moonpay fixes, swap moonpay and normal exchange

lib/src/screens/buy/webview_page.dart

@@ -1,8 +1,12 @@
-import 'package:cake_wallet/buy/onramper/onramper_buy_provider.dart';
+import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
+import 'package:cake_wallet/store/app_store.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
+import 'package:fluttertoast/fluttertoast.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 class WebViewPage extends BasePage {
@@ -36,9 +40,40 @@ class WebViewPageBodyState extends State<WebViewPageBody> {
   Widget build(BuildContext context) {
     return InAppWebView(
       initialOptions: InAppWebViewGroupOptions(
-        crossPlatform: InAppWebViewOptions(transparentBackground: true),
+        crossPlatform: InAppWebViewOptions(
+          transparentBackground: true,
+          javaScriptEnabled: true,
+          cacheEnabled: true,
+          resourceCustomSchemes: ["cakewallet"],
+          useShouldOverrideUrlLoading: true,
+        ),
       ),
       initialUrlRequest: URLRequest(url: widget.uri),
+      onLoadResource: (controller, resource) async {},
+      shouldOverrideUrlLoading: (controller, navigationAction) async {
+        return NavigationActionPolicy.ALLOW;
+      },
+      onLoadResourceCustomScheme: (controller, uri) async {
+        final url = await controller.getUrl();
+        if (url.toString().startsWith("cakewallet://wc")) {
+          if (getIt.get<AppStore>().wallet!.type != WalletType.ethereum) {
+            Fluttertoast.showToast(
+              msg: S.current.switchToETHWallet,
+              toastLength: Toast.LENGTH_LONG,
+              gravity: ToastGravity.SNACKBAR,
+              backgroundColor: Colors.black,
+              textColor: Colors.white,
+              fontSize: 16.0,
+            );
+            return;
+          }
+          // required because fully loading the custom url scheme will result in an error page:
+          await controller.stopLoading();
+          // navigate to the wallet connect screen:
+          Navigator.of(context).pushNamed(Routes.walletConnectConnectionsListing, arguments: url);
+          return null;
+        }
+      },
       androidOnPermissionRequest: (_, __, resources) async {
         bool permissionGranted = await Permission.camera.status == PermissionStatus.granted;
         if (!permissionGranted) {

lib/src/screens/exchange/exchange_options_page.dart

@@ -34,16 +34,6 @@ class ExchangeOptionsPage extends BasePage {
           constraints: BoxConstraints(maxWidth: 330),
           child: Column(
             children: [
-              Padding(
-                padding: EdgeInsets.only(top: 24),
-                child: OptionTile(
-                  image: iconMoonPay,
-                  title: "MoonPay Swaps",
-                  description: S.of(context).moonpay_exchange_description,
-                  onPressed: () async =>
-                      await getIt.get<MoonPayExchangeProvider>().launchProvider(context),
-                ),
-              ),
               Padding(
                 padding: EdgeInsets.only(top: 24),
                 child: OptionTile(
@@ -54,6 +44,16 @@ class ExchangeOptionsPage extends BasePage {
                       await Navigator.of(context).pushReplacementNamed(Routes.exchange),
                 ),
               ),
+              Padding(
+                padding: EdgeInsets.only(top: 24),
+                child: OptionTile(
+                  image: iconMoonPay,
+                  title: "MoonPay Swaps",
+                  description: S.of(context).moonpay_exchange_description,
+                  onPressed: () async =>
+                      await getIt.get<MoonPayExchangeProvider>().launchProvider(context),
+                ),
+              ),
               Spacer(),
               Padding(
                 padding: EdgeInsets.fromLTRB(24, 24, 24, 32),