feat: zkool2 (#3165)

* feat: zkool2

* feat: rescan on zkool
fix: sending to extracted addresses
fix: labeling shielding txs
fix: autoshield endless loop
fix: autoshield t addr not firing
fix: autoshield destinations
chore: remove old routes for rescan with zkool
other minor fixes/cleanups

* fix: zcash hardfork

* fix: update sync progress more reliably

* fix: pending transaction loading
fix: autoshield txs
fix: taddress
fix: fee estimation
fix: tx send errors

* chore: bump zkool2 to latest version
fix: reduce amount of taddrs generated
fix: derivation path for internal wallets
fix: display address in correct hidden/usable spots
fix: get wallet db height before it syncs for the first time
fix: taddr rotation with passphrase
fix: sync progress ui refresh
fix: taddress generation not getting capped
fix: hidden addresses not being hidden
fix: pending transactions not being shown
fix: t address cache misses
fix: t address rotation not getting refreshed
fix: t address high index not being used

* fix: refresh t addresses

* fix: patch rust side to make t addr rotation work

* fix: ui issue in recipient address
fix: zcash multiaddress send to show in the ui
fix: potential race condition

* minor fixes

* format

* fix: flashing on receive screen

* remove unused 'autoShield'

* review

lib/core/background_sync.dart

@@ -210,7 +210,11 @@ class BackgroundSync {
         }
         await sharedPreferences.setString(PreferencesKey.backgroundSyncLastTrigger(wallet.name),
             tx.date.add(Duration(minutes: 1)).toIso8601String());
-        final action = tx.direction == TransactionDirection.incoming ? "Received" : "Sent";
+        final action = tx.additionalInfo['isAutoShield'] == true
+            ? "Autoshield"
+            : tx.direction == TransactionDirection.incoming
+                ? "Received"
+                : "Sent";
         if (sharedPreferences.getBool(PreferencesKey.backgroundSyncNotificationsEnabled) ?? false) {
           await showNotification(
               "$action ${wallet.currency.fullName} in ${wallet.name}", "${tx.amount.toString()}");

lib/entities/default_settings_migration.dart

@@ -56,7 +56,7 @@ const dogecoinDefaultNodeUri = 'dogecoin.stackwallet.com:50022';
 const baseDefaultNodeUri = 'base-rpc.publicnode.com';
 const arbitrumDefaultNodeUri = 'arbitrum.nownodes.io';
 const bscDefaultNodeUri = 'bsc-dataseed.bnbchain.org';
-const zcashDefaultNodeUri = 'zec-node.cakewallet.com:443';
+const zcashDefaultNodeUri = 'zec.rocks:443';
 
 Future<void> defaultSettingsMigration(
     {required int version,

lib/new-ui/widgets/coins_page/assets_history/transaction_details_modal.dart

@@ -222,16 +222,37 @@ class _TransactionDetailsModalState extends State<TransactionDetailsModal> {
 
   Widget _buildBottomWidget(TransactionDetailsListItem item) {
     return switch (item.runtimeType) {
-      AddressListItem => AddressFormatter.buildSegmentedAddress(
-          address: item.value,
-          evenTextStyle: TextStyle(
-              fontSize: 12,
-              fontFamily: "IBM Plex Mono",
-              color: Theme.of(context).colorScheme.onSurface)),
+      AddressListItem => _segmentedAddressList(item.value),
       _ => Text(
           item.value,
           style: TextStyle(fontSize: 12, color: Theme.of(context).colorScheme.onSurfaceVariant),
         )
     };
   }
+
+  Widget _segmentedAddressList(String value) {
+    final style = TextStyle(
+      fontSize: 12,
+      fontFamily: "IBM Plex Mono",
+      color: Theme.of(context).colorScheme.onSurface,
+    );
+    final lines = value
+        .split(RegExp(r'[,\n]'))
+        .map((final line) => line.trim())
+        .where((final line) => line.isNotEmpty)
+        .toList();
+    if (lines.length <= 1) {
+      return AddressFormatter.buildSegmentedAddress(
+        address: lines.isNotEmpty ? lines.first : value.trim(),
+        evenTextStyle: style,
+      );
+    }
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        for (final line in lines)
+          AddressFormatter.buildSegmentedAddress(address: line, evenTextStyle: style),
+      ],
+    );
+  }
 }

