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test_lightningd.py
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from binascii import hexlify, unhexlify
from concurrent import futures
from decimal import Decimal
from hashlib import sha256
from lightning import LightningRpc
import copy
import json
import logging
import queue
import os
import random
import re
import sqlite3
import string
import sys
import tempfile
import threading
import time
import unittest
import utils
bitcoind = None
TEST_DIR = tempfile.mkdtemp(prefix='lightning-')
VALGRIND = os.getenv("NO_VALGRIND", "0") == "0"
DEVELOPER = os.getenv("DEVELOPER", "0") == "1"
TEST_DEBUG = os.getenv("TEST_DEBUG", "0") == "1"
print("Testing results are in {}".format(TEST_DIR))
if TEST_DEBUG:
logging.basicConfig(level=logging.DEBUG, stream=sys.stdout)
logging.info("Tests running in '%s'", TEST_DIR)
def to_json(arg):
return json.loads(json.dumps(arg))
def setupBitcoind(directory):
global bitcoind
bitcoind = utils.BitcoinD(bitcoin_dir=directory, rpcport=28332)
bitcoind.start()
info = bitcoind.rpc.getblockchaininfo()
# Make sure we have segwit and some funds
if info['blocks'] < 432:
logging.debug("SegWit not active, generating some more blocks")
bitcoind.generate_block(432 - info['blocks'])
elif bitcoind.rpc.getwalletinfo()['balance'] < 1:
logging.debug("Insufficient balance, generating 1 block")
bitcoind.generate_block(1)
def wait_for(success, timeout=30, interval=0.1):
start_time = time.time()
while not success() and time.time() < start_time + timeout:
time.sleep(interval)
if time.time() > start_time + timeout:
raise ValueError("Error waiting for {}", success)
def sync_blockheight(nodes):
target = bitcoind.rpc.getblockcount()
for n in nodes:
wait_for(lambda: n.rpc.getinfo()['blockheight'] == target)
def tearDownBitcoind():
global bitcoind
try:
bitcoind.rpc.stop()
except:
bitcoind.proc.kill()
bitcoind.proc.wait()
class NodeFactory(object):
"""A factory to setup and start `lightningd` daemons.
"""
def __init__(self, testname, bitcoind, executor):
self.testname = testname
self.next_id = 1
self.nodes = []
self.executor = executor
self.bitcoind = bitcoind
def get_node(self, disconnect=None, options=None, may_fail=False, random_hsm=False):
node_id = self.next_id
self.next_id += 1
lightning_dir = os.path.join(
TEST_DIR, self.testname, "lightning-{}/".format(node_id))
socket_path = os.path.join(lightning_dir, "lightning-rpc").format(node_id)
port = 16330+node_id
daemon = utils.LightningD(lightning_dir, self.bitcoind.bitcoin_dir, port=port, random_hsm=random_hsm)
# If we have a disconnect string, dump it to a file for daemon.
if disconnect:
with open(os.path.join(lightning_dir, "dev_disconnect"), "w") as f:
f.write("\n".join(disconnect))
daemon.cmd_line.append("--dev-disconnect=dev_disconnect")
if DEVELOPER:
daemon.cmd_line.append("--dev-fail-on-subdaemon-fail")
daemon.env["LIGHTNINGD_DEV_MEMLEAK"] = "1"
if VALGRIND:
daemon.env["LIGHTNINGD_DEV_NO_BACKTRACE"] = "1"
opts = [] if options is None else options
for opt in opts:
daemon.cmd_line.append(opt)
rpc = LightningRpc(socket_path, self.executor)
node = utils.LightningNode(daemon, rpc, self.bitcoind, self.executor, may_fail=may_fail)
self.nodes.append(node)
if VALGRIND:
node.daemon.cmd_line = [
'valgrind',
'-q',
'--trace-children=yes',
'--trace-children-skip=*bitcoin-cli*',
'--error-exitcode=7',
'--log-file={}/valgrind-errors.%p'.format(node.daemon.lightning_dir)
] + node.daemon.cmd_line
node.daemon.start()
# Cache `getinfo`, we'll be using it a lot
node.info = node.rpc.getinfo()
return node
def killall(self, expected_successes):
"""Returns true if every node we expected to succeed actually succeeded"""
unexpected_fail = False
for i in range(len(self.nodes)):
