bail!("failed to lock ordinal UTXOs");
    }

    Ok(())
  }

  fn send_amount(client: &Client, amount: Amount, address: Address, fee_rate: f64) -> Result<Txid> {
    Ok(client.call(
      "sendtoaddress",
      &[
        address.to_string().into(), //  1. address
        amount.to_btc().into(),     //  2. amount
        serde_json::Value::Null,    //  3. comment
        serde_json::Value::Null,    //  4. comment_to
        serde_json::Value::Null,    //  5. subtractfeefromamount
        serde_json::Value::Null,    //  6. replaceable
        serde_json::Value::Null,    //  7. conf_target
        serde_json::Value::Null,    //  8. estimate_mode
        serde_json::Value::Null,    //  9. avoid_reuse
        fee_rate.into(),            // 10. fee_rate
      ],
    )?)
  }
}