def __init__(self, plugin, window):
super().__init__() # top-level QObject, no parent()
self.server = TimeoutServerProxy('http://%s:%d' % (HOST, PORT),
allow_none=True,
timeout=2.0)
self.listener = Listener(self)
self.plugin_ref = Weak.ref(plugin)
self.window_ref = Weak.ref(window)
self.cosigner_receive_signal.connect(self.on_receive)
def __init__(self):
super().__init__(
) # Top-level window. Parent needs to hold a reference to us and clean us up appropriately.
self.setWindowTitle('Oregano - ' + _('Payment Request'))
self.label = ''
self.amount = 0
self.setFocusPolicy(Qt.NoFocus)
self.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
main_box = QHBoxLayout(self)
main_box.setContentsMargins(12, 12, 12, 12)
self.qrw = QRCodeWidget()
self.qrw.setSizePolicy(QSizePolicy.MinimumExpanding,
QSizePolicy.MinimumExpanding)
main_box.addWidget(self.qrw, 2)
vbox = QVBoxLayout()
vbox.setContentsMargins(12, 12, 12, 12)
main_box.addLayout(vbox, 2)
main_box.addStretch(1)
self.address_label = WWLabel()
self.address_label.setTextInteractionFlags(Qt.TextSelectableByMouse)
vbox.addWidget(self.address_label)
self.msg_label = WWLabel()
self.msg_label.setTextInteractionFlags(Qt.TextSelectableByMouse)
vbox.addWidget(self.msg_label)
self.amount_label = WWLabel()
self.amount_label.setTextInteractionFlags(Qt.TextSelectableByMouse)
vbox.addWidget(self.amount_label)
self.op_return_label = WWLabel()
self.op_return_label.setTextInteractionFlags(Qt.TextSelectableByMouse)
vbox.addWidget(self.op_return_label)
vbox.addStretch(2)
copyBut = QPushButton(_("Copy QR Image"))
saveBut = QPushButton(_("Save QR Image"))
vbox.addLayout(Buttons(copyBut, saveBut))
weakSelf = Weak.ref(
self
) # Qt & Python GC hygeine: don't hold references to self in non-method slots as it appears Qt+Python GC don't like this too much and may leak memory in that case.
weakQ = Weak.ref(self.qrw)
weakBut = Weak.ref(copyBut)
copyBut.clicked.connect(lambda: copy_to_clipboard(weakQ(), weakBut()))
saveBut.clicked.connect(lambda: save_to_file(weakQ(), weakSelf()))
def init_qt(self, gui):
if self.initted: return # already initted
self.print_error("Initializing...")
for window in gui.windows:
self.on_new_window(window)
Plugin.Instance_ref = Weak.ref(self)
self.initted = True
def settings_widget(self, window):
while window and window_parent(window) and not isinstance(window_parent(window), ElectrumWindow):
# MacOS fixup -- find window.parent() because we can end up with window.parent() not an ElectrumWindow
window = window_parent(window)
windowRef = Weak.ref(window)
return EnterButton(_('Settings'),
partial(self.settings_dialog, windowRef))
def __init__(self, state):
super().__init__()
self.daemon = True
self.state_ref = Weak.ref(state)
self.received = set()
self.keyhashes = []
self.timeoutQ = queue.Queue(
) # this queue's sole purpose is to provide an interruptible sleep
def transaction_dialog(self, d):
window, state = self._find_window_and_state_for_wallet(d.wallet)
if window and state:
d.cosigner_send_button = b = QPushButton(_("Send to cosigner"))
b.wallet_ref = Weak.ref(window.wallet)
b.clicked.connect(lambda: Plugin.do_send_static(d))
d.buttons.insert(0, b)
self.transaction_dialog_update(d)
def settings_dialog(self, windowRef):
window = windowRef() # NB: window is the internal plugins dialog and not the wallet window
if not window or not isinstance(window_parent(window), ElectrumWindow): return
wallet = window_parent(window).wallet
d = WindowModalDialog(window.top_level_window(), _("Label Settings"))
d.ok_button = OkButton(d)
dlgRef = Weak.ref(d)
if wallet in self.wallets:
class MySigs(QObject):
ok_button_disable_sig = pyqtSignal(bool)
d.sigs = MySigs(d)
d.sigs.ok_button_disable_sig.connect(d.ok_button.setDisabled) # disable ok button while the TaskThread runs ..
