def test_payto(self, mock_save_db):
wallet = restore_wallet_from_text(
'disagree rug lemon bean unaware square alone beach tennis exhibit fix mimic',
gap_limit=2,
path='if_this_exists_mocking_failed_648151893',
config=self.config)['wallet']
# bootstrap wallet
funding_tx = Transaction(
'0200000000010165806607dd458280cb57bf64a16cf4be85d053145227b98c28932e953076b8e20000000000fdffffff02ac150700000000001600147e3ddfe6232e448a8390f3073c7a3b2044fd17eb102908000000000016001427fbe3707bc57e5bb63d6f15733ec88626d8188a02473044022049ce9efbab88808720aa563e2d9bc40226389ab459c4390ea3e89465665d593502206c1c7c30a2f640af1e463e5107ee4cfc0ee22664cfae3f2606a95303b54cdef80121026269e54d06f7070c1f967eb2874ba60de550dfc327a945c98eb773672d9411fd77181e00'
)
funding_txid = funding_tx.txid()
self.assertEqual(
'ede61d39e501d65ccf34e6300da439419c43393f793bb9a8a4b06b2d0d80a8a0',
funding_txid)
wallet.receive_tx_callback(funding_txid, funding_tx,
TX_HEIGHT_UNCONFIRMED)
cmds = Commands(config=self.config)
tx_str = cmds._run(
'payto', (),
destination="tmona1qsfcddwf7yytl62e3catwv8hpl2hs9e367y8w6h",
amount="0.00123456",
feerate=50,
locktime=1972344,
wallet=wallet)
tx = tx_from_any(tx_str)
self.assertEqual(2, len(tx.outputs()))
txout = TxOutput.from_address_and_value(
"tmona1qsfcddwf7yytl62e3catwv8hpl2hs9e367y8w6h", 123456)
self.assertTrue(txout in tx.outputs())
self.assertEqual(
"02000000000101a0a8800d2d6bb0a4a8b93b793f39439c4139a40d30e634cf5cd601e5391de6ed0100000000fdffffff0240e20100000000001600148270d6b93e2117fd2b31c756e61ee1faaf02e63a462b060000000000160014a5103285eb519f826520a9f7d3227e1eaa7ec5f80247304402204b2c53c5bf044955591b9f283f71d37e1d604b98105b697d2588a390ebabe35b0220351669747903759e483fa601ffd8a9a3be9d772cdabd88e6154076b97492f8d5012103001b55f19541faaf7e6d57dd1bdb9fdc37725fc500e12f2418cc11e0aed4154978181e00",
tx_str)
def on_qr(self, data):
from electrum_mona.bitcoin import base_decode, is_address
data = data.strip()
if is_address(data):
self.set_URI(data)
return
if data.startswith('monacoin:'):
self.set_URI(data)
return
if data.startswith('ln'):
self.set_ln_invoice(data)
return
# try to decode transaction
from electrum_mona.transaction import Transaction
from electrum_mona.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 test_signtransaction_with_wallet(self, mock_save_db):
wallet = restore_wallet_from_text(
'bitter grass shiver impose acquire brush forget axis eager alone wine silver',
gap_limit=2,
path='if_this_exists_mocking_failed_648151893',
config=self.config)['wallet']
# bootstrap wallet1
funding_tx = Transaction(
'01000000014576dacce264c24d81887642b726f5d64aa7825b21b350c7b75a57f337da6845010000006b483045022100a3f8b6155c71a98ad9986edd6161b20d24fad99b6463c23b463856c0ee54826d02200f606017fd987696ebbe5200daedde922eee264325a184d5bbda965ba5160821012102e5c473c051dae31043c335266d0ef89c1daab2f34d885cc7706b267f3269c609ffffffff0240420f00000000001600148a28bddb7f61864bdcf58b2ad13d5aeb3abc3c42a2ddb90e000000001976a914c384950342cb6f8df55175b48586838b03130fad88ac00000000'
)
funding_txid = funding_tx.txid()
funding_output_value = 1000000
self.assertEqual(
'add2535aedcbb5ba79cc2260868bb9e57f328738ca192937f2c92e0e94c19203',
funding_txid)
wallet.receive_tx_callback(funding_txid, funding_tx,
TX_HEIGHT_UNCONFIRMED)
