Update balance and tx history when new tx is registered. Clean up listener structure between parent and subpage (#733)

* update balance and transaction list when new tx/block is registered

* update outdated version on workflow

* Fix search and settings (#736)

* fix search editor error cannot be entered on PC

* (settings) Fix warning text display delay when selecting exchange

* display a warning when the exchange settings have been changed automatically because the rate is not getted

* update outdated version on workflow

Author: vufon

libwallet/assets_manager.go

@@ -1060,14 +1060,15 @@ func (mgr *AssetsManager) DeleteDEXData() error {
 	return os.Remove(dexDBFile)
 }
 
-func (mgr *AssetsManager) WatchBalanceChange(listen func()) {
+// Listen when new tx is registered
+func (mgr *AssetsManager) ListenForTxAndBlockNotification(listen func(int)) {
 	// Reload total balance on new tx.
 	txAndBlockNotificationListener := &sharedW.TxAndBlockNotificationListener{
-		OnTransactionConfirmed: func(_ int, _ string, _ int32) {
-			listen()
+		OnTransactionConfirmed: func(walletID int, _ string, _ int32) {
+			listen(walletID)
 		},
-		OnTransaction: func(_ int, _ *sharedW.Transaction) {
-			listen()
+		OnTransaction: func(walletID int, _ *sharedW.Transaction) {
+			listen(walletID)
 		},
 	}
 
@@ -1079,8 +1080,10 @@ func (mgr *AssetsManager) WatchBalanceChange(listen func()) {
 			}
 		}
 	}
+}
 
-	// add rate listener
+// Listen when rate changes
+func (mgr *AssetsManager) ListenForRate(listen func()) {
 	rateListener := &ext.RateListener{
 		OnRateUpdated: func() {
 			listen()

ui/page/components/items_scroll.go

@@ -83,20 +83,27 @@ func (s *Scroll[T]) SetIsHaveKeySearch(isHaveKeySearch bool) {
 // FetchScrollData is a mutex protected fetchScrollData function. At the end of
 // the function call a window reload is triggered. Returns that latest records.
 func (s *Scroll[T]) FetchScrollData(isScrollUp bool, window app.WindowNavigator, isResetList bool) {
+	s.FetchScrollDataHandler(isScrollUp, window, isResetList, false)
+}
+
+// isResetList = false and loadNewItem = true: Reloads the item list but does not alter the current scroll position
+func (s *Scroll[T]) FetchScrollDataHandler(isScrollUp bool, window app.WindowNavigator, isResetList, loadNewItem bool) {
 	s.mu.Lock()
 	// s.data is not nil when moving from details page to list page.
 	if s.data != nil {
 		s.isLoadingItems = false
 	}
 
-	if isResetList {
+	if isResetList || loadNewItem {
 		s.loadedAllItems = false
 		s.isLoadingItems = false
 		s.offset = 0
 		s.itemsCount = -1
 		s.data = nil
 		s.cacheData = nil
-		s.list.Position.Offset = 0
+		if isResetList {
+			s.list.Position.Offset = 0
+		}
 	}
 	s.mu.Unlock()
 	if s.data == nil || len(s.data.items) == 0 {

ui/page/info/info_page.go

@@ -319,6 +319,14 @@ func (pg *WalletInfo) reloadMixerBalances() {
 	}
 }
 
+// Reload tx list when there is new tx. Called from parent page
+func (pg *WalletInfo) ListenForNewTx(walletID int) {
+	if walletID != pg.wallet.GetWalletID() {
+		return
+	}
+	pg.loadTransactions()
+}
+
 func (pg *WalletInfo) loadTransactions() {
 	pg.showMaterialLoader = true
 	mapInfo, _ := components.TxPageDropDownFields(pg.wallet.GetAssetType(), 0)

ui/page/root/home_page.go

@@ -212,12 +212,33 @@ func (hp *HomePage) OnNavigatedTo() {
 	if hp.isUpdateAPIAllowed() {
 		go hp.checkForUpdates()
 	}
-
-	hp.AssetsManager.WatchBalanceChange(func() {
+	// When the new tx has been registered
+	hp.AssetsManager.ListenForTxAndBlockNotification(func(walletID int) {
+		go hp.CalculateAssetsUSDBalance()
+		go hp.UpdateSubpageWhenHasNewTx(walletID)
+	})
+	// When rate change
+	hp.AssetsManager.ListenForRate(func() {
 		go hp.CalculateAssetsUSDBalance()
 	})
 }
 
+// Call the update function for subpages when there is a new tx
+func (hp *HomePage) UpdateSubpageWhenHasNewTx(walletID int) {
+	switch hp.CurrentPageID() {
+	// if overview page
+	case OverviewPageID:
+		hp.CurrentPage().(*OverviewPage).ListenForNewTx()
+		return
+	// if transactions history page
+	case transaction.TransactionsPageID:
+		hp.CurrentPage().(*transaction.TransactionsPage).ListenForTxNotification(walletID)
+		return
+	default:
+		return
+	}
+}
+
 // initDEX initializes a new dex client if dex is not ready. If a dex client has
 // never been created before, initDEX will return early and do nothing.
 func (hp *HomePage) initDEX() {

ui/page/root/overview_page.go

@@ -1122,6 +1122,13 @@ func (pg *OverviewPage) txAndWallet(mtx *multiWalletTx) (*sharedW.Transaction, s
 	return mtx.Transaction, pg.AssetsManager.WalletWithID(mtx.walletID)
 }
 
