forked from ElementsProject/lightning
-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathtest_misc.py
1449 lines (1148 loc) · 57.6 KB
/
test_misc.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
from bitcoin.rpc import RawProxy
from fixtures import * # noqa: F401,F403
from flaky import flaky # noqa: F401
from lightning import RpcError
from threading import Event
from utils import DEVELOPER, TIMEOUT, VALGRIND, sync_blockheight, only_one, wait_for, TailableProc, EXPERIMENTAL_FEATURES
from ephemeral_port_reserve import reserve
import json
import os
import pytest
import re
import shutil
import signal
import socket
import subprocess
import time
import unittest
@unittest.skipIf(not DEVELOPER, "needs --dev-disconnect")
def test_stop_pending_fundchannel(node_factory, executor):
"""Stop the daemon while waiting for an accept_channel
This used to crash the node, since we were calling unreserve_utxo while
freeing the daemon, but that needs a DB transaction to be open.
"""
l1 = node_factory.get_node()
l2 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
# We want l2 to stop replying altogether, not disconnect
os.kill(l2.daemon.proc.pid, signal.SIGSTOP)
# The fundchannel call will not terminate so run it in a future
executor.submit(l1.fund_channel, l2, 10**6)
l1.daemon.wait_for_log('peer_out WIRE_OPEN_CHANNEL')
l1.rpc.stop()
# Now allow l2 a clean shutdown
os.kill(l2.daemon.proc.pid, signal.SIGCONT)
l2.rpc.stop()
def test_names(node_factory):
configs = [
('0266e4598d1d3c415f572a8488830b60f7e744ed9235eb0b1ba93283b315c03518', 'JUNIORBEAM', '0266e4'),
('022d223620a359a47ff7f7ac447c85c46c923da53389221a0054c11c1e3ca31d59', 'SILENTARTIST', '022d22'),
('035d2b1192dfba134e10e540875d366ebc8bc353d5aa766b80c090b39c3a5d885d', 'HOPPINGFIRE', '035d2b'),
('0382ce59ebf18be7d84677c2e35f23294b9992ceca95491fcf8a56c6cb2d9de199', 'JUNIORFELONY', '0382ce'),
('032cf15d1ad9c4a08d26eab1918f732d8ef8fdc6abb9640bf3db174372c491304e', 'SOMBERFIRE', '032cf1'),
('0265b6ab5ec860cd257865d61ef0bbf5b3339c36cbda8b26b74e7f1dca490b6518', 'LOUDPHOTO', '0265b6')
]
for key, alias, color in configs:
n = node_factory.get_node()
assert n.daemon.is_in_log(r'public key {}, alias {}.* \(color #{}\)'
.format(key, alias, color))
def test_db_upgrade(node_factory):
l1 = node_factory.get_node()
l1.stop()
version = subprocess.check_output(['lightningd/lightningd',
'--version']).decode('utf-8').splitlines()[0]
upgrades = l1.db_query("SELECT * from db_upgrades;")
assert len(upgrades) == 1
assert(upgrades[0]['upgrade_from'] == -1)
assert(upgrades[0]['lightning_version'] == version)
# Try resetting to earlier db state.
os.unlink(os.path.join(l1.daemon.lightning_dir, "lightningd.sqlite3"))
l1.db_manip("CREATE TABLE version (version INTEGER);")
l1.db_manip("INSERT INTO version VALUES (1);")
l1.start()
upgrades = l1.db_query("SELECT * from db_upgrades;")
assert len(upgrades) == 1
assert(upgrades[0]['upgrade_from'] == 1)
assert(upgrades[0]['lightning_version'] == version)
def test_bitcoin_failure(node_factory, bitcoind):
l1 = node_factory.get_node()
# Make sure we're not failing it between getblockhash and getblock.
sync_blockheight(bitcoind, [l1])
def crash_bitcoincli(r):
return {'error': 'go away'}
# This is not a JSON-RPC response by purpose
l1.daemon.rpcproxy.mock_rpc('estimatesmartfee', crash_bitcoincli)
l1.daemon.rpcproxy.mock_rpc('getblockhash', crash_bitcoincli)
# This should cause both estimatefee and getblockhash fail
l1.daemon.wait_for_logs(['estimatesmartfee .* exited with status 1',
'getblockhash .* exited with status 1'])
# And they should retry!
l1.daemon.wait_for_logs(['estimatesmartfee .* exited with status 1',
'getblockhash .* exited with status 1'])
