State compatible epoch speedup from v18 (backport #6161) (#6235)

Co-authored-by: Roman <[email protected]>

x/incentives/keeper/distribute.go

@@ -381,6 +381,22 @@ func (k Keeper) distributeInternal(
 			return nil, nil
 		}
 
+		// In this case, remove redundant cases.
+		// Namely: gauge empty OR gauge coins undistributable.
+		if remainCoins.Empty() {
+			ctx.Logger().Debug(fmt.Sprintf("gauge debug, this gauge is empty, why is it being ran %d. Balancer code", gauge.Id))
+			err := k.updateGaugePostDistribute(ctx, gauge, totalDistrCoins)
+			return totalDistrCoins, err
+		}
+
+		// Remove some spam gauges, is state compatible.
+		// If they're to pool 1 they can't distr at this small of a quantity.
+		if remainCoins.Len() == 1 && remainCoins[0].Amount.LTE(sdk.NewInt(10)) && gauge.DistributeTo.Denom == "gamm/pool/1" && remainCoins[0].Denom != "uosmo" {
+			ctx.Logger().Debug(fmt.Sprintf("gauge debug, this gauge is perceived spam, skipping %d", gauge.Id))
+			err := k.updateGaugePostDistribute(ctx, gauge, totalDistrCoins)
+			return totalDistrCoins, err
+		}
+
 		for _, lock := range locks {
 			distrCoins := sdk.Coins{}
 			ctx.Logger().Debug("distributeInternal, distribute to lock", "module", types.ModuleName, "gaugeId", gauge.Id, "lockId", lock.ID, "remainCons", remainCoins, "height", ctx.BlockHeight())