private HttpRequestMessage BuildUnauthenticatedRequestAsync(PoloniexRequest request)
{
var builder = new UriBuilder("https://poloniex.com/public")
{
Query = new NameValueCollection
{
{ "command", request.Command },
request.Parameters
}.ToQueryString()
};
return(new HttpRequestMessage(HttpMethod.Get, builder.Uri));
}
private async Task <HttpRequestMessage> BuildAuthenticatedRequestAsync(PoloniexRequest request)
{
var requestMessage = new HttpRequestMessage(HttpMethod.Post, "https://poloniex.com/tradingApi")
{
Content = new NameValueCollection
{
{ "command", request.Command },
{ "nonce", (DateTime.UtcNow.ToUnixTimestamp() * 100000).ToString() },
request.Parameters
}.ToFormUrlEncodedContent()
};
var body = await requestMessage.Content.ReadAsStringAsync();
var hash = this.HashString(this.secret, body);
requestMessage.Headers.Add("Key", this.apiKey);
requestMessage.Headers.Add("Sign", hash);
return(requestMessage);
}
public async Task <T> SendRequestAsync <T>(PoloniexRequest request, Func <String, T> customDeserializer = null)
{
using (var client = new HttpClient())
{
var requestMessage = request.Api == PoloniexApi.Trading
? await this.BuildAuthenticatedRequestAsync(request)
: this.BuildUnauthenticatedRequestAsync(request);
var response = await client.SendAsync(requestMessage);
var content = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
var error = JsonConvert.DeserializeObject <PoloniexError>(content);
throw new PoloniexException(error.Message);
}
return((customDeserializer != null)
? customDeserializer.Invoke(content)
: JsonConvert.DeserializeObject <T>(content));
}
}
