subscribeRuntimeVersion method

Future<StreamSubscription<RuntimeVersion>> subscribeRuntimeVersion(dynamic onData(RuntimeVersion))

Retrieves the runtime version via subscription

Implementation

Future<StreamSubscription<RuntimeVersion>> subscribeRuntimeVersion(
  Function(RuntimeVersion) onData,
) async {
  final subscription = await _provider.subscribe(
    'state_subscribeRuntimeVersion',
    const [],
    onCancel: (subscription) async {
      await _provider.send('state_unsubscribeRuntimeVersion', [subscription]);
    },
  );

  return subscription.stream
      .map((response) => RuntimeVersion.fromJson(response.result))
      .listen(onData);
}