Usync: Barebones Usync Protocol support (#960)

* feature(feature/usync-mex): initial commit

* chore: fix merge commit

* chore:lint

src/Socket/chats.ts

@@ -8,7 +8,8 @@ import { chatModificationToAppPatch, ChatMutationMap, decodePatches, decodeSyncd
 import { makeMutex } from '../Utils/make-mutex'
 import processMessage from '../Utils/process-message'
 import { BinaryNode, getBinaryNodeChild, getBinaryNodeChildren, jidNormalizedUser, reduceBinaryNodeToDictionary, S_WHATSAPP_NET } from '../WABinary'
-import { makeSocket } from './socket'
+import { USyncQuery, USyncUser } from '../WAUSync'
+import { makeUSyncSocket } from './usync'
 
 const MAX_SYNC_ATTEMPTS = 2
 
@@ -21,7 +22,7 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		shouldIgnoreJid,
 		shouldSyncHistoryMessage,
 	} = config
-	const sock = makeSocket(config)
+	const sock = makeUSyncSocket(config)
 	const {
 		ev,
 		ws,
@@ -139,83 +140,47 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		})
 	}
 
-	/** helper function to run a generic IQ query */
-	const interactiveQuery = async(userNodes: BinaryNode[], queryNode: BinaryNode) => {
-		const result = await query({
-			tag: 'iq',
-			attrs: {
-				to: S_WHATSAPP_NET,
-				type: 'get',
-				xmlns: 'usync',
-			},
-			content: [
-				{
-					tag: 'usync',
-					attrs: {
-						sid: generateMessageTag(),
-						mode: 'query',
-						last: 'true',
-						index: '0',
-						context: 'interactive',
-					},
-					content: [
-						{
-							tag: 'query',
-							attrs: {},
-							content: [queryNode]
-						},
-						{
-							tag: 'list',
-							attrs: {},
-							content: userNodes
-						}
-					]
-				}
-			],
-		})
-
-		const usyncNode = getBinaryNodeChild(result, 'usync')
-		const listNode = getBinaryNodeChild(usyncNode, 'list')
-		const users = getBinaryNodeChildren(listNode, 'user')
-
-		return users
-	}
-
 	const onWhatsApp = async(...jids: string[]) => {
-		const query = { tag: 'contact', attrs: {} }
-		const list = jids.map((jid) => {
-			// insures only 1 + is there
-			const content = `+${jid.replace('+', '')}`
+		const usyncQuery = new USyncQuery()
+			.withContactProtocol()
 
-			return {
-				tag: 'user',
-				attrs: {},
-				content: [{
-					tag: 'contact',
-					attrs: {},
-					content,
-				}],
-			}
-		})
-		const results = await interactiveQuery(list, query)
+		for(const jid of jids) {
+			const phone = `+${jid.replace('+', '').split('@')[0].split(':')[0]}`
+			usyncQuery.withUser(new USyncUser().withPhone(phone))
+		}
 
-		return results.map(user => {
-			const contact = getBinaryNodeChild(user, 'contact')
-			return { exists: contact?.attrs.type === 'in', jid: user.attrs.jid }
-		}).filter(item => item.exists)
+		const results = await sock.executeUSyncQuery(usyncQuery)
+
+		if(results) {
+			return results.list.filter((a) => !!a.contact).map(({ contact, id }) => ({ jid: id, exists: contact }))
+		}
 	}
 
-	const fetchStatus = async(jid: string) => {
-		const [result] = await interactiveQuery(
-			[{ tag: 'user', attrs: { jid } }],
-			{ tag: 'status', attrs: {} }
-		)
+	const fetchStatus = async(...jids: string[]) => {
+		const usyncQuery = new USyncQuery()
+			.withStatusProtocol()
+
+		for(const jid of jids) {
+			usyncQuery.withUser(new USyncUser().withId(jid))
+		}
+
+		const result = await sock.executeUSyncQuery(usyncQuery)
 		if(result) {
-			const status = getBinaryNodeChild(result, 'status')
-			return {
-				status: status?.content!.toString(),
-				setAt: new Date(+(status?.attrs.t || 0) * 1000)
-			}
+			return result.list
+		}
+	}
+
+	const fetchDisappearingDuration = async(...jids: string[]) => {
+		const usyncQuery = new USyncQuery()
+			.withDisappearingModeProtocol()
+
+		for(const jid of jids) {
+			usyncQuery.withUser(new USyncUser().withId(jid))
+		}
+
+		const result = await sock.executeUSyncQuery(usyncQuery)
+		if(result) {
+			return result.list
 		}
 	}
 
