#include "headers.h"
#include <QTimer>
+#include <QSet>
-WalletModel::WalletModel(CWallet *wallet, QObject *parent) :
- QObject(parent), wallet(wallet), optionsModel(0), addressTableModel(0),
- transactionTableModel(0)
+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.
connect(timer, SIGNAL(timeout()), this, SLOT(update()));
timer->start(MODEL_UPDATE_DELAY);
- optionsModel = new OptionsModel(wallet, this);
addressTableModel = new AddressTableModel(wallet, this);
transactionTableModel = new TransactionTableModel(wallet, this);
}
void WalletModel::update()
{
- // Plainly emit all signals for now. To be more efficient this should check
- // whether the values actually changed first, although it'd be even better if these
- // were events coming in from the bitcoin core.
- emit balanceChanged(getBalance());
- emit numTransactionsChanged(getNumTransactions());
+ 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();
}
-WalletModel::StatusCode WalletModel::sendCoins(const QString &payTo, qint64 payAmount, const QString &addToAddressBookAs)
+bool WalletModel::validateAddress(const QString &address)
+{
+ CBitcoinAddress addressParsed(address.toStdString());
+ return addressParsed.IsValid();
+}
+
+WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients)
{
- uint160 hash160 = 0;
- bool valid = false;
+ qint64 total = 0;
+ QSet<QString> setAddress;
+ QString hex;
- if(!AddressToHash160(payTo.toUtf8().constData(), hash160))
+ if(recipients.empty())
{
- return InvalidAddress;
+ 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(payAmount <= 0)
+ if(recipients.size() > setAddress.size())
{
- return InvalidAmount;
+ return DuplicateAddress;
}
- if(payAmount > getBalance())
+ if(total > getBalance())
{
return AmountExceedsBalance;
}
- if((payAmount + nTransactionFee) > getBalance())
+ if((total + nTransactionFee) > getBalance())
{
- return AmountWithFeeExceedsBalance;
+ return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
}
CRITICAL_BLOCK(cs_main)
+ CRITICAL_BLOCK(wallet->cs_mapWallet)
{
- // Send to bitcoin address
+ // 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;
- CScript scriptPubKey;
- scriptPubKey << OP_DUP << OP_HASH160 << hash160 << OP_EQUALVERIFY << OP_CHECKSIG;
+ CReserveKey keyChange(wallet);
+ int64 nFeeRequired = 0;
+ bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
- std::string strError = wallet->SendMoney(scriptPubKey, payAmount, wtx, true);
- if (strError == "")
+ if(!fCreated)
{
- // OK
+ if((total + nFeeRequired) > wallet->GetBalance())
+ {
+ return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
+ }
+ return TransactionCreationFailed;
}
- else if (strError == "ABORTED")
+ if(!ThreadSafeAskFee(nFeeRequired, tr("Sending...").toStdString(), NULL))
{
return Aborted;
}
- else
+ if(!wallet->CommitTransaction(wtx, keyChange))
{
- emit error(tr("Sending..."), QString::fromStdString(strError));
- return MiscError;
+ return TransactionCommitFailed;
}
+ hex = QString::fromStdString(wtx.GetHash().GetHex());
}
// Add addresses that we've sent to to the address book
- std::string strAddress = payTo.toStdString();
- CRITICAL_BLOCK(wallet->cs_mapAddressBook)
+ foreach(const SendCoinsRecipient &rcp, recipients)
{
- if (!wallet->mapAddressBook.count(strAddress))
- wallet->SetAddressBookName(strAddress, addToAddressBookAs.toStdString());
+ std::string strAddress = rcp.address.toStdString();
+ CRITICAL_BLOCK(wallet->cs_mapAddressBook)
+ {
+ if (!wallet->mapAddressBook.count(strAddress))
+ wallet->SetAddressBookName(strAddress, rcp.label.toStdString());
+ }
}
- return OK;
+ // Update our model of the address table
+ addressTableModel->updateList();
+
+ return SendCoinsReturn(OK, 0, hex);
}
OptionsModel *WalletModel::getOptionsModel()