From fe43b77611c5316379099df2e6cbbf72fddfa4bd Mon Sep 17 00:00:00 2001
From: Kierre <vel@riseup.net>
Date: Fri, 17 Oct 2025 23:18:13 -0400
Subject: [PATCH] MSC4370: Federation endpoint for retrieving current
 extremities

---
 vona/federation/__init__.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/vona/federation/__init__.py b/vona/federation/__init__.py
index 2174473..560f1f7 100644
--- a/vona/federation/__init__.py
+++ b/vona/federation/__init__.py
@@ -485,3 +485,13 @@ async def backfill(room):
 		"origin_server_ts": int(str(time.time() * 1000).split(".")[0]),
 		"pdus": send_join(bullshit, room)["state"]
 	})
+
+
+@server.route("/_matrix/federation/unstable/org.matrix.msc4370/extremities/<room>")
+@server.route("/_matrix/federation/v1/extremities/<room>")
+async def extremities(room):
+	return jsonify({
+		"prev_events": [
+			globals.make_event_id(seed=f"6_{room}"),
+		]
+	})