# Restore, then it should recover and get blockheight.
l1.daemon.rpcproxy.mock_rpc('estimatesmartfee', None)
l1.daemon.rpcproxy.mock_rpc('getblockhash', None)
bitcoind.generate_block(5)
sync_blockheight(bitcoind, [l1])
def test_bitcoin_ibd(node_factory, bitcoind):
"""Test that we recognize bitcoin in initial download mode"""
info = bitcoind.rpc.getblockchaininfo()
info['initialblockdownload'] = True
l1 = node_factory.get_node(start=False)
l1.daemon.rpcproxy.mock_rpc('getblockchaininfo', info)
l1.start(wait_for_bitcoind_sync=False)
# This happens before the Starting message start() waits for.
assert l1.daemon.is_in_log('Waiting for initial block download')
assert 'warning_bitcoind_sync' in l1.rpc.getinfo()
# "Finish" IDB.
l1.daemon.rpcproxy.mock_rpc('getblockchaininfo', None)
l1.daemon.wait_for_log('Bitcoind now synced')
assert 'warning_bitcoind_sync' not in l1.rpc.getinfo()
def test_lightningd_still_loading(node_factory, bitcoind, executor):
"""Test that we recognize we haven't got all blocks from bitcoind"""
mock_release = Event()
# This is slow enough that we're going to notice.
def mock_getblock(r):
conf_file = os.path.join(bitcoind.bitcoin_dir, 'bitcoin.conf')
brpc = RawProxy(btc_conf_file=conf_file)
if r['params'][0] == slow_blockid:
mock_release.wait(TIMEOUT)
return {
"result": brpc._call(r['method'], *r['params']),
"error": None,
"id": r['id']
}
# Start it, establish channel, get extra funds.
l1, l2 = node_factory.line_graph(2, opts={'may_reconnect': True, 'wait_for_bitcoind_sync': False})
# Extra funds, for second channel attempt.
bitcoind.rpc.sendtoaddress(l1.rpc.newaddr()['bech32'], 1.0)
# Balance l1<->l2 channel
l1.pay(l2, 10**9 // 2)
l1.stop()
# Start extra node.
l3 = node_factory.get_node()
# Now make sure it's behind.
bitcoind.generate_block(2)
# Make sure l2/l3 are synced
sync_blockheight(bitcoind, [l2, l3])
# Make it slow grabbing the final block.
slow_blockid = bitcoind.rpc.getblockhash(bitcoind.rpc.getblockcount())
l1.daemon.rpcproxy.mock_rpc('getblock', mock_getblock)
l1.start(wait_for_bitcoind_sync=False)
# It will warn about being out-of-sync.
assert 'warning_bitcoind_sync' not in l1.rpc.getinfo()
assert 'warning_lightningd_sync' in l1.rpc.getinfo()
# Payments will fail. FIXME: More informative msg?
with pytest.raises(RpcError, match=r'TEMPORARY_CHANNEL_FAILURE'):
l1.pay(l2, 1000)
# Can't fund a new channel, either.
l1.rpc.connect(l3.info['id'], 'localhost', l3.port)
with pytest.raises(RpcError, match=r'304'):
l1.rpc.fundchannel(l3.info['id'], 'all')
# This will work, but will be delayed until synced.
fut = executor.submit(l2.pay, l1, 1000)
l1.daemon.wait_for_log("Deferring incoming commit until we sync")
# Release the mock.
mock_release.set()
fut.result()
assert 'warning_lightningd_sync' not in l1.rpc.getinfo()
# This will now work normally.
l1.pay(l2, 1000)
def test_ping(node_factory):
l1, l2 = node_factory.line_graph(2, fundchannel=False)
def ping_tests(l1, l2):
# 0-byte pong gives just type + length field.
ret = l1.rpc.ping(l2.info['id'], 0, 0)
assert ret['totlen'] == 4
# 1000-byte ping, 0-byte pong.
ret = l1.rpc.ping(l2.info['id'], 1000, 0)
assert ret['totlen'] == 4
# 1000 byte pong.
ret = l1.rpc.ping(l2.info['id'], 1000, 1000)
assert ret['totlen'] == 1004
# Maximum length pong.
ret = l1.rpc.ping(l2.info['id'], 1000, 65531)
assert ret['totlen'] == 65535
# Overlength -> no reply.
for s in range(65532, 65536):
ret = l1.rpc.ping(l2.info['id'], 1000, s)
assert ret['totlen'] == 0
# 65535 - type(2 bytes) - num_pong_bytes(2 bytes) - byteslen(2 bytes)
# = 65529 max.
with pytest.raises(RpcError, match=r'oversize ping'):
l1.rpc.ping(l2.info['id'], 65530, 1)
# Test gossip pinging.
ping_tests(l1, l2)
if DEVELOPER:
l1.daemon.wait_for_log(r'Got pong 1000 bytes \({}\.\.\.\)'
.format(l2.info['version']), timeout=1)
l1.fund_channel(l2, 10**5)
# channeld pinging
ping_tests(l1, l2)
if DEVELOPER:
l1.daemon.wait_for_log(r'Got pong 1000 bytes \({}\.\.\.\)'
.format(l2.info['version']))
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for --dev-broadcast-interval")
def test_htlc_sig_persistence(node_factory, bitcoind, executor):
"""Interrupt a payment between two peers, then fail and recover funds using the HTLC sig.