hbox = QHBoxLayout()
hbox.addWidget(QLabel(_("LabelSync options:")))
upload = ThreadedButton(_("Force upload"),
partial(Weak(self.do_force_upload), wallet, dlgRef),
partial(Weak(self.done_processing), dlgRef),
partial(Weak(self.error_processing), dlgRef))
download = ThreadedButton(_("Force download"),
partial(Weak(self.do_force_download), wallet, dlgRef),
partial(Weak(self.done_processing), dlgRef),
partial(Weak(self.error_processing), dlgRef))
d.thread_buts = (upload, download)
d.finished.connect(partial(Weak(self.on_dlg_finished), dlgRef))
vbox = QVBoxLayout()
vbox.addWidget(upload)
vbox.addWidget(download)
hbox.addLayout(vbox)
vbox = QVBoxLayout(d)
vbox.addLayout(hbox)
else:
vbox = QVBoxLayout(d)
if wallet.network:
# has network, so the fact that the wallet isn't in the list means it's incompatible
l = QLabel('<b>' + _("LabelSync not supported for this wallet type") + '</b>')
l.setAlignment(Qt.AlignCenter)
vbox.addWidget(l)
l = QLabel(_("(Only deterministic wallets are supported)"))
l.setAlignment(Qt.AlignCenter)
vbox.addWidget(l)
else:
# Does not have network, so we won't speak of incompatibility, but instead remind user offline mode means OFFLINE! ;)
l = QLabel(_("You are using Oregano in offline mode; restart Oregano if you want to get connected"))
l.setWordWrap(True)
vbox.addWidget(l)
vbox.addSpacing(20)
vbox.addLayout(Buttons(d.ok_button))
return bool(d.exec_())
def initiate_fetch_input_data(self, force):
weakSelfRef = Weak.ref(self)
def dl_prog(pct):
slf = weakSelfRef()
if slf:
slf._dl_pct = pct
slf.throttled_update_sig.emit()
def dl_done():
slf = weakSelfRef()
if slf:
slf._dl_pct = None
slf.throttled_update_sig.emit()
slf.dl_done_sig.emit()
dl_retries = 0
def dl_done_mainthread():
nonlocal dl_retries
slf = weakSelfRef()
if slf:
if slf._closed:
return
dl_retries += 1
fee = slf.try_calculate_fee()
if fee is None and dl_retries < 2:
if not self.is_fetch_input_data():
slf.print_error("input fetch incomplete; network use is disabled in GUI")
return
# retry at most once -- in case a slow server scrwed us up
slf.print_error("input fetch appears incomplete; retrying download once ...")
slf.tx.fetch_input_data(self.wallet, done_callback=dl_done, prog_callback=dl_prog, force=True, use_network=self.is_fetch_input_data()) # in this case we reallly do force
elif fee is not None:
slf.print_error("input fetch success")
else:
slf.print_error("input fetch failed")
try: self.dl_done_sig.disconnect() # disconnect previous
except TypeError: pass
self.dl_done_sig.connect(dl_done_mainthread, Qt.QueuedConnection)
self.tx.fetch_input_data(self.wallet, done_callback=dl_done, prog_callback=dl_prog, force=force, use_network=self.is_fetch_input_data())
class Plugin(BasePlugin):
Instance_ref = Weak.ref(_Dead(
)) # Make sure Instance_ref is always defined, defaults to dead object
def __init__(self, parent, config, name):
BasePlugin.__init__(self, parent, config, name)
self.windows = []
self.initted = False
@hook
def init_qt(self, gui):
if self.initted: return # already initted
self.print_error("Initializing...")
for window in gui.windows:
self.on_new_window(window)
Plugin.Instance_ref = Weak.ref(self)
self.initted = True
@hook
def on_new_window(self, window):
try:
wallet = window.wallet
except AttributeError:
# this can happen if wallet is not started up properly
self.print_error(
"WARNING: Window {} lacks a wallet -- startup race condition likely. FIXME!"
