1 files changed, 34 insertions, 0 deletions
diff --git a/core/storage.go b/core/storage.go
new file mode 100644
index 0000000..70a47e6
--- /dev/null
+++ b/core/storage.go
@@ -0,0 +1,34 @@
+package core
+
+// Storage storage of objects and references
+type Storage interface {
+	ObjectStorage() (ObjectStorage, error)
+	ReferenceStorage() (ReferenceStorage, error)
+}
+
+// ObjectStorage generic storage of objects
+type ObjectStorage interface {
+	NewObject() Object
+	Set(Object) (Hash, error)
+	Get(Hash) (Object, error)
+	Iter(ObjectType) (ObjectIter, error)
+}
+
+// ObjectIter is a generic closable interface for iterating over objects.
+type ObjectIter interface {
+	Next() (Object, error)
+	Close()
+}
+
+// ReferenceStorage generic storage of references
+type ReferenceStorage interface {
+	Set(*Reference) error
+	Get(ReferenceName) (*Reference, error)
+	Iter() (ReferenceIter, error)
+}
+
+// ReferenceIter is a generic closable interface for iterating over references
+type ReferenceIter interface {
+	Next() (*Reference, error)
+	Close()
+}