Method Errorf

x/logging/logging.go:76–78

(format string, v ...interface{})

}

func (d defaultLogger) Errorf(format string, v ...interface{}) {
	d.logger.Printf(suffix()+"[ERR] "+d.prefix+format+"\n"+stackTrace(), v...)
}

func suffix() string {
	_, file, line, ok := runtime.Caller(2)