cmds = Commands(config=self.config)
unsigned_tx = "cHNidP8BAHECAAAAAQOSwZQOLsnyNykZyjiHMn/luYuGYCLMebq1y+1aU9KtAAAAAAD+////AigjAAAAAAAAFgAUaQtZqBQGAvsjzCkE7OnMTa82EFIwGw8AAAAAABYAFKwOLSKSAL/7IWftb9GWrvnWh9i7AAAAAAABAN8BAAAAAUV22sziZMJNgYh2Qrcm9dZKp4JbIbNQx7daV/M32mhFAQAAAGtIMEUCIQCj+LYVXHGpitmYbt1hYbINJPrZm2RjwjtGOFbA7lSCbQIgD2BgF/2YdpbrvlIA2u3eki7uJkMloYTVu9qWW6UWCCEBIQLlxHPAUdrjEEPDNSZtDvicHaqy802IXMdwayZ/MmnGCf////8CQEIPAAAAAAAWABSKKL3bf2GGS9z1iyrRPVrrOrw8QqLduQ4AAAAAGXapFMOElQNCy2+N9VF1tIWGg4sDEw+tiKwAAAAAIgYDD67ptKJbfbggI8qYkZJxLN1MtT09kzhZHHkJ5YGuHAwQsuNafQAAAIAAAAAAAAAAAAAiAgKFhOeJ459BORsvJ4UsoYq+wGpUEcIb41D+1h7scSDeUxCy41p9AAAAgAEAAAAAAAAAAAA="
self.assertEqual(
"020000000001010392c1940e2ec9f2372919ca3887327fe5b98b866022cc79bab5cbed5a53d2ad0000000000feffffff022823000000000000160014690b59a8140602fb23cc2904ece9cc4daf361052301b0f0000000000160014ac0e2d229200bffb2167ed6fd196aef9d687d8bb02473044022027e1e37172e52b2d84106663cff5bcf6e447dcb41f6483f99584cfb4de2785f4022005c72f6324ad130c78fca43fe5fc565526d1723f2c9dc3efea78f66d7ae9d4360121030faee9b4a25b7db82023ca989192712cdd4cb53d3d9338591c7909e581ae1c0c00000000",
cmds._run('signtransaction', (), tx=unsigned_tx, wallet=wallet))
def test_bumpfee(self, mock_save_db):
wallet = restore_wallet_from_text(
'right nominee cheese afford exotic pilot mask illness rug fringe degree pottery',
gap_limit=2,
path='if_this_exists_mocking_failed_648151893',
config=self.config)['wallet']
funding_tx = Transaction(
"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"
)
funding_txid = funding_tx.txid()
wallet.receive_tx_callback(funding_txid, funding_tx,
TX_HEIGHT_UNCONFIRMED)
cmds = Commands(config=self.config)
tx = "02000000000101b9723dfc69af058ef6613539a000d2cd098a2c8a74e802b6d8739db708ba8c9a0100000000fdffffff02a00f00000000000016001429e1fd187f0cac845946ae1b11dc136c536bfc0fe8b2000000000000160014100611bcb3aee7aad176936cf4ed56ade03027aa02473044022063c05e2347f16251922830ccc757231247b3c2970c225f988e9204844a1ab7b802204652d2c4816707e3d3bea2609b83b079001a435bad2a99cc2e730f276d07070c012102ee3f00141178006c78b0b458aab21588388335078c655459afe544211f15aee050721f00"
self.assertEqual(
"02000000000101b9723dfc69af058ef6613539a000d2cd098a2c8a74e802b6d8739db708ba8c9a0100000000fdffffff01a00f00000000000016001429e1fd187f0cac845946ae1b11dc136c536bfc0f0247304402207431f2a69e8083fbf0e29065e76e15f7a1ceba87425839f34898c3e0bec10e3602205f59f7eddc5e4ad0b3067ba2e5d2d68f92e3621671e555d968943e1fb74e6378012102ee3f00141178006c78b0b458aab21588388335078c655459afe544211f15aee000000000",
cmds._run('bumpfee', (), tx=tx, new_fee_rate='1.6', wallet=wallet))
self.assertEqual(
"02000000000101b9723dfc69af058ef6613539a000d2cd098a2c8a74e802b6d8739db708ba8c9a0100000000fdffffff01a00f00000000000016001429e1fd187f0cac845946ae1b11dc136c536bfc0f0247304402207431f2a69e8083fbf0e29065e76e15f7a1ceba87425839f34898c3e0bec10e3602205f59f7eddc5e4ad0b3067ba2e5d2d68f92e3621671e555d968943e1fb74e6378012102ee3f00141178006c78b0b458aab21588388335078c655459afe544211f15aee000000000",
cmds._run(
'bumpfee', (),
tx=tx,
new_fee_rate='1.6',
from_coins=
"9a8cba08b79d73d8b602e8748a2c8a09cdd200a0393561f68e05af69fc3d72b9:1",
wallet=wallet))
def merge_sigs_from_psbt(tx: Transaction, psbt: BasicPSBT):
