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Merge pull request #7319

b1a8374 [qt] Intro: Display required space (MarcoFalke)
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laanwj committed Jan 8, 2016
2 parents ff9b610 + b1a8374 commit 1320300ea11f3e9f3c30592eb19ebc47f5ef4abd
Showing with 15 additions and 5 deletions.
  1. +15 −5 src/qt/intro.cpp
@@ -15,9 +15,15 @@
#include <QSettings>
#include <QMessageBox>

/* Minimum free space (in bytes) needed for data directory */
#include <cmath>

static const uint64_t GB_BYTES = 1000000000LL;
static const uint64_t BLOCK_CHAIN_SIZE = 20LL * GB_BYTES;
/* Minimum free space (in GB) needed for data directory */
static const uint64_t BLOCK_CHAIN_SIZE = 80;
/* Minimum free space (in GB) needed for data directory when pruned; Does not include prune target */
static const uint64_t CHAIN_STATE_SIZE = 2;
/* Total required space (in GB) depending on user choice (prune, not prune) */
static uint64_t requiredSpace;

/* Check free space asynchronously to prevent hanging the UI thread.
@@ -112,7 +118,11 @@ Intro::Intro(QWidget *parent) :
signalled(false)
{
ui->setupUi(this);
ui->sizeWarningLabel->setText(ui->sizeWarningLabel->text().arg(BLOCK_CHAIN_SIZE/GB_BYTES));
uint64_t pruneTarget = std::max<int64_t>(0, GetArg("-prune", 0));
requiredSpace = BLOCK_CHAIN_SIZE;
if (pruneTarget)
requiredSpace = CHAIN_STATE_SIZE + std::ceil(pruneTarget * 1024 * 1024.0 / GB_BYTES);
ui->sizeWarningLabel->setText(ui->sizeWarningLabel->text().arg(requiredSpace));
startThread();
}

@@ -216,9 +226,9 @@ void Intro::setStatus(int status, const QString &message, quint64 bytesAvailable
ui->freeSpace->setText("");
} else {
QString freeString = tr("%n GB of free space available", "", bytesAvailable/GB_BYTES);
if(bytesAvailable < BLOCK_CHAIN_SIZE)
if(bytesAvailable < requiredSpace * GB_BYTES)
{
freeString += " " + tr("(of %n GB needed)", "", BLOCK_CHAIN_SIZE/GB_BYTES);
freeString += " " + tr("(of %n GB needed)", "", requiredSpace);
ui->freeSpace->setStyleSheet("QLabel { color: #800000 }");
} else {
ui->freeSpace->setStyleSheet("");

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