fix: clean up and fix some churning stuff

lib/pages/churning/churning_progress_view.dart

@@ -186,8 +186,11 @@ class _ChurningProgressViewState extends ConsumerState<ChurningProgressView> {
                               height: 20,
                             ),
                             ProgressItem(
-                              iconAsset: Assets.svg.peers,
+                              iconAsset: Assets.svg.alertCircle,
-                              label: "Waiting for balance to unlock",
+                              label: "Waiting for balance to unlock ${ref.watch(
+                                    pChurningService(widget.walletId)
+                                        .select((s) => s.confirmsInfo),
+                                  ) ?? ""}",
                               status: ref.watch(
                                 pChurningService(widget.walletId)
                                     .select((s) => s.waitingForUnlockedBalance),
@@ -197,7 +200,7 @@ class _ChurningProgressViewState extends ConsumerState<ChurningProgressView> {
                               height: 12,
                             ),
                             ProgressItem(
-                              iconAsset: Assets.svg.fusing,
+                              iconAsset: Assets.svg.churn,
                               label: "Creating churn transaction",
                               status: ref.watch(
                                 pChurningService(widget.walletId)

lib/pages/churning/churning_view.dart

@@ -17,6 +17,7 @@ import '../../widgets/custom_buttons/checkbox_text_button.dart';
 import '../../widgets/desktop/primary_button.dart';
 import '../../widgets/rounded_container.dart';
 import '../../widgets/rounded_white_container.dart';
+import '../../widgets/stack_dialog.dart';
 import '../../widgets/stack_text_field.dart';
 import 'churning_progress_view.dart';
 import 'churning_rounds_selection_sheet.dart';
@@ -111,7 +112,23 @@ class _ChurnViewState extends ConsumerState<ChurningView> {
                         .topNavIconPrimary,
                   ),
                   onPressed: () async {
-                    //' TODO show about?
+                    await showDialog<void>(
+                      context: context,
+                      builder: (context) => const StackOkDialog(
+                        title: "What is churning?",
+                        message: "Churning in a Monero wallet involves"
+                            " sending Monero to oneself in multiple"
+                            " transactions, which can enhance privacy"
+                            " by making it harder for observers to "
+                            "link your transactions. This process"
+                            " re-mixes the funds within the network,"
+                            " helping obscure transaction history. "
+                            "Churning is optional and mainly beneficial"
+                            " in scenarios where maximum privacy is"
+                            " desired or if you received the Monero from"
+                            " a source from which you'd like to disassociate.",
+                      ),
+                    );
                   },
                 ),
               ),

lib/pages_desktop_specific/churning/desktop_churning_view.dart

@@ -134,6 +134,9 @@ class _DesktopChurning extends ConsumerState<DesktopChurningView> {
                       Assets.svg.churn,
                       width: 32,
                       height: 32,
+                      color: Theme.of(context)
+                          .extension<StackColors>()!
+                          .textSubtitle1,
                     ),
                     const SizedBox(
                       width: 12,
@@ -206,7 +209,17 @@ class _DesktopChurning extends ConsumerState<DesktopChurningView> {
                                               height: 16,
                                             ),
                                             Text(
-                                              "Churning info text",
+                                              "Churning in a Monero wallet involves"
+                                              " sending Monero to oneself in multiple"
+                                              " transactions, which can enhance privacy"
+                                              " by making it harder for observers to "
+                                              "link your transactions. This process"
+                                              " re-mixes the funds within the network,"
+                                              " helping obscure transaction history. "
+                                              "Churning is optional and mainly beneficial"
+                                              " in scenarios where maximum privacy is"
+                                              " desired or if you received the Monero from"
+                                              " a source from which you'd like to disassociate.",
                                               style:
                                                   STextStyles.desktopTextMedium(
                                                 context,

lib/pages_desktop_specific/churning/sub_widgets/churning_dialog.dart

@@ -236,8 +236,11 @@ class _ChurnDialogViewState extends ConsumerState<ChurnDialogView> {
                     height: 20,
                   ),
                   ProgressItem(
-                    iconAsset: Assets.svg.peers,
+                    iconAsset: Assets.svg.alertCircle,
-                    label: "Waiting for balance to unlock",
+                    label: "Waiting for balance to unlock ${ref.watch(
+                          pChurningService(widget.walletId)
+                              .select((s) => s.confirmsInfo),
+                        ) ?? ""}",
                     status: ref.watch(
                       pChurningService(widget.walletId)
                           .select((s) => s.waitingForUnlockedBalance),
@@ -247,7 +250,7 @@ class _ChurnDialogViewState extends ConsumerState<ChurnDialogView> {
                     height: 12,
                   ),
                   ProgressItem(
-                    iconAsset: Assets.svg.fusing,
+                    iconAsset: Assets.svg.churn,
                     label: "Creating churn transaction",
                     status: ref.watch(
                       pChurningService(widget.walletId)

lib/services/churning_service.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import 'dart:math';
 
 import 'package:cs_monero/cs_monero.dart';
 import 'package:flutter/cupertino.dart';
@@ -42,6 +43,56 @@ class ChurningService extends ChangeNotifier {
     }
   }
 
+  String? confirmsInfo;
+  Future<void> _updateConfirmsInfo() async {
+    final currentHeight = wallet.currentKnownChainHeight;
+    if (currentHeight < 1) {
+      return;
+    }
+
+    final outputs = await csWallet.getOutputs(refresh: true);
+    final required = wallet.cryptoCurrency.minConfirms;
+
+    int lowestNumberOfConfirms = required;
+
+    for (final output in outputs.where((e) => !e.isFrozen && !e.spent)) {
+      final confirms = currentHeight - output.height;
+
+      lowestNumberOfConfirms = min(lowestNumberOfConfirms, confirms);
+    }
+
+    final bool shouldNotify;
+    if (lowestNumberOfConfirms == required) {
+      shouldNotify = confirmsInfo != null;
+      confirmsInfo = null;
+    } else {
+      final prev = confirmsInfo;
+      confirmsInfo = "($lowestNumberOfConfirms/$required)";
+      shouldNotify = confirmsInfo != prev;
+    }
+
+    if (_running && _timerRunning && shouldNotify) {
+      notifyListeners();
+    }
+  }
+
+  Timer? _confirmsTimer;
+  bool _timerRunning = false;
+  void _stopConfirmsTimer() {
+    _timerRunning = false;
+    _confirmsTimer?.cancel();
+    confirmsInfo = null;
+    _confirmsTimer = null;
+  }
+
+  void _startConfirmsTimer() {
+    _confirmsTimer?.cancel();
+    _confirmsTimer = Timer.periodic(
+      const Duration(seconds: 5),
+      (_) => _updateConfirmsInfo(),
+    );
+  }
+
   final _pause = Mutex();
   bool get isPaused => _pause.isLocked;
   void unpause() {
@@ -75,6 +126,7 @@ class ChurningService extends ChangeNotifier {
         notifyListeners();
 
         try {
+          _stopConfirmsTimer();
           Logging.log?.i("Doing churn #${roundsCompleted + 1}");
           await _churnTxSimple();
           waitingForUnlockedBalance = ChurnStatus.success;
@@ -106,6 +158,7 @@ class ChurningService extends ChangeNotifier {
       }
 
       if (!complete() && _running) {
+        _startConfirmsTimer();
         waitingForUnlockedBalance = ChurnStatus.running;
         makingChurnTransaction = ChurnStatus.waiting;
         completedStatus = ChurnStatus.waiting;