Change the way we create message tags to index model

src/WAConnection/Utils.ts

@@ -38,7 +38,9 @@ export function randomBytes(length) {
     return Crypto.randomBytes(length)
 }
 export function promiseTimeout<T>(ms: number, promise: Promise<T>) {
-    if (!ms) { return promise }
+    if (!ms) {
+        return promise
+    }
     // Create a promise that rejects in <ms> milliseconds
     const timeout = new Promise((_, reject) => {
         const id = setTimeout(() => {
@@ -49,8 +51,10 @@ export function promiseTimeout<T>(ms: number, promise: Promise<T>) {
     return Promise.race([promise, timeout]) as Promise<T>
 }
 // whatsapp requires a message tag for every message, we just use the timestamp as one
-export function generateMessageTag() {
-    return new Date().getTime().toString()
+export function generateMessageTag(epoch?: number) {
+    let tag = new Date().getTime().toString()
+    if (epoch) tag += '-' + epoch // attach epoch if provided
+    return tag
 }
 // generate a random 16 byte client ID
 export function generateClientID() {