.format(window.diagnostic_name()))
return
if isinstance(wallet, Multisig_Wallet):
window.cosigner_pool_state = state = State(self, window)
self.windows.append(window)
self.update(window)
# un-gray-out buttons for tx dialogs left around related to this window
for b in Plugin.get_all_cosigner_buttons():
if b.wallet_ref() == wallet:
b.setEnabled(True)
@hook
def on_close_window(self, window):
if window in self.windows:
state = getattr(window, 'cosigner_pool_state', None)
if state:
if state.listener:
self.print_error("shutting down listener for",
window.diagnostic_name())
state.listener.stop_join()
state.deleteLater()
delattr(window, 'cosigner_pool_state')
self.print_error("unregistered for window",
window.diagnostic_name())
self.windows.remove(window)
# gray out buttons for tx dialogs left around related to this window
for b in Plugin.get_all_cosigner_buttons():
if b.wallet_ref() == window.wallet:
b.setEnabled(False)
@staticmethod
def get_all_cosigner_buttons():
ret = []
app = QApplication.instance()
for w in app.topLevelWidgets():
if isinstance(w, TxDialog):
but = getattr(w, 'cosigner_send_button', None)
if but: ret.append(but)
return ret
def is_available(self):
return True
def on_close(self):
for w in self.windows.copy():
self.on_close_window(w)
self.windows = []
self.initted = False
super().on_close()
def update(self, window):
wallet = window.wallet
state = window.cosigner_pool_state
if not state:
self.print_error("No cosigner pool state object for window",
window.diagnostic_name())
return
listener = state.listener
state.keys = []
state.cosigner_list = []
for key, keystore in wallet.keystores.items():
xpub = keystore.get_master_public_key()
K = bitcoin.deserialize_xpub(xpub)[-1]
_hash = bh2u(bitcoin.Hash(K))
if not keystore.is_watching_only():
state.keys.append((key, _hash))
else:
state.cosigner_list.append((xpub, K, _hash))
listener.set_keyhashes([t[1] for t in state.keys])
if not listener.is_running():
self.print_error("Starting listener for", window.diagnostic_name())
listener.start()
@hook
def transaction_dialog(self, d):
window, state = self._find_window_and_state_for_wallet(d.wallet)
if window and state:
d.cosigner_send_button = b = QPushButton(_("Send to cosigner"))
b.wallet_ref = Weak.ref(window.wallet)
b.clicked.connect(lambda: Plugin.do_send_static(d))
d.buttons.insert(0, b)
self.transaction_dialog_update(d)
@hook
def transaction_dialog_update(self, d):
window, state = self._find_window_and_state_for_wallet(d.wallet)
but = getattr(d, 'cosigner_send_button', None)
if not but or not window or not state or d.tx.is_complete(
) or d.wallet.can_sign(d.tx):
but and but.hide()
return
for xpub, K, _hash in state.cosigner_list:
if self.cosigner_can_sign(d.tx, xpub):
but and but.show()
break
else:
but and but.hide()
def _find_window_and_state_for_wallet(self, wallet):
for window in self.windows:
if window.wallet == wallet:
return window, window.cosigner_pool_state
return None, None
def cosigner_can_sign(self, tx, cosigner_xpub):
from oregano.keystore import is_xpubkey, parse_xpubkey
xpub_set = set([])
for txin in tx.inputs():
for x_pubkey in txin['x_pubkeys']:
if is_xpubkey(x_pubkey):
xpub, s = parse_xpubkey(x_pubkey)
xpub_set.add(xpub)
return cosigner_xpub in xpub_set
@staticmethod
def do_send_static(d):
''' Decouples button slot from running instance in case user stops/restarts the plugin while TxDialogs are up. '''
plugin = Plugin.Instance_ref()
if plugin:
plugin.do_send(d)
else:
print_error("[cosigner_pool] No plugin.")
