/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="method"></param>
/// <param name="id"></param>
/// <param name="args"></param>
/// <returns></returns>
public async Task <JsonRpcResponse <T> > ExecuteAsync <T>(string method, int id, params object[] args)
{
var ps = new JsonRpcRequest()
{
Method = method,
Params = args,
Id = id
};
this.OnExecuting(new EventArgs <JsonRpcRequest>(ps));
var jsonOut = JsonConvert.SerializeObject(ps.Values);
var url = this.ServiceUrl;
try
{
string jsonRet = null;
JsonRpcResponse <T> ret = null;
using (var client = HttpClientHelper.GetHttpClientWithBasicAuth(url, _Connection.Username, _Connection.Password))
{
var httpContent = new StringContent(jsonOut, Encoding.UTF8, "application/json-rpc");
var request = new HttpRequestMessage
{
Method = HttpMethod.Post,
RequestUri = new Uri(url),
Content = httpContent,
};
var result = await client.SendAsync(request);
jsonRet = await result.Content.ReadAsStringAsync();
}
try
{
ret = JsonConvert.DeserializeObject <JsonRpcResponse <T> >(jsonRet);
}
catch (Exception jsonEx)
{
var errorResponse = JsonConvert.DeserializeObject <JsonRpcErrorResponse>(jsonRet);
throw new JsonRpcException(errorResponse.Error);
}
ret.Raw = jsonRet;
if (ret.Error == null && !ret.Id.HasValue && ret.Result == null)
{
ret = null;
}
return(ret);
}
catch (Exception ex) when(!(ex is JsonRpcException))
{
var nEXt = ex;
string errormsg = null;
while (nEXt != null)
{
if (nEXt is WebException)
{
var webEx = (WebException)nEXt;
if (webEx.Response != null)
{
HttpWebResponse resp = (HttpWebResponse)webEx.Response;
if (resp.StatusCode != HttpStatusCode.OK)
{
if (resp.ContentType != "application/json")
{
throw ex;
}
}
using (var stream = webEx.Response.GetResponseStream())
errormsg = new StreamReader(stream).ReadToEnd();
}
if (errormsg == null)
{
throw ex;
}
if (errormsg == "Forbidden")
{
throw ex;
}
break;
}
nEXt = nEXt.InnerException;
}
var errorResponse = JsonConvert.DeserializeObject <JsonRpcErrorResponse>(errormsg);
throw new JsonRpcException(errorResponse.Error);
}
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="method"></param>
/// <param name="id"></param>
/// <param name="args"></param>
/// <returns></returns>
public async Task <JsonRpcResponse <T> > ExecuteAsync <T>(string method, int id, params object[] args)
{
var ps = new JsonRpcRequest()
{
Method = method,
Params = args,
Id = id
};
this.OnExecuting(new EventArgs <JsonRpcRequest>(ps));
var jsonOut = JsonConvert.SerializeObject(ps.Values);
var url = this.ServiceUrl;
try
{
string jsonRet = null;
JsonRpcResponse <T> ret = null;
var request = WebRequest.CreateHttp(url);
request.ContentType = "application/json-rpc";
request.Credentials = this.GetCredentials();
request.Method = "POST";
//request.UserAgent = "LucidOcean.MultiChain {version 0}";
var bs = Encoding.UTF8.GetBytes(jsonOut);
using (var stream = await request.GetRequestStreamAsync())
{
stream.Write(bs, 0, bs.Length);
}
var response = await request.GetResponseAsync();
using (var stream = ((HttpWebResponse)response).GetResponseStream())
{
jsonRet = await new StreamReader(stream).ReadToEndAsync();
}
try
{
ret = JsonConvert.DeserializeObject <JsonRpcResponse <T> >(jsonRet);
}
catch (Exception jsonEx)
{
JsonRpcErrorResponse errorobj = JsonConvert.DeserializeObject <JsonRpcErrorResponse>(jsonRet);
throw new JsonRpcException($"({errorobj.Error.Code}) {errorobj.Error.Message}");
}
ret.Raw = jsonRet;
if (ret.Error == null && !ret.Id.HasValue && ret.Result == null)
{
ret = null;
}
return(ret);
}
catch (Exception ex) when(!(ex is JsonRpcException))
{
var nEXt = ex;
string errormsg = null;
while (nEXt != null)
{
if (nEXt is WebException)
{
var webEx = (WebException)nEXt;
if (webEx.Response != null)
{
HttpWebResponse resp = (HttpWebResponse)webEx.Response;
if (resp.StatusCode != HttpStatusCode.OK)
{
if (resp.ContentType != "application/json")
{
throw ex;
}
}
using (var stream = webEx.Response.GetResponseStream())
errormsg = new StreamReader(stream).ReadToEnd();
}
if (errormsg == null)
{
throw ex;
}
if (errormsg == "Forbidden")
{
throw ex;
}
break;
}
nEXt = nEXt.InnerException;
}
JsonRpcErrorResponse errorobj = JsonConvert.DeserializeObject <JsonRpcErrorResponse>(errormsg);
throw new JsonRpcException($"({errorobj.Error.Code}) {errorobj.Error.Message}");
}
}
