expanded context implementation

did-utils/src/didcore.rs

@@ -4,7 +4,7 @@ use chrono::{DateTime, Utc};
 use serde::{ser::SerializeMap, Deserialize, Deserializer, Serialize, Serializer};
 use serde_json::Value;
 
-use crate::proof::model::Proof;
+use crate::{ldmodel::Context, proof::model::Proof};
 
 // === Structure of a did document ===
 
@@ -67,13 +67,6 @@ pub struct Document {
     pub proof: Option<Proofs>,
 }
 
-#[derive(Serialize, Debug, Clone, PartialEq, Deserialize)]
-#[serde(untagged)]
-pub enum Context {
-    SingleString(String),
-    SetOfString(Vec<String>),
-}
-
 #[derive(Serialize, Debug, Clone, PartialEq, Deserialize)]
 #[serde(untagged)]
 pub enum Controller {

did-utils/src/didkit.rs

@@ -1,5 +1,5 @@
 // Module: didkit
-use crate::didcore::{Document, Context, VerificationMethod, Authentication, AssertionMethod, KeyAgreement, Service};
+use crate::{didcore::{Document, VerificationMethod, Authentication, AssertionMethod, KeyAgreement, Service}, ldmodel::Context};
 
 
 impl VerificationMethod {

did-utils/src/ldmodel.rs

@@ -0,0 +1,13 @@
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
+#[derive(Serialize, Debug, Clone, PartialEq, Deserialize)]
+#[serde(untagged)]
+// The @context property defines the vocabulary used in the JSON-LD document.
+// It provides a way to map the keys in the JSON structure to specific terms,
+// properties, and classes from external vocabularies.
+pub enum Context {
+    SingleString(String),
+    SetOfString(Vec<String>),
+    JsonObject(Value),
+}

did-utils/src/lib.rs

@@ -1,4 +1,6 @@
 pub mod crypto;
 pub mod didcore;
 pub mod didkit;
-pub mod proof; 
+pub mod proof;
+pub mod vc;
+pub mod ldmodel;

did-utils/src/vc/mod.rs

@@ -0,0 +1 @@
+pub mod model;