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("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"), 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("6548bd093a2bd2f4f053f0c6eb2c5f541d55eb8a2ede4d35fe974e5d3cd0eec3138bfd4115f4483c3b14e7988b48811d2da75f29f5e6eee691251fb4fba5a2610ba8fe7007117fe1c9fa1a6b01805c84cfffbb0eba674b64342c7cac567dea50728c1bb1aadc6d23fc2f4145027eafca82d6072cc9ce6529542099f728a0521e4b2044df5d02f7f2cdf84404762b1979528aa689a3e060a2a90ba8ef9a83d24d31ffb0d95c71d9fb9049b24ecf2c949c1486e7eb3ae160d70d54e441dc785dc57f7f3c9901b9537398c66f546cfc1d65e0748895d14699342c407fe119ac17db079b103720124a5ba22d4ba14c12832324dea9cb60c61ee74376ee7dcffdd1836e354aa8838ce3b37854fa91465cc40c73b702915e3580bfebaace805d52373b57ac755ebe4a8fe97e5fc21669bea124b809c79968479148f7174f39b8014542"), )) 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("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"))) # 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__missing_optional_field_will_not_appear_in_decoded_dict(self): # "channel_update": optional field "htlc_maximum_msat" missing -> does not get put into dict self.assertEqual(bfh("010200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a62664900d43100006f00025e6ed0830100009000000000000000c8000001f400000023"), 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, fee_base_msat=500, fee_proportional_millionths=35, chain_hash=constants.net.rev_genesis_bytes(), timestamp=1584320643, )) self.assertEqual(('channel_update', {'chain_hash': b'\xa0)>N\xeb=\xa6\xe6\xf5o\x81\xedY_W\x88\r\x1a!V\x9e\x13\xee\xfd\xd9Q(KZbfI', 'channel_flags': b'\x00', 'cltv_expiry_delta': 144, 'fee_base_msat': 500, 'fee_proportional_millionths': 35, '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("010200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a62664900d43100006f00025e6ed0830100009000000000000000c8000001f400000023")))
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("00100000000220c20120a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a626649"), 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'\xa0)>N\xeb=\xa6\xe6\xf5o\x81\xedY_W\x88\r\x1a!V\x9e\x13\xee\xfd\xd9Q(KZbfI'} } )) 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'\xa0)>N\xeb=\xa6\xe6\xf5o\x81\xedY_W\x88\r\x1a!V\x9e\x13\xee\xfd\xd9Q(KZbfI'} }}), decode_msg(bfh("001000022200000302aaa20120a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a626649")))
def send_bytes(self, data): decoded = decode_msg(data) print(decoded) if decoded[0] == 'init': self.queue.put_nowait( encode_msg('init', lflen=1, gflen=1, localfeatures=b"\x00", globalfeatures=b"\x00"))
def test_encode_decode_msg__ints_can_be_passed_as_bytes(self): self.assertEqual(bfh("010200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a62664900d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00"), 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), ))
def test_encode_decode_msg__missing_mandatory_field_gets_set_to_zeroes(self): # "channel_update": "signature" missing -> gets set to zeroes self.assertEqual(bfh("010200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a62664900d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00"), 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, ))
'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("010200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000a0293e4eeb3da6e6f56f81ed595f57880d1a21569e13eefdd951284b5a62664900d43100006f00025e6ed0830100009000000000000000c8000001f400000023000000003b9aca00"))) # "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("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"), encode_msg(