def send_request(self, method, relative_url, data=None, *, timeout=None):
network = Network.get_instance()
if not network:
raise ErrorConnectingServer('You are offline.')
url = urljoin(self.base_url, relative_url)
if self.debug:
self.logger.debug(f'<-- {method} {url} {data}')
headers = {}
if self.user_agent:
headers['user-agent'] = self.user_agent
try:
if method == 'get':
response = Network.send_http_on_proxy(method, url,
params=data,
headers=headers,
on_finish=self.handle_response,
timeout=timeout)
elif method == 'post':
response = Network.send_http_on_proxy(method, url,
json=data,
headers=headers,
on_finish=self.handle_response,
timeout=timeout)
else:
assert False
except TrustedCoinException:
raise
except Exception as e:
raise ErrorConnectingServer(e)
else:
if self.debug:
self.logger.debug(f'--> {response}')
return response
async def do_get(self, url="/labels"):
url = 'https://' + self.target_host + url
network = Network.get_instance()
proxy = network.proxy if network else None
async with make_aiohttp_session(proxy) as session:
async with session.get(url) as result:
return await result.json()
def __init__(self, config: 'SimpleConfig', exctype, value, tb):
BaseCrashReporter.__init__(self, exctype, value, tb)
self.network = Network.get_instance()
self.config = config
QWidget.__init__(self)
self.setWindowTitle('ElectrumSys - ' + _('An Error Occurred'))
self.setMinimumSize(600, 300)
Logger.__init__(self)
main_box = QVBoxLayout()
heading = QLabel('<h2>' + BaseCrashReporter.CRASH_TITLE + '</h2>')
main_box.addWidget(heading)
main_box.addWidget(QLabel(BaseCrashReporter.CRASH_MESSAGE))
main_box.addWidget(QLabel(BaseCrashReporter.REQUEST_HELP_MESSAGE))
collapse_info = QPushButton(_("Show report contents"))
collapse_info.clicked.connect(
lambda: self.msg_box(QMessageBox.NoIcon,
self,
_("Report contents"),
self.get_report_string(),
rich_text=True))
main_box.addWidget(collapse_info)
main_box.addWidget(QLabel(BaseCrashReporter.DESCRIBE_ERROR_MESSAGE))
self.description_textfield = QTextEdit()
self.description_textfield.setFixedHeight(50)
self.description_textfield.setPlaceholderText(
self.USER_COMMENT_PLACEHOLDER)
main_box.addWidget(self.description_textfield)
main_box.addWidget(QLabel(BaseCrashReporter.ASK_CONFIRM_SEND))
buttons = QHBoxLayout()
report_button = QPushButton(_('Send Bug Report'))
report_button.clicked.connect(self.send_report)
report_button.setIcon(read_QIcon("tab_send.png"))
buttons.addWidget(report_button)
never_button = QPushButton(_('Never'))
never_button.clicked.connect(self.show_never)
buttons.addWidget(never_button)
close_button = QPushButton(_('Not Now'))
close_button.clicked.connect(self.close)
buttons.addWidget(close_button)
main_box.addLayout(buttons)
self.setLayout(main_box)
self.show()
async def do_post(self, url="/labels", data=None):
url = 'https://' + self.target_host + url
network = Network.get_instance()
proxy = network.proxy if network else None
async with make_aiohttp_session(proxy) as session:
async with session.post(url, json=data) as result:
try:
return await result.json()
except Exception as e:
raise Exception('Could not decode: ' +
await result.text()) from e
def comserver_post_notification(self, payload):
assert self.is_mobile_paired(), "unexpected mobile pairing error"
url = 'https://digitalbitbox.com/smartverification/index.php'
key_s = base64.b64decode(
self.digitalbitbox_config[ENCRYPTION_PRIVKEY_KEY])
args = 'c=data&s=0&dt=0&uuid=%s&pl=%s' % (
self.digitalbitbox_config[CHANNEL_ID_KEY],
EncodeAES_base64(
key_s,
json.dumps(payload).encode('ascii')).decode('ascii'),
)
try:
text = Network.send_http_on_proxy(
'post',
url,
body=args.encode('ascii'),
headers={'content-type': 'application/x-www-form-urlencoded'})
_logger.info(f'digitalbitbox reply from server {text}')
except Exception as e:
self.handler.show_error(
repr(e)) # repr because str(Exception()) == ''
#!/usr/bin/env python3
import asyncio
from electrumsys.network import filter_protocol, Network