def do_send(self, d):
tx = d.tx
window, state = self._find_window_and_state_for_wallet(d.wallet)
if not tx or not window or not state:
self.print_error("Missing tx or window or state")
return
for xpub, K, _hash in state.cosigner_list:
if not self.cosigner_can_sign(tx, xpub):
continue
message = bitcoin.encrypt_message(bfh(tx.raw),
bh2u(K)).decode('ascii')
try:
state.server.put(_hash, message)
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_error(
_("Failed to send transaction to cosigning pool."))
return
d.show_message(
_("Your transaction was sent to the cosigning pool.") + '\n' +
_("Open your cosigner wallet to retrieve it."))
def on_receive(self, window, keyhash, message):
self.print_error("signal arrived for", keyhash, "@",
window.diagnostic_name())
state = getattr(window, 'cosigner_pool_state', None)
if not state:
self.print_error("Error: state object not found")
return
keys = state.keys
for key, _hash in keys:
if _hash == keyhash:
break
else:
self.print_error("keyhash not found")
return
wallet = window.wallet
if isinstance(wallet.keystore, keystore.Hardware_KeyStore):
window.show_warning(
_('An encrypted transaction was retrieved from cosigning pool.'
) + '\n' +
_('However, hardware wallets do not support message decryption, '
'which makes them not compatible with the current design of cosigner pool.'
))
return
password = None
if wallet.has_password():
password = window.password_dialog(
_('An encrypted transaction was retrieved from cosigning pool.'
) + '\n' + _('Please enter your password to decrypt it.'))
if not password:
return
else:
details = (_(
"If you choose 'Yes', it will be decrypted and a transaction window will be shown, giving you the opportunity to sign the transaction."
) + "\n\n" + _(
"If you choose 'No', you will be asked again later (the next time this wallet window is opened)."
))
ret = window.msg_box(
icon=QMessageBox.Question,
parent=None,
title=_("Cosigner Pool"),
buttons=QMessageBox.Yes | QMessageBox.No,
text=
_("An encrypted transaction was retrieved from cosigning pool."
) + '\n' + _("Do you want to open it now?"),
detail_text=details)
if ret != QMessageBox.Yes:
return
err, badpass = "******", False
try:
xprv = wallet.keystore.get_master_private_key(password)
except InvalidPassword as e:
err, badpass = str(e), True
xprv = None
if not xprv:
window.show_error(err)
if badpass:
self.on_receive(window, keyhash, message) # try again
return
try:
k = bh2u(bitcoin.deserialize_xprv(xprv)[-1])
EC = bitcoin.EC_KEY(bfh(k))
message = bh2u(EC.decrypt_message(message))
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_error(repr(e))
return
state.listener.clear(keyhash)
tx = transaction.Transaction(message)
show_transaction(tx, window, prompt_if_unsaved=True)
def __init__(self, tx, parent, desc, prompt_if_unsaved):
'''Transactions in the wallet will show their description.
Pass desc to give a description for txs not yet in the wallet.
'''
# We want to be a top-level window
QDialog.__init__(self, parent=None)
