const QByteArray Helpers::createBackup(const QDir& keystore) {
const QByteArray settingsData = exportSettings();
const QByteArray addressData = exportAddresses(keystore);
QByteArray testnetData;
QDir testnet(keystore);
// can't use && because C++ doesn't enforce execution order AFAIK
if ( testnet.cd("../testnet") ) {
if ( testnet.cd("keystore") ) {
testnetData = exportAddresses(testnet);
}
}
QByteArray all; // all without checksum
QByteArray result; // full result with 16bit checksum
QDataStream allStream(&all, QIODevice::WriteOnly);
QDataStream resultStream(&result, QIODevice::WriteOnly);
quint32 segmentSize;
segmentSize = settingsData.size();
allStream << segmentSize;
allStream << settingsData;
segmentSize = addressData.size();
allStream << segmentSize;
allStream << addressData;
// add testnet addresses if present
if ( testnetData.size() > 0 ) {
segmentSize = testnetData.size();
allStream << segmentSize;
allStream << testnetData;
}
quint32 allSize = all.size();
quint16 crc = qChecksum(all.data(), all.size());
resultStream << allSize;
resultStream << crc;
resultStream << all;
return qCompress(result, 9);
}
//! Called when program is closed. Saves settings and writes them to disk.
void Window::closeEvent(QCloseEvent *event)
{
exportSettings();
config->xmlWrite(this->configFileURI);
event->accept();
}