From 9d1058449b2662e1a8569aae9bf861632012b845 Mon Sep 17 00:00:00 2001
From: Jakob Schlyter <jakob@kirei.se>
Date: Sat, 19 Feb 2022 15:23:43 +0100
Subject: [PATCH] use get_soa() in compute_digest()

---
 dns/zone.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dns/zone.py b/dns/zone.py
index e9a82d2e..c8f576a0 100644
--- a/dns/zone.py
+++ b/dns/zone.py
@@ -762,7 +762,7 @@ class Zone(dns.transaction.TransactionManager):
             origin_name = dns.name.empty
         else:
             origin_name = self.origin
-        serial = self.get_rdataset(origin_name, dns.rdatatype.SOA)[0].serial
+        serial = self.get_soa().serial
         digest = self._compute_digest(hash_algorithm, scheme)
         return dns.rdtypes.ANY.ZONEMD.ZONEMD(self.rdclass,
                                              dns.rdatatype.ZONEMD,
-- 
2.47.3