Wallet: async fetching wallet, daemon and target height

2 files changed, 26 insertions, 9 deletions

diff --git a/src/libwalletqt/Wallet.cpp b/src/libwalletqt/Wallet.cpp
index 2f106aed..629106da 100644
--- a/src/libwalletqt/Wallet.cpp
+++ b/src/libwalletqt/Wallet.cpp
@@ -348,6 +348,19 @@ void Wallet::setSubaddressLabel(quint32 accountIndex, quint32 addressIndex, cons
     m_walletImpl->setSubaddressLabel(accountIndex, addressIndex, label.toStdString());
 }
 
+void Wallet::refreshHeightAsync() const
+{
+    QtConcurrent::run([this] {
+        QFuture<quint64> daemonHeight = QtConcurrent::run([this] {
+            return daemonBlockChainHeight();
+        });
+        QFuture<quint64> targetHeight = QtConcurrent::run([this] {
+            return daemonBlockChainTargetHeight();
+        });
+        emit heightRefreshed(blockChainHeight(), daemonHeight.result(), targetHeight.result());
+    });
+}
+
 quint64 Wallet::blockChainHeight() const
 {
     return m_walletImpl->blockChainHeight();
diff --git a/src/libwalletqt/Wallet.h b/src/libwalletqt/Wallet.h
index 39df6cc8..ba12d1de 100644
--- a/src/libwalletqt/Wallet.h
+++ b/src/libwalletqt/Wallet.h
@@ -181,15 +181,7 @@ public:
     //! returns if view only wallet
     Q_INVOKABLE bool viewOnly() const;
 
-    //! returns current wallet's block height
-    //! (can be less than daemon's blockchain height when wallet sync in progress)
-    Q_INVOKABLE quint64 blockChainHeight() const;
-
-    //! returns daemon's blockchain height
-    Q_INVOKABLE quint64 daemonBlockChainHeight() const;
-
-    //! returns daemon's blockchain target height
-    Q_INVOKABLE quint64 daemonBlockChainTargetHeight() const;
+    Q_INVOKABLE void refreshHeightAsync() const;
 
     //! export/import key images
     Q_INVOKABLE bool exportKeyImages(const QString& path);
@@ -355,6 +347,7 @@ signals:
     void deviceButtonRequest(quint64 buttonCode);
     void deviceButtonPressed();
     void transactionCommitted(bool status, PendingTransaction *t, QStringList txid);
+    void heightRefreshed(quint64 walletHeight, quint64 daemonHeight, quint64 targetHeight) const;
 
     // emitted when transaction is created async
     void transactionCreated(PendingTransaction * transaction, QString address, QString paymentId, quint32 mixinCount);
@@ -365,6 +358,17 @@ private:
     Wallet(QObject * parent = nullptr);
     Wallet(Monero::Wallet *w, QObject * parent = 0);
     ~Wallet();
+
+    //! returns current wallet's block height
+    //! (can be less than daemon's blockchain height when wallet sync in progress)
+    quint64 blockChainHeight() const;
+
+    //! returns daemon's blockchain height
+    quint64 daemonBlockChainHeight() const;
+
+    //! returns daemon's blockchain target height
+    quint64 daemonBlockChainTargetHeight() const;
+
 private:
     friend class WalletManager;
     friend class WalletListenerImpl;