fix: synapse complains about missing origin

src/database/rooms.rs

@@ -812,6 +812,12 @@ pub async fn build_and_append_pdu(
             .expect("json is object")
             .remove("event_id");
 
+        // Add origin because synapse likes that (and it's required in the spec)
+        pdu_json
+            .as_object_mut()
+            .expect("json is object")
+            .insert("origin".to_owned(), globals.server_name().as_str().into());
+
         ruma::signatures::hash_and_sign_event(
             globals.server_name().as_str(),
             globals.keypair(),

src/database/sending.rs

@@ -42,6 +42,7 @@ pub fn start_handler(&self, globals: &super::globals::Globals, rooms: &super::ro
                             .get_mut("unsigned") {
                                 unsigned.as_object_mut().expect("unsigned is object").remove("transaction_id");
                         }
+
                         pdu_json
                             .as_object_mut()
                             .expect("json is object")