feat: tx cost estimation on mobile

Fuelet · Dec 2, 2023 · 08fc0fb · 08fc0fb
1 parent 9ea5b78
commit 08fc0fb
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Showing 2 changed files with 11 additions and 8 deletions.
diff --git a/packages/flutter_fuels/lib/model/transaction_cost.dart b/packages/flutter_fuels/lib/model/transaction_cost.dart
@@ -3,29 +3,25 @@ class TransactionCost {
   final int gasPrice;
   final int gasUsed;
   final int minFee;
-  final int maxFee;
 
   TransactionCost(
       {required this.minGasPrice,
       required this.gasPrice,
       required this.gasUsed,
-      required this.minFee,
-      required this.maxFee});
+      required this.minFee});
 
   factory TransactionCost.fromJson(Map<String, dynamic> data) {
     return TransactionCost(
         minGasPrice: data['minGasPrice'],
         gasPrice: data['gasPrice'],
         gasUsed: data['gasUsed'],
-        minFee: data['minFee'],
-        maxFee: data['maxFee']);
+        minFee: data['minFee']);
   }
 
   Map<String, dynamic> toJson() => {
         'minGasPrice': minGasPrice,
         'gasPrice': gasPrice,
         'gasUsed': gasUsed,
         'minFee': minFee,
-        'maxFee': maxFee,
       };
 }
diff --git a/packages/flutter_fuels/lib/wallet/platform_impl/mobile_wallet.dart b/packages/flutter_fuels/lib/wallet/platform_impl/mobile_wallet.dart
@@ -111,8 +111,15 @@ class MobileWalletUnlocked extends DartWalletUnlocked {
 
   @override
   Future<transaction_cost.TransactionCost> getTransactionCost(
-      {required String transactionRequestHexOrJson}) {
-    throw UnimplementedError();
+      {required String transactionRequestHexOrJson}) async {
+    final bytes = hex.decode(transactionRequestHexOrJson);
+    final txCost = await _rustWalletUnlocked.estimateTransactionCost(
+        encodedTx: Uint8List.fromList(bytes));
+    return transaction_cost.TransactionCost(
+        minGasPrice: txCost.minGasPrice,
+        gasPrice: txCost.gasPrice,
+        gasUsed: txCost.gasUsed,
+        minFee: txCost.totalFee);
   }
 
   @override