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- #include "clientmodel.h"
-
- #include "guiconstants.h"
- #include "optionsmodel.h"
- #include "addresstablemodel.h"
- #include "transactiontablemodel.h"
-
- #include "chainparams.h"
- #include "alert.h"
- #include "main.h"
- #include "checkpoints.h"
- #include "ui_interface.h"
-
- #include <QDateTime>
- #include <QTimer>
-
- static const int64 nClientStartupTime = GetTime();
-
- ClientModel::ClientModel(OptionsModel *optionsModel, QObject *parent) :
- QObject(parent), optionsModel(optionsModel),
- cachedNumBlocks(0), cachedNumBlocksOfPeers(0),
- cachedReindexing(0), cachedImporting(0),
- numBlocksAtStartup(-1), pollTimer(0)
- {
- pollTimer = new QTimer(this);
- pollTimer->setInterval(MODEL_UPDATE_DELAY);
- pollTimer->start();
- connect(pollTimer, SIGNAL(timeout()), this, SLOT(updateTimer()));
-
- subscribeToCoreSignals();
- }
-
- ClientModel::~ClientModel()
- {
- unsubscribeFromCoreSignals();
- }
-
- int ClientModel::getNumConnections() const
- {
- return vNodes.size();
- }
-
- int ClientModel::getNumBlocks() const
- {
- return nBestHeight;
- }
-
- int ClientModel::getNumBlocksAtStartup()
- {
- if (numBlocksAtStartup == -1) numBlocksAtStartup = getNumBlocks();
- return numBlocksAtStartup;
- }
-
- QDateTime ClientModel::getLastBlockDate() const
- {
- if (pindexBest)
- return QDateTime::fromTime_t(pindexBest->GetBlockTime());
- else if(!isTestNet())
- return QDateTime::fromTime_t(1231006505); // Genesis block's time
- else
- return QDateTime::fromTime_t(1296688602); // Genesis block's time (testnet)
- }
-
- double ClientModel::getVerificationProgress() const
- {
- return Checkpoints::GuessVerificationProgress(pindexBest);
- }
-
- void ClientModel::updateTimer()
- {
- // Some quantities (such as number of blocks) change so fast that we don't want to be notified for each change.
- // Periodically check and update with a timer.
- int newNumBlocks = getNumBlocks();
- int newNumBlocksOfPeers = getNumBlocksOfPeers();
-
- // check for changed number of blocks we have, number of blocks peers claim to have, reindexing state and importing state
- if (cachedNumBlocks != newNumBlocks || cachedNumBlocksOfPeers != newNumBlocksOfPeers ||
- cachedReindexing != fReindex || cachedImporting != fImporting)
- {
- cachedNumBlocks = newNumBlocks;
- cachedNumBlocksOfPeers = newNumBlocksOfPeers;
- cachedReindexing = fReindex;
- cachedImporting = fImporting;
-
- // ensure we return the maximum of newNumBlocksOfPeers and newNumBlocks to not create weird displays in the GUI
- emit numBlocksChanged(newNumBlocks, std::max(newNumBlocksOfPeers, newNumBlocks));
- }
- }
-
- void ClientModel::updateNumConnections(int numConnections)
- {
- emit numConnectionsChanged(numConnections);
- }
-
- void ClientModel::updateAlert(const QString &hash, int status)
- {
- // Show error message notification for new alert
- if(status == CT_NEW)
- {
- uint256 hash_256;
- hash_256.SetHex(hash.toStdString());
- CAlert alert = CAlert::getAlertByHash(hash_256);
- if(!alert.IsNull())
- {
- emit message(tr("Network Alert"), QString::fromStdString(alert.strStatusBar), CClientUIInterface::ICON_ERROR);
- }
- }
-
- emit alertsChanged(getStatusBarWarnings());
- }
-
- bool ClientModel::isTestNet() const
- {
- return TestNet();
- }
-
- bool ClientModel::inInitialBlockDownload() const
- {
- return IsInitialBlockDownload();
- }
-
- enum BlockSource ClientModel::getBlockSource() const
- {
- if (fReindex)
- return BLOCK_SOURCE_REINDEX;
- else if (fImporting)
- return BLOCK_SOURCE_DISK;
- else if (getNumConnections() > 0)
- return BLOCK_SOURCE_NETWORK;
-
- return BLOCK_SOURCE_NONE;
- }
-
- int ClientModel::getNumBlocksOfPeers() const
- {
- return GetNumBlocksOfPeers();
- }
-
- QString ClientModel::getStatusBarWarnings() const
- {
- return QString::fromStdString(GetWarnings("statusbar"));
- }
-
- OptionsModel *ClientModel::getOptionsModel()
- {
- return optionsModel;
- }
-
- QString ClientModel::formatFullVersion() const
- {
- return QString::fromStdString(FormatFullVersion());
- }
-
- QString ClientModel::formatBuildDate() const
- {
- return QString::fromStdString(CLIENT_DATE);
- }
-
- bool ClientModel::isReleaseVersion() const
- {
- return CLIENT_VERSION_IS_RELEASE;
- }
-
- QString ClientModel::clientName() const
- {
- return QString::fromStdString(CLIENT_NAME);
- }
-
- QString ClientModel::formatClientStartupTime() const
- {
- return QDateTime::fromTime_t(nClientStartupTime).toString();
- }
-
- // Handlers for core signals
- static void NotifyBlocksChanged(ClientModel *clientmodel)
- {
- // This notification is too frequent. Don't trigger a signal.
- // Don't remove it, though, as it might be useful later.
- }
-
- static void NotifyNumConnectionsChanged(ClientModel *clientmodel, int newNumConnections)
- {
- // Too noisy: OutputDebugStringF("NotifyNumConnectionsChanged %i\n", newNumConnections);
- QMetaObject::invokeMethod(clientmodel, "updateNumConnections", Qt::QueuedConnection,
- Q_ARG(int, newNumConnections));
- }
-
- static void NotifyAlertChanged(ClientModel *clientmodel, const uint256 &hash, ChangeType status)
- {
- OutputDebugStringF("NotifyAlertChanged %s status=%i\n", hash.GetHex().c_str(), status);
- QMetaObject::invokeMethod(clientmodel, "updateAlert", Qt::QueuedConnection,
- Q_ARG(QString, QString::fromStdString(hash.GetHex())),
- Q_ARG(int, status));
- }
-
- void ClientModel::subscribeToCoreSignals()
- {
- // Connect signals to client
- uiInterface.NotifyBlocksChanged.connect(boost::bind(NotifyBlocksChanged, this));
- uiInterface.NotifyNumConnectionsChanged.connect(boost::bind(NotifyNumConnectionsChanged, this, _1));
- uiInterface.NotifyAlertChanged.connect(boost::bind(NotifyAlertChanged, this, _1, _2));
- }
-
- void ClientModel::unsubscribeFromCoreSignals()
- {
- // Disconnect signals from client
- uiInterface.NotifyBlocksChanged.disconnect(boost::bind(NotifyBlocksChanged, this));
- uiInterface.NotifyNumConnectionsChanged.disconnect(boost::bind(NotifyNumConnectionsChanged, this, _1));
- uiInterface.NotifyAlertChanged.disconnect(boost::bind(NotifyAlertChanged, this, _1, _2));
- }
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