    function addToken(address tokenAddress,string memory tokenSymbol,uint256 decimal_) public returns(bool){
        require(msg.sender == feeAddress && tokendetails[tokenAddress].status==false);
        tokendetails[tokenAddress].tokenSymbol=tokenSymbol;
        tokendetails[tokenAddress].decimals=decimal_;
        tokendetails[tokenAddress].status=true;
        return true;
    }