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))
