feat: Add new static variables

Author: azuzi

src/main/java/com/danubetech/verifiablecredentials/jsonld/VerifiableCredentialContexts.java

@@ -15,7 +15,7 @@
 public class VerifiableCredentialContexts {
 
     public static final URI JSONLD_CONTEXT_W3C_2018_CREDENTIALS_V1 = URI.create("https://www.w3.org/2018/credentials/v1");
-    public static final URI JSONLD_CONTEXT_W3C_2018_CREDENTIALS_V2 = URI.create("https://www.w3.org/2018/credentials/v2");
+    public static final URI JSONLD_CONTEXT_W3C_CREDENTIALS_V2 = URI.create("https://www.w3.org/ns/credentials/v2");
     public static final URI JSONLD_CONTEXT_W3C_2018_CREDENTIALS_EXAMPLES_V1 = URI.create("https://www.w3.org/2018/credentials/examples/v1");
     public static final URI JSONLD_CONTEXT_W3C_NS_ODRL = URI.create("https://www.w3.org/ns/odrl.jsonld");
     public static final URI JSONLD_CONTEXT_DANUBETECH_2020_CREDENTIALS_V1 = URI.create("https://danubetech.com/2020/credentials/v1");
@@ -36,8 +36,8 @@ public class VerifiableCredentialContexts {
 
             CONTEXTS.put(JSONLD_CONTEXT_W3C_2018_CREDENTIALS_V1,
                     JsonDocument.of(MediaType.JSON_LD, Objects.requireNonNull(VerifiableCredentialContexts.class.getResourceAsStream("credentials-v1.jsonld"))));
-            CONTEXTS.put(JSONLD_CONTEXT_W3C_2018_CREDENTIALS_V2,
-                    JsonDocument.of(MediaType.JSON_LD, Objects.requireNonNull(VerifiableCredentialContexts.class.getResourceAsStream("credentials-v2-unstable.jsonld"))));
+            CONTEXTS.put(JSONLD_CONTEXT_W3C_CREDENTIALS_V2,
+                    JsonDocument.of(MediaType.JSON_LD, Objects.requireNonNull(VerifiableCredentialContexts.class.getResourceAsStream("credentials-v2.jsonld"))));
             CONTEXTS.put(JSONLD_CONTEXT_W3C_2018_CREDENTIALS_EXAMPLES_V1,
                     JsonDocument.of(MediaType.JSON_LD, Objects.requireNonNull(VerifiableCredentialContexts.class.getResourceAsStream("credentials-examples-v1.jsonld"))));
             CONTEXTS.put(JSONLD_CONTEXT_W3C_NS_ODRL,

src/main/java/com/danubetech/verifiablecredentials/jsonld/VerifiableCredentialKeywords.java

@@ -43,4 +43,19 @@ public class VerifiableCredentialKeywords {
     public static final String JSONLD_TERM_STATUSLISTINDEX = "statusListIndex";
     public static final String JSONLD_TERM_STATUSLISTCREDENTIAL = "statusListCredential";
     public static final String JSONLD_TERM_STATUSPURPOSE = "statusPurpose";
+
+    /*
+     * https://www.w3.org/ns/credentials/v2
+     */
+    public static final String JSONLD_TERM_VALIDFROM = "validFrom";
+    public static final String JSONLD_TERM_VALIDUNTIL = "validUntil";
+    public static final String JSONLD_TERM_STATUS = "status";
+    public static final String JSONLD_TERM_CREDENTIALSCHEMA = "credentialSchema";
+    public static final String JSONLD_TERM_REFRESHSERVICE = "refreshService";
+    public static final String JSONLD_TERM_TERMSOFUSE = "termsOfUse";
+    public static final String JSONLD_TERM_EVIDENCE = "evidence";
+    public static final String JSONLD_TERM_NAME = "name";
+    public static final String JSONLD_TERM_DESCRIPTION = "description";
+
+
 }