diff --git a/src/cpp/HTTPInterface/AdminTopicPage.cpp b/src/cpp/HTTPInterface/AdminTopicPage.cpp
index f3f2b6f11..6b4c59e2f 100644
--- a/src/cpp/HTTPInterface/AdminTopicPage.cpp
+++ b/src/cpp/HTTPInterface/AdminTopicPage.cpp
@@ -12,8 +12,13 @@
 	#include "../controller/Group.h"
 	#include "../SingletonManager/SessionManager.h"
 	#include "../ServerConfig.h"
+	
 	#include "../lib/DataTypeConverter.h"
+	#include "../lib/Profiler.h"
+	#include "../lib/Success.h"
+	
 	#include "Poco/Timespan.h"
+	#include "Poco/URI.h"
 #line 1 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\header_large.cpsp"
 
 #include "../ServerConfig.h"
@@ -33,11 +38,12 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	if (_compressResponse) response.set("Content-Encoding", "gzip");
 
 	Poco::Net::HTMLForm form(request, request.stream());
-#line 16 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 21 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 
 	const char* pageName = "Topic";
 	auto user = mSession->getNewUser();
 	auto sm = SessionManager::getInstance();
+	Profiler hedera_time;
 	
 	std::string name = "";
 	int auto_renew_account = 0;
@@ -45,8 +51,48 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	
 	int group_id = 0;
 	
+	Poco::URI uri(request.getURI());
+	auto uri_query = uri.getQueryParameters();
+	std::string action = "";
+	Poco::AutoPtr<controller::HederaTopic> query_hedera_topic;
 	
