qt: Early subscribe core signals in transaction table model

Author: promag

src/qt/transactiontablemodel.cpp

@@ -118,6 +118,7 @@ class TransactionTablePriv
             }
         }
         m_loaded = true;
+        DispatchNotifications();
     }
 
     /* Update our model of the wallet incrementally, to synchronize our model of the wallet
@@ -252,12 +253,12 @@ TransactionTableModel::TransactionTableModel(const PlatformStyle *_platformStyle
         fProcessingQueuedTransactions(false),
         platformStyle(_platformStyle)
 {
+    subscribeToCoreSignals();
+
     columns << QString() << QString() << tr("Date") << tr("Type") << tr("Label") << BitcoinUnits::getAmountColumnTitle(walletModel->getOptionsModel()->getDisplayUnit());
     priv->refreshWallet(walletModel->wallet());
 
     connect(walletModel->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &TransactionTableModel::updateDisplayUnit);
-
-    subscribeToCoreSignals();
 }
 
 TransactionTableModel::~TransactionTableModel()
@@ -722,7 +723,7 @@ void TransactionTablePriv::NotifyTransactionChanged(const uint256 &hash, ChangeT
 
     TransactionNotification notification(hash, status, showTransaction);
 
-    if (m_loading)
+    if (!m_loaded || m_loading)
     {
         vQueueNotifications.push_back(notification);
         return;
@@ -732,7 +733,7 @@ void TransactionTablePriv::NotifyTransactionChanged(const uint256 &hash, ChangeT
 
 void TransactionTablePriv::DispatchNotifications()
 {
-    if (m_loading) return;
+    if (!m_loaded || m_loading) return;
 
     {
         if (vQueueNotifications.size() > 10) { // prevent balloon spam, show maximum 10 balloons