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#include "connection.h"
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#include "mainwindow.h"
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#include "settings.h"
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#include "ui_connection.h"
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#include "firsttimewizard.h"
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#include "ui_createhushconfdialog.h"
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#include "controller.h"
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#include "../lib/silentdragonlitelib.h"
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#include "precompiled.h"
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using json = nlohmann::json;
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ConnectionLoader::ConnectionLoader(MainWindow* main, Controller* rpc) {
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this->main = main;
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this->rpc = rpc;
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d = new QDialog(main);
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connD = new Ui_ConnectionDialog();
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connD->setupUi(d);
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QPixmap logo(":/img/res/logobig.gif");
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connD->topIcon->setBasePixmap(logo.scaled(256, 256, Qt::KeepAspectRatio, Qt::SmoothTransformation));
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isSyncing = new QAtomicInteger<bool>();
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}
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ConnectionLoader::~ConnectionLoader() {
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delete isSyncing;
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delete connD;
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delete d;
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}
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void ConnectionLoader::loadConnection() {
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QTimer::singleShot(1, [=]() { this->doAutoConnect(); });
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if (!Settings::getInstance()->isHeadless())
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d->exec();
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}
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void ConnectionLoader::doAutoConnect() {
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qDebug() << "Doing autoconnect";
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auto config = std::shared_ptr<ConnectionConfig>(new ConnectionConfig());
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config->dangerous = true;
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config->server = Settings::getInstance()->getSettings().server;
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// Initialize the library
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main->logger->write(QObject::tr("Attempting to initialize library with ") + config->server);
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// Check to see if there's an existing wallet
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if (litelib_wallet_exists(Settings::getChainName().toStdString().c_str())) {
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main->logger->write(QObject::tr("Using existing wallet."));
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char* resp = litelib_initialize_existing(config->dangerous, config->server.toStdString().c_str());
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QString response = litelib_process_response(resp);
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if (response.toUpper().trimmed() != "OK") {
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showError(response);
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return;
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}
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} else {
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main->logger->write(QObject::tr("Create/restore wallet."));
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createOrRestore(config->dangerous, config->server);
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d->show();
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}
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auto connection = makeConnection(config);
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auto me = this;
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// After the lib is initialized, try to do get info
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connection->doRPC("info", "", [=](auto) {
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// If success, set the connection
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main->logger->write("Connection is online.");
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isSyncing = new QAtomicInteger<bool>();
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isSyncing->store(true);
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// Do a sync at startup
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syncTimer = new QTimer(main);
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connection->doRPCWithDefaultErrorHandling("sync", "", [=](auto) {
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isSyncing->store(false);
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// Cancel the timer
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syncTimer->deleteLater();
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// When sync is done, set the connection
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this->doRPCSetConnection(connection);
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});
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// While it is syncing, we'll show the status updates while it is alive.
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QObject::connect(syncTimer, &QTimer::timeout, [=]() {
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// Check the sync status
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if (isSyncing != nullptr && isSyncing->load()) {
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// Get the sync status
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connection->doRPC("syncstatus", "", [=](json reply) {
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if (isSyncing != nullptr && reply.find("synced_blocks") != reply.end()) {
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qint64 synced = reply["synced_blocks"].get<json::number_unsigned_t>();
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qint64 total = reply["total_blocks"].get<json::number_unsigned_t>();
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me->showInformation("Synced " + QString::number(synced) + " / " + QString::number(total));
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}
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},
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[=](QString err) {
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qDebug() << "Sync error" << err;
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});
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}
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});
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syncTimer->setInterval(1* 1000);
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syncTimer->start();
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}, [=](QString err) {
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showError(err);
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});
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}
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void ConnectionLoader::createOrRestore(bool dangerous, QString server) {
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// Close the startup dialog, since we'll be showing the wizard
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d->hide();
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// Create a wizard
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FirstTimeWizard wizard(dangerous, server);
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wizard.exec();
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}
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void ConnectionLoader::doRPCSetConnection(Connection* conn) {
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qDebug() << "Connectionloader finished, setting connection";
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rpc->setConnection(conn);
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d->accept();
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QTimer::singleShot(1, [=]() { delete this; });
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}
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Connection* ConnectionLoader::makeConnection(std::shared_ptr<ConnectionConfig> config) {
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return new Connection(main, config);
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}
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// Update the UI with the status
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void ConnectionLoader::showInformation(QString info, QString detail) {
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qDebug() << "Showing info " << info << ":" << detail;
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connD->status->setText(info);
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connD->statusDetail->setText(detail);
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}
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/**
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* Show error will close the loading dialog and show an error.
