Add Payjoin Setting

lib/entities/preferences_key.dart

@@ -77,6 +77,7 @@ class PreferencesKey {
   static const lookupsOpenAlias = 'looks_up_open_alias';
   static const lookupsENS = 'looks_up_ens';
   static const lookupsWellKnown = 'looks_up_well_known';
+  static const usePayjoin = 'use_payjoin';
   static const showCameraConsent = 'show_camera_consent';
 
   static String moneroWalletUpdateV1Key(String name) =>

lib/src/screens/settings/privacy_page.dart

@@ -49,6 +49,14 @@ class PrivacyPage extends BasePage {
                       _privacySettingsViewModel.setExchangeApiMode(mode),
                 ),
               ),
+              if (_privacySettingsViewModel.canUsePayjoin)
+                SettingsSwitcherCell(
+                  title: 'Use Payjoin', // ToDo: localize
+                  value: _privacySettingsViewModel.usePayjoin,
+                  onValueChange: (BuildContext _, bool value) {
+                    _privacySettingsViewModel.setUsePayjoin(value);
+                  },
+                ),
               SettingsSwitcherCell(
                   title: S.current.settings_save_recipient_address,
                   value: _privacySettingsViewModel.shouldSaveRecipientAddress,

lib/store/settings_store.dart

@@ -16,7 +16,6 @@ import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/entities/language_service.dart';
 import 'package:cake_wallet/entities/pin_code_required_duration.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
-import 'package:cake_wallet/entities/provider_types.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:cake_wallet/entities/seed_phrase_length.dart';
 import 'package:cake_wallet/entities/seed_type.dart';
@@ -116,6 +115,7 @@ abstract class SettingsStoreBase with Store {
       required this.lookupsOpenAlias,
       required this.lookupsENS,
       required this.lookupsWellKnown,
+      required this.usePayjoin,
       required this.customBitcoinFeeRate,
       required this.silentPaymentsCardDisplay,
       required this.silentPaymentsAlwaysScan,
@@ -465,6 +465,11 @@ abstract class SettingsStoreBase with Store {
         (bool looksUpWellKnown) =>
             _sharedPreferences.setBool(PreferencesKey.lookupsWellKnown, looksUpWellKnown));
 
+    reaction(
+        (_) => usePayjoin,
+        (bool usePayjoin) =>
+            _sharedPreferences.setBool(PreferencesKey.usePayjoin, usePayjoin));
+
     // secure storage keys:
     reaction(
         (_) => allowBiometricalAuthentication,
@@ -780,6 +785,10 @@ abstract class SettingsStoreBase with Store {
 
   @observable
   bool lookupsWellKnown;
+
+  @observable
+  bool usePayjoin;
+
   @observable
   SyncMode currentSyncMode;
 
@@ -976,6 +985,7 @@ abstract class SettingsStoreBase with Store {
     final lookupsOpenAlias = sharedPreferences.getBool(PreferencesKey.lookupsOpenAlias) ?? true;
     final lookupsENS = sharedPreferences.getBool(PreferencesKey.lookupsENS) ?? true;
     final lookupsWellKnown = sharedPreferences.getBool(PreferencesKey.lookupsWellKnown) ?? true;
+    final usePayjoin = sharedPreferences.getBool(PreferencesKey.usePayjoin) ?? true;
     final customBitcoinFeeRate = sharedPreferences.getInt(PreferencesKey.customBitcoinFeeRate) ?? 1;
     final silentPaymentsCardDisplay =
         sharedPreferences.getBool(PreferencesKey.silentPaymentsCardDisplay) ?? true;
@@ -1255,6 +1265,7 @@ abstract class SettingsStoreBase with Store {
       lookupsOpenAlias: lookupsOpenAlias,
       lookupsENS: lookupsENS,
       lookupsWellKnown: lookupsWellKnown,
+      usePayjoin: usePayjoin,
       customBitcoinFeeRate: customBitcoinFeeRate,
       silentPaymentsCardDisplay: silentPaymentsCardDisplay,
       silentPaymentsAlwaysScan: silentPaymentsAlwaysScan,

