AddMetric adds model.MetricUnit to '_memStorage.storage' storage returns updated model.MetricUnit after that.

AddMetricToDB adds model.MetricUnit to a db returns updated model.MetricUnit after that.

AddMetricTxToDB adds model.MetricUnit to a db returns updated model.MetricUnit after that.

GetAllMetrics returns a list of model.MetricUnit from the storage.

GetAllMetricsFromDB returns a list of model.MetricUnit from the storage.

GetMetricByName returns a model.MetricUnit and nil error if found or model.EmptyMetric and error.

GetMetricByNameFromDB returns a model.MetricUnit and nil error if found or model.EmptyMetric and an error.

LoadVariant loads data from a file or returns errEmptyPath error.

SaveVariant saves data to a file or returns errEmptyPath error.

SetPrivateKey sets rsa.PrivateKey.

SetPublicKey sets rsa.PublicKey.

SetupFilePathStorage sets a path of a file.

MemStorage represents storage.