export/import key images when cold signing

src/libwalletqt/UnsignedTransaction.cpp

@@ -69,7 +69,10 @@ QStringList UnsignedTransaction::recipientAddress() const
 
 bool UnsignedTransaction::sign(const QString &fileName) const
 {
-    return m_pimpl->sign(fileName.toStdString());
+    if(!m_pimpl->sign(fileName.toStdString()))
+        return false;
+    // export key images
+    return m_walletImpl->exportKeyImages(fileName.toStdString() + "_keyImages");
 }
 
 void UnsignedTransaction::setFilename(const QString &fileName)
@@ -77,8 +80,8 @@ void UnsignedTransaction::setFilename(const QString &fileName)
     m_fileName = fileName;
 }
 
-UnsignedTransaction::UnsignedTransaction(Monero::UnsignedTransaction *pt, QObject *parent)
-    : QObject(parent), m_pimpl(pt)
+UnsignedTransaction::UnsignedTransaction(Monero::UnsignedTransaction *pt, Monero::Wallet *walletImpl, QObject *parent)
+    : QObject(parent), m_pimpl(pt), m_walletImpl(walletImpl)
 {
 
 }

src/libwalletqt/UnsignedTransaction.h

@@ -47,12 +47,13 @@ public:
     Q_INVOKABLE void setFilename(const QString &fileName);
 
 private:
-    explicit UnsignedTransaction(Monero::UnsignedTransaction * pt, QObject *parent = 0);
+    explicit UnsignedTransaction(Monero::UnsignedTransaction * pt, Monero::Wallet *walletImpl, QObject *parent = 0);
     ~UnsignedTransaction();
 private:
     friend class Wallet;
     Monero::UnsignedTransaction * m_pimpl;
     QString m_fileName;
+    Monero::Wallet * m_walletImpl;
 };
 
 #endif // UNSIGNEDTRANSACTION_H

src/libwalletqt/Wallet.cpp

@@ -327,14 +327,17 @@ UnsignedTransaction * Wallet::loadTxFile(const QString &fileName)
 {
     qDebug() << "Trying to sign " << fileName;
     Monero::UnsignedTransaction * ptImpl = m_walletImpl->loadUnsignedTx(fileName.toStdString());
-    UnsignedTransaction * result = new UnsignedTransaction(ptImpl, this);
+    UnsignedTransaction * result = new UnsignedTransaction(ptImpl, m_walletImpl, this);
     return result;
 }
 
 bool Wallet::submitTxFile(const QString &fileName) const
 {
     qDebug() << "Trying to submit " << fileName;
-    return m_walletImpl->submitTransaction(fileName.toStdString());
+    if (!m_walletImpl->submitTransaction(fileName.toStdString()))
+        return false;
+    // import key images
+    return m_walletImpl->importKeyImages(fileName.toStdString() + "_keyImages");
 }
 
 void Wallet::disposeTransaction(PendingTransaction *t)