Allow skpping indexing inscriptions (ordinals#2900)

src/index.rs

@@ -1986,6 +1986,55 @@ mod tests {
     }
   }
 
+  #[test]
+  fn inscriptions_are_not_indexed_if_no_index_inscriptions_flag_is_set() {
+    let inscription = inscription("text/plain;charset=utf-8", "hello");
+    let template = TransactionTemplate {
+      inputs: &[(1, 0, 0, inscription.to_witness())],
+      ..Default::default()
+    };
+
+    {
+      let context = Context::builder().build();
+      context.mine_blocks(1);
+      let txid = context.rpc_server.broadcast_tx(template.clone());
+      let inscription_id = InscriptionId { txid, index: 0 };
+      context.mine_blocks(1);
+
+      assert_eq!(
+        context.index.get_inscription_by_id(inscription_id).unwrap(),
+        Some(inscription)
+      );
+
+      assert_eq!(
+        context
+          .index
+          .get_inscription_satpoint_by_id(inscription_id)
+          .unwrap(),
+        Some(SatPoint {
+          outpoint: OutPoint { txid, vout: 0 },
+          offset: 0,
+        })
+      );
+    }
+
+    {
+      let context = Context::builder().arg("--no-index-inscriptions").build();
+      context.mine_blocks(1);
+      let txid = context.rpc_server.broadcast_tx(template);
+      let inscription_id = InscriptionId { txid, index: 0 };
+      context.mine_blocks(1);
+
+      assert_eq!(
+        context
+          .index
+          .get_inscription_satpoint_by_id(inscription_id)
+          .unwrap(),
+        None,
+      );
+    }
+  }
+
   #[test]
   fn list_first_coinbase_transaction() {
     let context = Context::builder().arg("--index-sats").build();

src/index/updater.rs

@@ -340,7 +340,8 @@ impl<'index> Updater<'_> {
 
     let mut outpoint_to_value = wtx.open_table(OUTPOINT_TO_VALUE)?;
 
-    let index_inscriptions = self.height >= index.first_inscription_height;
+    let index_inscriptions =
+      self.height >= index.first_inscription_height && !index.options.no_index_inscriptions;
 
     if index_inscriptions {
       // Send all missing input outpoints to be fetched right away
@@ -535,7 +536,7 @@ impl<'index> Updater<'_> {
 
         outpoint_to_sat_ranges.insert(&OutPoint::null().store(), lost_sat_ranges.as_slice())?;
       }
-    } else {
+    } else if index_inscriptions {
       for (tx, txid) in block.txdata.iter().skip(1).chain(block.txdata.first()) {
         inscription_updater.index_envelopes(tx, *txid, None)?;
       }

src/options.rs

@@ -49,6 +49,13 @@ pub(crate) struct Options {
   pub(crate) index_runes: bool,
   #[arg(long, help = "Track location of all satoshis.")]
   pub(crate) index_sats: bool,
+  #[arg(
+    long,
+    short,
+    alias = "noindex_inscriptions",
+    help = "Do not index inscriptions."
+  )]
+  pub(crate) no_index_inscriptions: bool,
   #[arg(long, short, help = "Use regtest. Equivalent to `--chain regtest`.")]
   pub(crate) regtest: bool,
   #[arg(long, help = "Connect to Bitcoin Core RPC at <RPC_URL>.")]