@@ -1021,6 +986,7 @@ export const makeChatsSocket = (config: SocketConfig) => {
 		onWhatsApp,
 		fetchBlocklist,
 		fetchStatus,
+		fetchDisappearingDuration,
 		updateProfilePicture,
 		removeProfilePicture,
 		updateProfileStatus,

src/Socket/messages-send.ts

@@ -7,6 +7,7 @@ import { AnyMessageContent, MediaConnInfo, MessageReceiptType, MessageRelayOptio
 import { aggregateMessageKeysNotFromMe, assertMediaContent, bindWaitForEvent, decryptMediaRetryData, encodeSignedDeviceIdentity, encodeWAMessage, encryptMediaRetryRequest, extractDeviceJids, generateMessageIDV2, generateWAMessage, getStatusCodeForMediaRetry, getUrlFromDirectPath, getWAUploadToServer, normalizeMessageContent, parseAndInjectE2ESessions, unixTimestampSeconds } from '../Utils'
 import { getUrlInfo } from '../Utils/link-preview'
 import { areJidsSameUser, BinaryNode, BinaryNodeAttributes, getBinaryNodeChild, getBinaryNodeChildren, isJidGroup, isJidUser, jidDecode, jidEncode, jidNormalizedUser, JidWithDevice, S_WHATSAPP_NET } from '../WABinary'
+import { USyncQuery, USyncUser } from '../WAUSync'
 import { makeGroupsSocket } from './groups'
 
 export const makeMessagesSocket = (config: SocketConfig) => {
@@ -27,7 +28,6 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 		upsertMessage,
 		query,
 		fetchPrivacySettings,
-		generateMessageTag,
 		sendNode,
 		groupMetadata,
 		groupToggleEphemeral,
@@ -144,72 +144,54 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 			logger.debug('not using cache for devices')
 		}
 
-		const users: BinaryNode[] = []
+		const toFetch: string[] = []
 		jids = Array.from(new Set(jids))
+
 		for(let jid of jids) {
 			const user = jidDecode(jid)?.user
 			jid = jidNormalizedUser(jid)
+			if(useCache) {
+				const devices = userDevicesCache.get<JidWithDevice[]>(user!)
+				if(devices) {
+					deviceResults.push(...devices)
 
-			const devices = userDevicesCache.get<JidWithDevice[]>(user!)
-			if(devices && useCache) {
-				deviceResults.push(...devices)
-
-				logger.trace({ user }, 'using cache for devices')
+					logger.trace({ user }, 'using cache for devices')
+				} else {
+					toFetch.push(jid)
+				}
 			} else {
-				users.push({ tag: 'user', attrs: { jid } })
+				toFetch.push(jid)
 			}
 		}
 
-		if(!users.length) {
+		if(!toFetch.length) {
 			return deviceResults
 		}
 
-		const iq: BinaryNode = {
-			tag: 'iq',
-			attrs: {
-				to: S_WHATSAPP_NET,
-				type: 'get',
-				xmlns: 'usync',
-			},
-			content: [
-				{
-					tag: 'usync',
-					attrs: {
-						sid: generateMessageTag(),
-						mode: 'query',
-						last: 'true',
-						index: '0',
-						context: 'message',
-					},
-					content: [
-						{
-							tag: 'query',
-							attrs: { },
-							content: [
-								{
-									tag: 'devices',
-									attrs: { version: '2' }
-								}
-							]
-						},
-						{ tag: 'list', attrs: { }, content: users }
-					]
-				},
-			],
-		}
-		const result = await query(iq)
-		const extracted = extractDeviceJids(result, authState.creds.me!.id, ignoreZeroDevices)
-		const deviceMap: { [_: string]: JidWithDevice[] } = {}
+		const query = new USyncQuery()
+			.withContext('message')
+			.withDeviceProtocol()
 
-		for(const item of extracted) {
-			deviceMap[item.user] = deviceMap[item.user] || []
-			deviceMap[item.user].push(item)
-
-			deviceResults.push(item)
+		for(const jid of toFetch) {
+			query.withUser(new USyncUser().withId(jid))
 		}
 
