Adding Key Update Before Every New GroupIntent

xmtp_mls/src/groups/mod.rs

@@ -223,11 +223,11 @@ where
         let to_store = StoredGroup::new(group_id, now_ns(), GroupMembershipState::Pending);
         let stored_group = provider.conn().insert_or_ignore_group(to_store)?;
 
-        Ok(Self::new(
-            client,
-            stored_group.id,
-            stored_group.created_at_ns,
-        ))
+        let xmtp_group = Self::new(client, stored_group.id, stored_group.created_at_ns);
+
+        let _ = xmtp_group.queue_key_update();
+
+        Ok(xmtp_group)
     }
 
     // Decrypt a welcome message using HPKE and then create and save a group from the stored message
@@ -403,6 +403,14 @@ where
         self.sync_with_conn(conn).await
     }
 
+    // Update the installation's leaf key in a synchronous way.
+    pub fn queue_key_update(&self) -> Result<(), GroupError> {
+        let conn = &mut self.client.store.conn()?;
+        let intent = NewGroupIntent::new(IntentKind::KeyUpdate, self.group_id.clone(), vec![]);
+        intent.store(conn)?;
+        Ok(())
+    }
+
     pub fn is_active(&self) -> Result<bool, GroupError> {
         let conn = &self.client.store.conn()?;
         let provider = XmtpOpenMlsProvider::new(conn);