-	if(!form.empty()) {
+	// parsing get query params
+	if(uri_query.size() >= 2) {
+		if(uri_query[0].first == "action") {
+			action = uri_query[0].second;
+		}
+		if(uri_query[1].first == "topic_id") {
+			std::string topic_id_from_query;
+			int topic_id = 0;
+			topic_id_from_query = uri_query[1].second;
+			if(DataTypeConverter::strToInt(topic_id_from_query, topic_id) != DataTypeConverter::NUMBER_PARSE_OKAY) {
+				addError(new Error("Int Convert Error", "Error converting topic_id_from_query to int"));
+			} else {
+				auto hedera_topic = controller::HederaTopic::load(topic_id);
+				if(hedera_topic.isNull()) {
+					addError(new Error("Action", "hedera topic not found"));
+				} else {
+				  query_hedera_topic = hedera_topic;
+				}
+			}
+		}
+	}
+	// actions
+	if(!query_hedera_topic.isNull()) 
+	{
+		if(action == "getTopicInfos") 
+		{
+			hedera_time.reset();
+			if(query_hedera_topic->updateWithGetTopicInfos(user)) {
+				addNotification(new ParamSuccess("Hedera", "hedera get topic infos success in ", hedera_time.string()));
+			} else {
+				addError(new ParamError("Hedera", "hedera get topic infos failed in ", hedera_time.string()));
+			}
+			getErrors(query_hedera_topic);
+		} 
+	}
+	else if(!form.empty()) 
+	{
 		name = form.get("topic-name", "");
 		auto auto_renew_account_string = form.get("topic-auto-renew-account", "0");
 		auto auto_renew_period_string = form.get("topic-auto-renew-period", "604800");
@@ -162,7 +208,7 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t}\n";
 	responseStream << "\t\n";
 	responseStream << "</style>\n";
-#line 87 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 133 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( getErrorsHtml() );
 	responseStream << "\n";
 	responseStream << "<div class=\"content-container info-container\">\n";
@@ -187,7 +233,7 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t\t\t\t<div class=\"cell header-cell c5\">Aktionen</div>\n";
 	responseStream << "\t\t\t</div>\n";
 	responseStream << "\t\t\t";
-#line 109 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 155 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  for(auto it = hedera_topics.begin(); it != hedera_topics.end(); it++) {
 					auto hedera_topic_model = (*it)->getModel();  
 					auto updateUrl = ServerConfig::g_serverPath + "/topic?action=getTopicInfos&topic_id=" + std::to_string(hedera_topic_model->getID());
@@ -202,47 +248,47 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 						responseStream << "\n";
 	responseStream << "\t\t\t\t<div class=\"row\">\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c2\">";
-#line 122 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 168 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( (*it)->getTopicHederaId()->getModel()->toString() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c3\">";
-#line 123 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 169 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getName() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c3\">";
-#line 124 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 170 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( model::table::HederaAccount::hederaNetworkTypeToString(renew_account_model->getNetworkType()) );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c4\">";
-#line 125 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 171 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( renew_account_model->getBalanceString() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c4\">";
-#line 126 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 172 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getAutoRenewPeriodString() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c3\">";
-#line 127 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 173 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getGroupId() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c3 ";
-#line 128 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 174 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( timeout_color );
 	responseStream << "\">";
-#line 128 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 174 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getCurrentTimeoutString() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c2\">";
-#line 129 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 175 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getSequenceNumber() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c3\">";
-#line 130 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 176 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( hedera_topic_model->getUpdatedString() );
 	responseStream << "</div>\n";
 	responseStream << "\t\t\t\t\t<div class=\"cell c5\">\n";
 	responseStream << "\t\t\t\t\t\t<button class=\"form-button\" title=\"Query on Hedera, cost some fees\" onclick=\"window.location.href='";
-#line 132 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 178 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( updateUrl );
 	responseStream << "'\"  >\n";
 	responseStream << "\t\t\t\t\t\t\tget topic infos\n";
@@ -250,7 +296,7 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t\t\t\t\t</div>\n";
 	responseStream << "\t\t\t\t</div>\n";
 	responseStream << "\t\t\t";
-#line 137 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 183 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  } 	responseStream << "\n";
 	responseStream << "\t\t</div>\n";
 	responseStream << "\t</div>\n";
@@ -259,72 +305,72 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	responseStream << "\t</div>\n";
 	responseStream << "\t<div class=\"center-form-form\">\n";
 	responseStream << "\t\t<form method=\"POST\" action=\"";
-#line 144 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 190 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( ServerConfig::g_serverPath );
 	responseStream << "/topic\">\n";
 	responseStream << "\t\t\t<label class=\"form-label\" for=\"topic-name\">Name</label>\n";
 	responseStream << "\t\t\t<input type=\"text\" class=\"form-control\" id=\"topic-name\" name=\"topic-name\" value=\"";
-#line 146 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 192 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( name );
 	responseStream << "\">\n";
