Amke TrustChain dumpable. That is prepared for

persistent storage.

src/fedservice/entity_statement/statement.py

@@ -1,27 +1,38 @@
 import logging
-from typing import List
 from typing import Optional
 
-from cryptojwt import KeyJar
 from cryptojwt.jwt import utc_time_sans_frac
+from idpyoidc.impexp import ImpExp
 
 __author__ = 'roland'
 
 logger = logging.getLogger(__name__)
 
 
-class TrustChain(object):
+class TrustChain(ImpExp):
     """
     Class in which to store the parsed result from applying metadata policies on a
     metadata statement.
     """
 
+    parameter = {
+        "anchor": "",
+        "chain": [],
+        "combined_policy": {},
+        "err": {},
+        "exp": 0,
+        "iss_path": [],
+        "metadata": {},
+        "verified_chain": []
+    }
+
     def __init__(self,
                  exp: int = 0,
                  verified_chain: Optional[list] = None):
         """
         :param exp: Expiration time
         """
+        ImpExp.__init__(self)
         self.anchor = ""
         self.iss_path = []
         self.err = {}

tests/test_12_explicit_registration_oidc.py

@@ -186,7 +186,7 @@ def create_endpoint(self):
                             "session_params": SESSION_PARAMS,
                             "endpoint": _op_endpoints
                         }
-                    },
+                    }
                 }
             }
         )

tests/test_60_automatic_registration.py

@@ -1,5 +1,6 @@
 import os
 
+from fedservice.appserver import ServerEntity
 import pytest
 import responses
 from idpyoidc.client.defaults import DEFAULT_KEY_DEFS
@@ -9,9 +10,9 @@
 
 from fedservice.defaults import DEFAULT_OIDC_FED_SERVICES
 from fedservice.defaults import LEAF_ENDPOINTS
-from fedservice.op import ServerEntity
-from fedservice.op.authorization import Authorization
-from fedservice.op.registration import Registration
+# from fedservice.op import ServerEntity
+# from fedservice.op.authorization import Authorization
+# from fedservice.op.registration import Registration
 from fedservice.appclient import ClientEntity
 from fedservice.utils import make_federation_combo
 from fedservice.utils import make_federation_entity