# Take new signatures from PSBT, and merge into in-memory transaction object.
# - "we trust everyone here" ... no validation/checks
count = 0
for inp_idx, inp in enumerate(psbt.inputs):
if not inp.part_sigs:
continue
scr = inp.redeem_script or inp.witness_script
# need to map from pubkey to signing position in redeem script
M, N, _, pubkeys, _ = parse_redeemScript_multisig(scr)
#assert (M, N) == (wallet.m, wallet.n)
for sig_pk in inp.part_sigs:
pk_pos = pubkeys.index(sig_pk.hex())
tx.add_signature_to_txin(inp_idx, pk_pos, inp.part_sigs[sig_pk].hex())
count += 1
#print("#%d: sigs = %r" % (inp_idx, tx.inputs()[inp_idx]['signatures']))
# reset serialization of TX
tx.raw = tx.serialize()
tx.raw_psbt = None
return count
def test_paytomany_multiple_max_spends(self, mock_save_db):
wallet = restore_wallet_from_text(
'kit virtual quantum festival fortune inform ladder saddle filter soldier start ghost',
gap_limit=2,
path='if_this_exists_mocking_failed_648151893',
config=self.config)['wallet']
# bootstrap wallet
funding_tx = Transaction(
'02000000000101f59876b1c65bbe3e182ccc7ea7224fe397bb9b70aadcbbf4f4074c75c8a074840000000000fdffffff021f351f00000000001600144eec851dd980cc36af1f629a32325f511604d6af56732d000000000016001439267bc7f3e3fabeae3bc3f73880de22d8b01ba50247304402207eac5f639806a00878488d58ca651d690292145bca5511531845ae21fab309d102207162708bd344840cc1bacff1092e426eb8484f83f5c068ba4ca579813de324540121020e0798c267ff06ee8b838cd465f3cfa6c843a122a04917364ce000c29ca205cae5f31f00'
)
funding_txid = funding_tx.txid()
self.assertEqual(
'e8e977bd9c857d84ec1b8f154ae2ee5dfa49fffb7688942a586196c1ad15de15',
funding_txid)
wallet.receive_tx_callback(funding_txid, funding_tx,
TX_HEIGHT_UNCONFIRMED)
cmds = Commands(config=self.config)
tx_str = cmds._run(
'paytomany', (),
outputs=[["tmona1qk3g0t9pw5wctkzz7gh6k3ljfuukn729svsm6f3", 0.002],
["tmona1qr7evucrllljtryam6y2k3ntmlptq208p7el3kl", "2!"],
["tmona1qs3msqp0n0qade2haanjw2dkaa5lm77vw6kxpnl", 0.003],
["tmona1qar4ye43tdfj6y5n3yndp9adhs2wuz2v0cxlagh", "3!"]],
fee="0.00005000",
locktime=2094054,
wallet=wallet)
tx = tx_from_any(tx_str)
self.assertEqual(4, len(tx.outputs()))
self.assertEqual(
"0200000000010115de15adc19661582a948876fbff49fa5deee24a158f1bec847d859cbd77e9e80100000000fdffffff04400d030000000000160014b450f5942ea3b0bb085e45f568fe49e72d3f28b0e09304000000000016001484770005f3783adcaafdece4e536dded3fbf798e12190f00000000001600141fb2ce607fffe4b193bbd11568cd7bf856053ce19ca5160000000000160014e8ea4cd62b6a65a2527124da12f5b7829dc1298f02473044022079570c62352d7c462ee50851d27f829f7ea5757d258b6b38a6b377a4910ba597022056653f1b15a9693ba790e89ebac60e33b7a1d8357e05cd3d7ecc1ae00e9ab4a8012102eed460ead0cbaa71ad52b70899acf4ea12682ab237207b045c5cf9c6d11c2bcfe6f31f00",
tx_str)
def input_script(self, txin, estimate_size=False):
if txin['type'] == 'p2pkh':
return Transaction.get_preimage_script(txin)
if txin['type'] == 'p2sh':
