Add fetchValueFromStorage

src/services/service.ts

@@ -546,14 +546,24 @@ export default class Services {
       if (state.merkle_root === "") {
         continue;
       }
+      if (!state.encrypted_pcd) {
+        console.warn('Empty encrypted pcd, skipping...');
+        continue;
+      } 
       for (const [field, hash] of Object.entries(state.pcd_commitment)) { 
         // get the encrypted value with the field name
         const value = state.encrypted_pcd[field]; 
         await storeData(storages, hash, value, null);
       }
     }
-
   }
+
+  public async fetchValueFromStorage(hash: string): Promise<any | null> {
+    const storages = [storageUrl];
+
+    return await retrieveData(storages, hash);
+  }
+
   public async saveDiffs(diffs: UserDiff[]) {
     const db = await Database.getInstance();
     try {