From b8464d36651347a71260faa936566049cf4b56a6 Mon Sep 17 00:00:00 2001
From: devlikeapro <155617407+devlikepro@users.noreply.github.com>
Date: Wed, 18 Jun 2025 18:08:09 +0700
Subject: [PATCH] Add lid to Contact - contact sync, history sync, group
 participants (#1472)

---
 src/Socket/groups.ts       |  5 ++++-
 src/Types/Contact.ts       |  4 ++++
 src/Types/GroupMetadata.ts |  1 -
 src/Utils/chat-utils.ts    | 18 ++++++++++++++++--
 src/Utils/history.ts       |  7 ++++++-
 5 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/src/Socket/groups.ts b/src/Socket/groups.ts
index 8f2b39c..c001779 100644
--- a/src/Socket/groups.ts
+++ b/src/Socket/groups.ts
@@ -13,6 +13,8 @@ import {
 	getBinaryNodeChild,
 	getBinaryNodeChildren,
 	getBinaryNodeChildString,
+	isJidUser,
+	isLidUser,
 	jidEncode,
 	jidNormalizedUser
 } from '../WABinary'
@@ -348,7 +350,8 @@ export const extractGroupMetadata = (result: BinaryNode) => {
 		participants: getBinaryNodeChildren(group, 'participant').map(({ attrs }) => {
 			return {
 				id: attrs.jid,
-				jid: attrs.phone_number ? jidNormalizedUser(attrs.phone_number) : undefined,
+				jid: isJidUser(attrs.jid) ? attrs.jid : jidNormalizedUser(attrs.phone_number),
+				lid: isLidUser(attrs.jid) ? attrs.jid : attrs.lid,
 				admin: (attrs.type || null) as GroupParticipant['admin']
 			}
 		}),
diff --git a/src/Types/Contact.ts b/src/Types/Contact.ts
index 5f57dde..8d5cfca 100644
--- a/src/Types/Contact.ts
+++ b/src/Types/Contact.ts
@@ -1,6 +1,10 @@
 export interface Contact {
+	/** ID either in lid or jid format **/
 	id: string
+	/** ID in Lid (anonymous) format (@lid) **/
 	lid?: string
+	/** ID in Phone Number format (@s.whatsapp.net)  **/
+	jid?: string
 	/** name of the contact, you have saved on your WA */
 	name?: string
 	/** name of the contact, the contact has set on their own on WA */
diff --git a/src/Types/GroupMetadata.ts b/src/Types/GroupMetadata.ts
index 14463e9..543922d 100644
--- a/src/Types/GroupMetadata.ts
+++ b/src/Types/GroupMetadata.ts
@@ -4,7 +4,6 @@ export type GroupParticipant = Contact & {
 	isAdmin?: boolean
 	isSuperAdmin?: boolean
 	admin?: 'admin' | 'superadmin' | null
-	jid?: string | undefined
 }
 
 export type ParticipantAction = 'add' | 'remove' | 'promote' | 'demote' | 'modify'
diff --git a/src/Utils/chat-utils.ts b/src/Utils/chat-utils.ts
index aa72468..3556591 100644
--- a/src/Utils/chat-utils.ts
+++ b/src/Utils/chat-utils.ts
@@ -15,7 +15,14 @@ import {
 	WAPatchName
 } from '../Types'
 import { ChatLabelAssociation, LabelAssociationType, MessageLabelAssociation } from '../Types/LabelAssociation'
-import { BinaryNode, getBinaryNodeChild, getBinaryNodeChildren, isJidGroup, jidNormalizedUser } from '../WABinary'
+import {
+	BinaryNode,
+	getBinaryNodeChild,
+	getBinaryNodeChildren,
+	isJidGroup,
+	isJidUser,
+	jidNormalizedUser
+} from '../WABinary'
 import { aesDecrypt, aesEncrypt, hkdf, hmacSign } from './crypto'
 import { toNumber } from './generics'
 import { ILogger } from './logger'
@@ -791,7 +798,14 @@ export const processSyncAction = (
 			]
 		})
 	} else if (action?.contactAction) {
-		ev.emit('contacts.upsert', [{ id, name: action.contactAction.fullName! }])
+		ev.emit('contacts.upsert', [
+			{
+				id: id,
+				name: action.contactAction.fullName!,
+				lid: action.contactAction.lidJid || undefined,
+				jid: isJidUser(id) ? id : undefined
+			}
+		])
 	} else if (action?.pushNameSetting) {
 		const name = action?.pushNameSetting?.name
 		if (name && me?.name !== name) {
diff --git a/src/Utils/history.ts b/src/Utils/history.ts
index c42cf6b..20461c7 100644
--- a/src/Utils/history.ts
+++ b/src/Utils/history.ts
@@ -37,7 +37,12 @@ export const processHistoryMessage = (item: proto.IHistorySync) => {
 		case proto.HistorySync.HistorySyncType.FULL:
 		case proto.HistorySync.HistorySyncType.ON_DEMAND:
 			for (const chat of item.conversations! as Chat[]) {
-				contacts.push({ id: chat.id, name: chat.name || undefined })
+				contacts.push({
+					id: chat.id,
+					name: chat.name || undefined,
+					lid: chat.lidJid || undefined,
+					jid: isJidUser(chat.id) ? chat.id : undefined
+				})
 
 				const msgs = chat.messages || []
 				delete chat.messages