diff --git a/src/app/main.cpp b/src/app/main.cpp
index 62ab6ea..10a4150 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -10,8 +10,9 @@ int main(int argc, char *argv[])
     QCoreApplication::setApplicationName("colnod-connector");
     QCoreApplication::setApplicationVersion("1.0");
     QCommandLineParser parser;
+    Logger *logger = Logger::getLogger();
     parser.setApplicationDescription("Dry mode");
-    QCommandLineOption dryModeOption("dryMode", "ColnodAPI", "Read-only mode, prints changes which normally be doing");
+    QCommandLineOption dryModeOption("dryMode", "ColnodAPI", "Read-only mode, prints changes which would normally be made");
     parser.addOption(dryModeOption);
     parser.process(app);
     auto *api = new ColnodAPI(true);          // parser.isSet(dryModeOption));
diff --git a/src/colnod/colnod.pri b/src/colnod/colnod.pri
index 51c711d..d9e86e2 100644
--- a/src/colnod/colnod.pri
+++ b/src/colnod/colnod.pri
@@ -6,6 +6,7 @@ SOURCES += \
     $$PWD/databasemanager.cpp \
     $$PWD/datamanager.cpp \
     $$PWD/entity.cpp \
+    $$PWD/logger.cpp \
     $$PWD/requestmanager.cpp \
     $$PWD/response.cpp \
     $$PWD/subject.cpp \
@@ -16,6 +17,7 @@ HEADERS += \
     $$PWD/databasemanager.h \
     $$PWD/datamanager.h \
     $$PWD/entity.h \
+    $$PWD/logger.h \
     $$PWD/requestmanager.h \
     $$PWD/response.h \
     $$PWD/subject.h \
diff --git a/src/colnod/colnodapi.h b/src/colnod/colnodapi.h
index 264320e..c287b6b 100644
--- a/src/colnod/colnodapi.h
+++ b/src/colnod/colnodapi.h
@@ -2,6 +2,7 @@
 
 #include "requestmanager.h"
 #include "datamanager.h"
+#include "logger.h"
 
 class ColnodAPI : public QObject
 {
diff --git a/src/colnod/databasemanager.cpp b/src/colnod/databasemanager.cpp
index 4d1f248..27a54d4 100644
--- a/src/colnod/databasemanager.cpp
+++ b/src/colnod/databasemanager.cpp
@@ -31,8 +31,8 @@ int DatabaseManager::saveSubject(Subject* subject, const QString& table)
         executeQuery(query);
         return -1;
     }
-    else
-    {
+    
+    
         query.prepare(QString("INSERT INTO %1 (id, description, last_update, name, pin) "
                               "VALUES (:id, :description, :last_update, :name, :pin)").arg(table));
         query.bindValue(":id", id);
@@ -42,7 +42,7 @@ int DatabaseManager::saveSubject(Subject* subject, const QString& table)
         query.bindValue(":pin", subject->getPin());
         executeQuery(query);
         return 1;
-    }
+    
 }
 
 // add or update token to DB
@@ -69,8 +69,8 @@ int DatabaseManager::saveToken(Token* token, const QString& table)
         executeQuery(query);
         return -1;
     }
-    else
-    {
+    
+    
         query.prepare(QString("INSERT INTO %1 (id, auth_errors, description, enabled, last_update, name, no_validity, time_to_live, token_bits, token_data, token_type, subject_id, last_modified, deleted) "
                       "VALUES (:id, :auth_errors, :description, :enabled, :last_update, :name, :no_validity, :time_to_live, :token_bits, :token_data, :token_type, :subject_id, :last_modified, :deleted)").arg(table));
         query.bindValue(":id", id);
@@ -89,7 +89,7 @@ int DatabaseManager::saveToken(Token* token, const QString& table)
         query.bindValue(":deleted", token->getDeleted());
         executeQuery(query);
         return 1;
-    }
+    
 }
 
 // add of update subject attributes
@@ -172,10 +172,10 @@ bool DatabaseManager::executeQuery(QSqlQuery &query) const
             query.exec();
         return true;
     }
-    else{
+    
         bool res = query.exec();
         return res;
-    }
+    
 }
 
 void DatabaseManager::dropTables()
@@ -270,3 +270,11 @@ void DatabaseManager::setLastUpdate(const QString& id, quint64 lastUpdate)
     executeQuery(query);
 }
 
