fix: ui and data for the swap confirmation page

lib/app/features/wallets/model/swap_coin_data.f.dart

@@ -17,7 +17,6 @@ class SwapCoinData with _$SwapCoinData {
     NetworkData? buyNetwork,
     SwapQuoteInfo? swapQuoteInfo,
     @Default(false) bool isQuoteLoading,
-    @Default(false) bool isQuoteError,
     @Default(0) double amount,
     BigInt? quoteAmount,
     Exception? quoteError,
@@ -26,4 +25,6 @@ class SwapCoinData with _$SwapCoinData {
   const SwapCoinData._();
 
   static const double defaultSlippage = 3;
+
+  bool get isQuoteError => quoteError != null;
 }

lib/app/features/wallets/providers/send_coins_notifier_provider.r.dart

@@ -26,7 +26,6 @@ import 'package:ion/app/features/wallets/model/transaction_details.f.dart';
 import 'package:ion/app/features/wallets/model/transaction_status.f.dart';
 import 'package:ion/app/features/wallets/model/transaction_type.dart';
 import 'package:ion/app/features/wallets/model/transfer_result.f.dart';
-import 'package:ion/app/features/wallets/providers/send_asset_form_provider.r.dart';
 import 'package:ion/app/features/wallets/providers/synced_coins_by_symbol_group_provider.r.dart';
 import 'package:ion/app/features/wallets/providers/wallet_view_data_provider.r.dart';
 import 'package:ion/app/services/logger/logger.dart';
@@ -57,8 +56,6 @@ class SendCoinsNotifier extends _$SendCoinsNotifier {
     state = const AsyncValue.loading();
 
     state = await AsyncValue.guard(() async {
-      final form = ref.read(sendAssetFormControllerProvider);
-
       final coinAssetData = _extractCoinAssetData(form);
       final (senderWallet, sendableAsset, selectedOption) =
           _validateFormComponents(form, coinAssetData);

lib/app/features/wallets/views/pages/coins_flow/swap_coins/components/conversion_info_row.dart

@@ -133,6 +133,8 @@ class _ErrorState extends StatelessWidget {
           quoteError! as OkxException,
         ),
       InsufficientBalanceException() => context.i18n.error_swap_82000,
+      final AmountBelowMinimumException ex =>
+        context.i18n.error_swap_amount_below_min(ex.minAmount, ex.symbol),
       _ => context.i18n.error_getting_swap_quote,
     };
   }
@@ -212,11 +214,13 @@ class _ErrorState extends StatelessWidget {
             size: 16.0.s,
           ),
           SizedBox(width: 5.0.s),
-          Text(
-            _getErrorMessage(
-              context,
+          Expanded(
+            child: Text(
+              _getErrorMessage(
+                context,
+              ),
+              style: textStyles.body2.copyWith(),
             ),
-            style: textStyles.body2.copyWith(),
           ),
         ],
       ),

lib/app/features/wallets/views/pages/coins_flow/swap_coins/exceptions/insufficient_balance_exception.dart

@@ -1,3 +1,10 @@
 // SPDX-License-Identifier: ice License 1.0
 
 final class InsufficientBalanceException implements Exception {}
+
+final class AmountBelowMinimumException implements Exception {
+  AmountBelowMinimumException({required this.symbol, required this.minAmount});
+
+  final String symbol;
+  final String minAmount;
+}

lib/app/features/wallets/views/pages/coins_flow/swap_coins/providers/swap_coins_controller_provider.r.dart

