Fake address and PolicyAgent.

nkms/characters.py

@@ -10,8 +10,8 @@ from kademlia.utils import digest
 from typing import Dict
 from typing import Union, List
 
-from nkms.config.config import KMSConfig
 from constant_sorrow import constants, default_constant_splitter
+from nkms.config.config import KMSConfig
 from nkms.crypto.api import secure_random, keccak_digest
 from nkms.crypto.constants import PUBLIC_KEY_LENGTH
 from nkms.crypto.kits import UmbralMessageKit
@@ -21,7 +21,6 @@ from nkms.crypto.splitters import signature_splitter
 from nkms.network import blockchain_client
 from nkms.network.protocols import dht_value_splitter
 from nkms.network.server import NuCypherDHTServer, NuCypherSeedOnlyDHTServer, ProxyRESTServer
-from nkms.policy.constants import NOT_FROM_ALICE, NON_PAYMENT
 
 from nkms_eth.actors import PolicyAuthor
 
@@ -39,8 +38,10 @@ class Character(object):
     _default_crypto_powerups = None
     _stamp = None
 
+    address = "This is a fake address."  # TODO: #192
+
     def __init__(self, attach_server=True, crypto_power: CryptoPower=None,
-                 crypto_power_ups=None, is_me=True, config: KMSConfig=None) -> None:
+                 crypto_power_ups=None, is_me=True, config: "KMSConfig"=None) -> None:
         """
         :param attach_server:  Whether to attach a Server when this Character is
             born.
@@ -217,7 +218,8 @@ class Character(object):
         with suppress(AttributeError):
             if message_kit.alice_pubkey:
                 if not message_kit.alice_pubkey == actor_whom_sender_claims_to_be.public_key(SigningPower):
-                    raise ValueError("This MessageKit doesn't appear to have come from {}".format(actor_whom_sender_claims_to_be))
+                    raise ValueError(
+                        "This MessageKit doesn't appear to have come from {}".format(actor_whom_sender_claims_to_be))
 
         alice_pubkey = actor_whom_sender_claims_to_be.public_key(SigningPower)
         signature_from_kit = None
@@ -297,12 +299,17 @@ class Character(object):
         self.known_nodes[node.interface_dht_key()] = node
 
 
+class FakePolicyAgent:  # TODO: #192
+    _token = "fake token"
+
+
 class Alice(Character, PolicyAuthor):
     _server_class = NuCypherSeedOnlyDHTServer
     _default_crypto_powerups = [SigningPower, EncryptingPower]
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
+        PolicyAuthor.__init__(self, self.address, policy_agent=FakePolicyAgent())
 
     def generate_kfrags(self, bob, m, n) -> List:
         """