0g-chain/x/incentive/keeper/rewards_delegator.go
drklee3 f757d7ab15
feat: upgrade to Cosmos v0.46 (#1477)
* Update cosmos-sdk to v0.45.10-kava

* Add RegisterNodeService to app

* Update cosmos proto files

* Update cosmos proto files

* Use tagged v0.45.10-kava-v0.19-0.21 cosmos version

* update x/auth/legacy to x/auth/migrations

* Delete rest packages and registration

* Remove rest from proposal handlers

* Remove legacy types referencing removed sdk types

* Remove legacy tx broadcast handler

* Update incentive staking hooks to return error

* Remove grpc replace directive, use new grpc version

* Fix storetypes import

* Update tally_handler with updated gov types

* Delete legacy types

* Use new gov default config

* Update RegisterTendermintService params

Signed-off-by: drklee3 <derrick@dlee.dev>

* Replace sdk.StoreKey with storetypes.StoreKey

* Replace sdk.Int#ToDec with sdk.NewDecFromInt

* Replace sdk.NewUintFromBigInt with sdkmath.NewUintFromBigInt

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update most intances of govtypes to govv1beta1

* Unpack coin slice for Coins#Sub and Coins#SafeSub

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update committee gov codec registration

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update migrate utils period_vesting Coins#Sub

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Coin#Sub in community proposal handler

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Coin#Sub, FundModuleAccount/FundAccount in banktestutil

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update community, earn, kavadist proposal gov registration

* Update evm cli client EthSecp256k1Type check

* AccAddressFromHex to AccAddressFromHexUnsafe

* Add mint DefaultInflationCalculationFn to earn test

* Update use of removed staking.NewHandler

* Rename FlagIAVLFastNode -> FlagDisableIAVLFastNode

* cmd: Update new snapshot app option

Signed-off-by: drklee3 <derrick@dlee.dev>

* cmd: Add tendermint default config, use cosmos rpc status command

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ethermint import path

github.com/tharsis/ethermint -> github.com/evmos/ethermint

* Upgrade ibc-go to v6

* Update proto dependencies

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update Tally handler test with new gov types

* Update helpers.GenTx -> helpers.GenSignedMockTx

* Update evmkeeper.NewKeeper params

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ante authz, tests

* Add feemarket transient key, pass subspaces to evm/feemarket keepers

* Update new ante decorators

* Add new addModuleInitFlags to server commands

* Pass codec to keyring.New in genaccounts

* Pass codec to client keys add

* Add SendCoins to evmutil bank_keeper

* Use github.com/cosmos/iavl@v0.19.5

* Add ante HandlerOptions

* Add unimplemented SendCoins to evmutil bank keeper

Ethermint x/evm does not use this method

* Update init-new-chain script to disable post-london blocks

* Modify test genesis states to append 1 validator

* Update tally handler test to use string values

* Prevent querying balance for empty sdk.AccAddress in auction bidding test

* Set default bond denom to ukava

* Remove overwritten bank genesis total supply in committee proposal test

Signed-off-by: drklee3 <derrick@dlee.dev>

* Use ukava for testing staked balance

* Disable minting in community proposal handler test

Previously stake denom is used, which resulted in 0 minted coins

* Update hard APYToSPY test expected value

Increased iterations in sdk.ApproxRoot, updated closer to real value

* Fix NewDecCoinsFromCoins bug in incentive collectDerivativeStakingRewards

* Allow bkava earn incentive test values to match within small margin for rounding

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update invalid denom in issuance message coin validation

Colons are now valid in denoms

Signed-off-by: drklee3 <derrick@dlee.dev>

* Remove genesis validator in incentive delegation tests

* Update pricefeed market test for invalid denom

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update incentive delegator rewards test without genesis validator

