Start implementation for VpTokenItem From method for specific JsonPre…

…sentation

src/core/response/parameters.rs

@@ -2,9 +2,16 @@ pub use crate::core::authorization_request::parameters::State;
 use crate::core::object::TypedParameter;
 
 use anyhow::Error;
+use serde::ser::Serialize as _;
 use serde::{Deserialize, Serialize};
 use serde_json::Value as Json;
-use ssi::{claims::vc, one_or_many::OneOrManyRef, prelude::AnyJsonPresentation, OneOrMany};
+use ssi::{
+    claims::vc::{self, v2::SpecializedJsonCredential},
+    json_ld::{JsonLdObject, Object},
+    one_or_many::OneOrManyRef,
+    prelude::AnyJsonPresentation,
+    OneOrMany,
+};
 
 #[derive(Debug, Clone)]
 pub struct IdToken(pub String);
@@ -187,6 +194,20 @@ impl From<vc::v2::syntax::JsonPresentation> for VpTokenItem {
     }
 }
 
+impl From<vc::v2::syntax::JsonPresentation<SpecializedJsonCredential<Object>>> for VpTokenItem {
+    fn from(value: vc::v2::syntax::JsonPresentation<SpecializedJsonCredential<Object>>) -> Self {
+        let serde_json::Value::Object(obj) = serde_json::to_value(value)
+            // SAFETY: by definition a VCDM2.0 presentation is a JSON object.
+            .unwrap()
+        else {
+            // SAFETY: by definition a VCDM2.0 presentation is a JSON object.
+            unreachable!()
+        };
+
+        Self::JsonObject(obj)
+    }
+}
+
 impl From<AnyJsonPresentation> for VpTokenItem {
     fn from(value: AnyJsonPresentation) -> Self {
         let serde_json::Value::Object(obj) = serde_json::to_value(value)