leaks = None
# leak detection upsets VALGRIND by reading uninitialized mem.
# If it's dead, we'll catch it below.
if not VALGRIND:
try:
# This also puts leaks in log.
leaks = self.nodes[i].rpc.dev_memleak()['leaks']
except:
pass
try:
self.nodes[i].stop()
except:
if expected_successes[i]:
unexpected_fail = True
if leaks is not None and len(leaks) != 0:
raise Exception("Node {} has memory leaks: {}"
.format(self.nodes[i].daemon.lightning_dir, leaks))
return not unexpected_fail
class BaseLightningDTests(unittest.TestCase):
def setUp(self):
bitcoin_dir = os.path.join(TEST_DIR, self._testMethodName, "bitcoind")
setupBitcoind(bitcoin_dir)
# Most of the executor threads will be waiting for IO, so
# let's have a few of them
self.executor = futures.ThreadPoolExecutor(max_workers=20)
self.node_factory = NodeFactory(self._testMethodName, bitcoind, self.executor)
def getValgrindErrors(self, node):
for error_file in os.listdir(node.daemon.lightning_dir):
if not re.fullmatch("valgrind-errors.\d+", error_file):
continue
with open(os.path.join(node.daemon.lightning_dir, error_file), 'r') as f:
errors = f.read().strip()
if errors:
return errors, error_file
return None, None
def printValgrindErrors(self, node):
errors, fname = self.getValgrindErrors(node)
if errors:
print("-"*31, "Valgrind errors", "-"*32)
print("Valgrind error file:", fname)
print(errors)
print("-"*80)
return 1 if errors else 0
def getCrashLog(self, node):
if node.may_fail:
return None, None
try:
crashlog = os.path.join(node.daemon.lightning_dir, 'crash.log')
with open(crashlog, 'r') as f:
return f.readlines(), crashlog
except:
return None, None
def printCrashLog(self, node):
errors, fname = self.getCrashLog(node)
if errors:
print("-"*10, "{} (last 50 lines)".format(fname), "-"*10)
for l in errors[-50:]:
print(l, end='')
print("-"*80)
return 1 if errors else 0
def tearDown(self):
ok = self.node_factory.killall([not n.may_fail for n in self.node_factory.nodes])
self.executor.shutdown(wait=False)
tearDownBitcoind()
err_count = 0
# Do not check for valgrind error files if it is disabled
if VALGRIND:
for node in self.node_factory.nodes:
err_count += self.printValgrindErrors(node)
if err_count:
raise ValueError("{} nodes reported valgrind errors".format(err_count))
for node in self.node_factory.nodes:
err_count += self.printCrashLog(node)
if err_count:
raise ValueError("{} nodes had crash.log files".format(err_count))
if not ok:
raise Exception("At least one lightning exited with unexpected non-zero return code")
class LightningDTests(BaseLightningDTests):
def connect(self):
l1 = self.node_factory.get_node()
l2 = self.node_factory.get_node()
ret = l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
assert ret['id'] == l2.info['id']
l1.daemon.wait_for_log('WIRE_GOSSIPCTL_HAND_BACK_PEER')
l2.daemon.wait_for_log('WIRE_GOSSIPCTL_HAND_BACK_PEER')
return l1,l2
# Returns the short channel-id: <blocknum>:<txnum>:<outnum>
def fund_channel(self, l1, l2, amount):
addr = l1.rpc.newaddr()['address']
txid = l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8 + 0.01)
tx = l1.bitcoin.rpc.getrawtransaction(txid)
l1.rpc.addfunds(tx)
# Generate a block, so we know next tx will be first in block.
l1.bitcoin.generate_block(1)
tx = l1.rpc.fundchannel(l2.info['id'], amount)['tx']
# Technically, this is async to fundchannel.
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log('-> CHANNELD_NORMAL')
l2.daemon.wait_for_log('-> CHANNELD_NORMAL')
# Hacky way to find our output.
decoded=bitcoind.rpc.decoderawtransaction(tx)
for out in decoded['vout']:
# Sometimes a float? Sometimes a decimal? WTF Python?!
if out['scriptPubKey']['type'] == 'witness_v0_scripthash':
if out['value'] == Decimal(amount) / 10**8 or out['value'] * 10**8 == amount:
return "{}:1:{}".format(bitcoind.rpc.getblockcount(), out['n'])
# Intermittent decoding failure. See if it decodes badly twice?
decoded2=bitcoind.rpc.decoderawtransaction(tx)
raise ValueError("Can't find {} payment in {} (1={} 2={})".format(amount, tx, decoded, decoded2))
def line_graph(self, n=2):
"""Build a line graph of the specified length and fund it.
"""
nodes = [self.node_factory.get_node() for _ in range(n)]
for i in range(len(nodes)-1):
nodes[i].rpc.connect(
nodes[i+1].info['id'],
'localhost',
nodes[i+1].info['port']
)
self.fund_channel(nodes[i], nodes[i+1], 10**6)
return nodes
def pay(self, lsrc, ldst, amt, label=None, async=False):
if not label:
label = ''.join(random.choice(string.ascii_letters + string.digits) for _ in range(20))
rhash = ldst.rpc.invoice(amt, label, label)['payment_hash']
assert ldst.rpc.listinvoice(label)[0]['complete'] == False
routestep = {
'msatoshi' : amt,
'id' : ldst.info['id'],
'delay' : 5,
'channel': '1:1:1'
}
def wait_pay():
# Up to 10 seconds for payment to succeed.
start_time = time.time()
while not ldst.rpc.listinvoice(label)[0]['complete']:
if time.time() > start_time + 10:
raise TimeoutError('Payment timed out')
time.sleep(0.1)
if async:
self.executor.submit(lsrc.rpc.sendpay, to_json([routestep]), rhash, async=False)
return self.executor.submit(wait_pay)
else:
lsrc.rpc.sendpay(to_json([routestep]), rhash, async=False)
# This waits until gossipd sees channel_update in both directions
# (or for local channels, at least a local announcment)
def wait_for_routes(self, l1, channel_ids):
bitcoind.generate_block(5)
# Could happen in any order...
l1.daemon.wait_for_logs(['Channel {}\\(0\\) was updated'.format(c)
for c in channel_ids]
+ ['Channel {}\\(1\\) was updated'.format(c)
for c in channel_ids])
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_shutdown(self):
# Fail, in that it will exit before cleanup.
l1 = self.node_factory.get_node(may_fail=True)
if not VALGRIND:
leaks = l1.rpc.dev_memleak()['leaks']
if len(leaks):
raise Exception("Node {} has memory leaks: {}"
.format(l1.daemon.lightning_dir, leaks))
l1.rpc.stop()
def test_invoice(self):
l1 = self.node_factory.get_node()
before = int(time.time())
inv = l1.rpc.invoice(123000, 'label', 'description')
after = int(time.time())
b11 = l1.rpc.decodepay(inv['bolt11'])
assert b11['currency'] == 'tb'
assert b11['timestamp'] >= before
assert b11['timestamp'] <= after
assert b11['payment_hash'] == inv['payment_hash']
assert b11['description'] == 'description'
assert b11['expiry'] == 3600
assert b11['payee'] == l1.info['id']
# Check pay_index is null
outputs = l1.db_query('SELECT pay_index IS NULL AS q FROM invoices WHERE label="label";')
assert len(outputs) == 1 and outputs[0]['q'] != 0
# Check any-amount invoice
inv = l1.rpc.invoice("any", 'label2', 'description2');
b11 = inv['bolt11']
# Amount usually comes after currency (tb in our case),
# but an any-amount invoices will have no amount
assert b11.startswith("lntb1")
# By bech32 rules, the last '1' digit is the separator
# between the human-readable and data parts. We want
# to match the "lntb1" above with the '1' digit as the
# separator, and not for example "lntb1m1....".
assert b11.count('1') == 1
def test_invoice_expiry(self):
l1,l2 = self.connect()
chanid = self.fund_channel(l1, l2, 10**6)
# Wait for route propagation.
self.wait_for_routes(l1, [chanid])
inv = l2.rpc.invoice(123000, 'test_pay', 'description', 1)['bolt11']
time.sleep(2)
self.assertRaises(ValueError, l1.rpc.pay, inv)
assert l2.rpc.listinvoice('test_pay')[0]['complete'] == False
assert l2.rpc.listinvoice('test_pay')[0]['expiry_time'] < time.time()
def test_connect(self):
l1,l2 = self.connect()
# These should be in gossipd.
assert l1.rpc.getpeer(l2.info['id'])['state'] == 'GOSSIPING'
assert l2.rpc.getpeer(l1.info['id'])['state'] == 'GOSSIPING'
# Both gossipds will have them as new peers once handed back.
l1.daemon.wait_for_log('hand_back_peer {}: now local again'.format(l2.info['id']))
l2.daemon.wait_for_log('hand_back_peer {}: now local again'.format(l1.info['id']))
# Reconnect should be a noop
ret = l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
assert ret['id'] == l2.info['id']
ret = l2.rpc.connect(l1.info['id'], 'localhost', l1.info['port'])
assert ret['id'] == l1.info['id']
# Should still only have one peer!
assert len(l1.rpc.getpeers()) == 1
assert len(l2.rpc.getpeers()) == 1
def test_balance(self):
l1,l2 = self.connect()
self.fund_channel(l1, l2, 10**6)
p1 = l1.rpc.getpeer(l2.info['id'], 'info')
p2 = l2.rpc.getpeer(l1.info['id'], 'info')
assert p1['msatoshi_to_us'] == 10**6 * 1000
assert p1['msatoshi_total'] == 10**6 * 1000
assert p2['msatoshi_to_us'] == 0
assert p2['msatoshi_total'] == 10**6 * 1000
def test_decodepay(self):
l1 = self.node_factory.get_node()
# BOLT #11:
# > ### Please make a donation of any amount using payment_hash 0001020304050607080900010203040506070809000102030405060708090102 to me @03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad
# > lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcqca784w
#
# Breakdown:
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash
# * `p5`: `data_length` (`p` = 1, `5` = 20. 1 * 32 + 20 == 52)
# * `qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypq`: payment hash 0001020304050607080900010203040506070809000102030405060708090102
# * `d`: short description
# * `pl`: `data_length` (`p` = 1, `l` = 31. 1 * 32 + 31 == 63)
# * `2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq`: 'Please consider supporting this project'
# * `32vjcgqxyuj7nqphl3xmmhls2rkl3t97uan4j0xa87gj5779czc8p0z58zf5wpt9ggem6adl64cvawcxlef9djqwp2jzzfvs272504sp`: signature
# * `0lkg3c`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcqca784w')
assert b11['currency'] == 'bc'
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['description'] == 'Please consider supporting this project'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
