def test_roundtrip(self):
longdescription = (
'One piece of chocolate cake, one icecream cone, one'
' pickle, one slice of swiss cheese, one slice of salami,'
' one lollypop, one piece of cherry pie, one sausage, one'
' cupcake, and one slice of watermelon')
tests = [
LnAddr(RHASH, tags=[('d', '')]),
LnAddr(RHASH,
amount=Decimal('0.001'),
tags=[('d', '1 cup coffee'), ('x', 60)]),
LnAddr(RHASH, amount=Decimal('1'), tags=[('h', longdescription)]),
LnAddr(RHASH,
currency='tb',
tags=[('f', 'mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP'),
('h', longdescription)]),
LnAddr(
RHASH,
amount=24,
tags=
[('r',
[(unhexlify(
'029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255'
),
unhexlify('0102030405060708'), 1, 20, 3),
(unhexlify(
'039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255'
), unhexlify('030405060708090a'), 2, 30, 4)]),
('f', '1RustyRX2oai4EYYDpQGWvEL62BBGqN9T'),
('h', longdescription)]),
LnAddr(RHASH,
amount=24,
tags=[('f', '3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX'),
('h', longdescription)]),
LnAddr(RHASH,
amount=24,
tags=[('f', 'bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4'),
('h', longdescription)]),
LnAddr(
RHASH,
amount=24,
tags=
[('f',
'bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3'
), ('h', longdescription)]),
LnAddr(RHASH,
amount=24,
tags=[('n', PUBKEY), ('h', longdescription)]),
]
# Roundtrip
for t in tests:
o = lndecode(lnencode(t, PRIVKEY), expected_hrp=t.currency)
self.compare(t, o)
def test_n_decoding(self):
# We flip the signature recovery bit, which would normally give a different
# pubkey.
hrp, data = bech32_decode(
lnencode(LnAddr(RHASH, amount=24, tags=[('d', '')]), PRIVKEY),
True)
databits = u5_to_bitarray(data)
databits.invert(-1)
lnaddr = lndecode(bech32_encode(hrp, bitarray_to_u5(databits)),
verbose=True)
assert lnaddr.pubkey.serialize() != PUBKEY
# But not if we supply expliciy `n` specifier!
hrp, data = bech32_decode(
lnencode(LnAddr(RHASH, amount=24, tags=[('d', ''), ('n', PUBKEY)]),
PRIVKEY), True)
databits = u5_to_bitarray(data)
databits.invert(-1)
lnaddr = lndecode(bech32_encode(hrp, bitarray_to_u5(databits)),
verbose=True)
assert lnaddr.pubkey.serialize() == PUBKEY
def set_ln_invoice(self, invoice):
try:
lnaddr = lndecode(invoice, expected_hrp=constants.net.SEGWIT_HRP)
except Exception as e:
self.app.show_info(invoice +
_(" is not a valid Lightning invoice: ") +
repr(e)) # repr because str(Exception()) == ''
return
self.screen.address = invoice
self.screen.message = dict(lnaddr.tags).get('d', None)
self.screen.amount = self.app.format_amount_and_units(
lnaddr.amount * bitcoin.COIN) if lnaddr.amount else ''
self.payment_request = None
self.screen.is_lightning = True
def make_model(self, htlcs) -> QtGui.QStandardItemModel:
model = QtGui.QStandardItemModel(0, 2)
model.setHorizontalHeaderLabels(['HTLC', 'Property value'])
parentItem = model.invisibleRootItem()
folder_types = {'settled': _('Fulfilled HTLCs'), 'inflight': _('HTLCs in current commitment transaction')}
self.folders = {}
self.keyname_rows = {}
for keyname, i in folder_types.items():
myFont=QtGui.QFont()
myFont.setBold(True)
folder = HTLCItem(i)
folder.setFont(myFont)
parentItem.appendRow(folder)
self.folders[keyname] = folder
mapping = {}
num = 0
invoices = dict(self.window.wallet.lnworker.invoices)
for pay_hash, item in htlcs.items():
chan_id, i, direction, status = item
lnaddr = None
if pay_hash in invoices:
invoice = invoices[pay_hash][0]
lnaddr = lndecode(invoice)
if status == 'inflight':
if lnaddr is not None:
it = self.make_inflight(lnaddr, i, direction)
else:
it = self.make_htlc_item(i, direction)
elif status == 'settled':
it = self.make_htlc_item(i, direction)
# if we made the invoice and still have it, we can show more info
if lnaddr is not None:
self.append_lnaddr(it, lnaddr)
self.folders[status].appendRow(it)
mapping[i.payment_hash] = num
num += 1
self.keyname_rows[keyname] = mapping
return model
def test_min_final_cltv_expiry_roundtrip(self):
lnaddr = LnAddr(RHASH,
amount=Decimal('0.001'),
tags=[('d', '1 cup coffee'), ('x', 60), ('c', 150)])
invoice = lnencode(lnaddr, PRIVKEY)
self.assertEqual(150, lndecode(invoice).get_min_final_cltv_expiry())
def test_min_final_cltv_expiry_decoding(self):
self.assertEqual(
144,
lndecode(
"lnsb500u1pdsgyf3pp5nmrqejdsdgs4n9ukgxcp2kcq265yhrxd4k5dyue58rxtp5y83s3qdqqcqzystrggccm9yvkr5yqx83jxll0qjpmgfg9ywmcd8g33msfgmqgyfyvqhku80qmqm8q6v35zvck2y5ccxsz5avtrauz8hgjj3uahppyq20qp6dvwxe",
expected_hrp="sb").get_min_final_cltv_expiry())