force addr to bytes

Author: pipermerriam

ethereum/blocks.py

@@ -1025,7 +1025,7 @@ def commit_state(self):
                     setattr(acct, field, v)
 
             t = SecureTrie(Trie(self.db, acct.storage))
-            for k, v in self.caches.get(b'storage:' + addr, {}).items():
+            for k, v in self.caches.get(b'storage:' + utils.to_string(addr), {}).items():
                 enckey = utils.zpad(utils.coerce_to_bytes(k), 32)
                 val = rlp.encode(v)
                 changes.append(['storage', addr, k, v])