improve ordinal heuristic

and formatting

lib/services/coins/litecoin/litecoin_wallet.dart

@@ -136,7 +136,7 @@ class LitecoinWallet extends CoinServiceAPI
     _secureStore = secureStore;
     initCache(walletId, coin);
     initWalletDB(mockableOverride: mockableOverride);
-    initOrdinalsInterface(walletId:walletId, coin: coin, db: db);
+    initOrdinalsInterface(walletId: walletId, coin: coin, db: db);
     initCoinControlInterface(
       walletId: walletId,
       walletName: walletName,
@@ -1871,14 +1871,6 @@ class LitecoinWallet extends CoinServiceAPI
           String? blockReason;
           String? label;
 
-          final utxoAmount = jsonUTXO["value"] as int;
-
-          if (utxoAmount <= 10000) {
-            shouldBlock = true;
-            blockReason = "May contain ordinal";
-            label = "Possible ordinal";
-          }
-
           final vout = jsonUTXO["tx_pos"] as int;
 
           final outputs = txn["vout"] as List;
@@ -1893,6 +1885,25 @@ class LitecoinWallet extends CoinServiceAPI
             }
           }
 
+          final utxoAmount = jsonUTXO["value"] as int;
+
+          // TODO check the specific output, not just the address in general
+          // TODO optimize by querying the litescribe API for all addresses at once, instead of one API call per output
+          if (utxoOwnerAddress != null) {
+            if (await inscriptionInAddress(utxoOwnerAddress!)) {
+              shouldBlock = true;
+              blockReason = "Ordinal";
+              label = "Ordinal detected at address";
+            }
+          } else {
+            // TODO implement inscriptionInOutput
+            if (utxoAmount <= 10000) {
+              shouldBlock = true;
+              blockReason = "May contain ordinal";
+              label = "Possible ordinal";
+            }
+          }
+
           final utxo = isar_models.UTXO(
             walletId: walletId,
             txid: txn["txid"] as String,

lib/services/mixins/ordinals_interface.dart

@@ -65,4 +65,30 @@ mixin OrdinalsInterface {
     }
     return allInscriptions;
   }
+
+  // check if an inscription is in a given <UTXO> output
+  Future<bool> inscriptionInOutput(UTXO output) async {
+    if (output.address != null) {
+      var inscriptions =
+          await litescribeAPI.getInscriptionsByAddress("${output.address}");
+      if (inscriptions.isNotEmpty) {
+        return true;
+      } else {
+        return false;
+      }
+    } else {
+      throw UnimplementedError(
+          'TODO look up utxo without address. utxo->txid:output->address');
+    }
+  }
+
+  // check if an inscription is in a given <UTXO> output
+  Future<bool> inscriptionInAddress(String address) async {
+    var inscriptions = await litescribeAPI.getInscriptionsByAddress(address);
+    if (inscriptions.isNotEmpty) {
+      return true;
+    } else {
+      return false;
+    }
+  }
 }