Add DIF presentation exchange context and cache document

MANIFEST.in

@@ -6,4 +6,6 @@ include aries_cloudagent/vc/ld_proofs/resources/status_list_context.jsonld
 include aries_cloudagent/vc/ld_proofs/resources/security-v1-context.jsonld
 include aries_cloudagent/vc/ld_proofs/resources/security-v2-context.jsonld
 include aries_cloudagent/vc/ld_proofs/resources/ed25519-2020-context.jsonld
+include aries_cloudagent/vc/ld_proofs/resources/bbs-v1-context.jsonld
+include aries_cloudagent/vc/ld_proofs/resources/dif-presentation-exchange-submission-v1.jsonld
 include README.md

aries_cloudagent/protocols/present_proof/dif/pres_exch_handler.py

@@ -1261,9 +1261,7 @@ async def create_vp(
                 )
                 if not issuer_id and len(filtered_creds_list) == 0:
                     vp = await create_presentation(credentials=applicable_creds_list)
-                    vp["presentation_submission"] = submission_property.serialize()
-                    if self.proof_type is BbsBlsSignature2020.signature_type:
-                        vp["@context"].append(SECURITY_CONTEXT_BBS_URL)
+                    vp = self.__add_dif_fields_to_vp(vp, submission_property)
                     result_vp.append(vp)
                     continue
                 else:
@@ -1280,19 +1278,15 @@ async def create_vp(
                         vp = await create_presentation(
                             credentials=applicable_creds_list
                         )
-                        vp["presentation_submission"] = submission_property.serialize()
-                        if self.proof_type is BbsBlsSignature2020.signature_type:
-                            vp["@context"].append(SECURITY_CONTEXT_BBS_URL)
+                        vp = self.__add_dif_fields_to_vp(vp, submission_property)
                         result_vp.append(vp)
                         continue
                     else:
                         vp = await create_presentation(credentials=filtered_creds_list)
                 else:
                     issuer_id = self.pres_signing_did
                     vp = await create_presentation(credentials=applicable_creds_list)
-            vp["presentation_submission"] = submission_property.serialize()
-            if self.proof_type is BbsBlsSignature2020.signature_type:
-                vp["@context"].append(SECURITY_CONTEXT_BBS_URL)
+            vp = self.__add_dif_fields_to_vp(vp, submission_property)
             issue_suite = await self._get_issue_suite(
                 issuer_id=issuer_id,
             )
@@ -1307,6 +1301,19 @@ async def create_vp(
             return result_vp[0]
         return result_vp
 
+    def __add_dif_fields_to_vp(
+        self,
+        vp: dict,
+        submission_property: PresentationSubmission
+    ) -> dict:
+        vp["@context"].append(PRESENTATION_SUBMISSION_JSONLD_CONTEXT)
+        vp["type"].append(PRESENTATION_SUBMISSION_JSONLD_TYPE)
+        vp["presentation_submission"] = submission_property.serialize()
+        if self.proof_type is BbsBlsSignature2020.signature_type:
+            vp["@context"].append(SECURITY_CONTEXT_BBS_URL)
+
+        return vp
+
     def check_if_cred_id_derived(self, id: str) -> bool:
         """Check if credential or credentialSubject id is derived."""
         if id.startswith("urn:bnid:_:c14n"):

aries_cloudagent/vc/ld_proofs/document_downloader.py

@@ -45,6 +45,8 @@ class StaticCacheJsonLdDownloader:
         "https://w3id.org/security/v2": "security-v2-context.jsonld",
         "https://w3id.org/security/suites/ed25519-2020/v1": "ed25519-2020-context.jsonld",
         "https://w3id.org/security/bbs/v1": "bbs-v1-context.jsonld",
+        "https://identity.foundation/presentation-exchange/submission/v1":
+            "dif-presentation-exchange-submission-v1.jsonld",
     }
 
     def __init__(

aries_cloudagent/vc/ld_proofs/resources/dif-presentation-exchange-submission-v1.jsonld

@@ -0,0 +1,15 @@
+{
+  "@context": {
+    "@version": 1.1,
+    "PresentationSubmission": {
+      "@id": "https://identity.foundation/presentation-exchange/#presentation-submission",
+      "@context": {
+        "@version": 1.1,
+        "presentation_submission": {
+          "@id": "https://identity.foundation/presentation-exchange/#presentation-submission",
+          "@type": "@json"
+        }
+      }
+    }
+  }
+}

aries_cloudagent/vc/tests/contexts/__init__.py

@@ -1,4 +1,5 @@
 from .did_v1 import DID_V1
+from .dif_presentation_submission_v1 import DIF_PRESENTATION_SUBMISSION_V1
 from .security_v1 import SECURITY_V1
 from .security_v2 import SECURITY_V2
 from .security_v3_unstable import SECURITY_V3_UNSTABLE
@@ -14,6 +15,7 @@
 
 __all__ = [
     "DID_V1",
+    "DIF_PRESENTATION_SUBMISSION_V1",
     "SECURITY_V1",
     "SECURITY_V2",
     "SECURITY_V3_UNSTABLE",

aries_cloudagent/vc/tests/contexts/dif_presentation_submission_v1.py

@@ -0,0 +1,15 @@
+DIF_PRESENTATION_SUBMISSION_V1 = {
+  "@context": {
+    "@version": 1.1,
+    "PresentationSubmission": {
+      "@id": "https://identity.foundation/presentation-exchange/#presentation-submission",
+      "@context": {
+        "@version": 1.1,
+        "presentation_submission": {
+          "@id": "https://identity.foundation/presentation-exchange/#presentation-submission",
+          "@type": "@json"
+        }
+      }
+    }
+  }
+}

aries_cloudagent/vc/tests/document_loader.py

@@ -11,6 +11,7 @@
     VACCINATION_V1,
     ODRL,
     SCHEMA_ORG,
+    DIF_PRESENTATION_SUBMISSION_V1,
 )
 from ..ld_proofs.constants import (
     SECURITY_CONTEXT_V2_URL,
@@ -49,6 +50,7 @@
     "https://www.w3.org/ns/odrl.jsonld": ODRL,
     "http://schema.org/": SCHEMA_ORG,
     "https://w3id.org/vaccination/v1": VACCINATION_V1,
+    "https://identity.foundation/presentation-exchange/submission/v1": DIF_PRESENTATION_SUBMISSION_V1,
 }