put remake content into blobs

1 files changed, 7 insertions, 0 deletions

diff --git a/src/remake/mod.rs b/src/remake/mod.rs
index 1c2be36..dacd1db 100644
--- a/src/remake/mod.rs
+++ b/src/remake/mod.rs
@@ -7,6 +7,7 @@
 //! * `records`: the replicated remake records under `_continuum/remakes/<id>`.
 //! * `coordinator`: proposal, vote count and decision on the node that was asked.
 //! * `vote`: who votes, for which remake, and when a remake has its majority.
+//! * `content`: the new document of a `replace`/`import` remake, fetched by every voter.
 //! * `switch`: switching this node to a committed epoch (worker).
 //! * `catchup`: rejoining a newer epoch from peers (late, new or failed nodes), then
 //!   replaying or quarantining this node's own missing changes.
@@ -20,6 +21,7 @@
 
 mod api;
 mod catchup;
+mod content;
 mod coordinator;
 mod delta;
 mod kind;
@@ -75,6 +77,11 @@ pub(crate) trait Host: Clone + Send + Sync + 'static {
         hash: automerge::ChangeHash,
     ) -> impl Future<Output = anyhow::Result<automerge::Change>> + Send;
 
+    /// Downloads content by its BLAKE3 hash from peers on the local epoch, checked
+    /// against it.
+    fn fetch_content(&self, hash: [u8; 32])
+    -> impl Future<Output = anyhow::Result<Vec<u8>>> + Send;
+
     /// Starts sync with every peer (e.g. after holding it back).
     fn request_sync(&self);