+void DatabaseManager::log(QString msg)
+{
+    query.prepare("INSERT INTO logs (msg) VALUES (:msg)");
+    query.bindValue(":msg", msg);
+    query.exec();
+    //executeQuery(query);
+}
+
diff --git a/src/colnod/databasemanager.h b/src/colnod/databasemanager.h
index 84a654d..2e4ddb6 100644
--- a/src/colnod/databasemanager.h
+++ b/src/colnod/databasemanager.h
@@ -10,6 +10,7 @@
 #include "subject.h"
 #include "token.h"
 #include <QDateTime>
+//#include "logger.h"
 
 
 class DatabaseManager : public QObject
@@ -35,6 +36,8 @@ public:
 
     void setLastUpdate(const QString& id, quint64 lastUpdate);
 
+    void log(QString msg);
+
 private:
     bool checkIfExists(const QString& id, const QString& table);
     bool executeQuery(QSqlQuery &query) const;
diff --git a/src/colnod/datamanager.cpp b/src/colnod/datamanager.cpp
index bd221f2..e758a1d 100644
--- a/src/colnod/datamanager.cpp
+++ b/src/colnod/datamanager.cpp
@@ -3,10 +3,11 @@
 DataManager::DataManager(const bool &dryMode)
 {
     db = new DatabaseManager("192.168.1.94", "deloitte", "postgres", "34rjkciea12", dryMode);
+    //db = new DatabaseManager("localhost", "deloitte", "postgres", "34rjkciea12");
+    Logger::setDBMan(db);
     nextLastSync = db->getNow();
     lastSync = db->getLastSync();
     this->dryMode = dryMode;
-    //db = new DatabaseManager("localhost", "deloitte", "postgres", "34rjkciea12");
 }
 
 // load all tokens from colnod to comparing with working set from DB
@@ -105,6 +106,8 @@ void DataManager::fillSubjectsToUpdateDB()
 // load working set with subjest to delete from Colnod
 void DataManager::fillSubjectsToDeleteColnod(const QString& json)
 {
+    Logger::log("hello from dataManager :)");
+    Logger::logToDb("testing");
     QJsonDocument doc = QJsonDocument::fromJson(json.toUtf8());
     QJsonArray items = doc.object()["items"].toArray();
     if (!items.empty())
@@ -120,7 +123,7 @@ void DataManager::fillSubjectsToDeleteColnod(const QString& json)
     }
 }
 
-// load working set with tokens to delete from colnod
+// load working set with tokens to delete from DB
 void DataManager::fillTokensToDeleteColnod(const QString& json)
 {
     QJsonDocument doc = QJsonDocument::fromJson(json.toUtf8());
@@ -149,7 +152,8 @@ void DataManager::pushSubjectsToDB()
     if (subjectsToUpdateFromColnodToDB.contains("empty")) {
         return;
     }
-    int updated = 0, added = 0;
+    int updated = 0;
+    int added = 0;
     qInfo() << "Subjects in progress...";
     for (const auto& subject : subjectsToUpdateFromColnodToDB)
     {
@@ -170,7 +174,8 @@ void DataManager::pushTokensToDB()
         return;
     }
     filterTokensColnod();
-    int updated = 0, added = 0;
+    int updated = 0;
+    int added = 0;
     qInfo() << "Tokens in progress...";
     for (const auto& token : tokensToUpdateFromColnodToDB)
     {
@@ -181,6 +186,7 @@ void DataManager::pushTokensToDB()
     }
     qInfo() << added << " tokens added to DB";
     qInfo() << updated << " tokens updated to DB";
+
 }
 