"""
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(options={'dev-no-reconnect': None},
feerates=(7500, 7500, 7500))
l2 = node_factory.get_node(disconnect=['+WIRE_COMMITMENT_SIGNED'])
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
f = executor.submit(l1.pay, l2, 31337000)
l1.daemon.wait_for_log(r'HTLC out 0 RCVD_ADD_ACK_COMMIT->SENT_ADD_ACK_REVOCATION')
l1.stop()
# `pay` call is lost
with pytest.raises(RpcError):
f.result()
# We should have the HTLC sig
assert(len(l1.db_query("SELECT * FROM htlc_sigs;")) == 1)
# This should reload the htlc_sig
l2.rpc.dev_fail(l1.info['id'])
# Make sure it broadcasts to chain.
l2.wait_for_channel_onchain(l1.info['id'])
l2.stop()
bitcoind.generate_block(1)
l1.start()
assert l1.daemon.is_in_log(r'Loaded 1 HTLC signatures from DB')
l1.daemon.wait_for_logs([
r'Peer permanent failure in CHANNELD_NORMAL: Funding transaction spent',
r'Propose handling THEIR_UNILATERAL/OUR_HTLC by OUR_HTLC_TIMEOUT_TO_US'
])
bitcoind.generate_block(5)
l1.daemon.wait_for_log("Broadcasting OUR_HTLC_TIMEOUT_TO_US")
time.sleep(3)
bitcoind.generate_block(1)
l1.daemon.wait_for_logs([
r'Owning output . (\d+)sat .SEGWIT. txid',
])
# We should now have a) the change from funding, b) the
# unilateral to us, and c) the HTLC respend to us
assert len(l1.rpc.listfunds()['outputs']) == 3
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_htlc_out_timeout(node_factory, bitcoind, executor):
"""Test that we drop onchain if the peer doesn't time out HTLC"""
# HTLC 1->2, 1 fails after it's irrevocably committed, can't reconnect
disconnects = ['@WIRE_REVOKE_AND_ACK']
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=disconnects,
options={'dev-no-reconnect': None},
feerates=(7500, 7500, 7500))
l2 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
chanid = l1.fund_channel(l2, 10**6)
# Wait for route propagation.
l1.wait_channel_active(chanid)
amt = 200000000
inv = l2.rpc.invoice(amt, 'test_htlc_out_timeout', 'desc')['bolt11']
assert only_one(l2.rpc.listinvoices('test_htlc_out_timeout')['invoices'])['status'] == 'unpaid'
executor.submit(l1.rpc.pay, inv)
# l1 will disconnect, and not reconnect.
l1.daemon.wait_for_log('dev_disconnect: @WIRE_REVOKE_AND_ACK')
# Takes 6 blocks to timeout (cltv-final + 1), but we also give grace period of 1 block.
# shadow route can add extra blocks!
status = only_one(l1.rpc.call('paystatus')['pay'])
if 'shadow' in status:
shadowlen = 6 * status['shadow'].count('Added 6 cltv delay for shadow')
else:
shadowlen = 0
bitcoind.generate_block(5 + 1 + shadowlen)
time.sleep(3)
assert not l1.daemon.is_in_log('hit deadline')
bitcoind.generate_block(1)
l1.daemon.wait_for_log('Offered HTLC 0 SENT_ADD_ACK_REVOCATION cltv .* hit deadline')
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log(' to ONCHAIN')
l2.daemon.wait_for_log(' to ONCHAIN')
# L1 will timeout HTLC immediately
l1.daemon.wait_for_logs(['Propose handling OUR_UNILATERAL/OUR_HTLC by OUR_HTLC_TIMEOUT_TX .* after 0 blocks',
'Propose handling OUR_UNILATERAL/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks'])
l1.daemon.wait_for_log('sendrawtx exit 0')
bitcoind.generate_block(1)
l1.daemon.wait_for_log('Propose handling OUR_HTLC_TIMEOUT_TX/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks')
bitcoind.generate_block(4)
