fix(prism-agent): fix credential schema parsing as spec (#841)

Signed-off-by: Benjamin Voiturier <[email protected]>

pollux/lib/core/src/main/scala/io/iohk/atala/pollux/core/service/PresentationServiceImpl.scala

@@ -10,11 +10,11 @@ import io.iohk.atala.mercury.protocol.issuecredential.IssueCredentialIssuedForma
 import io.iohk.atala.mercury.protocol.presentproof.*
 import io.iohk.atala.pollux.anoncreds.*
 import io.iohk.atala.pollux.core.model.*
+import io.iohk.atala.pollux.core.model.error.CredentialSchemaError.CredentialSchemaParsingError
 import io.iohk.atala.pollux.core.model.error.PresentationError
 import io.iohk.atala.pollux.core.model.error.PresentationError.*
 import io.iohk.atala.pollux.core.model.presentation.*
 import io.iohk.atala.pollux.core.model.schema.CredentialDefinition
-import io.iohk.atala.pollux.core.model.schema.CredentialSchema.parseCredentialSchema
 import io.iohk.atala.pollux.core.model.schema.`type`.anoncred.AnoncredSchemaSerDesV1
 import io.iohk.atala.pollux.core.repository.{CredentialRepository, PresentationRepository}
 import io.iohk.atala.pollux.core.service.serdes.{
@@ -27,6 +27,7 @@ import io.iohk.atala.pollux.vc.jwt.*
 import io.iohk.atala.shared.models.WalletAccessContext
 import io.iohk.atala.shared.utils.aspects.CustomMetricsAspect
 import zio.{ZIO, *}
+import zio.json.*
 
 import java.net.URI
 import java.rmi.UnexpectedException
@@ -596,10 +597,9 @@ private class PresentationServiceImpl(
     for {
       uri <- ZIO.attempt(new URI(schemaId)).mapError(e => UnexpectedError(e.getMessage))
       content <- uriDereferencer.dereference(uri).mapError(e => UnexpectedError(e.error))
-      vcSchema <- parseCredentialSchema(content).mapError(e => UnexpectedError(e.message))
-      anoncredSchema <- AnoncredSchemaSerDesV1.schemaSerDes
-        .deserialize(vcSchema.schema)
-        .mapError(e => UnexpectedError(e.error))
+      anoncredSchema <- ZIO
+        .fromEither(content.fromJson[AnoncredSchemaSerDesV1])
+        .mapError(error => UnexpectedError(s"AnonCreds Schema parsing error: $error"))
       anoncredLibSchema =
         AnoncredSchemaDef(
           schemaId,

pollux/lib/core/src/test/resources/anoncred-presentation-schema-example.json

@@ -1,26 +1,10 @@
 {
-  "guid": "1631026d-5d55-3285-8ccd-bd70480cfbdc",
-  "id": "329da384-b2bb-497f-a605-4118dec75d31",
-  "longId": "did:prism:4a5b5cf0a513e83b598bbea25cd6196746747f361a73ef77068268bc9bd732ff/329da384-b2bb-497f-a605-4118dec75d31?version=5.0.0",
-  "name": "DrivingLicense",
-  "version": "5.0.0",
-  "tags": [
-    "string"
+  "name": "resource:///anoncred-presentation-schema-example.json",
+  "version": "1.0",
+  "attrNames": [
+    "name",
+    "sex",
+    "age"
   ],
-  "description": "Simple credential schema for the driving licence verifiable credential.",
-  "type": "AnoncredSchemaV1",
-  "schema": {
-      "name": "resource:///anoncred-presentation-schema-example.json",
-      "version": "1.0",
-      "attrNames": [
-        "name",
-        "sex",
-        "age"
-      ],
-      "issuerId": "did:prism:issuer"
-  },
-  "author": "did:prism:4a5b5cf0a513e83b598bbea25cd6196746747f361a73ef77068268bc9bd732ff",
-  "authored": "2023-04-06T08:48:01.654162Z",
-  "kind": "CredentialSchema",
-  "self": "/schema-registry/schemas/1631026d-5d55-3285-8ccd-bd70480cfbdc"
-}
+  "issuerId": "did:prism:issuer"
+}