 	responseStream << "\t\t\t<label class=\"form-label\" for=\"topic-auto-renew-account\">Auto Renew Hedera Account</label>\n";
 	responseStream << "\t\t\t<select name=\"topic-auto-renew-account\" id=\"topic-auto-renew-account\">\n";
 	responseStream << "\t\t\t\t";
-#line 149 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 195 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  for(auto it = hedera_accounts.begin(); it != hedera_accounts.end(); it++) { 
 					auto model = (*it)->getModel();
 					responseStream << "\n";
 	responseStream << "\t\t\t\t\t<option title=\"";
-#line 152 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 198 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( model->toString() );
 	responseStream << "\" value=\"";
-#line 152 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 198 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( model->getID() );
 	responseStream << "\" ";
-#line 152 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 198 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  if(auto_renew_account == model->getID()) {	responseStream << "selected=\"selected\"";
-#line 152 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 198 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  } 	responseStream << ">";
-#line 152 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 198 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( (*it)->toShortSelectOptionName() );
 	responseStream << "</option>\n";
 	responseStream << "\t\t\t\t";
-#line 153 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 199 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  } 	responseStream << "\n";
 	responseStream << "\t\t\t</select>\n";
 	responseStream << "\t\t\t<label class=\"form-label\" for=\"topic-auto-renew-period\">Auto Renew Period in seconds</label>\n";
 	responseStream << "\t\t\t<div><input class=\"form-control input-40\" id=\"topic-auto-renew-period\" value=\"";
-#line 156 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 202 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( auto_renew_period );
 	responseStream << "\" type=\"number\" name=\"topic-auto-renew-period\"/><span style=\"margin-left:8px\" id=\"readable-auto-renew-period\"></span><div>\n";
 	responseStream << "\t\t\t<label class=\"form-label\" for=\"topic-group\">Group</label>\n";
 	responseStream << "\t\t\t<select class=\"form-control\" name=\"topic-group\" id=\"topic-group\">\t\t\t\n";
 	responseStream << "\t\t\t\t<option value=\"-1\">Keine Gruppe</option>\n";
 	responseStream << "\t\t\t\t";
-#line 160 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 206 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  for(auto it = groups.begin(); it != groups.end(); it++) { 
 					auto group_model = (*it)->getModel(); 	responseStream << "\n";
 	responseStream << "\t\t\t\t\t<option title=\"";
-#line 162 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 208 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( group_model->getDescription() );
 	responseStream << "\" value=\"";
-#line 162 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 208 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( group_model->getID() );
 	responseStream << "\" ";
-#line 162 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 208 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  if(group_id == group_model->getID()) {	responseStream << "selected=\"selected\"";
-#line 162 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 208 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  } 	responseStream << ">";
-#line 162 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 208 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( group_model->getName() );
 	responseStream << "</option>\n";
 	responseStream << "\t\t\t\t";
-#line 163 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 209 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
  } 	responseStream << "\n";
 	responseStream << "\t\t\t</select>\n";
 	responseStream << "\t\t\t\n";
 	responseStream << "\t\t\t<input class=\"center-form-submit form-button\" type=\"submit\" name=\"submit\" value=\"";
-#line 166 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 212 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( gettext("Add Topic") );
 	responseStream << "\">\n";
 	responseStream << "\t\t</form>\n";
@@ -355,7 +401,7 @@ void AdminTopicPage::handleRequest(Poco::Net::HTTPServerRequest& request, Poco::
 	// end include footer.cpsp
 	responseStream << "\n";
 	responseStream << "<script type=\"text/javascript\" src=\"";
-#line 171 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
+#line 217 "F:\\Gradido\\gradido_login_server\\src\\cpsp\\adminTopic.cpsp"
 	responseStream << ( ServerConfig::g_php_serverPath );
 	responseStream << "/js/time_calculations.js\"></script>\n";
 	responseStream << "<script type=\"text/javascript\">\n";
diff --git a/src/cpp/controller/HederaRequest.cpp b/src/cpp/controller/HederaRequest.cpp
index 23452f85b..00c4d3717 100644
--- a/src/cpp/controller/HederaRequest.cpp
+++ b/src/cpp/controller/HederaRequest.cpp
@@ -63,7 +63,15 @@ HederaRequestReturn HederaRequest::request(model::hedera::Query* query, model::h
 	}
 	if (status.ok()) 
 	{
-		return HEDERA_REQUEST_RETURN_OK;
+		auto response_code = response->getResponseCode();
+		if (response_code) {
+			addError(new ParamError("Hedera Request", "precheck code: ", proto::ResponseCodeEnum_Name(response_code)));
+			return HEDERA_REQUEST_PRECHECK_ERROR;
+		}
+		else {
+			return HEDERA_REQUEST_RETURN_OK;
+		}
+		
 	}
 	else if("" != queryName) 
 	{
diff --git a/src/cpp/controller/HederaRequest.h b/src/cpp/controller/HederaRequest.h
index 56adf3c79..22cffdcc9 100644
--- a/src/cpp/controller/HederaRequest.h
+++ b/src/cpp/controller/HederaRequest.h
@@ -21,6 +21,7 @@ enum HederaRequestReturn
 {
 	HEDERA_REQUEST_RETURN_OK,
 	HEDERA_REQUEST_RETURN_PARSE_ERROR,
+	HEDERA_REQUEST_PRECHECK_ERROR,
 	HEDERA_REQUEST_RETURN_ERROR,
 	HEDERA_REQUEST_UNKNOWN_TRANSACTION,
 	HEDERA_REQUEST_UNKNOWN_QUERY,
diff --git a/src/cpp/controller/HederaTopic.cpp b/src/cpp/controller/HederaTopic.cpp
index da53d4889..8a8ab9661 100644
--- a/src/cpp/controller/HederaTopic.cpp
+++ b/src/cpp/controller/HederaTopic.cpp
@@ -1,5 +1,7 @@
 #include "HederaTopic.h"
 //#include "../model/hedera/Transaction.h"
+#include "HederaRequest.h"
+#include "../lib/Success.h"
 
