From a2b2c7960584783fd0322879e44f00a4abb9d48c Mon Sep 17 00:00:00 2001
From: Skillz <gankstarsleague@gmail.com>
Date: Sun, 9 Feb 2020 14:20:39 -0500
Subject: [PATCH] update sequence number and keep gateway alive

---
 module/Client.ts    |  6 +++++-
 module/websocket.ts | 12 +++++++-----
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/module/Client.ts b/module/Client.ts
index 6a60512a7..e902d4f6f 100644
--- a/module/Client.ts
+++ b/module/Client.ts
@@ -13,7 +13,7 @@ import {
 // import { BufReader } from "https://deno.land/std/io/bufio.ts"
 // import { TextProtoReader } from "https://deno.land/std/textproto/mod.ts"
 import { blue, green, red, yellow } from "https://deno.land/std/fmt/colors.ts"
-import { keepDiscordWebsocketAlive } from "./websocket.ts";
+import { keepDiscordWebsocketAlive, updatePreviousSequenceNumber } from "./websocket.ts";
 
 class Client {
   /** The bot's token. This should never be used by end users. It is meant to be used internally to make requests to the Discord API. */
@@ -65,6 +65,10 @@ class Client {
     switch (data.op) {
       case 10: // Initial Heartbeat
         keepDiscordWebsocketAlive(socket, (data.d as DiscordHeartbeatPayload).heartbeat_interval, data.s)
+        break
+      case 11:
+        updatePreviousSequenceNumber(data.s)
+        break
     }
   }
 
diff --git a/module/websocket.ts b/module/websocket.ts
index c1fa463a2..b35855f07 100644
--- a/module/websocket.ts
+++ b/module/websocket.ts
@@ -1,15 +1,17 @@
 import { WebSocket } from "https://deno.land/std/ws/mod.ts";
 
-export const keepDiscordWebsocketAlive = (socket: WebSocket, millesecondsInterval: number, payload: number | null = null) => {
-	let previousSequenceNumber = payload
+let previousSequenceNumber: number | null = null
 
+export const keepDiscordWebsocketAlive = (socket: WebSocket, millesecondsInterval: number, payload: number | null = null) => {
 	setInterval(() => {
-		const response = await socket.send(JSON.stringify({
+		socket.send(JSON.stringify({
 			op: 1,
 			d: previousSequenceNumber
 		}))
 
-		console.log(response)
-
 	}, millesecondsInterval)
 }
+
+export const updatePreviousSequenceNumber = (sequence: number | null = null) => {
+  previousSequenceNumber = sequence
+}