-		for(const key in deviceMap) {
-			userDevicesCache.set(key, deviceMap[key])
+		const result = await sock.executeUSyncQuery(query)
+
+		if(result) {
+			const extracted = extractDeviceJids(result?.list, authState.creds.me!.id, ignoreZeroDevices)
+			const deviceMap: { [_: string]: JidWithDevice[] } = {}
+
+			for(const item of extracted) {
+				deviceMap[item.user] = deviceMap[item.user] || []
+				deviceMap[item.user].push(item)
+
+				deviceResults.push(item)
+			}
+
+			for(const key in deviceMap) {
+				userDevicesCache.set(key, deviceMap[key])
+			}
 		}
 
 		return deviceResults

src/Socket/usync.ts

@@ -0,0 +1,81 @@
+import { Boom } from '@hapi/boom'
+import { SocketConfig } from '../Types'
+import { BinaryNode, S_WHATSAPP_NET } from '../WABinary'
+import { USyncQuery } from '../WAUSync'
+import { makeSocket } from './socket'
+
+export const makeUSyncSocket = (config: SocketConfig) => {
+	const sock = makeSocket(config)
+
+	const {
+		generateMessageTag,
+		query,
+	} = sock
+
+	const executeUSyncQuery = async(usyncQuery: USyncQuery) => {
+		if(usyncQuery.protocols.length === 0) {
+			throw new Boom('USyncQuery must have at least one protocol')
+		}
+
+		// todo: validate users, throw WARNING on no valid users
+		// variable below has only validated users
+		const validUsers = usyncQuery.users
+
+		const userNodes = validUsers.map((user) => {
+			return {
+				tag: 'user',
+				attrs: {
+					jid: !user.phone ? user.id : undefined,
+				},
+				content: usyncQuery.protocols
+					.map((a) => a.getUserElement(user))
+					.filter(a => a !== null)
+			} as BinaryNode
+		})
+
+		const listNode: BinaryNode = {
+			tag: 'list',
+			attrs: {},
+			content: userNodes
+		}
+
+		const queryNode: BinaryNode = {
+			tag: 'query',
+			attrs: {},
+			content: usyncQuery.protocols.map((a) => a.getQueryElement())
+		}
+		const iq = {
+			tag: 'iq',
+			attrs: {
+				to: S_WHATSAPP_NET,
+				type: 'get',
+				xmlns: 'usync',
+			},
+			content: [
+				{
+					tag: 'usync',
+					attrs: {
+						context: usyncQuery.context,
+						mode: usyncQuery.mode,
+						sid: generateMessageTag(),
+						last: 'true',
+						index: '0',
+					},
+					content: [
+						queryNode,
+						listNode
+					]
+				}
+			],
+		}
+
+		const result = await query(iq)
+
+		return usyncQuery.parseUSyncQueryResult(result)
+	}
+
+	return {
+		...sock,
+		executeUSyncQuery,
+	}
+}

src/Types/USync.ts

@@ -0,0 +1,27 @@
+import { BinaryNode } from '../WABinary'
+import { USyncUser } from '../WAUSync'
+
+/**
+ * Defines the interface for a USyncQuery protocol
+ */
+export interface USyncQueryProtocol {
+    /**
+     * The name of the protocol
+     */
+    name: string
+    /**
+     * Defines what goes inside the query part of a USyncQuery
+     */
+    getQueryElement: () => BinaryNode
+    /**
+     * Defines what goes inside the user part of a USyncQuery
+     */
+    getUserElement: (user: USyncUser) => BinaryNode | null
+
+    /**
+     * Parse the result of the query
+     * @param data Data from the result
+     * @returns Whatever the protocol is supposed to return
+     */
+    parser: (data: BinaryNode) => unknown
+}

src/Utils/signal.ts

@@ -3,6 +3,7 @@ import { KEY_BUNDLE_TYPE } from '../Defaults'
 import { SignalRepository } from '../Types'
 import { AuthenticationCreds, AuthenticationState, KeyPair, SignalIdentity, SignalKeyStore, SignedKeyPair } from '../Types/Auth'
 import { assertNodeErrorFree, BinaryNode, getBinaryNodeChild, getBinaryNodeChildBuffer, getBinaryNodeChildren, getBinaryNodeChildUInt, jidDecode, JidWithDevice, S_WHATSAPP_NET } from '../WABinary'
+import { DeviceListData, ParsedDeviceInfo, USyncQueryResultList } from '../WAUSync'
 import { Curve, generateSignalPubKey } from './crypto'
 import { encodeBigEndian } from './generics'
 