 namespace controller {
 	HederaTopic::HederaTopic(model::table::HederaTopic* dbModel)
@@ -37,6 +39,15 @@ namespace controller {
 		return resultVector;
 	}
 
+	Poco::AutoPtr<HederaTopic> HederaTopic::load(int id)
+	{
+		auto db = new model::table::HederaTopic;
+		if (1 == db->loadFromDB("id", id)) {
+			return new HederaTopic(db);
+		}
+		return nullptr;
+	}
+
 	Poco::AutoPtr<HederaId> HederaTopic::getTopicHederaId()
 	{
 		if (mTopicHederaId.isNull()) {
@@ -57,4 +68,57 @@ namespace controller {
 	{
 		return 0;
 	}
+
+	bool HederaTopic::updateWithGetTopicInfos(Poco::AutoPtr<User> user)
+	{
+		auto payer_account = getAutoRenewAccount();
+		auto node_server = NodeServer::pick(payer_account->getModel()->getNetworkType(), getModel()->getGroupId());
+		auto query = model::hedera::Query::getTopicInfo(getTopicHederaId(), payer_account->getHederaId(), node_server);
+		query->setResponseType(proto::ANSWER_ONLY);
+		model::hedera::Response response;
+		HederaRequest request;
+		query->sign(payer_account->getCryptoKey()->getKeyPair(user));
+		if (HEDERA_REQUEST_RETURN_OK == request.request(query, &response)) {
+			auto queryCost = response.getQueryCost();
+			printf("query cost: %d\n", queryCost);
+
+			query->setTransactionFee(queryCost);
+			query->setResponseType(proto::ANSWER_ONLY);
+			query->sign(payer_account->getCryptoKey()->getKeyPair(user));
+	
+
+			if (HEDERA_REQUEST_RETURN_OK == request.request(query, &response)) {
+				auto consensus_topic_info = response.getConsensusTopicInfo();
+				addNotification(new ParamSuccess("consensus get topic info", "memo: ", consensus_topic_info->getMemo()));
+				auto model = getModel();
+				model->setAutoRenewPeriod(consensus_topic_info->getAutoRenewPeriod().seconds());
+				model->setCurrentTimeout(consensus_topic_info->getExpirationTime());
+				model->setSequeceNumber(consensus_topic_info->getSequenceNumber());
+				std::string fieldNames[] = { "auto_renew_period", "current_timeout", "sequence_number" };
+				if (model->updateIntoDB(
+					fieldNames,
+					model->getAutoRenewPeriod(),
+					model->getCurrentTimeout(),
+					model->getSequenceNumber()
+				) != 1) {
+					addError(new Error("DB", "error saving changes in DB"));
+					getErrors(model);
+					return false;
+				}
+				return true;
+				
+			}
+			else {
+				addError(new Error("Hedera Query", "Error by query for consensus get topic info"));
+			}
+		
+		}
+		else {
+			addError(new Error("Hedera Query", "Error by getting costs for consensus get topic info"));
+		}
+		
+		getErrors(&request);
+		return false;
+		
+	}
 }
\ No newline at end of file
diff --git a/src/cpp/controller/HederaTopic.h b/src/cpp/controller/HederaTopic.h
index e12b2c210..cd08bbd0e 100644
--- a/src/cpp/controller/HederaTopic.h
+++ b/src/cpp/controller/HederaTopic.h
@@ -17,7 +17,7 @@
 
 
 namespace controller {
-	class HederaTopic : public TableControllerBase
+	class HederaTopic : public TableControllerBase, public NotificationList
 	{
 	public:
 
@@ -25,13 +25,17 @@ namespace controller {
 
 		static Poco::AutoPtr<HederaTopic> create(const std::string& name, int autoRenewAccountId, int autoRenewPeriod, int groupId);
 		static std::vector<Poco::AutoPtr<HederaTopic>> listAll();
+		static Poco::AutoPtr<HederaTopic> load(int id);
 		//! \brief hedera call to create a hedera topic
 		Poco::UInt64 hederaCreateTopic();
+		bool updateWithGetTopicInfos(Poco::AutoPtr<User> user);
 
 		inline bool deleteFromDB() { return mDBModel->deleteFromDB(); }
 		Poco::AutoPtr<HederaId> getTopicHederaId();
 		Poco::AutoPtr<HederaAccount> getAutoRenewAccount();
 
+		
+
 		inline Poco::AutoPtr<model::table::HederaTopic> getModel() { return _getModel<model::table::HederaTopic>(); }
 
