From 371e52cb48bae99232547f6fae6a0487a85c2d04 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 24 Oct 2026 16:18:58 +0200
Subject: add chunked download and use it during rejoin

---
 src/state.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'src/state.rs')

diff --git a/src/state.rs b/src/state.rs
index df053a6..0f30732 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -597,6 +597,8 @@ pub(crate) struct AppState {
     pub(crate) alias: Option<String>,
     /// Members alive within this window vote on remakes (`--electorate-window-days`).
     pub(crate) electorate_window: Duration,
+    /// Chunked transfers served and fetched (`swarm::blob`).
+    pub(crate) blobs: Arc<crate::swarm::blob::Blobs>,
     /// The effective configuration with sources, imported values left out
     /// (`config::Loaded::report`), for `GET /admin/config`.
     pub(crate) config: Arc<serde_json::Value>,
@@ -1029,6 +1031,28 @@ impl Host for AppState {
         crate::swarm::members::electorate(doc, now_ms, self.electorate_window)
     }
 
+    fn fetch_change(
+        &self,
+        hash: ChangeHash,
+    ) -> impl Future<Output = Result<automerge::Change>> + Send {
+        let state = self.clone();
+        async move {
+            let epoch = state.local_epoch();
+            let peers: Vec<String> = state
+                .peer_summaries()
+                .await
+                .into_iter()
+                .filter(|peer| peer.active && peer.epoch == Some(epoch))
+                .map(|peer| peer.id)
+                .collect();
+            crate::swarm::blob::fetch_change(&state, hash, peers).await
+        }
+    }
+
+    fn request_sync(&self) {
+        crate::swarm::source::resync_everyone(self);
+    }
+
     fn is_node_ready(&self) -> impl Future<Output = bool> + Send {
         let state = self.clone();
         async move { state.is_ready().await }
-- 
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