qt: Display txfee in first sendCoinsDialog message box

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>

src/qt/walletmodeltransaction.cpp

@@ -0,0 +1,56 @@
+#include "walletmodeltransaction.h"
+
+WalletModelTransaction::WalletModelTransaction(const QList<SendCoinsRecipient> &recipients) :
+    recipients(recipients),
+    walletTransaction(0),
+    keyChange(0),
+    fee(0)
+{
+    walletTransaction = new CWalletTx();
+}
+
+WalletModelTransaction::~WalletModelTransaction()
+{
+    delete keyChange;
+    delete walletTransaction;
+}
+
+QList<SendCoinsRecipient> WalletModelTransaction::getRecipients()
+{
+    return recipients;
+}
+
+CWalletTx *WalletModelTransaction::getTransaction()
+{
+    return walletTransaction;
+}
+
+qint64 WalletModelTransaction::getTransactionFee()
+{
+    return fee;
+}
+
+void WalletModelTransaction::setTransactionFee(qint64 newFee)
+{
+    fee=newFee;
+}
+
+qint64 WalletModelTransaction::getTotalTransactionAmount()
+{
+    qint64 totalTransactionAmount = 0;
+    foreach(const SendCoinsRecipient &rcp, recipients)
+    {
+        totalTransactionAmount+=rcp.amount;
+    }
+    return totalTransactionAmount;
+}
+
+void WalletModelTransaction::newPossibleKeyChange(CWallet *wallet)
+{
+    keyChange = new CReserveKey(wallet);
+}
+
+CReserveKey *WalletModelTransaction::getPossibleKeyChange()
+{
+    return keyChange;
+}