1 files changed, 13 insertions, 0 deletions
diff --git a/internal/types/checkpoint.go b/internal/types/checkpoint.go
new file mode 100644
index 0000000..7f5f41a
--- /dev/null
+++ b/internal/types/checkpoint.go
@@ -0,0 +1,13 @@
+package types
+
+type DIDLeaf struct {
+	DID          string
+	ChainTipHash string
+}
+
+type CheckpointStateSnapshotV1 struct {
+	Version   uint8     `json:"v"`
+	Sequence  uint64    `json:"sequence"`
+	CreatedAt string    `json:"created_at"`
+	Leaves    []DIDLeaf `json:"leaves"`
+}