddress
}
// SetupTest is run automatically before each suite test
func (suite *DelegatorRewardsTestSuite) SetupTest() {
config := sdk.GetConfig()
app.SetBech32AddressPrefixes(config)
_, allAddrs := app.GeneratePrivKeyAddressPairs(10)
suite.addrs = allAddrs[:5]
for _, a := range allAddrs[5:] {
suite.validatorAddrs = append(suite.validatorAddrs, sdk.ValAddress(a))
}
suite.genesisTime = time.Date(2020, 12, 15, 14, 0, 0, 0, time.UTC)
}
func (suite *DelegatorRewardsTestSuite) SetupApp() {
suite.app = app.NewTestApp()
suite.keeper = suite.app.GetIncentiveKeeper()
suite.stakingKeeper = suite.app.GetStakingKeeper()
suite.ctx = suite.app.NewContext(true, tmproto.Header{Height: 1, Time: suite.genesisTime, ChainID: "kavatest_1-1"})
}
func (suite *DelegatorRewardsTestSuite) SetupWithGenState(authBuilder *app.AuthBankGenesisBuilder, incentBuilder testutil.IncentiveGenesisBuilder) {
suite.SetupApp()
suite.app.InitializeFromGenesisStatesWithTime(
suite.genesisTime,
authBuilder.BuildMarshalled(suite.app.AppCodec()),
NewStakingGenesisState(suite.app.AppCodec()),
incentBuilder.BuildMarshalled(suite.app.AppCodec()),
)
}
func (suite *DelegatorRewardsTestSuite) TestAccumulateDelegatorRewards() {
type args struct {
delegation sdk.Coin
rewardsPerSecond sdk.Coins
timeElapsed int
expectedRewardIndexes types.RewardIndexes
}
type test struct {
name string
args args
}
testCases := []test{
{
"7 seconds",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
timeElapsed: 7,
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("0.428239000000000000")),
},
},
},
{
"1 day",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
timeElapsed: 86400,
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("5285.692800000000000000")),
},
},
},
{
"0 seconds",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
timeElapsed: 0,
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("0.0")),
},
},
},
{
"multiple reward coins",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354), c("swp", 567889)),
timeElapsed: 7,
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("0.428239000000000000")),
types.NewRewardIndex("swp", d("1.987611500000000000")),
},
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9)))
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(tc.args.delegation.Denom, tc.args.rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
// Delete genesis validator to not influence rewards
suite.app.DeleteGenesisValidator(suite.T(), suite.ctx)
staking.EndBlocker(suite.ctx, suite.stakingKeeper)
// Set up chain context at future time
runAtTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * tc.args.timeElapsed))
runCtx := suite.ctx.WithBlockTime(runAtTime)
rewardPeriods, found := suite.keeper.GetDelegatorRewardPeriods(runCtx, tc.args.delegation.Denom)
suite.Require().True(found)
suite.keeper.AccumulateDelegatorRewards(runCtx, rewardPeriods)
rewardIndexes, _ := suite.keeper.GetDelegatorRewardIndexes(runCtx, tc.args.delegation.Denom)
suite.Require().Equal(tc.args.expectedRewardIndexes, rewardIndexes)
})
}
}
func (suite *DelegatorRewardsTestSuite) TestSynchronizeDelegatorReward() {
type args struct {
delegation sdk.Coin
rewardsPerSecond sdk.Coins
blockTimes []int
expectedRewardIndexes types.RewardIndexes
expectedRewards sdk.Coins
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("6.117700000000000000")),
},
expectedRewards: cs(c("hard", 6117700)),
},
},
{
"10 blocks - long block time",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("52856.928000000000000000")),
},
expectedRewards: cs(c("hard", 52856928000)),
},
},
{
"delegator reward index updated when reward is zero",
args{
delegation: c("ukava", 1),
rewardsPerSecond: cs(c("hard", 1)),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("0.000099999900000100")),
},
expectedRewards: nil,
},
},
{
"multiple reward coins",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354), c("swp", 56789)),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("6.117700000000000000")),
types.NewRewardIndex("swp", d("2.839450000000000000")),
},
expectedRewards: cs(c("hard", 6117700), c("swp", 2839450)),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9)))
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(tc.args.delegation.Denom, tc.args.rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