lib/src/screens/dashboard/pages/balance/crypto_balance_widget.dart

@@ -334,37 +334,6 @@ class CryptoBalanceWidget extends StatelessWidget {
                     ),
                   ),
                 ],
-                if (dashboardViewModel.showZcashMissingFundsCard) ...[
-                  SizedBox(height: 10),
-                  Padding(
-                    padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
-                    child: InfoCard(
-                      title: S.of(context).zcash_card_missing_funds,
-                      description: S.of(context).zcash_card_description,
-                      leftButtonTitle: S.of(context).zcash_card_dismiss,
-                      rightButtonTitle: S.of(context).zcash_card_scan,
-                      image: 'assets/new-ui/crypto_full_icons/zcash.svg',
-                      leftButtonAction: () => _dismissZcash(context),
-                      rightButtonAction: () => _rescanInternalChangeZcash(context),
-                      hintWidget: GestureDetector(
-                        behavior: HitTestBehavior.opaque,
-                        onTap: () => launchUrl(
-                          Uri.parse(
-                              "https://docs.cakewallet.com/tutorials/zashi/#creating-a-new-zcash-wallet-on-cake"),
-                          mode: LaunchMode.externalApplication,
-                        ),
-                        child: Text(
-                          S.of(context).learn_more,
-                          style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                                color: Theme.of(context).colorScheme.onSurfaceVariant,
-                                height: 1,
-                              ),
-                          softWrap: true,
-                        ),
-                      ),
-                    ),
-                  ),
-                ],
                 if (dashboardViewModel.showDecredInfoCard) ...[
                   SizedBox(height: 10),
                   Padding(
@@ -494,21 +463,6 @@ class CryptoBalanceWidget extends StatelessWidget {
     dashboardViewModel.setMwebEnabled();
   }
 
-  Future<void> _rescanInternalChangeZcash(BuildContext context) async {
-    dashboardViewModel.rescanInternalChangeZcash();
-    await showPopUp<void>(
-      context: context,
-      builder: (BuildContext context) => AlertWithOneAction(
-        alertTitle: S.of(context).alert_notice,
-        alertContent: S.of(context).zcash_card_warning,
-        buttonText: S.of(context).understand,
-        buttonAction: () {
-          Navigator.of(context).pop();
-        },
-      ),
-    );
-  }
-
   Future<void> _dismissMweb(BuildContext context) async {
     await showPopUp<void>(
         context: context,
@@ -522,18 +476,4 @@ class CryptoBalanceWidget extends StatelessWidget {
             ));
     dashboardViewModel.dismissMweb();
   }
-
-  Future<void> _dismissZcash(BuildContext context) async {
-    await showPopUp<void>(
-        context: context,
-        builder: (BuildContext context) => AlertWithOneAction(
-              alertTitle: S.of(context).alert_notice,
-              alertContent: S.of(context).zcash_card_enable_later,
-              buttonText: S.of(context).understand,
-              buttonAction: () {
-                Navigator.of(context).pop();
-              },
-            ));
-    dashboardViewModel.dismissZcash();
-  }
 }

