function awardReferalBonus() external {
        
        require(referals.length > 0);
        address recipient = referals[referals.length - 1];
        uint8[14] memory newCard = generateRandomCard(uint32(storageContract.totalSupply() * now));
        newCard[13] = 1; 
        
        delete referals[referals.length - 1];
        referals.length--;
        storageContract.mintCard(recipient, newCard);
    }