+// Update balance/USD balance and transaction list when there is a new tx
+func (pg *OverviewPage) ListenForNewTx() {
+	pg.loadTransactions()
+	pg.updateAssetsSliders()
+	pg.updateAssetsUSDBalance()
+}
+
 func (pg *OverviewPage) updateAssetsUSDBalance() {
 	if pg.AssetsManager.ExchangeRateFetchingEnabled() {
 		assetsTotalUSDBalance, err := pg.AssetsManager.CalculateAssetsUSDBalance(pg.assetsTotalBalance)

ui/page/transaction/transactions_page.go

@@ -180,7 +180,6 @@ func (pg *TransactionsPage) DisableUniformTab() {
 func (pg *TransactionsPage) OnNavigatedTo() {
 	pg.refreshAvailableTxType()
 
-	pg.listenForTxNotifications() // tx ntfn listener is stopped in OnNavigatedFrom().
 	go pg.scroll.FetchScrollData(false, pg.ParentWindow(), false)
 }
 
@@ -750,28 +749,12 @@ func exportTxs(assets []sharedW.Asset, fileName string) error {
 	return nil
 }
 
-func (pg *TransactionsPage) listenForTxNotifications() {
-	txAndBlockNotificationListener := &sharedW.TxAndBlockNotificationListener{
-		OnTransaction: func(walletID int, _ *sharedW.Transaction) {
-			// Listen for all new txs but ignore ntfns if the wallet sending the
-			// ntfn is not the currently selected wallet.
-			if pg.selectedWallet != nil && pg.selectedWallet.GetWalletID() != walletID {
-				return // ignore tx
-			}
-
-			pg.scroll.FetchScrollData(false, pg.ParentWindow(), false)
-		},
-	}
-
-	// Listen for ntfns for all wallets.
-	for _, w := range pg.assetWallets {
-		w.RemoveTxAndBlockNotificationListener(TransactionsPageID)
-		err := w.AddTxAndBlockNotificationListener(txAndBlockNotificationListener, TransactionsPageID)
-		if err != nil {
-			log.Errorf("Error adding tx and block notification listener: %v", err)
-			return
-		}
+// Update transaction list when there is new tx or new confirmed status
+func (pg *TransactionsPage) ListenForTxNotification(walletID int) {
+	if pg.selectedWallet != nil && pg.selectedWallet.GetWalletID() != walletID {
+		return
 	}
+	pg.scroll.FetchScrollDataHandler(false, pg.ParentWindow(), false, true)
 }
 
 func (pg *TransactionsPage) stopTxNotificationsListener() {

ui/page/wallet/single_wallet_main_page.go

@@ -187,7 +187,9 @@ func (swmp *SingleWalletMasterPage) OnNavigatedTo() {
 	// set active tab value
 	swmp.activeTab[swmp.PageNavigationTab.SelectedSegment()] = swmp.CurrentPageID()
 
-	swmp.listenForNotifications() // ntfn listeners are stopped in OnNavigatedFrom().
+	swmp.listenForNotifications(func(walletID int) {
+		go swmp.ListenNewTxForSubPage(walletID)
+	}) // ntfn listeners are stopped in OnNavigatedFrom().
 
 	if swmp.selectedWallet.GetAssetType() == libutils.DCRWalletAsset {
 		if swmp.selectedWallet.ReadBoolConfigValueForKey(sharedW.FetchProposalConfigKey, false) && swmp.isGovernanceAPIAllowed() {
@@ -201,6 +203,19 @@ func (swmp *SingleWalletMasterPage) OnNavigatedTo() {
 	}
 }
 
+// Call the subpage component update functions when there is a new tx
+func (swmp *SingleWalletMasterPage) ListenNewTxForSubPage(walletID int) {
+	switch swmp.CurrentPageID() {
+	case transaction.TransactionsPageID:
+		swmp.CurrentPage().(*transaction.TransactionsPage).ListenForTxNotification(walletID)
+		return
+	case info.InfoID:
+		swmp.CurrentPage().(*info.WalletInfo).ListenForNewTx(walletID)
+	default:
+		return
+	}
+}
+
 // initTabOptions initializes the page navigation tabs
 func (swmp *SingleWalletMasterPage) initTabOptions() {
 	commonTabs := []string{
@@ -764,7 +779,7 @@ func initializeBeepNotification(n string) {
 
 // listenForNotifications starts a goroutine to watch for notifications
 // and update the UI accordingly.
-func (swmp *SingleWalletMasterPage) listenForNotifications() {
+func (swmp *SingleWalletMasterPage) listenForNotifications(listenForSubpage func(int)) {
 	syncProgressListener := &sharedW.SyncProgressListener{
 		OnSyncCompleted: func() {
 			swmp.updateBalance()
@@ -778,7 +793,7 @@ func (swmp *SingleWalletMasterPage) listenForNotifications() {
 	}
 
 	txAndBlockNotificationListener := &sharedW.TxAndBlockNotificationListener{
-		OnTransaction: func(_ int, transaction *sharedW.Transaction) {
+		OnTransaction: func(walletID int, transaction *sharedW.Transaction) {
 			swmp.updateBalance()
 			if swmp.AssetsManager.IsTransactionNotificationsOn() {
 				// TODO: SPV wallets only receive mempool tx ntfn for txs that
@@ -788,6 +803,10 @@ func (swmp *SingleWalletMasterPage) listenForNotifications() {
 				swmp.postTransactionNotification(transaction)
 			}
 			swmp.ParentWindow().Reload()
+			listenForSubpage(walletID)
+		},
+		OnTransactionConfirmed: func(walletID int, _ string, _ int32) {
+			listenForSubpage(walletID)
 		},
 		// OnBlockAttached is also called whenever OnTransactionConfirmed is
 		// called, so use OnBlockAttached. Also, OnTransactionConfirmed may be