 void DataManager::deleteSubjectsFromDB()
@@ -253,11 +259,11 @@ void DataManager::updateLastSync()
 // these to filter functions solve colision tokens -> remove when change on this token is earlier then change on the same token on the other side (Colnod/DB)
 void DataManager::filterTokensDB()
 {
-    for (auto token : tokensToUpdateFromDBToColnod)
+    for (const auto& token : tokensToUpdateFromDBToColnod)
     {
         QString id = token->idToStringWithoutBraces();
-        Q_ASSERT(token = allTokensFromColnod.value(id));        // if working sets are loading correctly equels should never happend
-        if (allTokensFromColnod.contains(id) && token < allTokensFromColnod.value(id))
+        Q_ASSERT(token != allTokensFromColnod.value(id));        // if working sets are loading correctly equels should never happend
+        if (allTokensFromColnod.contains(id) && *token < *allTokensFromColnod.value(id))
             tokensToUpdateFromDBToColnod.remove(id);
     }
 }
@@ -273,8 +279,7 @@ void DataManager::filterTokensColnod()
         auto tokenDB = new Token;
         tokenDB->fromSQLRecord(record);
         Q_ASSERT(tokenDB != token);
-        qDebug() << tokenDB->getLastModified() << " > " << token->getLastUpdate();
-        if (tokenDB > token)
+        if (*tokenDB > *token)
             tokensToUpdateFromColnodToDB.remove(id);
     }
 }
diff --git a/src/colnod/datamanager.h b/src/colnod/datamanager.h
index 2824ed8..7c036d1 100644
--- a/src/colnod/datamanager.h
+++ b/src/colnod/datamanager.h
@@ -6,6 +6,7 @@
 #include "databasemanager.h"
 #include <QJsonDocument>
 #include <qjsonarray.h>
+#include <logger.h>
 
 
 class DataManager : public QObject
diff --git a/src/colnod/entity.cpp b/src/colnod/entity.cpp
index d1d93cb..fcae765 100644
--- a/src/colnod/entity.cpp
+++ b/src/colnod/entity.cpp
@@ -40,19 +40,19 @@ QString Entity::idToStringWithoutBraces() const
 }
 
 void Entity::fromJSON(const QJsonObject &json) {
-    id = json.value("id").toString();
-    name = json.value("name").toString();
-    description = json.value("description").toString();
-    lastUpdate = json.value("lastUpdate").toDouble();
+    id = json["id"].toString();
+    name = json["name"].toString();
+    description = json["description"].toString();
+    lastUpdate = json["lastUpdate"].toDouble();
 }
 
 QJsonObject Entity::toJSON() const {
     QJsonObject json;
 
-    json.value("id") = this->idToStringWithoutBraces();
-    json.value("name") = name;
-    json.value("description") = description;
-    json.value("lastUpdate") = lastUpdate;
+    json["id"] = this->idToStringWithoutBraces();
+    json["name"] = name;
+    json["description"] = description;
+    json["lastUpdate"] = lastUpdate;
 
     return json;
 }
diff --git a/src/colnod/logger.cpp b/src/colnod/logger.cpp
new file mode 100644
index 0000000..431897d
--- /dev/null
+++ b/src/colnod/logger.cpp
@@ -0,0 +1,33 @@
+#include "logger.h"
+
+Logger::Logger()
+{
+    dbMan = nullptr;
+}
+
+Logger *Logger::getLogger()
+{
+    if (!logger)
+        logger = new Logger;
+    return logger;
+}
+
+void Logger::log(const QString& msg)
+{
+    qDebug() << msg;
+}
+
+void Logger::logToDb(const QString &msg)
+{
+    dbMan->log(msg);
+}
+
+void Logger::setDBMan(DatabaseManager *dbMan)
+{
+    Logger::dbMan = dbMan;
+}
+
+
+Logger *Logger::logger = nullptr;
+DatabaseManager *Logger::dbMan = nullptr;
+
diff --git a/src/colnod/logger.h b/src/colnod/logger.h
new file mode 100644
index 0000000..13e8494
--- /dev/null
+++ b/src/colnod/logger.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <QString>
+#include <QDebug>
+#include <QSqlDatabase>
+#include "databasemanager.h"
+
+
+class Logger
+{
+
+    static Logger *logger;
+
+    Logger();
+
+    static DatabaseManager *dbMan;
+
+public:
+    static Logger *getLogger();
+    static void log(const QString& msg);
+    static void logToDb(const QString& msg);
+    static void setDBMan(DatabaseManager* dbMan);
+
+
+private:
+
+};
+
diff --git a/src/colnod/requestmanager.h b/src/colnod/requestmanager.h
index 17b1bba..4d868ac 100644
--- a/src/colnod/requestmanager.h
+++ b/src/colnod/requestmanager.h
@@ -24,6 +24,7 @@
 
