Wallet: implement async wallet storing

main.qml

@@ -972,7 +972,11 @@ ApplicationWindow {
         informationPopup.open()
         currentWallet.refresh()
         currentWallet.disposeTransaction(transaction)
-        currentWallet.store();
+        currentWallet.storeAsync(function(success) {
+            if (!success) {
+                appWindow.showStatusMessage(qsTr("Failed to store the wallet"), 3);
+            }
+        });
     }
 
     // called on "getProof"

src/libwalletqt/Wallet.cpp

@@ -48,7 +48,6 @@
 #include <QtConcurrent/QtConcurrent>
 #include <QList>
 #include <QVector>
-#include <QMutex>
 #include <QMutexLocker>
 
 namespace {
@@ -230,9 +229,19 @@ QString Wallet::path() const
     return QDir::toNativeSeparators(QString::fromStdString(m_walletImpl->path()));
 }
 
-bool Wallet::store(const QString &path)
+void Wallet::storeAsync(const QJSValue &callback, const QString &path /* = "" */)
 {
-    return m_walletImpl->store(path.toStdString());
+    const auto future = m_scheduler.run(
+        [this, path] {
+            QMutexLocker locker(&m_storeMutex);
+
+            return QJSValueList({m_walletImpl->store(path.toStdString())});
+        },
+        callback);
+    if (!future.first)
+    {
+        QJSValue(callback).call(QJSValueList({false}));
+    }
 }
 
 bool Wallet::init(const QString &daemonAddress, bool trustedDaemon, quint64 upperTransactionLimit, bool isRecovering, bool isRecoveringFromDevice, quint64 restoreHeight)

src/libwalletqt/Wallet.h

@@ -144,7 +144,7 @@ public:
 
     //! saves wallet to the file by given path
     //! empty path stores in current location
-    Q_INVOKABLE bool store(const QString &path = "");
+    Q_INVOKABLE void storeAsync(const QJSValue &callback, const QString &path = "");
 
     //! initializes wallet asynchronously
     Q_INVOKABLE void initAsync(const QString &daemonAddress, bool trustedDaemon = false, quint64 upperTransactionLimit = 0, bool isRecovering = false, bool isRecoveringFromDevice = false, quint64 restoreHeight = 0);
@@ -434,6 +434,7 @@ private:
     QString m_daemonPassword;
     Monero::WalletListener *m_walletListener;
     FutureScheduler m_scheduler;
+    QMutex m_storeMutex;
 };
 
 

wizard/WizardController.qml

@@ -344,41 +344,48 @@ Rectangle {
         wizardController.tmpWalletFilename = tmp_wallet_filename
     }
 
-    function writeWallet() {
+    function writeWallet(onSuccess) {
         // Save wallet files in user specified location
         var new_wallet_filename = Wizard.createWalletPath(
             isIOS,
             wizardController.walletOptionsLocation,
             wizardController.walletOptionsName);
 
-        if(isIOS) {
-            console.log("saving in ios: " + moneroAccountsDir + new_wallet_filename)
-            wizardController.m_wallet.store(moneroAccountsDir + new_wallet_filename);
-        } else {
-            console.log("saving in wizard: " + new_wallet_filename)
-            wizardController.m_wallet.store(new_wallet_filename);
+        const handler = function(success) {
+            if (!success) {
+                appWindow.showStatusMessage(qsTr("Failed to store the wallet"), 3);
+                return;
+            }
+
+            // make sure temporary wallet files are deleted
+            console.log("Removing temporary wallet: " + wizardController.tmpWalletFilename)
+            oshelper.removeTemporaryWallet(wizardController.tmpWalletFilename)
+
+            // protecting wallet with password
+            wizardController.m_wallet.setPassword(wizardController.walletOptionsPassword);
+
+            // save to persistent settings
+            persistentSettings.language = wizardController.language_language
+            persistentSettings.locale   = wizardController.language_locale
+
+            persistentSettings.account_name = wizardController.walletOptionsName
+            persistentSettings.wallet_path = wizardController.m_wallet.path;
+            persistentSettings.restore_height = (isNaN(walletOptionsRestoreHeight))? 0 : walletOptionsRestoreHeight
+
+            persistentSettings.allow_background_mining = false
+            persistentSettings.is_recovering = (wizardController.walletOptionsIsRecovering === undefined) ? false : wizardController.walletOptionsIsRecovering
+            persistentSettings.is_recovering_from_device = (wizardController.walletOptionsIsRecoveringFromDevice === undefined) ? false : wizardController.walletOptionsIsRecoveringFromDevice
+
+            restart();
+
+            onSuccess();
+        };
+
+        if (isIOS) {
+            new_wallet_filename = moneroAccountsDir + new_wallet_filename;
         }
-
-        // make sure temporary wallet files are deleted
-        console.log("Removing temporary wallet: " + wizardController.tmpWalletFilename)
-        oshelper.removeTemporaryWallet(wizardController.tmpWalletFilename)
-
-        // protecting wallet with password
-        wizardController.m_wallet.setPassword(wizardController.walletOptionsPassword);
-
-        // save to persistent settings
-        persistentSettings.language = wizardController.language_language
-        persistentSettings.locale   = wizardController.language_locale
-
-        persistentSettings.account_name = wizardController.walletOptionsName
-        persistentSettings.wallet_path = wizardController.m_wallet.path;
-        persistentSettings.restore_height = (isNaN(walletOptionsRestoreHeight))? 0 : walletOptionsRestoreHeight
-
-        persistentSettings.allow_background_mining = false
-        persistentSettings.is_recovering = (wizardController.walletOptionsIsRecovering === undefined) ? false : wizardController.walletOptionsIsRecovering
-        persistentSettings.is_recovering_from_device = (wizardController.walletOptionsIsRecoveringFromDevice === undefined) ? false : wizardController.walletOptionsIsRecoveringFromDevice
-
-        restart();
+        console.log("saving new wallet to", new_wallet_filename);
+        wizardController.m_wallet.storeAsync(handler, new_wallet_filename);
     }
 
     function recoveryWallet() {

wizard/WizardCreateWallet4.qml

@@ -77,9 +77,10 @@ Rectangle {
                     }
                 }
                 onNextClicked: {
-                    wizardController.writeWallet();
-                    wizardController.useMoneroClicked();
-                    wizardController.walletOptionsIsRecoveringFromDevice = false;
+                    wizardController.writeWallet(function() {
+                        wizardController.useMoneroClicked();
+                        wizardController.walletOptionsIsRecoveringFromDevice = false;
+                    });
                 }
             }
         }

wizard/WizardRestoreWallet4.qml

@@ -78,8 +78,9 @@ Rectangle {
                 }
                 onNextClicked: {
                     wizardController.recoveryWallet();
-                    wizardController.writeWallet();
-                    wizardController.useMoneroClicked();
+                    wizardController.writeWallet(function() {
+                        wizardController.useMoneroClicked();
+                    });
                 }
             }
         }