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
	// Snapshot writes a snapshot of the state to a writer
	Snapshot(w io.Writer) error
	// Restore restores a snapshot from a reader
	Restore(r io.Reader) error
}