Signed-off-by: drklee3 <derrick@dlee.dev>

* Add validator to export test

* Clear bank state in minting tests

Signed-off-by: drklee3 <derrick@dlee.dev>

* Remove validator for no stake tally test

Signed-off-by: drklee3 <derrick@dlee.dev>

* Clear incentive state before InitGenesis in incentive genesis export test

* Update swagger

Signed-off-by: drklee3 <derrick@dlee.dev>

* Update ethermint version to match replaced version

* Remove legacy swagger

* Add NewEthEmitEventDecorator

* Remove redundant func for AddModuleInitFlags

* Remove unused addBankBalanceForAddress func

* Add SetIAVLLazyLoading option to app cmd

* Use legacy.RegisterAminoMsg for committee msg concrete registration

* Remove unnecessary Amino field

* Add evm_util bankkeeper SendCoins comment

* Update test method ResetBankState to DeleteGenesisValidatorCoins to be more clear

* Validate incentive params.RewardsPerSecond to be non-zero

* Validate swap pools to disallow colons in token denoms

* Register all legacy amino types on gov modulecdc

* Remove redundant Comittee interface registration

* Pin goleveldb to v1.0.1-0.20210819022825-2ae1ddf74ef7

Causes failed to load state at height errors

* Update ethermint to new pinned version with minGasPrices parse error fix

* Update cosmos fork dependcy commit to include reverted account constructor patch

* Update Cosmos v0.46.11 and cometbft v0.34.27

* Bump minimum go version to 1.19

* Update tendermint proto

* Update internal testnet genesis

* Move NewCanTransferDecorator before NewEthGasConsumeDecorator

* Add hard borrow store tests (#1514)

* add store tests for Borrow type

* refactor Deposit tests to match

* Fix old bep3 tests (#1515)

* Update Ethermint to 1b17445 to fix duplicate proto registration

* Add custom status command to use snake_case and stdout

* Add SetInflation helper

* Reduce ambiguity with evm CanSignEthTx error

* Remove init genesis validator claim in test

* Add disabled evmante.NewMinGasPriceDecorator with x/feemarket note

* chore: use tagged versions for Cosmos and Ethermint forks

* update kvtool & increase wait for ibc transfer test

---------

Signed-off-by: drklee3 <derrick@dlee.dev>
Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com>
Co-authored-by: Robert Pirtle <astropirtle@gmail.com>
2023-04-03 20:08:45 -04:00

