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rpcconsole.cpp
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// Copyright (c) 2011-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include <config/bitcoin-config.h>
#endif
#include <qt/rpcconsole.h>
#include <qt/forms/ui_debugwindow.h>
#include <qt/bantablemodel.h>
#include <qt/clientmodel.h>
#include <qt/platformstyle.h>
#include <qt/walletmodel.h>
#include <chainparams.h>
#include <interfaces/node.h>
#include <netbase.h>
#include <rpc/client.h>
#include <rpc/server.h>
#include <util/strencodings.h>
#include <util/string.h>
#include <util/system.h>
#include <util/threadnames.h>
#include <univalue.h>
#ifdef ENABLE_WALLET
#ifdef USE_BDB
#include <wallet/bdb.h>
#endif
#include <wallet/db.h>
#include <wallet/wallet.h>
#endif
#include <QDateTime>
#include <QFont>
#include <QKeyEvent>
#include <QMenu>
#include <QMessageBox>
#include <QScreen>
#include <QScrollBar>
#include <QSettings>
#include <QString>
#include <QStringList>
#include <QTime>
#include <QTimer>
const int CONSOLE_HISTORY = 50;
const int INITIAL_TRAFFIC_GRAPH_MINS = 30;
const QSize FONT_RANGE(4, 40);
const char fontSizeSettingsKey[] = "consoleFontSize";
const struct {
const char *url;
const char *source;
} ICON_MAPPING[] = {
{"cmd-request", ":/icons/tx_input"},
{"cmd-reply", ":/icons/tx_output"},
{"cmd-error", ":/icons/tx_output"},
{"misc", ":/icons/tx_inout"},
{nullptr, nullptr}
};
namespace {
// don't add private key handling cmd's to the history
const QStringList historyFilter = QStringList()
<< "importprivkey"
<< "importmulti"
<< "sethdseed"
<< "signmessagewithprivkey"
<< "signrawtransactionwithkey"
<< "walletpassphrase"
<< "walletpassphrasechange"
<< "encryptwallet";
}
/* Object for executing console RPC commands in a separate thread.
*/
class RPCExecutor : public QObject
{
Q_OBJECT
public:
explicit RPCExecutor(interfaces::Node& node) : m_node(node) {}
public Q_SLOTS:
void request(const QString &command, const WalletModel* wallet_model);
Q_SIGNALS:
void reply(int category, const QString &command);
private:
interfaces::Node& m_node;
};
/** Class for handling RPC timers
* (used for e.g. re-locking the wallet after a timeout)
*/
class QtRPCTimerBase: public QObject, public RPCTimerBase
{
Q_OBJECT
public:
QtRPCTimerBase(std::function<void()>& _func, int64_t millis):
func(_func)
{
timer.setSingleShot(true);
connect(&timer, &QTimer::timeout, [this]{ func(); });
timer.start(millis);
}
~QtRPCTimerBase() {}
private:
QTimer timer;
std::function<void()> func;
};
class QtRPCTimerInterface: public RPCTimerInterface
{
public:
~QtRPCTimerInterface() {}
const char *Name() override { return "Qt"; }
RPCTimerBase* NewTimer(std::function<void()>& func, int64_t millis) override
{
return new QtRPCTimerBase(func, millis);
}
};
#include <qt/rpcconsole.moc>
/**
* Split shell command line into a list of arguments and optionally execute the command(s).
* Aims to emulate \c bash and friends.
*
* - Command nesting is possible with parenthesis; for example: validateaddress(getnewaddress())
* - Arguments are delimited with whitespace or comma
* - Extra whitespace at the beginning and end and between arguments will be ignored
* - Text can be "double" or 'single' quoted
* - The backslash \c \ is used as escape character
* - Outside quotes, any character can be escaped
* - Within double quotes, only escape \c " and backslashes before a \c " or another backslash
* - Within single quotes, no escaping is possible and no special interpretation takes place
*
* @param[in] node optional node to execute command on
* @param[out] strResult stringified result from the executed command(chain)
* @param[in] strCommand Command line to split
* @param[in] fExecute set true if you want the command to be executed
* @param[out] pstrFilteredOut Command line, filtered to remove any sensitive data
*/
bool RPCConsole::RPCParseCommandLine(interfaces::Node* node, std::string &strResult, const std::string &strCommand, const bool fExecute, std::string * const pstrFilteredOut, const WalletModel* wallet_model)
{
std::vector< std::vector<std::string> > stack;
stack.push_back(std::vector<std::string>());
enum CmdParseState
{
STATE_EATING_SPACES,
STATE_EATING_SPACES_IN_ARG,
STATE_EATING_SPACES_IN_BRACKETS,
STATE_ARGUMENT,
STATE_SINGLEQUOTED,
STATE_DOUBLEQUOTED,
STATE_ESCAPE_OUTER,
STATE_ESCAPE_DOUBLEQUOTED,
STATE_COMMAND_EXECUTED,
STATE_COMMAND_EXECUTED_INNER
} state = STATE_EATING_SPACES;
std::string curarg;
UniValue lastResult;
unsigned nDepthInsideSensitive = 0;
size_t filter_begin_pos = 0, chpos;
std::vector<std::pair<size_t, size_t>> filter_ranges;
auto add_to_current_stack = [&](const std::string& strArg) {
if (stack.back().empty() && (!nDepthInsideSensitive) && historyFilter.contains(QString::fromStdString(strArg), Qt::CaseInsensitive)) {
nDepthInsideSensitive = 1;
filter_begin_pos = chpos;
}
// Make sure stack is not empty before adding something
if (stack.empty()) {
stack.push_back(std::vector<std::string>());
}
stack.back().push_back(strArg);
};
auto close_out_params = [&]() {
if (nDepthInsideSensitive) {
if (!--nDepthInsideSensitive) {
assert(filter_begin_pos);
filter_ranges.push_back(std::make_pair(filter_begin_pos, chpos));
filter_begin_pos = 0;
}
}
stack.pop_back();
};
std::string strCommandTerminated = strCommand;
if (strCommandTerminated.back() != '\n')
strCommandTerminated += "\n";
for (chpos = 0; chpos < strCommandTerminated.size(); ++chpos)
{
char ch = strCommandTerminated[chpos];
switch(state)
{
case STATE_COMMAND_EXECUTED_INNER:
case STATE_COMMAND_EXECUTED:
{
bool breakParsing = true;
switch(ch)
{
case '[': curarg.clear(); state = STATE_COMMAND_EXECUTED_INNER; break;
default:
if (state == STATE_COMMAND_EXECUTED_INNER)
{
if (ch != ']')
{
// append char to the current argument (which is also used for the query command)
curarg += ch;
break;
}
if (curarg.size() && fExecute)
{
// if we have a value query, query arrays with index and objects with a string key
UniValue subelement;
if (lastResult.isArray())
{
for(char argch: curarg)
if (!IsDigit(argch))
throw std::runtime_error("Invalid result query");
subelement = lastResult[atoi(curarg.c_str())];
}
else if (lastResult.isObject())
subelement = find_value(lastResult, curarg);
else
throw std::runtime_error("Invalid result query"); //no array or object: abort
lastResult = subelement;
}
state = STATE_COMMAND_EXECUTED;
break;
}
// don't break parsing when the char is required for the next argument
breakParsing = false;
// pop the stack and return the result to the current command arguments
close_out_params();
// don't stringify the json in case of a string to avoid doublequotes
if (lastResult.isStr())
curarg = lastResult.get_str();
else
curarg = lastResult.write(2);
// if we have a non empty result, use it as stack argument otherwise as general result
if (curarg.size())
{
if (stack.size())
add_to_current_stack(curarg);
else
strResult = curarg;
}
curarg.clear();
// assume eating space state
state = STATE_EATING_SPACES;
}
if (breakParsing)
break;
}
case STATE_ARGUMENT: // In or after argument
case STATE_EATING_SPACES_IN_ARG:
case STATE_EATING_SPACES_IN_BRACKETS:
case STATE_EATING_SPACES: // Handle runs of whitespace
switch(ch)
{
case '"': state = STATE_DOUBLEQUOTED; break;
case '\'': state = STATE_SINGLEQUOTED; break;
case '\\': state = STATE_ESCAPE_OUTER; break;
case '(': case ')': case '\n':
if (state == STATE_EATING_SPACES_IN_ARG)
throw std::runtime_error("Invalid Syntax");
if (state == STATE_ARGUMENT)
{
if (ch == '(' && stack.size() && stack.back().size() > 0)
{
if (nDepthInsideSensitive) {
++nDepthInsideSensitive;
}
stack.push_back(std::vector<std::string>());
}
// don't allow commands after executed commands on baselevel
if (!stack.size())
throw std::runtime_error("Invalid Syntax");
add_to_current_stack(curarg);
curarg.clear();
state = STATE_EATING_SPACES_IN_BRACKETS;
}
if ((ch == ')' || ch == '\n') && stack.size() > 0)
{
if (fExecute) {
// Convert argument list to JSON objects in method-dependent way,
// and pass it along with the method name to the dispatcher.
UniValue params = RPCConvertValues(stack.back()[0], std::vector<std::string>(stack.back().begin() + 1, stack.back().end()));
std::string method = stack.back()[0];
std::string uri;
#ifdef ENABLE_WALLET
if (wallet_model) {
QByteArray encodedName = QUrl::toPercentEncoding(wallet_model->getWalletName());
uri = "/wallet/"+std::string(encodedName.constData(), encodedName.length());
}
#endif
assert(node);
lastResult = node->executeRpc(method, params, uri);
}
state = STATE_COMMAND_EXECUTED;
curarg.clear();
}
break;
case ' ': case ',': case '\t':
if(state == STATE_EATING_SPACES_IN_ARG && curarg.empty() && ch == ',')
throw std::runtime_error("Invalid Syntax");
else if(state == STATE_ARGUMENT) // Space ends argument
{
add_to_current_stack(curarg);
curarg.clear();
}
if ((state == STATE_EATING_SPACES_IN_BRACKETS || state == STATE_ARGUMENT) && ch == ',')
{
state = STATE_EATING_SPACES_IN_ARG;
break;
}
state = STATE_EATING_SPACES;
break;
default: curarg += ch; state = STATE_ARGUMENT;
}
break;
case STATE_SINGLEQUOTED: // Single-quoted string
switch(ch)
{
case '\'': state = STATE_ARGUMENT; break;
default: curarg += ch;
}
break;
case STATE_DOUBLEQUOTED: // Double-quoted string
switch(ch)
{
case '"': state = STATE_ARGUMENT; break;
case '\\': state = STATE_ESCAPE_DOUBLEQUOTED; break;
default: curarg += ch;
}
break;
case STATE_ESCAPE_OUTER: // '\' outside quotes
curarg += ch; state = STATE_ARGUMENT;
break;
case STATE_ESCAPE_DOUBLEQUOTED: // '\' in double-quoted text
if(ch != '"' && ch != '\\') curarg += '\\'; // keep '\' for everything but the quote and '\' itself
curarg += ch; state = STATE_DOUBLEQUOTED;
break;
}
}
if (pstrFilteredOut) {
if (STATE_COMMAND_EXECUTED == state) {
assert(!stack.empty());
close_out_params();
}
*pstrFilteredOut = strCommand;
for (auto i = filter_ranges.rbegin(); i != filter_ranges.rend(); ++i) {
pstrFilteredOut->replace(i->first, i->second - i->first, "(…)");
}
}
switch(state) // final state
{
case STATE_COMMAND_EXECUTED:
if (lastResult.isStr())
strResult = lastResult.get_str();
else
strResult = lastResult.write(2);
case STATE_ARGUMENT:
case STATE_EATING_SPACES:
return true;
default: // ERROR to end in one of the other states
return false;
}
}
void RPCExecutor::request(const QString &command, const WalletModel* wallet_model)
{
try
{
std::string result;
std::string executableCommand = command.toStdString() + "\n";
// Catch the console-only-help command before RPC call is executed and reply with help text as-if a RPC reply.
if(executableCommand == "help-console\n") {
Q_EMIT reply(RPCConsole::CMD_REPLY, QString(("\n"
"This console accepts RPC commands using the standard syntax.\n"
" example: getblockhash 0\n\n"
"This console can also accept RPC commands using the parenthesized syntax.\n"
" example: getblockhash(0)\n\n"
"Commands may be nested when specified with the parenthesized syntax.\n"
" example: getblock(getblockhash(0) 1)\n\n"
"A space or a comma can be used to delimit arguments for either syntax.\n"
" example: getblockhash 0\n"
" getblockhash,0\n\n"
"Named results can be queried with a non-quoted key string in brackets using the parenthesized syntax.\n"
" example: getblock(getblockhash(0) 1)[tx]\n\n"
"Results without keys can be queried with an integer in brackets using the parenthesized syntax.\n"
" example: getblock(getblockhash(0),1)[tx][0]\n\n")));
return;
}
if (!RPCConsole::RPCExecuteCommandLine(m_node, result, executableCommand, nullptr, wallet_model)) {
Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Parse error: unbalanced ' or \""));
return;
}
Q_EMIT reply(RPCConsole::CMD_REPLY, QString::fromStdString(result));
}
catch (UniValue& objError)
{
try // Nice formatting for standard-format error
{
int code = find_value(objError, "code").get_int();
std::string message = find_value(objError, "message").get_str();
Q_EMIT reply(RPCConsole::CMD_ERROR, QString::fromStdString(message) + " (code " + QString::number(code) + ")");
}
catch (const std::runtime_error&) // raised when converting to invalid type, i.e. missing code or message
{ // Show raw JSON object
Q_EMIT reply(RPCConsole::CMD_ERROR, QString::fromStdString(objError.write()));
}
}
catch (const std::exception& e)
{
Q_EMIT reply(RPCConsole::CMD_ERROR, QString("Error: ") + QString::fromStdString(e.what()));
}
}
RPCConsole::RPCConsole(interfaces::Node& node, const PlatformStyle *_platformStyle, QWidget *parent) :
QWidget(parent),
m_node(node),
ui(new Ui::RPCConsole),
platformStyle(_platformStyle)
{
ui->setupUi(this);
QSettings settings;
if (!restoreGeometry(settings.value("RPCConsoleWindowGeometry").toByteArray())) {
// Restore failed (perhaps missing setting), center the window
move(QGuiApplication::primaryScreen()->availableGeometry().center() - frameGeometry().center());
}
ui->splitter->restoreState(settings.value("PeersTabSplitterSizes").toByteArray());
constexpr QChar nonbreaking_hyphen(8209);
const std::vector<QString> CONNECTION_TYPE_DOC{
tr("Inbound: initiated by peer"),
tr("Outbound Full Relay: default"),
tr("Outbound Block Relay: does not relay transactions or addresses"),
tr("Outbound Manual: added using RPC %1 or %2/%3 configuration options")
.arg("addnode")
.arg(QString(nonbreaking_hyphen) + "addnode")
.arg(QString(nonbreaking_hyphen) + "connect"),
tr("Outbound Feeler: short-lived, for testing addresses"),
tr("Outbound Address Fetch: short-lived, for soliciting addresses")};
const QString list{"<ul><li>" + Join(CONNECTION_TYPE_DOC, QString("</li><li>")) + "</li></ul>"};
ui->peerConnectionTypeLabel->setToolTip(ui->peerConnectionTypeLabel->toolTip().arg(list));
ui->dataDir->setToolTip(ui->dataDir->toolTip().arg(QString(nonbreaking_hyphen) + "datadir"));
ui->blocksDir->setToolTip(ui->blocksDir->toolTip().arg(QString(nonbreaking_hyphen) + "blocksdir"));
ui->openDebugLogfileButton->setToolTip(ui->openDebugLogfileButton->toolTip().arg(PACKAGE_NAME));
if (platformStyle->getImagesOnButtons()) {
ui->openDebugLogfileButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
}
ui->clearButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
ui->fontBiggerButton->setIcon(platformStyle->SingleColorIcon(":/icons/fontbigger"));
ui->fontSmallerButton->setIcon(platformStyle->SingleColorIcon(":/icons/fontsmaller"));
// Install event filter for up and down arrow
ui->lineEdit->installEventFilter(this);
ui->lineEdit->setMaxLength(16 * 1024 * 1024);
ui->messagesWidget->installEventFilter(this);
connect(ui->clearButton, &QPushButton::clicked, this, &RPCConsole::clear);
connect(ui->fontBiggerButton, &QPushButton::clicked, this, &RPCConsole::fontBigger);
connect(ui->fontSmallerButton, &QPushButton::clicked, this, &RPCConsole::fontSmaller);
connect(ui->btnClearTrafficGraph, &QPushButton::clicked, ui->trafficGraph, &TrafficGraphWidget::clear);
// disable the wallet selector by default
ui->WalletSelector->setVisible(false);
ui->WalletSelectorLabel->setVisible(false);
// Register RPC timer interface
rpcTimerInterface = new QtRPCTimerInterface();
// avoid accidentally overwriting an existing, non QTThread
// based timer interface
m_node.rpcSetTimerInterfaceIfUnset(rpcTimerInterface);
setTrafficGraphRange(INITIAL_TRAFFIC_GRAPH_MINS);
updateDetailWidget();
consoleFontSize = settings.value(fontSizeSettingsKey, QFont().pointSize()).toInt();
clear();
GUIUtil::handleCloseWindowShortcut(this);
}
RPCConsole::~RPCConsole()
{
QSettings settings;
settings.setValue("RPCConsoleWindowGeometry", saveGeometry());
settings.setValue("PeersTabSplitterSizes", ui->splitter->saveState());
m_node.rpcUnsetTimerInterface(rpcTimerInterface);
delete rpcTimerInterface;
delete ui;
}
bool RPCConsole::eventFilter(QObject* obj, QEvent *event)
{
if(event->type() == QEvent::KeyPress) // Special key handling
{
QKeyEvent *keyevt = static_cast<QKeyEvent*>(event);
int key = keyevt->key();
