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// Copyright (c) 2011-2014 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "sendcoinsdialog.h"
#include "ui_sendcoinsdialog.h"
#include "addresstablemodel.h"
#include "bitcoinunits.h"
#include "coincontroldialog.h"
#include "guiutil.h"
#include "optionsmodel.h"
#include "sendcoinsentry.h"
#include "walletmodel.h"
#include "base58.h"
#include "coincontrol.h"
#include "ui_interface.h"
#include <QMessageBox>
#include <QScrollBar>
#include <QTextDocument>
SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::SendCoinsDialog),
model(0)
{
ui->setupUi(this);
#ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
ui->addButton->setIcon(QIcon());
ui->clearButton->setIcon(QIcon());
ui->sendButton->setIcon(QIcon());
#endif
GUIUtil::setupAddressWidget(ui->lineEditCoinControlChange, this);
addEntry();
connect(ui->addButton, SIGNAL(clicked()), this, SLOT(addEntry()));
connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(clear()));
// Coin Control
connect(ui->pushButtonCoinControl, SIGNAL(clicked()), this, SLOT(coinControlButtonClicked()));
connect(ui->checkBoxCoinControlChange, SIGNAL(stateChanged(int)), this, SLOT(coinControlChangeChecked(int)));
connect(ui->lineEditCoinControlChange, SIGNAL(textEdited(const QString &)), this, SLOT(coinControlChangeEdited(const QString &)));
// Coin Control: clipboard actions
QAction *clipboardQuantityAction = new QAction(tr("Copy quantity"), this);
QAction *clipboardAmountAction = new QAction(tr("Copy amount"), this);
QAction *clipboardFeeAction = new QAction(tr("Copy fee"), this);
QAction *clipboardAfterFeeAction = new QAction(tr("Copy after fee"), this);
QAction *clipboardBytesAction = new QAction(tr("Copy bytes"), this);
QAction *clipboardPriorityAction = new QAction(tr("Copy priority"), this);
QAction *clipboardLowOutputAction = new QAction(tr("Copy low output"), this);
QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
connect(clipboardQuantityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardQuantity()));
connect(clipboardAmountAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAmount()));
connect(clipboardFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardFee()));
connect(clipboardAfterFeeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardAfterFee()));
connect(clipboardBytesAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardBytes()));
connect(clipboardPriorityAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardPriority()));
connect(clipboardLowOutputAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardLowOutput()));
connect(clipboardChangeAction, SIGNAL(triggered()), this, SLOT(coinControlClipboardChange()));
ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
ui->labelCoinControlAmount->addAction(clipboardAmountAction);
ui->labelCoinControlFee->addAction(clipboardFeeAction);
ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
ui->labelCoinControlBytes->addAction(clipboardBytesAction);
ui->labelCoinControlPriority->addAction(clipboardPriorityAction);
ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
ui->labelCoinControlChange->addAction(clipboardChangeAction);
fNewRecipientAllowed = true;
}
void SendCoinsDialog::setModel(WalletModel *model)
{
this->model = model;
if(model && model->getOptionsModel())
{
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
entry->setModel(model);
}
}
setBalance(model->getBalance(), model->getUnconfirmedBalance(), model->getImmatureBalance());
connect(model, SIGNAL(balanceChanged(qint64, qint64, qint64)), this, SLOT(setBalance(qint64, qint64, qint64)));
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(updateDisplayUnit()));
// Coin Control
connect(model->getOptionsModel(), SIGNAL(displayUnitChanged(int)), this, SLOT(coinControlUpdateLabels()));
connect(model->getOptionsModel(), SIGNAL(coinControlFeaturesChanged(bool)), this, SLOT(coinControlFeatureChanged(bool)));
connect(model->getOptionsModel(), SIGNAL(transactionFeeChanged(qint64)), this, SLOT(coinControlUpdateLabels()));
ui->frameCoinControl->setVisible(model->getOptionsModel()->getCoinControlFeatures());
coinControlUpdateLabels();
}
}
SendCoinsDialog::~SendCoinsDialog()
{
delete ui;
}
void SendCoinsDialog::on_sendButton_clicked()
{
if(!model || !model->getOptionsModel())
return;
QList<SendCoinsRecipient> recipients;