@@ -114,30 +115,24 @@ export const parseAndInjectE2ESessions = async(
 	}
 }
 
-export const extractDeviceJids = (result: BinaryNode, myJid: string, excludeZeroDevices: boolean) => {
+export const extractDeviceJids = (result: USyncQueryResultList[], myJid: string, excludeZeroDevices: boolean) => {
 	const { user: myUser, device: myDevice } = jidDecode(myJid)!
+
 	const extracted: JidWithDevice[] = []
-	for(const node of result.content as BinaryNode[]) {
-		const list = getBinaryNodeChild(node, 'list')?.content
-		if(list && Array.isArray(list)) {
-			for(const item of list) {
-				const { user } = jidDecode(item.attrs.jid)!
-				const devicesNode = getBinaryNodeChild(item, 'devices')
-				const deviceListNode = getBinaryNodeChild(devicesNode, 'device-list')
-				if(Array.isArray(deviceListNode?.content)) {
-					//eslint-disable-next-line max-depth
-					for(const { tag, attrs } of deviceListNode!.content) {
-						const device = +attrs.id
-						//eslint-disable-next-line max-depth
-						if(
-							tag === 'device' && // ensure the "device" tag
-							(!excludeZeroDevices || device !== 0) && // if zero devices are not-excluded, or device is non zero
-							(myUser !== user || myDevice !== device) && // either different user or if me user, not this device
-							(device === 0 || !!attrs['key-index']) // ensure that "key-index" is specified for "non-zero" devices, produces a bad req otherwise
-						) {
-							extracted.push({ user, device })
-						}
-					}
+
+
+	for(const userResult of result) {
+		const { devices, id } = userResult as { devices: ParsedDeviceInfo, id: string }
+		const { user } = jidDecode(id)!
+		const deviceList = devices?.deviceList as DeviceListData[]
+		if(Array.isArray(deviceList)) {
+			for(const { id: device, keyIndex } of deviceList) {
+				if(
+					(!excludeZeroDevices || device !== 0) && // if zero devices are not-excluded, or device is non zero
+					(myUser !== user || myDevice !== device) && // either different user or if me user, not this device
+					(device === 0 || !!keyIndex) // ensure that "key-index" is specified for "non-zero" devices, produces a bad req otherwise
+				) {
+					extracted.push({ user, device })
 				}
 			}
 		}

src/WAUSync/Protocols/USyncContactProtocol.ts

@@ -0,0 +1,32 @@
+import { USyncQueryProtocol } from '../../Types/USync'
+import { assertNodeErrorFree, BinaryNode } from '../../WABinary'
+import { USyncUser } from '../USyncUser'
+
+export class USyncContactProtocol implements USyncQueryProtocol {
+	name = 'contact'
+
+	getQueryElement(): BinaryNode {
+		return {
+			tag: 'contact',
+			attrs: {},
+		}
+	}
+
+	getUserElement(user: USyncUser): BinaryNode {
+		//TODO: Implement type / username fields (not yet supported)
+		return {
+			tag: 'contact',
+			attrs: {},
+			content: user.phone,
+		}
+	}
+
+	parser(node: BinaryNode): boolean {
+		if(node.tag === 'contact') {
+			assertNodeErrorFree(node)
+			return node?.attrs?.type === 'in'
+		}
+
+		return false
+	}
+}

