timestamp: Timestamp::Now,
      active: Some(false),
      range: None,
      next_index: None,
      internal: Some(false),
      label: Some("commit tx recovery key".to_string()),
    })?;

    for result in response {
      if !result.success {
        return Err(anyhow!("commit tx recovery key import failed"));
      }
    }

    Ok(())
  }

  fn build_reveal_transaction(
    control_block: &ControlBlock,
    fee_rate: FeeRate,
    inputs: Vec<OutPoint>,
    commit_input_index: usize,
    outputs: Vec<TxOut>,
    script: &Script,
  ) -> (Transaction, Amount) {
    let reveal_tx = Transaction {
      input: inputs
        .iter()
        .map(|outpoint| TxIn {
          previous_output: *outpoint,
          script_sig: script::Builder::new().into_script(),
          witness: Witness::new(),
          sequence: Sequence::ENABLE_RBF_NO_LOCKTIME,
        })
        .collect(),
      output: outputs,
      lock_time: LockTime::ZERO,
      version: 1,
    };

    let fee = {
      let mut reveal_tx = reveal_tx.clone();