update to latest light client spec (#3508)

Adds the additional check to ensure `optimistic_header` is always after `finalized_header` in `LightClientStore`, as introduced to the spec in ethereum/consensus-specs#2814
status-im · Mar 16, 2022 · 88af3f2 · 88af3f2
1 parent 8fbcf29
commit 88af3f2
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/beacon_chain/spec/light_client_sync.nim b/beacon_chain/spec/light_client_sync.nim
@@ -302,6 +302,8 @@ func apply_light_client_update(
     didProgress = true
   if active_header.slot > store.finalized_header.slot:
     store.finalized_header = active_header
+    if store.finalized_header.slot > store.optimistic_header.slot:
+      store.optimistic_header = store.finalized_header
     didProgress = true
   didProgress