 #include "token.h"
 #include "response.h"
+#include "logger.h"
 
 class RequestManager : public QObject
 {
@@ -83,7 +84,7 @@ private:
     QJsonDocument config;
     QString authHeader;
     QString host = "https://192.168.1.3:8443";
-   // QString host = "https://localhost:8080";
+    //QString host = "https://localhost:8080";
 
     QString password = "spaceti1";
     QString user = "spaceti";
diff --git a/src/colnod/subject.cpp b/src/colnod/subject.cpp
index c5ef386..55e5999 100644
--- a/src/colnod/subject.cpp
+++ b/src/colnod/subject.cpp
@@ -16,21 +16,21 @@ QString Subject::getEmail() const {
 void Subject::fromJSON(const QJsonObject &json) {
     Entity::fromJSON(json);
 
-    attributes = json.value("attributes").toObject().value("items").toObject();
+    attributes = json["attributes"].toObject()["items"].toObject();
     for (const auto & attributeType : attributeTypes)
     {
         if (!attributes[attributeType].toString().isEmpty()){
             atr.append(qMakePair(attributeType, attributes[attributeType].toString()));
         }
     }
-    const auto &tokenFlagsArray = json.value("tokenFlags").toArray();
+    const auto &tokenFlagsArray = json["tokenFlags"].toArray();
     for(const auto &flag : tokenFlagsArray){
         tokenFlags.insert(flag.toString());
     }
 
-    pin = json.value("pin").toString();
+    pin = json["pin"].toString();
 
-    const auto &pinFlagsArray = json.value("pinFlags").toArray();
+    const auto &pinFlagsArray = json["pinFlags"].toArray();
     for(const auto &flag : pinFlagsArray){
         pinFlags.insert(flag.toString());
     }
@@ -41,10 +41,10 @@ QJsonObject Subject::toJSON() const {
     QJsonObject json = Entity::toJSON();
 
     QJsonObject items({{"items", attributes}});
-    json.value("atributes") = items;
-    json.value("tokenFlags") = QJsonArray::fromStringList(tokenFlags.toList());
-    json.value("pin") = pin;
-    json.value("pinFlags") = QJsonArray::fromStringList(pinFlags.toList());
+    json["atributes"] = items;
+    json["tokenFlags"] = QJsonArray::fromStringList(tokenFlags.toList());
+    json["pin"] = pin;
+    json["pinFlags"] = QJsonArray::fromStringList(pinFlags.toList());
 
     return json;
 }
diff --git a/src/colnod/token.cpp b/src/colnod/token.cpp
index 32315ce..001da85 100644
--- a/src/colnod/token.cpp
+++ b/src/colnod/token.cpp
@@ -26,32 +26,29 @@ Token::Token(const QString &name)
 void Token::fromJSON(const QJsonObject &json) {
     Entity::fromJSON(json);
 
-    tokenType = json.value("tokenType").toString();
-    tokenBits = json.value("tokenBits").toInt();
-    tokenData = json.value("tokenData").toString();
-    validFrom = json.value("validFrom").toDouble();
-    validTo = json.value("validTo").toDouble();
-    timeToLive = json.value("timeToLive").toInt();
+    tokenType = json["tokenType"].toString();
+    tokenBits = json["tokenBits"].toInt();
+    tokenData = json["tokenData"].toString();
+    timeToLive = json["timeToLive"].toInt();
     authErrors = json["authErrors"].toInt();
     const auto &flagsArray = json["flags"].toArray();
     for(const auto &flag : flagsArray){
         flags.insert(flag.toString());
     }
-    subjectId = json.value("subjectId").toString();
+    subjectId = json["subjectId"].toString();
 }
 
