From 66e12315808832fa7dba14e2c47add4f37061f1b Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Fri, 27 Oct 2017 16:26:01 +0200
Subject: [PATCH] check seed_version is not too high

---
 lib/storage.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/storage.py b/lib/storage.py
index fb526cf65..c14e2bc04 100644
--- a/lib/storage.py
+++ b/lib/storage.py
@@ -454,6 +454,8 @@ class WalletStorage(PrintError):
         seed_version = self.get('seed_version')
         if not seed_version:
             seed_version = OLD_SEED_VERSION if len(self.get('master_public_key','')) == 128 else NEW_SEED_VERSION
+        if seed_version > FINAL_SEED_VERSION:
+            raise BaseException('This version of Electrum is too old to open this wallet')
         if seed_version >=12:
             return seed_version
         if seed_version not in [OLD_SEED_VERSION, NEW_SEED_VERSION]: