From e9f31fe4850d8d136a584a03fc7fe07c6ab0f3ae Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Thu, 3 Oct 2019 15:14:27 -0400
Subject: [PATCH] add missing interface method
---
src/_zkapauthorizer/controller.py | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/src/_zkapauthorizer/controller.py b/src/_zkapauthorizer/controller.py
index f6c38f2..5681bf0 100644
--- a/src/_zkapauthorizer/controller.py
+++ b/src/_zkapauthorizer/controller.py
@@ -114,6 +114,25 @@ class IRedeemer(Interface):
final.
"""
+ def tokens_to_passes(message, unblinded_tokens):
+ """
+ Construct passes from unblinded tokens which are suitable for use with a
+ given message.
+
+ :param bytes message: A valid utf-8-encoded byte sequence which serves
+ to protect the resulting passes from replay usage. It is
+ preferable if every use of passes is associated with a unique
+ message.
+
+ :param list[UnblindedToken] unblinded_tokens: Unblinded tokens,
+ previously returned by a call to this implementation's ``redeem``
+ method.
+
+ :return list[Pass]: Passes constructed from the message and unblinded
+ tokens. There is one pass in the resulting list for each unblinded
+ token in ``unblinded_tokens``.
+ """
+
@implementer(IRedeemer)
class NonRedeemer(object):
@@ -132,6 +151,11 @@ class NonRedeemer(object):
# Don't try to redeem them.
return Deferred()
+ def tokens_to_passes(self, message, unblinded_tokens):
+ raise Exception(
+ "Cannot be called because no unblinded tokens are ever returned."
+ )
+
@implementer(IRedeemer)
@attr.s
--
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