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import io
from electrum.lnmsg import (read_bigsize_int, write_bigsize_int, FieldEncodingNotMinimal,
UnexpectedEndOfStream, LNSerializer, UnknownMandatoryTLVRecordType,
MalformedMsg, MsgTrailingGarbage, MsgInvalidFieldOrder, encode_msg,
decode_msg, UnexpectedFieldSizeForEncoder, OnionWireSerializer,
UnknownMsgType)
from electrum.lnonion import OnionRoutingFailure
from electrum.util import bfh
from electrum.lnutil import ShortChannelID, LnFeatures
from electrum.channel_db import NodeInfo
from electrum import constants
from . import ElectrumTestCase
class TestLNMsg(ElectrumTestCase):
TESTNET = True
def test_write_bigsize_int(self):
self.assertEqual(bfh("00"), write_bigsize_int(0))
self.assertEqual(bfh("fc"), write_bigsize_int(252))
self.assertEqual(bfh("fd00fd"), write_bigsize_int(253))
self.assertEqual(bfh("fdffff"), write_bigsize_int(65535))
self.assertEqual(bfh("fe00010000"), write_bigsize_int(65536))
self.assertEqual(bfh("feffffffff"), write_bigsize_int(4294967295))
self.assertEqual(bfh("ff0000000100000000"), write_bigsize_int(4294967296))
self.assertEqual(bfh("ffffffffffffffffff"), write_bigsize_int(18446744073709551615))
def test_read_bigsize_int(self):
self.assertEqual(0, read_bigsize_int(io.BytesIO(bfh("00"))))
self.assertEqual(252, read_bigsize_int(io.BytesIO(bfh("fc"))))
self.assertEqual(253, read_bigsize_int(io.BytesIO(bfh("fd00fd"))))
self.assertEqual(65535, read_bigsize_int(io.BytesIO(bfh("fdffff"))))
self.assertEqual(65536, read_bigsize_int(io.BytesIO(bfh("fe00010000"))))
self.assertEqual(4294967295, read_bigsize_int(io.BytesIO(bfh("feffffffff"))))
self.assertEqual(4294967296, read_bigsize_int(io.BytesIO(bfh("ff0000000100000000"))))
self.assertEqual(18446744073709551615, read_bigsize_int(io.BytesIO(bfh("ffffffffffffffffff"))))
with self.assertRaises(FieldEncodingNotMinimal):
read_bigsize_int(io.BytesIO(bfh("fd00fc")))
with self.assertRaises(FieldEncodingNotMinimal):
read_bigsize_int(io.BytesIO(bfh("fe0000ffff")))
with self.assertRaises(FieldEncodingNotMinimal):
read_bigsize_int(io.BytesIO(bfh("ff00000000ffffffff")))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("fd00")))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("feffff")))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("ffffffffff")))
self.assertEqual(None, read_bigsize_int(io.BytesIO(bfh(""))))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("fd")))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("fe")))
with self.assertRaises(UnexpectedEndOfStream):
read_bigsize_int(io.BytesIO(bfh("ff")))
def test_read_tlv_stream_tests1(self):
# from https://github.com/lightningnetwork/lightning-rfc/blob/452a0eb916fedf4c954137b4fd0b61b5002b34ad/01-messaging.md#tlv-decoding-failures
lnser = LNSerializer()
for tlv_stream_name in ("n1", "n2"):
with self.subTest(tlv_stream_name=tlv_stream_name):
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd01")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd000100")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd0101")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0ffd")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0ffd26")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0ffd2602")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0ffd000100")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0ffd0201000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")), tlv_stream_name="n1")
with self.assertRaises(UnknownMandatoryTLVRecordType):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("1200")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnknownMandatoryTLVRecordType):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd010200")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnknownMandatoryTLVRecordType):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fe0100000200")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(UnknownMandatoryTLVRecordType):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("ff010000000000000200")), tlv_stream_name=tlv_stream_name)
with self.assertRaises(MsgTrailingGarbage):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0109ffffffffffffffffff")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010100")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01020001")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0103000100")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010400010000")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01050001000000")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0106000100000000")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010700010000000000")), tlv_stream_name="n1")
with self.assertRaises(FieldEncodingNotMinimal):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01080001000000000000")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("020701010101010101")), tlv_stream_name="n1")
with self.assertRaises(MsgTrailingGarbage):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0209010101010101010101")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0321023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0329023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb0000000000000001")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0330023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb000000000000000100000000000001")), tlv_stream_name="n1")