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

@@ -111,7 +111,7 @@ class TransactionsPage extends StatelessWidget {
                                   key: item.key,
                                   onTap: () => Navigator.of(context)
                                       .pushNamed(Routes.transactionDetails, arguments: transaction),
-                                  isShield: transaction.additionalInfo['autoShield'] == true,
+                                  isShield: transaction.additionalInfo['isAutoShield'] == true,
                                   direction: transaction.direction,
                                   formattedDate: DateFormat('HH:mm').format(transaction.date),
                                   formattedAmount: item.formattedCryptoAmount,

lib/src/screens/settings/display_settings_page.dart

@@ -115,21 +115,12 @@ class DisplaySettingsPage extends StatelessWidget {
                       onChanged: (val) {
                         _displaySettingsViewModel.setDisableTradeOption(val);
                       }),
-                  if (_displaySettingsViewModel.showZcashCardSetting)
-                    ListItemToggle(
-                        keyValue: "display_settings_show_zcashcard",
-                        label: S.of(context).show_zcash_card,
-                        value: _displaySettingsViewModel.showZcashCard,
-                        onChanged: (val) {
-                          _displaySettingsViewModel.setShowZcashCard(val);
-                        }),
                   ListItemSelector(
                       keyValue: "display_settings_sync_status_display",
                       label: S.of(context).sync_status_display_mode,
                       options: [_displaySettingsViewModel.syncStatusDisplayMode.title],
                       onTap: () async {
                         final items = SyncStatusDisplayMode.values.toList();
-
                         final selectedAtIndex =
                             items.indexOf(_displaySettingsViewModel.syncStatusDisplayMode);
 

lib/view_model/dashboard/transaction_list_item.dart

@@ -60,8 +60,13 @@ class TransactionListItem extends ActionListItem with Keyable {
       return 'Transaction has missing data';
     }
 
-    if (transaction.additionalInfo['autoShield'] == true) {
-      return "Autoshield";
+    if (transaction.additionalInfo['isAutoShield'] == true) {
+      if (transaction.isPending) {
+        final status = formattedStatus;
+        final baseString = S.current.shielding;
+        return status.isNotEmpty ? "$baseString $status" : "$baseString...";
+      }
+      return S.current.shielding;
     }
     if (transaction.isPending) {
       final status = formattedStatus;

lib/view_model/send/output.dart

@@ -21,6 +21,7 @@ import 'package:cw_core/balance.dart';
 import 'package:cw_core/crypto_amount_format.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/currency_for_wallet_type.dart';
+import 'package:cw_core/sync_status.dart';
 import 'package:cw_core/transaction_history.dart';
 import 'package:cw_core/transaction_info.dart';
 import 'package:cw_core/utils/print_verbose.dart';
@@ -50,8 +51,9 @@ abstract class OutputBase with Store {
         parsedAddress = ParsedAddress(parsedAddressByCurrencyMap: {}) {
     autorun((_) {
       final status = _wallet.syncStatus;
-      printV("Sync status changed to $status. Recalculating fees");
-
+      if (status is! SyncedSyncStatus) {
+        return;
+      }
       calculateEstimatedFee();
     });
   }

lib/view_model/transaction_details_view_model.dart

@@ -391,8 +391,8 @@ abstract class TransactionDetailsViewModelBase with Store {
   }
 
   String get formattedTitle {
-    if (transactionInfo.additionalInfo['autoShield'] == true) {
-      return "Autoshield";
+    if (transactionInfo.additionalInfo['isAutoShield'] == true) {
+      return S.current.shielding;
     }
     if (transactionInfo.direction == TransactionDirection.incoming) {
       return S.current.received;

lib/zcash/cw_zcash.dart

@@ -209,16 +209,10 @@ class CWZcash extends Zcash {
   }
 
   @override
-  bool showMissingFundsCard(WalletBase wallet) {
-    final zcashWallet = wallet as ZcashWallet;
-    return zcashWallet.couldBeZashiWallet();
-  }
+  bool showMissingFundsCard(WalletBase wallet) => false;
 
   @override
-  Future<void> rescanInternalChange(WalletBase wallet) {
-    final zcashWallet = wallet as ZcashWallet;
-    return zcashWallet.rescanInternalChange();
-  }
+  Future<void> rescanInternalChange(WalletBase wallet) async {}
 }
 
 const wordList = [