Create backups of wallet.dat automatically

src/init.cpp

@@ -711,9 +711,37 @@ bool AppInit2(boost::thread_group& threadGroup)
 
     int64_t nStart;
 
-    // ********************************************************* Step 5: verify wallet database integrity
+    // ********************************************************* Step 5: Backup wallet and verify wallet database integrity
 #ifdef ENABLE_WALLET
     if (!fDisableWallet) {
+        filesystem::path backupDir = GetDataDir() / "backups";
+        if (!filesystem::exists(backupDir))
+        {
+            // Always created backup folder, even when it's not used.
+            filesystem::create_directories(backupDir);
+        }
+
+        if(GetBoolArg("-createwalletbackups", true))
+        {
+            if (!filesystem::exists(backupDir))
+                filesystem::create_directories(backupDir);
+            // Create backup of the wallet
+            if (filesystem::exists(backupDir))
+            {
+                std::string dateTimeStr = DateTimeStrFormat(".%Y-%m-%d %H:%M:%S", GetTime());
+                std::string backupDirStr = backupDir.string();
+                backupDirStr += "/" + strWalletFile;
+                boost::filesystem::path sourceFile = strWalletFile;
+                boost::filesystem::path backupFile = backupDirStr + dateTimeStr;
+                try {                
+                    boost::filesystem::copy_file(sourceFile, backupFile);
+                    LogPrintf("Creating backup of %s -> %s\n", sourceFile, backupFile);
+                } catch(boost::filesystem::filesystem_error &error) {
+                    LogPrintf("Failed to create backup %s -> %s\n", sourceFile, backupFile);
+                }
+            }
+        }
+        
         LogPrintf("Using wallet %s\n", strWalletFile);
         uiInterface.InitMessage(_("Verifying wallet..."));
 

src/qt/Makefile.am

@@ -222,7 +222,8 @@ RES_ICONS = \
   res/icons/drkblue_editpaste.png \
   res/icons/drkblue_address-book.png \
   res/icons/drkblue_editcopy.png \
-  res/icons/drkblue_remove.png
+  res/icons/drkblue_remove.png \
+  res/icons/browse.png
 
 
 BITCOIN_QT_CPP = \

src/qt/bitcoingui.cpp

@@ -193,6 +193,7 @@ BitcoinGUI::BitcoinGUI(bool fIsTestnet, QWidget *parent) :
     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(showConsole()));
     connect(openNetworkAction, SIGNAL(triggered()), rpcConsole, SLOT(showNetwork()));
     connect(openConfEditorAction, SIGNAL(triggered()), rpcConsole, SLOT(showConfEditor()));
+    connect(showBackupsAction, SIGNAL(triggered()), rpcConsole, SLOT(showBackups()));
 
 
     // prevents an oben debug window from becoming stuck/unusable on client shutdown
@@ -330,6 +331,8 @@ void BitcoinGUI::createActions(bool fIsTestnet)
     openNetworkAction->setStatusTip(tr("Show network monitor"));
 	openConfEditorAction = new QAction(QIcon(":/icons/edit"), tr("Open &Configuration File"), this);
     openConfEditorAction->setStatusTip(tr("Open configuration file"));
+    showBackupsAction = new QAction(QIcon(":/icons/browse"), tr("Show Auto&Backups"), this);
+    showBackupsAction->setStatusTip(tr("S"));
 
     usedSendingAddressesAction = new QAction(QIcon(":/icons/address-book"), tr("&Sending addresses..."), this);
     usedSendingAddressesAction->setStatusTip(tr("Show the list of used sending addresses and labels"));
@@ -408,6 +411,7 @@ void BitcoinGUI::createMenuBar()
         tools->addAction(openRPCConsoleAction);
         tools->addAction(openNetworkAction);
         tools->addAction(openConfEditorAction);
+        tools->addAction(showBackupsAction);
     }
 
     QMenu *help = appMenuBar->addMenu(tr("&Help"));
@@ -570,6 +574,7 @@ void BitcoinGUI::createTrayIconMenu()
     trayIconMenu->addAction(openRPCConsoleAction);
     trayIconMenu->addAction(openNetworkAction);
     trayIconMenu->addAction(openConfEditorAction);
+    trayIconMenu->addAction(showBackupsAction);
 #ifndef Q_OS_MAC // This is built-in on Mac
     trayIconMenu->addSeparator();
     trayIconMenu->addAction(quitAction);

src/qt/bitcoingui.h

@@ -97,6 +97,7 @@ private:
     QAction *openRPCConsoleAction;
     QAction *openNetworkAction;
     QAction *openConfEditorAction;
+    QAction *showBackupsAction;
     QAction *openAction;
     QAction *showHelpMessageAction;
 

src/qt/dash.qrc

@@ -45,6 +45,7 @@
         <file alias="drkblue_address-book">res/icons/drkblue_address-book.png</file>
         <file alias="drkblue_editcopy">res/icons/drkblue_editcopy.png</file>
         <file alias="drkblue_remove">res/icons/drkblue_remove.png</file>
+        <file alias="browse">res/icons/browse.png</file>
     </qresource>
     <qresource prefix="/css">
         <file alias="drkblue">res/css/drkblue.css</file>

src/qt/guiutil.cpp

@@ -384,6 +384,15 @@ void openConfigfile()
         QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathConfig)));
 }
 
+void showBackups()
+{
+    boost::filesystem::path pathBackups = GetDataDir() / "backups";
+
+    /* Open folder with default browser */
+    if (boost::filesystem::exists(pathBackups))
+        QDesktopServices::openUrl(QUrl::fromLocalFile(boostPathToQString(pathBackups)));
+}
+
 ToolTipToRichTextFilter::ToolTipToRichTextFilter(int size_threshold, QObject *parent) :
     QObject(parent), size_threshold(size_threshold)
 {

src/qt/guiutil.h

@@ -107,6 +107,9 @@ namespace GUIUtil
     // Open dash.conf
     void openConfigfile();	
     
+    // Browse backup folder
+    void showBackups();
+
     /** Qt event filter that intercepts ToolTipChange events, and replaces the tooltip with a rich text
       representation if needed. This assures that Qt can word-wrap long tooltip messages.
       Tooltips longer than the provided size threshold (in characters) are wrapped.

src/qt/rpcconsole.cpp

@@ -524,3 +524,8 @@ void RPCConsole::showConfEditor()
 {
     GUIUtil::openConfigfile();
 }
+
+void RPCConsole::showBackups()
+{
+    GUIUtil::showBackups();
+}

src/qt/rpcconsole.h

@@ -67,6 +67,8 @@ public slots:
     void showNetwork();
     /** Open external (default) editor with dash.conf */
     void showConfEditor();	
+    /** Show folder with wallet backups in default browser */
+    void showBackups();
 
 signals:
     // For RPC command executor