From 97bc95907db65e2b80cb3534f18efaac9b0ce985 Mon Sep 17 00:00:00 2001
From: Eddy Ashton <edashton@microsoft.com>
Date: Mon, 22 Aug 2022 13:24:33 +0100
Subject: [PATCH] Correct printing of deleted entries when parsing snapshots
 (#4150)

---
 python/ccf/ledger.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/python/ccf/ledger.py b/python/ccf/ledger.py
index 4d8a7be6b..539801777 100644
--- a/python/ccf/ledger.py
+++ b/python/ccf/ledger.py
@@ -236,7 +236,12 @@ class PublicDomain:
 
     def _read_snapshot_versioned_value(self):
         size = self._read_size()
-        _, value = self._read_versioned_value(size)
+        ver, value = self._read_versioned_value(size)
+        if ver < 0:
+            assert (
+                len(value) == 0
+            ), f"Expected empty value for tombstone deletion at {ver}"
+            value = None
         self._read_snapshot_entry_padding(size)
         return value