state

type State interface {
	// Add adds a pin to the State
	Add(api.Pin) error
	// Rm removes a pin from the State
	Rm(cid.Cid) error
	// List lists all the pins in the state
	List() []api.Pin
	// Has returns true if the state is holding information for a Cid
	Has(cid.Cid) bool
	// Get returns the information attacthed to this pin
	Get(cid.Cid) (api.Pin, bool)
	// Migrate restores the serialized format of an outdated state to the current version
	Migrate(r io.Reader) error
	// Return the version of this state
	GetVersion() int
	// Marshal serializes the state to a byte slice
	Marshal() ([]byte, error)
	// Unmarshal deserializes the state from marshaled bytes
	Unmarshal([]byte) error
}