// Create validator account
staking.BeginBlocker(suite.ctx, suite.stakingKeeper)
selfDelegationCoins := c("ukava", 1_000_000)
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], selfDelegationCoins)
suite.Require().NoError(err)
staking.EndBlocker(suite.ctx, suite.stakingKeeper)
// Delete genesis validator to not influence rewards
suite.app.DeleteGenesisValidator(suite.T(), suite.ctx)
// Delegator delegates
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
// Check that validator account has been created and delegation was successful
valAcc, found := suite.stakingKeeper.GetValidator(suite.ctx, suite.validatorAddrs[0])
suite.True(found)
suite.Require().Equal(valAcc.Status, stakingtypes.Bonded)
suite.Require().Equal(valAcc.Tokens, tc.args.delegation.Amount.Add(selfDelegationCoins.Amount))
// Check that Staking hooks initialized a DelegatorClaim
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
for _, rewardIndex := range claim.RewardIndexes[0].RewardIndexes {
suite.Require().Equal(sdk.ZeroDec(), rewardIndex.RewardFactor)
}
// Run accumulator at several intervals
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
rewardPeriods, found := suite.keeper.GetDelegatorRewardPeriods(blockCtx, tc.args.delegation.Denom)
suite.Require().True(found)
suite.keeper.AccumulateDelegatorRewards(blockCtx, rewardPeriods)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
// After we've accumulated, run synchronize
suite.Require().NotPanics(func() {
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, suite.addrs[0], nil, false)
})
// Check that reward factor and claim have been updated as expected
rewardIndexes, _ := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, tc.args.delegation.Denom)
for i, rewardPerSecond := range tc.args.rewardsPerSecond {
rewardFactor, _ := rewardIndexes.Get(rewardPerSecond.Denom)
suite.Require().Equal(tc.args.expectedRewardIndexes[i].RewardFactor, rewardFactor)
}
claim, found = suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
for i, delegatorRewardIndex := range claim.RewardIndexes[0].RewardIndexes {
suite.Require().Equal(tc.args.expectedRewardIndexes[i].RewardFactor, delegatorRewardIndex.RewardFactor)
}
suite.Require().Equal(tc.args.expectedRewards, claim.Reward)
})
}
}
func (suite *DelegatorRewardsTestSuite) TestSimulateDelegatorRewardSynchronization() {
type args struct {
delegation sdk.Coin
rewardsPerSecond sdk.Coins
blockTimes []int
expectedRewardIndexes types.RewardIndexes
expectedRewards sdk.Coins
}
type test struct {
name string
args args
}
testCases := []test{
{
"10 blocks",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardIndexes: types.RewardIndexes{types.NewRewardIndex("hard", d("6.117700000000000000"))},
expectedRewards: cs(c("hard", 6117700)),
},
},
{
"10 blocks - long block time",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354)),
blockTimes: []int{86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400, 86400},
expectedRewardIndexes: types.RewardIndexes{types.NewRewardIndex("hard", d("52856.928000000000000000"))},
expectedRewards: cs(c("hard", 52856928000)),
},
},
{
"multiple rewards coins",
args{
delegation: c("ukava", 1_000_000),
rewardsPerSecond: cs(c("hard", 122354), c("swp", 56789)),
blockTimes: []int{10, 10, 10, 10, 10, 10, 10, 10, 10, 10},
expectedRewardIndexes: types.RewardIndexes{
types.NewRewardIndex("hard", d("6.117700000000000000")),
types.NewRewardIndex("swp", d("2.839450000000000000")),
},
expectedRewards: cs(c("hard", 6117700), c("swp", 2839450)),
},
},
}
for _, tc := range testCases {
suite.Run(tc.name, func() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9)))
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(tc.args.delegation.Denom, tc.args.rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
// Delegator delegates
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], tc.args.delegation)
suite.Require().NoError(err)
// Delete genesis validator to not influence rewards
suite.app.DeleteGenesisValidator(suite.T(), suite.ctx)
staking.EndBlocker(suite.ctx, suite.stakingKeeper)
// Check that Staking hooks initialized a DelegatorClaim
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
for _, rewardIndex := range claim.RewardIndexes[0].RewardIndexes {
suite.Require().Equal(sdk.ZeroDec(), rewardIndex.RewardFactor)
}
// Run accumulator at several intervals