# check if ECC point is valid?... skip for now.
#with self.assertRaises(Exception):
# lnser.read_tlv_stream(fd=io.BytesIO(bfh("0331043da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb00000000000000010000000000000002")), tlv_stream_name="n1")
with self.assertRaises(MsgTrailingGarbage):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0332023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb0000000000000001000000000000000001")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00fe00")), tlv_stream_name="n1")
with self.assertRaises(UnexpectedEndOfStream):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00fe0101")), tlv_stream_name="n1")
with self.assertRaises(MsgTrailingGarbage):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00fe03010101")), tlv_stream_name="n1")
with self.assertRaises(UnknownMandatoryTLVRecordType):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0000")), tlv_stream_name="n1")
def test_read_tlv_stream_tests2(self):
# from https://github.com/lightningnetwork/lightning-rfc/blob/452a0eb916fedf4c954137b4fd0b61b5002b34ad/01-messaging.md#tlv-decoding-successes
lnser = LNSerializer()
for tlv_stream_name in ("n1", "n2"):
with self.subTest(tlv_stream_name=tlv_stream_name):
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("2100")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd020100")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00fd00")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00ff00")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("fe0200000100")), tlv_stream_name=tlv_stream_name))
self.assertEqual({}, lnser.read_tlv_stream(fd=io.BytesIO(bfh("ff020000000000000100")), tlv_stream_name=tlv_stream_name))
self.assertEqual({"tlv1": {"amount_msat": 0}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0100")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 1}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010101")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 256}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01020100")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 65536}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0103010000")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 16777216}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010401000000")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 4294967296}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01050100000000")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 1099511627776}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0106010000000000")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 281474976710656}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("010701000000000000")), tlv_stream_name="n1"))
self.assertEqual({"tlv1": {"amount_msat": 72057594037927936}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("01080100000000000000")), tlv_stream_name="n1"))
self.assertEqual({"tlv2": {"scid": ShortChannelID.from_components(0, 0, 550)}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("02080000000000000226")), tlv_stream_name="n1"))
self.assertEqual({"tlv3": {"node_id": bfh("023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb"),
"amount_msat_1": 1,
"amount_msat_2": 2}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0331023da092f6980e58d2c037173180e9a465476026ee50f96695963e8efe436f54eb00000000000000010000000000000002")), tlv_stream_name="n1"))
self.assertEqual({"tlv4": {"cltv_delta": 550}},
lnser.read_tlv_stream(fd=io.BytesIO(bfh("fd00fe020226")), tlv_stream_name="n1"))
def test_read_tlv_stream_tests3(self):
# from https://github.com/lightningnetwork/lightning-rfc/blob/452a0eb916fedf4c954137b4fd0b61b5002b34ad/01-messaging.md#tlv-stream-decoding-failure
lnser = LNSerializer()
with self.assertRaises(MsgInvalidFieldOrder):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0208000000000000022601012a")), tlv_stream_name="n1")
with self.assertRaises(MsgInvalidFieldOrder):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("0208000000000000023102080000000000000451")), tlv_stream_name="n1")