# BOLT #11:
# > ### Please send $3 for a cup of coffee to the same peer, within 1 minute
# > lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp
#
# Breakdown:
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `2500u`: amount (2500 micro-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `d`: short description
# * `q5`: `data_length` (`q` = 0, `5` = 20. 0 * 32 + 20 == 20)
# * `xysxxatsyp3k7enxv4js`: '1 cup coffee'
# * `x`: expiry time
# * `qz`: `data_length` (`q` = 0, `z` = 2. 0 * 32 + 2 == 2)
# * `pu`: 60 seconds (`p` = 1, `u` = 28. 1 * 32 + 28 == 60)
# * `azh8qt5w7qeewkmxtv55khqxvdfs9zzradsvj7rcej9knpzdwjykcq8gv4v2dl705pjadhpsc967zhzdpuwn5qzjm0s4hqm2u0vuhhqq`: signature
# * `7vc09u`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 2500 * 10**11 // 1000000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['description'] == '1 cup coffee'
assert b11['expiry'] == 60
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
# BOLT #11:
# > ### Now send $24 for an entire list of things (hashed)
# > lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqscc6gd6ql3jrc5yzme8v4ntcewwz5cnw92tz0pc8qcuufvq7khhr8wpald05e92xw006sq94mg8v2ndf4sefvf9sygkshp5zfem29trqq2yxxz7
#
# Breakdown:
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `h`: tagged field: hash of description
# * `p5`: `data_length` (`p` = 1, `5` = 20. 1 * 32 + 20 == 52)
# * `8yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqs`: SHA256 of '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'
# * `vjfls3ljx9e93jkw0kw40yxn4pevgzflf83qh2852esjddv4xk4z70nehrdcxa4fk0t6hlcc6vrxywke6njenk7yzkzw0quqcwxphkcp`: signature
# * `vam37w`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqscc6gd6ql3jrc5yzme8v4ntcewwz5cnw92tz0pc8qcuufvq7khhr8wpald05e92xw006sq94mg8v2ndf4sefvf9sygkshp5zfem29trqq2yxxz7', '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')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
# > ### The same, on testnet, with a fallback address mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP
# > lntb20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfpp3x9et2e20v6pu37c5d9vax37wxq72un98kmzzhznpurw9sgl2v0nklu2g4d0keph5t7tj9tcqd8rexnd07ux4uv2cjvcqwaxgj7v4uwn5wmypjd5n69z2xm3xgksg28nwht7f6zspwp3f9t
#
# Breakdown:
#
# * `lntb`: prefix, lightning on bitcoin testnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `f`: tagged field: fallback address
# * `pp`: `data_length` (`p` = 1. 1 * 32 + 1 == 33)
# * `3x9et2e20v6pu37c5d9vax37wxq72un98`: `3` = 17, so P2PKH address
# * `h`: tagged field: hash of description...
# * `qh84fmvn2klvglsjxfy0vq2mz6t9kjfzlxfwgljj35w2kwa60qv49k7jlsgx43yhs9nuutllkhhnt090mmenuhp8ue33pv4klmrzlcqp`: signature
# * `us2s2r`: Bech32 checksum
b11 = l1.rpc.decodepay('lntb20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfpp3x9et2e20v6pu37c5d9vax37wxq72un98kmzzhznpurw9sgl2v0nklu2g4d0keph5t7tj9tcqd8rexnd07ux4uv2cjvcqwaxgj7v4uwn5wmypjd5n69z2xm3xgksg28nwht7f6zspwp3f9t', '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')
assert b11['currency'] == 'tb'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
assert b11['fallback']['type'] == 'P2PKH'
assert b11['fallback']['addr'] == 'mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP'
# > ### On mainnet, with fallback address 1RustyRX2oai4EYYDpQGWvEL62BBGqN9T with extra routing info to go via nodes 029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255 then 039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255
# > lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqsfpp3qjmp7lwpagxun9pygexvgpjdc4jdj85fr9yq20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqpqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqgqqqqq7qqzqj9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qqdhhwkj
#
# Breakdown:
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `h`: tagged field: hash of description...
# * `f`: tagged field: fallback address
# * `pp`: `data_length` (`p` = 1. 1 * 32 + 1 == 33)
# * `3` = 17, so P2PKH address
# * `qjmp7lwpagxun9pygexvgpjdc4jdj85f`: 160 bit P2PKH address
# * `r`: tagged field: route information
# * `9y`: `data_length` (`9` = 5, `y` = 4. 5 * 32 + 4 = 164)
# `q20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqqqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqqqqqqq7qqzq`: pubkey `029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255`, `short_channel_id` 0102030405060708, `fee_base_msat` 1 millisatoshi, `fee_proportional_millionths` 20, `cltv_expiry_delta` 3. pubkey `039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255`, `short_channel_id` 030405060708090a, `fee_base_msat` 2 millisatoshi, `fee_proportional_millionths` 30, `cltv_expiry_delta` 4.
