def __init__(self, network, config, parent): QDialog.__init__(self,parent) self.setModal(1) self.setWindowTitle(_('Network')) self.setMinimumSize(375, 20) self.network = network self.config = config self.protocol = None self.active_chain = get_chain_instance(self.config.get_active_chain_code()) self.servers = network.get_servers() host, port, protocol, proxy_config, auto_connect = network.get_parameters() if not proxy_config: proxy_config = { "mode":"none", "host":"localhost", "port":"8080"} if parent: n = len(network.get_interfaces()) if n: status = _("Blockchain") + ": " + "%d "%(network.get_local_height()) + _("blocks") + ".\n" + _("Getting block headers from %d nodes.")%n else: status = _("Not connected") if network.is_connected(): status += "\n" + _("Server") + ": %s"%(host) else: status += "\n" + _("Disconnected from server") else: status = _("Please choose a server.") + "\n" + _("Select 'Cancel' if you are offline.") vbox = QVBoxLayout() vbox.setSpacing(30) hbox = QHBoxLayout() l = QLabel() l.setPixmap(QPixmap(":icons/network.png")) hbox.addStretch(10) hbox.addWidget(l) hbox.addWidget(QLabel(status)) hbox.addStretch(50) msg = _("Encompass sends your wallet addresses to a single server, in order to receive your transaction history.") + "\n\n" \ + _("In addition, Encompass connects to several nodes in order to download block headers and find out the longest blockchain.") + " " \ + _("This blockchain is used to verify the transactions sent by the address server.") hbox.addWidget(HelpButton(msg)) vbox.addLayout(hbox) # grid layout grid = QGridLayout() grid.setSpacing(8) vbox.addLayout(grid) # protocol self.use_ssl_box = QCheckBox("Use SSL") self.server_host = QLineEdit() self.server_host.setFixedWidth(200) self.server_port = QLineEdit() self.server_port.setFixedWidth(60) self.use_ssl_box.setChecked(protocol == 's') self.use_ssl_box.stateChanged.connect(self.change_protocol) grid.addWidget(QLabel(_('Protocol') + ':'), 3, 0) grid.addWidget(self.use_ssl_box, 3, 1) # server grid.addWidget(QLabel(_('Server') + ':'), 0, 0) # auto connect self.autocycle_cb = QCheckBox(_('Auto-connect')) self.autocycle_cb.setChecked(auto_connect) grid.addWidget(self.autocycle_cb, 0, 1) if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False) msg = _("If auto-connect is enabled, Encompass will always use a server that is on the longest blockchain.") + " " \ + _("If it is disabled, Encompass will warn you if your server is lagging.") grid.addWidget(HelpButton(msg), 0, 4) grid.addWidget(self.server_host, 0, 2, 1, 2) grid.addWidget(self.server_port, 0, 3) label = _('Active Servers') if network.is_connected() else _('Default Servers') self.servers_list_widget = QTreeWidget(parent) self.servers_list_widget.setHeaderLabels( [ label, _('Limit') ] ) self.servers_list_widget.setMaximumHeight(150) self.servers_list_widget.setColumnWidth(0, 240) self.change_server(host, protocol) self.set_protocol(protocol) self.servers_list_widget.connect(self.servers_list_widget, SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'), lambda x,y: self.server_changed(x)) grid.addWidget(self.servers_list_widget, 1, 1, 1, 3) if not config.is_modifiable('server'): for w in [self.server_host, self.server_port, self.use_ssl_box, self.servers_list_widget]: w.setEnabled(False) def enable_set_server(): enabled = not self.autocycle_cb.isChecked() self.server_host.setEnabled(enabled) self.server_port.setEnabled(enabled) self.servers_list_widget.setEnabled(enabled) self.autocycle_cb.clicked.connect(enable_set_server) enable_set_server() # proxy setting self.proxy_mode = QComboBox() self.proxy_host = QLineEdit() self.proxy_host.setFixedWidth(200) self.proxy_port = QLineEdit() self.proxy_port.setFixedWidth(60) self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP']) def check_for_disable(index = False): if self.proxy_mode.currentText() != 'NONE': self.proxy_host.setEnabled(True) self.proxy_port.setEnabled(True) else: self.proxy_host.setEnabled(False) self.proxy_port.setEnabled(False) check_for_disable() self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable) if not self.config.is_modifiable('proxy'): for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False) self.proxy_mode.setCurrentIndex(self.proxy_mode.findText(str(proxy_config.get("mode").upper()))) self.proxy_host.setText(proxy_config.get("host")) self.proxy_port.setText(proxy_config.get("port")) grid.addWidget(QLabel(_('Proxy') + ':'), 4, 0) grid.addWidget(self.proxy_mode, 4, 1) grid.addWidget(self.proxy_host, 4, 2) grid.addWidget(self.proxy_port, 4, 3) # buttons vbox.addLayout(ok_cancel_buttons(self)) self.setLayout(vbox)