var timeElapsed int
previousBlockTime := suite.ctx.BlockTime()
for _, t := range tc.args.blockTimes {
timeElapsed += t
updatedBlockTime := previousBlockTime.Add(time.Duration(int(time.Second) * t))
previousBlockTime = updatedBlockTime
blockCtx := suite.ctx.WithBlockTime(updatedBlockTime)
// Accumulate delegator rewards
rewardPeriods, found := suite.keeper.GetDelegatorRewardPeriods(blockCtx, tc.args.delegation.Denom)
suite.Require().True(found)
suite.keeper.AccumulateDelegatorRewards(blockCtx, rewardPeriods)
}
updatedBlockTime := suite.ctx.BlockTime().Add(time.Duration(int(time.Second) * timeElapsed))
suite.ctx = suite.ctx.WithBlockTime(updatedBlockTime)
// Check that the synced claim held in memory has properly simulated syncing
syncedClaim := suite.keeper.SimulateDelegatorSynchronization(suite.ctx, claim)
for i, expectedRewardIndex := range tc.args.expectedRewardIndexes {
// Check that the user's claim's reward index matches the expected reward index
multiRewardIndex, found := syncedClaim.RewardIndexes.Get(types.BondDenom)
suite.Require().True(found)
suite.Require().Equal(expectedRewardIndex, multiRewardIndex[i])
// Check that the user's claim holds the expected amount of reward coins
suite.Require().Equal(
tc.args.expectedRewards.AmountOf(expectedRewardIndex.CollateralType),
syncedClaim.Reward.AmountOf(expectedRewardIndex.CollateralType),
)
}
})
}
}
func (suite *DelegatorRewardsTestSuite) deliverMsgCreateValidator(ctx sdk.Context, address sdk.ValAddress, selfDelegation sdk.Coin) error {
msg, err := stakingtypes.NewMsgCreateValidator(
address,
ed25519.GenPrivKey().PubKey(),
selfDelegation,
stakingtypes.Description{},
stakingtypes.NewCommissionRates(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
sdkmath.NewInt(1_000_000),
)
if err != nil {
return err
}
msgServer := stakingkeeper.NewMsgServerImpl(suite.stakingKeeper)
_, err = msgServer.CreateValidator(sdk.WrapSDKContext(suite.ctx), msg)
return err
}
func (suite *DelegatorRewardsTestSuite) deliverMsgDelegate(ctx sdk.Context, delegator sdk.AccAddress, validator sdk.ValAddress, amount sdk.Coin) error {
msg := stakingtypes.NewMsgDelegate(
delegator,
validator,
amount,
)
msgServer := stakingkeeper.NewMsgServerImpl(suite.stakingKeeper)
_, err := msgServer.Delegate(sdk.WrapSDKContext(suite.ctx), msg)
return err
}
func (suite *DelegatorRewardsTestSuite) deliverMsgRedelegate(ctx sdk.Context, delegator sdk.AccAddress, sourceValidator, destinationValidator sdk.ValAddress, amount sdk.Coin) error {
msg := stakingtypes.NewMsgBeginRedelegate(
delegator,
sourceValidator,
destinationValidator,
amount,
)
msgServer := stakingkeeper.NewMsgServerImpl(suite.stakingKeeper)
_, err := msgServer.BeginRedelegate(sdk.WrapSDKContext(suite.ctx), msg)
return err
}
// given a user has a delegation to a bonded validator, when the validator starts unbonding, the user does not accumulate rewards
func (suite *DelegatorRewardsTestSuite) TestUnbondingValidatorSyncsClaim() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(suite.addrs[2], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[1]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[2]), cs(c("ukava", 1e9)))
rewardsPerSecond := cs(c("hard", 122354))
bondDenom := "ukava"
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(bondDenom, rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
blockDuration := 10 * time.Second
// Reduce the size of the validator set
stakingParams := suite.app.GetStakingKeeper().GetParams(suite.ctx)
stakingParams.MaxValidators = 2
suite.app.GetStakingKeeper().SetParams(suite.ctx, stakingParams)
// Create 3 validators
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], c(bondDenom, 10_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[1], c(bondDenom, 5_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[2], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// End the block so top validators become bonded
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(1 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Delegate to a bonded validator from the test user. This will initialize their incentive claim.
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[1], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// Start a new block to accumulate some delegation rewards for the user.
