qt: Adding transaction size to transaction details window

src/qt/transactiondesc.cpp

@@ -241,6 +241,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
         strHTML += "<br><b>" + tr("Comment") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
 
     strHTML += "<b>" + tr("Transaction ID") + ":</b> " + rec->getTxID() + "<br>";
+    strHTML += "<b>" + tr("Transaction size") + ":</b> " + QString::number(wtx.GetTotalSize()) + " bytes<br>";
     strHTML += "<b>" + tr("Output index") + ":</b> " + QString::number(rec->getOutputIndex()) + "<br>";
 
     // Message from normal bitcoin:URI (bitcoin:123...?message=example)