let utxos = vec![
      (outpoint(1), Amount::from_sat(1_000)),
      (outpoint(2), Amount::from_sat(1_000)),
    ];

    pretty_assert_eq!(
      TransactionBuilder::new(
        satpoint(1, 0),
        BTreeMap::new(),
        utxos.into_iter().collect(),
        BTreeSet::new(),
        recipient(),
        [change(0), change(1)],
        FeeRate::try_from(1.0).unwrap(),
        Target::Value(Amount::from_sat(1500))
      )
      .build_transaction(),
      Ok(Transaction {
        version: 1,
        lock_time: LockTime::ZERO,
        input: vec![tx_in(outpoint(1)), tx_in(outpoint(2))],
        output: vec![tx_out(1500, recipient()), tx_out(312, change(1))],
      })
    )
  }

  #[test]
  fn refuse_to_send_dust() {
    let utxos = vec![(outpoint(1), Amount::from_sat(1_000))];

    pretty_assert_eq!(
      TransactionBuilder::new(
        satpoint(1, 0),
        BTreeMap::from([(satpoint(1, 500), inscription_id(1))]),
        utxos.into_iter().collect(),
        BTreeSet::new(),
        recipient(),
        [change(0), change(1)],