Qt::KeyboardModifiers mod = keyevt->modifiers();
switch(key)
{
case Qt::Key_Up: if(obj == ui->lineEdit) { browseHistory(-1); return true; } break;
case Qt::Key_Down: if(obj == ui->lineEdit) { browseHistory(1); return true; } break;
case Qt::Key_PageUp: /* pass paging keys to messages widget */
case Qt::Key_PageDown:
if(obj == ui->lineEdit)
{
QApplication::postEvent(ui->messagesWidget, new QKeyEvent(*keyevt));
return true;
}
break;
case Qt::Key_Return:
case Qt::Key_Enter:
// forward these events to lineEdit
if(obj == autoCompleter->popup()) {
QApplication::postEvent(ui->lineEdit, new QKeyEvent(*keyevt));
autoCompleter->popup()->hide();
return true;
}
break;
default:
// Typing in messages widget brings focus to line edit, and redirects key there
// Exclude most combinations and keys that emit no text, except paste shortcuts
if(obj == ui->messagesWidget && (
(!mod && !keyevt->text().isEmpty() && key != Qt::Key_Tab) ||
((mod & Qt::ControlModifier) && key == Qt::Key_V) ||
((mod & Qt::ShiftModifier) && key == Qt::Key_Insert)))
{
ui->lineEdit->setFocus();
QApplication::postEvent(ui->lineEdit, new QKeyEvent(*keyevt));
return true;
}
}
}
return QWidget::eventFilter(obj, event);
}
void RPCConsole::setClientModel(ClientModel *model, int bestblock_height, int64_t bestblock_date, double verification_progress)
{
clientModel = model;
bool wallet_enabled{false};
#ifdef ENABLE_WALLET
wallet_enabled = WalletModel::isWalletEnabled();
#endif // ENABLE_WALLET
if (model && !wallet_enabled) {
// Show warning, for example if this is a prerelease version
connect(model, &ClientModel::alertsChanged, this, &RPCConsole::updateAlerts);
updateAlerts(model->getStatusBarWarnings());
}
ui->trafficGraph->setClientModel(model);
if (model && clientModel->getPeerTableModel() && clientModel->getBanTableModel()) {
// Keep up to date with client
setNumConnections(model->getNumConnections());
connect(model, &ClientModel::numConnectionsChanged, this, &RPCConsole::setNumConnections);
setNumBlocks(bestblock_height, QDateTime::fromTime_t(bestblock_date), verification_progress, false);
connect(model, &ClientModel::numBlocksChanged, this, &RPCConsole::setNumBlocks);
updateNetworkState();
connect(model, &ClientModel::networkActiveChanged, this, &RPCConsole::setNetworkActive);
interfaces::Node& node = clientModel->node();
updateTrafficStats(node.getTotalBytesRecv(), node.getTotalBytesSent());
connect(model, &ClientModel::bytesChanged, this, &RPCConsole::updateTrafficStats);
connect(model, &ClientModel::mempoolSizeChanged, this, &RPCConsole::setMempoolSize);
// set up peer table
ui->peerWidget->setModel(model->getPeerTableModel());
ui->peerWidget->verticalHeader()->hide();
ui->peerWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
ui->peerWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
ui->peerWidget->setSelectionMode(QAbstractItemView::ExtendedSelection);
ui->peerWidget->setContextMenuPolicy(Qt::CustomContextMenu);
ui->peerWidget->setColumnWidth(PeerTableModel::Address, ADDRESS_COLUMN_WIDTH);
ui->peerWidget->setColumnWidth(PeerTableModel::Subversion, SUBVERSION_COLUMN_WIDTH);
ui->peerWidget->setColumnWidth(PeerTableModel::Ping, PING_COLUMN_WIDTH);
ui->peerWidget->horizontalHeader()->setStretchLastSection(true);
// create peer table context menu actions
QAction* disconnectAction = new QAction(tr("&Disconnect"), this);
QAction* banAction1h = new QAction(tr("Ban for") + " " + tr("1 &hour"), this);
QAction* banAction24h = new QAction(tr("Ban for") + " " + tr("1 &day"), this);
QAction* banAction7d = new QAction(tr("Ban for") + " " + tr("1 &week"), this);
QAction* banAction365d = new QAction(tr("Ban for") + " " + tr("1 &year"), this);
// create peer table context menu
peersTableContextMenu = new QMenu(this);
peersTableContextMenu->addAction(disconnectAction);
peersTableContextMenu->addAction(banAction1h);
peersTableContextMenu->addAction(banAction24h);