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*/
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void ConnectionLoader::showError(QString explanation) {
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rpc->noConnection();
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QMessageBox::critical(main, QObject::tr("Connection Error"), explanation, QMessageBox::Ok);
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d->close();
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}
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QString litelib_process_response(char* resp) {
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char* resp_copy = new char[strlen(resp) + 1];
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strcpy(resp_copy, resp);
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litelib_rust_free_string(resp);
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QString reply = QString::fromStdString(resp_copy);
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memset(resp_copy, '-', strlen(resp_copy));
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delete[] resp_copy;
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return reply;
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}
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/***********************************************************************************
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* Connection, Executor and Callback Class
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************************************************************************************/
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void Executor::run() {
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char* resp = litelib_execute(this->cmd.toStdString().c_str(), this->args.toStdString().c_str());
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QString reply = litelib_process_response(resp);
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//qDebug() << "RPC Reply=" << reply;
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auto parsed = json::parse(reply.toStdString().c_str(), nullptr, false);
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if (parsed.is_discarded() || parsed.is_null()) {
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emit handleError(reply);
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} else {
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emit responseReady(parsed);
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}
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}
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void Callback::processRPCCallback(json resp) {
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this->cb(resp);
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// Destroy self
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delete this;
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}
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void Callback::processError(QString resp) {
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this->errCb(resp);
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// Destroy self
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delete this;
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}
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Connection::Connection(MainWindow* m, std::shared_ptr<ConnectionConfig> conf) {
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this->config = conf;
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this->main = m;
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// Register the JSON type as a type that can be passed between signals and slots.
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qRegisterMetaType<json>("json");
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}
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void Connection::doRPC(const QString cmd, const QString args, const std::function<void(json)>& cb,
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const std::function<void(QString)>& errCb) {
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if (shutdownInProgress) {
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// Ignoring RPC because shutdown in progress
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return;
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}
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//qDebug() << "Doing RPC: " << cmd;
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// Create a runner.
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auto runner = new Executor(cmd, args);
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// Callback object. Will delete itself
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auto c = new Callback(cb, errCb);
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QObject::connect(runner, &Executor::responseReady, c, &Callback::processRPCCallback);
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QObject::connect(runner, &Executor::handleError, c, &Callback::processError);
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QThreadPool::globalInstance()->start(runner);
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}
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void Connection::doRPCWithDefaultErrorHandling(const QString cmd, const QString args, const std::function<void(json)>& cb) {
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doRPC(cmd, args, cb, [=] (QString err) {
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this->showTxError(err);
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});
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}
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void Connection::doRPCIgnoreError(const QString cmd, const QString args, const std::function<void(json)>& cb) {
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doRPC(cmd, args, cb, [=] (auto) {
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// Ignored error handling
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});
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}
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void Connection::showTxError(const QString& error) {
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if (error.isNull()) return;
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// Prevent multiple dialog boxes from showing, because they're all called async
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static bool shown = false;
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if (shown)
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return;
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shown = true;
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QMessageBox::critical(main, QObject::tr("Transaction Error"), QObject::tr("There was an error sending the transaction. The error was:") + "\n\n"
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+ error, QMessageBox::StandardButton::Ok);
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shown = false;
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}
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/**
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* Prevent all future calls from going through
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*/
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void Connection::shutdown() {
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shutdownInProgress = true;
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}
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