protected override async Task ProcessRequestAsync(HttpWebRequest request, Dictionary <string, object> payload)
{
if (CanMakeAuthenticatedRequest(payload))
{
string payloadForm = CryptoUtility.GetFormForPayload(payload, false);
request.Headers["API-Key"] = PublicApiKey.ToUnsecureString();
request.Headers["Sign"] = CryptoUtility.SHA256Sign(payloadForm, PrivateApiKey.ToBytes()).ToUpperInvariant();
await request.WriteToRequestAsync(payloadForm);
}
}
protected override Uri ProcessRequestUrl(UriBuilder url, Dictionary <string, object> payload, string method)
{
if (CanMakeAuthenticatedRequest(payload))
{
// payload is ignored, except for the nonce which is added to the url query - bittrex puts all the "post" parameters in the url query instead of the request body
var query = HttpUtility.ParseQueryString(url.Query);
string newQuery = "timestamp=" + payload["nonce"].ToStringInvariant() + (query.Count == 0 ? string.Empty : "&" + query.ToString()) +
(payload.Count > 1 ? "&" + CryptoUtility.GetFormForPayload(payload, false) : string.Empty);
string signature = CryptoUtility.SHA256Sign(newQuery, CryptoUtility.ToBytes(PrivateApiKey));
newQuery += "&signature=" + signature;
url.Query = newQuery;
return(url.Uri);
}
return(base.ProcessRequestUrl(url, payload, method));
}
protected override async Task ProcessRequestAsync(HttpWebRequest request, Dictionary <string, object> payload)
{
if (CanMakeAuthenticatedRequest(payload))
{
if (string.IsNullOrWhiteSpace(CustomerId))
{
throw new APIException("Customer ID is not set for Bitstamp");
}
// messageToSign = nonce + customer_id + api_key
string apiKey = PublicApiKey.ToUnsecureString();
string messageToSign = payload["nonce"].ToStringInvariant() + CustomerId + apiKey;
string signature = CryptoUtility.SHA256Sign(messageToSign, PrivateApiKey.ToUnsecureString()).ToUpperInvariant();
payload["signature"] = signature;
payload["key"] = apiKey;
await CryptoUtility.WritePayloadFormToRequestAsync(request, payload);
}
}
protected override async Task ProcessRequestAsync(HttpWebRequest request, Dictionary <string, object> payload)
{
if (CanMakeAuthenticatedRequest(payload))
{
request.Headers.Add("KC-API-KEY", PublicApiKey.ToUnsecureString());
request.Headers.Add("KC-API-NONCE", payload["nonce"].ToStringInvariant());
var endpoint = request.RequestUri.AbsolutePath;
var message = string.Format("{0}/{1}/{2}", endpoint, payload["nonce"], CryptoUtility.GetFormForPayload(payload, false));
var sig = CryptoUtility.SHA256Sign(Convert.ToBase64String(Encoding.UTF8.GetBytes(message)), PrivateApiKey.ToUnsecureString());
request.Headers.Add("KC-API-SIGNATURE", sig);
if (request.Method == "POST")
{
string msg = CryptoUtility.GetFormForPayload(payload, false);
using (Stream stream = await request.GetRequestStreamAsync())
{
byte[] content = Encoding.UTF8.GetBytes(msg);
stream.Write(content, 0, content.Length);
}
}
}
}