with self.assertRaises(MsgInvalidFieldOrder):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("1f000f012a")), tlv_stream_name="n1")
with self.assertRaises(MsgInvalidFieldOrder):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("1f001f012a")), tlv_stream_name="n1")
with self.assertRaises(MsgInvalidFieldOrder):
lnser.read_tlv_stream(fd=io.BytesIO(bfh("ffffffffffffffffff000000")), tlv_stream_name="n2")
def test_encode_decode_msg__missing_mandatory_field_gets_set_to_zeroes(self):
# "channel_update": "signature" missing -> gets set to zeroes
self.assertEqual(bfh("01020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000000d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00"),
encode_msg(
"channel_update",
short_channel_id=ShortChannelID.from_components(54321, 111, 2),
channel_flags=b'\x00',
message_flags=b'\x01',
cltv_expiry_delta=144,
htlc_minimum_msat=200,
htlc_maximum_msat=1_000_000_000,
fee_base_msat=500,
fee_proportional_millionths=35,
chain_hash=constants.net.rev_genesis_bytes(),
timestamp=1584320643,
))
self.assertEqual(('channel_update',
{'chain_hash': b'CI\x7f\xd7\xf8&\x95q\x08\xf4\xa3\x0f\xd9\xce\xc3\xae\xbay\x97 \x84\xe9\x0e\xad\x01\xea3\t\x00\x00\x00\x00',
'channel_flags': b'\x00',
'cltv_expiry_delta': 144,
'fee_base_msat': 500,
'fee_proportional_millionths': 35,
'htlc_maximum_msat': 1000000000,
'htlc_minimum_msat': 200,
'message_flags': b'\x01',
'short_channel_id': b'\x00\xd41\x00\x00o\x00\x02',
'signature': bytes(64),
'timestamp': 1584320643}
),
decode_msg(bfh("01020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000000d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00")))
def test_encode_decode_msg__ints_can_be_passed_as_bytes(self):
self.assertEqual(bfh("01020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000000d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00"),
encode_msg(
"channel_update",
short_channel_id=ShortChannelID.from_components(54321, 111, 2),
channel_flags=b'\x00',
message_flags=b'\x01',
cltv_expiry_delta=int.to_bytes(144, length=2, byteorder="big", signed=False),
htlc_minimum_msat=int.to_bytes(200, length=8, byteorder="big", signed=False),
htlc_maximum_msat=int.to_bytes(1_000_000_000, length=8, byteorder="big", signed=False),
fee_base_msat=int.to_bytes(500, length=4, byteorder="big", signed=False),
fee_proportional_millionths=int.to_bytes(35, length=4, byteorder="big", signed=False),
chain_hash=constants.net.rev_genesis_bytes(),
timestamp=int.to_bytes(1584320643, length=4, byteorder="big", signed=False),
))
self.assertEqual(('channel_update',
{'chain_hash': b'CI\x7f\xd7\xf8&\x95q\x08\xf4\xa3\x0f\xd9\xce\xc3\xae\xbay\x97 \x84\xe9\x0e\xad\x01\xea3\t\x00\x00\x00\x00',
'channel_flags': b'\x00',
'cltv_expiry_delta': 144,
'fee_base_msat': 500,
'fee_proportional_millionths': 35,
'htlc_maximum_msat': 1000000000,
'htlc_minimum_msat': 200,
'message_flags': b'\x01',
'short_channel_id': b'\x00\xd41\x00\x00o\x00\x02',
'signature': bytes(64),
'timestamp': 1584320643}
),
decode_msg(bfh("01020000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea33090000000000d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00")))
# "htlc_minimum_msat" is passed as bytes but with incorrect length
with self.assertRaises(UnexpectedFieldSizeForEncoder):
encode_msg(
"channel_update",
short_channel_id=ShortChannelID.from_components(54321, 111, 2),
channel_flags=b'\x00',
message_flags=b'\x01',
cltv_expiry_delta=int.to_bytes(144, length=2, byteorder="big", signed=False),
htlc_minimum_msat=int.to_bytes(200, length=4, byteorder="big", signed=False),
htlc_maximum_msat=int.to_bytes(1_000_000_000, length=8, byteorder="big", signed=False),
fee_base_msat=int.to_bytes(500, length=4, byteorder="big", signed=False),
fee_proportional_millionths=int.to_bytes(35, length=4, byteorder="big", signed=False),
chain_hash=constants.net.rev_genesis_bytes(),
timestamp=int.to_bytes(1584320643, length=4, byteorder="big", signed=False),
)
def test_encode_decode_msg__commitment_signed(self):