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(2 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Delegate to the unbonded validator to push it into the bonded validator set, pushing out the user's delegated validator
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[2], suite.validatorAddrs[2], c(bondDenom, 8_000_000))
suite.Require().NoError(err)
// End the block to start unbonding the user's validator
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
// but don't start the next block as it will accumulate delegator rewards and we won't be able to tell if the user's reward was synced.
// Check that the user's claim has been synced. ie rewards added, index updated
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
rewardIndexes, found := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
globalIndex, found := rewardIndexes.Get(rewardsPerSecond[0].Denom)
suite.Require().True(found)
claimIndex, found := claim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, claimIndex.RewardIndexes[0].RewardFactor)
suite.Require().Equal(
cs(c(rewardsPerSecond[0].Denom, 76471)),
claim.Reward,
)
// Run another block and check the claim is not accumulating more rewards
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(3 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{})
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, suite.addrs[0], nil, false)
// rewards are the same as before
laterClaim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().Equal(claim.Reward, laterClaim.Reward)
// claim index has been updated to latest global value
laterClaimIndex, found := laterClaim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
rewardIndexes, found = suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
globalIndex, found = rewardIndexes.Get(rewardsPerSecond[0].Denom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, laterClaimIndex.RewardIndexes[0].RewardFactor)
}
// given a user has a delegation to an unbonded validator, when the validator becomes bonded, the user starts accumulating rewards
func (suite *DelegatorRewardsTestSuite) TestBondingValidatorSyncsClaim() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(suite.addrs[2], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[1]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[2]), cs(c("ukava", 1e9)))
rewardsPerSecond := cs(c("hard", 122354))
bondDenom := "ukava"
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(bondDenom, rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
blockDuration := 10 * time.Second
// Reduce the size of the validator set
stakingParams := suite.app.GetStakingKeeper().GetParams(suite.ctx)
stakingParams.MaxValidators = 2
suite.app.GetStakingKeeper().SetParams(suite.ctx, stakingParams)
// Create 3 validators
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], c(bondDenom, 10_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[1], c(bondDenom, 5_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[2], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// End the block so top validators become bonded
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(1 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Delegate to an unbonded validator from the test user. This will initialize their incentive claim.
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[2], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// Start a new block to accumulate some delegation rewards globally.
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(2 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{})
// Delegate to the user's unbonded validator to push it into the bonded validator set
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[2], suite.validatorAddrs[2], c(bondDenom, 4_000_000))
suite.Require().NoError(err)
// End the block to bond the user's validator
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
// but don't start the next block as it will accumulate delegator rewards and we won't be able to tell if the user's reward was synced.
// Check that the user's claim has been synced. ie rewards added, index updated
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
rewardIndexes, found := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
globalIndex, found := rewardIndexes.Get(rewardsPerSecond[0].Denom)
suite.Require().True(found)
claimIndex, found := claim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, claimIndex.RewardIndexes[0].RewardFactor)
suite.Require().Equal(
sdk.Coins(nil),
claim.Reward,
)
// Run another block and check the claim is accumulating more rewards
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(3 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{})
suite.keeper.SynchronizeDelegatorRewards(suite.ctx, suite.addrs[0], nil, false)
// rewards are greater than before
laterClaim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
suite.Require().True(laterClaim.Reward.IsAllGT(claim.Reward))
// claim index has been updated to latest global value
laterClaimIndex, found := laterClaim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
rewardIndexes, found = suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
globalIndex, found = rewardIndexes.Get(rewardsPerSecond[0].Denom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, laterClaimIndex.RewardIndexes[0].RewardFactor)
}
// If a validator is slashed delegators should have their claims synced
func (suite *DelegatorRewardsTestSuite) TestSlashingValidatorSyncsClaim() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[1]), cs(c("ukava", 1e9)))
rewardsPerSecond := cs(c("hard", 122354))
bondDenom := "ukava"
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(bondDenom, rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
blockDuration := 10 * time.Second
// Reduce the size of the validator set
stakingParams := suite.app.GetStakingKeeper().GetParams(suite.ctx)
stakingParams.MaxValidators = 2
suite.app.GetStakingKeeper().SetParams(suite.ctx, stakingParams)
// Create 2 validators
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], c(bondDenom, 10_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[1], c(bondDenom, 10_000_000))
suite.Require().NoError(err)
// End the block so validators become bonded
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(1 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Delegate to a bonded validator from the test user. This will initialize their incentive claim.
