where
    D: Deserializer<'de>,
  {
    Ok(DeserializeFromStr::deserialize(deserializer)?.0)
  }
}

impl FromStr for SatPoint {
  type Err = Error;

  fn from_str(s: &str) -> Result<Self, Self::Err> {
    let (outpoint, offset) = s
      .rsplit_once(':')
      .ok_or_else(|| anyhow!("invalid satpoint: {s}"))?;

    Ok(SatPoint {
      outpoint: outpoint.parse()?,
      offset: offset.parse()?,
    })
  }
}

#[cfg(test)]
mod tests {
  use super::*;

  #[test]
  fn from_str_ok() {
    assert_eq!(
      "1111111111111111111111111111111111111111111111111111111111111111:1:1"
        .parse::<SatPoint>()
        .unwrap(),
      SatPoint {
        outpoint: "1111111111111111111111111111111111111111111111111111111111111111:1"
          .parse()
          .unwrap(),
        offset: 1,
      }
    );
  }

  #[test]
  fn from_str_err() {
    "abc".parse::<SatPoint>().unwrap_err();

    "abc:xyz".parse::<SatPoint>().unwrap_err();

    "1111111111111111111111111111111111111111111111111111111111111111:1"
      .parse::<SatPoint>()