insrVault.setClaimTVL(epochEnd, 0);
...
        else {
            entitledAmount = amount.divWadDown(idFinalTVL[id]).mulDivDown(
                idClaimTVL[id],
                1 ether
            );
        }
         lastUpdateTime = block.timestamp;
         periodFinish = block.timestamp.add(rewardsDuration);
+       require(periodFinish <= id);