 
diff --git a/src/cpp/controller/NodeServer.cpp b/src/cpp/controller/NodeServer.cpp
index 625e61dad..742f57bea 100644
--- a/src/cpp/controller/NodeServer.cpp
+++ b/src/cpp/controller/NodeServer.cpp
@@ -73,6 +73,13 @@ namespace controller {
 	ORDER BY RAND()
 	LIMIT 1;
 	*/
+	NodeServerConnection NodeServer::pick(model::table::HederaNetworkType type, int group_id /*= 0*/)
+	{
+		model::table::NodeServerType node_server_type = model::table::NODE_SERVER_NONE;
+		if (model::table::HEDERA_MAINNET) node_server_type = model::table::NODE_SERVER_HEDERA_MAINNET_NODE;
+		else if (model::table::HEDERA_TESTNET) node_server_type = model::table::NODE_SERVER_HEDERA_TESTNET_NODE;
+		return pick(node_server_type, group_id);
+	}
 	NodeServerConnection NodeServer::pick(model::table::NodeServerType type, int group_id/* = 0*/)
 	{
 		auto cm = ConnectionManager::getInstance();
diff --git a/src/cpp/controller/NodeServer.h b/src/cpp/controller/NodeServer.h
index 6945ac949..cdaf01c21 100644
--- a/src/cpp/controller/NodeServer.h
+++ b/src/cpp/controller/NodeServer.h
@@ -41,6 +41,7 @@ namespace controller {
 		static std::vector<Poco::AutoPtr<NodeServer>> load(model::table::NodeServerType type, int group_id = 0);		
 		static std::vector<Poco::AutoPtr<NodeServer>> listAll();
 		// pick server randomly
+		static NodeServerConnection pick(model::table::HederaNetworkType type, int group_id = 0);
 		static NodeServerConnection pick(model::table::NodeServerType type, int group_id = 0);
 		inline bool deleteFromDB() { return mDBModel->deleteFromDB(); }
 
diff --git a/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.cpp b/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.cpp
deleted file mode 100644
index f99d82934..000000000
--- a/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.cpp
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "ConsensusGetTopicInfoResponse.h"
-
-namespace model {
-	namespace hedera {
-		ConsensusGetTopicInfoResponse::ConsensusGetTopicInfoResponse()
-		{
-
-		}
-
-		ConsensusGetTopicInfoResponse::~ConsensusGetTopicInfoResponse()
-		{
-
-		}
-	}
-}
\ No newline at end of file
diff --git a/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.h b/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.h
deleted file mode 100644
index 63b837101..000000000
--- a/src/cpp/model/hedera/ConsensusGetTopicInfoResponse.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#ifndef __GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
-#define __GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
-
-#include "../proto/hedera/ConsensusGetTopicInfo.pb.h"
-
-namespace model
-{
-	namespace hedera
-	{
-		class ConsensusGetTopicInfoResponse
-		{
-		public:
-			ConsensusGetTopicInfoResponse();
-			~ConsensusGetTopicInfoResponse();
-
-		protected:
-			proto::ConsensusGetTopicInfoResponse mProto;
-		};
-	}
-}
-
-#endif //__GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
\ No newline at end of file
diff --git a/src/cpp/model/hedera/ConsensusTopicInfo.cpp b/src/cpp/model/hedera/ConsensusTopicInfo.cpp
new file mode 100644
index 000000000..1a7519fbb
--- /dev/null
+++ b/src/cpp/model/hedera/ConsensusTopicInfo.cpp
@@ -0,0 +1,26 @@
+#include "ConsensusTopicInfo.h"
+
+namespace model {
+	namespace hedera {
+		ConsensusTopicInfo::ConsensusTopicInfo(const proto::ConsensusTopicInfo& consensusTopicInfo)
+			: mProto(consensusTopicInfo)
+		{
+			int zahl = 1;
+		}
+
+		ConsensusTopicInfo::~ConsensusTopicInfo()
+		{
+
+		}
+
+		MemoryBin* ConsensusTopicInfo::getRunningHashCopy() const
+		{
+			auto mm = MemoryManager::getInstance();
+			auto running_hash = mProto.runninghash();
+			auto running_hash_bin = mm->getFreeMemory(running_hash.size());
+			memcpy(*running_hash_bin, running_hash.data(), running_hash.size());
+			return running_hash_bin;
+		}
+
+	}
+}
\ No newline at end of file
diff --git a/src/cpp/model/hedera/ConsensusTopicInfo.h b/src/cpp/model/hedera/ConsensusTopicInfo.h
new file mode 100644
index 000000000..2b1a8338c
--- /dev/null
+++ b/src/cpp/model/hedera/ConsensusTopicInfo.h
@@ -0,0 +1,31 @@
+#ifndef __GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
+#define __GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
+
+#include "../proto/hedera/ConsensusTopicInfo.pb.h"
+#include "../SingletonManager/MemoryManager.h"
+#include "../../lib/DataTypeConverter.h"
+#include "Poco/DateTime.h"
+
+namespace model
+{
+	namespace hedera
+	{
+		class ConsensusTopicInfo
+		{
+		public:
+			ConsensusTopicInfo(const proto::ConsensusTopicInfo& consensusTopicInfo);
+			~ConsensusTopicInfo();
+
+			inline std::string getMemo() const { return mProto.memo(); }
+			MemoryBin* getRunningHashCopy() const;
+			Poco::UInt64 getSequenceNumber() const { return mProto.sequencenumber(); }
+			inline Poco::DateTime getExpirationTime() const { return DataTypeConverter::convertFromProtoTimestamp(mProto.expirationtime());}
+			inline Poco::Timespan getAutoRenewPeriod() const { return DataTypeConverter::convertFromProtoDuration(mProto.autorenewperiod()); }
+
+		protected:
+			proto::ConsensusTopicInfo mProto;
+		};
+	}
+}
+
+#endif //__GRADIDO_LOGIN_SERVER_MODEL_HEDERA_CONSENSUS_GET_TOPIC_INFO_RESPONSE_H
\ No newline at end of file
diff --git a/src/cpp/model/hedera/Query.cpp b/src/cpp/model/hedera/Query.cpp
index c478a96ff..ad118c0f1 100644
--- a/src/cpp/model/hedera/Query.cpp
+++ b/src/cpp/model/hedera/Query.cpp
@@ -27,6 +27,8 @@ namespace model {
 		
