6.1.0 fixes (#3190)

* - Fix swap state not maintained (fixed rate can be on or off at the same time)
- Fix Pay Anything putting contract address
- Pick the token of the URI

* fix incorrect function calls [skip ci]

lib/exchange/provider/swaptrade_exchange_provider.dart

@@ -94,6 +94,9 @@ class SwapTradeExchangeProvider extends ExchangeProvider {
   }) async {
     try {
       if (amount == 0) return 0.0;
+      if (isFixedRateMode && !supportsFixedRate) {
+        return 0.0;
+      }
       if(from == CryptoCurrency.btcln || to == CryptoCurrency.btcln) return 0;
 
       final params = <String, dynamic>{};

lib/new-ui/pages/swap_page.dart

@@ -378,11 +378,12 @@ class _NewSwapPageState extends State<NewSwapPage> {
 
   @override
   void dispose() {
-    super.dispose();
     _depositAmountFocus.dispose();
     _depositAddressFocus.dispose();
     _receiveAmountFocus.dispose();
     _receiveAddressFocus.dispose();
+    widget.exchangeViewModel.dispose();
+    super.dispose();
   }
 
   void _onCurrencyChange(CryptoCurrency currency, ExchangeViewModel exchangeViewModel,

lib/new-ui/widgets/send_page/send_address_input.dart

@@ -169,7 +169,11 @@ class _NewSendAddressInputState extends State<NewSendAddressInput> {
 
     try {
       final uri = Uri.parse(code);
-      widget.addressController.text = uri.path;
+      // probably should remove this and let the `onURIScanned` handle it, but for now,
+      // will fix that it takes the token contract address
+      if (!uri.path.contains("/transfer")) {
+        widget.addressController.text = uri.path;
+      }
       widget.onURIScanned?.call(uri);
     } catch (_) {
       widget.addressController.text = code;

lib/src/screens/settings/connection_sync_page.dart

@@ -100,7 +100,7 @@ class ConnectionSyncPage extends BasePage {
                                 label: S.of(context).arbiscan_history,
                                 value: _connectionSyncViewModel.useArbiScan,
                                 onChanged: (val) {
-                                  _connectionSyncViewModel.setUsePolygonScan(val);
+                                  _connectionSyncViewModel.setUseArbiScan(val);
                                 }),
                           if (_connectionSyncViewModel.canUseBscScan)
                             ListItemToggle(
@@ -116,7 +116,7 @@ class ConnectionSyncPage extends BasePage {
                                 label: S.of(context).trongrid_history,
                                 value: _connectionSyncViewModel.useTronGrid,
                                 onChanged: (val) {
-                                  _connectionSyncViewModel.setUsePolygonScan(val);
+                                  _connectionSyncViewModel.setUseTronGrid(val);
                                 }),
                           if (_connectionSyncViewModel.canUseMempoolFeeAPI)
                             ListItemToggle(

lib/src/widgets/bottom_sheet/token_selection_bottom_sheet.dart

@@ -15,6 +15,9 @@ import 'package:cake_wallet/wallet_types.g.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/currency.dart';
 import 'package:cw_core/currency_for_wallet_type.dart';
+import 'package:cw_core/erc20_token.dart';
+import 'package:cw_core/spl_token.dart';
+import 'package:cw_core/tron_token.dart';
 import 'package:cw_core/utils/print_verbose.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
@@ -78,7 +81,8 @@ class _TokenSelectionContentState extends State<_TokenSelectionContent> {
     _autoSelectToken();
   }
 
-  bool get _isNetworkSelectable => widget.fixedNetwork == null || isEVMCompatibleChain(widget.fixedNetwork!);
+  bool get _isNetworkSelectable =>
+      widget.fixedNetwork == null || isEVMCompatibleChain(widget.fixedNetwork!);
 
   Future<void> _autoSelectToken() async {
     if (selectedNetwork == null) return;
@@ -102,7 +106,11 @@ class _TokenSelectionContentState extends State<_TokenSelectionContent> {
       }
 
       setState(() {
-        selectedToken = tokens.first;
+        selectedToken = tokens.firstWhere((e) {
+          return (e is Erc20Token && e.contractAddress == widget.paymentRequest.contractAddress) ||
+              (e is SPLToken && e.mintAddress == widget.paymentRequest.contractAddress) ||
+              (e is TronToken && e.contractAddress == widget.paymentRequest.contractAddress);
+        }, orElse: () => tokens.first);
         isLoadingTokens = false;
       });
     } catch (e) {

lib/utils/exception_handler.dart

@@ -304,6 +304,7 @@ class ExceptionHandler {
     "Image upload failed due to loss of GPU access",
     "transport error",
     "SdkError.sparkError(field0: Operator RPC error: Connection error: status: Unavailable, message: \"dns error\", details: []",
+    "the timeout of the request was reached",
 
     "support for coin removed, your seedphrase:"
   ];

lib/view_model/exchange/exchange_view_model.dart

@@ -82,6 +82,16 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     // depositCurrency = wallet.currency;
   }
 
+  final List<ReactionDisposer> _disposers = [];
+
+  void dispose() {
+    bestRateSync.cancel();
+    for (final disposer in _disposers) {
+      disposer();
+    }
+    _disposers.clear();
+  }
+
   ExchangeViewModelBase(
     this._appStore,
     this.trades,
@@ -166,11 +176,11 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     depositAddress =
         useSameWalletAddress(depositCurrency) ? wallet.walletAddresses.addressForExchange : '';
 
-    reaction((_) => receiveAddress, (_) {
+    _disposers.add(reaction((_) => receiveAddress, (_) {
       if(!(tradeState is TradeIsCreatedSuccessfully)) {
         receiveAddressDisplayName = null;
       }
-    });
+    }));
 
     provider = providerList.firstOrNull;
     final initialProvider = provider;
@@ -184,9 +194,9 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
 
     // providerDisplay is read by ui to display auto-selected provider.
     // it's on a delay so it doesn't flicker.
-    reaction((_)=>bestRateProvider,(val) {
+    _disposers.add(reaction((_) => bestRateProvider, (val) {
       providerDisplay = val;
-    },delay: 300);
+    }, delay: 300));
 
     receiveCurrencies = CryptoCurrency.all
         .where((cryptoCurrency) => !excludeReceiveCurrencies.contains(cryptoCurrency))
@@ -202,19 +212,19 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
     _injectUserTronTokensIntoCurrencyLists();
     _defineIsReceiveAmountEditable();
     loadLimits();
-    reaction((_) => isFixedRateMode, (Object _) {
+    _disposers.add(reaction((_) => isFixedRateMode, (Object _) {
       bestRateProvider = null;
       bestRate = 0.0;
       loadLimits();
-    });
+    }));
 
-    reaction((_) => forceDecentralizedExchanges, (val) {
+    _disposers.add(reaction((_) => forceDecentralizedExchanges, (val) {
       if (val && (bestRateProvider?.description.isCentralized ?? false)) {
         bestRateProvider = null;
         bestRate = 0.0;
         loadLimits();
       }
-    });
+    }));
 
     if (isElectrumWallet) {
       bitcoin!.updateFeeRates(wallet);
@@ -1071,6 +1081,11 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
 
         printV('createTrade: trying provider=${provider.title}');
 
+        // should not happen but just as an extra check
+        if (isFixedRateMode && provider.supportsFixedRate == false) {
+          continue;
+        }
+
         // Skip Swaps.xyz when sending from external
         if (isSendFromExternal &&
             provider.description == ExchangeProviderDescription.swapsXyz) {