# Multisig verification has partial support, but is disabled. This is the
# expected serialization though, so we leave it here until we activate it.
return '00' + push_script(Transaction.get_preimage_script(txin))
raise Exception("unsupported type %s" % txin['type'])
def sign_transaction(self, tx: Transaction, password):
# Build a PSBT in memory, upload it for signing.
# - we can also work offline (without paired device present)
if tx.is_complete():
return
assert self.my_wallet, "Not clear which wallet associated with this Coldcard"
client = self.get_client()
assert client.dev.master_fingerprint == self.ckcc_xfp
# makes PSBT required
raw_psbt = build_psbt(tx, self.my_wallet)
cc_finalize = not (type(self.my_wallet) is Multisig_Wallet)
try:
try:
self.handler.show_message("Authorize Transaction...")
client.sign_transaction_start(raw_psbt, cc_finalize)
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.
raw_resp = client.download_file(rlen, rsha)
finally:
self.handler.finished()
except (CCUserRefused, CCBusyError) as exc:
self.logger.info(f'Did not sign: {exc}')
self.handler.show_error(str(exc))
return
except BaseException as e:
self.logger.exception('')
self.give_error(e, True)
return
if cc_finalize:
# We trust the coldcard to re-serialize final transaction ready to go
tx.update(bh2u(raw_resp))
else:
# apply partial signatures back into txn
psbt = BasicPSBT()
psbt.parse(raw_resp, client.label())
merge_sigs_from_psbt(tx, psbt)
def parse(self, raw, filename=None):
# auto-detect and decode Base64 and Hex.
if raw[0:10].lower() == b'70736274ff':
raw = a2b_hex(raw.strip())
if raw[0:6] == b'cHNidP':
raw = b64decode(raw)
assert raw[0:5] == b'psbt\xff', "bad magic"
self.filename = filename
with io.BytesIO(raw[5:]) as fd:
# globals
while 1:
ks = deser_compact_size(fd)
if ks is None: break
if ks == 0: break
key = fd.read(ks)
vs = deser_compact_size(fd)
val = fd.read(vs)
kt = key[0]
if kt == PSBT_GLOBAL_UNSIGNED_TX:
self.txn = val
self.parsed_txn = Transaction(val.hex())
num_ins = len(self.parsed_txn.inputs())
num_outs = len(self.parsed_txn.outputs())
elif kt == PSBT_GLOBAL_XPUB:
# key=(xpub) => val=(path)
self.xpubs.append((key, val))
else:
raise ValueError('unknown global key type: 0x%02x' % kt)
assert self.txn, 'missing reqd section'
self.inputs = [BasicPSBTInput(fd, idx) for idx in range(num_ins)]
self.outputs = [
BasicPSBTOutput(fd, idx) for idx in range(num_outs)
]
sep = fd.read(1)
assert sep == b''
return self
def input_script(self,
txin: PartialTxInput,
*,
estimate_size=False):
if txin.script_type == 'p2pkh':
return Transaction.get_preimage_script(txin)
raise Exception("unsupported type %s" % txin.script_type)
def test_extract_commitment_number_from_tx(self):
raw_tx = "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"
tx = Transaction(raw_tx)
self.assertEqual(
commitment_number,
extract_ctn_from_tx(tx, 0, local_payment_basepoint,
remote_payment_basepoint))
def tx_outputs(self, derivation, tx: Transaction):
def create_output_by_derivation():
script_type = self.get_keepkey_output_script_type(info.script_type)
if len(xpubs) == 1:
address_n = self.client_class.expand_path(derivation + "/%d/%d" % index)
txoutputtype = self.types.TxOutputType(
amount=amount,
script_type=script_type,
address_n=address_n,
)
else:
address_n = self.client_class.expand_path("/%d/%d" % index)
pubkeys = [self._make_node_path(xpub, address_n) for xpub in xpubs]
multisig = self.types.MultisigRedeemScriptType(
pubkeys=pubkeys,
signatures=[b''] * len(pubkeys),
m=m)
txoutputtype = self.types.TxOutputType(
multisig=multisig,
amount=amount,
address_n=self.client_class.expand_path(derivation + "/%d/%d" % index),
script_type=script_type)
return txoutputtype
def create_output_by_address():
txoutputtype = self.types.TxOutputType()
txoutputtype.amount = amount
if _type == TYPE_SCRIPT:
txoutputtype.script_type = self.types.PAYTOOPRETURN
txoutputtype.op_return_data = trezor_validate_op_return_output_and_get_data(o)
elif _type == TYPE_ADDRESS:
txoutputtype.script_type = self.types.PAYTOADDRESS
txoutputtype.address = address
return txoutputtype
outputs = []
has_change = False
any_output_on_change_branch = is_any_tx_output_on_change_branch(tx)
for o in tx.outputs():
_type, address, amount = o.type, o.address, o.value
use_create_by_derivation = False
info = tx.output_info.get(address)
if info is not None and not has_change:
index, xpubs, m = info.address_index, info.sorted_xpubs, info.num_sig
# prioritise hiding outputs on the 'change' branch from user
# because no more than one change address allowed
if info.is_change == any_output_on_change_branch:
use_create_by_derivation = True
has_change = True
if use_create_by_derivation:
txoutputtype = create_output_by_derivation()
else:
txoutputtype = create_output_by_address()
outputs.append(txoutputtype)
return outputs
def show_qr(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
tx = copy.deepcopy(tx) # make copy as we mutate tx
if isinstance(tx, PartialTransaction):
# this makes QR codes a lot smaller (or just possible in the first place!)
tx.convert_all_utxos_to_witness_utxos()
text = tx.serialize_as_bytes()
text = base_encode(text, base=43)
try:
self.main_window.show_qrcode(text, 'Transaction', parent=self)
except qrcode.exceptions.DataOverflowError:
self.show_error(_('Failed to display QR code.') + '\n' +
_('Transaction is too large in size.'))
except Exception as e:
self.show_error(_('Failed to display QR code.') + '\n' + repr(e))
def do_paste(self):
data = self.app._clipboard.paste()
if not data:
self.app.show_info(_("Clipboard is empty"))
return
# try to decode as transaction
try:
raw_tx = tx_from_str(data)
tx = Transaction(raw_tx)
tx.deserialize()
except:
tx = None
if tx:
self.app.tx_dialog(tx)
return
# try to decode as URI/address
self.set_URI(data)
def is_any_tx_output_on_change_branch(tx: Transaction) -> bool:
if not tx.output_info:
return False
for o in tx.outputs():
info = tx.output_info.get(o.address)
if info is not None:
return info.is_change
return False
def export_to_file(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
if isinstance(tx, PartialTransaction):
tx.finalize_psbt()
if tx.is_complete():
name = 'signed_%s' % (tx.txid()[0:8])
extension = 'txn'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
else:
name = self.wallet.basename() + time.strftime('-%Y%m%d-%H%M')
extension = 'psbt'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
name = f'{name}.{extension}'
fileName = self.main_window.getSaveFileName(_("Select where to save your transaction"),
name,
TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
default_extension=extension,
default_filter=default_filter)
if not fileName:
return
if tx.is_complete(): # network tx hex
with open(fileName, "w+") as f:
network_tx_hex = tx.serialize_to_network()
f.write(network_tx_hex + '\n')
else: # if partial: PSBT bytes
assert isinstance(tx, PartialTransaction)
with open(fileName, "wb+") as f:
f.write(tx.serialize_as_bytes())
self.show_message(_("Transaction exported successfully"))
self.saved = True
def is_any_tx_output_on_change_branch(tx: Transaction):
if not tx.output_info:
return False
for o in tx.outputs():
info = tx.output_info.get(o.address)
if info is not None:
if info.address_index[0] == 1:
return True
return False
def sign_transaction(self, tx, password):
if tx.is_complete():
return
# previous transactions used as inputs
prev_tx = {}
for txin in tx.inputs():
tx_hash = txin.prevout.txid.hex()
if txin.utxo is None and not Transaction.is_segwit_input(txin):
raise UserFacingException(_('Missing previous tx for legacy input.'))
prev_tx[tx_hash] = txin.utxo
self.plugin.sign_transaction(self, tx, prev_tx)
def show_qr(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
qr_data = tx.to_qr_data()
try:
self.main_window.show_qrcode(qr_data, 'Transaction', parent=self)
except qrcode.exceptions.DataOverflowError:
self.show_error(
_('Failed to display QR code.') + '\n' +
_('Transaction is too large in size.'))
except Exception as e:
self.show_error(_('Failed to display QR code.') + '\n' + repr(e))
def tx_outputs(self, derivation, tx: Transaction):
def create_output_by_derivation():
script_type = self.get_trezor_output_script_type(info.script_type)
deriv = parse_path("/%d/%d" % index)
multisig = self._make_multisig(m,
[(xpub, deriv) for xpub in xpubs])
txoutputtype = TxOutputType(multisig=multisig,
amount=amount,
address_n=parse_path(derivation +
"/%d/%d" % index),
script_type=script_type)
return txoutputtype
def create_output_by_address():
txoutputtype = TxOutputType()
txoutputtype.amount = amount
if _type == TYPE_SCRIPT:
txoutputtype.script_type = OutputScriptType.PAYTOOPRETURN
txoutputtype.op_return_data = trezor_validate_op_return_output_and_get_data(
o)
elif _type == TYPE_ADDRESS:
txoutputtype.script_type = OutputScriptType.PAYTOADDRESS
txoutputtype.address = address
return txoutputtype
outputs = []
has_change = False
any_output_on_change_branch = is_any_tx_output_on_change_branch(tx)
for o in tx.outputs():
_type, address, amount = o.type, o.address, o.value
use_create_by_derivation = False
info = tx.output_info.get(address)
if info is not None and not has_change:
index, xpubs, m = info.address_index, info.sorted_xpubs, info.num_sig
# prioritise hiding outputs on the 'change' branch from user
# because no more than one change address allowed
# note: ^ restriction can be removed once we require fw
# that has https://github.com/trezor/trezor-mcu/pull/306
if info.is_change == any_output_on_change_branch:
use_create_by_derivation = True
has_change = True
if use_create_by_derivation:
txoutputtype = create_output_by_derivation()
else:
txoutputtype = create_output_by_address()
outputs.append(txoutputtype)
return outputs
def do_paste(self):
data = self.app._clipboard.paste().strip()
if not data:
self.app.show_info(_("Clipboard is empty"))
return
# try to decode as transaction
try:
raw_tx = tx_from_str(data)
tx = Transaction(raw_tx)
tx.deserialize()
except:
tx = None
if tx:
self.app.tx_dialog(tx)
return
lower = data.lower()
if lower.startswith('lightning:ln'):
lower = lower[10:]
# try to decode as URI/address
if lower.startswith('ln'):
self.set_ln_invoice(lower)
else:
self.set_URI(data)
def tx_inputs(self,
tx: Transaction,
*,
for_sig=False,
keystore: 'KeepKey_KeyStore' = None):
inputs = []
for txin in tx.inputs():
txinputtype = self.types.TxInputType()
if txin.is_coinbase_input():
prev_hash = b"\x00" * 32
prev_index = 0xffffffff # signed int -1
else:
if for_sig:
assert isinstance(tx, PartialTransaction)
assert isinstance(txin, PartialTxInput)
assert keystore
if len(txin.pubkeys) > 1:
xpubs_and_deriv_suffixes = get_xpubs_and_der_suffixes_from_txinout(
tx, txin)
multisig = self._make_multisig(
txin.num_sig, xpubs_and_deriv_suffixes)
else:
multisig = None
script_type = self.get_keepkey_input_script_type(
txin.script_type)
txinputtype = self.types.TxInputType(
script_type=script_type, multisig=multisig)
my_pubkey, full_path = keystore.find_my_pubkey_in_txinout(
txin)
if full_path:
txinputtype.address_n.extend(full_path)
prev_hash = txin.prevout.txid
prev_index = txin.prevout.out_idx
if txin.value_sats() is not None:
txinputtype.amount = txin.value_sats()
txinputtype.prev_hash = prev_hash
txinputtype.prev_index = prev_index
if txin.script_sig is not None:
txinputtype.script_sig = txin.script_sig
txinputtype.sequence = txin.nsequence
inputs.append(txinputtype)
return inputs
def show_address(self, sequence, txin_type):
client = self.get_client()
address_path = self.get_derivation()[2:] + "/%d/%d"%sequence
self.handler.show_message(_("Showing address ..."))