lib/view_model/settings/privacy_settings_view_model.dart

@@ -33,19 +33,18 @@ abstract class PrivacySettingsViewModelBase with Store {
   @action
   void setAutoGenerateSubaddresses(bool value) {
     _wallet.isEnabledAutoGenerateSubaddress = value;
-    if (value) {
-      _settingsStore.autoGenerateSubaddressStatus = AutoGenerateSubaddressStatus.enabled;
-    } else {
-      _settingsStore.autoGenerateSubaddressStatus = AutoGenerateSubaddressStatus.disabled;
-    }
+    _settingsStore.autoGenerateSubaddressStatus = value
+        ? AutoGenerateSubaddressStatus.enabled
+        : AutoGenerateSubaddressStatus.disabled;
   }
 
-  bool get isAutoGenerateSubaddressesVisible =>
-      _wallet.type == WalletType.monero ||
-      _wallet.type == WalletType.wownero ||
-      _wallet.type == WalletType.bitcoin ||
-      _wallet.type == WalletType.litecoin ||
-      _wallet.type == WalletType.bitcoinCash;
+  bool get isAutoGenerateSubaddressesVisible => [
+        WalletType.monero,
+        WalletType.wownero,
+        WalletType.bitcoin,
+        WalletType.litecoin,
+        WalletType.bitcoinCash
+      ].contains(_wallet.type);
 
   bool get isMoneroWallet => _wallet.type == WalletType.monero;
 
@@ -97,6 +96,9 @@ abstract class PrivacySettingsViewModelBase with Store {
   @computed
   bool get looksUpWellKnown => _settingsStore.lookupsWellKnown;
 
+  @computed
+  bool get usePayjoin => _settingsStore.usePayjoin;
+
   bool get canUseEtherscan => _wallet.type == WalletType.ethereum;
 
   bool get canUsePolygonScan => _wallet.type == WalletType.polygon;
@@ -105,6 +107,8 @@ abstract class PrivacySettingsViewModelBase with Store {
 
   bool get canUseMempoolFeeAPI => _wallet.type == WalletType.bitcoin;
 
+  bool get canUsePayjoin => _wallet.type == WalletType.bitcoin;
+
   @action
   void setShouldSaveRecipientAddress(bool value) =>
       _settingsStore.shouldSaveRecipientAddress = value;
@@ -164,7 +168,9 @@ abstract class PrivacySettingsViewModelBase with Store {
   }
 
   @action
-  void setUseMempoolFeeAPI(bool value) {
-    _settingsStore.useMempoolFeeAPI = value;
-  }
+  void setUseMempoolFeeAPI(bool value) =>
+      _settingsStore.useMempoolFeeAPI = value;
+
+  @action
+  void setUsePayjoin(bool value) => _settingsStore.usePayjoin = value;
 }

tool/configure.dart

@@ -118,6 +118,8 @@ import 'package:cw_bitcoin/bitcoin_wallet_service.dart';
 import 'package:cw_bitcoin/bitcoin_wallet_creation_credentials.dart';
 import 'package:cw_bitcoin/bitcoin_amount_format.dart';
 import 'package:cw_bitcoin/bitcoin_address_record.dart';
+import 'package:cw_bitcoin/bitcoin_wallet.dart';
+import 'package:cw_bitcoin/bitcoin_wallet_addresses.dart';
 import 'package:cw_bitcoin/bitcoin_transaction_credentials.dart';
 import 'package:cw_bitcoin/litecoin_wallet_service.dart';
 import 'package:cw_bitcoin/litecoin_wallet.dart';
@@ -239,9 +241,6 @@ abstract class Bitcoin {
   String? getUnusedSegwitAddress(Object wallet);
 
   String buildV2PjStr({required Object receiverWallet});
-  Future<String> extractOriginalTransaction(UncheckedProposal proposal);
-  Future<PayjoinProposal> processProposal({required UncheckedProposal proposal, required Object receiverWallet});
-  Future<String> sendFinalProposal(PayjoinProposal finalProposal);
   Future<Sender> buildPayjoinRequest(String originalPsbt, dynamic pjUri, int fee);
   Future<String> buildOriginalPsbt(Object wallet, int fee, double amount, Object credentials);
   Future<String> requestAndPollV2Proposal(Sender sender);