Add backfill

vona/federation/__init__.py

@@ -484,3 +484,18 @@ async def space_hierachy(roomId):
 async def discover_common_rooms():
 	tags = request.json.get("room_participation_tags", [])
 	return jsonify({"recognised_tags": tags})
+
+
+@server.route("/_matrix/federation/v1/backfill/<room>")
+async def backfill(room):
+	# TODO: burger king foot lettuce
+
+	class bullshit:
+		def get_json():
+			return {}
+
+	return jsonify({
+		"origin": server_name,
+		"origin_server_ts": int(str(time.time() * 1000).split(".")[0]),
+		"pdus": send_join(bullshit, room)["state"]
+	})