Fix key shortening function to handle short public keys

client/internal/peer/conn.go

@@ -127,7 +127,7 @@ func NewConn(config ConnConfig, services ServiceDependencies) (*Conn, error) {
 		return nil, fmt.Errorf("allowed IPs is empty")
 	}
 
-	connLog := log.WithField("peer", config.Key)
+	connLog := log.WithField("peer", shortenKey(config.Key))
 
 	var conn = &Conn{
 		Log:            connLog,

client/internal/peer/key.go

@@ -0,0 +1,8 @@
+package peer
+
+func shortenKey(pubKey string) string {
+	if len(pubKey) < 7 {
+		return pubKey
+	}
+	return pubKey[:7]
+}