from electrumsys.util import create_and_start_event_loop, log_exceptions
from electrumsys.blockchain import hash_raw_header
from electrumsys.simple_config import SimpleConfig
config = SimpleConfig()
loop, stopping_fut, loop_thread = create_and_start_event_loop()
network = Network(config)
network.start()
@log_exceptions
async def f():
try:
peers = await network.get_peers()
peers = filter_protocol(peers)
results = await network.send_multiple_requests(
peers, 'blockchain.headers.subscribe', [])
for server, header in sorted(results.items(),
key=lambda x: x[1].get('height')):
height = header.get('height')
blockhash = hash_raw_header(header.get('hex'))
print(server, height, blockhash)
finally:
stopping_fut.set_result(1)
def __init__(self):
QThread.__init__(self)
Logger.__init__(self)
self.network = Network.get_instance()
def update(self, *, network: Network, servers: dict, use_tor: bool):
self.clear()
# connected servers
connected_servers_item = QTreeWidgetItem([_("Connected nodes"), ''])
connected_servers_item.setData(0, self.ITEMTYPE_ROLE,
self.ItemType.TOPLEVEL)
chains = network.get_blockchains()
n_chains = len(chains)
for chain_id, interfaces in chains.items():
b = blockchain.blockchains.get(chain_id)
if b is None: continue
name = b.get_name()
if n_chains > 1:
x = QTreeWidgetItem(
[name + '@%d' % b.get_max_forkpoint(),
'%d' % b.height()])
x.setData(0, self.ITEMTYPE_ROLE, self.ItemType.CHAIN)
x.setData(0, self.CHAIN_ID_ROLE, b.get_id())
else:
x = connected_servers_item
for i in interfaces:
star = ' *' if i == network.interface else ''
item = QTreeWidgetItem(
[f"{i.server.to_friendly_name()}" + star,
'%d' % i.tip])
item.setData(0, self.ITEMTYPE_ROLE,
self.ItemType.CONNECTED_SERVER)
item.setData(0, self.SERVER_ADDR_ROLE, i.server)
item.setToolTip(0, str(i.server))
x.addChild(item)
if n_chains > 1:
connected_servers_item.addChild(x)
# disconnected servers
disconnected_servers_item = QTreeWidgetItem(
[_("Other known servers"), ""])
disconnected_servers_item.setData(0, self.ITEMTYPE_ROLE,
self.ItemType.TOPLEVEL)
connected_hosts = set(
[iface.host for ifaces in chains.values() for iface in ifaces])
protocol = PREFERRED_NETWORK_PROTOCOL
for _host, d in sorted(servers.items()):
if _host in connected_hosts:
continue
if _host.endswith('.onion') and not use_tor:
continue
port = d.get(protocol)
if port:
server = ServerAddr(_host, port, protocol=protocol)
item = QTreeWidgetItem([server.net_addr_str(), ""])
item.setData(0, self.ITEMTYPE_ROLE,
self.ItemType.DISCONNECTED_SERVER)
item.setData(0, self.SERVER_ADDR_ROLE, server)
disconnected_servers_item.addChild(item)
self.addTopLevelItem(connected_servers_item)
self.addTopLevelItem(disconnected_servers_item)
connected_servers_item.setExpanded(True)
for i in range(connected_servers_item.childCount()):
connected_servers_item.child(i).setExpanded(True)
disconnected_servers_item.setExpanded(True)
# headers
h = self.header()
h.setStretchLastSection(False)
h.setSectionResizeMode(0, QHeaderView.Stretch)
h.setSectionResizeMode(1, QHeaderView.ResizeToContents)
super().update()
def recovery(self):
network = Network.get_instance()
coroutine = account_discovery(network, self.get_account_xpub)
return network.run_from_another_thread(coroutine)
#!/usr/bin/env python3
# A simple script that connects to a server and displays block headers
import time
import asyncio
from electrumsys.network import Network
from electrumsys.util import print_msg, json_encode, create_and_start_event_loop, log_exceptions
from electrumsys.simple_config import SimpleConfig
config = SimpleConfig()
# start network
loop, stopping_fut, loop_thread = create_and_start_event_loop()
network = Network(config)
network.start()
# wait until connected
while not network.is_connected():
time.sleep(1)
print_msg("waiting for network to get connected...")
header_queue = asyncio.Queue()
@log_exceptions
async def f():
try:
await network.interface.session.subscribe(
'blockchain.headers.subscribe', [], header_queue)