 			assert(!accountId.isNull() && accountId->getModel());
 
+			printf("[Query::getBalance] account id: %s\n", accountId->getModel()->toString().data());
+
 			auto query = new Query;
 			auto get_account_balance = query->mQueryProto.mutable_cryptogetaccountbalance();
 			accountId->copyToProtoAccountId(get_account_balance->mutable_accountid());
@@ -53,6 +55,9 @@ namespace model {
 			assert(!topicId.isNull() && topicId->getModel());
 			assert(!payerAccountId.isNull() && payerAccountId->getModel());
 
+			printf("[Query::getBalance] topic id: %s\n", topicId->getModel()->toString().data());
+			printf("[Query::getBalance] payer account id: %s\n", payerAccountId->getModel()->toString().data());
+
 			auto query = new Query;
 			auto get_topic_info = query->mQueryProto.mutable_consensusgettopicinfo();
 			topicId->copyToProtoTopicId(get_topic_info->mutable_topicid());
@@ -64,7 +69,7 @@ namespace model {
 			CryptoTransferTransaction crypto_transaction;
 			// 0.002809 Hashbars
 			// fee from https://www.hedera.com/fees
-			crypto_transaction.addSender(payerAccountId, -2809);
+			crypto_transaction.addSender(payerAccountId, 2809);
 			crypto_transaction.addReceiver(connection.hederaId, 2809);
 			query->mTransactionBody->setCryptoTransfer(crypto_transaction);
 
diff --git a/src/cpp/model/hedera/Response.cpp b/src/cpp/model/hedera/Response.cpp
index d0a88ad94..3e497daa4 100644
--- a/src/cpp/model/hedera/Response.cpp
+++ b/src/cpp/model/hedera/Response.cpp
@@ -20,6 +20,14 @@ namespace model {
 			return 0;
 		}
 
+		std::unique_ptr<ConsensusTopicInfo> Response::getConsensusTopicInfo()
+		{
+			if (mResponseProto.has_consensusgettopicinfo()) {
+				return std::make_unique<ConsensusTopicInfo>(mResponseProto.consensusgettopicinfo().topicinfo());
+			}
+			return nullptr;
+		}
+
 		Poco::UInt64 Response::getQueryCost()
 		{
 			proto::ResponseHeader* response_header = nullptr;
@@ -41,6 +49,10 @@ namespace model {
 				auto balance_response = mResponseProto.cryptogetaccountbalance();
 				return balance_response.header().nodetransactionprecheckcode();
 			}
+			else if (mResponseProto.has_consensusgettopicinfo()) {
+				auto response = mResponseProto.consensusgettopicinfo();
+				return response.header().nodetransactionprecheckcode();
+			}
 			return proto::NOT_SUPPORTED;
 		}
 	}
diff --git a/src/cpp/model/hedera/Response.h b/src/cpp/model/hedera/Response.h
index 89599b8c4..bea86d27a 100644
--- a/src/cpp/model/hedera/Response.h
+++ b/src/cpp/model/hedera/Response.h
@@ -11,7 +11,7 @@
 */
 