# "commitment_signed" is interesting because of the "htlc_signature" field,
# which is a concatenation of multiple ("num_htlcs") signatures.
# 5 htlcs
self.assertEqual(bfh("0084010101010101010101010101010101010101010101010101010101010101010106112951d0a6d7fc1dbca3bd1cdbda9acfee7f668b3c0a36bd944f7e2f305b274ba46a61279e15163b2d376c664bb3481d7c5e107a5b268301e39aebbda27d2d00056548bd093a2bd2f4f053f0c6eb2c5f541d55eb8a2ede4d35fe974e5d3cd0eec3138bfd4115f4483c3b14e7988b48811d2da75f29f5e6eee691251fb4fba5a2610ba8fe7007117fe1c9fa1a6b01805c84cfffbb0eba674b64342c7cac567dea50728c1bb1aadc6d23fc2f4145027eafca82d6072cc9ce6529542099f728a0521e4b2044df5d02f7f2cdf84404762b1979528aa689a3e060a2a90ba8ef9a83d24d31ffb0d95c71d9fb9049b24ecf2c949c1486e7eb3ae160d70d54e441dc785dc57f7f3c9901b9537398c66f546cfc1d65e0748895d14699342c407fe119ac17db079b103720124a5ba22d4ba14c12832324dea9cb60c61ee74376ee7dcffdd1836e354aa8838ce3b37854fa91465cc40c73b702915e3580bfebaace805d52373b57ac755ebe4a8fe97e5fc21669bea124b809c79968479148f7174f39b8014542"),
encode_msg(
"commitment_signed",
channel_id=b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
signature=b"\x06\x11)Q\xd0\xa6\xd7\xfc\x1d\xbc\xa3\xbd\x1c\xdb\xda\x9a\xcf\xee\x7ff\x8b<\n6\xbd\x94O~/0['K\xa4ja'\x9e\x15\x16;-7lfK\xb3H\x1d|^\x10z[&\x83\x01\xe3\x9a\xeb\xbd\xa2}-",
num_htlcs=5,
htlc_signature=bfh("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"),
))
self.assertEqual(('commitment_signed',
{'channel_id': b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
'signature': b"\x06\x11)Q\xd0\xa6\xd7\xfc\x1d\xbc\xa3\xbd\x1c\xdb\xda\x9a\xcf\xee\x7ff\x8b<\n6\xbd\x94O~/0['K\xa4ja'\x9e\x15\x16;-7lfK\xb3H\x1d|^\x10z[&\x83\x01\xe3\x9a\xeb\xbd\xa2}-",
'num_htlcs': 5,
'htlc_signature': bfh("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")}
),
decode_msg(bfh("0084010101010101010101010101010101010101010101010101010101010101010106112951d0a6d7fc1dbca3bd1cdbda9acfee7f668b3c0a36bd944f7e2f305b274ba46a61279e15163b2d376c664bb3481d7c5e107a5b268301e39aebbda27d2d00056548bd093a2bd2f4f053f0c6eb2c5f541d55eb8a2ede4d35fe974e5d3cd0eec3138bfd4115f4483c3b14e7988b48811d2da75f29f5e6eee691251fb4fba5a2610ba8fe7007117fe1c9fa1a6b01805c84cfffbb0eba674b64342c7cac567dea50728c1bb1aadc6d23fc2f4145027eafca82d6072cc9ce6529542099f728a0521e4b2044df5d02f7f2cdf84404762b1979528aa689a3e060a2a90ba8ef9a83d24d31ffb0d95c71d9fb9049b24ecf2c949c1486e7eb3ae160d70d54e441dc785dc57f7f3c9901b9537398c66f546cfc1d65e0748895d14699342c407fe119ac17db079b103720124a5ba22d4ba14c12832324dea9cb60c61ee74376ee7dcffdd1836e354aa8838ce3b37854fa91465cc40c73b702915e3580bfebaace805d52373b57ac755ebe4a8fe97e5fc21669bea124b809c79968479148f7174f39b8014542")))
# single htlc
self.assertEqual(bfh("008401010101010101010101010101010101010101010101010101010101010101013b14af0c549dfb1fb287ff57c012371b3932996db5929eda5f251704751fb49d0dc2dcb88e5021575cb572fb71693758543f97d89e9165f913bfb7488d7cc26500012d31103b9f6e71131e4fee86fdfbdeba90e52b43fcfd11e8e53811cd4d59b2575ae6c3c82f85bea144c88cc35e568f1e6bdd0c57337e86de0b5da7cd9994067a"),