# * `j9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qq`: signature
# * `dhhwkj`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqsfpp3qjmp7lwpagxun9pygexvgpjdc4jdj85fr9yq20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqpqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqgqqqqq7qqzqj9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qqdhhwkj', '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')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
assert b11['fallback']['type'] == 'P2PKH'
assert b11['fallback']['addr'] == '1RustyRX2oai4EYYDpQGWvEL62BBGqN9T'
assert len(b11['routes']) == 1
assert len(b11['routes'][0]) == 2
assert b11['routes'][0][0]['pubkey'] == '029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255'
# 0x010203:0x040506:0x0708
assert b11['routes'][0][0]['short_channel_id'] == '66051:263430:1800'
assert b11['routes'][0][0]['fee_base_msat'] == 1
assert b11['routes'][0][0]['fee_proportional_millionths'] == 20
assert b11['routes'][0][0]['cltv_expiry_delta'] == 3
assert b11['routes'][0][1]['pubkey'] == '039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255'
# 0x030405:0x060708:0x090a
assert b11['routes'][0][1]['short_channel_id'] == '197637:395016:2314'
assert b11['routes'][0][1]['fee_base_msat'] == 2
assert b11['routes'][0][1]['fee_proportional_millionths'] == 30
assert b11['routes'][0][1]['cltv_expiry_delta'] == 4
# > ### On mainnet, with fallback (P2SH) address 3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX
# > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppj3a24vwu6r8ejrss3axul8rxldph2q7z9kmrgvr7xlaqm47apw3d48zm203kzcq357a4ls9al2ea73r8jcceyjtya6fu5wzzpe50zrge6ulk4nvjcpxlekvmxl6qcs9j3tz0469gq5g658y
#
# Breakdown:
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `f`: tagged field: fallback address.
# * `pp`: `data_length` (`p` = 1. 1 * 32 + 1 == 33)
# * `j3a24vwu6r8ejrss3axul8rxldph2q7z9`: `j` = 18, so P2SH address
# * `h`: tagged field: hash of description...
# * `2jhz8j78lv2jynuzmz6g8ve53he7pheeype33zlja5azae957585uu7x59w0f2l3rugyva6zpu394y4rh093j6wxze0ldsvk757a9msq`: signature
# * `mf9swh`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppj3a24vwu6r8ejrss3axul8rxldph2q7z9kmrgvr7xlaqm47apw3d48zm203kzcq357a4ls9al2ea73r8jcceyjtya6fu5wzzpe50zrge6ulk4nvjcpxlekvmxl6qcs9j3tz0469gq5g658y', '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')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
assert b11['fallback']['type'] == 'P2SH'
assert b11['fallback']['addr'] == '3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX'
# > ### On mainnet, with fallback (P2WPKH) address bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4
# > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppqw508d6qejxtdg4y5r3zarvary0c5xw7kepvrhrm9s57hejg0p662ur5j5cr03890fa7k2pypgttmh4897d3raaq85a293e9jpuqwl0rnfuwzam7yr8e690nd2ypcq9hlkdwdvycqa0qza8
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `f`: tagged field: fallback address.
# * `pp`: `data_length` (`p` = 1. 1 * 32 + 1 == 33)
# * `q`: 0, so witness version 0.
# * `qw508d6qejxtdg4y5r3zarvary0c5xw7k`: 160 bits = P2WPKH.
# * `h`: tagged field: hash of description...
# * `gw6tk8z0p0qdy9ulggx65lvfsg3nxxhqjxuf2fvmkhl9f4jc74gy44d5ua9us509prqz3e7vjxrftn3jnk7nrglvahxf7arye5llphgq`: signature
# * `qdtpa4`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppqw508d6qejxtdg4y5r3zarvary0c5xw7kepvrhrm9s57hejg0p662ur5j5cr03890fa7k2pypgttmh4897d3raaq85a293e9jpuqwl0rnfuwzam7yr8e690nd2ypcq9hlkdwdvycqa0qza8', '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')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
assert b11['fallback']['type'] == 'P2WPKH'
assert b11['fallback']['addr'] == 'bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4'
# > ### On mainnet, with fallback (P2WSH) address bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3
# > lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfp4qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q28j0v3rwgy9pvjnd48ee2pl8xrpxysd5g44td63g6xcjcu003j3qe8878hluqlvl3km8rm92f5stamd3jw763n3hck0ct7p8wwj463cql26ava