 #include "../../proto/hedera/Response.pb.h"
-#include "ConsensusGetTopicInfoResponse.h"
+#include "ConsensusTopicInfo.h"
 #include "Poco/Types.h"
 
 namespace model {
@@ -24,9 +24,10 @@ namespace model {
 			
 			inline proto::Response* getResponsePtr() { return &mResponseProto; }
 			Poco::UInt64 getAccountBalance();
+			std::unique_ptr<ConsensusTopicInfo> getConsensusTopicInfo();
 			Poco::UInt64 getQueryCost();
 			proto::ResponseCodeEnum getResponseCode();
-
+			
 
 			inline bool isCryptoGetAccountBalanceResponse() { return mResponseProto.has_cryptogetaccountbalance(); }
 			inline bool isConsensusGetTopicInfoResponse() { return mResponseProto.has_consensusgettopicinfo(); }
diff --git a/src/cpp/model/table/HederaTopic.h b/src/cpp/model/table/HederaTopic.h
index dc470ed1e..c7fef3cf9 100644
--- a/src/cpp/model/table/HederaTopic.h
+++ b/src/cpp/model/table/HederaTopic.h
@@ -36,6 +36,7 @@ namespace model {
 			inline void setTopicHederaID(Poco::UInt32 topidHederaId) { mTopicHederaId = topidHederaId;}
 			inline void setSequeceNumber(Poco::UInt64 sequenceNumber) { mSequenceNumber = sequenceNumber; }
 			inline void setCurrentTimeout(Poco::DateTime currentTimeOut) { mCurrentTimeout = currentTimeOut; }
+			inline void setAutoRenewPeriod(Poco::UInt32 autoRenewPeriod) { mAutoRenewPeriod = autoRenewPeriod; }
 
 		protected:
 			Poco::Data::Statement _loadFromDB(Poco::Data::Session session, const std::string& fieldName);
diff --git a/src/cpp/model/table/ModelBase.h b/src/cpp/model/table/ModelBase.h
index 262d016b8..429e031b1 100644
--- a/src/cpp/model/table/ModelBase.h
+++ b/src/cpp/model/table/ModelBase.h
@@ -36,6 +36,10 @@ namespace model {
 			
 			template<class T> 
 			size_t updateIntoDB(const std::string& fieldName, const T& fieldValue );
+			template<class T1, class T2>
+			size_t updateIntoDB(std::string fieldNames[2], const T1& fieldValue1, const T2& fieldValue2);
+			template<class T1, class T2, class T3>
+			size_t updateIntoDB(std::string fieldNames[3], const T1& fieldValue1, const T2& fieldValue2, const T3& fieldValue3);
 			template<class T> 
 			size_t loadFromDB(const std::string& fieldName, const T& fieldValue);
 			template<class T>
@@ -274,6 +278,82 @@ namespace model {
 			return resultCount;
 	
 		}
+		template<class T1, class T2>
+		size_t ModelBase::updateIntoDB(std::string fieldNames[2], const T1& fieldValue1, const T2& fieldValue2)
+		{
+			auto cm = ConnectionManager::getInstance();
+			Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
+			auto session = cm->getConnection(CONNECTION_MYSQL_LOGIN_SERVER);
+			Poco::Data::Statement update(session);
+
+			if (mID == 0) {
+				addError(new Error("ModelBase::updateIntoDB", "id is zero"));
+				return 0;
+			}
+
+			update << "UPDATE " << getTableName();
+			for (int i = 0; i < 2; i++) {
+				update << "SET " << fieldNames[i] << " = ? ";
+			}
+			update << "WHERE id = ?"
+			, Poco::Data::Keywords::bind(fieldValue1), Poco::Data::Keywords::bind(fieldValue2)
+			, Poco::Data::Keywords::bind(mID);
+
+
+			size_t resultCount = 0;
+			try {
+				resultCount = update.execute();
+			}
+			catch (Poco::Exception& ex) {
+				lock();
+				addError(new ParamError(getTableName(), "mysql error by update 2", ex.displayText()));
+				for (int i = 0; i < 2; i++) {
+					addError(new ParamError(getTableName(), "field name for update: ", fieldNames[i]));
+				}
+
+				unlock();
+			}
+			return resultCount;
+		}
+		template<class T1, class T2, class T3>
+		size_t ModelBase::updateIntoDB(std::string fieldNames[3], const T1& fieldValue1, const T2& fieldValue2, const T3& fieldValue3)
+		{
+			auto cm = ConnectionManager::getInstance();
+			Poco::ScopedLock<Poco::Mutex> _lock(mWorkMutex);
+			auto session = cm->getConnection(CONNECTION_MYSQL_LOGIN_SERVER);
+			Poco::Data::Statement update(session);
+
+			if (mID == 0) {
+				addError(new Error("ModelBase::updateIntoDB", "id is zero"));
+				return 0;
+			}
+
+			update << "UPDATE " << getTableName();
+			for (int i = 0; i < 3; i++) {
+				update << "SET " << fieldNames[i] << " = ? ";
+			}
+			update << "WHERE id = ?"
+				, Poco::Data::Keywords::bind(fieldValue1), Poco::Data::Keywords::bind(fieldValue2), Poco::Data::Keywords::bind(fieldValue3)
+				, Poco::Data::Keywords::bind(mID);
+
+
+			size_t resultCount = 0;
+			try {
+				resultCount = update.execute();
+			}
+			catch (Poco::Exception& ex) {
+				lock();
+				addError(new ParamError(getTableName(), "mysql error by update 3", ex.displayText()));
+				for (int i = 0; i < 3; i++) {
+					addError(new ParamError(getTableName(), "field name for update: ", fieldNames[i]));
+				}
+
+				unlock();
+			}
+			return resultCount;
+		}
+
+		
 
