Make inscriptions with pointer cursed (#2523)

src/index.rs

@@ -4232,6 +4232,48 @@ mod tests {
     }
   }
 
+  #[test]
+  fn inscription_with_pointer_is_cursed() {
+    for context in Context::configurations() {
+      context.mine_blocks(1);
+
+      let inscription = Inscription {
+        content_type: Some("text/plain".into()),
+        body: Some("pointer-child".into()),
+        pointer: Some(0u64.to_le_bytes().to_vec()),
+        ..Default::default()
+      };
+
+      let txid = context.rpc_server.broadcast_tx(TransactionTemplate {
+        inputs: &[(1, 0, 0, inscription.to_witness())],
+        ..Default::default()
+      });
+
+      context.mine_blocks(1);
+
+      let inscription_id = InscriptionId { txid, index: 0 };
+
+      context.index.assert_inscription_location(
+        inscription_id,
+        SatPoint {
+          outpoint: OutPoint { txid, vout: 0 },
+          offset: 0,
+        },
+        Some(50 * COIN_VALUE),
+      );
+
+      assert_eq!(
+        context
+          .index
+          .get_inscription_entry(inscription_id)
+          .unwrap()
+          .unwrap()
+          .inscription_number,
+        -1
+      );
+    }
+  }
+
   #[test]
   fn inscription_with_pointer_to_parent_is_cursed_reinscription() {
     for context in Context::configurations() {

src/index/updater/inscription_updater.rs

@@ -185,6 +185,8 @@ impl<'a, 'db, 'tx> InscriptionUpdater<'a, 'db, 'tx> {
           Some(Curse::NotInFirstInput)
         } else if inscription.offset != 0 {
           Some(Curse::NotAtOffsetZero)
+        } else if inscription.payload.pointer.is_some() {
+          Some(Curse::Pointer)
         } else if inscription.pushnum {
           Some(Curse::Pushnum)
         } else if inscribed_offsets.contains_key(&offset) {

src/inscription.rs

@@ -17,6 +17,7 @@ pub(crate) enum Curse {
   IncompleteField,
   NotAtOffsetZero,
   NotInFirstInput,
+  Pointer,
   Pushnum,
   Reinscription,
   UnrecognizedEvenField,