# It should now claim both the to-local and htlc-timeout-tx outputs.
l1.daemon.wait_for_logs(['Broadcasting OUR_DELAYED_RETURN_TO_WALLET',
'Broadcasting OUR_DELAYED_RETURN_TO_WALLET',
'sendrawtx exit 0',
'sendrawtx exit 0'])
# Now, 100 blocks it should be done.
bitcoind.generate_block(100)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_htlc_in_timeout(node_factory, bitcoind, executor):
"""Test that we drop onchain if the peer doesn't accept fulfilled HTLC"""
# HTLC 1->2, 1 fails after 2 has sent committed the fulfill
disconnects = ['-WIRE_REVOKE_AND_ACK*2']
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=disconnects,
options={'dev-no-reconnect': None},
feerates=(7500, 7500, 7500))
l2 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
chanid = l1.fund_channel(l2, 10**6)
l1.wait_channel_active(chanid)
sync_blockheight(bitcoind, [l1, l2])
amt = 200000000
inv = l2.rpc.invoice(amt, 'test_htlc_in_timeout', 'desc')['bolt11']
assert only_one(l2.rpc.listinvoices('test_htlc_in_timeout')['invoices'])['status'] == 'unpaid'
executor.submit(l1.rpc.pay, inv)
# l1 will disconnect and not reconnect.
l1.daemon.wait_for_log('dev_disconnect: -WIRE_REVOKE_AND_ACK')
# Deadline HTLC expiry minus 1/2 cltv-expiry delta (rounded up) (== cltv - 3). cltv is 5+1.
# shadow route can add extra blocks!
status = only_one(l1.rpc.call('paystatus')['pay'])
if 'shadow' in status:
shadowlen = 6 * status['shadow'].count('Added 6 cltv delay for shadow')
else:
shadowlen = 0
bitcoind.generate_block(2 + shadowlen)
assert not l2.daemon.is_in_log('hit deadline')
bitcoind.generate_block(1)
l2.daemon.wait_for_log('Fulfilled HTLC 0 SENT_REMOVE_COMMIT cltv .* hit deadline')
l2.daemon.wait_for_log('sendrawtx exit 0')
l2.bitcoin.generate_block(1)
l2.daemon.wait_for_log(' to ONCHAIN')
l1.daemon.wait_for_log(' to ONCHAIN')
# L2 will collect HTLC (iff no shadow route)
l2.daemon.wait_for_log('Propose handling OUR_UNILATERAL/THEIR_HTLC by OUR_HTLC_SUCCESS_TX .* after 0 blocks')
l2.daemon.wait_for_log('sendrawtx exit 0')
bitcoind.generate_block(1)
l2.daemon.wait_for_log('Propose handling OUR_HTLC_SUCCESS_TX/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks')
bitcoind.generate_block(4)
l2.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET')
l2.daemon.wait_for_log('sendrawtx exit 0')
# Now, 100 blocks it should be both done.
bitcoind.generate_block(100)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_bech32_funding(node_factory):
# Don't get any funds from previous runs.
l1 = node_factory.get_node(random_hsm=True)
l2 = node_factory.get_node(random_hsm=True)
# connect
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
# fund a bech32 address and then open a channel with it
res = l1.openchannel(l2, 20000, 'bech32')
address = res['address']
assert address[0:4] == "bcrt"
# probably overly paranoid checking
wallettxid = res['wallettxid']
wallettx = l1.bitcoin.rpc.getrawtransaction(wallettxid, True)
fundingtx = l1.bitcoin.rpc.decoderawtransaction(res['fundingtx']['tx'])
def is_p2wpkh(output):
return output['type'] == 'witness_v0_keyhash' and \
address == only_one(output['addresses'])
assert any(is_p2wpkh(output['scriptPubKey']) for output in wallettx['vout'])
assert only_one(fundingtx['vin'])['txid'] == res['wallettxid']
def test_io_logging(node_factory, executor):
l1 = node_factory.get_node(options={'log-level': 'io'})
l2 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
# Fundchannel manually so we get channeld pid.
l1.fundwallet(10**6 + 1000000)
l1.rpc.fundchannel(l2.info['id'], 10**6)['tx']
pid1 = l1.subd_pid('channeld')
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log(' to CHANNELD_NORMAL')
pid2 = l2.subd_pid('channeld')
l2.daemon.wait_for_log(' to CHANNELD_NORMAL')
# Send it sigusr1: should turn on logging.
subprocess.run(['kill', '-USR1', pid1])
fut = executor.submit(l1.pay, l2, 200000000)
# WIRE_UPDATE_ADD_HTLC = 128 = 0x0080
l1.daemon.wait_for_log(r'channeld.*:\[OUT\] 0080')
# WIRE_UPDATE_FULFILL_HTLC = 130 = 0x0082
l1.daemon.wait_for_log(r'channeld.*:\[IN\] 0082')
fut.result(10)