 		// ******************** Generic Tasks ************************************
 
diff --git a/src/cpsp/adminTopic.cpsp b/src/cpsp/adminTopic.cpsp
index 82452f6a3..09c70fe82 100644
--- a/src/cpsp/adminTopic.cpsp
+++ b/src/cpsp/adminTopic.cpsp
@@ -10,13 +10,19 @@
 	#include "../controller/Group.h"
 	#include "../SingletonManager/SessionManager.h"
 	#include "../ServerConfig.h"
+	
 	#include "../lib/DataTypeConverter.h"
+	#include "../lib/Profiler.h"
+	#include "../lib/Success.h"
+	
 	#include "Poco/Timespan.h"
+	#include "Poco/URI.h"
 %>
 <%%
 	const char* pageName = "Topic";
 	auto user = mSession->getNewUser();
 	auto sm = SessionManager::getInstance();
+	Profiler hedera_time;
 	
 	std::string name = "";
 	int auto_renew_account = 0;
@@ -24,8 +30,48 @@
 	
 	int group_id = 0;
 	
+	Poco::URI uri(request.getURI());
+	auto uri_query = uri.getQueryParameters();
+	std::string action = "";
+	Poco::AutoPtr<controller::HederaTopic> query_hedera_topic;
 	
-	if(!form.empty()) {
+	// parsing get query params
+	if(uri_query.size() >= 2) {
+		if(uri_query[0].first == "action") {
+			action = uri_query[0].second;
+		}
+		if(uri_query[1].first == "topic_id") {
+			std::string topic_id_from_query;
+			int topic_id = 0;
+			topic_id_from_query = uri_query[1].second;
+			if(DataTypeConverter::strToInt(topic_id_from_query, topic_id) != DataTypeConverter::NUMBER_PARSE_OKAY) {
+				addError(new Error("Int Convert Error", "Error converting topic_id_from_query to int"));
+			} else {
+				auto hedera_topic = controller::HederaTopic::load(topic_id);
+				if(hedera_topic.isNull()) {
+					addError(new Error("Action", "hedera topic not found"));
+				} else {
+				  query_hedera_topic = hedera_topic;
+				}
+			}
+		}
+	}
+	// actions
+	if(!query_hedera_topic.isNull()) 
+	{
+		if(action == "getTopicInfos") 
+		{
+			hedera_time.reset();
+			if(query_hedera_topic->updateWithGetTopicInfos(user)) {
+				addNotification(new ParamSuccess("Hedera", "hedera get topic infos success in ", hedera_time.string()));
+			} else {
+				addError(new ParamError("Hedera", "hedera get topic infos failed in ", hedera_time.string()));
+			}
+			getErrors(query_hedera_topic);
+		} 
+	}
+	else if(!form.empty()) 
+	{
 		name = form.get("topic-name", "");
 		auto auto_renew_account_string = form.get("topic-auto-renew-account", "0");
 		auto auto_renew_period_string = form.get("topic-auto-renew-period", "604800");