 QJsonObject Token::toJSON() const {
     QJsonObject json = Entity::toJSON();
-
-    json.value("tokenType") = tokenType;
-    json.value("tokenBits") = tokenBits;
-    json.value("tokenData") = tokenData;
-    json.value("validFrom") = validFrom;
-    json.value("validTo") = validTo;
-    json.value("timeToLive") = timeToLive;
-    json.value("authErrors") = authErrors;
-    json.value("flags") = QJsonArray::fromStringList(flags.toList());
-    json.value("subjectId") = subjectId.toString().mid(1,36);
+    json.insert("tokenType", tokenType);
+    json["tokenBits"] = tokenBits;
+    json["tokenType"] = tokenType;
+    json["tokenBits"] = tokenBits;
+    json["tokenData"] = tokenData;
+    json["timeToLive"] = timeToLive;
+    json["authErrors"] = authErrors;
+    json["flags"] = QJsonArray::fromStringList(flags.toList());
+    json["subjectId"] = subjectId.toString().mid(1,36);
 
     return json;
 }
@@ -104,22 +101,6 @@ void Token::setTokenData(const QString &tokenData) {
     Token::tokenData = tokenData;
 }
 
-quint64 Token::getValidFrom() const {
-    return validFrom;
-}
-
-void Token::setValidFrom(quint64 validFrom) {
-    Token::validFrom = validFrom;
-}
-
-quint64 Token::getValidTo() const {
-    return validTo;
-}
-
-void Token::setValidTo(quint64 validTo) {
-    Token::validTo = validTo;
-}
-
 int Token::getTimeToLive() const {
     return timeToLive;
 }
diff --git a/src/colnod/token.h b/src/colnod/token.h
index 452a6f7..fe6b665 100644
--- a/src/colnod/token.h
+++ b/src/colnod/token.h
@@ -19,7 +19,7 @@ public:
         return lToken.getLastModified() < rToken.getLastUpdate();
     }
     friend bool operator>(const Token &lToken, const Token &rToken){
-        return rToken.getLastModified() > lToken.getLastUpdate();
+        return lToken.getLastModified() > rToken.getLastUpdate();
     }
 
     const QString &getTokenType() const;
@@ -28,10 +28,6 @@ public:
     void setTokenBits(int tokenBits);
     const QString &getTokenData() const;
     void setTokenData(const QString &tokenData);
-    quint64 getValidFrom() const;
-    void setValidFrom(quint64 validFrom);
-    quint64 getValidTo() const;
-    void setValidTo(quint64 validTo);
     int getTimeToLive() const;
     void setTimeToLive(int timeToLive);
     int getAuthErrors() const;
@@ -55,8 +51,6 @@ private:
     QString tokenType;
     int tokenBits{};
     QString tokenData;
-    qint64 validFrom{};
-    qint64 validTo{};
     int timeToLive{};
     int authErrors{};
     QSet<QString> flags;
diff --git a/test/unitTests/complextest.cpp b/test/unitTests/complextest.cpp
index a489a1d..0bd7616 100644
--- a/test/unitTests/complextest.cpp
+++ b/test/unitTests/complextest.cpp
@@ -2,32 +2,33 @@
 
 void ComplexTest::initTestCase()
 {
-    auto reqMan1 = new RequestManager;
-    QList<QString> ids;
-    ids.append("582c982d-6fd7-4856-8548-7ce542791c7a");
-    ids.append("3ff23b41-3da3-4b33-82ce-d8e2d8c9a546");
-    Response* deleteTokensResp = reqMan1->deleteTokens(ids);
-    QSignalSpy deleteTokensRespSpy(deleteTokensResp, &Response::ready);
-    QCOMPARE(deleteTokensRespSpy.count(), 0);
-    deleteTokensRespSpy.wait(timeout);
-    QTest::qWait(2500);
+//    auto reqMan1 = new RequestManager;
+//    QList<QString> ids;
+//    ids.append("582c982d-6fd7-4856-8548-7ce542791c7a");
+//    ids.append("3ff23b41-3da3-4b33-82ce-d8e2d8c9a546");
+//    Response* deleteTokensResp = reqMan1->deleteTokens(ids);
+//    QSignalSpy deleteTokensRespSpy(deleteTokensResp, &Response::ready);
+//    QCOMPARE(deleteTokensRespSpy.count(), 0);
+//    deleteTokensRespSpy.wait(timeout);
+//    QTest::qWait(2500);
     start = QDateTime::currentMSecsSinceEpoch()-2000;
-    api = new ColnodAPI(true);
+    api = new ColnodAPI();
     qDebug() << start;
+
 }
 