# Send it sigusr1: should turn off logging.
subprocess.run(['kill', '-USR1', pid1])
l1.pay(l2, 200000000)
assert not l1.daemon.is_in_log(r'channeld.*:\[OUT\] 0080',
start=l1.daemon.logsearch_start)
assert not l1.daemon.is_in_log(r'channeld.*:\[IN\] 0082',
start=l1.daemon.logsearch_start)
# IO logs should not appear in peer logs.
peerlog = only_one(l2.rpc.listpeers(l1.info['id'], "io")['peers'])['log']
assert not any(l['type'] == 'IO_OUT' or l['type'] == 'IO_IN'
for l in peerlog)
# Turn on in l2 channel logging.
subprocess.run(['kill', '-USR1', pid2])
l1.pay(l2, 200000000)
# Now it should find it.
peerlog = only_one(l2.rpc.listpeers(l1.info['id'], "io")['peers'])['log']
assert any(l['type'] == 'IO_OUT' for l in peerlog)
assert any(l['type'] == 'IO_IN' for l in peerlog)
def test_address(node_factory):
if DEVELOPER:
opts = {'dev-allow-localhost': None}
else:
opts = None
l1 = node_factory.get_node(options=opts)
addr = l1.rpc.getinfo()['address']
if DEVELOPER:
assert len(addr) == 1
assert addr[0]['type'] == 'ipv4'
assert addr[0]['address'] == '127.0.0.1'
assert int(addr[0]['port']) == l1.port
else:
assert len(addr) == 0
bind = l1.rpc.getinfo()['binding']
assert len(bind) == 1
assert bind[0]['type'] == 'ipv4'
assert bind[0]['address'] == '127.0.0.1'
assert int(bind[0]['port']) == l1.port
# Now test UNIX domain binding.
l1.stop()
l1.daemon.opts['bind-addr'] = os.path.join(l1.daemon.lightning_dir, "sock")
l1.start()
l2 = node_factory.get_node()
l2.rpc.connect(l1.info['id'], l1.daemon.opts['bind-addr'])
# 'addr' with local socket works too.
l1.stop()
del l1.daemon.opts['bind-addr']
l1.daemon.opts['addr'] = os.path.join(l1.daemon.lightning_dir, "sock")
# start expects a port, so we open-code here.
l1.daemon.start()
l2 = node_factory.get_node()
l2.rpc.connect(l1.info['id'], l1.daemon.opts['addr'])
def test_listconfigs(node_factory, bitcoind):
l1 = node_factory.get_node()
configs = l1.rpc.listconfigs()
# See utils.py
assert configs['allow-deprecated-apis'] is False
assert configs['network'] == 'regtest'
assert configs['ignore-fee-limits'] is False
# Test one at a time.
for c in configs.keys():
if c.startswith('#'):
continue
oneconfig = l1.rpc.listconfigs(config=c)
assert(oneconfig[c] == configs[c])
def test_multirpc(node_factory):
"""Test that we can do multiple RPC without waiting for response"""
l1 = node_factory.get_node()
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(l1.rpc.socket_path)
commands = [
b'{"id":1,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"id":2,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"id":3,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"id":4,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"id":5,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"id":6,"jsonrpc":"2.0","method":"listpeers","params":[]}',
b'{"method": "invoice", "params": [100, "foo", "foo"], "jsonrpc": "2.0", "id": 7 }',
b'{"method": "waitinvoice", "params": ["foo"], "jsonrpc" : "2.0", "id": 8 }',
b'{"method": "delinvoice", "params": ["foo", "unpaid"], "jsonrpc" : "2.0", "id": 9 }',
]
sock.sendall(b'\n'.join(commands))
buff = b''
for i in commands:
_, buff = l1.rpc._readobj(sock, buff)
sock.close()
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_multiplexed_rpc(node_factory):
"""Test that we can do multiple RPCs which exit in different orders"""
l1 = node_factory.get_node()
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(l1.rpc.socket_path)
# Neighbouring ones may be in or out of order.
commands = [
b'{"id":1,"jsonrpc":"2.0","method":"dev","params":["slowcmd",2000]}',
b'{"id":1,"jsonrpc":"2.0","method":"dev","params":["slowcmd",2000]}',
b'{"id":2,"jsonrpc":"2.0","method":"dev","params":["slowcmd",1500]}',
b'{"id":2,"jsonrpc":"2.0","method":"dev","params":["slowcmd",1500]}',
b'{"id":3,"jsonrpc":"2.0","method":"dev","params":["slowcmd",1000]}',
b'{"id":3,"jsonrpc":"2.0","method":"dev","params":["slowcmd",1000]}',
b'{"id":4,"jsonrpc":"2.0","method":"dev","params":["slowcmd",500]}',
b'{"id":4,"jsonrpc":"2.0","method":"dev","params":["slowcmd",500]}'
]
sock.sendall(b'\n'.join(commands))
buff = b''
