feat: track history being stored

This is done because sometimes we receive history after the first connect too, and to ensure the "isLatest" flag is accurate -- we ensure no history was received previously

src/Socket/messages-recv.ts

@@ -154,15 +154,13 @@ export const makeMessagesRecvSocket = (config: SocketConfig) => {
 	}
 
 	const processMessageLocal = async(msg: proto.IWebMessageInfo) => {
-		const meId = authState.creds.me!.id
 		// process message and emit events
 		const newEvents = await processMessage(
 			msg,
 			{
 				downloadHistory,
 				historyCache,
-				meId,
-				accountSettings: authState.creds.accountSettings,
+				creds: authState.creds,
 				keyStore: authState.keys,
 				logger,
 				treatCiphertextMessagesAsReal

src/Types/Auth.ts

@@ -1,5 +1,6 @@
 import type { proto } from '../../WAProto'
 import type { Contact } from './Contact'
+import type { MinimalMessage } from './Message'
 
 export type KeyPair = { public: Uint8Array, private: Uint8Array }
 export type SignedKeyPair = { keyPair: KeyPair, signature: Uint8Array, keyId: number }
@@ -45,6 +46,8 @@ export type AuthenticationCreds = SignalCreds & {
 
     lastAccountSyncTimestamp?: number
     platform?: string
+
+    processedHistoryMessages: MinimalMessage[]
     accountSettings: AccountSettings
 }
 

src/Types/Chat.ts

@@ -1,4 +1,5 @@
 import type { proto } from '../../WAProto'
+import type { MinimalMessage } from './Message'
 
 /** set of statuses visible to other people; see updatePresence() in WhatsAppWeb.Send */
 export type WAPresence = 'unavailable' | 'available' | 'composing' | 'recording' | 'paused'
@@ -32,11 +33,12 @@ export type Chat = Omit<proto.IConversation, 'messages'> & {
     pin?: number | null
     archive?: boolean
 }
+
 /**
  * the last messages in a chat, sorted reverse-chronologically. That is, the latest message should be first in the chat
  * for MD modifications, the last message in the array (i.e. the earlist message) must be the last message recv in the chat
  * */
-export type LastMessageList = Pick<proto.IWebMessageInfo, 'key' | 'messageTimestamp'>[] | proto.ISyncActionMessageRange
+export type LastMessageList = MinimalMessage[] | proto.ISyncActionMessageRange
 
 export type ChatModification =
     {

src/Types/Message.ts

@@ -188,4 +188,6 @@ export type MediaDecryptionKeyInfo = {
     iv: Buffer
     cipherKey: Buffer
     macKey?: Buffer
-}
+}
+
+export type MinimalMessage = Pick<proto.IWebMessageInfo, 'key' | 'messageTimestamp'>

src/Utils/auth-utils.ts

@@ -121,7 +121,7 @@ export const initAuthCreds = (): AuthenticationCreds => {
 		signedPreKey: signedKeyPair(identityKey, 1),
 		registrationId: generateRegistrationId(),
 		advSecretKey: randomBytes(32).toString('base64'),
-
+		processedHistoryMessages: [],
 		nextPreKeyId: 1,
 		firstUnuploadedPreKeyId: 1,
 		accountSettings: {

src/Utils/history.ts

@@ -22,10 +22,10 @@ export const downloadHistory = async(msg: proto.IHistorySyncNotification) => {
 }
 
 export const processHistoryMessage = (item: proto.IHistorySync, historyCache: Set<string>) => {
-	const isLatest = historyCache.size === 0
 	const messages: proto.IWebMessageInfo[] = []
 	const contacts: Contact[] = []
 	const chats: Chat[] = []
+
 	switch (item.syncType) {
 	case proto.HistorySync.HistorySyncHistorySyncType.INITIAL_BOOTSTRAP:
 	case proto.HistorySync.HistorySyncHistorySyncType.RECENT:
@@ -71,11 +71,13 @@ export const processHistoryMessage = (item: proto.IHistorySync, historyCache: Se
 		break
 	}
 
+	const didProcess = !!(chats.length || messages.length || contacts.length)
+
 	return {
 		chats,
 		contacts,
 		messages,
-		isLatest,
+		didProcess,
 	}
 }
 

src/Utils/process-message.ts

@@ -1,15 +1,14 @@
 import type { Logger } from 'pino'
 import { proto } from '../../WAProto'
-import { AccountSettings, BaileysEventMap, Chat, GroupMetadata, ParticipantAction, SignalKeyStoreWithTransaction, WAMessageStubType } from '../Types'
+import { AuthenticationCreds, BaileysEventMap, Chat, GroupMetadata, ParticipantAction, SignalKeyStoreWithTransaction, WAMessageStubType } from '../Types'
 import { downloadAndProcessHistorySyncNotification, normalizeMessageContent, toNumber } from '../Utils'
 import { areJidsSameUser, jidNormalizedUser } from '../WABinary'
 
 type ProcessMessageContext = {
 	historyCache: Set<string>
 	downloadHistory: boolean
-	meId: string
+	creds: AuthenticationCreds
 	keyStore: SignalKeyStoreWithTransaction
-	accountSettings: AccountSettings
 	logger?: Logger
 	treatCiphertextMessagesAsReal?: boolean
 }
@@ -39,8 +38,10 @@ export const cleanMessage = (message: proto.IWebMessageInfo, meId: string) => {
 
 const processMessage = async(
 	message: proto.IWebMessageInfo,
-	{ downloadHistory, historyCache, meId, keyStore, accountSettings, logger, treatCiphertextMessagesAsReal }: ProcessMessageContext
+	{ downloadHistory, historyCache, creds, keyStore, logger, treatCiphertextMessagesAsReal }: ProcessMessageContext
 ) => {
+	const meId = creds.me!.id
+	const { accountSettings } = creds
 	const map: Partial<BaileysEventMap<any>> = { }
 
 	const chat: Partial<Chat> = { id: jidNormalizedUser(message.key.remoteJid) }
@@ -77,7 +78,8 @@ const processMessage = async(
 			logger?.info({ histNotification, id: message.key.id }, 'got history notification')
 
 			if(downloadHistory) {
-				const { chats, contacts, messages, isLatest } = await downloadAndProcessHistorySyncNotification(histNotification, historyCache)
+				const { chats, contacts, messages, didProcess } = await downloadAndProcessHistorySyncNotification(histNotification, historyCache)
+				const isLatest = historyCache.size === 0 && !creds.processedHistoryMessages?.length
 
 				if(chats.length) {
 					map['chats.set'] = { chats, isLatest }
@@ -90,6 +92,16 @@ const processMessage = async(
 				if(contacts.length) {
 					map['contacts.set'] = { contacts }
 				}
+
+				if(didProcess) {
+					map['creds.update'] = {
+						...(map['creds.update'] || {}),
+						processedHistoryMessages: [
+							...(creds.processedHistoryMessages || []),
+							{ key: message.key, timestamp: message.messageTimestamp }
+						]
+					}
+				}
 			}
 
 			break