def on_receive(self, keyhash, message):
self.print_error("signal arrived for", keyhash)
for key, _hash, window in self.keys:
if _hash == keyhash:
break
else:
self.print_error("keyhash not found")
return
wallet = window.wallet
if wallet.has_password():
password = window.password_dialog('An encrypted transaction was retrieved from cosigning pool.\nPlease enter your password to decrypt it.')
if not password:
return
else:
password = None
if not window.question(_("An encrypted transaction was retrieved from cosigning pool.\nDo you want to open it now?")):
return
xprv = wallet.keystore.get_master_private_key(password)
if not xprv:
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_message(str(e))
return
self.listener.clear(keyhash)
tx = transaction.Transaction(message)
show_transaction(tx, window, prompt_if_unsaved=True)
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 update(features):
self.features = features
set_label_enabled()
if features.bootloader_hash:
bl_hash = bh2u(features.bootloader_hash)
bl_hash = "\n".join([bl_hash[:32], bl_hash[32:]])
else:
bl_hash = "N/A"
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)
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)
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 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 test_push_script(self):
# https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#push-operators
self.assertEqual(push_script(''), bh2u(bytes([opcodes.OP_0])))
self.assertEqual(push_script('07'), bh2u(bytes([opcodes.OP_7])))
self.assertEqual(push_script('10'), bh2u(bytes([opcodes.OP_16])))
self.assertEqual(push_script('81'), bh2u(bytes([opcodes.OP_1NEGATE])))
self.assertEqual(push_script('11'), '0111')
self.assertEqual(push_script(75 * '42'), '4b' + 75 * '42')
self.assertEqual(push_script(76 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('4c' + 76 * '42')))
self.assertEqual(push_script(100 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('64' + 100 * '42')))
self.assertEqual(push_script(255 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('ff' + 255 * '42')))
self.assertEqual(push_script(256 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0001' + 256 * '42')))
self.assertEqual(push_script(520 * '42'), bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0802' + 520 * '42')))
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
prev_tx = { bfh(txhash): self.electrum_tx_to_txtype(tx, xpub_path) for txhash, tx in prev_tx.items() }
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, xpub_path, True)
outputs = self.tx_outputs(keystore.get_derivation(), tx)
details = SignTx(lock_time=tx.locktime, version=tx.version)
signatures, _ = client.sign_tx(self.get_coin_name(), inputs, outputs, details=details, prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
self.prev_tx = prev_tx
self.xpub_path = xpub_path
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, True)
outputs = self.tx_outputs(keystore.get_derivation(), tx)
signatures = client.sign_tx(self.get_coin_name(), inputs, outputs, lock_time=tx.locktime)[0]
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
self.prev_tx = prev_tx
self.xpub_path = xpub_path
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, True, keystore.is_segwit())
outputs = self.tx_outputs(keystore.get_derivation(), tx, keystore.is_segwit())
signed_tx = client.sign_tx(self.get_coin_name(), inputs, outputs, lock_time=tx.locktime)[1]
raw = bh2u(signed_tx)
tx.update_signatures(raw)
def do_send(self, tx):
for window, xpub, K, _hash in self.cosigner_list:
if not self.cosigner_can_sign(tx, xpub):
continue
message = bitcoin.encrypt_message(bfh(tx.raw), bh2u(K)).decode('ascii')
try:
server.put(_hash, message)
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_message("Failed to send transaction to cosigning pool.")
return
window.show_message("Your transaction was sent to the cosigning pool.\nOpen your cosigner wallet to retrieve it.")
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
self.prev_tx = prev_tx
self.xpub_path = xpub_path
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, True)
outputs = self.tx_outputs(keystore.get_derivation(), tx)
signatures = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
lock_time=tx.locktime)[0]
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def open(self, *args, **kwargs):
super(LightningOpenChannelDialog, self).open(*args, **kwargs)
if self.lnaddr:
fee = self.app.electrum_config.fee_per_kb()
if not fee:
fee = config.FEERATE_FALLBACK_STATIC_FEE
self.amount = self.app.format_amount_and_units(self.lnaddr.amount *
constants.net.COIN +
fee * 2)
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 create_menu(self, position):
selected = self.selected_column_0_user_roles()
if not selected:
return
menu = QMenu()
menu.addAction(_("Renew"), lambda: self.renew_selected_items())
if len(selected) == 1:
txid = selected[0].split(':')[0]
tx = self.wallet.db.transactions.get(txid)
if tx:
label = self.wallet.get_label(
txid
) or None # Prefer None if empty (None hides the Description: field in the window)
menu.addAction(_("Configure"),
lambda: self.configure_selected_item())
menu.addAction(
_("Transaction Details"),
lambda: self.parent.show_transaction(tx, tx_desc=label))
