105 lines
3.3 KiB
Go
105 lines
3.3 KiB
Go
package keeper
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import (
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// Wrapper struct
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type Hooks struct {
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k Keeper
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}
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var _ sdk.StakingHooks = Hooks{}
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// Create new distribution hooks
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func (k Keeper) Hooks() Hooks { return Hooks{k} }
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// nolint
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func (h Hooks) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
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val := h.k.stakingKeeper.Validator(ctx, valAddr)
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h.k.initializeValidator(ctx, val)
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}
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func (h Hooks) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
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}
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func (h Hooks) AfterValidatorRemoved(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
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// fetch outstanding
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outstanding := h.k.GetValidatorOutstandingRewards(ctx, valAddr)
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// force-withdraw commission
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commission := h.k.GetValidatorAccumulatedCommission(ctx, valAddr)
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if !commission.IsZero() {
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// subtract from outstanding
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outstanding = outstanding.Sub(commission)
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// split into integral & remainder
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coins, remainder := commission.TruncateDecimal()
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// remainder to community pool
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feePool := h.k.GetFeePool(ctx)
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feePool.CommunityPool = feePool.CommunityPool.Add(remainder)
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h.k.SetFeePool(ctx, feePool)
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// add to validator account
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if !coins.IsZero() {
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accAddr := sdk.AccAddress(valAddr)
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withdrawAddr := h.k.GetDelegatorWithdrawAddr(ctx, accAddr)
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if _, _, err := h.k.bankKeeper.AddCoins(ctx, withdrawAddr, coins); err != nil {
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panic(err)
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}
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}
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}
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// add outstanding to community pool
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feePool := h.k.GetFeePool(ctx)
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feePool.CommunityPool = feePool.CommunityPool.Add(outstanding)
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h.k.SetFeePool(ctx, feePool)
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// delete outstanding
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h.k.DeleteValidatorOutstandingRewards(ctx, valAddr)
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// remove commission record
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h.k.DeleteValidatorAccumulatedCommission(ctx, valAddr)
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// clear slashes
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h.k.DeleteValidatorSlashEvents(ctx, valAddr)
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// clear historical rewards
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h.k.DeleteValidatorHistoricalRewards(ctx, valAddr)
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// clear current rewards
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h.k.DeleteValidatorCurrentRewards(ctx, valAddr)
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}
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func (h Hooks) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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val := h.k.stakingKeeper.Validator(ctx, valAddr)
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// increment period
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h.k.incrementValidatorPeriod(ctx, val)
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}
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func (h Hooks) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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val := h.k.stakingKeeper.Validator(ctx, valAddr)
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del := h.k.stakingKeeper.Delegation(ctx, delAddr, valAddr)
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// withdraw delegation rewards (which also increments period)
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if err := h.k.withdrawDelegationRewards(ctx, val, del); err != nil {
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panic(err)
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}
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}
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func (h Hooks) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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// nothing needed here since BeforeDelegationSharesModified will always also be called
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}
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func (h Hooks) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
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// create new delegation period record
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h.k.initializeDelegation(ctx, valAddr, delAddr)
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}
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func (h Hooks) AfterValidatorBeginUnbonding(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
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}
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func (h Hooks) AfterValidatorBonded(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
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}
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func (h Hooks) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) {
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// record the slash event
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h.k.updateValidatorSlashFraction(ctx, valAddr, fraction)
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}
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