public async Task SerializeSubscribeMessageLevel2Channel()
{
var message = SubscribeMessage.Create(new Level2Channel
{
Products = new List <string> {
"XTZ-EUR"
}
});
var json = JsonSerializer.Serialize <FeedRequestMessage>(message, SerializerOptions);
var expected = await File.ReadAllTextAsync("TestData/subscribe_level2.json");
json.ShouldBe(expected);
}
private async Task SubscribeAsync(IEnumerable <FeedChannel> channels, CancellationToken cancellationToken)
{
if (_apiOptions.WebsocketFeedUri == null)
{
throw new InvalidOperationException();
}
await _webSocket.ConnectAsync(_apiOptions.WebsocketFeedUri, cancellationToken);
_log.LogInformation($"connected to {_apiOptions.WebsocketFeedUri}");
// To begin receiving feed messages, you must first send a subscribe message to the server indicating which channels and products
// to receive. This message is mandatory - you will be disconnected if no subscribe has been received within 5 seconds.
var message = SubscribeMessage.Create(channels);
var bytes = JsonSerializer.SerializeToUtf8Bytes <FeedRequestMessage>(message, _serializerOptions);
await _webSocket.SendAsync(bytes, WebSocketMessageType.Text, true, cancellationToken);
}