# "Copy ..."
idx = self.indexAt(position)
col = idx.column()
if col == self.Columns.NAME:
selected_data = self.selected_column_0_user_role_identifiers()
selected_data_type = "identifier"
elif col == self.Columns.VALUE:
selected_data = self.selected_column_0_user_role_values()
selected_data_type = "value"
else:
selected_data = None
if selected_data is not None and len(selected_data) == 1:
data = selected_data[0]
# data will be None if this row is a name_new that we haven't
# queued a name_firstupdate for, so we don't know the identifier or
# value.
if data is not None:
try:
copy_ascii = data.decode('ascii')
menu.addAction(
_("Copy {} as ASCII").format(selected_data_type),
lambda: self.parent.app.clipboard().setText(copy_ascii
))
except UnicodeDecodeError:
pass
copy_hex = bh2u(data)
menu.addAction(
_("Copy {} as hex").format(selected_data_type),
lambda: self.parent.app.clipboard().setText(copy_hex))
menu.exec_(self.viewport().mapToGlobal(position))
def checkPassphrase(line):
passw = ""
seed = util.bh2u(keystore.bip39_to_seed(line, passw))
seed = util.bfh(seed)
xprv, _xpub = bitcoin.bip32_root(seed, "standard")
xprv, _xpub = bitcoin.bip32_private_derivation(xprv, "", "49'")
xprv, _xpub = bitcoin.bip32_private_derivation(xprv, "", "0'")
xprv, _xpub = bitcoin.bip32_private_derivation(xprv, "", "0'")
xprv, _xpub = bitcoin.bip32_private_derivation(xprv, "", "0")
for i in range(MAX_ADDR_IDX):
deriveAddresses(line, xprv, i)
def do_send(self, tx):
for window, xpub, K, _hash in self.cosigner_list:
if not self.cosigner_can_sign(tx, xpub):
continue
message = bitcoin.encrypt_message(bfh(tx.raw), bh2u(K)).decode('ascii')
try:
server.put(_hash, message)
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_message("Failed to send transaction to cosigning pool.")
return
window.show_message("Your transaction was sent to the cosigning pool.\nOpen your cosigner wallet to retrieve it.")
def __init__(self, chan: Channel, app: 'ElectrumWindow', **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 = ' '.join([
_("Trampoline routing is enabled, but this channel is with a non-trampoline node."
),
_("This channel may still be used for receiving, but it is frozen for sending."
),
_("If you want to keep using this channel, you need to disable trampoline routing in your preferences."
),
])
self.warning = '' if self.app.wallet.lnworker.channel_db or self.app.wallet.lnworker.is_trampoline_peer(
chan.node_id) else _('Warning') + ': ' + msg
def sign_and_insert_remote_sig(self, tx: PartialTransaction, remote_pubkey,
remote_signature, pubkey, privkey):
assert type(remote_pubkey) is bytes
assert len(remote_pubkey) == 33
assert type(remote_signature) is str
assert type(pubkey) is bytes
assert type(privkey) is bytes
assert len(pubkey) == 33
assert len(privkey) == 33
tx.sign({bh2u(pubkey): (privkey[:-1], True)})
tx.add_signature_to_txin(txin_idx=0,
signing_pubkey=remote_pubkey.hex(),
sig=remote_signature + "01")
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
self.prev_tx = prev_tx
self.xpub_path = xpub_path
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, True, keystore.get_script_gen())
outputs = self.tx_outputs(keystore.get_derivation(), tx,
keystore.get_script_gen())
signed_tx = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
lock_time=tx.locktime)[1]
raw = bh2u(signed_tx)
tx.update_signatures(raw)
def test_mnemonic_to_seed_japanese(self):
words = SEED_WORDS_JAPANESE
self.assertTrue(is_new_seed(words))
m = mnemonic.Mnemonic(lang='ja')
self.assertEqual(1938439226660562861250521787963972783469,
m.mnemonic_decode(words))
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic=words,
passphrase='')
self.assertEqual(
'd3eaf0e44ddae3a5769cb08a26918e8b308258bcb057bb704c6f69713245c0b35cb92c03df9c9ece5eff826091b4e74041e010b701d44d610976ce8bfb66a8ad',
bh2u(seed))
def test_mnemonic_to_seed_chinese(self):
words = SEED_WORDS_CHINESE
self.assertTrue(is_new_seed(words, prefix=SEED_PREFIX_SW))
m = mnemonic.Mnemonic(lang='zh')
self.assertEqual(3083737086352778425940060465574397809099,
m.mnemonic_decode(words))
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic=words,
passphrase='')
self.assertEqual(
'0b9077db7b5a50dbb6f61821e2d35e255068a5847e221138048a20e12d80b673ce306b6fe7ac174ebc6751e11b7037be6ee9f17db8040bb44f8466d519ce2abf',
bh2u(seed))
def sign_transaction(self, keystore, tx: PartialTransaction, prev_tx):
prev_tx = {bfh(txhash): self.electrum_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 on_receive(self, keyhash, message):
self.print_error("signal arrived for", keyhash)
for key, _hash, window in self.keys:
if _hash == keyhash:
break
else:
self.print_error("keyhash not found")
return
wallet = window.wallet
if wallet.has_keystore_encryption():
password = window.password_dialog(
'An encrypted transaction was retrieved from cosigning pool.\nPlease enter your password to decrypt it.'
)
if not password:
return
else:
password = None
if not window.question(
_("An encrypted transaction was retrieved from cosigning pool.\nDo you want to open it now?"
)):
return
xprv = wallet.keystore.get_master_private_key(password)
if not xprv:
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_message(str(e))
return
self.listener.clear(keyhash)
tx = transaction.Transaction(message)
show_transaction(tx, window, prompt_if_unsaved=True)
def details(self):
chan = self.chan
return {
_('Short Chan ID'):
format_short_channel_id(chan.short_channel_id),
_('Initiator'):
'Local' if chan.constraints.is_initiator else 'Remote',
_('State'):
chan.get_state(),
_('Capacity'):
self.app.format_amount_and_units(chan.constraints.capacity),
_('Can send'):
self.app.format_amount_and_units(
chan.available_to_spend(LOCAL) // 1000),
_('Current feerate'):
str(chan.get_latest_feerate(LOCAL)),
_('Node ID'):
bh2u(chan.node_id),
_('Channel ID'):
bh2u(chan.channel_id),
_('Funding TXID'):
chan.funding_outpoint.txid,
}
def __init__(self, chan: Channel, app: 'ElectrumWindow', **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.channel_type = chan.storage['channel_type'].name_minimal
self.update_action_dropdown()
def new_channel_dialog(self):
lnworker = self.parent.wallet.lnworker
d = WindowModalDialog(self.parent, _('Open Channel'))
d.setMinimumWidth(700)
vbox = QVBoxLayout(d)
h = QGridLayout()
local_nodeid = QLineEdit()
local_nodeid.setText(bh2u(lnworker.node_keypair.pubkey))
local_nodeid.setReadOnly(True)
local_nodeid.setCursorPosition(0)
remote_nodeid = QLineEdit()
local_amt_inp = BTCAmountEdit(self.parent.get_decimal_point)
local_amt_inp.setAmount(200000)
push_amt_inp = BTCAmountEdit(self.parent.get_decimal_point)
push_amt_inp.setAmount(0)
h.addWidget(QLabel(_('Your Node ID')), 0, 0)
h.addWidget(local_nodeid, 0, 1)
h.addWidget(
QLabel(_('Remote Node ID or connection string or invoice')), 1, 0)
h.addWidget(remote_nodeid, 1, 1)
h.addWidget(QLabel('Local amount'), 2, 0)
h.addWidget(local_amt_inp, 2, 1)
h.addWidget(QLabel('Push amount'), 3, 0)
h.addWidget(push_amt_inp, 3, 1)
vbox.addLayout(h)
ok_button = OkButton(d)
ok_button.setDefault(True)
vbox.addLayout(Buttons(CancelButton(d), ok_button))
suggestion = lnworker.suggest_peer() or b''
remote_nodeid.setText(bh2u(suggestion))
remote_nodeid.setCursorPosition(0)
if not d.exec_():
return
local_amt = local_amt_inp.get_amount()
push_amt = push_amt_inp.get_amount()
connect_contents = str(remote_nodeid.text()).strip()
self.parent.open_channel(connect_contents, local_amt, push_amt)
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(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 sign_transaction(self, keystore, tx: PartialTransaction, prev_tx):
prev_tx = {bfh(txhash): self.electrum_tx_to_txtype(tx) for txhash, tx in prev_tx.items()}
if not self.client:
raise Exception("client is None")
xpub = keystore.xpub
derivation = keystore.get_derivation_prefix()
if not self.force_pair_with_xpub(self.client, xpub, derivation):
raise Exception("Can't Pair With You Device When Sign tx")
inputs = self.tx_inputs(tx, for_sig=True, keystore=keystore)
outputs = self.tx_outputs(tx, keystore=keystore)
details = SignTx(lock_time=tx.locktime, version=tx.version)
signatures, _ = self.client.sign_tx(self.get_coin_name(), inputs, outputs, details=details, prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
raise Exception("sign success")
def sign_transaction(self, keystore, tx, prev_tx, xpub_path):
prev_tx = {
bfh(txhash): self.electrum_tx_to_txtype(tx, xpub_path)
for txhash, tx in prev_tx.items()
}
client = self.get_client(keystore)
inputs = self.tx_inputs(tx, xpub_path, True)
outputs = self.tx_outputs(keystore.get_derivation(), tx)
details = SignTx(lock_time=tx.locktime, version=tx.version)
signatures, _ = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
details=details,
prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def sign_transaction(self, tx, password):
# Build a PSBT in memory, upload it for signing.
# - we can also work offline (without paired device present)
if tx.is_complete():
return
client = self.get_client()
assert client.dev.master_fingerprint == self.ckcc_xfp
raw_psbt = self.build_psbt(tx)
#open('debug.psbt', 'wb').write(out_fd.getvalue())
try:
try:
self.handler.show_message("Authorize Transaction...")
client.sign_transaction_start(raw_psbt, True)
while 1:
# How to kill some time, without locking UI?
time.sleep(0.250)
resp = client.sign_transaction_poll()
if resp is not None:
break
rlen, rsha = resp
# download the resulting txn.
new_raw = client.download_file(rlen, rsha)
finally:
self.handler.finished()
except (CCUserRefused, CCBusyError) as exc:
print_error('[coldcard]', 'Did not sign:', str(exc))
self.handler.show_error(str(exc))
return
except BaseException as e:
traceback.print_exc(file=sys.stderr)
self.give_error(e, True)
return
# trust the coldcard to re-searilize final product right?
tx.update(bh2u(new_raw))
def sign_transaction(self, tx, password):
# Build a PSBT in memory, upload it for signing.
# - we can also work offline (without paired device present)
if tx.is_complete():
return
client = self.get_client()
assert client.dev.master_fingerprint == self.ckcc_xfp
raw_psbt = self.build_psbt(tx)
#open('debug.psbt', 'wb').write(out_fd.getvalue())
try:
try:
self.handler.show_message("Authorize Transaction...")
client.sign_transaction_start(raw_psbt, True)
while 1:
# How to kill some time, without locking UI?
time.sleep(0.250)
resp = client.sign_transaction_poll()
if resp is not None:
break
rlen, rsha = resp
# download the resulting txn.
new_raw = client.download_file(rlen, rsha)
finally:
self.handler.finished()
except (CCUserRefused, CCBusyError) as exc:
print_error('[coldcard]', 'Did not sign:', str(exc))
self.handler.show_error(str(exc))
return
except BaseException as e:
traceback.print_exc(file=sys.stderr)
self.give_error(e, True)
return
# trust the coldcard to re-searilize final product right?
tx.update(bh2u(new_raw))
def on_receive(self, keyhash, message):
self.print_error("signal arrived for", keyhash)
for key, _hash, window in self.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
elif wallet.has_keystore_encryption():
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:
password = None
if not window.question(
_("An encrypted transaction was retrieved from cosigning pool."
) + '\n' + _("Do you want to open it now?")):
return
xprv = wallet.keystore.get_master_private_key(password)
if not xprv:
return
try:
k = bitcoin.deserialize_xprv(xprv)[-1]
EC = ecc.ECPrivkey(k)
message = bh2u(EC.decrypt_message(message))
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_error(_('Error decrypting message') + ':\n' + str(e))
return
self.listener.clear(keyhash)
tx = transaction.Transaction(message,
window.network.get_server_height())
show_transaction(tx, window, prompt_if_unsaved=True)
def test_scrypt(self):
#0200000011f1fe21e0b66dc214be46366465cb95d29830e31ddd225a11349a836a993bf7b5db36b3e5593d039779bff204d132b65ee029a2e499ebeb5a4b19cbe862eee2b623cc5276676c1c000e1c60
header = {
'block_height': 12095,
'nonce': 1612451328,
'timestamp': 1389110198,
'version': 2,
'prev_block_hash':
'f73b996a839a34115a22dd1de33098d295cb65643646be14c26db6e021fef111',
'merkle_root':
'e2ee62e8cb194b5aebeb99e4a229e05eb632d104f2bf7997033d59e5b336dbb5',
'bits': 476866422
}
powhash = rev_hex(bh2u(scryptGetHash(bfh(serialize_header(header)))))
self.assertEqual(
powhash,
'00000000335c88172421df73a1c1f22f4d7c23d8ef34c78d728c4eff3ba24a34')
def on_receive(self, keyhash, message):
self.logger.info(f"signal arrived for {keyhash}")
for key, _hash, window in self.keys:
if _hash == keyhash:
break
else:
self.logger.info("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
elif wallet.has_keystore_encryption():
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:
password = None
if not window.question(
_("An encrypted transaction was retrieved from cosigning pool."
) + '\n' + _("Do you want to open it now?")):
return
xprv = wallet.keystore.get_master_private_key(password)
if not xprv:
return
try:
privkey = BIP32Node.from_xkey(xprv).eckey
message = bh2u(privkey.decrypt_message(message))
except Exception as e:
self.logger.exception('')
window.show_error(_('Error decrypting message') + ':\n' + str(e))
return
self.listener.clear(keyhash)
tx = transaction.Transaction(message)
show_transaction(tx, window, prompt_if_unsaved=True)
def test_push_script(self):
# https://github.com/bitcoin/bips/blob/master/bip-0062.mediawiki#push-operators
self.assertEqual(push_script(''), bh2u(bytes([opcodes.OP_0])))
self.assertEqual(push_script('07'), bh2u(bytes([opcodes.OP_7])))
self.assertEqual(push_script('10'), bh2u(bytes([opcodes.OP_16])))
self.assertEqual(push_script('81'), bh2u(bytes([opcodes.OP_1NEGATE])))
self.assertEqual(push_script('11'), '0111')
self.assertEqual(push_script(75 * '42'), '4b' + 75 * '42')
self.assertEqual(
push_script(76 * '42'),
bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('4c' + 76 * '42')))
self.assertEqual(
push_script(100 * '42'),
bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('64' + 100 * '42')))
self.assertEqual(
push_script(255 * '42'),
bh2u(bytes([opcodes.OP_PUSHDATA1]) + bfh('ff' + 255 * '42')))
self.assertEqual(
push_script(256 * '42'),
bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0001' + 256 * '42')))
self.assertEqual(
push_script(520 * '42'),
bh2u(bytes([opcodes.OP_PUSHDATA2]) + bfh('0802' + 520 * '42')))
def test_should_reject_coinbase_root_too_late(self):
header = self.deserialize_with_auxpow(header_without_mm)
input_script = bfh(header['powdata']['auxpow']
['parent_coinbase_tx'].inputs()[0]['scriptSig'])
padded_script = bfh('00') * (
auxpow.MAX_INDEX_PC_BACKWARDS_COMPATIBILITY + 4)
padded_script += input_script
header['powdata']['auxpow']['parent_coinbase_tx']._inputs[0][
'scriptSig'] = bh2u(padded_script)
self.clear_coinbase_outputs(header['powdata']['auxpow'])
with self.assertRaises(auxpow.AuxPoWCoinbaseRootTooLate):
blockchain.Blockchain.verify_header(header, prev_hash_without_mm,
target_without_mm)
def append_lnaddr(self, it: HTLCItem, lnaddr: LnAddr):
invoice = HTLCItem(_('Invoice'))
invoice.appendRow([
HTLCItem(_('Remote node public key')),
HTLCItem(bh2u(lnaddr.pubkey.serialize()))
])
invoice.appendRow([
HTLCItem(_('Amount in sat')),
HTLCItem(str(lnaddr.amount * COIN))
]) # might have a comma because mSAT!
invoice.appendRow([
HTLCItem(_('Description')),
HTLCItem(dict(lnaddr.tags).get('d', _('N/A')))
])
invoice.appendRow(
[HTLCItem(_('Date')),
HTLCItem(format_time(lnaddr.date))])
it.appendRow([invoice])
def format_fields(self, chan):
labels = {}
for subject in (REMOTE, LOCAL):
bal_minus_htlcs = chan.balance_minus_outgoing_htlcs(subject)//1000
label = self.parent.format_amount(bal_minus_htlcs)
other = subject.inverted()
bal_other = chan.balance(other)//1000
bal_minus_htlcs_other = chan.balance_minus_outgoing_htlcs(other)//1000
if bal_other != bal_minus_htlcs_other:
label += ' (+' + self.parent.format_amount(bal_other - bal_minus_htlcs_other) + ')'
labels[subject] = label
return [
format_short_channel_id(chan.short_channel_id),
bh2u(chan.node_id),
labels[LOCAL],
labels[REMOTE],
chan.get_state()
]
def do_send(self, tx):
for window, xpub, K, _hash in self.cosigner_list:
if not self.cosigner_can_sign(tx, xpub):
continue
raw_tx_bytes = bfh(str(tx))
message = bitcoin.encrypt_message(raw_tx_bytes,
bh2u(K)).decode('ascii')
try:
server.put(_hash, message)
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_error(
_("Failed to send transaction to cosigning pool") + ':\n' +
str(e))
return
window.show_message(
_("Your transaction was sent to the cosigning pool.") + '\n' +
_("Open your cosigner wallet to retrieve it."))
def test_compact_size(self):
s = transaction.BCDataStream()
values = [
0, 1, 252, 253, 2**16 - 1, 2**16, 2**32 - 1, 2**32, 2**64 - 1
]
for v in values:
s.write_compact_size(v)
with self.assertRaises(transaction.SerializationError):
s.write_compact_size(-1)
self.assertEqual(
bh2u(s.input),
'0001fcfdfd00fdfffffe00000100feffffffffff0000000001000000ffffffffffffffffff'
)
for v in values:
self.assertEqual(s.read_compact_size(), v)
with self.assertRaises(transaction.SerializationError):
s.read_compact_size()
def sign_transaction(self, keystore, tx: PartialTransaction, prev_tx):
prev_tx = {
bfh(txhash): self.electrum_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)
details = SignTx(version=tx.version,
overwintered=tx.overwintered,
version_group_id=tx.versionGroupId,
lock_time=tx.locktime,
expiry=tx.expiryHeight)
signatures, _ = client.sign_tx(self.get_coin_name(),
inputs,
outputs,
details=details,
prev_txes=prev_tx)
signatures = [(bh2u(x) + '01') for x in signatures]
tx.update_signatures(signatures)
def on_receive(self, keyhash, message):
self.print_error("signal arrived for", keyhash)
for key, _hash, window in self.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
elif wallet.has_keystore_encryption():
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:
password = None
if not window.question(_("An encrypted transaction was retrieved from cosigning pool.") + '\n' +
_("Do you want to open it now?")):
return
xprv = wallet.keystore.get_master_private_key(password)
if not xprv:
return
try:
k = bitcoin.deserialize_xprv(xprv)[-1]
EC = ecc.ECPrivkey(k)
message = bh2u(EC.decrypt_message(message))
except Exception as e:
traceback.print_exc(file=sys.stdout)
window.show_error(_('Error decrypting message') + ':\n' + str(e))
return
self.listener.clear(keyhash)
tx = transaction.Transaction(message)
show_transaction(tx, window, prompt_if_unsaved=True)
def on_qr(self, data):
from electrum.bitcoin import base_decode, is_address
data = data.strip()
if is_address(data):
self.set_URI(data)
return
if data.startswith('bitcoin:'):
self.set_URI(data)
return
# try to decode transaction
from electrum.transaction import Transaction
from electrum.util import bh2u
try:
text = bh2u(base_decode(data, None, base=43))
tx = Transaction(text)
tx.deserialize()
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error("Unable to decode QR data")
def update(self, window):
wallet = window.wallet
if type(wallet) != Multisig_Wallet:
return
if self.listener is None:
self.print_error("starting listener")
self.listener = Listener(self)
self.listener.start()
elif self.listener:
self.print_error("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()
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(self, window):
wallet = window.wallet
if type(wallet) != Multisig_Wallet:
return
if self.listener is None:
self.print_error("starting listener")
self.listener = Listener(self)
self.listener.start()
elif self.listener:
self.print_error("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()
K = bitcoin.deserialize_xpub(xpub)[-1]
_hash = bh2u(bitcoin.Hash(K))
if not keystore.is_watching_only():
self.keys.append((key, _hash, window))
else:
self.cosigner_list.append((window, xpub, K, _hash))
if self.listener:
self.listener.set_keyhashes([t[1] for t in self.keys])
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_basic(self):
# note: not a valid electrum seed
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic='foobar', passphrase='none')
self.assertEqual('741b72fd15effece6bfe5a26a52184f66811bd2be363190e07a42cca442b1a5bb22b3ad0eb338197287e6d314866c7fba863ac65d3f156087a5052ebc7157fce',
bh2u(seed))
def import_ecc_key_to_gpg(self, privkey: str, pubkey: str) -> bool:
assert len(pubkey) == 130
assert len(privkey) == 64
param_key = [
# Prime
("p", 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F),
# Coefficient A
("a", 0x0000000000000000000000000000000000000000000000000000000000000000),
# Coefficient B
("b", 0x0000000000000000000000000000000000000000000000000000000000000007),
# Generator in 04 || x || y format
("g",
0x0479BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8),
# Order of generator
("n", 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141),
]
def compute_keygrip(k):
md = sha1()
for e in k:
(e_name, e_value) = e
if e_value == -1:
l = 0
s = ""
else:
l = (e_value.bit_length() + 7) // 8
s = e_value.to_bytes(l, byteorder='big')
v = "(1:%s%d:" % (e_name, l)
vb = v.encode('utf-8') + s + b")"
md.update(vb)
return md.digest()
GCRYPT_SEXP_FMT = "(private-key(ecc(curve secp256k1)(q #%s#)(d #%s#)))"
keydata_str = GCRYPT_SEXP_FMT % (pubkey, privkey)
param_key.append(('q', int.from_bytes(bfh(pubkey), 'big')))
grip = bh2u(compute_keygrip(param_key)).upper()
self.pk_dir.mkdir(parents=True, exist_ok=True)
keygrip = self.pk_dir / (grip + '.key')
keygrip.open('w').write(keydata_str)
key_spec = '''
%echo Generating a secp256k1 OpenPGP key ECDSA and subkey ECDH from {0}
Key-Type: ECDSA
Key-Grip: {0}
Key-Curve: secp256k1
Key-Usage: sign,auth
Creation-Date: 20171105T000000Z
Name-Real: bitcoin
Name-Email: [email protected]
# Name-Comment:
Expire-Date: 0
Subkey-Type: ECDH
Subkey-Grip: {0}
Subkey-Curve: secp256k1
Subkey-Usage: encrypt
# Passphrase: abc
%commit
%echo done
'''
key_spec = key_spec.format(grip)
try:
key = self._gpg.gen_key(key_spec)
self.default_key = key.fingerprint
except Exception as e:
return False
return True
def _get_key_address(self):
root_xpub = self.wallet.keystore.xpub
xpub = bip32_public_derivation(root_xpub, 'm/', 'm/0/0')
pubk = bh2u(point_to_ser(ser_to_point(bfh(self._xpub_to_gpg_pub(xpub))), compressed=True))
addr = pubkey_to_address('p2pkh', pubk)
return addr
def _xpub_to_gpg_pub(xpub: str) -> str:
_, _, _, _, _, pubk = deserialize_xpub(xpub)
pubkey = bh2u(point_to_ser(ser_to_point(pubk), compressed=False))
return pubkey
def _get_gpg_ecc_compat_keys(cls, xprv) -> (str, str):
xprv, xpub = bip32_private_derivation(xprv, 'm/', 'm/0/0')
_, _, _, _, c, pk = deserialize_xprv(xprv)
pk = bh2u(pk)
pubk = cls._xpub_to_gpg_pub(xpub)
return pk, pubk
def sign_transaction(self, tx, password):
if tx.is_complete():
return
client = self.get_client()
inputs = []
inputsPaths = []
pubKeys = []
chipInputs = []
redeemScripts = []
signatures = []
preparedTrustedInputs = []
changePath = ""
changeAmount = None
output = None
outputAmount = None
p2shTransaction = False
segwitTransaction = False
pin = ""
self.get_client() # prompt for the PIN before displaying the dialog if necessary
# Fetch inputs of the transaction to sign
derivations = self.get_tx_derivations(tx)
for txin in tx.inputs():
if txin['type'] == 'coinbase':
self.give_error("Coinbase not supported") # should never happen
if txin['type'] in ['p2sh']:
p2shTransaction = True
if txin['type'] in ['p2wpkh-p2sh', 'p2wsh-p2sh']:
if not self.get_client_electrum().supports_segwit():
self.give_error(MSG_NEEDS_FW_UPDATE_SEGWIT)
segwitTransaction = True
if txin['type'] in ['p2wpkh', 'p2wsh']:
if not self.get_client_electrum().supports_native_segwit():
self.give_error(MSG_NEEDS_FW_UPDATE_SEGWIT)
segwitTransaction = True
pubkeys, x_pubkeys = tx.get_sorted_pubkeys(txin)
for i, x_pubkey in enumerate(x_pubkeys):
if x_pubkey in derivations:
signingPos = i
s = derivations.get(x_pubkey)
hwAddress = "%s/%d/%d" % (self.get_derivation()[2:], s[0], s[1])
break
else:
self.give_error("No matching x_key for sign_transaction") # should never happen
redeemScript = Transaction.get_preimage_script(txin)
txin_prev_tx = txin.get('prev_tx')
if txin_prev_tx is None and not Transaction.is_segwit_input(txin):
raise Exception(_('Offline signing with {} is not supported for legacy inputs.').format(self.device))
txin_prev_tx_raw = txin_prev_tx.raw if txin_prev_tx else None
inputs.append([txin_prev_tx_raw,
txin['prevout_n'],
redeemScript,
txin['prevout_hash'],
signingPos,
txin.get('sequence', 0xffffffff - 1),
txin.get('value')])
inputsPaths.append(hwAddress)
pubKeys.append(pubkeys)
# Sanity check
if p2shTransaction:
for txin in tx.inputs():
if txin['type'] != 'p2sh':
self.give_error("P2SH / regular input mixed in same transaction not supported") # should never happen
txOutput = var_int(len(tx.outputs()))
for txout in tx.outputs():
output_type, addr, amount = txout
txOutput += int_to_hex(amount, 8)
script = tx.pay_script(output_type, addr)
txOutput += var_int(len(script)//2)
txOutput += script
txOutput = bfh(txOutput)
# Recognize outputs - only one output and one change is authorized
if not p2shTransaction:
if not self.get_client_electrum().supports_multi_output():
if len(tx.outputs()) > 2:
self.give_error("Transaction with more than 2 outputs not supported")
for _type, address, amount in tx.outputs():
assert _type == TYPE_ADDRESS
info = tx.output_info.get(address)
if (info is not None) and len(tx.outputs()) > 1 \
and info[0][0] == 1: # "is on 'change' branch"
index, xpubs, m = info
changePath = self.get_derivation()[2:] + "/%d/%d"%index
changeAmount = amount
else:
output = address
outputAmount = amount
self.handler.show_message(_("Confirm Transaction on your Ledger device..."))