#
# * `lnbc`: prefix, lightning on bitcoin mainnet
# * `20m`: amount (20 milli-bitcoin)
# * `1`: Bech32 separator
# * `pvjluez`: timestamp (1496314658)
# * `p`: payment hash...
# * `f`: tagged field: fallback address.
# * `p4`: `data_length` (`p` = 1, `4` = 21. 1 * 32 + 21 == 53)
# * `q`: 0, so witness version 0.
# * `rp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q`: 260 bits = P2WSH.
# * `h`: tagged field: hash of description...
# * `5yps56lmsvgcrf476flet6js02m93kgasews8q3jhtp7d6cqckmh70650maq4u65tk53ypszy77v9ng9h2z3q3eqhtc3ewgmmv2grasp`: signature
# * `akvd7y`: Bech32 checksum
b11 = l1.rpc.decodepay('lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfp4qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q28j0v3rwgy9pvjnd48ee2pl8xrpxysd5g44td63g6xcjcu003j3qe8878hluqlvl3km8rm92f5stamd3jw763n3hck0ct7p8wwj463cql26ava', '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')
assert b11['currency'] == 'bc'
assert b11['msatoshi'] == 20 * 10**11 // 1000
assert b11['timestamp'] == 1496314658
assert b11['payment_hash'] == '0001020304050607080900010203040506070809000102030405060708090102'
assert b11['expiry'] == 3600
assert b11['payee'] == '03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad'
assert b11['fallback']['type'] == 'P2WSH'
assert b11['fallback']['addr'] == 'bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3'
self.assertRaises(ValueError, l1.rpc.decodepay, '1111111')
def test_sendpay(self):
l1,l2 = self.connect()
self.fund_channel(l1, l2, 10**6)
amt = 200000000
rhash = l2.rpc.invoice(amt, 'testpayment2', 'desc')['payment_hash']
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == False
routestep = {
'msatoshi' : amt,
'id' : l2.info['id'],
'delay' : 5,
'channel': '1:1:1'
}
# Insufficient funds.
rs = copy.deepcopy(routestep)
rs['msatoshi'] = rs['msatoshi'] - 1
self.assertRaises(ValueError, l1.rpc.sendpay, to_json([rs]), rhash)
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == False
# Gross overpayment (more than factor of 2)
rs = copy.deepcopy(routestep)
rs['msatoshi'] = rs['msatoshi'] * 2 + 1
self.assertRaises(ValueError, l1.rpc.sendpay, to_json([rs]), rhash)
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == False
# Insufficient delay.
rs = copy.deepcopy(routestep)
rs['delay'] = rs['delay'] - 2
self.assertRaises(ValueError, l1.rpc.sendpay, to_json([rs]), rhash)
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == False
# Bad ID.
rs = copy.deepcopy(routestep)
rs['id'] = '00000000000000000000000000000000'
self.assertRaises(ValueError, l1.rpc.sendpay, to_json([rs]), rhash)
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == False
# FIXME: test paying via another node, should fail to pay twice.
p1 = l1.rpc.getpeer(l2.info['id'], 'info')
p2 = l2.rpc.getpeer(l1.info['id'], 'info')
assert p1['msatoshi_to_us'] == 10**6 * 1000
assert p1['msatoshi_total'] == 10**6 * 1000
assert p2['msatoshi_to_us'] == 0
assert p2['msatoshi_total'] == 10**6 * 1000
# This works.
l1.rpc.sendpay(to_json([routestep]), rhash)
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == True
assert l2.rpc.listinvoice('testpayment2')[0]['pay_index'] == 1
assert l2.rpc.listinvoice('testpayment2')[0]['msatoshi_received'] == rs['msatoshi']
# Balances should reflect it.
time.sleep(1)
p1 = l1.rpc.getpeer(l2.info['id'], 'info')
p2 = l2.rpc.getpeer(l1.info['id'], 'info')
assert p1['msatoshi_to_us'] == 10**6 * 1000 - amt
assert p1['msatoshi_total'] == 10**6 * 1000
assert p2['msatoshi_to_us'] == amt
assert p2['msatoshi_total'] == 10**6 * 1000
# Repeat will "succeed", but won't actually send anything (duplicate)
assert not l1.daemon.is_in_log('... succeeded')
l1.rpc.sendpay(to_json([routestep]), rhash)
l1.daemon.wait_for_log('... succeeded')
assert l2.rpc.listinvoice('testpayment2')[0]['complete'] == True
assert l2.rpc.listinvoice('testpayment2')[0]['msatoshi_received'] == rs['msatoshi']
# Overpaying by "only" a factor of 2 succeeds.
rhash = l2.rpc.invoice(amt, 'testpayment3', 'desc')['payment_hash']
assert l2.rpc.listinvoice('testpayment3')[0]['complete'] == False
routestep = { 'msatoshi' : amt * 2, 'id' : l2.info['id'], 'delay' : 5, 'channel': '1:1:1'}
l1.rpc.sendpay(to_json([routestep]), rhash)
assert l2.rpc.listinvoice('testpayment3')[0]['complete'] == True
assert l2.rpc.listinvoice('testpayment3')[0]['msatoshi_received'] == amt*2
def test_sendpay_cant_afford(self):
l1,l2 = self.connect()
# Note, this is in SATOSHI, rest are in MILLISATOSHI!
self.fund_channel(l1, l2, 10**6)
# Can't pay more than channel capacity.
self.assertRaises(ValueError, self.pay, l1, l2, 10**9 + 1)
# This is the fee, which needs to be taken into account for l1.
available = 10**9 - 6720
# Reserve is 1%.
reserve = 10**7
# Can't pay past reserve.
self.assertRaises(ValueError, self.pay, l1, l2, available)
self.assertRaises(ValueError, self.pay, l1, l2, available - reserve + 1)
# Can pay up to reserve (1%)
self.pay(l1, l2, available - reserve)
# And now it can't pay back, due to its own reserve.
self.assertRaises(ValueError, self.pay, l2, l1, available - reserve)
