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hooks.go
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hooks.go
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package keeper
import (
sdk "github.com/cosmos/cosmos-sdk/types"
)
// Wrapper struct
type Hooks struct {
k Keeper
}
var _ sdk.StakingHooks = Hooks{}
// Create new distribution hooks
func (k Keeper) Hooks() Hooks { return Hooks{k} }
// nolint
func (h Hooks) AfterValidatorCreated(ctx sdk.Context, valAddr sdk.ValAddress) {
val := h.k.stakingKeeper.Validator(ctx, valAddr)
h.k.initializeValidator(ctx, val)
}
func (h Hooks) BeforeValidatorModified(ctx sdk.Context, valAddr sdk.ValAddress) {
val := h.k.stakingKeeper.Validator(ctx, valAddr)
// increment period
h.k.incrementValidatorPeriod(ctx, val)
}
func (h Hooks) AfterValidatorRemoved(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
}
func (h Hooks) BeforeDelegationCreated(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
val := h.k.stakingKeeper.Validator(ctx, valAddr)
// increment period
h.k.incrementValidatorPeriod(ctx, val)
}
func (h Hooks) BeforeDelegationSharesModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
val := h.k.stakingKeeper.Validator(ctx, valAddr)
del := h.k.stakingKeeper.Delegation(ctx, delAddr, valAddr)
// withdraw delegation rewards (which also increments period)
if err := h.k.withdrawDelegationRewards(ctx, val, del); err != nil {
panic(err)
}
}
func (h Hooks) BeforeDelegationRemoved(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
// nothing needed here since OnDelegationSharesModified will always also be called
}
func (h Hooks) AfterDelegationModified(ctx sdk.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) {
// create new delegation period record
h.k.initializeDelegation(ctx, valAddr, delAddr)
}
func (h Hooks) AfterValidatorBeginUnbonding(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
}
func (h Hooks) AfterValidatorBonded(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
}
func (h Hooks) AfterValidatorPowerDidChange(ctx sdk.Context, _ sdk.ConsAddress, valAddr sdk.ValAddress) {
}
func (h Hooks) BeforeValidatorSlashed(ctx sdk.Context, valAddr sdk.ValAddress, fraction sdk.Dec) {
// record the slash event
h.k.updateValidatorSlashFraction(ctx, valAddr, fraction)
}