message: NO TICKET: Do not expose private method
diff: @@ -649,7 +649,7 @@ impl Storage {
  }
  /// Retrieves single switch block by era ID by looking it up in the index and returning it.
  - pub(crate) fn get_switch_block_by_era_id<Tx: Transaction>(
  + fn get_switch_block_by_era_id<Tx: Transaction>(
  &self,
  tx: &mut Tx,
  era_id: EraId,
  