fix: disallow affirming delivery of orders where giver is hidden

src/libs/util.ts

@@ -472,7 +472,7 @@ export function offerGiverDid(
   if (giver && !serverUtil.isHiddenDid(giver)) {
     return giver;
   }
-  return giver;
+  return undefined;
 }
 
 /**

src/views/ClaimView.vue

@@ -223,14 +223,23 @@
     </div>
     <div class="mt-8">
       <button
-        v-if="libsUtil.canFulfillOffer(veriClaim, isRegistered)"
-        class="col-span-1 block w-fit text-center text-md bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white px-1.5 py-2 rounded-md"
-        @click="openFulfillGiftDialog()"
+        v-if="veriClaim.claimType === 'Offer'"
+        class="col-span-1 block w-fit text-center text-md px-1.5 py-2 rounded-md"
+        :class="
+          libsUtil.canFulfillOffer(veriClaim, isRegistered)
+            ? 'bg-gradient-to-b from-blue-400 to-blue-700 shadow-[inset_0_-1px_0_0_rgba(0,0,0,0.5)] text-white'
+            : 'bg-gray-300 text-gray-500 cursor-pointer opacity-50'
+        "
+        @click="handleAffirmDeliveryClick()"
       >
         Affirm Delivery
         <font-awesome
           icon="hand-holding-heart"
-          class="ml-2 text-white cursor-pointer"
+          :class="
+            libsUtil.canFulfillOffer(veriClaim, isRegistered)
+              ? 'ml-2 text-white cursor-pointer'
+              : 'ml-2 text-gray-500 cursor-pointer'
+          "
         />
       </button>
     </div>
@@ -1103,6 +1112,20 @@ export default class ClaimView extends Vue {
     });
   }
 
+  handleAffirmDeliveryClick() {
+    if (!this.isRegistered) {
+      this.notify.error("You must be registered to affirm delivery.");
+      return;
+    }
+    if (!libsUtil.canFulfillOffer(this.veriClaim, this.isRegistered)) {
+      this.notify.error(
+        "You cannot see all the information in this offer so you cannot affirm delivery.",
+      );
+      return;
+    }
+    this.openFulfillGiftDialog();
+  }
+
   openFulfillGiftDialog() {
     const giver: libsUtil.GiverReceiverInputInfo = {
       did: libsUtil.offerGiverDid(