src/WAUSync/Protocols/USyncDeviceProtocol.ts

@@ -0,0 +1,78 @@
+import { USyncQueryProtocol } from '../../Types/USync'
+import { assertNodeErrorFree, BinaryNode, getBinaryNodeChild } from '../../WABinary'
+//import { USyncUser } from '../USyncUser'
+
+export type KeyIndexData = {
+	timestamp: number
+	signedKeyIndex?: Uint8Array
+	expectedTimestamp?: number
+}
+
+export type DeviceListData = {
+	id: number
+	keyIndex?: number
+	isHosted?: boolean
+}
+
+export type ParsedDeviceInfo = {
+    deviceList?: DeviceListData[]
+	keyIndex?: KeyIndexData
+}
+
+export class USyncDeviceProtocol implements USyncQueryProtocol {
+	name = 'devices'
+
+	getQueryElement(): BinaryNode {
+		return {
+			tag: 'devices',
+			attrs: {
+				version: '2',
+			},
+		}
+	}
+
+	getUserElement(/* user: USyncUser */): BinaryNode | null {
+		//TODO: Implement device phashing, ts and expectedTs
+		//TODO: if all are not present, return null <- current behavior
+		//TODO: otherwise return a node w tag 'devices' w those as attrs
+		return null
+	}
+
+	parser(node: BinaryNode): ParsedDeviceInfo {
+		const deviceList: DeviceListData[] = []
+		let keyIndex: KeyIndexData | undefined = undefined
+
+		if(node.tag === 'devices') {
+			assertNodeErrorFree(node)
+			const deviceListNode = getBinaryNodeChild(node, 'device-list')
+			const keyIndexNode = getBinaryNodeChild(node, 'key-index-list')
+
+			if(Array.isArray(deviceListNode?.content)) {
+				for(const { tag, attrs } of deviceListNode!.content) {
+					const id = +attrs.id
+					const keyIndex = +attrs['key-index']
+					if(tag === 'device') {
+						deviceList.push({
+							id,
+							keyIndex,
+							isHosted: !!(attrs['is_hosted'] && attrs['is_hosted'] === 'true')
+						})
+					}
+				}
+			}
+
+			if(keyIndexNode?.tag === 'key-index-list') {
+				keyIndex = {
+					timestamp: +keyIndexNode.attrs['ts'],
+					signedKeyIndex: keyIndexNode?.content as Uint8Array,
+					expectedTimestamp: keyIndexNode.attrs['expected_ts'] ? +keyIndexNode.attrs['expected_ts'] : undefined
+				}
+			}
+		}
+
+		return {
+			deviceList,
+			keyIndex
+		}
+	}
+}

src/WAUSync/Protocols/USyncDisappearingModeProtocol.ts

@@ -0,0 +1,35 @@
+import { USyncQueryProtocol } from '../../Types/USync'
+import { assertNodeErrorFree, BinaryNode } from '../../WABinary'
+
+export type DisappearingModeData = {
+	duration: number
+	setAt?: Date
+}
+
+export class USyncDisappearingModeProtocol implements USyncQueryProtocol {
+	name = 'disappearing_mode'
+
+	getQueryElement(): BinaryNode {
+		return {
+			tag: 'disappearing_mode',
+			attrs: {},
+		}
+	}
+
+	getUserElement(): null {
+		return null
+	}
+
+	parser(node: BinaryNode): DisappearingModeData | undefined {
+		if(node.tag === 'status') {
+			assertNodeErrorFree(node)
+			const duration: number = +node?.attrs.duration
+			const setAt = new Date(+(node?.attrs.t || 0) * 1000)
+
+			return {
+				duration,
+				setAt,
+			}
+		}
+	}
+}

src/WAUSync/Protocols/USyncStatusProtocol.ts

@@ -0,0 +1,44 @@
+import { USyncQueryProtocol } from '../../Types/USync'
+import { assertNodeErrorFree, BinaryNode } from '../../WABinary'
+
+export type StatusData = {
+	status?: string | null
+	setAt?: Date
+}
+
+export class USyncStatusProtocol implements USyncQueryProtocol {
+	name = 'status'
+
+	getQueryElement(): BinaryNode {
+		return {
+			tag: 'status',
+			attrs: {},
+		}
+	}
+
+	getUserElement(): null {
+		return null
+	}
+
+	parser(node: BinaryNode): StatusData | undefined {
+		if(node.tag === 'status') {
+			assertNodeErrorFree(node)
+			let status: string | null = node?.content!.toString()
+			const setAt = new Date(+(node?.attrs.t || 0) * 1000)
+			if(!status) {
+				if(+node.attrs?.code === 401) {
+					status = ''
+				} else {
+					status = null
+				}
+			} else if(typeof status === 'string' && status.length === 0) {
+				status = null
+			}
+
+			return {
+				status,
+				setAt,
+			}
+		}
+	}
+}