segwit = Transaction.is_segwit_inputtype(txin_type)
segwitNative = txin_type == 'p2wpkh'
try:
client.getWalletPublicKey(address_path, showOnScreen=True, segwit=segwit, segwitNative=segwitNative)
except BTChipException as e:
if e.sw == 0x6985: # cancelled by user
pass
else:
traceback.print_exc(file=sys.stderr)
self.handler.show_error(e)
except BaseException as e:
traceback.print_exc(file=sys.stderr)
self.handler.show_error(e)
finally:
self.handler.finished()
def sign_transaction(self, tx, password):
if tx.is_complete():
return
# previous transactions used as inputs
prev_tx = {}
# path of the xpubs that are involved
xpub_path = {}
for txin in tx.inputs():
pubkeys, x_pubkeys = tx.get_sorted_pubkeys(txin)
tx_hash = txin['prevout_hash']
if txin.get('prev_tx') is None and not Transaction.is_segwit_input(txin):
raise UserFacingException(_('Offline signing with {} is not supported for legacy inputs.').format(self.device))
prev_tx[tx_hash] = txin['prev_tx']
for x_pubkey in x_pubkeys:
if not is_xpubkey(x_pubkey):
continue
xpub, s = parse_xpubkey(x_pubkey)
if xpub == self.get_master_public_key():
xpub_path[xpub] = self.get_derivation()
self.plugin.sign_transaction(self, tx, prev_tx, xpub_path)
def tx_inputs(self,
tx: Transaction,
*,
for_sig=False,
keystore: 'TrezorKeyStore' = None):
inputs = []
for txin in tx.inputs():
if txin.is_coinbase_input():
txinputtype = TxInputType(
prev_hash=b"\x00" * 32,
prev_index=0xffffffff, # signed int -1
)
else:
txinputtype = TxInputType(
prev_hash=txin.prevout.txid,
prev_index=txin.prevout.out_idx,
)
if for_sig:
assert isinstance(tx, PartialTransaction)
assert isinstance(txin, PartialTxInput)
assert keystore
if len(txin.pubkeys) > 1:
xpubs_and_deriv_suffixes = get_xpubs_and_der_suffixes_from_txinout(
tx, txin)
txinputtype.multisig = self._make_multisig(
txin.num_sig, xpubs_and_deriv_suffixes)
txinputtype.script_type = self.get_trezor_input_script_type(
txin.script_type)
my_pubkey, full_path = keystore.find_my_pubkey_in_txinout(
txin)
if full_path:
txinputtype.address_n = full_path
txinputtype.amount = txin.value_sats()
txinputtype.script_sig = txin.script_sig
txinputtype.sequence = txin.nsequence
inputs.append(txinputtype)
return inputs
def __init__(self, chan: Channel, app: 'ElectrumWindow', **kwargs):
Popup.__init__(self, **kwargs)
Logger.__init__(self)
self.is_closed = chan.is_closed()
self.is_redeemed = chan.is_redeemed()
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 __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 recover_tx_from_psbt(first: BasicPSBT,
wallet: Abstract_Wallet) -> Transaction:
# Take a PSBT object and re-construct the Electrum transaction object.
# - does not include signatures, see merge_sigs_from_psbt
# - any PSBT in the group could be used for this purpose; all must share tx details
tx = Transaction(first.txn.hex())
tx.deserialize(force_full_parse=True)
# .. add back some data that's been preserved in the PSBT, but isn't part of
# of the unsigned bitcoin txn
tx.is_partial_originally = True
for idx, inp in enumerate(tx.inputs()):
scr = first.inputs[idx].redeem_script or first.inputs[
idx].witness_script
# XXX should use transaction.py parse_scriptSig() here!
if scr:
try:
M, N, __, pubkeys, __ = parse_redeemScript_multisig(scr)
except NotRecognizedRedeemScript:
# limitation: we can only handle M-of-N multisig here
raise ValueError("Cannot handle non M-of-N multisig input")
inp['pubkeys'] = pubkeys
inp['x_pubkeys'] = pubkeys
inp['num_sig'] = M
inp['type'] = 'p2wsh' if first.inputs[
idx].witness_script else 'p2sh'
# bugfix: transaction.py:parse_input() puts empty dict here, but need a list
inp['signatures'] = [None] * N
if 'prev_tx' not in inp:
# fetch info about inputs' previous txn
wallet.add_hw_info(tx)
if 'value' not in inp:
