From 1ddf94613056cf1464cd0d5a227e5c1ba90965ac Mon Sep 17 00:00:00 2001
From: OmarHatem <omarh.ismail1@gmail.com>
Date: Tue, 31 Dec 2024 08:04:49 +0200
Subject: [PATCH] Disable mweb coins for exchanges

---
 lib/view_model/send/send_view_model.dart | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/view_model/send/send_view_model.dart b/lib/view_model/send/send_view_model.dart
index 78bc867db..cafe89cb1 100644
--- a/lib/view_model/send/send_view_model.dart
+++ b/lib/view_model/send/send_view_model.dart
@@ -394,7 +394,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
 
       if (wallet.isHardwareWallet) state = IsAwaitingDeviceResponseState();
 
-      pendingTransaction = await wallet.createTransaction(_credentials());
+      pendingTransaction = await wallet.createTransaction(_credentials(provider));
 
       if (provider is ThorChainExchangeProvider) {
         final outputCount = pendingTransaction?.outputCount ?? 0;
@@ -522,7 +522,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
   void setTransactionPriority(TransactionPriority priority) =>
       _settingsStore.priority[wallet.type] = priority;
 
-  Object _credentials() {
+  Object _credentials([ExchangeProvider? provider]) {
     final priority = _settingsStore.priority[wallet.type];
 
     if (priority == null &&
@@ -535,7 +535,6 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
 
     switch (wallet.type) {
       case WalletType.bitcoin:
-      case WalletType.litecoin:
       case WalletType.bitcoinCash:
         return bitcoin!.createBitcoinTransactionCredentials(
           outputs,
@@ -543,6 +542,14 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
           feeRate: customBitcoinFeeRate,
           coinTypeToSpendFrom: coinTypeToSpendFrom,
         );
+      case WalletType.litecoin:
+        return bitcoin!.createBitcoinTransactionCredentials(
+          outputs,
+          priority: priority!,
+          feeRate: customBitcoinFeeRate,
+          // if it's an exchange flow then disable sending from mweb coins
+          coinTypeToSpendFrom: provider != null ? UnspentCoinType.nonMweb : coinTypeToSpendFrom,
+        );
 
       case WalletType.monero:
         return monero!