void SendCoinsDialog::updateSmartFeeLabel()
{
if(!model || !model->getOptionsModel())
return;
CCoinControl coin_control;
updateCoinControlState(coin_control);
coin_control.m_feerate.reset(); // Explicitly use only fee estimation rate for smart fee labels
FeeCalculation feeCalc;
CFeeRate feeRate = CFeeRate(GetMinimumFee(1000, coin_control, ::mempool, ::feeEstimator, &feeCalc));
ui->labelSmartFee->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), feeRate.GetFeePerK()) + "/kB");
if (feeCalc.reason == FeeReason::FALLBACK) {
ui->labelSmartFee2->show(); // (Smart fee not initialized yet. This usually takes a few blocks...)
ui->labelFeeEstimation->setText("");
ui->fallbackFeeWarningLabel->setVisible(true);
int lightness = ui->fallbackFeeWarningLabel->palette().color(QPalette::WindowText).lightness();
QColor warning_colour(255 - (lightness / 5), 176 - (lightness / 3), 48 - (lightness / 14));
ui->fallbackFeeWarningLabel->setStyleSheet("QLabel { color: " + warning_colour.name() + "; }");
ui->fallbackFeeWarningLabel->setIndent(QFontMetrics(ui->fallbackFeeWarningLabel->font()).width("x"));
}
else
{
ui->labelSmartFee2->hide();
ui->labelFeeEstimation->setText(tr("Estimated to begin confirmation within %n block(s).", "", feeCalc.returnedTarget));
ui->fallbackFeeWarningLabel->setVisible(false);
}
updateFeeMinimizedLabel();
}
// Coin Control: update labels
void SendCoinsDialog::coinControlUpdateLabels()
{
if (!model || !model->getOptionsModel())
return;
updateCoinControlState(*CoinControlDialog::coinControl());
// set pay amounts
CoinControlDialog::payAmounts.clear();
CoinControlDialog::fSubtractFeeFromAmount = false;
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry && !entry->isHidden())
{
SendCoinsRecipient rcp = entry->getValue();
CoinControlDialog::payAmounts.append(rcp.amount);
if (rcp.fSubtractFeeFromAmount)
CoinControlDialog::fSubtractFeeFromAmount = true;
}
}
ui->checkUseCoinJoin->setChecked(CoinControlDialog::coinControl()->fUseCoinJoin);
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();
}
}
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;
}
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;
// Always use a CCoinControl instance, use the CoinControlDialog instance if CoinControl has been enabled
CCoinControl ctrl;
if (model->getOptionsModel()->getCoinControlFeatures())
ctrl = *CoinControlDialog::coinControl();
updateCoinControlState(ctrl);
prepareStatus = model->prepareTransaction(currentTransaction, ctrl);
// 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;
}
CAmount txFee = currentTransaction.getTransactionFee();
// Format confirmation message
QStringList formatted;
for (const SendCoinsRecipient &rcp : currentTransaction.getRecipients())
{
// generate bold amount string with wallet name in case of multiwallet
QString amount = "<b>" + BitcoinUnits::formatHtmlWithUnit(model->getOptionsModel()->getDisplayUnit(), rcp.amount);
if (model->isMultiwallet()) {
amount.append(" <u>"+tr("from wallet %1").arg(GUIUtil::HtmlEscape(model->getWalletName()))+"</u> ");
}
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()) // authenticated payment request
{
recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.authenticatedMerchant));
}
else // unauthenticated payment request
{
recipientElement = tr("%1 to %2").arg(amount, address);
}
formatted.append(recipientElement);
}
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::formatHtmlWithUnit(model->getOptionsModel()->getDisplayUnit(), txFee));
questionString.append("</span> ");
questionString.append(tr("added as transaction fee"));
// append transaction size
questionString.append(" (" + QString::number((double)currentTransaction.getTransactionSize() / 1000) + " kB)");
}
// add total amount in all subdivision units
questionString.append("<hr />");
CAmount totalAmount = currentTransaction.getTotalTransactionAmount() + txFee;
QStringList alternativeUnits;
for (BitcoinUnits::Unit u : BitcoinUnits::availableUnits())
{
if(u != model->getOptionsModel()->getDisplayUnit())
alternativeUnits.append(BitcoinUnits::formatHtmlWithUnit(u, totalAmount));
}
questionString.append(tr("Total Amount %1")
.arg(BitcoinUnits::formatHtmlWithUnit(model->getOptionsModel()->getDisplayUnit(), totalAmount)));
questionString.append(QString("<span style='font-size:10pt;font-weight:normal;'><br />(=%1)</span>")
.arg(alternativeUnits.join(" " + tr("or") + "<br />")));
questionString.append("<hr /><span>");
if (ui->optInRBF->isChecked()) {
questionString.append(tr("You can increase the fee later (signals Replace-By-Fee, BIP-125)."));
} else {
questionString.append(tr("Not signalling Replace-By-Fee, BIP-125."));
}
questionString.append("</span>");
SendConfirmationDialog confirmationDialog(tr("Confirm send coins"),
questionString.arg(formatted.join("<br />")), SEND_CONFIRM_DELAY, this);
confirmationDialog.exec();
QMessageBox::StandardButton retval = static_cast<QMessageBox::StandardButton>(confirmationDialog.result());
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();
Q_EMIT coinsSent(currentTransaction.getTransaction()->GetHash());
}
fNewRecipientAllowed = true;
}