def __init__(self, network, config, parent): QDialog.__init__(self, parent) self.setModal(1) self.setWindowTitle(_('Network')) self.setMinimumSize(375, 20) self.network = network self.config = config self.protocol = None self.active_chain = get_chain_instance( self.config.get_active_chain_code()) self.servers = network.get_servers() host, port, protocol, proxy_config, auto_connect = network.get_parameters( ) if not proxy_config: proxy_config = { "mode": "none", "host": "localhost", "port": "8080" } if parent: n = len(network.get_interfaces()) if n: status = _("Blockchain") + ": " + "%d " % ( network.get_local_height()) + _("blocks") + ".\n" + _( "Getting block headers from %d nodes.") % n else: status = _("Not connected") if network.is_connected(): status += "\n" + _("Server") + ": %s" % (host) else: status += "\n" + _("Disconnected from server") else: status = _("Please choose a server.") + "\n" + _( "Select 'Cancel' if you are offline.") vbox = QVBoxLayout() vbox.setSpacing(30) hbox = QHBoxLayout() l = QLabel() l.setPixmap(QPixmap(":icons/network.png")) hbox.addStretch(10) hbox.addWidget(l) hbox.addWidget(QLabel(status)) hbox.addStretch(50) msg = _("Encompass sends your wallet addresses to a single server, in order to receive your transaction history.") + "\n\n" \ + _("In addition, Encompass connects to several nodes in order to download block headers and find out the longest blockchain.") + " " \ + _("This blockchain is used to verify the transactions sent by the address server.") hbox.addWidget(HelpButton(msg)) vbox.addLayout(hbox) # grid layout grid = QGridLayout() grid.setSpacing(8) vbox.addLayout(grid) # protocol self.use_ssl_box = QCheckBox("Use SSL") self.server_host = QLineEdit() self.server_host.setFixedWidth(200) self.server_port = QLineEdit() self.server_port.setFixedWidth(60) self.use_ssl_box.setChecked(protocol == 's') self.use_ssl_box.stateChanged.connect(self.change_protocol) grid.addWidget(QLabel(_('Protocol') + ':'), 3, 0) grid.addWidget(self.use_ssl_box, 3, 1) # server grid.addWidget(QLabel(_('Server') + ':'), 0, 0) # auto connect self.autocycle_cb = QCheckBox(_('Auto-connect')) self.autocycle_cb.setChecked(auto_connect) grid.addWidget(self.autocycle_cb, 0, 1) if not self.config.is_modifiable('auto_cycle'): self.autocycle_cb.setEnabled(False) msg = _("If auto-connect is enabled, Encompass will always use a server that is on the longest blockchain.") + " " \ + _("If it is disabled, Encompass will warn you if your server is lagging.") grid.addWidget(HelpButton(msg), 0, 4) grid.addWidget(self.server_host, 0, 2, 1, 2) grid.addWidget(self.server_port, 0, 3) label = _('Active Servers') if network.is_connected() else _( 'Default Servers') self.servers_list_widget = QTreeWidget(parent) self.servers_list_widget.setHeaderLabels([label, _('Limit')]) self.servers_list_widget.setMaximumHeight(150) self.servers_list_widget.setColumnWidth(0, 240) self.change_server(host, protocol) self.set_protocol(protocol) self.servers_list_widget.connect( self.servers_list_widget, SIGNAL('currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)'), lambda x, y: self.server_changed(x)) grid.addWidget(self.servers_list_widget, 1, 1, 1, 3) if not config.is_modifiable('server'): for w in [ self.server_host, self.server_port, self.use_ssl_box, self.servers_list_widget ]: w.setEnabled(False) def enable_set_server(): enabled = not self.autocycle_cb.isChecked() self.server_host.setEnabled(enabled) self.server_port.setEnabled(enabled) self.servers_list_widget.setEnabled(enabled) self.autocycle_cb.clicked.connect(enable_set_server) enable_set_server() # proxy setting self.proxy_mode = QComboBox() self.proxy_host = QLineEdit() self.proxy_host.setFixedWidth(200) self.proxy_port = QLineEdit() self.proxy_port.setFixedWidth(60) self.proxy_mode.addItems(['NONE', 'SOCKS4', 'SOCKS5', 'HTTP']) def check_for_disable(index=False): if self.proxy_mode.currentText() != 'NONE': self.proxy_host.setEnabled(True) self.proxy_port.setEnabled(True) else: self.proxy_host.setEnabled(False) self.proxy_port.setEnabled(False) check_for_disable() self.proxy_mode.connect(self.proxy_mode, SIGNAL('currentIndexChanged(int)'), check_for_disable) if not self.config.is_modifiable('proxy'): for w in [self.proxy_host, self.proxy_port, self.proxy_mode]: w.setEnabled(False) self.proxy_mode.setCurrentIndex( self.proxy_mode.findText(str(proxy_config.get("mode").upper()))) self.proxy_host.setText(proxy_config.get("host")) self.proxy_port.setText(proxy_config.get("port")) grid.addWidget(QLabel(_('Proxy') + ':'), 4, 0) grid.addWidget(self.proxy_mode, 4, 1) grid.addWidget(self.proxy_host, 4, 2) grid.addWidget(self.proxy_port, 4, 3) # buttons vbox.addLayout(ok_cancel_buttons(self)) self.setLayout(vbox)
basepath = os.path.join(user_dir(), 'blockchain_headers_') def test_checkpoints(chain): """Test all of chain's checkpoints. Returns: is_ok, (failed_checkpoint_height, checkpoint_hash, stored_data_hash) """ filename = ''.join([ basepath, chain.code.lower() ]) chain.set_headers_path(filename) for height, block_hash in chain.checkpoints.items(): stored_header = chain.read_header(height) if not stored_header: print(" [{}] Skipping block I don't have data for: {}".format(chain.code, height)) continue stored_data_hash = chain.hash_header(stored_header) if block_hash != stored_data_hash: return False, (height, block_hash, stored_data_hash) return True, None if __name__ == '__main__': for c in chainparams.known_chain_codes: chain = chainparams.get_chain_instance(c) is_ok, fail_data = test_checkpoints(chain) if not is_ok: print('{} FAILED: Checkpoint at height {} does not match data!'.format(c, fail_data[0])) print(' Checkpoint hash : {}\n Stored data hash: {}'.format(fail_data[1], fail_data[2])) else: print('{} passed.'.format(c))