2 files changed, 9 insertions, 0 deletions
diff --git a/src/transport/mod.rs b/src/transport/mod.rs
index c96b053..c5769ca 100644
--- a/src/transport/mod.rs
+++ b/src/transport/mod.rs
@@ -109,12 +109,18 @@ pub enum ParsedMessage {
 pub enum BlobId {
     /// An Automerge change, by its hash: e.g. an epoch's snapshot change.
     Change(ChangeHash),
+    /// Bytes by their BLAKE3 hash: e.g. the content of a remake.
+    Content([u8; 32]),
 }
 
 impl std::fmt::Display for BlobId {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
             BlobId::Change(hash) => write!(f, "change:{hash}"),
+            BlobId::Content(hash) => {
+                write!(f, "content:")?;
+                hash.iter().try_for_each(|byte| write!(f, "{byte:02x}"))
+            }
         }
     }
 }
diff --git a/src/transport/mycelium.rs b/src/transport/mycelium.rs
index a8ab104..82e6016 100644
--- a/src/transport/mycelium.rs
+++ b/src/transport/mycelium.rs
@@ -1029,6 +1029,7 @@ pub fn bytes_to_sync_envelope(bytes: &[u8]) -> Result<SyncEnvelope, TransportErr
 #[derive(Serialize, Deserialize)]
 enum BlobIdShadow {
     Change(ByteBuf),
+    Content(ByteBuf),
 }
 
 #[derive(Serialize, Deserialize)]
@@ -1058,6 +1059,7 @@ struct BlobShadow {
 fn blob_to_bytes(msg: &BlobMessage) -> Result<Vec<u8>, rmp_serde::encode::Error> {
     let id = match msg.id {
         BlobId::Change(hash) => BlobIdShadow::Change(ByteBuf::from(hash.0.to_vec())),
+        BlobId::Content(hash) => BlobIdShadow::Content(ByteBuf::from(hash.to_vec())),
     };
     let body = match &msg.body {
         BlobBody::Request { chunks } => BlobBodyShadow::Request {
@@ -1098,6 +1100,7 @@ fn bytes_to_blob(bytes: &[u8]) -> Result<BlobMessage, TransportError> {
     let shadow: BlobShadow = rmp_serde::from_slice(bytes)?;
     let id = match shadow.id {
         BlobIdShadow::Change(hash) => BlobId::Change(ChangeHash(hash32(&hash, "a change hash")?)),
+        BlobIdShadow::Content(hash) => BlobId::Content(hash32(&hash, "a content hash")?),
     };
     let body = match shadow.body {
         BlobBodyShadow::Request { chunks } => BlobBody::Request { chunks },