createPaymentIntent method

Implementation

@override
Future<void> createPaymentIntent({
  required List<PaymentIntent> paymentIntents,
}) async {
  if (_posNamespaces.isEmpty) {
    throw StateError('No chains set, call setTokens method first');
  }
  if (paymentIntents.isEmpty) {
    throw StateError('No payment intents provided');
  }
  if (paymentIntents.length > 1) {
    throw StateError('Currently 1 payment at a time is supported');
  }

  _reOwnCore!.logger.d('[$runtimeType] createPaymentIntent: $paymentIntents');

  _pendingIntents
    ..clear()
    ..addAll(paymentIntents);

  // throws if some payment intent is not valid
  isValidPaymentIntents(_pendingIntents.first);

  try {
    _connectResponse = await reOwnSign!.connect(
      optionalNamespaces: _posNamespaces,
    );
    final pairingUri = _connectResponse!.uri!;
    onPosEvent.broadcast(QrReadyEvent(pairingUri));

    // We await the response in case of failure processed in the catch block
    // successful connection is handled in _onSessionConnect event handler
    await _connectResponse!.session.future;
  } catch (e, s) {
    _errorHandling(e, s, ErrorStep.connection);
  }
}