 
 void ComplexTest::cleanupTestCase()
 {
-    QList<QString> ids;
-    ids.append("582c982d-6fd7-4856-8548-7ce542791c7a");
-    ids.append("3ff23b41-3da3-4b33-82ce-d8e2d8c9a546");
-    auto reqMan = new RequestManager;
-    Response* deleteTokensResp = reqMan->deleteTokens(ids);
-    QSignalSpy deleteTokensRespSpy(deleteTokensResp, &Response::ready);
-    QCOMPARE(deleteTokensRespSpy.count(), 0);
-    deleteTokensRespSpy.wait(timeout);
-    QCOMPARE(deleteTokensRespSpy.count(), 1);
+//    QList<QString> ids;
+//    ids.append("582c982d-6fd7-4856-8548-7ce542791c7a");
+//    ids.append("3ff23b41-3da3-4b33-82ce-d8e2d8c9a546");
+//    auto reqMan = new RequestManager;
+//    Response* deleteTokensResp = reqMan->deleteTokens(ids);
+//    QSignalSpy deleteTokensRespSpy(deleteTokensResp, &Response::ready);
+//    QCOMPARE(deleteTokensRespSpy.count(), 0);
+//    deleteTokensRespSpy.wait(timeout);
+//    QCOMPARE(deleteTokensRespSpy.count(), 1);
 }
 
 void ComplexTest::complexTest()
@@ -82,7 +83,7 @@ void ComplexTest::complexTest()
 
     // DELETE_TOKENS_CHECK_BEGIN
     QList<QString> ids;
-    ids.append("582c982d-6fd7-4856-8548-7ce542791c7a");
+    ids.append("062c93f6-ba3e-46af-a3a6-7a2988d1f0e9");
     Response* deleteTokensResp = reqMan->deleteTokens(ids);
     QSignalSpy deleteTokensRespSpy(deleteTokensResp, &Response::ready);
     QCOMPARE(deleteTokensRespSpy.count(), 0);
@@ -101,7 +102,7 @@ void ComplexTest::complexTest()
     QCOMPARE(getTokensDeletedRespSpy.count(), 1);
     auto doc2 = getJsonDoc(getTokensDeletedResp->getJson());
     QCOMPARE(doc2.object()["items"].toArray().size(), 1);
-    QVERIFY(doc2.object()["items"].toArray().contains("582c982d-6fd7-4856-8548-7ce542791c7a"));
+    QVERIFY(doc2.object()["items"].toArray().contains("062c93f6-ba3e-46af-a3a6-7a2988d1f0e9"));
     // CHECK_DELETED_TOKENS_END
 
     // LAST_TESTS (for sure)
@@ -128,6 +129,8 @@ void ComplexTest::fullSync()
 
 void ComplexTest::syncLastUpdated()
 {
+    Logger *logger = Logger::getLogger();
+    Logger::log("ahoj");
     api->loadDataFromColnod();
     QSignalSpy spy(api, &ColnodAPI::dataDownloaded);
     spy.wait(timeout);
@@ -175,7 +178,7 @@ QJsonDocument ComplexTest::getJsonDoc(const QString &json)
 QPointer<Token> ComplexTest::getTestToken()
 {
     QJsonObject jsonToken;
-    jsonToken.insert("id", "582c982d-6fd7-4856-8548-7ce542791c7a");
+    jsonToken.insert("id", "062c93f6-ba3e-46af-a3a6-7a2988d1f0e9");
     jsonToken.insert("name", "test");
     jsonToken.insert("description", "mobile");
     jsonToken.insert("tokenType", "Token");
diff --git a/test/unitTests/complextest.h b/test/unitTests/complextest.h
index 0aa1c74..a887cab 100644
--- a/test/unitTests/complextest.h
+++ b/test/unitTests/complextest.h
@@ -6,6 +6,7 @@
 #include "response.h"
 #include "requestmanager.h"
 #include "colnodapi.h"
+#include "logger.h"
 
 class ComplexTest : public QObject
 {