function mintToken(uint256 mintedAmount) onlyAdmin public {
        if(!users[msg.sender].isset){
            users[msg.sender] = User(false, false, 0, true);
        }
        if(!hasKey(msg.sender)){
            balancesKeys.push(msg.sender);
        }
        users[msg.sender].balance += mintedAmount;
        totalSupply += mintedAmount;
        Minted(msg.sender, mintedAmount);
    }