Coinflip command is ready to use with MySQL

commands/coinflip.js

-const Discord = require('discord.js');
-const db = require('quick.db');
-
-exports.run = async(client, message, args) => {
-    let number = args[0];
-    let bal = await db.get(`Balance_${message.author.id}`);
-    if (number > bal || number <= 0|| !bal) return message.channel.send(`Your balance is under the value you entered.`)
+exports.run = async(client, message, args, connection) => {
+    let number = parseInt(args[0]);
+        const cash = await new Promise((resolve, reject) => {
+            connection.query(`SELECT cash FROM cashes WHERE guildid ='${message.guild.id}' AND userid ='${message.author.id}'`, function (err, result) {
+                if (err)
+                    reject(err);
+                resolve(result);
+            });
+        });
+        var money = "";
+        if(cash.length < 1) {
+            money = 0;
+            }
+        else {
+            money = cash[0].cash
+        }
+    if (number > money || number <= 0|| !money) return message.channel.send(`Your balance is under the value you entered.`)
     let cfNumber;
     if (!number) return message.channel.send('Please specify an amout to use.');
     if (number > 50000 || number == "all") {
-        if (50000 > bal){
-            cfNumber = bal;
+        if (50000 > money){
+            cfNumber = money;
         }else{
             cfNumber=50000;
         }
@@ -21,16 +31,23 @@ exports.run = async(client, message, args) => {
 
     msg = await message.channel.send('<a:coinflip:799330175983943710>  | Flipping...');
 
+    var sql = "";
     setTimeout( async function() {
 
         if(Math.random() < 0.5 == true){
-            cfNumber = cfNumber;
-            await db.add(`Balance_${message.author.id}`, cfNumber);
+            cfNumber = parseInt(cfNumber); 
+            sql = `UPDATE cashes SET cash ='${parseInt(cfNumber) + parseInt(money)}'`
+            connection.query(sql, function (err, result) {
+                if (err) throw err;
+            })
             cfNumber = numberWithCommas(cfNumber*2);
             msg.edit(`:coin: | You won ${cfNumber} <:coin:799330884636508210>`);
             
         }else{
-            await db.subtract(`Balance_${message.author.id}`, cfNumber);
+            sql = `UPDATE cashes SET cash ='${parseInt(cfNumber) - parseInt(money)}'`
+            connection.query(sql, function (err, result) {
+                if (err) throw err;
+            })
             cfNumber = numberWithCommas(cfNumber);
             msg.edit(`:coin: | You lost ${cfNumber} <:coin:799330884636508210>`);