fix heartbeats once and for all (#1016)

src/client/websocket/packets/WebSocketPacketManager.js

@@ -84,6 +84,7 @@ class WebSocketPacketManager {
 
     if (packet.op === Constants.OPCodes.HEARTBEAT_ACK) {
       this.ws.client._pong(this.ws.client._pingTimestamp);
+      this.ws.lastHeartbeatAck = true;
       this.ws.client.emit('debug', 'Heartbeat acknowledged');
     }
 

src/client/websocket/packets/handlers/GuildMembersChunk.js

@@ -16,6 +16,8 @@ class GuildMembersChunkHandler extends AbstractHandler {
 
     guild._checkChunks();
     client.emit(Constants.Events.GUILD_MEMBERS_CHUNK, members);
+
+    client.ws.lastHeartbeatAck = true;
   }
 }
 

src/client/websocket/packets/handlers/Ready.js

@@ -7,7 +7,7 @@ class ReadyHandler extends AbstractHandler {
     const client = this.packetManager.client;
     const data = packet.d;
 
-    client.manager.ping();
+    client.ws.heartbeat();
 
     const clientUser = new ClientUser(client, data.user);
     client.user = clientUser;