From c97161adb3142041c00d649a51924318b5a2d6e4 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Thu, 22 Oct 2026 20:37:34 +0200
Subject: introduce pre-shared swarm key

---
 src/transport/mycelium.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/transport/mycelium.rs')

diff --git a/src/transport/mycelium.rs b/src/transport/mycelium.rs
index dc2c66e..0c0093a 100644
--- a/src/transport/mycelium.rs
+++ b/src/transport/mycelium.rs
@@ -795,6 +795,8 @@ fn bytes_to_keepalive(bytes: &[u8]) -> Result<Keepalive, TransportError> {
 pub struct HelloRequestShadow {
     #[serde(default)]
     epoch: EpochShadow,
+    #[serde(default)]
+    auth: ByteBuf,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -805,6 +807,8 @@ pub struct HelloReplyShadow<'a> {
     pub peers: Vec<String>,
     #[serde(default)]
     epoch: EpochShadow,
+    #[serde(default)]
+    auth: ByteBuf,
 }
 
 #[derive(Serialize, Deserialize)]
@@ -849,12 +853,14 @@ mod automerge_msg_codec {
 pub fn hello_request_to_bytes(msg: &HelloRequest) -> Result<Vec<u8>, rmp_serde::encode::Error> {
     rmp_serde::to_vec(&HelloRequestShadow {
         epoch: epoch_to_shadow(&msg.epoch),
+        auth: ByteBuf::from(msg.auth.clone()),
     })
 }
 pub fn bytes_to_hello_request(bytes: &[u8]) -> Result<HelloRequest, TransportError> {
     let shadow: HelloRequestShadow = rmp_serde::from_slice(bytes)?;
     Ok(HelloRequest {
         epoch: epoch_from_shadow(shadow.epoch)?,
+        auth: shadow.auth.into_vec(),
     })
 }
 
@@ -864,6 +870,7 @@ pub fn hello_reply_to_bytes(msg: &HelloReply) -> Result<Vec<u8>, rmp_serde::enco
         swarm_id: Cow::Borrowed(&msg.swarm_id),
         peers: msg.peers.clone(), // Vec must be cloned for serialization wrapper matching
         epoch: epoch_to_shadow(&msg.epoch),
+        auth: ByteBuf::from(msg.auth.clone()),
     };
     rmp_serde::to_vec(&shadow)
 }
@@ -873,6 +880,7 @@ pub fn bytes_to_hello_reply(bytes: &[u8]) -> Result<HelloReply, TransportError>
         swarm_id: shadow.swarm_id.into_owned(),
         peers: shadow.peers,
         epoch: epoch_from_shadow(shadow.epoch)?,
+        auth: shadow.auth.into_vec(),
     })
 }
 
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