def send_request(self, method, relative_url, data=None):
network = Network.get_instance()
if not network:
raise ErrorConnectingServer('You are offline.')
url = urljoin(self.base_url, relative_url)
if self.debug:
print('%s %s %s' % (method, url, data))
headers = {}
if self.user_agent:
headers['user-agent'] = self.user_agent
try:
if method == 'get':
return Network.send_http_on_proxy(
method,
url,
params=data,
headers=headers,
on_finish=self.handle_response)
elif method == 'post':
return Network.send_http_on_proxy(
method,
url,
json=data,
headers=headers,
on_finish=self.handle_response)
else:
assert False
except TrustedCoinException:
raise
except Exception as e:
raise ErrorConnectingServer(e)
def update(self, network: Network):
self.clear()
self.addChild = self.addTopLevelItem
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, Qt.UserRole, 1)
x.setData(1, Qt.UserRole, b.get_id())
else:
x = self
for i in interfaces:
star = ' *' if i == network.interface else ''
item = QTreeWidgetItem([i.host + star, '%d' % i.tip])
item.setData(0, Qt.UserRole, 0)
item.setData(1, Qt.UserRole, i.server)
x.addChild(item)
if n_chains > 1:
self.addTopLevelItem(x)
x.setExpanded(True)
h = self.header()
h.setStretchLastSection(False)
h.setSectionResizeMode(0, QHeaderView.Stretch)
h.setSectionResizeMode(1, QHeaderView.ResizeToContents)
super().update()
def do_verify(self, d):
tx = d.tx
wallet = d.wallet
window = d.main_window
if wallet.is_watching_only():
d.show_critical(
_('This feature is not available for watch-only wallets.'))
return
# 1. get the password and sign the verification request
password = None
if wallet.has_keystore_encryption():
msg = _('GreenAddress requires your signature \n'
'to verify that transaction is instant.\n'
'Please enter your password to sign a\n'
'verification request.')
password = window.password_dialog(msg, parent=d)
if not password:
return
try:
d.verify_button.setText(_('Verifying...'))
QApplication.processEvents() # update the button label
addr = self.get_my_addr(d)
message = "Please verify if %s is GreenAddress instant confirmed" % tx.txid(
)
sig = wallet.sign_message(addr, message, password)
sig = base64.b64encode(sig).decode('ascii')
# 2. send the request
async def handle_request(resp: 'ClientResponse'):
resp.raise_for_status()
return await resp.json()
url = "https://greenaddress.it/verify/?signature=%s&txhash=%s" % (
urllib.parse.quote(sig), tx.txid())
response = Network.send_http_on_proxy(
'get',
url,
headers={'User-Agent': 'Electrum'},
on_finish=handle_request)
# 3. display the result
if response.get('verified'):
d.show_message(
_('{} is covered by GreenAddress instant confirmation'
).format(tx.txid()),
title=_('Verification successful!'))
else:
d.show_warning(
_('{} is not covered by GreenAddress instant confirmation'
).format(tx.txid()),
title=_('Verification failed!'))
except BaseException as e:
import traceback
traceback.print_exc(file=sys.stdout)
d.show_error(str(e))
finally:
d.verify_button.setText(self.button_label)
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()
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'})
print_error('digitalbitbox reply from server', text)
except Exception as e:
self.handler.show_error(repr(e)) # repr because str(Exception()) == ''
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
#!/usr/bin/env python3
import sys
import asyncio
from electrum_exos.network import filter_protocol, Network
from electrum_exos.util import create_and_start_event_loop, log_exceptions
try:
txid = sys.argv[1]
except:
print("usage: txradar txid")
sys.exit(1)
loop, stopping_fut, loop_thread = create_and_start_event_loop()
network = Network()
network.start()
@log_exceptions
async def f():
try:
peers = await network.get_peers()
peers = filter_protocol(peers, 's')
results = await network.send_multiple_requests(
peers, 'blockchain.transaction.get', [txid])
r1, r2 = [], []
for k, v in results.items():
(r1 if not isinstance(v, Exception) else r2).append(k)
print(f"Received {len(results)} answers")
try:
propagation = len(r1) * 100. / (len(r1) + len(r2))
def __init__(self, network: Network, config, wizard=False):
self.network = network
self.config = config
self.protocol = None
self.tor_proxy = None
self.tabs = tabs = QTabWidget()
server_tab = QWidget()
proxy_tab = QWidget()
blockchain_tab = QWidget()
tabs.addTab(blockchain_tab, _('Overview'))
tabs.addTab(server_tab, _('Server'))
tabs.addTab(proxy_tab, _('Proxy'))
fixed_width_hostname = 24 * char_width_in_lineedit()
fixed_width_port = 6 * char_width_in_lineedit()
# server tab
grid = QGridLayout(server_tab)
grid.setSpacing(8)
self.server_host = QLineEdit()
self.server_host.setFixedWidth(fixed_width_hostname)
self.server_port = QLineEdit()
self.server_port.setFixedWidth(fixed_width_port)
self.autoconnect_cb = QCheckBox(_('Select server automatically'))
self.autoconnect_cb.setEnabled(
self.config.is_modifiable('auto_connect'))
self.server_host.editingFinished.connect(self.set_server)
self.server_port.editingFinished.connect(self.set_server)
self.autoconnect_cb.clicked.connect(self.set_server)
self.autoconnect_cb.clicked.connect(self.update)
msg = ' '.join([
_("If auto-connect is enabled, EXOS-Electrum will always use a server that is on the longest blockchain."
),
_("If it is disabled, you have to choose a server you want to use. EXOS-Electrum will warn you if your server is lagging."
