From ab8f5447680da56ce658abbc33c222219c3204ef Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Fri, 6 Nov 2026 16:47:32 +0100
Subject: plumtree

---
 src/swarm/tree.rs | 46 ++--------------------------------------------
 1 file changed, 2 insertions(+), 44 deletions(-)

(limited to 'src/swarm/tree.rs')

diff --git a/src/swarm/tree.rs b/src/swarm/tree.rs
index de865de..db3e920 100644
--- a/src/swarm/tree.rs
+++ b/src/swarm/tree.rs
@@ -30,8 +30,6 @@
 use std::collections::{BTreeMap, BTreeSet, HashMap, VecDeque};
 use std::sync::Arc;
 
-use tracing::trace;
-
 use crate::locks::MutexExt;
 use crate::state::AppState;
 use crate::swarm::{reach, rtt, topology};
@@ -663,48 +661,8 @@ pub(crate) async fn forward(
     from: &str,
     changes: &[crate::document::ChangeHash],
 ) -> Option<Plan> {
-    let mut plan = plan(state, writer).await?;
-    if !changes.is_empty() {
-        for neighbour in &plan.covered {
-            if let Some(peer_state) = state.get_peer_state(neighbour).await {
-                peer_state
-                    .lock()
-                    .await
-                    .sync
-                    .known_to_peer(changes, tokio::time::Instant::now());
-            }
-        }
-    }
-    plan.children.retain(|child| child != from);
-    let children = &plan.children;
-    let replica = if changes.is_empty() {
-        None
-    } else {
-        Some(state.doc.read().await)
-    };
-    for child in children {
-        if let Some(peer_state) = state.get_peer_state(child).await {
-            let mut peer_state = peer_state.lock().await;
-            peer_state.tree_writer = Some(writer);
-            if let Some(replica) = &replica {
-                peer_state.sync.with_predecessors(
-                    &replica.doc,
-                    changes,
-                    tokio::time::Instant::now(),
-                );
-            }
-        }
-        state.stats.tree_forward();
-        state.request_sync(child);
-    }
-    if !children.is_empty() {
-        trace!(
-            writer,
-            children = children.len(),
-            "Passing a change on along the writer's tree"
-        );
-    }
-    Some(plan)
+    let plan = plan(state, writer).await?;
+    Some(crate::swarm::dissemination::pass_on(state, writer, from, changes, plan).await)
 }
 
 /// Writers' trees as the way changes reach every member
-- 
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