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[1], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// Check that claim has been created with synced reward index but no reward coins
initialClaim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.True(found)
initialGlobalIndex, found := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.True(found)
initialClaimIndex, found := initialClaim.RewardIndexes.GetRewardIndex(bondDenom)
suite.True(found)
suite.Require().Equal(initialGlobalIndex, initialClaimIndex.RewardIndexes)
suite.True(initialClaim.Reward.Empty()) // Initial claim should not have any rewards
// Start a new block to accumulate some delegation rewards for the user.
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(2 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Fetch validator and slash them
stakingKeeper := suite.app.GetStakingKeeper()
validator, found := stakingKeeper.GetValidator(suite.ctx, suite.validatorAddrs[1])
suite.Require().True(found)
suite.Require().True(validator.GetTokens().IsPositive())
fraction := sdk.NewDecWithPrec(5, 1)
consAddr, err := validator.GetConsAddr()
suite.Require().NoError(err)
stakingKeeper.Slash(suite.ctx, consAddr, suite.ctx.BlockHeight(), 10, fraction)
// Check that the user's claim has been synced. ie rewards added, index updated
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
globalIndex, found := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
claimIndex, found := claim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, claimIndex.RewardIndexes)
// Check that rewards were added
suite.Require().Equal(
cs(c(rewardsPerSecond[0].Denom, 58264)),
claim.Reward,
)
// Check that reward factor increased from initial value
suite.True(claimIndex.RewardIndexes[0].RewardFactor.GT(initialClaimIndex.RewardIndexes[0].RewardFactor))
}
// Given a delegation to a bonded validator, when a user redelegates everything to another (bonded) validator, the user's claim is synced
func (suite *DelegatorRewardsTestSuite) TestRedelegationSyncsClaim() {
authBuilder := app.NewAuthBankGenesisBuilder().
WithSimpleAccount(suite.addrs[0], cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[0]), cs(c("ukava", 1e9))).
WithSimpleAccount(sdk.AccAddress(suite.validatorAddrs[1]), cs(c("ukava", 1e9)))
rewardsPerSecond := cs(c("hard", 122354))
bondDenom := "ukava"
incentBuilder := testutil.NewIncentiveGenesisBuilder().
WithGenesisTime(suite.genesisTime).
WithSimpleDelegatorRewardPeriod(bondDenom, rewardsPerSecond)
suite.SetupWithGenState(authBuilder, incentBuilder)
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime)
blockDuration := 10 * time.Second
// Create 2 validators
err := suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[0], c(bondDenom, 10_000_000))
suite.Require().NoError(err)
err = suite.deliverMsgCreateValidator(suite.ctx, suite.validatorAddrs[1], c(bondDenom, 5_000_000))
suite.Require().NoError(err)
// Delete genesis validator to not influence rewards
suite.app.DeleteGenesisValidator(suite.T(), suite.ctx)
// Delegatefrom the test user. This will initialize their incentive claim.
err = suite.deliverMsgDelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// Start a new block to accumulate some delegation rewards globally.
_ = suite.app.EndBlocker(suite.ctx, abci.RequestEndBlock{})
suite.ctx = suite.ctx.WithBlockTime(suite.genesisTime.Add(1 * blockDuration))
_ = suite.app.BeginBlocker(suite.ctx, abci.RequestBeginBlock{}) // height and time in header are ignored by module begin blockers
// Redelegate the user's delegation between the two validators. This should trigger hooks that sync the user's claim.
err = suite.deliverMsgRedelegate(suite.ctx, suite.addrs[0], suite.validatorAddrs[0], suite.validatorAddrs[1], c(bondDenom, 1_000_000))
suite.Require().NoError(err)
// Check that the user's claim has been synced. ie rewards added, index updated
claim, found := suite.keeper.GetDelegatorClaim(suite.ctx, suite.addrs[0])
suite.Require().True(found)
globalIndex, found := suite.keeper.GetDelegatorRewardIndexes(suite.ctx, bondDenom)
suite.Require().True(found)
claimIndex, found := claim.RewardIndexes.GetRewardIndex(bondDenom)
suite.Require().True(found)
suite.Require().Equal(globalIndex, claimIndex.RewardIndexes)
suite.Require().Equal(
cs(c(rewardsPerSecond[0].Denom, 76471)),
claim.Reward,
)
}
func TestDelegatorRewardsTestSuite(t *testing.T) {
suite.Run(t, new(DelegatorRewardsTestSuite))
}