encode_msg(
"commitment_signed",
channel_id=b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
signature=b';\x14\xaf\x0cT\x9d\xfb\x1f\xb2\x87\xffW\xc0\x127\x1b92\x99m\xb5\x92\x9e\xda_%\x17\x04u\x1f\xb4\x9d\r\xc2\xdc\xb8\x8eP!W\\\xb5r\xfbqi7XT?\x97\xd8\x9e\x91e\xf9\x13\xbf\xb7H\x8d|\xc2e',
num_htlcs=1,
htlc_signature=bfh("2d31103b9f6e71131e4fee86fdfbdeba90e52b43fcfd11e8e53811cd4d59b2575ae6c3c82f85bea144c88cc35e568f1e6bdd0c57337e86de0b5da7cd9994067a"),
))
self.assertEqual(('commitment_signed',
{'channel_id': b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
'signature': b';\x14\xaf\x0cT\x9d\xfb\x1f\xb2\x87\xffW\xc0\x127\x1b92\x99m\xb5\x92\x9e\xda_%\x17\x04u\x1f\xb4\x9d\r\xc2\xdc\xb8\x8eP!W\\\xb5r\xfbqi7XT?\x97\xd8\x9e\x91e\xf9\x13\xbf\xb7H\x8d|\xc2e',
'num_htlcs': 1,
'htlc_signature': bfh("2d31103b9f6e71131e4fee86fdfbdeba90e52b43fcfd11e8e53811cd4d59b2575ae6c3c82f85bea144c88cc35e568f1e6bdd0c57337e86de0b5da7cd9994067a")}
),
decode_msg(bfh("008401010101010101010101010101010101010101010101010101010101010101013b14af0c549dfb1fb287ff57c012371b3932996db5929eda5f251704751fb49d0dc2dcb88e5021575cb572fb71693758543f97d89e9165f913bfb7488d7cc26500012d31103b9f6e71131e4fee86fdfbdeba90e52b43fcfd11e8e53811cd4d59b2575ae6c3c82f85bea144c88cc35e568f1e6bdd0c57337e86de0b5da7cd9994067a")))
# zero htlcs
self.assertEqual(bfh("008401010101010101010101010101010101010101010101010101010101010101014e206ecf904d9237b1c5b4e08513555e9a5932c45b5f68be8764ce998df635ae04f6ce7bbcd3b4fd08e2daab7f9059b287ecab4155367b834682633497173f450000"),
encode_msg(
"commitment_signed",
channel_id=b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
signature=b'N n\xcf\x90M\x927\xb1\xc5\xb4\xe0\x85\x13U^\x9aY2\xc4[_h\xbe\x87d\xce\x99\x8d\xf65\xae\x04\xf6\xce{\xbc\xd3\xb4\xfd\x08\xe2\xda\xab\x7f\x90Y\xb2\x87\xec\xabAU6{\x83F\x82c4\x97\x17?E',
num_htlcs=0,
htlc_signature=bfh(""),
))
self.assertEqual(('commitment_signed',
{'channel_id': b'\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01',
'signature': b'N n\xcf\x90M\x927\xb1\xc5\xb4\xe0\x85\x13U^\x9aY2\xc4[_h\xbe\x87d\xce\x99\x8d\xf65\xae\x04\xf6\xce{\xbc\xd3\xb4\xfd\x08\xe2\xda\xab\x7f\x90Y\xb2\x87\xec\xabAU6{\x83F\x82c4\x97\x17?E',
'num_htlcs': 0,
'htlc_signature': bfh("")}
),
decode_msg(bfh("008401010101010101010101010101010101010101010101010101010101010101014e206ecf904d9237b1c5b4e08513555e9a5932c45b5f68be8764ce998df635ae04f6ce7bbcd3b4fd08e2daab7f9059b287ecab4155367b834682633497173f450000")))
def test_encode_decode_msg__init(self):
# "init" is interesting because it has TLVs optionally
self.assertEqual(bfh("00100000000220c2"),
encode_msg(
"init",
gflen=0,
flen=2,
features=(LnFeatures.OPTION_STATIC_REMOTEKEY_OPT |
LnFeatures.GOSSIP_QUERIES_OPT |
LnFeatures.GOSSIP_QUERIES_REQ |
LnFeatures.OPTION_DATA_LOSS_PROTECT_OPT),
))
self.assertEqual(bfh("00100000000220c2"),
encode_msg("init", gflen=0, flen=2, features=bfh("20c2")))
self.assertEqual(bfh("00100000000220c2012043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000"),