# Take a copy; it might get updated in the main window by
# e.g. the FX plugin. If this happens during or after a long
# sign operation the signatures are lost.
self.tx = copy.deepcopy(tx)
self.tx.deserialize()
self.main_window = parent
self.wallet = parent.wallet
self.prompt_if_unsaved = prompt_if_unsaved
self.saved = False
self.desc = desc
self.cashaddr_signal_slots = []
self._dl_pct = None
self._closed = False
self.tx_hash = self.tx.txid_fast() if self.tx.raw and self.tx.is_complete() else None
self.tx_height = self.wallet.get_tx_height(self.tx_hash)[0] or None
self.block_hash = None
Weak.finalization_print_error(self) # track object lifecycle
self.setMinimumWidth(750)
self.setWindowTitle(_("Transaction"))
vbox = QVBoxLayout()
self.setLayout(vbox)
self.tx_hash_e = ButtonsLineEdit()
l = QLabel(_("&Transaction ID:"))
l.setBuddy(self.tx_hash_e)
vbox.addWidget(l)
self.tx_hash_e.addCopyButton()
weakSelfRef = Weak.ref(self)
qr_show = lambda: weakSelfRef() and weakSelfRef().main_window.show_qrcode(str(weakSelfRef().tx_hash_e.text()), _("Transaction ID"), parent=weakSelfRef())
icon = ":icons/qrcode_white.svg" if ColorScheme.dark_scheme else ":icons/qrcode.svg"
self.tx_hash_e.addButton(icon, qr_show, _("Show as QR code"))
self.tx_hash_e.setReadOnly(True)
vbox.addWidget(self.tx_hash_e)
self.tx_desc = QLabel()
vbox.addWidget(self.tx_desc)
self.status_label = QLabel()
vbox.addWidget(self.status_label)
self.date_label = QLabel()
vbox.addWidget(self.date_label)
self.amount_label = QLabel()
vbox.addWidget(self.amount_label)
self.size_label = QLabel()
vbox.addWidget(self.size_label)
self.fee_label = QLabel()
vbox.addWidget(self.fee_label)
for l in (self.tx_desc, self.status_label, self.date_label, self.amount_label, self.size_label, self.fee_label):
# make these labels selectable by mouse in case user wants to copy-paste things in tx dialog
l.setTextInteractionFlags(l.textInteractionFlags() | Qt.TextSelectableByMouse)
def open_be_url(link):
if link:
try:
kind, thing = link.split(':')
url = web.BE_URL(self.main_window.config, kind, thing)
except:
url = None
if url:
webopen( url )
else:
self.show_error(_('Unable to open in block explorer. Please be sure your block explorer is configured correctly in preferences.'))
self.status_label.linkActivated.connect(open_be_url)
self.add_io(vbox)
self.freeze_button = b = QPushButton(self._make_freeze_button_text())
b.setToolTip(_("Lock/unlock the coin(s) being spent in this transaction.\n\n"
"Use this facility if you wish to broadcast this transaction later,\n"
"in order to prevent its inputs from being accidentally spent."))
b.clicked.connect(self.do_freeze_unfreeze)
self.sign_button = b = QPushButton(_("&Sign"))
b.clicked.connect(self.sign)
b.setToolTip(_("Sign the transaction"))
self.broadcast_button = b = QPushButton(_("&Broadcast"))
b.clicked.connect(self.do_broadcast)
b.setToolTip(_("Submit the transaction to the blockchain"))
self.last_broadcast_time = 0
self.save_button = b = QPushButton(_("S&ave"))
b.setToolTip(_("Save the transaction to a file"))
b.clicked.connect(self.save)
self.cancel_button = b = CloseButton(self)
self.qr_button = b = QPushButton()
b.setToolTip(_("Show transaction QR code"))
b.setIcon(QIcon(icon))
b.clicked.connect(self.show_qr)
b.setShortcut(QKeySequence(Qt.ALT + Qt.Key_Q))
self.copy_button = b = CopyButton(lambda: str(weakSelfRef() and weakSelfRef().tx),
callback=lambda: weakSelfRef() and weakSelfRef().show_message(
_("Transaction raw hex copied to clipboard.")))
b.setToolTip(_("Copy transaction raw hex to the clipboard"))
# Action buttons
self.buttons = [self.freeze_button, self.sign_button, self.broadcast_button, self.cancel_button]
# Transaction sharing buttons
self.sharing_buttons = [self.copy_button, self.qr_button, self.save_button]
run_hook('transaction_dialog', self)
hbox = QHBoxLayout()
hbox.addLayout(Buttons(*self.sharing_buttons))
hbox.addStretch(1)
hbox.addLayout(Buttons(*self.buttons))
vbox.addLayout(hbox)
if self.tx_height:
# this avoids downloading the block_height info if we already have it.
self.tx.ephemeral['block_height'] = self.tx_height
self.throttled_update_sig.connect(self.throttled_update, Qt.QueuedConnection)
self.initiate_fetch_input_data(True)
self.update()
# connect slots so we update in realtime as blocks come in, etc
parent.history_updated_signal.connect(self.update_tx_if_in_wallet)
parent.labels_updated_signal.connect(self.update_tx_if_in_wallet)
parent.network_signal.connect(self.got_verified_tx)