)
])
grid.addWidget(self.autoconnect_cb, 0, 0, 1, 3)
grid.addWidget(HelpButton(msg), 0, 4)
grid.addWidget(QLabel(_('Server') + ':'), 1, 0)
grid.addWidget(self.server_host, 1, 1, 1, 2)
grid.addWidget(self.server_port, 1, 3)
label = _('Server peers') if network.is_connected() else _(
'Default Servers')
grid.addWidget(QLabel(label), 2, 0, 1, 5)
self.servers_list = ServerListWidget(self)
grid.addWidget(self.servers_list, 3, 0, 1, 5)
# Proxy tab
grid = QGridLayout(proxy_tab)
grid.setSpacing(8)
# proxy setting
self.proxy_cb = QCheckBox(_('Use proxy'))
self.proxy_cb.clicked.connect(self.check_disable_proxy)
self.proxy_cb.clicked.connect(self.set_proxy)
self.proxy_mode = QComboBox()
self.proxy_mode.addItems(['SOCKS4', 'SOCKS5'])
self.proxy_host = QLineEdit()
self.proxy_host.setFixedWidth(fixed_width_hostname)
self.proxy_port = QLineEdit()
self.proxy_port.setFixedWidth(fixed_width_port)
self.proxy_user = QLineEdit()
self.proxy_user.setPlaceholderText(_("Proxy user"))
self.proxy_password = QLineEdit()
self.proxy_password.setPlaceholderText(_("Password"))
self.proxy_password.setEchoMode(QLineEdit.Password)
self.proxy_password.setFixedWidth(fixed_width_port)
self.proxy_mode.currentIndexChanged.connect(self.set_proxy)
self.proxy_host.editingFinished.connect(self.set_proxy)
self.proxy_port.editingFinished.connect(self.set_proxy)
self.proxy_user.editingFinished.connect(self.set_proxy)
self.proxy_password.editingFinished.connect(self.set_proxy)
self.proxy_mode.currentIndexChanged.connect(
self.proxy_settings_changed)
self.proxy_host.textEdited.connect(self.proxy_settings_changed)
self.proxy_port.textEdited.connect(self.proxy_settings_changed)
self.proxy_user.textEdited.connect(self.proxy_settings_changed)
self.proxy_password.textEdited.connect(self.proxy_settings_changed)
self.tor_cb = QCheckBox(_("Use Tor Proxy"))
self.tor_cb.setIcon(read_QIcon("tor_logo.png"))
self.tor_cb.hide()
self.tor_cb.clicked.connect(self.use_tor_proxy)
grid.addWidget(self.tor_cb, 1, 0, 1, 3)
grid.addWidget(self.proxy_cb, 2, 0, 1, 3)
grid.addWidget(
HelpButton(
_('Proxy settings apply to all connections: with Electrum servers, but also with third-party services.'
)), 2, 4)
grid.addWidget(self.proxy_mode, 4, 1)
grid.addWidget(self.proxy_host, 4, 2)
grid.addWidget(self.proxy_port, 4, 3)
grid.addWidget(self.proxy_user, 5, 2)
grid.addWidget(self.proxy_password, 5, 3)
grid.setRowStretch(7, 1)
# Blockchain Tab
grid = QGridLayout(blockchain_tab)
msg = ' '.join([
_("Electrum 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 your transaction server."
)
])
self.status_label = QLabel('')
grid.addWidget(QLabel(_('Status') + ':'), 0, 0)
grid.addWidget(self.status_label, 0, 1, 1, 3)
grid.addWidget(HelpButton(msg), 0, 4)
self.server_label = QLabel('')
msg = _(
"Electrum sends your wallet addresses to a single server, in order to receive your transaction history."
)
grid.addWidget(QLabel(_('Server') + ':'), 1, 0)
grid.addWidget(self.server_label, 1, 1, 1, 3)
grid.addWidget(HelpButton(msg), 1, 4)
self.height_label = QLabel('')
msg = _('This is the height of your local copy of the blockchain.')
grid.addWidget(QLabel(_('Blockchain') + ':'), 2, 0)
grid.addWidget(self.height_label, 2, 1)
grid.addWidget(HelpButton(msg), 2, 4)
self.split_label = QLabel('')
grid.addWidget(self.split_label, 3, 0, 1, 3)
self.nodes_list_widget = NodesListWidget(self)
grid.addWidget(self.nodes_list_widget, 5, 0, 1, 5)
vbox = QVBoxLayout()
vbox.addWidget(tabs)
self.layout_ = vbox
# tor detector
self.td = td = TorDetector()
td.found_proxy.connect(self.suggest_proxy)
td.start()
self.fill_in_proxy_settings()
self.update()
#!/usr/bin/env python3
# A simple script that connects to a server and displays block headers
import time
import asyncio
from electrum_exos.network import Network
from electrum_exos.util import print_msg, json_encode, create_and_start_event_loop, log_exceptions
# start network
loop, stopping_fut, loop_thread = create_and_start_event_loop()
network = Network()
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)
# 3. wait for results
while network.is_connected():
header = await header_queue.get()
#!/usr/bin/env python3
import json
import asyncio
from electrum_exos.simple_config import SimpleConfig
from electrum_exos.network import filter_version, Network
from electrum_exos.util import create_and_start_event_loop, log_exceptions
from electrum_exos import constants
# testnet?
#constants.set_testnet()
config = SimpleConfig({'testnet': False})
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_version(peers)
print(json.dumps(peers, sort_keys=True, indent=4))
finally:
stopping_fut.set_result(1)
asyncio.run_coroutine_threadsafe(f(), loop)