# They will return in the same order, since they start immediately
# (delaying completion should mean we don't see the other commands intermingled).
for i in commands:
obj, buff = l1.rpc._readobj(sock, buff)
assert obj['id'] == l1.rpc.decoder.decode(i.decode("UTF-8"))['id']
sock.close()
def test_malformed_rpc(node_factory):
"""Test that we get a correct response to malformed RPC commands"""
l1 = node_factory.get_node()
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(l1.rpc.socket_path)
# No ID
sock.sendall(b'{"jsonrpc":"2.0","method":"getinfo","params":[]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32600
# No method
sock.sendall(b'{"id":1, "jsonrpc":"2.0","params":[]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32600
# Complete crap
sock.sendall(b'[]')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32600
# Bad ID
sock.sendall(b'{"id":{}, "jsonrpc":"2.0","method":"getinfo","params":[]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32600
# Bad method
sock.sendall(b'{"id":1, "method": 12, "jsonrpc":"2.0","params":[]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32600
# Unknown method
sock.sendall(b'{"id":1, "method": "unknown", "jsonrpc":"2.0","params":[]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['error']['code'] == -32601
sock.close()
def test_cli(node_factory):
l1 = node_factory.get_node()
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'help']).decode('utf-8')
# Test some known output.
assert 'help [command]\n List available commands, or give verbose help on one {command}' in out
# Test JSON output.
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J',
'help']).decode('utf-8')
j, _ = json.JSONDecoder().raw_decode(out)
assert j['help'][0]['command'] is not None
assert j['help'][0]['description'] is not None
# Test keyword input (autodetect)
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J',
'help', 'command=help']).decode('utf-8')
j, _ = json.JSONDecoder().raw_decode(out)
assert 'help [command]' in j['help'][0]['verbose']
# Test keyword input (forced)
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J', '-k',
'help', 'command=help']).decode('utf-8')
j, _ = json.JSONDecoder().raw_decode(out)
assert 'help [command]' in j['help'][0]['verbose']
# Test ordered input (autodetect)
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J',
'help', 'help']).decode('utf-8')
j, _ = json.JSONDecoder().raw_decode(out)
assert 'help [command]' in j['help'][0]['verbose']
# Test ordered input (forced)
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J', '-o',
'help', 'help']).decode('utf-8')
j, _ = json.JSONDecoder().raw_decode(out)
assert 'help [command]' in j['help'][0]['verbose']
# Test missing parameters.
try:
# This will error due to missing parameters.
# We want to check if lightningd will crash.
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-J', '-o',
'sendpay']).decode('utf-8')
except Exception:
pass
# Test it escapes JSON completely in both method and params.
# cli turns " into \", reply turns that into \\\".
out = subprocess.run(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'x"[]{}'],
stdout=subprocess.PIPE)
assert 'Unknown command \'x\\\\\\"[]{}\'' in out.stdout.decode('utf-8')
subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'invoice', '123000', 'l"[]{}', 'd"[]{}']).decode('utf-8')
# Check label is correct, and also that cli's keyword parsing works.
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'-k',
'listinvoices', 'label=l"[]{}']).decode('utf-8')
j = json.loads(out)
assert only_one(j['invoices'])['label'] == 'l"[]{}'
# For those using shell scripts (you know who you are Rene), make sure we're maintaining whitespace
lines = [l for l in out.splitlines() if '"bolt11"' not in l and '"payment_hash"' not in l and '"expires_at"' not in l]
assert lines == ['{',
' "invoices": [',
' {',
r' "label": "l\"[]{}",',
' "msatoshi": 123000,',
' "amount_msat": "123000msat",',
' "status": "unpaid",',
r' "description": "d\"[]{}",',
' }',
' ]',
'}']
def test_daemon_option(node_factory):
"""
Make sure --daemon at least vaguely works!
"""
# Lazy way to set up command line and env, plus do VALGRIND checks
l1 = node_factory.get_node()
l1.stop()
os.unlink(l1.rpc.socket_path)
subprocess.run(l1.daemon.cmd_line + ['--daemon', '--log-file={}/log-daemon'.format(l1.daemon.lightning_dir)], env=l1.daemon.env,
check=True)
# Test some known output (wait for rpc to be ready)
wait_for(lambda: os.path.exists(l1.rpc.socket_path))
out = subprocess.check_output(['cli/lightning-cli',
'--lightning-dir={}'
.format(l1.daemon.lightning_dir),
'help']).decode('utf-8')
assert 'help [command]\n List available commands, or give verbose help on one {command}' in out
subprocess.run(['cli/lightning-cli',
'--lightning-dir={}'.format(l1.daemon.lightning_dir),
'stop'], check=True)
# It should not complain that subdaemons aren't children.
with open('{}/log-daemon'.format(l1.daemon.lightning_dir), 'r') as f:
assert 'No child process' not in f.read()
@flaky
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_blockchaintrack(node_factory, bitcoind):
"""Check that we track the blockchain correctly across reorgs
"""
l1 = node_factory.get_node(random_hsm=True)
addr = l1.rpc.newaddr(addresstype='all')['p2sh-segwit']
######################################################################
# First failure scenario: rollback on startup doesn't work,
# and we try to add a block twice when rescanning:
l1.restart()
height = bitcoind.rpc.getblockcount() # 101
# At height 111 we receive an incoming payment
hashes = bitcoind.generate_block(9) # 102-110
bitcoind.rpc.sendtoaddress(addr, 1)
time.sleep(1) # mempool is still unpredictable
bitcoind.generate_block(1)
l1.daemon.wait_for_log(r'Owning output.* \(P2SH\).* CONFIRMED')
outputs = l1.rpc.listfunds()['outputs']
assert len(outputs) == 1
######################################################################
# Second failure scenario: perform a 20 block reorg
bitcoind.generate_block(10)
l1.daemon.wait_for_log('Adding block {}: '.format(height + 20))
# Now reorg out with a longer fork of 21 blocks
bitcoind.rpc.invalidateblock(hashes[0])
bitcoind.wait_for_log(r'InvalidChainFound: invalid block=.* height={}'
.format(height + 1))
hashes = bitcoind.generate_block(30)
time.sleep(1)
bitcoind.rpc.getblockcount()
l1.daemon.wait_for_log('Adding block {}: '.format(height + 30))
# Our funds got reorged out, we should not have any funds that are confirmed
# NOTE: sendtoaddress() sets locktime=103 and the reorg at 102 invalidates that tx
# and deletes it from mempool
assert [o for o in l1.rpc.listfunds()['outputs'] if o['status'] != "unconfirmed"] == []
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_funding_reorg_private(node_factory, bitcoind):
"""Change funding tx height after lockin, between node restart.
"""
# Rescan to detect reorg at restart and may_reconnect so channeld
# will restart. Reorg can cause bad gossip msg.
opts = {'funding-confirms': 2, 'rescan': 10, 'may_reconnect': True,
'allow_bad_gossip': True}
l1, l2 = node_factory.line_graph(2, fundchannel=False, opts=opts)
l1.fundwallet(10000000)
sync_blockheight(bitcoind, [l1]) # height 102
bitcoind.generate_block(3) # heights 103-105
l1.rpc.fundchannel(l2.info['id'], "all", announce=False)
bitcoind.generate_block(1) # height 106
wait_for(lambda: only_one(l1.rpc.listpeers()['peers'][0]['channels'])['status']
== ['CHANNELD_AWAITING_LOCKIN:Funding needs 1 more confirmations for lockin.'])
bitcoind.generate_block(1) # height 107
l1.wait_channel_active('106x1x0')
l1.stop()
# Create a fork that changes short_channel_id from 106x1x0 to 108x1x0
bitcoind.simple_reorg(106, 2) # heights 106-108
bitcoind.generate_block(1) # height 109 (to reach minimum_depth=2 again)
l1.start()
# l2 was running, sees last stale block being removed
l2.daemon.wait_for_logs([r'Removing stale block {}'.format(106),
r'Got depth change .->{} for .* REORG'.format(0)])
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('106x1x0')['channels']] == [False, False])
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('108x1x0')['channels']] == [True, True])
l1.rpc.close(l2.info['id'])
bitcoind.generate_block(1, True)
l1.daemon.wait_for_log(r'Deleting channel')
l2.daemon.wait_for_log(r'Deleting channel')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_funding_reorg_remote_lags(node_factory, bitcoind):
"""Nodes may disagree about short_channel_id before channel announcement
"""
# may_reconnect so channeld will restart; bad gossip can happen due to reorg
opts = {'funding-confirms': 1, 'may_reconnect': True, 'allow_bad_gossip': True}
l1, l2 = node_factory.line_graph(2, fundchannel=False, opts=opts)
l1.fundwallet(10000000)
sync_blockheight(bitcoind, [l1]) # height 102
l1.rpc.fundchannel(l2.info['id'], "all")
bitcoind.generate_block(5) # heights 103 - 107
l1.wait_channel_active('103x1x0')
# Make l2 temporary blind for blocks > 107
def no_more_blocks(req):
return {"result": None,
"error": {"code": -8, "message": "Block height out of range"}, "id": req['id']}
l2.daemon.rpcproxy.mock_rpc('getblockhash', no_more_blocks)
# Reorg changes short_channel_id 103x1x0 to 103x2x0, l1 sees it, restarts channeld
bitcoind.simple_reorg(102, 1) # heights 102 - 108
l1.daemon.wait_for_log(r'Peer transient failure .* short_channel_id changed to 103x2x0 \(was 103x1x0\)')
wait_for(lambda: only_one(l2.rpc.listpeers()['peers'][0]['channels'])['status'] == [
'CHANNELD_NORMAL:Reconnected, and reestablished.',
'CHANNELD_NORMAL:Funding transaction locked. They need our announcement signatures.'])