bool valid = true;
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
if(entry->validate())
{
recipients.append(entry->getValue());
}
else
{
valid = false;
}
}
}
if(!valid || recipients.isEmpty())
{
return;
}
// Format confirmation message
QStringList formatted;
foreach(const SendCoinsRecipient &rcp, recipients)
{
// generate bold amount string
QString amount = "<b>" + BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), rcp.amount);
amount.append("</b>");
// generate monospace address string
QString address = "<span style='font-family: monospace;'>" + rcp.address;
address.append("</span>");
QString recipientElement;
if (!rcp.paymentRequest.IsInitialized()) // normal payment
{
if(rcp.label.length() > 0) // label with address
{
recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.label));
recipientElement.append(QString(" (%1)").arg(address));
}
else // just address
{
recipientElement = tr("%1 to %2").arg(amount, address);
}
}
else if(!rcp.authenticatedMerchant.isEmpty()) // secure payment request
{
recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.authenticatedMerchant));
}
else // insecure payment request
{
recipientElement = tr("%1 to %2").arg(amount, address);
}
formatted.append(recipientElement);
}
fNewRecipientAllowed = false;
WalletModel::UnlockContext ctx(model->requestUnlock());
if(!ctx.isValid())
{
// Unlock wallet was cancelled
fNewRecipientAllowed = true;
return;
}
// prepare transaction for getting txFee earlier
WalletModelTransaction currentTransaction(recipients);
WalletModel::SendCoinsReturn prepareStatus;
if (model->getOptionsModel()->getCoinControlFeatures()) // coin control enabled
prepareStatus = model->prepareTransaction(currentTransaction, CoinControlDialog::coinControl);
else
prepareStatus = model->prepareTransaction(currentTransaction);
// process prepareStatus and on error generate message shown to user
processSendCoinsReturn(prepareStatus,
BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), currentTransaction.getTransactionFee()));
if(prepareStatus.status != WalletModel::OK) {
fNewRecipientAllowed = true;
return;
}
qint64 txFee = currentTransaction.getTransactionFee();
QString questionString = tr("Are you sure you want to send?");
questionString.append("<br /><br />%1");
if(txFee > 0)
{
// append fee string if a fee is required
questionString.append("<hr /><span style='color:#aa0000;'>");
questionString.append(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), txFee));
questionString.append("</span> ");
questionString.append(tr("added as transaction fee"));
}
// add total amount in all subdivision units
questionString.append("<hr />");
qint64 totalAmount = currentTransaction.getTotalTransactionAmount() + txFee;
QStringList alternativeUnits;
foreach(BitcoinUnits::Unit u, BitcoinUnits::availableUnits())
{
if(u != model->getOptionsModel()->getDisplayUnit())
alternativeUnits.append(BitcoinUnits::formatWithUnit(u, totalAmount));
}
questionString.append(tr("Total Amount %1 (= %2)")
.arg(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), totalAmount))
.arg(alternativeUnits.join(" " + tr("or") + " ")));
QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm send coins"),
questionString.arg(formatted.join("<br />")),
QMessageBox::Yes | QMessageBox::Cancel,
QMessageBox::Cancel);
if(retval != QMessageBox::Yes)
{
fNewRecipientAllowed = true;
return;
}
// now send the prepared transaction
WalletModel::SendCoinsReturn sendStatus = model->sendCoins(currentTransaction);
// process sendStatus and on error generate message shown to user
processSendCoinsReturn(sendStatus);
if (sendStatus.status == WalletModel::OK)
{
accept();
CoinControlDialog::coinControl->UnSelectAll();
coinControlUpdateLabels();
}
fNewRecipientAllowed = true;
}
void SendCoinsDialog::clear()
{
// Remove entries until only one left
while(ui->entries->count())
{
ui->entries->takeAt(0)->widget()->deleteLater();
}
addEntry();
updateTabsAndLabels();
}
void SendCoinsDialog::reject()
{
clear();
}
void SendCoinsDialog::accept()
{
clear();
}
SendCoinsEntry *SendCoinsDialog::addEntry()
{
SendCoinsEntry *entry = new SendCoinsEntry(this);
entry->setModel(model);
ui->entries->addWidget(entry);
connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
connect(entry, SIGNAL(payAmountChanged()), this, SLOT(coinControlUpdateLabels()));
updateTabsAndLabels();