peersTableContextMenu->addAction(banAction7d);
peersTableContextMenu->addAction(banAction365d);
connect(banAction1h, &QAction::triggered, [this] { banSelectedNode(60 * 60); });
connect(banAction24h, &QAction::triggered, [this] { banSelectedNode(60 * 60 * 24); });
connect(banAction7d, &QAction::triggered, [this] { banSelectedNode(60 * 60 * 24 * 7); });
connect(banAction365d, &QAction::triggered, [this] { banSelectedNode(60 * 60 * 24 * 365); });
// peer table context menu signals
connect(ui->peerWidget, &QTableView::customContextMenuRequested, this, &RPCConsole::showPeersTableContextMenu);
connect(disconnectAction, &QAction::triggered, this, &RPCConsole::disconnectSelectedNode);
// peer table signal handling - update peer details when selecting new node
connect(ui->peerWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &RPCConsole::updateDetailWidget);
// peer table signal handling - update peer details when new nodes are added to the model
connect(model->getPeerTableModel(), &PeerTableModel::layoutChanged, this, &RPCConsole::peerLayoutChanged);
// peer table signal handling - cache selected node ids
connect(model->getPeerTableModel(), &PeerTableModel::layoutAboutToBeChanged, this, &RPCConsole::peerLayoutAboutToChange);
// set up ban table
ui->banlistWidget->setModel(model->getBanTableModel());
ui->banlistWidget->verticalHeader()->hide();
ui->banlistWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
ui->banlistWidget->setSelectionBehavior(QAbstractItemView::SelectRows);
ui->banlistWidget->setSelectionMode(QAbstractItemView::SingleSelection);
ui->banlistWidget->setContextMenuPolicy(Qt::CustomContextMenu);
ui->banlistWidget->setColumnWidth(BanTableModel::Address, BANSUBNET_COLUMN_WIDTH);
ui->banlistWidget->setColumnWidth(BanTableModel::Bantime, BANTIME_COLUMN_WIDTH);
ui->banlistWidget->horizontalHeader()->setStretchLastSection(true);
// create ban table context menu action
QAction* unbanAction = new QAction(tr("&Unban"), this);
// create ban table context menu
banTableContextMenu = new QMenu(this);
banTableContextMenu->addAction(unbanAction);
// ban table context menu signals
connect(ui->banlistWidget, &QTableView::customContextMenuRequested, this, &RPCConsole::showBanTableContextMenu);
connect(unbanAction, &QAction::triggered, this, &RPCConsole::unbanSelectedNode);
// ban table signal handling - clear peer details when clicking a peer in the ban table
connect(ui->banlistWidget, &QTableView::clicked, this, &RPCConsole::clearSelectedNode);
// ban table signal handling - ensure ban table is shown or hidden (if empty)
connect(model->getBanTableModel(), &BanTableModel::layoutChanged, this, &RPCConsole::showOrHideBanTableIfRequired);
showOrHideBanTableIfRequired();
// Provide initial values
ui->clientVersion->setText(model->formatFullVersion());
ui->clientUserAgent->setText(model->formatSubVersion());
ui->dataDir->setText(model->dataDir());
ui->blocksDir->setText(model->blocksDir());
ui->startupTime->setText(model->formatClientStartupTime());
ui->networkName->setText(QString::fromStdString(Params().NetworkIDString()));
//Setup autocomplete and attach it
QStringList wordList;
std::vector<std::string> commandList = m_node.listRpcCommands();
for (size_t i = 0; i < commandList.size(); ++i)
{
wordList << commandList[i].c_str();
wordList << ("help " + commandList[i]).c_str();
}
wordList << "help-console";
wordList.sort();
autoCompleter = new QCompleter(wordList, this);
autoCompleter->setModelSorting(QCompleter::CaseSensitivelySortedModel);
// ui->lineEdit is initially disabled because running commands is only
// possible from now on.
ui->lineEdit->setEnabled(true);
ui->lineEdit->setCompleter(autoCompleter);
autoCompleter->popup()->installEventFilter(this);
// Start thread to execute RPC commands.
startExecutor();
}
if (!model) {
// Client model is being set to 0, this means shutdown() is about to be called.
