Fix cn confirms off by one

lib/models/isar/models/blockchain_data/utxo.dart

@@ -77,7 +77,9 @@ class UTXO {
   int getConfirmations(int currentChainHeight) {
     if (blockTime == null || blockHash == null) return 0;
     if (blockHeight == null || blockHeight! <= 0) return 0;
-    return max(0, currentChainHeight - (blockHeight! - 1));
+    return _isMonero()
+        ? max(0, currentChainHeight - (blockHeight!))
+        : max(0, currentChainHeight - (blockHeight! - 1));
   }
 
   bool isConfirmed(
@@ -90,6 +92,11 @@ class UTXO {
         (isCoinbase ? minimumCoinbaseConfirms : minimumConfirms);
   }
 
+  // fuzzy
+  bool _isMonero() {
+    return keyImage != null;
+  }
+
   @ignore
   String? get keyImage {
     if (otherData == null) {
@@ -98,7 +105,7 @@ class UTXO {
 
     try {
       final map = jsonDecode(otherData!) as Map;
-      return map["keyImage"] as String;
+      return map[UTXOOtherDataKeys.keyImage] as String;
     } catch (_) {
       return null;
     }
@@ -169,3 +176,8 @@ class UTXO {
   @ignore
   int get hashCode => Object.hashAll([walletId, txid, vout]);
 }
+
+abstract final class UTXOOtherDataKeys {
+  static const keyImage = "keyImage";
+  static const spent = "spent";
+}

lib/models/isar/models/blockchain_data/v2/transaction_v2.dart

@@ -109,7 +109,9 @@ class TransactionV2 {
 
   int getConfirmations(int currentChainHeight) {
     if (height == null || height! <= 0) return 0;
-    return max(0, currentChainHeight - (height! - 1));
+    return _isMonero()
+        ? max(0, currentChainHeight - (height!))
+        : max(0, currentChainHeight - (height! - 1));
   }
 
   bool isConfirmed(

lib/wallets/wallet/intermediate/lib_monero_wallet.dart

@@ -1017,8 +1017,8 @@ abstract class LibMoneroWallet<T extends CryptonoteCurrency>
             .findFirst();
 
         final otherDataMap = {
-          "keyImage": rawUTXO.keyImage,
-          "spent": rawUTXO.spent,
+          UTXOOtherDataKeys.keyImage: rawUTXO.keyImage,
+          UTXOOtherDataKeys.spent: rawUTXO.spent,
         };
 
         final utxo = UTXO(

pubspec.lock

@@ -633,6 +633,14 @@ packages:
       url: "https://github.com/cypherstack/flutter-devicelocale"
     source: git
     version: "0.8.1"
+  digest_auth:
+    dependency: "direct main"
+    description:
+      name: digest_auth
+      sha256: c8f4a8d65300bd58c4a2ca84ea6bd63cb584e8021e5689c600ee7efae34d73ea
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
   dio:
     dependency: transitive
     description:
@@ -1360,6 +1368,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.2.0"
+  monero_rpc:
+    dependency: "direct main"
+    description:
+      name: monero_rpc
+      sha256: "6052b6812e3e831015d776645d0d880fce5b9632d9df2cacae54b5e10ffe2db5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   mutex:
     dependency: "direct main"
     description: