def mock_fork(self, bad_header):
forkpoint = bad_header['block_height']
b = blockchain.Blockchain(config=self.config,
forkpoint=forkpoint,
parent=None,
forkpoint_hash=bh2u(sha256(str(forkpoint))),
prev_hash=bh2u(sha256(str(forkpoint - 1))))
return b
def test_mnemonic_to_seed(self):
for test_name, test in SEED_TEST_CASES.items():
if test.words_hex is not None:
self.assertEqual(test.words_hex, bh2u(test.words.encode('utf8')), msg=test_name)
self.assertTrue(is_new_seed(test.words, prefix=test.seed_version), msg=test_name)
m = mnemonic.Mnemonic(lang=test.lang)
if test.entropy is not None:
self.assertEqual(test.entropy, m.mnemonic_decode(test.words), msg=test_name)
if test.passphrase_hex is not None:
self.assertEqual(test.passphrase_hex, bh2u(test.passphrase.encode('utf8')), msg=test_name)
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic=test.words, passphrase=test.passphrase)
self.assertEqual(test.bip32_seed, bh2u(seed), msg=test_name)
def gen_random_versioned_seed(cls):
version = cls.LATEST_VERSION
hex_seed = bh2u(os.urandom(16))
checksum = cls.code_hashid(version + hex_seed)
return VersionedSeed(version=version.upper(),
seed=hex_seed.upper(),
checksum=checksum.upper())
def update(self, window: 'ElectrumSysWindow'):
wallet = window.wallet
if type(wallet) != Multisig_Wallet:
return
assert isinstance(wallet, Multisig_Wallet) # only here for type-hints in IDE
if self.listener is None:
self.logger.info("starting listener")
self.listener = Listener(self)
self.listener.start()
elif self.listener:
self.logger.info("shutting down listener")
self.listener.stop()
self.listener = None
self.keys = []
self.cosigner_list = []
for key, keystore in wallet.keystores.items():
xpub = keystore.get_master_public_key() # type: str
pubkey = BIP32Node.from_xkey(xpub).eckey.get_public_key_bytes(compressed=True)
_hash = bh2u(crypto.sha256d(pubkey))
if not keystore.is_watching_only():
self.keys.append((key, _hash, window))
else:
self.cosigner_list.append((window, xpub, pubkey, _hash))
if self.listener:
self.listener.set_keyhashes([t[1] for t in self.keys])
def update(features):
self.features = features
set_label_enabled()
bl_hash = bh2u(features.bootloader_hash)
bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
noyes = [_("No"), _("Yes")]
endis = [_("Enable Passphrases"), _("Disable Passphrases")]
disen = [_("Disabled"), _("Enabled")]
setchange = [_("Set a PIN"), _("Change PIN")]
version = "%d.%d.%d" % (features.major_version,
features.minor_version,
features.patch_version)
coins = ", ".join(coin.coin_name for coin in features.coins)
device_label.setText(features.label)
pin_set_label.setText(noyes[features.pin_protection])
passphrases_label.setText(disen[features.passphrase_protection])
bl_hash_label.setText(bl_hash)
label_edit.setText(features.label)
device_id_label.setText(features.device_id)
initialized_label.setText(noyes[features.initialized])
version_label.setText(version)
coins_label.setText(coins)
clear_pin_button.setVisible(features.pin_protection)
clear_pin_warning.setVisible(features.pin_protection)
pin_button.setText(setchange[features.pin_protection])
pin_msg.setVisible(not features.pin_protection)
passphrase_button.setText(endis[features.passphrase_protection])
language_label.setText(features.language)
def on_suggest():
self.parent.wallet.network.start_gossip()
nodeid = bh2u(lnworker.suggest_peer() or b'')
if not nodeid:
remote_nodeid.setText("")
remote_nodeid.setPlaceholderText(
"Please wait until the graph is synchronized to 30%, and then try again.")
else:
remote_nodeid.setText(nodeid)
remote_nodeid.repaint() # macOS hack for #6269
def open(self, *args, **kwargs):
super(LightningOpenChannelDialog, self).open(*args, **kwargs)
if self.lnaddr:
fee = self.app.electrumsys_config.fee_per_kb()
if not fee:
fee = config.FEERATE_FALLBACK_STATIC_FEE
self.amount = self.app.format_amount_and_units(self.lnaddr.amount * COIN + fee * 2) # FIXME magic number?!
self.pubkey = bh2u(self.lnaddr.pubkey.serialize())
if self.msg:
self.app.show_info(self.msg)
def sign_transaction(self, keystore, tx: PartialTransaction, prev_tx):
self.prev_tx = prev_tx
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, for_sig=True, keystore=keystore)
outputs = self.tx_outputs(tx, keystore=keystore)
signatures = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
lock_time=tx.locktime,
version=tx.version)[0]
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def make_htlc_item(self, i: UpdateAddHtlc,
direction: Direction) -> HTLCItem:
it = HTLCItem(
_('Sent HTLC with ID {}' if Direction.SENT ==
direction else 'Received HTLC with ID {}').format(i.htlc_id))
it.appendRow(
[HTLCItem(_('Amount')),
HTLCItem(self.format_msat(i.amount_msat))])
it.appendRow(
[HTLCItem(_('CLTV expiry')),
HTLCItem(str(i.cltv_expiry))])
it.appendRow(
[HTLCItem(_('Payment hash')),
HTLCItem(bh2u(i.payment_hash))])
return it
def __init__(self, chan: Channel, app: 'ElectrumSysWindow', **kwargs):
Popup.__init__(self, **kwargs)
Logger.__init__(self)
self.is_closed = chan.is_closed()
self.can_be_deleted = chan.can_be_deleted()
self.app = app
self.chan = chan
self.title = _('Channel details')
self.node_id = bh2u(chan.node_id)
self.channel_id = bh2u(chan.channel_id)
self.funding_txid = chan.funding_outpoint.txid
self.short_id = format_short_channel_id(chan.short_channel_id)
self.capacity = self.app.format_amount_and_units(chan.get_capacity())
self.state = chan.get_state_for_GUI()
self.local_ctn = chan.get_latest_ctn(LOCAL)
self.remote_ctn = chan.get_latest_ctn(REMOTE)
self.local_csv = chan.config[LOCAL].to_self_delay
self.remote_csv = chan.config[REMOTE].to_self_delay
self.initiator = 'Local' if chan.constraints.is_initiator else 'Remote'
feerate_kw = chan.get_latest_feerate(LOCAL)
self.feerate = str(
quantize_feerate(Transaction.satperbyte_from_satperkw(feerate_kw)))
self.can_send = self.app.format_amount_and_units(
chan.available_to_spend(LOCAL) // 1000)
self.can_receive = self.app.format_amount_and_units(
chan.available_to_spend(REMOTE) // 1000)
self.is_open = chan.is_open()
closed = chan.get_closing_height()
if closed:
self.closing_txid, closing_height, closing_timestamp = closed
msg = messages.MSG_NON_TRAMPOLINE_CHANNEL_FROZEN_WITHOUT_GOSSIP
self.warning = '' if self.app.wallet.lnworker.channel_db or self.app.wallet.lnworker.is_trampoline_peer(
chan.node_id) else _('Warning') + ': ' + msg
self.is_frozen_for_sending = chan.is_frozen_for_sending()
self.is_frozen_for_receiving = chan.is_frozen_for_receiving()
self.update_action_dropdown()
def sign_transaction(self, keystore, tx: PartialTransaction, prev_tx):
prev_tx = {
bfh(txhash): self.electrumsys_tx_to_txtype(tx)
for txhash, tx in prev_tx.items()
}
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, for_sig=True, keystore=keystore)
outputs = self.tx_outputs(tx, keystore=keystore)
signatures, _ = client.sign_tx(
self.get_coin_name(),
inputs,
outputs,
lock_time=tx.locktime,
version=tx.version,
amount_unit=self.get_trezor_amount_unit(),
prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def sign_transaction(
self,
keystore: Hardware_KeyStore,
tx: PartialTransaction,
wallet: Deterministic_Wallet,
):
if tx.is_complete():
return
if self.bitbox02_device is None:
raise Exception(
"Need to setup communication first before attempting any BitBox02 calls"
)
coin = self._get_coin()
tx_script_type = None
# Build BTCInputType list
inputs = []
for txin in tx.inputs():
my_pubkey, full_path = keystore.find_my_pubkey_in_txinout(txin)
if full_path is None:
raise Exception(
"A wallet owned pubkey was not found in the transaction input to be signed"
)
prev_tx = txin.utxo
if prev_tx is None:
raise UserFacingException(_('Missing previous tx.'))
prev_inputs: List[bitbox02.BTCPrevTxInputType] = []
prev_outputs: List[bitbox02.BTCPrevTxOutputType] = []
for prev_txin in prev_tx.inputs():
prev_inputs.append({
"prev_out_hash":
prev_txin.prevout.txid[::-1],
"prev_out_index":
prev_txin.prevout.out_idx,
"signature_script":
prev_txin.script_sig,
"sequence":
prev_txin.nsequence,
})
for prev_txout in prev_tx.outputs():
prev_outputs.append({
"value": prev_txout.value,
"pubkey_script": prev_txout.scriptpubkey,
})
inputs.append({
"prev_out_hash": txin.prevout.txid[::-1],
"prev_out_index": txin.prevout.out_idx,
"prev_out_value": txin.value_sats(),
"sequence": txin.nsequence,
"keypath": full_path,
"script_config_index": 0,
"prev_tx": {
"version": prev_tx.version,
"locktime": prev_tx.locktime,
"inputs": prev_inputs,
"outputs": prev_outputs,
},
})
if tx_script_type == None:
tx_script_type = txin.script_type
elif tx_script_type != txin.script_type:
raise Exception("Cannot mix different input script types")
if tx_script_type == "p2wpkh":
tx_script_type = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH)
elif tx_script_type == "p2wpkh-p2sh":
tx_script_type = bitbox02.btc.BTCScriptConfig(
simple_type=bitbox02.btc.BTCScriptConfig.P2WPKH_P2SH)
elif tx_script_type in ("p2wsh-p2sh", "p2wsh"):
if type(wallet) is Multisig_Wallet:
tx_script_type = self.btc_multisig_config(
coin, full_path, wallet, tx_script_type)
else:
raise Exception(
"Can only use p2wsh-p2sh or p2wsh with multisig wallets")
else:
raise UserFacingException(
"invalid input script type: {} is not supported by the BitBox02"
.format(tx_script_type))
# Build BTCOutputType list
outputs = []
for txout in tx.outputs():
assert txout.address
# check for change
if txout.is_change:
my_pubkey, change_pubkey_path = keystore.find_my_pubkey_in_txinout(
txout)
outputs.append(
bitbox02.BTCOutputInternal(
keypath=change_pubkey_path,
value=txout.value,
script_config_index=0,
))
else:
addrtype, pubkey_hash = syscoin.address_to_hash(txout.address)
if addrtype == OnchainOutputType.P2PKH:
output_type = bitbox02.btc.P2PKH
elif addrtype == OnchainOutputType.P2SH:
output_type = bitbox02.btc.P2SH
elif addrtype == OnchainOutputType.WITVER0_P2WPKH:
output_type = bitbox02.btc.P2WPKH
elif addrtype == OnchainOutputType.WITVER0_P2WSH:
output_type = bitbox02.btc.P2WSH
else:
raise UserFacingException(
"Received unsupported output type during transaction signing: {} is not supported by the BitBox02"
.format(addrtype))
outputs.append(
bitbox02.BTCOutputExternal(
output_type=output_type,
output_hash=pubkey_hash,
value=txout.value,
))
keypath_account = full_path[:-2]
sigs = self.bitbox02_device.btc_sign(
coin,
[
bitbox02.btc.BTCScriptConfigWithKeypath(
script_config=tx_script_type,
keypath=keypath_account,
)
],
inputs=inputs,
outputs=outputs,
locktime=tx.locktime,
version=tx.version,
)
# Fill signatures
if len(sigs) != len(tx.inputs()):
raise Exception(
"Incorrect number of inputs signed.") # Should never occur
signatures = [
bh2u(ecc.der_sig_from_sig_string(x[1])) + "01" for x in sigs
]
tx.update_signatures(signatures)
def test_mnemonic_to_seed_basic(self):
# note: not a valid electrumsys seed
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic='foobar', passphrase='none')
self.assertEqual('741b72fd15effece6bfe5a26a52184f66811bd2be363190e07a42cca442b1a5bb22b3ad0eb338197287e6d314866c7fba863ac65d3f156087a5052ebc7157fce',
bh2u(seed))
def __init__(self, window: 'ElectrumSysWindow', chan_id: bytes):
super().__init__(window)
# initialize instance fields
self.window = window
self.wallet = window.wallet
chan = self.chan = window.wallet.lnworker.channels[chan_id]
self.format_msat = lambda msat: window.format_amount_and_units(msat /
1000)
# connect signals with slots
self.htlc_fulfilled.connect(self.on_htlc_fulfilled)
self.htlc_failed.connect(self.on_htlc_failed)
self.state_changed.connect(self.do_state_changed)
self.htlc_added.connect(self.on_htlc_added)
# register callbacks for updating
util.register_callback(self.htlc_fulfilled.emit, ['htlc_fulfilled'])
util.register_callback(self.htlc_failed.emit, ['htlc_failed'])
util.register_callback(self.htlc_added.emit, ['htlc_added'])
util.register_callback(self.state_changed.emit, ['channel'])
# set attributes of QDialog
self.setWindowTitle(_('Channel Details'))
self.setMinimumSize(800, 400)
# add layouts
vbox = QtWidgets.QVBoxLayout(self)
vbox.addWidget(QLabel(_('Remote Node ID:')))
remote_id_e = ButtonsLineEdit(bh2u(chan.node_id))
remote_id_e.addCopyButton(self.window.app)
remote_id_e.setReadOnly(True)
vbox.addWidget(remote_id_e)
funding_label_text = f'<a href=click_destination>{chan.funding_outpoint.txid}</a>:{chan.funding_outpoint.output_index}'
vbox.addWidget(QLabel(_('Funding Outpoint:')))
vbox.addWidget(LinkedLabel(funding_label_text, self.show_tx))
form_layout = QtWidgets.QFormLayout(None)
# add form content
form_layout.addRow(
_('Channel ID:'),
SelectableLabel(
f"{chan.channel_id.hex()} (Short: {chan.short_channel_id})"))
form_layout.addRow(_('State:'),
SelectableLabel(chan.get_state_for_GUI()))
self.initiator = 'Local' if chan.constraints.is_initiator else 'Remote'
form_layout.addRow(_('Initiator:'), SelectableLabel(self.initiator))
self.capacity = self.window.format_amount_and_units(
chan.get_capacity())
form_layout.addRow(_('Capacity:'), SelectableLabel(self.capacity))
self.can_send_label = SelectableLabel()
self.can_receive_label = SelectableLabel()
form_layout.addRow(_('Can send:'), self.can_send_label)
form_layout.addRow(_('Can receive:'), self.can_receive_label)
self.received_label = SelectableLabel()
form_layout.addRow(_('Received:'), self.received_label)
self.sent_label = SelectableLabel()
form_layout.addRow(_('Sent:'), self.sent_label)
#self.htlc_minimum_msat = SelectableLabel(str(chan.config[REMOTE].htlc_minimum_msat))
#form_layout.addRow(_('Minimum HTLC value accepted by peer (mSAT):'), self.htlc_minimum_msat)
#self.max_htlcs = SelectableLabel(str(chan.config[REMOTE].max_accepted_htlcs))
#form_layout.addRow(_('Maximum number of concurrent HTLCs accepted by peer:'), self.max_htlcs)
#self.max_htlc_value = SelectableLabel(self.window.format_amount_and_units(chan.config[REMOTE].max_htlc_value_in_flight_msat / 1000))
#form_layout.addRow(_('Maximum value of in-flight HTLCs accepted by peer:'), self.max_htlc_value)
self.dust_limit = SelectableLabel(
self.window.format_amount_and_units(
chan.config[REMOTE].dust_limit_sat))
form_layout.addRow(_('Remote dust limit:'), self.dust_limit)
self.remote_reserve = self.window.format_amount_and_units(
chan.config[REMOTE].reserve_sat)
form_layout.addRow(_('Remote reserve:'),
SelectableLabel(self.remote_reserve))
vbox.addLayout(form_layout)
# add htlc tree view to vbox (wouldn't scale correctly in QFormLayout)
vbox.addWidget(QLabel(_('Payments (HTLCs):')))
w = QtWidgets.QTreeView(self)
htlc_dict = chan.get_payments()
htlc_list = []
for rhash, plist in htlc_dict.items():
for htlc_with_status in plist:
htlc_list.append(htlc_with_status)
w.setModel(self.make_model(htlc_list))
w.header().setSectionResizeMode(0,
QtWidgets.QHeaderView.ResizeToContents)
vbox.addWidget(w)
vbox.addLayout(Buttons(CloseButton(self)))
# initialize sent/received fields
self.update()
