From f5fcaa36f3c4898dcc0f7f8c6e1f66e7005576ab Mon Sep 17 00:00:00 2001
From: Adhiraj Singh <adhirajsingh1001@gmail.com>
Date: Thu, 25 Nov 2021 13:52:18 +0530
Subject: [PATCH] feat: (hopefully) correctly implement account timestamp sync

---
 src/Socket/chats.ts | 11 ++++++++---
 src/Types/Auth.ts   |  2 ++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/Socket/chats.ts b/src/Socket/chats.ts
index 684c631..2608efd 100644
--- a/src/Socket/chats.ts
+++ b/src/Socket/chats.ts
@@ -472,18 +472,23 @@ export const makeChatsSocket = (config: SocketConfig) => {
     ws.on('CB:presence', handlePresenceUpdate)
     ws.on('CB:chatstate', handlePresenceUpdate)
 
-    /*ws.on('CB:ib,,dirty', async(node: BinaryNode) => {
+    ws.on('CB:ib,,dirty', async(node: BinaryNode) => {
         const { attrs } = getBinaryNodeChild(node, 'dirty')
         const type = attrs.type
         switch(type) {
             case 'account_sync':
-                await updateAccountSyncTimestamp(attrs.timestamp)
+                let { lastAccountSyncTimestamp } = authState.creds
+                if(lastAccountSyncTimestamp) {
+                    await updateAccountSyncTimestamp(lastAccountSyncTimestamp)
+                }
+                lastAccountSyncTimestamp = +attrs.timestamp
+                ev.emit('creds.update', { lastAccountSyncTimestamp })                
             break
             default:
                 logger.info({ node }, `received unknown sync`)
             break
         }
-    })*/
+    })
 
     ws.on('CB:notification,type:server_sync', (node: BinaryNode) => {
         const update = getBinaryNodeChild(node, 'collection')
diff --git a/src/Types/Auth.ts b/src/Types/Auth.ts
index 80fd367..7a3e749 100644
--- a/src/Types/Auth.ts
+++ b/src/Types/Auth.ts
@@ -39,6 +39,8 @@ export type AuthenticationCreds = SignalCreds & {
     firstUnuploadedPreKeyId: number
     serverHasPreKeys: boolean
     nextPreKeyId: number
+
+    lastAccountSyncTimestamp?: number
 }
 
 type Awaitable<T> = T | Promise<T>