From 4836c1676b60a969b80fa8dc23d7631de3af5287 Mon Sep 17 00:00:00 2001
From: Luke Parker <lukeparker5132@gmail.com>
Date: Sat, 4 Jan 2025 13:52:17 -0500
Subject: [PATCH] Don't consider the Serai set in the cosigning protocol

The Serai set SHOULD be banned from setting keys so this SHOULD be unreachable.
It's now explicitly unreachable.
---
 coordinator/cosign/src/lib.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/coordinator/cosign/src/lib.rs b/coordinator/cosign/src/lib.rs
index 6409b56f..faa449dd 100644
--- a/coordinator/cosign/src/lib.rs
+++ b/coordinator/cosign/src/lib.rs
@@ -161,6 +161,11 @@ async fn keys_for_network(
   serai: &TemporalSerai<'_>,
   network: NetworkId,
 ) -> Result<Option<(Session, KeyPair)>, String> {
+  // The Serai network never cosigns so it has no keys for cosigning
+  if network == NetworkId::Serai {
+    return Ok(None);
+  }
+
   let Some(latest_session) =
     serai.validator_sets().session(network).await.map_err(|e| format!("{e:?}"))?
   else {