1 files changed, 184 insertions, 0 deletions
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
new file mode 100644
index 0000000000..d8139e9f09
--- /dev/null
+++ b/src/qt/walletmodel.cpp
@@ -0,0 +1,184 @@
+#include "walletmodel.h"
+#include "guiconstants.h"
+#include "optionsmodel.h"
+#include "addresstablemodel.h"
+#include "transactiontablemodel.h"
+
+#include "headers.h"
+
+#include <QTimer>
+#include <QSet>
+
+WalletModel::WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent) :
+    QObject(parent), wallet(wallet), optionsModel(optionsModel), addressTableModel(0),
+    transactionTableModel(0),
+    cachedBalance(0), cachedUnconfirmedBalance(0), cachedNumTransactions(0)
+{
+    // Until signal notifications is built into the bitcoin core,
+    //  simply update everything after polling using a timer.
+    QTimer *timer = new QTimer(this);
+    connect(timer, SIGNAL(timeout()), this, SLOT(update()));
+    timer->start(MODEL_UPDATE_DELAY);
+
+    addressTableModel = new AddressTableModel(wallet, this);
+    transactionTableModel = new TransactionTableModel(wallet, this);
+}
+
+qint64 WalletModel::getBalance() const
+{
+    return wallet->GetBalance();
+}
+
+qint64 WalletModel::getUnconfirmedBalance() const
+{
+    return wallet->GetUnconfirmedBalance();
+}
+
+int WalletModel::getNumTransactions() const
+{
+    int numTransactions = 0;
+    CRITICAL_BLOCK(wallet->cs_mapWallet)
+    {
+        numTransactions = wallet->mapWallet.size();
+    }
+    return numTransactions;
+}
+
+void WalletModel::update()
+{
+    qint64 newBalance = getBalance();
+    qint64 newUnconfirmedBalance = getUnconfirmedBalance();
+    int newNumTransactions = getNumTransactions();
+
+    if(cachedBalance != newBalance || cachedUnconfirmedBalance != newUnconfirmedBalance)
+        emit balanceChanged(newBalance, newUnconfirmedBalance);
+
+    if(cachedNumTransactions != newNumTransactions)
+        emit numTransactionsChanged(newNumTransactions);
+
+    cachedBalance = newBalance;
+    cachedUnconfirmedBalance = newUnconfirmedBalance;
+    cachedNumTransactions = newNumTransactions;
+
+    addressTableModel->update();
+}
+
+bool WalletModel::validateAddress(const QString &address)
+{
+    CBitcoinAddress addressParsed(address.toStdString());
+    return addressParsed.IsValid();
+}
+
+WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients)
+{
+    qint64 total = 0;
+    QSet<QString> setAddress;
+    QString hex;
+
+    if(recipients.empty())
+    {
+        return OK;
+    }
+
+    // Pre-check input data for validity
+    foreach(const SendCoinsRecipient &rcp, recipients)
+    {
+        uint160 hash160 = 0;
+
+        if(!validateAddress(rcp.address))
+        {
+            return InvalidAddress;
+        }
+        setAddress.insert(rcp.address);
+
+        if(rcp.amount <= 0)
+        {
+            return InvalidAmount;
+        }
+        total += rcp.amount;
+    }
+
+    if(recipients.size() > setAddress.size())
+    {
+        return DuplicateAddress;
+    }
+
+    if(total > getBalance())
+    {
+        return AmountExceedsBalance;
+    }
+
+    if((total + nTransactionFee) > getBalance())
+    {
+        return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
+    }
+
+    CRITICAL_BLOCK(cs_main)
+    CRITICAL_BLOCK(wallet->cs_mapWallet)
+    {
+        // Sendmany
+        std::vector<std::pair<CScript, int64> > vecSend;
+        foreach(const SendCoinsRecipient &rcp, recipients)
+        {
+            CScript scriptPubKey;
+            scriptPubKey.SetBitcoinAddress(rcp.address.toStdString());
+            vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
+        }
+
+        CWalletTx wtx;
+        CReserveKey keyChange(wallet);
+        int64 nFeeRequired = 0;
+        bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
+
+        if(!fCreated)
+        {
+            if((total + nFeeRequired) > wallet->GetBalance())
+            {
+                return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
+            }
+            return TransactionCreationFailed;
+        }
+        if(!ThreadSafeAskFee(nFeeRequired, tr("Sending...").toStdString(), NULL))
+        {
+            return Aborted;
+        }
+        if(!wallet->CommitTransaction(wtx, keyChange))
+        {
+            return TransactionCommitFailed;
+        }
+        hex = QString::fromStdString(wtx.GetHash().GetHex());
+    }
+
+    // Add addresses that we've sent to to the address book
+    foreach(const SendCoinsRecipient &rcp, recipients)
+    {
+        std::string strAddress = rcp.address.toStdString();
+        CRITICAL_BLOCK(wallet->cs_mapAddressBook)
+        {
+            if (!wallet->mapAddressBook.count(strAddress))
+                wallet->SetAddressBookName(strAddress, rcp.label.toStdString());
+        }
+    }
+
+    // Update our model of the address table
+    addressTableModel->updateList();
+
+    return SendCoinsReturn(OK, 0, hex);
+}
+
+OptionsModel *WalletModel::getOptionsModel()
+{
+    return optionsModel;
+}
+
+AddressTableModel *WalletModel::getAddressTableModel()
+{
+    return addressTableModel;
+}
+
+TransactionTableModel *WalletModel::getTransactionTableModel()
+{
+    return transactionTableModel;
+}
+
+