From c88bb60135226dc889e51ad5a494d4bd600662b6 Mon Sep 17 00:00:00 2001
From: Dusan Klinec <dusan.klinec@gmail.com>
Date: Thu, 2 May 2019 10:11:43 +0200
Subject: transaction: async commit

Addresses #2123, reduces UI freezing on long-lasting operation, improves Trezor experience
---
 src/libwalletqt/Wallet.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/libwalletqt/Wallet.cpp')

diff --git a/src/libwalletqt/Wallet.cpp b/src/libwalletqt/Wallet.cpp
index 0c320842..17b391a6 100644
--- a/src/libwalletqt/Wallet.cpp
+++ b/src/libwalletqt/Wallet.cpp
@@ -496,6 +496,22 @@ bool Wallet::submitTxFile(const QString &fileName) const
     return m_walletImpl->importKeyImages(fileName.toStdString() + "_keyImages");
 }
 
+void Wallet::commitTransactionAsync(PendingTransaction *t)
+{
+  QStringList txid(t->txid());
+  QFuture<bool> future = QtConcurrent::run(t, &PendingTransaction::commit);
+
+  QFutureWatcher<bool> * watcher = new QFutureWatcher<bool>();
+
+  connect(watcher, &QFutureWatcher<bool>::finished,
+          this, [this, watcher, t, txid]() {
+        QFuture<bool> future = watcher->future();
+        watcher->deleteLater();
+        emit transactionCommitted(future.result(), t, txid);
+      });
+  watcher->setFuture(future);
+}
+
 void Wallet::disposeTransaction(PendingTransaction *t)
 {
     m_walletImpl->disposeTransaction(t->m_pimpl);
-- 
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