From 1340279cdb984972f20f709275874fd3bafeadc5 Mon Sep 17 00:00:00 2001
From: Adhiraj <adhirajsingh1001@gmail.com>
Date: Thu, 3 Sep 2020 22:58:27 +0530
Subject: [PATCH] added pong event

---
 src/WAConnection/3.Connect.ts | 1 +
 src/WAConnection/4.Events.ts  | 3 +++
 src/WAConnection/Constants.ts | 3 ++-
 3 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/WAConnection/3.Connect.ts b/src/WAConnection/3.Connect.ts
index 223ba34..aa5cde3 100644
--- a/src/WAConnection/3.Connect.ts
+++ b/src/WAConnection/3.Connect.ts
@@ -264,6 +264,7 @@ export class WAConnection extends Base {
             // when the first character in the message is an '!', the server is updating the last seen
             const timestamp = message.slice(1, message.length).toString ('utf-8')
             this.lastSeen = new Date(parseInt(timestamp))
+            this.emit ('received-pong')
         } else {
             const decrypted = Utils.decryptWA (message, this.authInfo?.macKey, this.authInfo?.encKey, new Decoder())
             if (!decrypted) return
diff --git a/src/WAConnection/4.Events.ts b/src/WAConnection/4.Events.ts
index b7acc31..91f5929 100644
--- a/src/WAConnection/4.Events.ts
+++ b/src/WAConnection/4.Events.ts
@@ -324,6 +324,9 @@ export class WAConnection extends Base {
     on (event: 'group-settings-update', listener: (update: {jid: string, restrict?: string, announce?: string, actor?: string}) => void): this
     /** when the group description is updated */
     on (event: 'group-description-update', listener: (update: {jid: string, description?: string, actor?: string}) => void): this
+    /** when WA sends back a pong */
+    on (event: 'received-pong', listener: () => void): this
+
 
     on (event: BaileysEvent, listener: (...args: any[]) => void) { return super.on (event, listener) }
     emit (event: BaileysEvent, ...args: any[]) { return super.emit (event, ...args) }
diff --git a/src/WAConnection/Constants.ts b/src/WAConnection/Constants.ts
index f3bfb6c..d27d1e4 100644
--- a/src/WAConnection/Constants.ts
+++ b/src/WAConnection/Constants.ts
@@ -368,4 +368,5 @@ export type BaileysEvent =
     'group-participants-promote' |
     'group-participants-demote' |
     'group-settings-update' |
-    'group-description-update'
\ No newline at end of file
+    'group-description-update' |
+    'received-pong'
\ No newline at end of file