verification before payment and email fixes

frontend/pweb/lib/pages/payment_methods/payment_page/page.dart

@@ -13,7 +13,9 @@ import 'package:pweb/pages/payment_methods/widgets/payment_info_section.dart';
 import 'package:pweb/pages/payment_methods/widgets/recipient_section.dart';
 import 'package:pweb/pages/payment_methods/widgets/section_title.dart';
 import 'package:pweb/utils/dimensions.dart';
+import 'package:pweb/widgets/cooldown_hint.dart';
 import 'package:pweb/widgets/sidebar/destinations.dart';
+import 'package:pweb/models/control_state.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
@@ -27,6 +29,8 @@ class PaymentPageContent extends StatelessWidget {
   final List<Recipient> filteredRecipients;
   final ValueChanged<Wallet> onWalletSelected;
   final PayoutDestination fallbackDestination;
+  final ControlState sendState;
+  final int cooldownRemainingSeconds;
   final TextEditingController searchController;
   final FocusNode searchFocusNode;
   final ValueChanged<String> onSearchChanged;
@@ -44,6 +48,8 @@ class PaymentPageContent extends StatelessWidget {
     required this.filteredRecipients,
     required this.onWalletSelected,
     required this.fallbackDestination,
+    required this.sendState,
+    required this.cooldownRemainingSeconds,
     required this.searchController,
     required this.searchFocusNode,
     required this.onSearchChanged,
@@ -104,7 +110,20 @@ class PaymentPageContent extends StatelessWidget {
                   SizedBox(height: dimensions.paddingLarge),
                   const PaymentFormWidget(),
                   SizedBox(height: dimensions.paddingXXXLarge),
-                  SendButton(onPressed: onSend),
+                  Column(
+                    mainAxisAlignment: MainAxisAlignment.center,
+                    children: [
+                      SendButton(
+                        onPressed: onSend,
+                        state: sendState,
+                      ),
+                      if (sendState == ControlState.disabled &&
+                          cooldownRemainingSeconds > 0) ...[
+                        SizedBox(height: dimensions.paddingSmall),
+                        CooldownHint(seconds: cooldownRemainingSeconds),
+                      ],
+                    ],
+                  ),
                   SizedBox(height: dimensions.paddingLarge),
                 ],
               ),