types

type SnapshotKVStore interface {
	Snapshotter

	// CurrentStore returns the underlying CacheKVStore that is currently
	// active (i.e., where reads and writes will be applied).
	CurrentStore() storetypes.CacheKVStore

	// Commit flushes all pending changes in the current store layer
	// down to its parent, making them permanent.
	Commit()
}

type SnapshotMultiStore interface {
	Snapshotter
	storetypes.CacheMultiStore
}

type Snapshotter interface {
	// Snapshot captures the current state and returns a snapshot identifier.
	// The returned int can be used later to revert back to this exact state.
	Snapshot() int

	// RevertToSnapshot rolls back the state to the snapshot corresponding
	// to the given identifier. All changes made after that snapshot will be discarded.
	RevertToSnapshot(int)
}