function checkClaimEntitlement() public view returns(uint) {
        for (uint i = 0; i < claimants.length; i++) {
            if(msg.sender == claimants[i].claimantAddress) {
                require(claimants[i].claimantHasClaimed == false);
                return claimants[i].claimantAmount;
            }
            
        }  
        return 0;
    }