encode_msg(
"init",
gflen=0,
flen=2,
features=(LnFeatures.OPTION_STATIC_REMOTEKEY_OPT |
LnFeatures.GOSSIP_QUERIES_OPT |
LnFeatures.GOSSIP_QUERIES_REQ |
LnFeatures.OPTION_DATA_LOSS_PROTECT_OPT),
init_tlvs={
'networks':
{'chains': b'CI\x7f\xd7\xf8&\x95q\x08\xf4\xa3\x0f\xd9\xce\xc3\xae\xbay\x97 \x84\xe9\x0e\xad\x01\xea3\t\x00\x00\x00\x00'}
}
))
self.assertEqual(('init',
{'gflen': 2,
'globalfeatures': b'"\x00',
'flen': 3,
'features': b'\x02\xa2\xa1',
'init_tlvs': {}}
),
decode_msg(bfh("001000022200000302a2a1")))
self.assertEqual(('init',
{'gflen': 2,
'globalfeatures': b'"\x00',
'flen': 3,
'features': b'\x02\xaa\xa2',
'init_tlvs': {
'networks':
{'chains': b'CI\x7f\xd7\xf8&\x95q\x08\xf4\xa3\x0f\xd9\xce\xc3\xae\xbay\x97 \x84\xe9\x0e\xad\x01\xea3\t\x00\x00\x00\x00'}
}}),
decode_msg(bfh("001000022200000302aaa2012043497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000")))
def test_decode_onion_error(self):
orf = OnionRoutingFailure.from_bytes(bfh("400f0000000017d2d8b0001d9458"))
self.assertEqual(('incorrect_or_unknown_payment_details', {'htlc_msat': 399694000, 'height': 1938520}),
OnionWireSerializer.decode_msg(orf.to_bytes()))
self.assertEqual({'htlc_msat': 399694000, 'height': 1938520},
orf.decode_data())
orf2 = OnionRoutingFailure(26399, bytes.fromhex("0000000017d2d8b0001d9458"))
with self.assertRaises(UnknownMsgType):
OnionWireSerializer.decode_msg(orf2.to_bytes())
self.assertEqual(None, orf2.decode_data())
def test_address_parsing_and_serialization(self):
"""Tests the NodeInfo bolt7 node_announcement addresses field serialization and parsing"""
taf = NodeInfo.to_addresses_field
paf = NodeInfo.parse_addresses_field
# -- INVALID INPUTS --
invalid_inputs_parsing = (
b'', # empty input
b'\x06\x00', # address type 6 (\x06) is not specified
)
invalid_inputs_serialization = (
("::1", 9735), # local ipv6
("::", 9735), # local ipv6
("::1", 0), # local host, invalid port
("::1", 65536), # local host, invalid port
("127.0.0.1", 9735), # local ipv4
("localhost", 9735), # local host
("domain.com", 0), # domain, invalid port
("domain.com", 65536), # domain, invalid port
("domain.com", -1), # domain, invalid port
("expyuzz4wqqyqhjn.onion", 9735), # onion v2, not supported
("", 9735), # empty address
)
for invalid_input in invalid_inputs_parsing:
self.assertEqual(paf(invalid_input), [])
for host, port in invalid_inputs_serialization:
self.assertEqual(taf(host, port), b'')
# -- VALID INPUTS --
valid_inputs = (
("34.138.100.228", 9735), # ipv4
("2001:41d0:0001:b40d:0000:0000:0000:0001", 9735), # ipv6
("2gzyxa5ihm7nsggfxnu52rck2vv4rvmdlkiu3zzui5du4xyclen53wid.onion", 9735), # onion v3
("ecb.europa.eu", 8624), # domain
)
valid_inputs_with_defined_output = [
[["2001:41d0:1:b40d::1", 9735], [("2001:41d0:0001:b40d:0000:0000:0000:0001", 9735)]] # ipv6
]
for host, port in valid_inputs:
self.assertEqual(paf(taf(host, port)), [(host, port)])
for input_, output in valid_inputs_with_defined_output:
self.assertEqual(paf(taf(*input_)), output)
|
