announce epochs by sync instead of ping

1 files changed, 4 insertions, 0 deletions

diff --git a/src/swarm/sync.rs b/src/swarm/sync.rs
index 2c2079a..567b1ea 100644
--- a/src/swarm/sync.rs
+++ b/src/swarm/sync.rs
@@ -149,6 +149,10 @@ async fn deliver_sync_to_peer(state: &AppState, peer: &str, retry_delivery: bool
                                 .collect();
                             peer_state.expect_sync_reply(sent, Instant::now());
                         }
+                        if message.is_some() {
+                            // It carries our epoch.
+                            peer_state.epoch_unannounced = false;
+                        }
                         (epoch, message)
                     };
                     let Some(message) = message else {