thread.quit();
thread.wait();
}
}
#ifdef ENABLE_WALLET
void RPCConsole::addWallet(WalletModel * const walletModel)
{
// use name for text and wallet model for internal data object (to allow to move to a wallet id later)
ui->WalletSelector->addItem(walletModel->getDisplayName(), QVariant::fromValue(walletModel));
if (ui->WalletSelector->count() == 2 && !isVisible()) {
// First wallet added, set to default so long as the window isn't presently visible (and potentially in use)
ui->WalletSelector->setCurrentIndex(1);
}
if (ui->WalletSelector->count() > 2) {
ui->WalletSelector->setVisible(true);
ui->WalletSelectorLabel->setVisible(true);
}
}
void RPCConsole::removeWallet(WalletModel * const walletModel)
{
ui->WalletSelector->removeItem(ui->WalletSelector->findData(QVariant::fromValue(walletModel)));
if (ui->WalletSelector->count() == 2) {
ui->WalletSelector->setVisible(false);
ui->WalletSelectorLabel->setVisible(false);
}
}
#endif
static QString categoryClass(int category)
{
switch(category)
{
case RPCConsole::CMD_REQUEST: return "cmd-request"; break;
case RPCConsole::CMD_REPLY: return "cmd-reply"; break;
case RPCConsole::CMD_ERROR: return "cmd-error"; break;
default: return "misc";
}
}
void RPCConsole::fontBigger()
{
setFontSize(consoleFontSize+1);
}
void RPCConsole::fontSmaller()
{
setFontSize(consoleFontSize-1);
}
void RPCConsole::setFontSize(int newSize)
{
QSettings settings;
//don't allow an insane font size
if (newSize < FONT_RANGE.width() || newSize > FONT_RANGE.height())
return;
// temp. store the console content
QString str = ui->messagesWidget->toHtml();
// replace font tags size in current content
str.replace(QString("font-size:%1pt").arg(consoleFontSize), QString("font-size:%1pt").arg(newSize));
// store the new font size
consoleFontSize = newSize;
settings.setValue(fontSizeSettingsKey, consoleFontSize);
// clear console (reset icon sizes, default stylesheet) and re-add the content
float oldPosFactor = 1.0 / ui->messagesWidget->verticalScrollBar()->maximum() * ui->messagesWidget->verticalScrollBar()->value();
clear(false);
ui->messagesWidget->setHtml(str);
ui->messagesWidget->verticalScrollBar()->setValue(oldPosFactor * ui->messagesWidget->verticalScrollBar()->maximum());
}
void RPCConsole::clear(bool clearHistory)
{
ui->messagesWidget->clear();
if(clearHistory)
{
history.clear();
historyPtr = 0;
}
ui->lineEdit->clear();
ui->lineEdit->setFocus();
// Add smoothly scaled icon images.
// (when using width/height on an img, Qt uses nearest instead of linear interpolation)
for(int i=0; ICON_MAPPING[i].url; ++i)
{
ui->messagesWidget->document()->addResource(
QTextDocument::ImageResource,
QUrl(ICON_MAPPING[i].url),
platformStyle->SingleColorImage(ICON_MAPPING[i].source).scaled(QSize(consoleFontSize*2, consoleFontSize*2), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
}
// Set default style sheet
QFontInfo fixedFontInfo(GUIUtil::fixedPitchFont());
ui->messagesWidget->document()->setDefaultStyleSheet(
QString(
"table { }"
"td.time { color: #808080; font-size: %2; padding-top: 3px; } "
"td.message { font-family: %1; font-size: %2; white-space:pre-wrap; } "
"td.cmd-request { color: #006060; } "
"td.cmd-error { color: red; } "
".secwarning { color: red; }"
"b { color: #006060; } "
).arg(fixedFontInfo.family(), QString("%1pt").arg(consoleFontSize))
);
#ifdef Q_OS_MAC
QString clsKey = "(⌘)-L";
#else
QString clsKey = "Ctrl-L";
#endif
message(CMD_REPLY, (tr("Welcome to the %1 RPC console.").arg(PACKAGE_NAME) + "<br>" +
tr("Use up and down arrows to navigate history, and %1 to clear screen.").arg("<b>"+clsKey+"</b>") + "<br>" +
tr("Type %1 for an overview of available commands.").arg("<b>help</b>") + "<br>" +
tr("For more information on using this console type %1.").arg("<b>help-console</b>") +
"<br><span class=\"secwarning\"><br>" +
tr("WARNING: Scammers have been active, telling users to type commands here, stealing their wallet contents. Do not use this console without fully understanding the ramifications of a command.") +
"</span>"),
true);
}
void RPCConsole::keyPressEvent(QKeyEvent *event)
{
if(windowType() != Qt::Widget && event->key() == Qt::Key_Escape)
{
close();
}
}
void RPCConsole::message(int category, const QString &message, bool html)
{
QTime time = QTime::currentTime();
QString timeString = time.toString();
QString out;
