async Task <string> CallMerchantApi(string serviceName, string actionName, string jsonParam) { //System.Diagnostics.Debugger.Break(); var svcs = m_Node.GetLocalServices(); if (svcs.InternalServices.ContainsKey(serviceName)) { var svc = svcs.InternalServices[serviceName]; object ret = await svc.LocalCall(actionName, jsonParam); if (ret != null) { return(ret.ToString()); } } else { m_Logger.Error("Merchant API service not found: " + serviceName + "|" + actionName); } return(null); }