try:
# Get trusted inputs from the original transactions
for utxo in inputs:
sequence = int_to_hex(utxo[5], 4)
if segwitTransaction:
tmp = bfh(utxo[3])[::-1]
tmp += bfh(int_to_hex(utxo[1], 4))
tmp += bfh(int_to_hex(utxo[6], 8)) # txin['value']
chipInputs.append({'value' : tmp, 'witness' : True, 'sequence' : sequence})
redeemScripts.append(bfh(utxo[2]))
elif not p2shTransaction:
txtmp = bitcoinTransaction(bfh(utxo[0]))
trustedInput = self.get_client().getTrustedInput(txtmp, utxo[1])
trustedInput['sequence'] = sequence
chipInputs.append(trustedInput)
redeemScripts.append(txtmp.outputs[utxo[1]].script)
else:
tmp = bfh(utxo[3])[::-1]
tmp += bfh(int_to_hex(utxo[1], 4))
chipInputs.append({'value' : tmp, 'sequence' : sequence})
redeemScripts.append(bfh(utxo[2]))
# Sign all inputs
firstTransaction = True
inputIndex = 0
rawTx = tx.serialize()
self.get_client().enableAlternate2fa(False)
if segwitTransaction:
self.get_client().startUntrustedTransaction(True, inputIndex,
chipInputs, redeemScripts[inputIndex])
if changePath:
# we don't set meaningful outputAddress, amount and fees
# as we only care about the alternateEncoding==True branch
outputData = self.get_client().finalizeInput(b'', 0, 0, changePath, bfh(rawTx))
else:
outputData = self.get_client().finalizeInputFull(txOutput)
outputData['outputData'] = txOutput
transactionOutput = outputData['outputData']
if outputData['confirmationNeeded']:
outputData['address'] = output
self.handler.finished()
pin = self.handler.get_auth( outputData ) # does the authenticate dialog and returns pin
if not pin:
raise UserWarning()
if pin != 'paired':
self.handler.show_message(_("Confirmed. Signing Transaction..."))
while inputIndex < len(inputs):
singleInput = [ chipInputs[inputIndex] ]
self.get_client().startUntrustedTransaction(False, 0,
singleInput, redeemScripts[inputIndex])
inputSignature = self.get_client().untrustedHashSign(inputsPaths[inputIndex], pin, lockTime=tx.locktime)
inputSignature[0] = 0x30 # force for 1.4.9+
signatures.append(inputSignature)
inputIndex = inputIndex + 1
else:
while inputIndex < len(inputs):
self.get_client().startUntrustedTransaction(firstTransaction, inputIndex,
chipInputs, redeemScripts[inputIndex])
if changePath:
# we don't set meaningful outputAddress, amount and fees
# as we only care about the alternateEncoding==True branch
outputData = self.get_client().finalizeInput(b'', 0, 0, changePath, bfh(rawTx))
else:
outputData = self.get_client().finalizeInputFull(txOutput)
outputData['outputData'] = txOutput
if firstTransaction:
transactionOutput = outputData['outputData']
if outputData['confirmationNeeded']:
outputData['address'] = output
self.handler.finished()
pin = self.handler.get_auth( outputData ) # does the authenticate dialog and returns pin
if not pin:
raise UserWarning()
if pin != 'paired':
self.handler.show_message(_("Confirmed. Signing Transaction..."))
else:
# Sign input with the provided PIN
inputSignature = self.get_client().untrustedHashSign(inputsPaths[inputIndex], pin, lockTime=tx.locktime)
inputSignature[0] = 0x30 # force for 1.4.9+
signatures.append(inputSignature)
inputIndex = inputIndex + 1
if pin != 'paired':
firstTransaction = False
except UserWarning:
self.handler.show_error(_('Cancelled by user'))
return
except BTChipException as e:
if e.sw == 0x6985: # cancelled by user
return
elif e.sw == 0x6982:
raise # pin lock. decorator will catch it
else:
traceback.print_exc(file=sys.stderr)
self.give_error(e, True)
except BaseException as e:
traceback.print_exc(file=sys.stdout)
self.give_error(e, True)
finally:
self.handler.finished()
for i, txin in enumerate(tx.inputs()):
signingPos = inputs[i][4]
Transaction.add_signature_to_txin(txin, signingPos, bh2u(signatures[i]))
tx.raw = tx.serialize()
def test_to_seed(self):
seed = mnemonic.Mnemonic.mnemonic_to_seed(mnemonic='foobar', passphrase='none')
self.assertEqual(bh2u(seed),
'741b72fd15effece6bfe5a26a52184f66811bd2be363190e07a42cca442b1a5b'
'b22b3ad0eb338197287e6d314866c7fba863ac65d3f156087a5052ebc7157fce')
