])
    );
  }

  #[test]
  fn list_null_output() {
    let context = Context::builder().arg("--index-sats").build();

    context.mine_blocks(1);
    let no_value_output = TransactionTemplate {
      inputs: &[(1, 0, 0, Default::default())],
      fee: 50 * COIN_VALUE,
      ..Default::default()
    };
    let txid = context.rpc_server.broadcast_tx(no_value_output);
    context.mine_blocks(1);

    assert_eq!(
      context.index.list(OutPoint::new(txid, 0)).unwrap().unwrap(),
      List::Unspent(Vec::new())
    );
  }

  #[test]
  fn list_null_input() {
    let context = Context::builder().arg("--index-sats").build();

    context.mine_blocks(1);
    let no_value_output = TransactionTemplate {
      inputs: &[(1, 0, 0, Default::default())],
      fee: 50 * COIN_VALUE,
      ..Default::default()
    };
    context.rpc_server.broadcast_tx(no_value_output);
    context.mine_blocks(1);

    let no_value_input = TransactionTemplate {
      inputs: &[(2, 1, 0, Default::default())],
      fee: 0,
      ..Default::default()