Path((DeserializeFromStr(start), DeserializeFromStr(end))): Path<(
      DeserializeFromStr<Sat>,
      DeserializeFromStr<Sat>,
    )>,
  ) -> ServerResult<PageHtml<RangeHtml>> {
    match start.cmp(&end) {
      Ordering::Equal => Err(ServerError::BadRequest("empty range".to_string())),
      Ordering::Greater => Err(ServerError::BadRequest(
        "range start greater than range end".to_string(),
      )),
      Ordering::Less => Ok(RangeHtml { start, end }.page(page_config)),
    }
  }

  async fn rare_txt(Extension(index): Extension<Arc<Index>>) -> ServerResult<RareTxt> {
    Ok(RareTxt(index.rare_sat_satpoints()?))
  }

  async fn rune(
    Extension(page_config): Extension<Arc<PageConfig>>,
    Extension(index): Extension<Arc<Index>>,
    Path(DeserializeFromStr(rune)): Path<DeserializeFromStr<Rune>>,
  ) -> ServerResult<PageHtml<RuneHtml>> {
    let (id, entry) = index.rune(rune)?.ok_or_else(|| {
      ServerError::NotFound(
        "tracking runes requires index created with `--index-runes-pre-alpha-i-agree-to-get-rekt` flag".into(),