Auto-shield

lib/generated/intl/messages_en.dart

@@ -125,6 +125,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "settings" : MessageLookupByLibrary.simpleMessage("Settings"),
     "shieldTranspBalance" : MessageLookupByLibrary.simpleMessage("Shield Transp. Balance"),
     "shieldTransparentBalance" : MessageLookupByLibrary.simpleMessage("Shield Transparent Balance"),
+    "shieldTransparentBalanceWithSending" : MessageLookupByLibrary.simpleMessage("Shield Transparent Balance When Sending"),
     "shieldingInProgress" : MessageLookupByLibrary.simpleMessage("Shielding in progress..."),
     "spendable" : MessageLookupByLibrary.simpleMessage("Spendable:"),
     "synching" : MessageLookupByLibrary.simpleMessage("Synching"),

lib/generated/l10n.dart

@@ -1154,6 +1154,16 @@ class S {
       args: [],
     );
   }
+
+  /// `Shield Transparent Balance When Sending`
+  String get shieldTransparentBalanceWithSending {
+    return Intl.message(
+      'Shield Transparent Balance When Sending',
+      name: 'shieldTransparentBalanceWithSending',
+      desc: '',
+      args: [],
+    );
+  }
 }
 
 class AppLocalizationDelegate extends LocalizationsDelegate<S> {

lib/l10n/intl_en.arb

@@ -110,5 +110,6 @@
   "M1": "1 M",
   "M3": "3 M",
   "M6": "6 M",
-  "Y1": "1 Y"
+  "Y1": "1 Y",
+  "shieldTransparentBalanceWithSending": "Shield Transparent Balance When Sending"
 }

lib/settings.dart

@@ -16,6 +16,14 @@ final _settingsFormKey = GlobalKey<FormBuilderState>();
 class SettingsState extends State<SettingsPage> {
   var _anchorController =
       MaskedTextController(mask: "00", text: "${settings.anchorOffset}");
+  var _thresholdController = MoneyMaskedTextController(
+      decimalSeparator: '.', thousandSeparator: ',', precision: 3);
+
+  @override
+  void initState() {
+    super.initState();
+    _thresholdController.updateValue(settings.autoShieldThreshold);
+  }
 
   @override
   Widget build(BuildContext context) {
@@ -125,21 +133,38 @@ class SettingsState extends State<SettingsPage> {
                                 FormBuilderFieldOption(
                                     child: Text(S.of(context).Y1), value: '1Y'),
                               ]),
-                              FormBuilderCheckbox(
-                                  name: 'get_tx',
-                                  title: Text(
-                                      S.of(context).retrieveTransactionDetails),
-                                  initialValue: settings.getTx,
-                                  onSaved: _onGetTx),
-                              FormBuilderCheckbox(
-                                  name: 'auto_shield',
-                                  title: Text(S.of(context).shieldTransparentBalance),
-                                  initialValue: settings.shieldBalance,
-                                  onSaved: _shieldBalance),
-                              ButtonBar(children: confirmButtons(context, _onSave))
+                          FormBuilderCheckbox(
+                              name: 'get_tx',
+                              title: Text(
+                                  S.of(context).retrieveTransactionDetails),
+                              initialValue: settings.getTx,
+                              onSaved: _onGetTx),
+                          TextFormField(
+                              decoration: InputDecoration(
+                                  labelText: 'Auto Shield Threshold'),
+                              keyboardType: TextInputType.number,
+                              controller: _thresholdController,
+                              onSaved: _onAutoShieldThreshold,
+                              validator: _checkAmount),
+                          FormBuilderCheckbox(
+                              name: 'shield_send',
+                              title: Text(S
+                                  .of(context)
+                                  .shieldTransparentBalanceWithSending),
+                              initialValue: settings.shieldBalance,
+                              onSaved: _shieldBalance),
+                          ButtonBar(children: confirmButtons(context, _onSave))
                         ]))))));
   }
 
+  String _checkAmount(String vs) {
+    final vss = vs.replaceAll(',', '');
+    final v = double.tryParse(vss);
+    if (v == null) return S.of(context).amountMustBeANumber;
+    if (v <= 0.0) return S.of(context).amountMustBePositive;
+    return null;
+  }
+
   _onChoice(v) {
     settings.setURLChoice(v);
   }
@@ -164,6 +189,11 @@ class SettingsState extends State<SettingsPage> {
     settings.setShieldBalance(v);
   }
 
+  _onAutoShieldThreshold(_) {
+    final v = _thresholdController.numberValue;
+    settings.setAutoShieldThreshold(v);
+  }
+
   _onSave() {
     final form = _settingsFormKey.currentState;
     if (form.validate()) {
@@ -179,11 +209,4 @@ class SettingsState extends State<SettingsPage> {
   _onGetTx(v) {
     settings.updateGetTx(v);
   }
-
-  String _checkFx(String vs) {
-    final v = double.tryParse(vs);
-    if (v == null) return 'FX rate must be a number';
-    if (v <= 0.0) return 'FX rate must be positive';
-    return null;
-  }
 }

lib/store.dart

@@ -62,6 +62,9 @@ abstract class _Settings with Store {
   @observable
   bool shieldBalance = false;
 
+  @observable
+  double autoShieldThreshold = 0.0;
+
   var palette = charts.MaterialPalette.blue;
 
   @action
@@ -80,6 +83,7 @@ abstract class _Settings with Store {
     currency = prefs.getString('currency') ?? "USD";
     chartRange = prefs.getString('chart_range') ?? "1Y";
     shieldBalance = prefs.getBool('shield_balance') ?? false;
+    autoShieldThreshold = prefs.getDouble('autoshield_threshold') ?? 0.0;
     _updateThemeData();
     Future.microtask(_loadCurrencies); // lazily
     return true;
@@ -227,6 +231,13 @@ abstract class _Settings with Store {
     shieldBalance = v;
     prefs.setBool('shield_balance', shieldBalance);
   }
+
+  @action
+  Future<void> setAutoShieldThreshold(double v) async {
+    final prefs = await SharedPreferences.getInstance();
+    autoShieldThreshold = v;
+    prefs.setDouble('autoshield_threshold', autoShieldThreshold);
+  }
 }
 
 class AccountManager = _AccountManager with _$AccountManager;
@@ -427,6 +438,7 @@ abstract class _AccountManager with Store {
 
   Future<void> _fetchData(int accountId, bool force) async {
     await _updateBalance(accountId);
+
     final hasNewTx = await _fetchNotesAndHistory(accountId, force);
     int countNewPrices = await WarpApi.syncHistoricalPrices(settings.currency);
     if (hasNewTx) {
@@ -682,6 +694,9 @@ abstract class _AccountManager with Store {
     if (active == null) return;
     int balance = WarpApi.getTBalance(active.id);
     if (balance != tbalance) tbalance = balance;
+    if (tbalance / ZECUNIT >= settings.autoShieldThreshold) {
+      WarpApi.shieldTAddr(active.id);
+    }
   }
 
   Future<void> _fetchContacts(int accountId) async {

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.9+90
+version: 1.0.9+91
 
 environment:
   sdk: ">=2.9.0 <3.0.0"

pubspec.yaml.tpl

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.9+90
+version: 1.0.9+91
 
 environment:
   sdk: ">=2.9.0 <3.0.0"