From 144baf64fe482fc37210479f55f0205508a8e356 Mon Sep 17 00:00:00 2001
From: Jakub Warmuz <jakub@warmuz.org>
Date: Tue, 24 Mar 2015 17:08:25 +0000
Subject: [PATCH] client.errors.UnexpectedUpdate

---
 letsencrypt/client/errors.py   | 8 ++++++++
 letsencrypt/client/network2.py | 6 +++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/letsencrypt/client/errors.py b/letsencrypt/client/errors.py
index c1d6c785f..f924f735a 100644
--- a/letsencrypt/client/errors.py
+++ b/letsencrypt/client/errors.py
@@ -5,6 +5,14 @@ class LetsEncryptClientError(Exception):
     """Generic Let's Encrypt client error."""
 
 
+class NetworkError(LetsEncryptClientError):
+    """Network error."""
+
+
+class UnexpectedUpdate(NetworkError):
+    """Unexpected update."""
+
+
 class LetsEncryptReverterError(LetsEncryptClientError):
     """Let's Encrypt Reverter error."""
 
diff --git a/letsencrypt/client/network2.py b/letsencrypt/client/network2.py
index 8bfc12a15..5755d25d3 100644
--- a/letsencrypt/client/network2.py
+++ b/letsencrypt/client/network2.py
@@ -7,6 +7,8 @@ import requests
 from letsencrypt.acme import jose
 from letsencrypt.acme import messages2
 
+from letsencrypt.client import errors
+
 
 class Network(object):
     """ACME networking.
@@ -47,7 +49,9 @@ class Network(object):
             uri=response.headers['location'],
             new_authz_uri=response.links['next']['url'],
             terms_of_service=terms_of_service)
-        assert regr.body.key == self.key.public()
+
+        if regr.body.key != self.key.public() or regr.body.contact != contact:
+            raise errors.UnexpectedUpdate(regr)
 
         return regr