storage

var (
	// ErrNotFound reports that a key does not exist in a namespace.
	ErrNotFound = errors.New("storage record not found")
	// ErrClosed reports an operation attempted on a closed backend.
	ErrClosed = errors.New("storage backend closed")
	// ErrConflict reports that a transaction could not commit because another
	// transaction committed after its snapshot was taken.
	ErrConflict = errors.New("storage transaction conflict")
	// ErrInvalidArgument reports a request outside the storage contract.
	ErrInvalidArgument = errors.New("invalid storage argument")
	// ErrTransactionClosed reports use of a transaction outside its callback.
	ErrTransactionClosed = errors.New("storage transaction closed")
	// ErrMigrationRequired reports an exact legacy storage schema that must be
	// migrated explicitly before it can be opened as a Backend.
	ErrMigrationRequired = errors.New("storage migration required")
)

var (
	// ErrMigrationConflict reports that a v2 store was produced by a different
	// migration operation.
	ErrMigrationConflict = errors.New("floret v2 migration operation conflict")
)