out += "<table><tr><td class=\"time\" width=\"65\">" + timeString + "</td>";
out += "<td class=\"icon\" width=\"32\"><img src=\"" + categoryClass(category) + "\"></td>";
out += "<td class=\"message " + categoryClass(category) + "\" valign=\"middle\">";
if(html)
out += message;
else
out += GUIUtil::HtmlEscape(message, false);
out += "</td></tr></table>";
ui->messagesWidget->append(out);
}
void RPCConsole::updateNetworkState()
{
QString connections = QString::number(clientModel->getNumConnections()) + " (";
connections += tr("In:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_IN)) + " / ";
connections += tr("Out:") + " " + QString::number(clientModel->getNumConnections(CONNECTIONS_OUT)) + ")";
if(!clientModel->node().getNetworkActive()) {
connections += " (" + tr("Network activity disabled") + ")";
}
ui->numberOfConnections->setText(connections);
}
void RPCConsole::setNumConnections(int count)
{
if (!clientModel)
return;
updateNetworkState();
}
void RPCConsole::setNetworkActive(bool networkActive)
{
updateNetworkState();
}
void RPCConsole::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool headers)
{
if (!headers) {
ui->numberOfBlocks->setText(QString::number(count));
ui->lastBlockTime->setText(blockDate.toString());
}
}
void RPCConsole::setMempoolSize(long numberOfTxs, size_t dynUsage)
{
ui->mempoolNumberTxs->setText(QString::number(numberOfTxs));
if (dynUsage < 1000000)
ui->mempoolSize->setText(QString::number(dynUsage/1000.0, 'f', 2) + " KB");
else
ui->mempoolSize->setText(QString::number(dynUsage/1000000.0, 'f', 2) + " MB");
}
void RPCConsole::on_lineEdit_returnPressed()
{
QString cmd = ui->lineEdit->text();
if(!cmd.isEmpty())
{
std::string strFilteredCmd;
try {
std::string dummy;
if (!RPCParseCommandLine(nullptr, dummy, cmd.toStdString(), false, &strFilteredCmd)) {
// Failed to parse command, so we cannot even filter it for the history
throw std::runtime_error("Invalid command line");
}
} catch (const std::exception& e) {
QMessageBox::critical(this, "Error", QString("Error: ") + QString::fromStdString(e.what()));
return;
}
ui->lineEdit->clear();
cmdBeforeBrowsing = QString();
#ifdef ENABLE_WALLET
WalletModel* wallet_model = ui->WalletSelector->currentData().value<WalletModel*>();
if (m_last_wallet_model != wallet_model) {
if (wallet_model) {
message(CMD_REQUEST, tr("Executing command using \"%1\" wallet").arg(wallet_model->getWalletName()));
} else {
message(CMD_REQUEST, tr("Executing command without any wallet"));
}
m_last_wallet_model = wallet_model;
}
#endif
message(CMD_REQUEST, QString::fromStdString(strFilteredCmd));
Q_EMIT cmdRequest(cmd, m_last_wallet_model);
cmd = QString::fromStdString(strFilteredCmd);
// Remove command, if already in history
history.removeOne(cmd);
// Append command to history
history.append(cmd);
// Enforce maximum history size
while(history.size() > CONSOLE_HISTORY)
history.removeFirst();
// Set pointer to end of history
historyPtr = history.size();
// Scroll console view to end
scrollToEnd();
}
}
void RPCConsole::browseHistory(int offset)
{
// store current text when start browsing through the history
if (historyPtr == history.size()) {
cmdBeforeBrowsing = ui->lineEdit->text();
}
historyPtr += offset;
if(historyPtr < 0)
historyPtr = 0;
if(historyPtr > history.size())
historyPtr = history.size();
QString cmd;
if(historyPtr < history.size())
cmd = history.at(historyPtr);
else if (!cmdBeforeBrowsing.isNull()) {
cmd = cmdBeforeBrowsing;
}
ui->lineEdit->setText(cmd);
}
void RPCConsole::startExecutor()
{
RPCExecutor *executor = new RPCExecutor(m_node);
executor->moveToThread(&thread);
// Replies from executor object must go to this object
connect(executor, &RPCExecutor::reply, this, static_cast<void (RPCConsole::*)(int, const QString&)>(&RPCConsole::message));
// Requests from this object must go to executor
connect(this, &RPCConsole::cmdRequest, executor, &RPCExecutor::request);
// Make sure executor object is deleted in its own thread
connect(&thread, &QThread::finished, executor, &RPCExecutor::deleteLater);
// Default implementation of QThread::run() simply spins up an event loop in the thread,
// which is what we want.
thread.start();
QTimer::singleShot(0, executor, []() {
util::ThreadRename("qt-rpcconsole");
});
}
void RPCConsole::on_tabWidget_currentChanged(int index)
{
if (ui->tabWidget->widget(index) == ui->tab_console) {