func _jsonObjectToArg(ty reflect.Type, object interface{}) (reflect.Value, error) {
var err error
v := reflect.New(ty)
binary.ReadJSONObject(v.Interface(), object, &err)
if err != nil {
return v, err
}
v = v.Elem()
return v, nil
}
func Call(remote string, method string, params []interface{}, dest interface{}) (interface{}, error) {
// Make request and get responseBytes
request := RPCRequest{
JSONRPC: "2.0",
Method: method,
Params: params,
Id: 0,
}
requestBytes := binary.JSONBytes(request)
requestBuf := bytes.NewBuffer(requestBytes)
log.Debug(Fmt("RPC request to %v: %v", remote, string(requestBytes)))
httpResponse, err := http.Post(remote, "text/json", requestBuf)
if err != nil {
return dest, err
}
defer httpResponse.Body.Close()
responseBytes, err := ioutil.ReadAll(httpResponse.Body)
if err != nil {
return dest, err
}
log.Debug(Fmt("RPC response: %v", string(responseBytes)))
// Parse response into JSONResponse
response := RPCResponse{}
err = json.Unmarshal(responseBytes, &response)
if err != nil {
return dest, err
}
// Parse response into dest
resultJSONObject := response.Result
errorStr := response.Error
if errorStr != "" {
return dest, errors.New(errorStr)
}
dest = binary.ReadJSONObject(dest, resultJSONObject, &err)
return dest, err
}