ConnectToVersion connects to the mytoken database and asserts that the database is up-to-date to the current version.

GetVersionState returns the DBVersionState.

SetVersionAfter sets that the after db migration commands for the passed version were executed.

SetVersionBefore sets that the before db migration commands for the passed version were executed.

UpdateTimes is a type for checking if the db migration commands for different mytoken version have been executed.

DBVersionState describes the version state of the db.