# But this should work.
self.pay(l2, l1, available - reserve*2)
def test_pay(self):
l1,l2 = self.connect()
chanid = self.fund_channel(l1, l2, 10**6)
# Wait for route propagation.
self.wait_for_routes(l1, [chanid])
inv = l2.rpc.invoice(123000, 'test_pay', 'description')['bolt11']
l1.rpc.pay(inv)
assert l2.rpc.listinvoice('test_pay')[0]['complete'] == True
# Repeat payments are NOPs (if valid): we can hand null.
l1.rpc.pay(inv, None)
# This won't work: can't provide an amount (even if correct!)
self.assertRaises(ValueError, l1.rpc.pay, inv, 123000)
self.assertRaises(ValueError, l1.rpc.pay, inv, 122000)
# Check pay_index is not null
outputs = l2.db_query('SELECT pay_index IS NOT NULL AS q FROM invoices WHERE label="label";')
assert len(outputs) == 1 and outputs[0]['q'] != 0
# Check payment of any-amount invoice.
for i in range(5):
label = "any{}".format(i)
inv = l2.rpc.invoice("any", label, 'description')['bolt11']
# Must provide an amount!
self.assertRaises(ValueError, l1.rpc.pay, inv)
self.assertRaises(ValueError, l1.rpc.pay, inv, None)
l1.rpc.pay(inv, random.randint(1000, 999999))
def test_bad_opening(self):
# l1 asks for a too-long locktime
l1 = self.node_factory.get_node(options=['--locktime-blocks=100'])
l2 = self.node_factory.get_node(options=['--max-locktime-blocks=99'])
ret = l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
assert ret['id'] == l2.info['id']
l1.daemon.wait_for_log('WIRE_GOSSIPCTL_HAND_BACK_PEER')
l2.daemon.wait_for_log('WIRE_GOSSIPCTL_HAND_BACK_PEER')
addr = l1.rpc.newaddr()['address']
txid = l1.bitcoin.rpc.sendtoaddress(addr, 10**6 / 10**8 + 0.01)
tx = l1.bitcoin.rpc.getrawtransaction(txid)
l1.rpc.addfunds(tx)
self.assertRaises(ValueError, l1.rpc.fundchannel, l2.info['id'], 10**6)
l2.daemon.wait_for_log('to_self_delay 100 larger than 99')
def test_closing(self):
l1,l2 = self.connect()
self.fund_channel(l1, l2, 10**6)
self.pay(l1, l2, 200000000)
assert l1.bitcoin.rpc.getmempoolinfo()['size'] == 0
# This should return, then close.
l1.rpc.close(l2.info['id'])
l1.daemon.wait_for_log('-> CHANNELD_SHUTTING_DOWN')
l2.daemon.wait_for_log('-> CHANNELD_SHUTTING_DOWN')
l1.daemon.wait_for_log('-> CLOSINGD_SIGEXCHANGE')
l2.daemon.wait_for_log('-> CLOSINGD_SIGEXCHANGE')
# And should put closing into mempool.
l1.daemon.wait_for_log('sendrawtx exit 0')
l2.daemon.wait_for_log('sendrawtx exit 0')
assert l1.bitcoin.rpc.getmempoolinfo()['size'] == 1
# Now grab the close transaction
closetxid = l1.bitcoin.rpc.getrawmempool(False)[0]
l1.bitcoin.rpc.generate(10)
l1.daemon.wait_for_log(r'Owning output .* txid %s' % closetxid)
l2.daemon.wait_for_log(r'Owning output .* txid %s' % closetxid)
# Make sure both nodes have grabbed their close tx funds
assert closetxid in set([o['txid'] for o in l1.rpc.listfunds()['outputs']])
assert closetxid in set([o['txid'] for o in l2.rpc.listfunds()['outputs']])
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_permfail(self):
l1,l2 = self.connect()
self.fund_channel(l1, l2, 10**6)
self.pay(l1,l2,200000000)
# Make sure l2 has received sig with 0 htlcs!
l2.daemon.wait_for_log('Received commit_sig with 0 htlc sigs')
# Make sure l1 has final revocation.
l1.daemon.wait_for_log('Sending commit_sig with 0 htlc sigs')
l1.daemon.wait_for_log('peer_in WIRE_REVOKE_AND_ACK')
# We fail l2, so l1 will reconnect to it.
l2.rpc.dev_fail(l1.info['id'])
l2.daemon.wait_for_log('Failing due to dev-fail command')
l2.daemon.wait_for_log('sendrawtx exit 0')
assert l1.bitcoin.rpc.getmempoolinfo()['size'] == 1
# Now grab the close transaction
closetxid = l1.bitcoin.rpc.getrawmempool(False)[0]
# "Internal error" in hex
l1.daemon.wait_for_log('WIRE_ERROR.*496e7465726e616c206572726f72')
# l2 will send out tx (l1 considers it a transient error)
bitcoind.generate_block(1)
l1.daemon.wait_for_log('Their unilateral tx, old commit point')
l1.daemon.wait_for_log('-> ONCHAIND_THEIR_UNILATERAL')
l2.daemon.wait_for_log('-> ONCHAIND_OUR_UNILATERAL')
l2.daemon.wait_for_log('Propose handling OUR_UNILATERAL/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET (.*) in 5 blocks')
