libp2p: bump dupe grace period

1 files changed, 5 insertions, 3 deletions

diff --git a/src/transport/libp2p/book.rs b/src/transport/libp2p/book.rs
index e502bf8..087cd17 100644
--- a/src/transport/libp2p/book.rs
+++ b/src/transport/libp2p/book.rs
@@ -81,7 +81,8 @@ pub(super) struct Book {
     /// Peers connected only through a relay, dialled directly (`upgrade`): when to again
     /// at the soonest, and how long to wait after that.
     pub(super) upgrades: HashMap<PeerId, (tokio::time::Instant, Duration)>,
-    /// The shortest round trip measured on each open connection (libp2p's ping).
+    /// The shortest round trip measured on each open connection (libp2p's ping), since
+    /// the last connection to the same peer opened (they are compared then).
     pub(super) rtts: HashMap<ConnectionId, Duration>,
     /// Peers whose hole punching failed: how often in a row, and when to try again
     /// (`PUNCH_RETRIES`).
@@ -137,8 +138,9 @@ impl Book {
     }
 
     /// The connections to `peer`, the one to keep first: direct ones before relayed
-    /// ones, measured ones by their round trip (`rtts`: over the LAN before a VPN's hub,
-    /// whichever opened first), then the oldest.
+    /// ones, measured ones by their round trip (`rtts`, the shortest since the last of
+    /// them opened: over the LAN before a VPN's hub, whichever opened first), then the
+    /// oldest.
     pub(super) fn ranked(&self, peer: &PeerId) -> Vec<ConnectionId> {
         let mut connections: Vec<(bool, Duration, ConnectionId)> = self
             .connections