// Focus the field, so that entry can start immediately
entry->clear();
entry->setFocus();
ui->scrollAreaWidgetContents->resize(ui->scrollAreaWidgetContents->sizeHint());
qApp->processEvents();
QScrollBar* bar = ui->scrollArea->verticalScrollBar();
if(bar)
bar->setSliderPosition(bar->maximum());
return entry;
}
void SendCoinsDialog::updateTabsAndLabels()
{
setupTabChain(0);
coinControlUpdateLabels();
}
void SendCoinsDialog::removeEntry(SendCoinsEntry* entry)
{
entry->hide();
// If the last entry is about to be removed add an empty one
if (ui->entries->count() == 1)
addEntry();
entry->deleteLater();
updateTabsAndLabels();
}
QWidget *SendCoinsDialog::setupTabChain(QWidget *prev)
{
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
prev = entry->setupTabChain(prev);
}
}
QWidget::setTabOrder(prev, ui->sendButton);
QWidget::setTabOrder(ui->sendButton, ui->clearButton);
QWidget::setTabOrder(ui->clearButton, ui->addButton);
return ui->addButton;
}
void SendCoinsDialog::setAddress(const QString &address)
{
SendCoinsEntry *entry = 0;
// Replace the first entry if it is still unused
if(ui->entries->count() == 1)
{
SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
if(first->isClear())
{
entry = first;
}
}
if(!entry)
{
entry = addEntry();
}
entry->setAddress(address);
}
void SendCoinsDialog::pasteEntry(const SendCoinsRecipient &rv)
{
if(!fNewRecipientAllowed)
return;
SendCoinsEntry *entry = 0;
// Replace the first entry if it is still unused
if(ui->entries->count() == 1)
{
SendCoinsEntry *first = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(0)->widget());
if(first->isClear())
{
entry = first;
}
}
if(!entry)
{
entry = addEntry();
}
entry->setValue(rv);
updateTabsAndLabels();
}
bool SendCoinsDialog::handlePaymentRequest(const SendCoinsRecipient &rv)
{
QString strSendCoins = tr("Send Coins");
if (rv.paymentRequest.IsInitialized()) {
// Expired payment request?
const payments::PaymentDetails& details = rv.paymentRequest.getDetails();
if (details.has_expires() && (int64_t)details.expires() < GetTime())
{
emit message(strSendCoins, tr("Payment request expired"),
CClientUIInterface::MSG_WARNING);
return false;
}
}
else {
CBitcoinAddress address(rv.address.toStdString());
if (!address.IsValid()) {
emit message(strSendCoins, tr("Invalid payment address %1").arg(rv.address),
CClientUIInterface::MSG_WARNING);
return false;
}
}
pasteEntry(rv);
return true;
}
void SendCoinsDialog::setBalance(qint64 balance, qint64 unconfirmedBalance, qint64 immatureBalance)
{
Q_UNUSED(unconfirmedBalance);
Q_UNUSED(immatureBalance);
if(model && model->getOptionsModel())
{
ui->labelBalance->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), balance));
}
}
void SendCoinsDialog::updateDisplayUnit()
{
setBalance(model->getBalance(), 0, 0);
}
void SendCoinsDialog::processSendCoinsReturn(const WalletModel::SendCoinsReturn &sendCoinsReturn, const QString &msgArg)
{
QPair<QString, CClientUIInterface::MessageBoxFlags> msgParams;
// Default to a warning message, override if error message is needed
msgParams.second = CClientUIInterface::MSG_WARNING;
// This comment is specific to SendCoinsDialog usage of WalletModel::SendCoinsReturn.
// WalletModel::TransactionCommitFailed is used only in WalletModel::sendCoins()
// all others are used only in WalletModel::prepareTransaction()
switch(sendCoinsReturn.status)
{
case WalletModel::InvalidAddress:
msgParams.first = tr("The recipient address is not valid, please recheck.");
break;
case WalletModel::InvalidAmount:
msgParams.first = tr("The amount to pay must be larger than 0.");
break;
case WalletModel::AmountExceedsBalance:
msgParams.first = tr("The amount exceeds your balance.");
break;
case WalletModel::AmountWithFeeExceedsBalance:
msgParams.first = tr("The total exceeds your balance when the %1 transaction fee is included.").arg(msgArg);
break;
case WalletModel::DuplicateAddress:
msgParams.first = tr("Duplicate address found, can only send to each address once per send operation.");
break;
case WalletModel::TransactionCreationFailed:
msgParams.first = tr("Transaction creation failed!");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
case WalletModel::TransactionCommitFailed:
msgParams.first = tr("The transaction was rejected! This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
// included to prevent a compiler warning.
