5 #if defined(HAVE_CONFIG_H)
12 #include <qt/forms/ui_intro.h>
20 #include <validation.h>
22 #include <QFileDialog>
24 #include <QMessageBox>
54 void reply(
int status,
const QString &message, quint64 available);
60 #include <qt/intro.moc>
71 uint64_t freeBytesAvailable = 0;
72 int replyStatus =
ST_OK;
73 QString replyMessage = tr(
"A new data directory will be created.");
78 while(parentDir.has_parent_path() && !
fs::exists(parentDir))
80 parentDir = parentDir.parent_path();
83 if (parentDirOld == parentDir)
86 parentDirOld = parentDir;
90 freeBytesAvailable = fs::space(parentDir).available;
93 if(fs::is_directory(dataDir))
95 QString separator =
"<code>" + QDir::toNativeSeparators(
"/") + tr(
"name") +
"</code>";
97 replyMessage = tr(
"Directory already exists. Add %1 if you intend to create a new directory here.").arg(separator);
100 replyMessage = tr(
"Path already exists, and is not a directory.");
103 }
catch (
const fs::filesystem_error&)
107 replyMessage = tr(
"Cannot create data directory here.");
109 Q_EMIT
reply(replyStatus, replyMessage, freeBytesAvailable);
114 int GetPruneTargetGB()
122 Intro::Intro(QWidget *parent, int64_t blockchain_size_gb, int64_t chain_state_size_gb) :
127 m_blockchain_size_gb(blockchain_size_gb),
128 m_chain_state_size_gb(chain_state_size_gb),
129 m_prune_target_gb{GetPruneTargetGB()}
132 ui->welcomeLabel->setText(ui->welcomeLabel->text().arg(
PACKAGE_NAME));
133 ui->storageLabel->setText(ui->storageLabel->text().arg(
PACKAGE_NAME));
135 ui->lblExplanation1->setText(ui->lblExplanation1->text()
137 .arg(m_blockchain_size_gb)
141 ui->lblExplanation2->setText(ui->lblExplanation2->text().arg(
PACKAGE_NAME));
144 ui->pruneGB->setRange(min_prune_target_GB, std::numeric_limits<int>::max());
146 ui->prune->setChecked(
true);
147 ui->prune->setEnabled(
false);
149 ui->pruneGB->setValue(m_prune_target_gb);
150 ui->pruneGB->setToolTip(ui->prune->toolTip());
151 ui->lblPruneSuffix->setToolTip(ui->prune->toolTip());
152 UpdatePruneLabels(ui->prune->isChecked());
154 connect(ui->prune, &QCheckBox::toggled, [
this](
bool prune_checked) {
155 UpdatePruneLabels(prune_checked);
156 UpdateFreeSpaceLabel();
158 connect(ui->pruneGB, qOverload<int>(&QSpinBox::valueChanged), [
this](
int prune_GB) {
159 m_prune_target_gb = prune_GB;
160 UpdatePruneLabels(ui->prune->isChecked());
161 UpdateFreeSpaceLabel();
177 return ui->dataDirectory->text();
182 ui->dataDirectory->setText(dataDir);
185 ui->dataDirDefault->setChecked(
true);
186 ui->dataDirectory->setEnabled(
false);
187 ui->ellipsisButton->setEnabled(
false);
189 ui->dataDirCustom->setChecked(
true);
190 ui->dataDirectory->setEnabled(
true);
191 ui->ellipsisButton->setEnabled(
true);
197 switch (
ui->prune->checkState()) {
200 case Qt::Unchecked:
default:
207 did_show_intro =
false;
217 dataDir = settings.value(
"strDataDir", dataDir).toString();
224 }
catch (
const std::exception&) {
229 Intro intro(0,
Params().AssumedBlockchainSize(),
Params().AssumedChainStateSize());
231 intro.setWindowIcon(QIcon(
":icons/bitcoin"));
232 did_show_intro =
true;
248 }
catch (
const fs::filesystem_error&) {
250 tr(
"Error: Specified data directory \"%1\" cannot be created.").arg(dataDir));
258 settings.setValue(
"strDataDir", dataDir);
259 settings.setValue(
"fReset",
false);
276 ui->errorMessage->setText(message);
277 ui->errorMessage->setStyleSheet(
"");
280 ui->errorMessage->setText(tr(
"Error") +
": " + message);
281 ui->errorMessage->setStyleSheet(
"QLabel { color: #800000 }");
287 ui->freeSpace->setText(
"");
290 if (
ui->prune->isEnabled()) {
304 ui->freeSpace->setStyleSheet(
"QLabel { color: #800000 }");
307 ui->freeSpace->setStyleSheet(
"QLabel { color: #999900 }");
309 ui->freeSpace->setStyleSheet(
"");
311 ui->freeSpace->setText(freeString +
".");
317 ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(
false);
323 QString dir = QDir::toNativeSeparators(QFileDialog::getExistingDirectory(
nullptr,
"Choose data directory",
ui->dataDirectory->text()));
325 ui->dataDirectory->setText(dir);
335 ui->dataDirectory->setEnabled(
true);
336 ui->ellipsisButton->setEnabled(
true);
341 thread =
new QThread(
this);
343 executor->moveToThread(
thread);
348 connect(
thread, &QThread::finished, executor, &QObject::deleteLater);
378 QString storageRequiresMsg = tr(
"At least %1 GB of data will be stored in this directory, and it will grow over time.");
381 storageRequiresMsg = tr(
"Approximately %1 GB of data will be stored in this directory.");
383 ui->lblExplanation3->setVisible(prune_checked);
384 ui->pruneGB->setEnabled(prune_checked);
385 static constexpr uint64_t nPowTargetSpacing = 10 * 60;
386 static constexpr uint32_t expected_block_data_size = 2250000;
387 const uint64_t expected_backup_days =
m_prune_target_gb * 1e9 / (uint64_t(expected_block_data_size) * 86400 / nPowTargetSpacing);
388 ui->lblPruneSuffix->setText(
390 tr(
"(sufficient to restore backups %n day(s) old)",
"", expected_backup_days));
391 ui->sizeWarningLabel->setText(
392 tr(
"%1 will download and store a copy of the Bitcoin block chain.").arg(
PACKAGE_NAME) +
" " +
394 tr(
"The wallet will also be stored in this directory.")