1 files changed, 18 insertions, 0 deletions
diff --git a/src/document/replica.rs b/src/document/replica.rs
index fe76c12..c8f648b 100644
--- a/src/document/replica.rs
+++ b/src/document/replica.rs
@@ -59,6 +59,24 @@ impl Epoch {
     }
 }
 
+/// An epoch as records and the API show it: its generation and its snapshot hash in
+/// hex (all zeros for the genesis epoch).
+#[derive(Clone, Debug, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub(crate) struct EpochRecord {
+    pub(crate) generation: u64,
+    pub(crate) id: String,
+}
+
+impl From<Epoch> for EpochRecord {
+    fn from(epoch: Epoch) -> Self {
+        Self {
+            generation: epoch.generation,
+            id: epoch.id_hex(),
+        }
+    }
+}
+
 impl fmt::Display for Epoch {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         if *self == Epoch::GENESIS {