case WalletModel::OK:
default:
return;
}
emit message(tr("Send Coins"), msgParams.first, msgParams.second);
}
// Coin Control: copy label "Quantity" to clipboard
void SendCoinsDialog::coinControlClipboardQuantity()
{
GUIUtil::setClipboard(ui->labelCoinControlQuantity->text());
}
// Coin Control: copy label "Amount" to clipboard
void SendCoinsDialog::coinControlClipboardAmount()
{
GUIUtil::setClipboard(ui->labelCoinControlAmount->text().left(ui->labelCoinControlAmount->text().indexOf(" ")));
}
// Coin Control: copy label "Fee" to clipboard
void SendCoinsDialog::coinControlClipboardFee()
{
GUIUtil::setClipboard(ui->labelCoinControlFee->text().left(ui->labelCoinControlFee->text().indexOf(" ")));
}
// Coin Control: copy label "After fee" to clipboard
void SendCoinsDialog::coinControlClipboardAfterFee()
{
GUIUtil::setClipboard(ui->labelCoinControlAfterFee->text().left(ui->labelCoinControlAfterFee->text().indexOf(" ")));
}
// Coin Control: copy label "Bytes" to clipboard
void SendCoinsDialog::coinControlClipboardBytes()
{
GUIUtil::setClipboard(ui->labelCoinControlBytes->text());
}
// Coin Control: copy label "Priority" to clipboard
void SendCoinsDialog::coinControlClipboardPriority()
{
GUIUtil::setClipboard(ui->labelCoinControlPriority->text());
}
// Coin Control: copy label "Low output" to clipboard
void SendCoinsDialog::coinControlClipboardLowOutput()
{
GUIUtil::setClipboard(ui->labelCoinControlLowOutput->text());
}
// Coin Control: copy label "Change" to clipboard
void SendCoinsDialog::coinControlClipboardChange()
{
GUIUtil::setClipboard(ui->labelCoinControlChange->text().left(ui->labelCoinControlChange->text().indexOf(" ")));
}
// Coin Control: settings menu - coin control enabled/disabled by user
void SendCoinsDialog::coinControlFeatureChanged(bool checked)
{
ui->frameCoinControl->setVisible(checked);
if (!checked && model) // coin control features disabled
CoinControlDialog::coinControl->SetNull();
if (checked)
coinControlUpdateLabels();
}
// Coin Control: button inputs -> show actual coin control dialog
void SendCoinsDialog::coinControlButtonClicked()
{
CoinControlDialog dlg;
dlg.setModel(model);
dlg.exec();
coinControlUpdateLabels();
}
// Coin Control: checkbox custom change address
void SendCoinsDialog::coinControlChangeChecked(int state)
{
if (state == Qt::Unchecked)
{
CoinControlDialog::coinControl->destChange = CNoDestination();
ui->labelCoinControlChangeLabel->clear();
}
else
// use this to re-validate an already entered address
coinControlChangeEdited(ui->lineEditCoinControlChange->text());
ui->lineEditCoinControlChange->setEnabled((state == Qt::Checked));
}
// Coin Control: custom change address changed
void SendCoinsDialog::coinControlChangeEdited(const QString& text)
{
if (model && model->getAddressTableModel())
{
// Default to no change address until verified
CoinControlDialog::coinControl->destChange = CNoDestination();
ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:red;}");
CBitcoinAddress addr = CBitcoinAddress(text.toStdString());
if (text.isEmpty()) // Nothing entered
{
ui->labelCoinControlChangeLabel->setText("");
}
else if (!addr.IsValid()) // Invalid address
{
ui->labelCoinControlChangeLabel->setText(tr("Warning: Invalid Bitcoin address"));
}
else // Valid address
{
CPubKey pubkey;
CKeyID keyid;
addr.GetKeyID(keyid);
if (!model->getPubKey(keyid, pubkey)) // Unknown change address
{
ui->labelCoinControlChangeLabel->setText(tr("Warning: Unknown change address"));
}
else // Known change address
{
ui->labelCoinControlChangeLabel->setStyleSheet("QLabel{color:black;}");
// Query label
QString associatedLabel = model->getAddressTableModel()->labelForAddress(text);
if (!associatedLabel.isEmpty())
ui->labelCoinControlChangeLabel->setText(associatedLabel);
else
ui->labelCoinControlChangeLabel->setText(tr("(no label)"));
CoinControlDialog::coinControl->destChange = addr.Get();
}
}
}
}
// Coin Control: update labels
void SendCoinsDialog::coinControlUpdateLabels()
{
if (!model || !model->getOptionsModel() || !model->getOptionsModel()->getCoinControlFeatures())
return;
// set pay amounts
CoinControlDialog::payAmounts.clear();
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
CoinControlDialog::payAmounts.append(entry->getValue().amount);
}
if (CoinControlDialog::coinControl->HasSelected())
{
// actual coin control calculation
CoinControlDialog::updateLabels(model, this);
// show coin control stats
ui->labelCoinControlAutomaticallySelected->hide();
ui->widgetCoinControl->show();
}
else
{
// hide coin control stats
ui->labelCoinControlAutomaticallySelected->show();
ui->widgetCoinControl->hide();
ui->labelCoinControlInsuffFunds->hide();
}
}