@@ -21,6 +21,8 @@ import 'package:ion/app/services/ion_swap_client/ion_swap_client_provider.r.dart
 import 'package:ion/app/services/sentry/sentry_service.dart';
 import 'package:ion/app/services/storage/local_storage.r.dart';
 import 'package:ion_identity_client/ion_identity.dart';
+import 'package:ion_swap_client/exceptions/exolix_exceptions.dart';
+import 'package:ion_swap_client/exceptions/ion_swap_exception.dart';
 import 'package:ion_swap_client/exceptions/okx_exceptions.dart';
 import 'package:ion_swap_client/exceptions/relay_exception.dart';
 import 'package:ion_swap_client/models/ion_swap_request.dart';
@@ -55,7 +57,6 @@ class SwapCoinsController extends _$SwapCoinsController {
         buyNetwork: null,
         swapQuoteInfo: null,
         amount: 0,
-        isQuoteError: false,
         isQuoteLoading: false,
         quoteAmount: null,
         quoteError: null,
@@ -94,7 +95,6 @@ class SwapCoinsController extends _$SwapCoinsController {
 
     if (sellCoinInWallet.amount < amount) {
       state = state.copyWith(
-        isQuoteError: true,
         quoteError: InsufficientBalanceException(),
         swapQuoteInfo: null,
       );
@@ -474,31 +474,48 @@ class SwapCoinsController extends _$SwapCoinsController {
         swapCoinData: swapCoinParameters,
       );
 
+      final isValidAmount = _validateAmount(swapCoinParameters.amount, swapQuoteInfo);
+      if (!isValidAmount) {
+        return;
+      }
+
       state = state.copyWith(
         isQuoteLoading: false,
         swapQuoteInfo: swapQuoteInfo,
-        isQuoteError: false,
         quoteError: null,
       );
     } catch (e, stackTrace) {
-      await SentryService.logException(
-        e,
-        stackTrace: stackTrace,
-        tag: 'get_swap_quote_failure',
-      );
-
       Exception? quoteError;
 
-      if (e is OkxException || e is RelayException) {
+      if (e is ExolixBelowMinimumException) {
+        state = state.copyWith(
+          isQuoteLoading: false,
+          swapQuoteInfo: null,
+          quoteError: AmountBelowMinimumException(
+            minAmount: e.minAmount.toString(),
+            symbol: (state.sellCoin?.abbreviation ?? '').toUpperCase(),
+          ),
+        );
+        return;
+      }
+
+      if (e is OkxException || e is RelayException || e is ExolixException) {
         quoteError = e as Exception;
       }
 
       state = state.copyWith(
         isQuoteLoading: false,
         swapQuoteInfo: null,
-        isQuoteError: true,
         quoteError: quoteError,
       );
+
+      if (e is! IonSwapException) {
+        await SentryService.logException(
+          e,
+          stackTrace: stackTrace,
+          tag: 'get_swap_quote_failure',
+        );
+      }
     }
   }
 
@@ -523,6 +540,38 @@ class SwapCoinsController extends _$SwapCoinsController {
     return null;
   }
 
+  bool _validateAmount(String userAmountStr, SwapQuoteInfo quoteInfo) {
+    final userAmount = double.tryParse(userAmountStr);
+    if (userAmount == null) return true;
+
+    final (minAmountValue, minAmountStr) = switch (quoteInfo.source) {
+      SwapQuoteInfoSource.exolix when quoteInfo.exolixQuote != null => (
+          quoteInfo.exolixQuote!.minAmount,
+          quoteInfo.exolixQuote!.minAmount.toString(),
+        ),
+      SwapQuoteInfoSource.letsExchange when quoteInfo.letsExchangeQuote != null => (
+          double.tryParse(quoteInfo.letsExchangeQuote!.minAmount),
+          quoteInfo.letsExchangeQuote!.minAmount,
+        ),
+      _ => (null, '0'),
+    };
+
+    if (minAmountValue == null || userAmount >= minAmountValue) {
+      return true;
+    }
+
+    state = state.copyWith(
+      swapQuoteInfo: null,
+      isQuoteLoading: false,
+      quoteError: AmountBelowMinimumException(
+        minAmount: minAmountStr,
+        symbol: (state.sellCoin?.abbreviation ?? '').toUpperCase(),
+      ),
+    );
+
+    return false;
+  }
+
   Future<bool> getIsIonBscSwap() async {
     final (:swapQuoteInfo, :swapCoinParameters, :sellNetwork, :sellCoin) = await _getData();