ipfs-cluster/state/interface.go
Hector Sanjuan c81f61eeea Make sure sync and recover operations receive all cids in a clusterDAG.
Cleanup some code and fixmes.

License: MIT
Signed-off-by: Hector Sanjuan <code@hector.link>
2018-08-07 20:12:05 +02:00

35 lines
1.1 KiB
Go

// Package state holds the interface that any state implementation for
// IPFS Cluster must satisfy.
package state
// State represents the shared state of the cluster and it
import (
"io"
cid "github.com/ipfs/go-cid"
"github.com/ipfs/ipfs-cluster/api"
)
// State is used by the Consensus component to keep track of
// objects which objects are pinned. This component should be thread safe.
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// Migrate restores the serialized format of an outdated state to the current version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
}