protected override async Task ProcessRequestAsync(HttpWebRequest request, Dictionary <string, object> payload)
{
var timestamp = TimeHelper.GetTotalMilliseconds().ToString();
payload?.Remove("method");
payload?.Remove("nonce");
string msg = CryptoUtility.GetFormForPayload(payload, false);
msg = string.Join("&", new SortedSet <string>(msg.Split('&'), StringComparer.Ordinal));
//var msg = payload?.Count > 0 ? string.Join("&", new SortedSet<string>(payload.Select(a => $"{a.Key}={a.Value}").ToList())) : "";
string signStr = (request.Method == "GET") ? $"{request.Method}{request.Address}{timestamp}" : $"{request.Method}{request.Address.AbsoluteUri}{timestamp}{msg}";
Debug.WriteLine(signStr);
var sig = CryptoUtility.SHA1SignBase64(signStr, PrivateApiKey.ToBytes());
request.Headers = new WebHeaderCollection()
{
{ "FC-ACCESS-KEY", PublicApiKey.ToUnsecureString() },
{ "FC-ACCESS-SIGNATURE", sig },
{ "FC-ACCESS-TIMESTAMP", timestamp }
};
if (request.Method == "POST")
{
request.ContentType = "application/json";
msg = CryptoUtility.GetJsonForPayload(payload);
await CryptoUtility.WriteToRequestAsync(request, msg);
}
else
{
request.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
}
}
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))
{
if (!payload.ContainsKey("method"))
{
return(url.Uri);
}
method = payload["method"].ToStringInvariant();
payload.Remove("method");
var dict = new Dictionary <string, object>
{
["Timestamp"] = DateTime.UtcNow.ToString("s"),
["AccessKeyId"] = PublicApiKey.ToUnsecureString(),
["SignatureMethod"] = "HmacSHA256",
["SignatureVersion"] = "2"
};
string msg = null;
if (method == "GET")
{
dict = dict.Concat(payload).ToDictionary(x => x.Key, x => x.Value);
}
msg = CryptoUtility.GetFormForPayload(dict, false);
// must sort case sensitive
msg = string.Join("&", new SortedSet <string>(msg.Split('&'), StringComparer.Ordinal));
StringBuilder sb = new StringBuilder();
sb.Append(method).Append("\n")
.Append(url.Host).Append("\n")
.Append(url.Path).Append("\n")
.Append(msg);
var sign = CryptoUtility.SHA256SignBase64(sb.ToString(), PrivateApiKey.ToBytes());
var signUrl = Uri.EscapeDataString(sign);
msg += $"&Signature={signUrl}";
// https://github.com/huobiapi/API_Docs_en/wiki/Signing_API_Requests
// API Authentication Change
var privateSign = GetPrivateSignatureStr(Passphrase.ToUnsecureString(), sign);
var privateSignUrl = Uri.EscapeDataString(privateSign);
msg += $"&PrivateSignature={privateSignUrl}";
url.Query = msg;
}
return(url.Uri);
}