src/WAUSync/Protocols/index.ts

@@ -0,0 +1,4 @@
+export * from './USyncDeviceProtocol'
+export * from './USyncContactProtocol'
+export * from './USyncStatusProtocol'
+export * from './USyncDisappearingModeProtocol'

src/WAUSync/USyncQuery.ts

@@ -0,0 +1,103 @@
+import { USyncQueryProtocol } from '../Types/USync'
+import { BinaryNode, getBinaryNodeChild } from '../WABinary'
+import { USyncContactProtocol, USyncDeviceProtocol, USyncDisappearingModeProtocol, USyncStatusProtocol } from './Protocols'
+import { USyncUser } from './USyncUser'
+
+export type USyncQueryResultList = { [protocol: string]: unknown, id: string }
+
+export type USyncQueryResult = {
+    list: USyncQueryResultList[]
+    sideList: USyncQueryResultList[]
+}
+
+export class USyncQuery {
+	protocols: USyncQueryProtocol[]
+	users: USyncUser[]
+	context: string
+	mode: string
+
+	constructor() {
+		this.protocols = []
+		this.users = []
+		this.context = 'interactive'
+		this.mode = 'query'
+	}
+
+	withMode(mode: string) {
+		this.mode = mode
+		return this
+	}
+
+	withContext(context: string) {
+		this.context = context
+		return this
+	}
+
+	withUser(user: USyncUser) {
+		this.users.push(user)
+		return this
+	}
+
+	parseUSyncQueryResult(result: BinaryNode): USyncQueryResult | undefined {
+		if(result.attrs.type !== 'result') {
+			return
+		}
+
+		const protocolMap = Object.fromEntries(this.protocols.map((protocol) => {
+			return [protocol.name, protocol.parser]
+		}))
+
+		const queryResult: USyncQueryResult = {
+			// TODO: implement errors etc.
+			list: [],
+			sideList: [],
+		}
+
+		const usyncNode = getBinaryNodeChild(result, 'usync')
+
+		//TODO: implement error backoff, refresh etc.
+		//TODO: see if there are any errors in the result node
+		//const resultNode = getBinaryNodeChild(usyncNode, 'result')
+
+		const listNode = getBinaryNodeChild(usyncNode, 'list')
+		if(Array.isArray(listNode?.content) && typeof listNode !== 'undefined') {
+			queryResult.list = listNode.content.map((node) => {
+				const id = node?.attrs.jid
+				const data = Array.isArray(node?.content) ? Object.fromEntries(node.content.map((content) => {
+					const protocol = content.tag
+					const parser = protocolMap[protocol]
+					if(parser) {
+						return [protocol, parser(content)]
+					} else {
+						return [protocol, null]
+					}
+				}).filter(([, b]) => b !== null) as [string, unknown][]) : {}
+				return { ...data, id }
+			})
+		}
+
+		//TODO: implement side list
+		//const sideListNode = getBinaryNodeChild(usyncNode, 'side_list')
+		return queryResult
+	}
+
+	withDeviceProtocol() {
+		this.protocols.push(new USyncDeviceProtocol())
+		return this
+	}
+
+	withContactProtocol() {
+		this.protocols.push(new USyncContactProtocol())
+		return this
+	}
+
+	withStatusProtocol() {
+		this.protocols.push(new USyncStatusProtocol())
+		return this
+	}
+
+	withDisappearingModeProtocol() {
+		this.protocols.push(new USyncDisappearingModeProtocol())
+		return this
+	}
+}

src/WAUSync/USyncUser.ts

@@ -0,0 +1,27 @@
+export class USyncUser {
+	id: string
+	lid: string
+	phone: string
+	type: string
+
+	withId(id: string) {
+		this.id = id
+		return this
+	}
+
+	withLid(lid: string) {
+		this.lid = lid
+		return this
+	}
+
+	withPhone(phone: string) {
+		this.phone = phone
+		return this
+	}
+
+	withType(type: string) {
+		this.type = type
+		return this
+	}
+
+}

src/WAUSync/index.ts

@@ -0,0 +1,3 @@
+export * from './Protocols'
+export * from './USyncQuery'
+export * from './USyncUser'

src/index.ts

@@ -7,6 +7,7 @@ export * from './Store'
 export * from './Defaults'
 export * from './WABinary'
 export * from './WAM'
+export * from './WAUSync'
 
 export type WASocket = ReturnType<typeof makeWASocket>
 export { makeWASocket }