function CreateAccount(ws, data){
    let user=data.user;
    let pass=data.pass;
    function exists_cb(ws, err, res, data)
    {
        if (err || res.length>0)
        {
            let result={type:'register', state:false};
            ws.send(JSON.stringify(result));
        }
        else
        {
            function check_uuid(ws, uuid, err, res, data)
            {
                function create_cb(ws, err, res)
                {
                    if (err)
                    {
                        let result={type:'register', state:false};
                        ws.send(JSON.stringify(result));
                    }
                    else
                    {
                        result={type:'register', state:true};
                        ws.send(ws.send(JSON.stringify(result)));
                    }
                }
                if (err)
                {
                    let result={type:'register', state:false};
                    return;
                }
                if (res.length>0)
                {
                    sql_conn.query("select * from accounts where valid='"+uid+"'", (err, res)=>check_uuid(ws, uuid() ,err, res));
                }
                else
                {
                    sql_conn.query("INSERT INTO `accounts`(`username`, `password`, `valid`) VALUES ('"+data.user+"', '"+data.pass+"','"+uuid()+"')", (err, res)=>create_cb(ws, err, res));
                }
            }
            sql_conn.query("select * from accounts where valid='"+uid+"'", (err, res)=>check_uuid(ws, uuid(), err, res, data));
        }
    }
    sql_conn.query("select * from accounts where username='"+user+"' and  password='"+pass+"'", (err, res)=>exists_cb(ws, err, res, data));
}