add list of used electrum addresses

cw_bitcoin/lib/electrum_wallet_addresses.dart

@@ -86,6 +86,10 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
       return acc;
     });
 
+  List<BitcoinAddressRecord> get usedAddressList =>
+  addresses.where((element) => element.isUsed).toList();
+
+
   Future<void> discoverAddresses() async {
     await _discoverAddresses(mainHd, false);
     await _discoverAddresses(sideHd, true);

lib/di.dart

@@ -35,6 +35,7 @@ import 'package:cake_wallet/src/screens/nano_accounts/nano_account_list_page.dar
 import 'package:cake_wallet/src/screens/nodes/pow_node_create_or_edit_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_invoice_page.dart';
 import 'package:cake_wallet/src/screens/receive/anonpay_receive_page.dart';
+import 'package:cake_wallet/src/screens/receive/widgets/electrum_address_list_page.dart';
 import 'package:cake_wallet/src/screens/restore/wallet_restore_choose_derivation.dart';
 import 'package:cake_wallet/src/screens/settings/display_settings_page.dart';
 import 'package:cake_wallet/src/screens/settings/domain_lookups_page.dart';
@@ -660,6 +661,9 @@ Future<void> setup({
   getIt.registerFactory(
       () => NanoAccountListPage(accountListViewModel: getIt.get<NanoAccountListViewModel>()));
 
+  getIt.registerFactory(
+          () => ElectrumAddressListPage(wallet: getIt.get<AppStore>().wallet!));
+
   /*getIt.registerFactory(() {
     final wallet = getIt.get<AppStore>().wallet;
 

lib/src/screens/dashboard/pages/address_page.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/src/screens/receive/widgets/electrum_address_list_page.dart';
 import 'package:cake_wallet/themes/extensions/keyboard_theme.dart';
 import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
@@ -15,6 +16,7 @@ import 'package:cake_wallet/utils/share_util.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/view_model/dashboard/receive_option_view_model.dart';
 import 'package:cake_wallet/view_model/dashboard/dashboard_view_model.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:cake_wallet/view_model/wallet_address_list/wallet_address_list_view_model.dart';
 import 'package:cake_wallet/src/screens/receive/widgets/qr_widget.dart';
@@ -155,12 +157,29 @@ class AddressPage extends BasePage {
                           amountController: _amountController,
                           isLight: dashboardViewModel.settingsStore.currentTheme.type ==
                               ThemeType.light))),
+              if (dashboardViewModel.isAutoGenerateSubaddressesEnabled ||
+                  addressListViewModel.showElectrumAddressDisclaimer)
+                Padding(
+                  padding: const EdgeInsets.all(8.0),
+                  child: Text(S.of(context).electrum_address_disclaimer,
+                      textAlign: TextAlign.center,
+                      style: TextStyle(
+                          fontSize: 15,
+                          color: Theme.of(context).extension<BalancePageTheme>()!.labelTextColor)),
+                ),
               Observer(builder: (_) {
-                if (addressListViewModel.hasAddressList) {
+                if (addressListViewModel.hasAddressList || addressListViewModel.hasElectrumAddressList) {
                   return GestureDetector(
-                    onTap: () async => dashboardViewModel.isAutoGenerateSubaddressesEnabled
+                    onTap: () async =>
+                    addressListViewModel.hasElectrumAddressList ?
+                      await showPopUp<void>(
+                          context: context,
+                          builder: (_) => getIt.get<ElectrumAddressListPage>())
+                      :
+                    dashboardViewModel.isAutoGenerateSubaddressesEnabled
                         ? await showPopUp<void>(
-                            context: context, builder: (_) => getIt.get<MoneroAccountListPage>())
+                        context: context,
+                        builder: (_) => getIt.get<MoneroAccountListPage>())
                         : Navigator.of(context).pushNamed(Routes.receive),
                     child: Container(
                       height: 50,
@@ -210,13 +229,6 @@ class AddressPage extends BasePage {
                       ),
                     ),
                   );
-                } else if (dashboardViewModel.isAutoGenerateSubaddressesEnabled ||
-                    addressListViewModel.showElectrumAddressDisclaimer) {
-                  return Text(S.of(context).electrum_address_disclaimer,
-                      textAlign: TextAlign.center,
-                      style: TextStyle(
-                          fontSize: 15,
-                          color: Theme.of(context).extension<BalancePageTheme>()!.labelTextColor));
                 }  else {
                   return const SizedBox();
                 }

