Transaction history is not crashing and refreshing properly

src/libwalletqt/TransactionHistory.cpp

@@ -7,54 +7,53 @@
 
 TransactionInfo *TransactionHistory::transaction(int index)
 {
-    // box up Bitmonero::TransactionInfo
-    Bitmonero::TransactionInfo * impl = m_pimpl->transaction(index);
-    if (!impl) {
+
+    if (index < 0 || index >= m_tinfo.size()) {
         qCritical("%s: no transaction info for index %d", __FUNCTION__, index);
         qCritical("%s: there's %d transactions in backend", __FUNCTION__, m_pimpl->count());
         return nullptr;
     }
-    TransactionInfo * result = new TransactionInfo(impl, this);
-    return result;
+    return m_tinfo.at(index);
 }
 
-TransactionInfo *TransactionHistory::transaction(const QString &id)
-{
-    // box up Bitmonero::TransactionInfo
-    Bitmonero::TransactionInfo * impl = m_pimpl->transaction(id.toStdString());
-    TransactionInfo * result = new TransactionInfo(impl, this);
-    return result;
-}
+//// XXX: not sure if this method really needed;
+//TransactionInfo *TransactionHistory::transaction(const QString &id)
+//{
+//    return nullptr;
+//}
 
 QList<TransactionInfo *> TransactionHistory::getAll() const
 {
+    // XXX this invalidates previously saved history that might be used by model
+    emit refreshStarted();
     qDeleteAll(m_tinfo);
     m_tinfo.clear();
     TransactionHistory * parent = const_cast<TransactionHistory*>(this);
     for (const auto i : m_pimpl->getAll()) {
         TransactionInfo * ti = new TransactionInfo(i, parent);
+        qDebug() << ti->hash();
         m_tinfo.append(ti);
     }
+    emit refreshFinished();
     return m_tinfo;
 }
 
 void TransactionHistory::refresh()
 {
-    // XXX this invalidates previously saved history that might be used by clients
-
-    emit refreshStarted();
+    // rebuilding transaction list in wallet_api;
     m_pimpl->refresh();
-    emit refreshFinished();
+    // copying list here and keep track on every item to avoid memleaks
+    getAll();
 }
 
 quint64 TransactionHistory::count() const
 {
-    return m_pimpl->count();
+    return m_tinfo.count();
 }
 
 
 TransactionHistory::TransactionHistory(Bitmonero::TransactionHistory *pimpl, QObject *parent)
     : QObject(parent), m_pimpl(pimpl)
 {
-
+    // this->refresh();
 }