209 lines
8.5 KiB
Go

package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/kava-labs/kava/x/incentive/types"
)
// AccumulateDelegatorRewards calculates new rewards to distribute this block and updates the global indexes to reflect this.
// The provided rewardPeriod must be valid to avoid panics in calculating time durations.
func (k Keeper) AccumulateDelegatorRewards(ctx sdk.Context, rewardPeriod types.MultiRewardPeriod) {
previousAccrualTime, found := k.GetPreviousDelegatorRewardAccrualTime(ctx, rewardPeriod.CollateralType)
if !found {
previousAccrualTime = ctx.BlockTime()
}
indexes, found := k.GetDelegatorRewardIndexes(ctx, rewardPeriod.CollateralType)
if !found {
indexes = types.RewardIndexes{}
}
acc := types.NewAccumulator(previousAccrualTime, indexes)
totalSource := k.getDelegatorTotalSourceShares(ctx, rewardPeriod.CollateralType)
acc.Accumulate(rewardPeriod, totalSource, ctx.BlockTime())
k.SetPreviousDelegatorRewardAccrualTime(ctx, rewardPeriod.CollateralType, acc.PreviousAccumulationTime)
if len(acc.Indexes) > 0 {
// the store panics when setting empty or nil indexes
k.SetDelegatorRewardIndexes(ctx, rewardPeriod.CollateralType, acc.Indexes)
}
}
// getDelegatorTotalSourceShares fetches the sum of all source shares for a delegator reward.
// In the case of delegation, this is the total tokens staked to bonded validators.
func (k Keeper) getDelegatorTotalSourceShares(ctx sdk.Context, denom string) sdk.Dec {
totalBonded := k.stakingKeeper.TotalBondedTokens(ctx)
return sdk.NewDecFromInt(totalBonded)
}
// InitializeDelegatorReward initializes the reward index of a delegator claim
func (k Keeper) InitializeDelegatorReward(ctx sdk.Context, delegator sdk.AccAddress) {
claim, found := k.GetDelegatorClaim(ctx, delegator)
if !found {
claim = types.NewDelegatorClaim(delegator, sdk.Coins{}, nil)
} else {
k.SynchronizeDelegatorRewards(ctx, delegator, nil, false)
claim, _ = k.GetDelegatorClaim(ctx, delegator)
}
var rewardIndexes types.MultiRewardIndexes
globalRewardIndexes, found := k.GetDelegatorRewardIndexes(ctx, types.BondDenom)
if !found {
globalRewardIndexes = types.RewardIndexes{}
}
rewardIndexes = rewardIndexes.With(types.BondDenom, globalRewardIndexes)
claim.RewardIndexes = rewardIndexes
k.SetDelegatorClaim(ctx, claim)
}
// SynchronizeDelegatorClaim is a wrapper around SynchronizeDelegatorRewards that returns the synced claim
func (k Keeper) SynchronizeDelegatorClaim(ctx sdk.Context, claim types.DelegatorClaim) (types.DelegatorClaim, error) {
k.SynchronizeDelegatorRewards(ctx, claim.Owner, nil, false)
claim, found := k.GetDelegatorClaim(ctx, claim.Owner)
if !found {
return claim, types.ErrClaimNotFound
}
return claim, nil
}
// SynchronizeDelegatorRewards updates the claim object by adding any accumulated rewards, and setting the reward indexes to the global values.
// valAddr and shouldIncludeValidator are used to ignore or include delegations to a particular validator when summing up the total delegation.
// Normally only delegations to Bonded validators are included in the total. This is needed as staking hooks are sometimes called on the wrong
// side of a validator's state update (from this module's perspective).
func (k Keeper) SynchronizeDelegatorRewards(ctx sdk.Context, delegator sdk.AccAddress, valAddr sdk.ValAddress, shouldIncludeValidator bool) {
claim, found := k.GetDelegatorClaim(ctx, delegator)
if !found {
return
}
globalRewardIndexes, found := k.GetDelegatorRewardIndexes(ctx, types.BondDenom)
if !found {
// The global factor is only not found if
// - the bond denom has not started accumulating rewards yet (either there is no reward specified in params, or the reward start time hasn't been hit)
// - OR it was wrongly deleted from state (factors should never be removed while unsynced claims exist)
// If not found we could either skip this sync, or assume the global factor is zero.
// Skipping will avoid storing unnecessary factors in the claim for non rewarded denoms.
// And in the event a global factor is wrongly deleted, it will avoid this function panicking when calculating rewards.
return
}
userRewardIndexes, found := claim.RewardIndexes.Get(types.BondDenom)
