Balance on UI updated by the signal

main.qml

@@ -142,10 +142,19 @@ ApplicationWindow {
             console.log("Error initialize wallet: ", wallet.errorString);
             return
         }
+
+        // subscribing for wallet updates
+        wallet.updated.connect(onWalletUpdate);
+
         // TODO: refresh asynchronously without blocking UI, implement signal(s)
         wallet.refresh();
 
         console.log("wallet balance: ", wallet.balance)
+
+    }
+
+    function onWalletUpdate() {
+        console.log("wallet updated")
         leftPanel.unlockedBalanceText = walletManager.displayAmount(wallet.unlockedBalance);
         leftPanel.balanceText = walletManager.displayAmount(wallet.balance);
     }
@@ -176,8 +185,11 @@ ApplicationWindow {
                     + ", fee: " + walletManager.displayAmount(pendingTransaction.fee));
             if (!pendingTransaction.commit()) {
                 console.log("Error committing transaction: " + pendingTransaction.errorString);
+            } else {
+                wallet.refresh();
             }
         }
+
         wallet.disposeTransaction(pendingTransaction);
     }
 

src/libwalletqt/Wallet.cpp

@@ -7,6 +7,7 @@
 #include <QDir>
 #include <QDebug>
 #include <QUrl>
+#include <QTimer>
 
 namespace {
 
@@ -81,7 +82,10 @@ quint64 Wallet::unlockedBalance() const
 
 bool Wallet::refresh()
 {
-    return m_walletImpl->refresh();
+    bool result = m_walletImpl->refresh();
+    if (result)
+        emit updated();
+    return result;
 }
 
 PendingTransaction *Wallet::createTransaction(const QString &dst_addr, quint64 amount)

src/libwalletqt/Wallet.h

@@ -85,6 +85,9 @@ public:
     TransactionHistory * history();
 
     // TODO: setListenter() when it implemented in API
+signals:
+    void updated();
+
 
 private:
     Wallet(Bitmonero::Wallet *w, QObject * parent = 0);