fix: align with DIDComm v2.1 spec for service endpoints

Signed-off-by: Daniel Bluhm <[email protected]>

Author: dbluhm

pydid/service.py

@@ -63,7 +63,7 @@ class Config:
         extra = Extra.forbid
 
     type: Literal["DIDCommMessaging"] = "DIDCommMessaging"
-    service_endpoint: List[DIDCommV2ServiceEndpoint]
+    service_endpoint: Union[List[DIDCommV2ServiceEndpoint], DIDCommV2ServiceEndpoint]
 
 
 class UnknownService(Service):

tests/test_service.py

@@ -54,6 +54,15 @@
             }
         ],
     },
+    {
+        "id": "did:example:123456789abcdefghi#didcomm-1",
+        "type": "DIDCommMessaging",
+        "serviceEndpoint": {
+            "uri": "https://example.com/path",
+            "accept": ["didcomm/v2", "didcomm/aip2;env=rfc587"],
+            "routingKeys": ["did:example:somemediator#somekey"],
+        },
+    },
 ]
 
 INVALID_SERVICES = [
@@ -172,6 +181,15 @@ def test_serialization(service_raw):
             }
         ],
     },
+    {
+        "id": "did:example:123456789abcdefghi#didcomm-1",
+        "type": "DIDCommMessaging",
+        "serviceEndpoint": {
+            "uri": "https://example.com/path",
+            "accept": ["didcomm/v2", "didcomm/aip2;env=rfc587"],
+            "routingKeys": ["did:example:somemediator#somekey"],
+        },
+    },
 ]
 
 DIDCOMM_INVALID_SERVICES = [