feat: move validator update to hourly epoch

app/app.go

@@ -589,6 +589,7 @@ func NewpStakeApp(
 	app.EpochsKeeper.SetHooks(
 		epochstypes.NewMultiEpochHooks(
 			app.LiquidStakeIBCKeeper.NewEpochHooks(),
+			app.LiquidStakeKeeper.EpochHooks(),
 			app.RatesyncKeeper.EpochHooks(),
 		),
 	)

x/liquidstake/keeper/hooks.go

@@ -0,0 +1,37 @@
+package keeper
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	epochstypes "github.com/persistenceOne/persistence-sdk/v2/x/epochs/types"
+
+	liquidstake "github.com/persistenceOne/pstake-native/v2/x/liquidstake/types"
+)
+
+type EpochHooks struct {
+	k Keeper
+}
+
+var _ epochstypes.EpochHooks = EpochHooks{}
+
+func (k Keeper) EpochHooks() EpochHooks {
+	return EpochHooks{k}
+}
+
+func (h EpochHooks) BeforeEpochStart(ctx sdk.Context, epochIdentifier string, epochNumber int64) error {
+	return h.k.BeforeEpochStart(ctx, epochIdentifier, epochNumber)
+}
+
+func (h EpochHooks) AfterEpochEnd(_ sdk.Context, _ string, _ int64) error {
+	// Nothing to do
+	return nil
+}
+
+func (k Keeper) BeforeEpochStart(ctx sdk.Context, epochIdentifier string, epochNumber int64) error {
+
+	// Update the liquid validator set at the start of each epoch
+	if epochIdentifier == liquidstake.AutocompoundEpoch {
+		k.AutocompoundStakingRewards(ctx, liquidstake.GetWhitelistedValsMap(k.GetParams(ctx).WhitelistedValidators))
+	}
+
+	return nil
+}

x/liquidstake/keeper/rebalancing.go

@@ -220,8 +220,6 @@ func (k Keeper) UpdateLiquidValidatorSet(ctx sdk.Context) (redelegations []types
 		}
 	}
 
-	k.AutocompoundStakingRewards(ctx, whitelistedValsMap)
-
 	return redelegations
 }
 

x/liquidstake/types/keys.go

@@ -18,6 +18,9 @@ const (
 
 	// QuerierRoute is the querier route for the liquidstake module
 	QuerierRoute = ModuleName
+
+	// Epoch identifiers
+	AutocompoundEpoch = "hour"
 )
 
 var (