# Now, mine 5 blocks so it sends out the spending tx.
bitcoind.generate_block(5)
# It should send the to-wallet tx.
l2.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET')
l2.daemon.wait_for_log('sendrawtx exit 0')
# 100 after l1 sees tx, it should be done.
bitcoind.generate_block(95)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
# Now, 100 blocks l2 should be done.
bitcoind.generate_block(5)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
# Only l1 has a direct output since all of l2's outputs are respent (it failed)
assert closetxid in set([o['txid'] for o in l1.rpc.listfunds()['outputs']])
#import pdb; pdb.set_trace()
addr = l1.bitcoin.rpc.getnewaddress()
print(addr)
l1.rpc.withdraw(addr, "all")
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_first_commit(self):
"""Onchain handling where funder immediately drops to chain"""
# HTLC 1->2, 1 fails just after funding.
disconnects = ['+WIRE_FUNDING_LOCKED', 'permfail']
l1 = self.node_factory.get_node(disconnect=disconnects)
# Make locktime different, as we once had them reversed!
l2 = self.node_factory.get_node(options=['--locktime-blocks=10'])
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
# Like fundchannel, but we'll probably fail before CHANNELD_NORMAL.
addr = l1.rpc.newaddr()['address']
txid = l1.bitcoin.rpc.sendtoaddress(addr, 10**6 / 10**8 + 0.01)
tx = l1.bitcoin.rpc.getrawtransaction(txid)
l1.rpc.addfunds(tx)
l1.rpc.fundchannel(l2.info['id'], 10**6)
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
# l1 will drop to chain.
l1.daemon.wait_for_log('permfail')
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log('-> ONCHAIND_OUR_UNILATERAL')
l2.daemon.wait_for_log('-> ONCHAIND_THEIR_UNILATERAL')
# 10 later, l1 should collect its to-self payment.
bitcoind.generate_block(10)
l1.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET .* to resolve OUR_UNILATERAL/DELAYED_OUTPUT_TO_US')
l1.daemon.wait_for_log('sendrawtx exit 0')
# 94 later, l2 is done.
bitcoind.generate_block(94)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
# Now, 100 blocks and l1 should be done.
bitcoind.generate_block(6)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_dust_out(self):
"""Onchain handling of outgoing dust htlcs (they should fail)"""
# HTLC 1->2, 1 fails after it's irrevocably committed
disconnects = ['@WIRE_REVOKE_AND_ACK', 'permfail']
l1 = self.node_factory.get_node(disconnect=disconnects)
l2 = self.node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
self.fund_channel(l1, l2, 10**6)
# Must be dust!
rhash = l2.rpc.invoice(1, 'onchain_dust_out', 'desc')['payment_hash']
routestep = {
'msatoshi' : 1,
'id' : l2.info['id'],
'delay' : 5,
'channel': '1:1:1'
}
payfuture = self.executor.submit(l1.rpc.sendpay, to_json([routestep]), rhash)
# l1 will drop to chain.
l1.daemon.wait_for_log('permfail')
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log('-> ONCHAIND_OUR_UNILATERAL')
l2.daemon.wait_for_log('-> ONCHAIND_THEIR_UNILATERAL')
# We use 3 blocks for "reasonable depth"
bitcoind.generate_block(3)
# It should fail.
self.assertRaises(ValueError, payfuture.result, 5)
l1.daemon.wait_for_log('WIRE_PERMANENT_CHANNEL_FAILURE: missing in commitment tx')
# 6 later, l1 should collect its to-self payment.
bitcoind.generate_block(6)
l1.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET .* to resolve OUR_UNILATERAL/DELAYED_OUTPUT_TO_US')
l1.daemon.wait_for_log('sendrawtx exit 0')
# 94 later, l2 is done.
bitcoind.generate_block(94)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
# Now, 100 blocks and l1 should be done.
bitcoind.generate_block(6)
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
# Payment failed, BTW
assert l2.rpc.listinvoice('onchain_dust_out')[0]['complete'] == False
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_timeout(self):
"""Onchain handling of outgoing failed htlcs"""
# HTLC 1->2, 1 fails just after it's irrevocably committed
disconnects = ['+WIRE_REVOKE_AND_ACK', 'permfail']
l1 = self.node_factory.get_node(disconnect=disconnects)
l2 = self.node_factory.get_node()
l1.rpc.connect(l2.info['id'], 'localhost', l2.info['port'])
self.fund_channel(l1, l2, 10**6)
rhash = l2.rpc.invoice(10**8, 'onchain_timeout', 'desc')['payment_hash']
# We underpay, so it fails.
routestep = {
'msatoshi' : 10**8 - 1,
'id' : l2.info['id'],
'delay' : 5,
'channel': '1:1:1'
}
payfuture = self.executor.submit(l1.rpc.sendpay, to_json([routestep]), rhash)
# l1 will drop to chain.