bail!(
        "reveal transaction weight greater than {MAX_STANDARD_TX_WEIGHT} (MAX_STANDARD_TX_WEIGHT): {reveal_weight}"
      );
    }

    utxos.insert(
      reveal_tx.input[commit_input].previous_output,
      Amount::from_sat(
        unsigned_commit_tx.output[reveal_tx.input[commit_input].previous_output.vout as usize]
          .value,
      ),
    );

    let total_fees =
      Self::calculate_fee(&unsigned_commit_tx, &utxos) + Self::calculate_fee(&reveal_tx, &utxos);

    Ok((unsigned_commit_tx, reveal_tx, recovery_key_pair, total_fees))
  }

  fn backup_recovery_key(
    client: &Client,
    recovery_key_pair: TweakedKeyPair,
    network: Network,
  ) -> Result {
    let recovery_private_key = PrivateKey::new(recovery_key_pair.to_inner().secret_key(), network);

    let info = client.get_descriptor_info(&format!("rawtr({})", recovery_private_key.to_wif()))?;

    let response = client.import_descriptors(ImportDescriptors {
      descriptor: format!("rawtr({})#{}", recovery_private_key.to_wif(), info.checksum),