message: Log when descendants are synchronized.
diff: @@ -88,8 +88,6 @@ enum State {
  /// During synchronization we might see new eras being created.
  /// Track the highest height and wait until it's handled by consensus.
  highest_block_seen: u64,
  - /// Indicates whether we have downloaded whole available linear chain.
  - is_done: bool,
  },
  /// Synchronizing done.
  Done,
  @@ -130,7 +128,6 @@ impl State {
  linear_chain_block: Box::new(None),
  current_block: Box::new(None),
  highest_block_seen: 0,
  - is_done: false,
  }
  }
  @@ -434,6 +431,7 @@ where
  // We have synchronized all, currently existing, descendants of trusted
  // hash.
  self.mark_done();
  + info!("Finished synchronizing descendants of the trusted hash.");
  Effects::new()
  }
  Some(peer) => fetch_block_at_height(effect_builder, peer, block_height),
  