# Unblinding l2 brings it back in sync, restarts channeld and sends its announce sig
l2.daemon.rpcproxy.mock_rpc('getblockhash', None)
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('103x1x0')['channels']] == [False, False])
wait_for(lambda: [c['active'] for c in l2.rpc.listchannels('103x2x0')['channels']] == [True, True])
wait_for(lambda: only_one(l2.rpc.listpeers()['peers'][0]['channels'])['status'] == [
'CHANNELD_NORMAL:Reconnected, and reestablished.',
'CHANNELD_NORMAL:Funding transaction locked. Channel announced.'])
l1.rpc.close(l2.info['id'])
bitcoind.generate_block(1, True)
l1.daemon.wait_for_log(r'Deleting channel')
l2.daemon.wait_for_log(r'Deleting channel')
def test_rescan(node_factory, bitcoind):
"""Test the rescan option
"""
l1 = node_factory.get_node()
# The first start should start at current_height - 30 = 71, make sure
# it's not earlier
l1.daemon.wait_for_log(r'Adding block 101')
assert not l1.daemon.is_in_log(r'Adding block 70')
# Restarting with a higher rescan should go back further
l1.daemon.opts['rescan'] = 50
l1.restart()
l1.daemon.wait_for_log(r'Adding block 101')
assert l1.daemon.is_in_log(r'Adding block 51')
assert not l1.daemon.is_in_log(r'Adding block 50')
# Restarting with an absolute rescan should start from there
l1.daemon.opts['rescan'] = -31
l1.restart()
l1.daemon.wait_for_log(r'Adding block 101')
assert l1.daemon.is_in_log(r'Adding block 31')
assert not l1.daemon.is_in_log(r'Adding block 30')
# Restarting with a future absolute blockheight should just start with
# the current height
l1.daemon.opts['rescan'] = -500000
l1.stop()
bitcoind.generate_block(4)
l1.start()
l1.daemon.wait_for_log(r'Adding block 105')
assert not l1.daemon.is_in_log(r'Adding block 102')
@flaky
def test_reserve_enforcement(node_factory, executor):
"""Channeld should disallow you spending into your reserve"""
l1, l2 = node_factory.line_graph(2, opts={'may_reconnect': True})
# Pay 1000 satoshi to l2.
l1.pay(l2, 1000000)
l2.stop()
# They should both aim for 1%.
reserves = l2.db_query('SELECT channel_reserve_satoshis FROM channel_configs')
assert reserves == [{'channel_reserve_satoshis': 10**6 // 100}] * 2
# Edit db to reduce reserve to 0 so it will try to violate it.
l2.db_query('UPDATE channel_configs SET channel_reserve_satoshis=0',
use_copy=False)
l2.start()
wait_for(lambda: only_one(l2.rpc.listpeers(l1.info['id'])['peers'])['connected'])
# This should be impossible to pay entire thing back: l1 should
# kill us for trying to violate reserve.
executor.submit(l2.pay, l1, 1000000)
l1.daemon.wait_for_log(
'Peer permanent failure in CHANNELD_NORMAL: lightning_channeld: sent '
'ERROR Bad peer_add_htlc: CHANNEL_ERR_CHANNEL_CAPACITY_EXCEEDED'
)
@unittest.skipIf(not DEVELOPER, "needs dev_disconnect")
def test_htlc_send_timeout(node_factory, bitcoind):
"""Test that we don't commit an HTLC to an unreachable node."""
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(options={'log-level': 'io'},
feerates=(7500, 7500, 7500))
# Blackhole it after it sends HTLC_ADD to l3.
l2 = node_factory.get_node(disconnect=['0WIRE_UPDATE_ADD_HTLC'],
options={'log-level': 'io'},
feerates=(7500, 7500, 7500))
l3 = node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)