From e9c0ac7afbbba108554927cb270a74b88fba7bbb Mon Sep 17 00:00:00 2001
From: Ross Nicoll <jrn@jrn.me.uk>
Date: Sun, 19 Nov 2017 22:12:19 +0000
Subject: [PATCH] Handle legacy v2 block at #66064

---
 src/primitives/pureheader.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/primitives/pureheader.h b/src/primitives/pureheader.h
index 0443a530d..841743632 100644
--- a/src/primitives/pureheader.h
+++ b/src/primitives/pureheader.h
@@ -149,7 +149,9 @@ public:
      */
     inline bool IsLegacy() const
     {
-        return nVersion == 1;
+        return nVersion == 1
+            // Dogecoin: We have a random v2 block with no AuxPoW, treat as legacy
+            || (nVersion == 2 && GetChainId() == 0);
     }
 };