From 9e8904f6aeb6e98b4781fcf408b0a2bee550051d Mon Sep 17 00:00:00 2001
From: Jonas Schnelli <jonas.schnelli@include7.ch>
Date: Fri, 30 Aug 2013 20:04:48 +0200
Subject: qt: Display txfee in first sendCoinsDialog message box

Signed-off-by: Jonas Schnelli <jonas.schnelli@include7.ch>
---
 src/qt/walletmodel.cpp | 59 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 35 insertions(+), 24 deletions(-)

(limited to 'src/qt/walletmodel.cpp')

diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 61357647b7..cdc7ae3874 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -5,7 +5,6 @@
 #include "transactiontablemodel.h"
 
 #include "ui_interface.h"
-#include "wallet.h"
 #include "walletdb.h" // for BackupWallet
 #include "base58.h"
 
@@ -124,11 +123,11 @@ bool WalletModel::validateAddress(const QString &address)
     return addressParsed.IsValid();
 }
 
-WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients)
+WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransaction &transaction)
 {
     qint64 total = 0;
+    QList<SendCoinsRecipient> recipients = transaction.getRecipients();
     std::vector<std::pair<CScript, int64> > vecSend;
-    QByteArray transaction;
 
     if(recipients.empty())
     {
@@ -192,58 +191,70 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipie
 
     if((total + nTransactionFee) > getBalance())
     {
-        return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
+        transaction.setTransactionFee(nTransactionFee);
+        return SendCoinsReturn(AmountWithFeeExceedsBalance);
     }
 
     {
         LOCK2(cs_main, wallet->cs_wallet);
 
-        CReserveKey keyChange(wallet);
+        transaction.newPossibleKeyChange(wallet);
         int64 nFeeRequired = 0;
         std::string strFailReason;
-        CWalletTx wtx;
-        bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
+
+        CWalletTx *newTx = transaction.getTransaction();
+        CReserveKey *keyChange = transaction.getPossibleKeyChange();
+        bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, strFailReason);
+        transaction.setTransactionFee(nFeeRequired);
 
         if(!fCreated)
         {
             if((total + nFeeRequired) > wallet->GetBalance())
             {
-                return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
+                return SendCoinsReturn(AmountWithFeeExceedsBalance);
             }
             emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
                          CClientUIInterface::MSG_ERROR);
             return TransactionCreationFailed;
         }
+    }
+
+    return SendCoinsReturn(OK);
+}
+
+WalletModel::SendCoinsReturn WalletModel::sendCoins(WalletModelTransaction &transaction)
+{
+    QByteArray transaction_array; /* store serialized transaction */
+
+    {
+        LOCK2(cs_main, wallet->cs_wallet);
+        CWalletTx *newTx = transaction.getTransaction();
+
         // Store PaymentRequests in wtx.vOrderForm in wallet.
-        foreach(const SendCoinsRecipient &rcp, recipients)
+        foreach(const SendCoinsRecipient &rcp, transaction.getRecipients())
         {
             if (rcp.paymentRequest.IsInitialized())
             {
                 std::string key("PaymentRequest");
                 std::string value;
                 rcp.paymentRequest.SerializeToString(&value);
-                wtx.vOrderForm.push_back(make_pair(key, value));
+                newTx->vOrderForm.push_back(make_pair(key, value));
             }
-        }        
-
-        if(!uiInterface.ThreadSafeAskFee(nFeeRequired))
-        {
-            return Aborted;
         }
-        if(!wallet->CommitTransaction(wtx, keyChange))
-        {
+
+        CReserveKey *keyChange = transaction.getPossibleKeyChange();
+        if(!wallet->CommitTransaction(*newTx, *keyChange))
             return TransactionCommitFailed;
-        }
 
-        CTransaction* t = (CTransaction*)&wtx;
+        CTransaction* t = (CTransaction*)newTx;
         CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
         ssTx << *t;
-        transaction.append(&(ssTx[0]), ssTx.size());
+        transaction_array.append(&(ssTx[0]), ssTx.size());
     }
 
     // Add addresses / update labels that we've sent to to the address book,
-    // and emit coinsSent signal
-    foreach(const SendCoinsRecipient &rcp, recipients)
+    // and emit coinsSent signal for each recipient
+    foreach(const SendCoinsRecipient &rcp, transaction.getRecipients())
     {
         std::string strAddress = rcp.address.toStdString();
         CTxDestination dest = CBitcoinAddress(strAddress).Get();
@@ -263,10 +274,10 @@ WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipie
                 wallet->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
             }
         }
-        emit coinsSent(wallet, rcp, transaction);
+        emit coinsSent(wallet, rcp, transaction_array);
     }
 
-    return SendCoinsReturn(OK, 0);
+    return SendCoinsReturn(OK);
 }
 
 OptionsModel *WalletModel::getOptionsModel()
-- 
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