if !found {
// Normally the reward indexes should always be found.
// However if there were no delegator rewards (ie no reward period in params) then a reward period is added, existing claims will not have the factor.
// So given the reward period was just added, assume the starting value for any global reward indexes, which is an empty slice.
userRewardIndexes = types.RewardIndexes{}
}
totalDelegated := k.GetTotalDelegated(ctx, delegator, valAddr, shouldIncludeValidator)
rewardsEarned, err := k.CalculateRewards(userRewardIndexes, globalRewardIndexes, totalDelegated)
if err != nil {
// Global reward factors should never decrease, as it would lead to a negative update to claim.Rewards.
// This panics if a global reward factor decreases or disappears between the old and new indexes.
panic(fmt.Sprintf("corrupted global reward indexes found: %v", err))
}
claim.Reward = claim.Reward.Add(rewardsEarned...)
claim.RewardIndexes = claim.RewardIndexes.With(types.BondDenom, globalRewardIndexes)
k.SetDelegatorClaim(ctx, claim)
}
func (k Keeper) GetTotalDelegated(ctx sdk.Context, delegator sdk.AccAddress, valAddr sdk.ValAddress, shouldIncludeValidator bool) sdk.Dec {
totalDelegated := sdk.ZeroDec()
delegations := k.stakingKeeper.GetDelegatorDelegations(ctx, delegator, 200)
for _, delegation := range delegations {
validator, found := k.stakingKeeper.GetValidator(ctx, delegation.GetValidatorAddr())
if !found {
continue
}
if validator.GetOperator().Equals(valAddr) {
if shouldIncludeValidator {
// do nothing, so the validator is included regardless of bonded status
} else {
// skip this validator
continue
}
} else {
// skip any not bonded validator
if validator.GetStatus() != stakingtypes.Bonded {
continue
}
}
if validator.GetTokens().IsZero() {
continue
}
delegatedTokens := validator.TokensFromShares(delegation.GetShares())
if delegatedTokens.IsNegative() {
continue
}
totalDelegated = totalDelegated.Add(delegatedTokens)
}
return totalDelegated
}
// SimulateDelegatorSynchronization calculates a user's outstanding delegator rewards by simulating reward synchronization
func (k Keeper) SimulateDelegatorSynchronization(ctx sdk.Context, claim types.DelegatorClaim) types.DelegatorClaim {
for _, ri := range claim.RewardIndexes {
// For each Delegator reward index (there's only one: the bond denom 'ukava')
globalRewardIndexes, foundGlobalRewardIndexes := k.GetDelegatorRewardIndexes(ctx, ri.CollateralType)
if !foundGlobalRewardIndexes {
continue
}
userRewardIndexes, foundUserRewardIndexes := claim.RewardIndexes.GetRewardIndex(ri.CollateralType)
if !foundUserRewardIndexes {
continue
}
userRewardIndexIndex, foundUserRewardIndexIndex := claim.RewardIndexes.GetRewardIndexIndex(ri.CollateralType)
if !foundUserRewardIndexIndex {
continue
}
amtDelegated := k.GetTotalDelegated(ctx, claim.GetOwner(), sdk.ValAddress(claim.Owner.String()), true)
for _, globalRewardIndex := range globalRewardIndexes {
userRewardIndex, foundUserRewardIndex := userRewardIndexes.RewardIndexes.GetRewardIndex(globalRewardIndex.CollateralType)
if !foundUserRewardIndex {
userRewardIndex = types.NewRewardIndex(globalRewardIndex.CollateralType, sdk.ZeroDec())
userRewardIndexes.RewardIndexes = append(userRewardIndexes.RewardIndexes, userRewardIndex)
claim.RewardIndexes[userRewardIndexIndex].RewardIndexes = append(claim.RewardIndexes[userRewardIndexIndex].RewardIndexes, userRewardIndex)
}
globalRewardFactor := globalRewardIndex.RewardFactor
userRewardFactor := userRewardIndex.RewardFactor
rewardsAccumulatedFactor := globalRewardFactor.Sub(userRewardFactor)
if rewardsAccumulatedFactor.IsZero() {
continue
}
rewardsEarned := rewardsAccumulatedFactor.Mul(amtDelegated).RoundInt()
if rewardsEarned.IsZero() || rewardsEarned.IsNegative() {
continue
}
factorIndex, foundFactorIndex := userRewardIndexes.RewardIndexes.GetFactorIndex(globalRewardIndex.CollateralType)
if !foundFactorIndex {
continue
}
claim.RewardIndexes[userRewardIndexIndex].RewardIndexes[factorIndex].RewardFactor = globalRewardIndex.RewardFactor
newRewardsCoin := sdk.NewCoin(userRewardIndex.CollateralType, rewardsEarned)
claim.Reward = claim.Reward.Add(newRewardsCoin)
}
}
return claim
}