From 686b1f59ffb0ab004a445966cc42978780d7440e Mon Sep 17 00:00:00 2001
From: Colton Wolkins <colton@indicio.tech>
Date: Mon, 13 Sep 2021 13:47:07 -0600
Subject: [PATCH] feat: Add revocation support to credentials

Signed-off-by: Colton Wolkins <colton@indicio.tech>
---
 .../credential_definitions.py                 | 14 ++++++++++--
 demo/configs/alice.yml                        |  2 ++
 demo/docker-compose.alice-bob.yml             | 22 +++++++++++++++++++
 3 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/acapy_plugin_toolbox/credential_definitions.py b/acapy_plugin_toolbox/credential_definitions.py
index ad12f08b..b32439ef 100644
--- a/acapy_plugin_toolbox/credential_definitions.py
+++ b/acapy_plugin_toolbox/credential_definitions.py
@@ -64,6 +64,9 @@ class CredDefRecord(BaseRecord):
     STATE_UNWRITTEN = "unwritten"
     STATE_WRITTEN = "written"
 
+    REVOCATION_SUPPORTED = True
+    REVOCATION_UNSUPPORTED = False
+
     class Meta:
         """CredDefRecord metadata."""
 
@@ -78,6 +81,7 @@ def __init__(
         attributes: [str] = None,
         author: str = None,
         state: str = None,
+        support_revocation: bool = False,
         **kwargs
     ):
         """Initialize a new SchemaRecord."""
@@ -86,6 +90,7 @@ def __init__(
         self.schema_id = schema_id
         self.attributes = attributes
         self.author = author
+        self.support_revocation = support_revocation
 
     @property
     def record_id(self) -> str:
@@ -102,7 +107,7 @@ def record_tags(self) -> dict:
         """Get tags for record."""
         return {
             prop: getattr(self, prop)
-            for prop in ("cred_def_id", "schema_id", "state", "author")
+            for prop in ("cred_def_id", "schema_id", "state", "author", "support_revocation")
         }
 
     @classmethod
@@ -125,13 +130,14 @@ class Meta:
     schema_id = fields.Str(required=False)
     attributes = fields.List(fields.Str(), required=False)
     author = fields.Str(required=False)
+    support_revocation = fields.Bool(required=False)
 
 
 SendCredDef, SendCredDefSchema = generate_model_schema(
     name="SendCredDef",
     handler="acapy_plugin_toolbox.credential_definitions" ".SendCredDefHandler",
     msg_type=SEND_CRED_DEF,
-    schema={"schema_id": fields.Str(required=True)},
+    schema={"schema_id": fields.Str(required=True), "support_revocation": fields.Bool(required=False)},
 )
 
 CredDefID, CredDefIDSchema = generate_model_schema(
@@ -151,6 +157,7 @@ async def handle(self, context: RequestContext, responder: BaseResponder):
         session = await context.session()
         ledger: BaseLedger = session.inject(BaseLedger)
         issuer: IndyIssuer = session.inject(IndyIssuer)
+        support_revocation: bool = context.message.support_revocation
         # If no schema record, make one
         try:
             schema_record = await SchemaRecord.retrieve_by_schema_id(
@@ -170,6 +177,7 @@ async def handle(self, context: RequestContext, responder: BaseResponder):
                 attributes=schema["attrNames"],
                 state=SchemaRecord.STATE_WRITTEN,
                 author=SchemaRecord.AUTHOR_OTHER,
+                support_revocation=support_revocation,
             )
             await schema_record.save(session, reason="Retrieved from ledger")
 
@@ -182,6 +190,7 @@ async def handle(self, context: RequestContext, responder: BaseResponder):
                         tag="{}_{}".format(
                             schema_record.schema_name, schema_record.schema_version
                         ),
+                        support_revocation=support_revocation,
                     )
                 )
         except Exception as err:
@@ -200,6 +209,7 @@ async def handle(self, context: RequestContext, responder: BaseResponder):
             attributes=list(map(canon, schema_record.attributes)),
             state=CredDefRecord.STATE_WRITTEN,
             author=CredDefRecord.AUTHOR_SELF,
+            support_revocation=support_revocation,
         )
         await cred_def_record.save(
             session, reason="Committed credential definition to ledger"
diff --git a/demo/configs/alice.yml b/demo/configs/alice.yml
index ccc2d363..11612f23 100644
--- a/demo/configs/alice.yml
+++ b/demo/configs/alice.yml
@@ -43,6 +43,8 @@ auto-respond-presentation-proposal: true
 auto-respond-presentation-request: true
 auto-verify-presentation: true
 
+tails-server-base-url: http://tails-server:6543
+
 # Wallet
 wallet-type: indy
 wallet-key: "insecure, for use in demo only"
diff --git a/demo/docker-compose.alice-bob.yml b/demo/docker-compose.alice-bob.yml
index f4b681c5..656850d4 100644
--- a/demo/docker-compose.alice-bob.yml
+++ b/demo/docker-compose.alice-bob.yml
@@ -33,3 +33,25 @@ services:
     ports:
       - "3003:3003"
     command: poetry run aca-py start --arg-file ./configs/bob.yml 
+
+  ngrok-tails-server:
+    image: wernight/ngrok
+#    networks:
+#      - tails-server
+    ports:
+      - 4044:4040
+    command: ngrok http tails-server:6543 --log stdout
+  tails-server:
+    image: docker_tails-server
+    ports:
+      - 6543:6543
+#    networks:
+#      - tails-server
+    command: >
+      tails-server
+        --host 0.0.0.0
+        --port 6543
+        --storage-path ${STORAGE_PATH:-/tmp/tails-files}
+        --log-level ${LOG_LEVEL:-INFO}
+#networks:
+#  tails-server: