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sendcoinsdialog.cpp
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// Copyright (c) 2011-2016 The Bitcoin Core developers
// Distributed under the MIT 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 "clientmodel.h"
#include "coincontroldialog.h"
#include "guiutil.h"
#include "lelantusmodel.h"
#include "optionsmodel.h"
#include "platformstyle.h"
#include "sendcoinsentry.h"
#include "walletmodel.h"
#include "base58.h"
#include "chainparams.h"
#include "lelantus.h"
#include "wallet/coincontrol.h"
#include "validation.h" // mempool and minRelayTxFee
#include "ui_interface.h"
#include "txmempool.h"
#include "wallet/wallet.h"
#include "sendtopcodedialog.h"
#include "pcodemodel.h"
#include "overviewpage.h"
#include <QFontMetrics>
#include <QMessageBox>
#include <QScrollBar>
#include <QSettings>
#include <QTextDocument>
#include <QTimer>
#define SEND_CONFIRM_DELAY 3
SendCoinsDialog::SendCoinsDialog(const PlatformStyle *_platformStyle, QWidget *parent) :
QDialog(parent),
ui(new Ui::SendCoinsDialog),
clientModel(0),
model(0),
fNewRecipientAllowed(true),
fFeeMinimized(true),
fAnonymousMode(true),
platformStyle(_platformStyle)
{
ui->setupUi(this);
if (!_platformStyle->getImagesOnButtons()) {
ui->addButton->setIcon(QIcon());
ui->clearButton->setIcon(QIcon());
ui->sendButton->setIcon(QIcon());
} else {
ui->addButton->setIcon(_platformStyle->SingleColorIcon(":/icons/add"));
ui->clearButton->setIcon(_platformStyle->SingleColorIcon(":/icons/remove"));
ui->sendButton->setIcon(_platformStyle->SingleColorIcon(":/icons/send"));
}
GUIUtil::setupAddressWidget(ui->lineEditCoinControlChange, this);
addEntry();
connect(ui->addButton, &QPushButton::clicked, this, &SendCoinsDialog::addEntry);
connect(ui->clearButton, &QPushButton::clicked, this, &SendCoinsDialog::clear);
// Coin Control
connect(ui->pushButtonCoinControl, &QPushButton::clicked, this, &SendCoinsDialog::coinControlButtonClicked);
connect(ui->checkBoxCoinControlChange, &QCheckBox::stateChanged, this, &SendCoinsDialog::coinControlChangeChecked);
connect(ui->lineEditCoinControlChange, &QValidatedLineEdit::textEdited, this, &SendCoinsDialog::coinControlChangeEdited);
// 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 *clipboardLowOutputAction = new QAction(tr("Copy dust"), this);
QAction *clipboardChangeAction = new QAction(tr("Copy change"), this);
connect(clipboardQuantityAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardQuantity);
connect(clipboardAmountAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardAmount);
connect(clipboardFeeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardFee);
connect(clipboardAfterFeeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardAfterFee);
connect(clipboardBytesAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardBytes);
connect(clipboardLowOutputAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardLowOutput);
connect(clipboardChangeAction, &QAction::triggered, this, &SendCoinsDialog::coinControlClipboardChange);
ui->labelCoinControlQuantity->addAction(clipboardQuantityAction);
ui->labelCoinControlAmount->addAction(clipboardAmountAction);
ui->labelCoinControlFee->addAction(clipboardFeeAction);
ui->labelCoinControlAfterFee->addAction(clipboardAfterFeeAction);
ui->labelCoinControlBytes->addAction(clipboardBytesAction);
ui->labelCoinControlLowOutput->addAction(clipboardLowOutputAction);
ui->labelCoinControlChange->addAction(clipboardChangeAction);
ui->frameCoinControl->setAutoFillBackground(true);
ui->scrollArea->setAutoFillBackground(true);
ui->frameFee->setAutoFillBackground(true);
{
auto allowed = lelantus::IsLelantusAllowed() || spark::IsSparkAllowed();
setAnonymizeMode(allowed);
if (!allowed) {
ui->switchFundButton->setEnabled(false);
}
}
// init transaction fee section
QSettings settings;
if (!settings.contains("fFeeSectionMinimized"))
settings.setValue("fFeeSectionMinimized", true);
if (!settings.contains("nFeeRadio") && settings.contains("nTransactionFee") && settings.value("nTransactionFee").toLongLong() > 0) // compatibility
settings.setValue("nFeeRadio", 1); // custom
if (!settings.contains("nFeeRadio"))
settings.setValue("nFeeRadio", 0); // recommended
if (!settings.contains("nCustomFeeRadio") && settings.contains("nTransactionFee") && settings.value("nTransactionFee").toLongLong() > 0) // compatibility
settings.setValue("nCustomFeeRadio", 1); // total at least
if (!settings.contains("nCustomFeeRadio"))
settings.setValue("nCustomFeeRadio", 0); // per kilobyte
if (!settings.contains("nTransactionFee"))
settings.setValue("nTransactionFee", (qint64)DEFAULT_TRANSACTION_FEE);
if (!settings.contains("fPayOnlyMinFee"))
settings.setValue("fPayOnlyMinFee", false);
ui->groupFee->setId(ui->radioSmartFee, 0);
ui->groupFee->setId(ui->radioCustomFee, 1);
ui->groupFee->button((int)std::max(0, std::min(1, settings.value("nFeeRadio").toInt())))->setChecked(true);
ui->groupCustomFee->setId(ui->radioCustomPerKilobyte, 0);
ui->groupCustomFee->setId(ui->radioCustomAtLeast, 1);
ui->groupCustomFee->button((int)std::max(0, std::min(1, settings.value("nCustomFeeRadio").toInt())))->setChecked(true);
ui->customFee->setValue(settings.value("nTransactionFee").toLongLong());
ui->checkBoxMinimumFee->setChecked(settings.value("fPayOnlyMinFee").toBool());
minimizeFeeSection(settings.value("fFeeSectionMinimized").toBool());
}
void SendCoinsDialog::setClientModel(ClientModel *_clientModel)
{
this->clientModel = _clientModel;
if (_clientModel)
{
connect(_clientModel, &ClientModel::numBlocksChanged, this, &SendCoinsDialog::updateSmartFeeLabel);
connect(_clientModel, &ClientModel::numBlocksChanged, this, &SendCoinsDialog::updateBlocks);
}
}
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);
}
}
auto privateBalance = _model->getLelantusModel()->getPrivateBalance();
std::pair<CAmount, CAmount> sparkBalance = _model->getSparkBalance();
privateBalance = spark::IsSparkAllowed() ? sparkBalance : privateBalance;
if (model->getWallet()) {
auto allowed = lelantus::IsLelantusAllowed() || (spark::IsSparkAllowed() && model->getWallet()->sparkWallet);
setAnonymizeMode(allowed);
if (!allowed) {
ui->switchFundButton->setEnabled(false);
}
}
setBalance(
_model->getBalance(), _model->getUnconfirmedBalance(), _model->getImmatureBalance(),
_model->getWatchBalance(), _model->getWatchUnconfirmedBalance(), _model->getWatchImmatureBalance(),
privateBalance.first, privateBalance.second, _model->getAnonymizableBalance());
connect(_model, &WalletModel::balanceChanged, this, &SendCoinsDialog::setBalance);
connect(_model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &SendCoinsDialog::updateDisplayUnit);
updateDisplayUnit();
// Coin Control
connect(_model->getOptionsModel(), &OptionsModel::displayUnitChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
connect(_model->getOptionsModel(), &OptionsModel::coinControlFeaturesChanged, this, &SendCoinsDialog::coinControlFeatureChanged);
ui->frameCoinControl->setVisible(_model->getOptionsModel()->getCoinControlFeatures());
coinControlUpdateLabels();
// fee section
connect(ui->sliderSmartFee, &QSlider::valueChanged, this, &SendCoinsDialog::updateSmartFeeLabel);
connect(ui->sliderSmartFee, &QSlider::valueChanged, this, &SendCoinsDialog::updateGlobalFeeVariables);
connect(ui->sliderSmartFee, &QSlider::valueChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
connect(ui->groupFee, qOverload<int>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::updateFeeSectionControls);
connect(ui->groupFee, qOverload<int>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::updateGlobalFeeVariables);
connect(ui->groupFee, qOverload<int>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::coinControlUpdateLabels);
connect(ui->groupCustomFee, qOverload<int>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::updateGlobalFeeVariables);
connect(ui->groupCustomFee, qOverload<int>(&QButtonGroup::buttonClicked), this, &SendCoinsDialog::coinControlUpdateLabels);
connect(ui->customFee, &BitcoinAmountField::valueChanged, this, &SendCoinsDialog::updateGlobalFeeVariables);
connect(ui->customFee, &BitcoinAmountField::valueChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
connect(ui->checkBoxMinimumFee, &QCheckBox::stateChanged, this, &SendCoinsDialog::setMinimumFee);
connect(ui->checkBoxMinimumFee, &QCheckBox::stateChanged, this, &SendCoinsDialog::updateFeeSectionControls);
connect(ui->checkBoxMinimumFee, &QCheckBox::stateChanged, this, &SendCoinsDialog::updateGlobalFeeVariables);
connect(ui->checkBoxMinimumFee, &QCheckBox::stateChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
ui->customFee->setSingleStep(CWallet::GetRequiredFee(1000));
updateFeeSectionControls();
updateMinFeeLabel();
updateSmartFeeLabel();
updateGlobalFeeVariables();
// set the smartfee-sliders default value (wallets default conf.target or last stored value)
QSettings settings;
if (settings.value("nSmartFeeSliderPosition").toInt() == 0)
ui->sliderSmartFee->setValue(ui->sliderSmartFee->maximum() - model->getDefaultConfirmTarget() + 2);
else
ui->sliderSmartFee->setValue(settings.value("nSmartFeeSliderPosition").toInt());
}
}
SendCoinsDialog::~SendCoinsDialog()
{
QSettings settings;
settings.setValue("fFeeSectionMinimized", fFeeMinimized);
settings.setValue("nFeeRadio", true);
settings.setValue("nCustomFeeRadio", ui->groupCustomFee->checkedId());
settings.setValue("nSmartFeeSliderPosition", ui->sliderSmartFee->value());
settings.setValue("nTransactionFee", (qint64)ui->customFee->value());
settings.setValue("fPayOnlyMinFee", ui->checkBoxMinimumFee->isChecked());
delete ui;
}
void SendCoinsDialog::on_sendButton_clicked()
{
updateGlobalFeeVariables();
if(!model || !model->getOptionsModel())
return;
QList<SendCoinsRecipient> recipients;
bool valid = true;
using UnlockContext = WalletModel::UnlockContext;
std::unique_ptr<UnlockContext> ctx;
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry)
{
if(entry->validate())
{
SendCoinsRecipient recipient = entry->getValue();
if(entry->isPayToPcode()) {
if (!model->getPcodeModel()) return;
std::unique_ptr<SendtoPcodeDialog> dialog(new SendtoPcodeDialog(this, recipient.address.toStdString(), recipient.label.toStdString()));
dialog->setModel(model);
dialog->exec();
std::pair<SendtoPcodeDialog::Result, CBitcoinAddress> const sendResult = dialog->getResult();
switch (sendResult.first) {
case SendtoPcodeDialog::Result::addressSelected:
recipient.address = sendResult.second.ToString().c_str();
break;
default:
return;
}
ctx = dialog->getUnlockContext();
}
recipients.append(recipient);
}
else
{
valid = false;
}
}
}
if(!valid || recipients.isEmpty())
{
return;
}
fNewRecipientAllowed = false;
if(!ctx)
{
ctx = std::unique_ptr<UnlockContext>(new UnlockContext(model->requestUnlock()));
}
if(!ctx->isValid())
{
// Unlock wallet was cancelled
fNewRecipientAllowed = true;
return;
}
// prepare transaction for getting txFee earlier
std::vector<WalletModelTransaction> transactions;
WalletModel::SendCoinsReturn prepareStatus;
std::vector<std::pair<CWalletTx, CAmount>> wtxAndFees;
std::list<CReserveKey> reservekeys;
// Always use a CCoinControl instance, use the CoinControlDialog instance if CoinControl has been enabled
CCoinControl ctrl;
if (model->getOptionsModel()->getCoinControlFeatures()) {
ctrl = *CoinControlDialog::coinControl;
removeUnmatchedOutput(ctrl);
}
if (ui->radioSmartFee->isChecked())
ctrl.nConfirmTarget = ui->sliderSmartFee->maximum() - ui->sliderSmartFee->value() + 2;
else
ctrl.nConfirmTarget = 0;
int sparkAddressCount = 0;
int exchangeAddressCount = 0;
for(int i = 0; i < recipients.size(); ++i){
if (model->validateSparkAddress(recipients[i].address))
sparkAddressCount++;
if (model->validateExchangeAddress(recipients[i].address))
exchangeAddressCount++;
}
bool fGoThroughTransparentAddress = false;
__decltype(recipients) exchangeRecipients;
CScript intermediateAddressScript;
CAmount extraFee = 0;
if (fAnonymousMode && exchangeAddressCount > 0) {
CAmount exchangeAddressAmount = 0;
// if the transaction is performed in two stages through the intermediate address we need to calculate the size of the second transaction
uint32_t secondTxSize = 8 /*CTransaction: nVersion, nLockTime*/ + 1 /*vinSize*/ + 148 /*vin[0]*/ + 20 /*safety*/ + 1 /*voutSize*/;
fGoThroughTransparentAddress = true;
// remove exchange addresses from recipients array and add them to exchangeRecipients array
for(int i = 0; i < recipients.size(); ){
if (model->validateExchangeAddress(recipients[i].address)) {
exchangeAddressAmount += recipients[i].amount;
// we use different fee calculation system and therefore can't reliably do the calculation
// of fee for the second transaction if some of recipients have this flag set
recipients[i].fSubtractFeeFromAmount = false;
exchangeRecipients.push_back(recipients[i]);
secondTxSize += 8 /*amount*/ + 1 /*scriptSize*/ + 26 /*scriptPubKey*/;
recipients.erase(recipients.begin() + i);
}
else {
++i;
}
}
LOCK2(cs_main, pwalletMain->cs_wallet);
// create a new transparent address and add it to the recipients array
if (!pwalletMain->IsLocked()) {
pwalletMain->TopUpKeyPool();
}
CPubKey newKey;
if (!pwalletMain->GetKeyFromPool(newKey)) {
fNewRecipientAllowed = true;
return;
}
pwalletMain->SetAddressBook(newKey.GetID(), "", "receive");
intermediateAddressScript = GetScriptForDestination(newKey.GetID());
extraFee = CWallet::GetMinimumFee(secondTxSize, nTxConfirmTarget, mempool);
SendCoinsRecipient newRecipient;
newRecipient.address = CBitcoinAddress(newKey.GetID()).ToString().c_str();
newRecipient.amount = exchangeAddressAmount + extraFee;
newRecipient.fSubtractFeeFromAmount = false;
recipients.push_back(newRecipient);
}
WalletModelTransaction currentTransaction(recipients);
CAmount mintSparkAmount = 0;
CAmount txFee = 0;
CAmount totalAmount = 0;
if (model->getLelantusModel()->getPrivateBalance().first > 0 && spark::IsSparkAllowed() && chainActive.Height() < ::Params().GetConsensus().nLelantusGracefulPeriod) {
MigrateLelantusToSparkDialog migrateLelantusToSpark(model);
bool clickedButton = migrateLelantusToSpark.getClickedButton();
if(!clickedButton) {
fNewRecipientAllowed = true;
return;
}
}
if ((fAnonymousMode == true) && !spark::IsSparkAllowed()) {
prepareStatus = model->prepareJoinSplitTransaction(currentTransaction, &ctrl);
} else if ((fAnonymousMode == true) && spark::IsSparkAllowed()) {
prepareStatus = model->prepareSpendSparkTransaction(currentTransaction, &ctrl);
} else if ((fAnonymousMode == false) && (recipients.size() == sparkAddressCount)) {
if (spark::IsSparkAllowed())
prepareStatus = model->prepareMintSparkTransaction(transactions, recipients, wtxAndFees, reservekeys, &ctrl);
else {
processSendCoinsReturn(WalletModel::InvalidAddress);
return;
}
} else if ((fAnonymousMode == false) && (sparkAddressCount == 0)) {
prepareStatus = model->prepareTransaction(currentTransaction, &ctrl);
} else {
fNewRecipientAllowed = true;
return;
}
// 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;
}
// If the transaction is performed in two stages through the intermediate address we need to show the real
// recipients (for informational purposes), replacing the intermediate transparent address with the exchange address(es)
__decltype(recipients) realRecipients = recipients;
if (fGoThroughTransparentAddress) {
realRecipients.erase(realRecipients.end() - 1);
realRecipients.append(exchangeRecipients);
}
// Format confirmation message
QStringList formatted;
QString warningMessage;
for(int i = 0; i < recipients.size(); ++i) {
warningMessage = entry->generateWarningText(recipients[i].address, fAnonymousMode);
if ((model->validateSparkAddress(recipients[i].address)) || (recipients[i].address.startsWith("EX"))) {
break;
}
}
if ((fAnonymousMode == false) && (recipients.size() == sparkAddressCount) && spark::IsSparkAllowed())
{
for(int i = 0; i < recipients.size(); i++) {
recipients[i].amount = 0;
}
for (auto &transaction : transactions)
{
for (auto &rcp : transaction.getRecipients())
{
for(int i = 0; i < recipients.size(); i++) {
if( recipients[i].address == rcp.address) {
recipients[i].amount += rcp.amount;
}
}
}
}
for (auto &rcp : recipients)
{
// generate bold amount string
QString amount = "<b>" + BitcoinUnits::formatHtmlWithUnit(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.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);
}
}
formatted.append(recipientElement);
}
} else if ((fAnonymousMode == true) && (recipients.size() == 1) && spark::IsSparkAllowed()) {
for (auto &rcp : realRecipients)
{
// generate bold amount string
CAmount namount = rcp.amount;
if(rcp.fSubtractFeeFromAmount) {
namount = rcp.amount - currentTransaction.getTransactionFee();
}
QString amount = "<b>" + BitcoinUnits::formatHtmlWithUnit(model->getOptionsModel()->getDisplayUnit(), namount);
amount.append("</b>");
// generate monospace address string
QString address = "<span style='font-family: monospace;'>" + rcp.address;
address.append("</span>");
QString recipientElement;
{
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);
}
}
formatted.append(recipientElement);
}
} else {
for (auto &rcp : realRecipients)
{
// generate bold amount string
QString amount = "<b>" + BitcoinUnits::formatHtmlWithUnit(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.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);
}
}
formatted.append(recipientElement);
}
}
if (fGoThroughTransparentAddress) {
QString transparentAddress = "<span style='font-family: monospace;'>" + recipients[recipients.size()-1].address + "</span>";
formatted.append("<br />");
formatted.append(tr("EX-addresses can only receive FIRO from transparent addresses.<br /><br />"
"Your FIRO will go from Spark to a newly generated transparent address %1 and then immediately be sent to the EX-address.").arg(transparentAddress));
}
QString questionString = tr("Are you sure you want to send?");
questionString.append(warningMessage);
questionString.append("<br /><br />%1");
double txSize;
if ((fAnonymousMode == false) && (recipients.size() == sparkAddressCount) && spark::IsSparkAllowed())
{
for (auto &transaction : transactions) {
txFee += transaction.getTransactionFee();
mintSparkAmount += transaction.getTotalTransactionAmount();
txSize += (double)transaction.getTransactionSize();
}
} else {
txFee = currentTransaction.getTransactionFee();
txSize = (double)currentTransaction.getTransactionSize();
}
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(txSize / 1000) + " kB)");
if (fGoThroughTransparentAddress) {
QString feeString;
feeString.append("<span style='color:#aa0000;'>");
feeString.append(BitcoinUnits::formatHtmlWithUnit(model->getOptionsModel()->getDisplayUnit(), extraFee));
feeString.append("</span>");
questionString.append(tr(". An additional transaction fee of %1 will apply to complete the send from the transparent address to the EX-address.").arg(feeString));
}
}
// add total amount in all subdivision units
questionString.append("<hr />");
if ((fAnonymousMode == false) && (recipients.size() == sparkAddressCount) && spark::IsSparkAllowed())
{
totalAmount = mintSparkAmount + txFee;
} else if ((fAnonymousMode == true) && (recipients.size() == 1) && spark::IsSparkAllowed()) {
if(recipients[0].fSubtractFeeFromAmount) {
totalAmount = recipients[0].amount;
} else {
totalAmount = recipients[0].amount + currentTransaction.getTransactionFee();
}
} else {
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 />(=%2)</span>")
.arg(alternativeUnits.join(" " + tr("or") + "<br />")));
SendConfirmationDialog confirmationDialog(tr("Confirm send coins"),
questionString.arg(formatted.join("<br />")), SEND_CONFIRM_DELAY, this);
confirmationDialog.exec();
QMessageBox::StandardButton retval = (QMessageBox::StandardButton)confirmationDialog.result();
if(retval != QMessageBox::Yes)
{
fNewRecipientAllowed = true;
return;
}
// now send the prepared transaction
WalletModel::SendCoinsReturn sendStatus;
if ((fAnonymousMode == true) && !spark::IsSparkAllowed()) {
sendStatus = model->sendPrivateCoins(currentTransaction);
} else if ((fAnonymousMode == true) && spark::IsSparkAllowed()) {
sendStatus = model->spendSparkCoins(currentTransaction);
} else if ((fAnonymousMode == false) && (sparkAddressCount == recipients.size()) && spark::IsSparkAllowed()) {
sendStatus = model->mintSparkCoins(transactions, wtxAndFees, reservekeys);
} else if ((fAnonymousMode == false) && (sparkAddressCount == 0)) {
sendStatus = model->sendCoins(currentTransaction);
} else {
return;
}
// process sendStatus and on error generate message shown to user
processSendCoinsReturn(sendStatus);
if (sendStatus.status == WalletModel::OK)
{
for(int i = 0; i < ui->entries->count(); ++i)
{
SendCoinsEntry *entry = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
if(entry && entry->isPayToPcode())
{
SendCoinsRecipient recipient = entry->getValue();
model->getPcodeModel()->generateTheirNextAddress(recipient.address.toStdString());
}
}
accept();
CoinControlDialog::coinControl->UnSelectAll();
coinControlUpdateLabels();
}
// Launch the second stage of the transaction if needed
if (fGoThroughTransparentAddress) {
// prepare the coin control so the transaction will use (by default) only the transparent address
// created in the first stage
COutPoint outpoint;
outpoint.hash = currentTransaction.getTransaction()->GetHash();
outpoint.n = UINT_MAX;
const auto &vout = currentTransaction.getTransaction()->tx->vout;
for (size_t i = 0; i < vout.size(); i++) {
if (vout[i].scriptPubKey == intermediateAddressScript) {
outpoint.n = i;
break;
}
}
if (outpoint.n == UINT_MAX) {
sendStatus.status = WalletModel::InvalidAddress;
sendStatus.reasonCommitFailed = "Intermediate address was not found in the transaction";
fNewRecipientAllowed = true;
return;
}
CCoinControl ctrl;
ctrl.fAllowOtherInputs = false;
ctrl.fNoChange = true;
ctrl.Select(outpoint);
WalletModelTransaction secondTransaction(exchangeRecipients);
prepareStatus = model->prepareTransaction(secondTransaction, &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;
}
sendStatus = model->sendCoins(secondTransaction);
// process sendStatus and on error generate message shown to user
processSendCoinsReturn(sendStatus);
}
fNewRecipientAllowed = true;
}
void SendCoinsDialog::on_switchFundButton_clicked()
{
setAnonymizeMode(!fAnonymousMode);
entry->setfAnonymousMode(fAnonymousMode);
entry->setWarning(fAnonymousMode);
coinControlUpdateLabels();
}
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()
{
entry = new SendCoinsEntry(platformStyle, this);
entry->setModel(model);
entry->setfAnonymousMode(fAnonymousMode);
entry->setWarning(fAnonymousMode);
ui->entries->addWidget(entry);
connect(entry, &SendCoinsEntry::removeEntry, this, &SendCoinsDialog::removeEntry);
connect(entry, &SendCoinsEntry::payAmountChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
connect(entry, &SendCoinsEntry::subtractFeeFromAmountChanged, this, &SendCoinsDialog::coinControlUpdateLabels);
// 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());
updateTabsAndLabels();
return entry;
}
void SendCoinsDialog::updateBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool header)
{
if (header)
{
return;
}
auto allowed = lelantus::IsLelantusAllowed() || (spark::IsSparkAllowed() && model->getWallet() && model->getWallet()->sparkWallet);
if (allowed && !ui->switchFundButton->isEnabled())
{
setAnonymizeMode(true);
ui->switchFundButton->setEnabled(true);
}
else if (!allowed && ui->switchFundButton->isEnabled())
{
setAnonymizeMode(false);
ui->switchFundButton->setEnabled(false);
}
}
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)
{
// Just paste the entry, all pre-checks
// are done in paymentserver.cpp.
pasteEntry(rv);
return true;
}
void SendCoinsDialog::setBalance(
const CAmount& balance,
const CAmount& unconfirmedBalance,
const CAmount& immatureBalance,
const CAmount& watchBalance,
const CAmount& watchUnconfirmedBalance,
const CAmount& watchImmatureBalance,
const CAmount& privateBalance,
const CAmount& unconfirmedPrivateBalance,
const CAmount& anonymizableBalance)
{
Q_UNUSED(unconfirmedBalance);
Q_UNUSED(immatureBalance);
Q_UNUSED(watchBalance);
Q_UNUSED(watchUnconfirmedBalance);
Q_UNUSED(watchImmatureBalance);
Q_UNUSED(unconfirmedPrivateBalance);
Q_UNUSED(anonymizableBalance);
if(model && model->getOptionsModel())
{
ui->labelBalance->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(),
fAnonymousMode ? privateBalance : balance));
}
}
void SendCoinsDialog::updateDisplayUnit()
{
auto privateBalance = model->getLelantusModel()->getPrivateBalance();
std::pair<CAmount, CAmount> sparkBalance = model->getSparkBalance();
privateBalance = spark::IsSparkAllowed() ? sparkBalance : privateBalance;
setBalance(model->getBalance(), 0, 0, 0, 0, 0, privateBalance.first, 0, 0);
ui->customFee->setDisplayUnit(model->getOptionsModel()->getDisplayUnit());
updateMinFeeLabel();
updateSmartFeeLabel();
}
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: addresses should only be used once each.");
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 with the following reason: %1").arg(sendCoinsReturn.reasonCommitFailed);
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
case WalletModel::AbsurdFee:
msgParams.first = tr("A fee higher than %1 is considered an absurdly high fee.").arg(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), maxTxFee));
break;
case WalletModel::PaymentRequestExpired:
msgParams.first = tr("Payment request expired.");
msgParams.second = CClientUIInterface::MSG_ERROR;
break;
// included to prevent a compiler warning.
case WalletModel::OK:
default:
return;
}
Q_EMIT message(tr("Send Coins"), msgParams.first, msgParams.second);
}
void SendCoinsDialog::minimizeFeeSection(bool fMinimize)
{
ui->labelFeeMinimized->setVisible(fMinimize);
ui->buttonChooseFee ->setVisible(fMinimize);
ui->buttonMinimizeFee->setVisible(!fMinimize);
ui->frameFeeSelection->setVisible(!fMinimize);
ui->horizontalLayoutSmartFee->setContentsMargins(0, (fMinimize ? 0 : 6), 0, 0);
fFeeMinimized = fMinimize;
}
void SendCoinsDialog::on_buttonChooseFee_clicked()
{
minimizeFeeSection(false);
}
void SendCoinsDialog::on_buttonMinimizeFee_clicked()
{
updateFeeMinimizedLabel();
minimizeFeeSection(true);
}
void SendCoinsDialog::setMinimumFee()
{
ui->radioCustomPerKilobyte->setChecked(true);
ui->customFee->setValue(CWallet::GetRequiredFee(1000));
}
void SendCoinsDialog::updateFeeSectionControls()
{
ui->sliderSmartFee ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelSmartFee ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelSmartFee2 ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelSmartFee3 ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelFeeEstimation ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelSmartFeeNormal ->setEnabled(ui->radioSmartFee->isChecked());
ui->labelSmartFeeFast ->setEnabled(ui->radioSmartFee->isChecked());
ui->confirmationTargetLabel ->setEnabled(ui->radioSmartFee->isChecked());
ui->checkBoxMinimumFee ->setEnabled(ui->radioCustomFee->isChecked());
ui->labelMinFeeWarning ->setEnabled(ui->radioCustomFee->isChecked());
ui->radioCustomPerKilobyte ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked());
ui->radioCustomAtLeast ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked() && CoinControlDialog::coinControl->HasSelected());
ui->customFee ->setEnabled(ui->radioCustomFee->isChecked() && !ui->checkBoxMinimumFee->isChecked());
}
void SendCoinsDialog::updateGlobalFeeVariables()
{
if (ui->radioSmartFee->isChecked())
{
int nConfirmTarget = ui->sliderSmartFee->maximum() - ui->sliderSmartFee->value() + 2;
payTxFee = CFeeRate(0);
// set nMinimumTotalFee to 0 to not accidentally pay a custom fee
CoinControlDialog::coinControl->nMinimumTotalFee = 0;
// show the estimated required time for confirmation
ui->confirmationTargetLabel->setText(GUIUtil::formatDurationStr(nConfirmTarget * Params().GetConsensus().nPowTargetSpacing) + " / " + tr("%n block(s)", "", nConfirmTarget));
}
else
{
payTxFee = CFeeRate(ui->customFee->value());