From e36b166edde49f5943e745137c1796beccdb08bb Mon Sep 17 00:00:00 2001
From: tobtoht <thotbot@protonmail.com>
Date: Sat, 24 Apr 2021 05:51:19 +0200
Subject: [PATCH 1/2] Wallet: import / export output function

---
 src/libwalletqt/Wallet.cpp | 8 ++++++++
 src/libwalletqt/Wallet.h   | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/src/libwalletqt/Wallet.cpp b/src/libwalletqt/Wallet.cpp
index f7cc1965..82b101b1 100644
--- a/src/libwalletqt/Wallet.cpp
+++ b/src/libwalletqt/Wallet.cpp
@@ -499,6 +499,14 @@ bool Wallet::importKeyImages(const QString& path)
     return m_walletImpl->importKeyImages(path.toStdString());
 }
 
+bool Wallet::exportOutputs(const QString& path, bool all) {
+    return m_walletImpl->exportOutputs(path.toStdString(), all);
+}
+
+bool Wallet::importOutputs(const QString& path) {
+    return m_walletImpl->importOutputs(path.toStdString());
+}
+
 bool Wallet::refresh(bool historyAndSubaddresses /* = true */)
 {
     refreshingSet(true);
diff --git a/src/libwalletqt/Wallet.h b/src/libwalletqt/Wallet.h
index e0157ee3..e1d19914 100644
--- a/src/libwalletqt/Wallet.h
+++ b/src/libwalletqt/Wallet.h
@@ -208,6 +208,10 @@ public:
     Q_INVOKABLE bool exportKeyImages(const QString& path);
     Q_INVOKABLE bool importKeyImages(const QString& path);
 
+    //! export/import outputs
+    Q_INVOKABLE bool exportOutputs(const QString& path, bool all = false);
+    Q_INVOKABLE bool importOutputs(const QString& path);
+
     //! refreshes the wallet
     Q_INVOKABLE bool refresh(bool historyAndSubaddresses = true);
 

From 36940f07c9de9a2acbe64771f64646002c739a1c Mon Sep 17 00:00:00 2001
From: selsta <selsta@sent.at>
Date: Sat, 24 Apr 2021 06:10:52 +0200
Subject: [PATCH 2/2] Transfer: add support for outputs import / export

---
 pages/Transfer.qml | 61 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/pages/Transfer.qml b/pages/Transfer.qml
index 1b1a8260..fe232dee 100644
--- a/pages/Transfer.qml
+++ b/pages/Transfer.qml
@@ -898,6 +898,32 @@ Rectangle {
             }
         }
 
+        AdvancedOptionsItem {
+            visible: persistentSettings.transferShowAdvanced && appWindow.walletMode >= 2
+            title: qsTr("Outputs") + translationManager.emptyString
+            button1.text: qsTr("Export") + translationManager.emptyString
+            button1.enabled: appWindow.viewOnly
+            button1.onClicked: {
+                console.log("Transfer: export outputs clicked")
+                exportOutputsDialog.open();
+            }
+            button2.text: qsTr("Import") + translationManager.emptyString
+            button2.enabled: !appWindow.viewOnly
+            button2.onClicked: {
+                console.log("Transfer: import outputs clicked")
+                importOutputsDialog.open();
+            }
+            tooltip: {
+                var header = qsTr("Required for cold wallets to sign their corresponding key images") + translationManager.emptyString;
+                return "<style type='text/css'>.header{ font-size: 13px; } p{line-height:20px; margin-top:0px; margin-bottom:0px; " +
+                       ";} p.orange{color:#ff9323;}</style>" +
+                       "<div class='header'>" + header + "</div>" +
+                       "<p>" + qsTr("1. Using view-only wallet, export the outputs into a file") + "</p>" +
+                       "<p>" + qsTr("2. Using cold wallet, import the outputs file") + "</p>" +
+                       translationManager.emptyString
+            }
+        }
+
         AdvancedOptionsItem {
             visible: persistentSettings.transferShowAdvanced && appWindow.walletMode >= 2
             title: qsTr("Key images") + translationManager.emptyString
@@ -1072,6 +1098,41 @@ Rectangle {
 
     }
     
+    FileDialog {
+        id: exportOutputsDialog
+        selectMultiple: false
+        selectExisting: false
+        onAccepted: {
+            console.log(walletManager.urlToLocalPath(exportOutputsDialog.fileUrl))
+            if (currentWallet.exportOutputs(walletManager.urlToLocalPath(exportOutputsDialog.fileUrl), true)) {
+                appWindow.showStatusMessage(qsTr("Outputs successfully exported to file") + translationManager.emptyString, 3);
+            } else {
+                appWindow.showStatusMessage(currentWallet.errorString, 5);
+            }
+        }
+        onRejected: {
+            console.log("Canceled");
+        }
+    }
+
+    FileDialog {
+        id: importOutputsDialog
+        selectMultiple: false
+        selectExisting: true
+        title: qsTr("Please choose a file") + translationManager.emptyString
+        onAccepted: {
+            console.log(walletManager.urlToLocalPath(importOutputsDialog.fileUrl))
+            if (currentWallet.importOutputs(walletManager.urlToLocalPath(importOutputsDialog.fileUrl))) {
+                appWindow.showStatusMessage(qsTr("Outputs successfully imported to wallet") + translationManager.emptyString, 3);
+            } else {
+                appWindow.showStatusMessage(currentWallet.errorString, 5);
+            }
+        }
+        onRejected: {
+            console.log("Canceled");
+        }
+    }
+
     //ExportKeyImagesDialog
     FileDialog {
         id: exportKeyImagesDialog