From 63b34dfa41e1595145507a88901e332bf4bd3b14 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 7 Nov 2026 22:35:21 +0100
Subject: signatures: kept in the document file

A node's signatures are saved with its document (--document-file) and
loaded with it.

Auth plan M5.
---
 src/swarm/bootstrap.rs | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

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

diff --git a/src/swarm/bootstrap.rs b/src/swarm/bootstrap.rs
index 446b846..10ad412 100644
--- a/src/swarm/bootstrap.rs
+++ b/src/swarm/bootstrap.rs
@@ -241,6 +241,8 @@ pub(crate) struct StartingDocument {
     pub(crate) origin: Origin,
     /// The actors this node wrote with before (from the document file).
     pub(crate) earlier_actors: Vec<ActorId>,
+    /// The signatures of its changes (from the document file).
+    pub(crate) signatures: Vec<(crate::document::ChangeHash, [u8; 64])>,
 }
 
 /// What `--recover-from` and `--document-file` say about where to start.
@@ -289,7 +291,7 @@ pub(crate) fn starting_document(
         Some(path) => Some(load_backup(path, files)?),
     };
 
-    let (doc, origin, earlier_actors) = match (backup, from_file) {
+    let (doc, origin, earlier_actors, signatures) = match (backup, from_file) {
         (Some(_), Some(_)) if !force.allows("replaceDocumentFile") => {
             bail!(
                 "recover-from would replace the document in the document file; add --force replaceDocumentFile to recover the backup anyway"
@@ -301,9 +303,14 @@ pub(crate) fn starting_document(
                     "Recovering the backup instead of the document file's document (--force replaceDocumentFile)"
                 );
             }
-            (backup, Origin::Backup, Vec::new())
+            (backup, Origin::Backup, Vec::new(), Vec::new())
         }
-        (None, Some(loaded)) => (loaded.doc, Origin::DocumentFile, loaded.actors),
+        (None, Some(loaded)) => (
+            loaded.doc,
+            Origin::DocumentFile,
+            loaded.actors,
+            loaded.signatures,
+        ),
         (None, None) => return Ok(None),
     };
     if options.genesis && origin == Origin::DocumentFile {
@@ -311,7 +318,8 @@ pub(crate) fn starting_document(
             "The document file holds a document of a swarm, and genesis would start a new one; move the file away to start a new swarm"
         );
     }
-    let starting = identify(doc, origin, earlier_actors)?;
+    let mut starting = identify(doc, origin, earlier_actors)?;
+    starting.signatures = signatures;
 
     if let Some(remembered) = options.remembered.filter(|id| *id != starting.swarm_id) {
         let what = origin.describe();
@@ -347,6 +355,7 @@ fn identify(
         swarm_id,
         origin,
         earlier_actors,
+        signatures: Vec::new(),
     })
 }
 
-- 
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