lib/src/screens/receive/widgets/electrum_address_list_page.dart

@@ -0,0 +1,119 @@
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/src/screens/receive/widgets/electrum_address_tile.dart';
+import 'package:cake_wallet/src/widgets/alert_background.dart';
+import 'package:cake_wallet/src/widgets/picker_inner_wrapper_widget.dart';
+import 'package:cake_wallet/src/widgets/search_bar_widget.dart';
+import 'package:cake_wallet/src/widgets/section_divider.dart';
+import 'package:cake_wallet/utils/show_bar.dart';
+import 'package:cw_bitcoin/bitcoin_address_record.dart';
+import 'package:cw_bitcoin/electrum_wallet.dart';
+import 'package:cw_core/wallet_base.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+
+class ElectrumAddressListPage extends StatefulWidget {
+  const ElectrumAddressListPage({required WalletBase wallet})
+      : this._wallet = wallet;
+
+  final WalletBase _wallet;
+
+  @override
+  State<ElectrumAddressListPage> createState() =>
+      _ElectrumAddressListPageState(wallet: _wallet);
+}
+
+class _ElectrumAddressListPageState extends State<ElectrumAddressListPage> {
+  _ElectrumAddressListPageState({required WalletBase wallet})
+      : this._wallet = wallet is ElectrumWallet ? wallet : null;
+
+  final ElectrumWallet? _wallet;
+  final ScrollController controller = ScrollController();
+  late TextEditingController searchController;
+  late List<BitcoinAddressRecord> filteredAddresses;
+
+  @override
+  void initState() {
+    super.initState();
+    searchController = TextEditingController();
+    filteredAddresses = getAddresses();
+    searchController.addListener(() {
+      filterAddresses();
+    });
+  }
+
+  List<BitcoinAddressRecord> getAddresses() =>
+      _wallet?.walletAddresses.usedAddressList ?? [];
+
+  void filterAddresses() {
+    String searchText = searchController.text.toLowerCase();
+    setState(() {
+      filteredAddresses = getAddresses().where((address) {
+        return address.address.toLowerCase().contains(searchText);
+      }).toList();
+    });
+  }
+
+  @override
+  void dispose() {
+    searchController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    double itemHeight = 65;
+    double buttonHeight = 62;
+
+    return getAddresses().isEmpty
+        ? GestureDetector(
+            onTap: () => Navigator.of(context).pop(),
+            child: AlertBackground(child: PlaceholderWidget(context)))
+        : PickerInnerWrapperWidget(
+            title: 'Address List',
+            itemsHeight: (itemHeight * filteredAddresses.length) + buttonHeight,
+            children: [
+              Padding(
+                padding: const EdgeInsets.only(top: 8, left: 12, right: 12),
+                child: SearchBarWidget(
+                    searchController: searchController,
+                    borderRadius: 12,
+                    hintText: 'Search address'),
+              ),
+              Expanded(
+                  child: Scrollbar(
+                controller: controller,
+                child: ListView.separated(
+                  padding: EdgeInsets.zero,
+                  controller: controller,
+                  separatorBuilder: (context, index) =>
+                      const HorizontalSectionDivider(),
+                  itemCount: filteredAddresses.length,
+                  itemBuilder: (context, index) {
+                    final item = filteredAddresses[index];
+                    return ElectrumAddressTile(
+                      address: item.address,
+                      isChange: item.isHidden,
+                      onTap: () {
+                        Clipboard.setData(ClipboardData(text: item.address));
+                        showBar<void>(
+                            context,
+                            S.of(context).transaction_details_copied(
+                                S.of(context).address));
+                      },
+                    );
+                  },
+                ),
+              )),
+            ],
+          );
+  }
+}
+
+Widget PlaceholderWidget(BuildContext context) {
+  return Center(
+    child: Text(
+      'Your previous used addresses will appear here',
+      style: TextStyle(fontSize: 14, color: Colors.white),
+    ),
+  );
+}

lib/src/screens/receive/widgets/electrum_address_tile.dart

@@ -0,0 +1,71 @@
+import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cake_wallet/themes/extensions/account_list_theme.dart';
+import 'package:flutter/material.dart';
+
+class ElectrumAddressTile extends StatelessWidget {
+  ElectrumAddressTile({
+    required this.address,
+    required this.isChange,
+    required this.onTap,
+  });
+
+  final String address;
+  final bool isChange;
+  final Function() onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    final color =
+        Theme.of(context).extension<AccountListTheme>()!.tilesBackgroundColor;
+    final textColor =
+        Theme.of(context).extension<AccountListTheme>()!.tilesTextColor;
+
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        height: 60,
+        width: double.infinity,
+        padding: EdgeInsets.symmetric(horizontal: 24),
+        color: color,
+        child: Column(
+          children: [
+            Expanded(child: SizedBox()),
+            Expanded(
+              child: FittedBox(
+                fit: BoxFit.fitWidth,
+                child: Text(
+                  address,
+                  style: TextStyle(
+                    fontSize: 15,
+                    fontWeight: FontWeight.w600,
+                    fontFamily: 'Lato',
+                    color: Theme.of(context)
+                        .extension<AccountListTheme>()!
+                        .tilesAmountColor,
+                    decoration: TextDecoration.none,
+                  ),
+                ),
+              ),
+            ),
+            Expanded(
+              child: Container(
+                width: double.infinity,
+                child: Text(
+                  isChange ? S.of(context).unspent_change : '',
+                  textAlign: TextAlign.right,
+                  style: TextStyle(
+                    fontSize: 12,
+                    fontWeight: FontWeight.w600,
+                    fontFamily: 'Lato',
+                    color: textColor,
+                    decoration: TextDecoration.none,
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/view_model/wallet_address_list/wallet_address_list_view_model.dart

@@ -331,6 +331,11 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
           wallet.type == WalletType.litecoin ||
           wallet.type == WalletType.bitcoinCash;
 
+  bool get hasElectrumAddressList =>
+      wallet.type == WalletType.litecoin ||
+      wallet.type == WalletType.bitcoinCash ||
+          wallet.type == WalletType.bitcoin;
+
   List<ListItem> _baseItems;
 
   final YatStore yatStore;