drop evidence from verification

Author: mastro993

ts/features/itwallet/common/utils/itwCredentialUtils.ts

@@ -9,7 +9,7 @@ import {
   CredentialFormat,
   ItwCredentialStatus,
   StoredCredential,
-  Verification
+  StoredVerification
 } from "./itwTypesUtils";
 
 // Credentials that can be actively requested and obtained by the user
@@ -129,25 +129,34 @@ export const validCredentialStatuses: Array<ItwCredentialStatus> = [
 
 /**
  * Extracts the verification object from a stored credential based on its format.
+ * Only persists `trust_framework` and `assurance_level`, excluding `evidence`
+ * which is being dropped in spec v1.3.3.
  * @param credential - The stored credential fields needed to extract verification
- * @returns The verification object or undefined if extraction fails
+ * @returns The slim verification object or undefined if extraction fails
  */
 export const extractVerification = ({
   format,
   credential,
   parsedCredential
 }: Pick<StoredCredential, "format" | "credential" | "parsedCredential">):
-  | Verification
+  | StoredVerification
   | undefined => {
   try {
-    switch (format) {
-      case CredentialFormat.SD_JWT:
-        return SdJwt.getVerification(credential);
-      case CredentialFormat.MDOC:
-        return Mdoc.getVerificationFromParsedCredential(parsedCredential);
-      default:
-        return undefined;
+    const verification = (() => {
+      switch (format) {
+        case CredentialFormat.SD_JWT:
+          return SdJwt.getVerification(credential);
+        case CredentialFormat.MDOC:
+          return Mdoc.getVerificationFromParsedCredential(parsedCredential);
+        default:
+          return undefined;
+      }
+    })();
+    if (!verification) {
+      return undefined;
     }
+    const { trust_framework, assurance_level } = verification;
+    return { trust_framework, assurance_level };
   } catch {
     return undefined;
   }

ts/features/itwallet/common/utils/itwTypesUtils.ts

@@ -92,6 +92,16 @@ export type Verification = NonNullable<
   ReturnType<typeof SdJwt.getVerification>
 >;
 
+/**
+ * Slim version of Verification for storage.
+ * Only persists the fields actually used by the app.
+ * The `evidence` field is excluded as it's being dropped in spec v1.3.3.
+ */
+export type StoredVerification = Pick<
+  Verification,
+  "trust_framework" | "assurance_level"
+>;
+
 export type StoredStatusAssertion =
   | {
       credentialStatus: "valid";
@@ -126,7 +136,7 @@ export type StoredCredential = {
     issuedAt?: string;
   };
   spec_version: string;
-  verification?: Verification;
+  verification?: StoredVerification;
 };
 
 // Digital credential status