# we'll need to know the value of the outpts used as part
# of the witness data, much later...
inp['value'] = inp['prev_tx'].outputs()[inp['prevout_n']].value
return tx
def export_to_file(self, *, tx: Transaction = None):
if tx is None:
tx = self.tx
if isinstance(tx, PartialTransaction):
tx.finalize_psbt()
txid = tx.txid()
suffix = txid[0:8] if txid is not None else time.strftime(
'%Y%m%d-%H%M')
if tx.is_complete():
extension = 'txn'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_COMPLETE_TX
else:
extension = 'psbt'
default_filter = TRANSACTION_FILE_EXTENSION_FILTER_ONLY_PARTIAL_TX
name = f'{self.wallet.basename()}-{suffix}.{extension}'
fileName = getSaveFileName(
parent=self,
title=_("Select where to save your transaction"),
filename=name,
filter=TRANSACTION_FILE_EXTENSION_FILTER_SEPARATE,
default_extension=extension,
default_filter=default_filter,
config=self.config,
)
if not fileName:
return
if tx.is_complete(): # network tx hex
with open(fileName, "w+") as f:
network_tx_hex = tx.serialize_to_network()
f.write(network_tx_hex + '\n')
else: # if partial: PSBT bytes
assert isinstance(tx, PartialTransaction)
with open(fileName, "wb+") as f:
f.write(tx.serialize_as_bytes())
self.show_message(_("Transaction exported successfully"))
self.saved = True
def __init__(self, tx: Transaction, parent: 'ElectrumWindow', 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 = tx = copy.deepcopy(tx)
try:
self.tx.deserialize()
except BaseException as e:
raise SerializationError(e)
self.main_window = parent
self.wallet = parent.wallet
self.prompt_if_unsaved = prompt_if_unsaved
self.saved = False
self.desc = desc
# if the wallet can populate the inputs with more info, do it now.
# as a result, e.g. we might learn an imported address tx is segwit,
# in which case it's ok to display txid
tx.add_inputs_info(self.wallet)
self.setMinimumWidth(950)
self.setWindowTitle(_("Transaction"))
vbox = QVBoxLayout()
self.setLayout(vbox)
vbox.addWidget(QLabel(_("Transaction ID:")))
self.tx_hash_e = ButtonsLineEdit()
qr_show = lambda: parent.show_qrcode(str(self.tx_hash_e.text()), 'Transaction ID', parent=self)
qr_icon = "qrcode_white.png" if ColorScheme.dark_scheme else "qrcode.png"
self.tx_hash_e.addButton(qr_icon, qr_show, _("Show as QR code"))
self.tx_hash_e.setReadOnly(True)
vbox.addWidget(self.tx_hash_e)
self.add_tx_stats(vbox)
vbox.addSpacing(10)
self.add_io(vbox)
self.sign_button = b = QPushButton(_("Sign"))
b.clicked.connect(self.sign)
self.broadcast_button = b = QPushButton(_("Broadcast"))
b.clicked.connect(self.do_broadcast)
self.save_button = b = QPushButton(_("Save"))
save_button_disabled = not tx.is_complete()
b.setDisabled(save_button_disabled)
if save_button_disabled:
b.setToolTip(SAVE_BUTTON_DISABLED_TOOLTIP)
else:
b.setToolTip(SAVE_BUTTON_ENABLED_TOOLTIP)
b.clicked.connect(self.save)
self.export_button = b = QPushButton(_("Export"))
b.clicked.connect(self.export)
self.cancel_button = b = QPushButton(_("Close"))
b.clicked.connect(self.close)
b.setDefault(True)
self.qr_button = b = QPushButton()
b.setIcon(read_QIcon(qr_icon))
b.clicked.connect(self.show_qr)
self.copy_button = CopyButton(lambda: str(self.tx), parent.app)
# Action buttons
self.buttons = [self.sign_button, self.broadcast_button, self.cancel_button]
# Transaction sharing buttons
self.sharing_buttons = [self.copy_button, self.qr_button, self.export_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)
self.update()