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core-lightning/tests/test_misc.py
Rusty Russell ede7d0518e connectd: unlink any old socket when we use --bind-addr. 
They don't clean up after themselves, so best we do it here (by this
point we've already done the pid check to make sure we're the only
lightningd here anyway).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2019-04-08 22:00:00 +02:00

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from decimal import Decimal
from fixtures import * # noqa: F401,F403
from flaky import flaky
from lightning import RpcError
from utils import DEVELOPER, VALGRIND, sync_blockheight, only_one, wait_for, TailableProc
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_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_withdraw(node_factory, bitcoind):
amount = 1000000
# Don't get any funds from previous runs.
l1 = node_factory.get_node(random_hsm=True)
l2 = node_factory.get_node(random_hsm=True)
addr = l1.rpc.newaddr()['bech32']
# Add some funds to withdraw later
for i in range(10):
l1.bitcoin.rpc.sendtoaddress(addr, amount / 10**8 + 0.01)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 10)
# Reach around into the db to check that outputs were added
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 10
waddr = l1.bitcoin.rpc.getnewaddress()
# Now attempt to withdraw some (making sure we collect multiple inputs)
with pytest.raises(RpcError):
l1.rpc.withdraw('not an address', amount)
with pytest.raises(RpcError):
l1.rpc.withdraw(waddr, 'not an amount')
with pytest.raises(RpcError):
l1.rpc.withdraw(waddr, -amount)
with pytest.raises(RpcError, match=r'Cannot afford transaction'):
l1.rpc.withdraw(waddr, amount * 100)
out = l1.rpc.withdraw(waddr, 2 * amount)
# Make sure bitcoind received the withdrawal
unspent = l1.bitcoin.rpc.listunspent(0)
withdrawal = [u for u in unspent if u['txid'] == out['txid']]
assert(withdrawal[0]['amount'] == Decimal('0.02'))
# Now make sure two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 2
# Now send some money to l2.
# lightningd uses P2SH-P2WPKH
waddr = l2.rpc.newaddr('bech32')['bech32']
l1.rpc.withdraw(waddr, 2 * amount)
bitcoind.generate_block(1)
# Make sure l2 received the withdrawal.
wait_for(lambda: len(l2.rpc.listfunds()['outputs']) == 1)
outputs = l2.db_query('SELECT value FROM outputs WHERE status=0;')
assert only_one(outputs)['value'] == 2 * amount
# Now make sure an additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 4
# Simple test for withdrawal to P2WPKH
# Address from: https://bc-2.jp/tools/bech32demo/index.html
waddr = 'bcrt1qw508d6qejxtdg4y5r3zarvary0c5xw7kygt080'
with pytest.raises(RpcError):
l1.rpc.withdraw('xx1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1pw508d6qejxtdg4y5r3zarvary0c5xw7kdl9fad', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxxxxxx', 2 * amount)
l1.rpc.withdraw(waddr, 2 * amount)
bitcoind.generate_block(1)
# Now make sure additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 6
# Simple test for withdrawal to P2WSH
# Address from: https://bc-2.jp/tools/bech32demo/index.html
waddr = 'bcrt1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qzf4jry'
with pytest.raises(RpcError):
l1.rpc.withdraw('xx1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sl5k7', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1prp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qsm03tq', 2 * amount)
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qxxxxxx', 2 * amount)
l1.rpc.withdraw(waddr, 2 * amount)
bitcoind.generate_block(1)
# Now make sure additional two of them were marked as spent
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=2')[0]['c'] == 8
# failure testing for invalid SegWit addresses, from BIP173
# HRP character out of range
with pytest.raises(RpcError):
l1.rpc.withdraw(' 1nwldj5', 2 * amount)
# overall max length exceeded
with pytest.raises(RpcError):
l1.rpc.withdraw('an84characterslonghumanreadablepartthatcontainsthenumber1andtheexcludedcharactersbio1569pvx', 2 * amount)
# No separator character
with pytest.raises(RpcError):
l1.rpc.withdraw('pzry9x0s0muk', 2 * amount)
# Empty HRP
with pytest.raises(RpcError):
l1.rpc.withdraw('1pzry9x0s0muk', 2 * amount)
# Invalid witness version
with pytest.raises(RpcError):
l1.rpc.withdraw('BC13W508D6QEJXTDG4Y5R3ZARVARY0C5XW7KN40WF2', 2 * amount)
# Invalid program length for witness version 0 (per BIP141)
with pytest.raises(RpcError):
l1.rpc.withdraw('BC1QR508D6QEJXTDG4Y5R3ZARVARYV98GJ9P', 2 * amount)
# Mixed case
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q0sL5k7', 2 * amount)
# Non-zero padding in 8-to-5 conversion
with pytest.raises(RpcError):
l1.rpc.withdraw('tb1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3pjxtptv', 2 * amount)
# Should have 6 outputs available.
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 6
# Test withdrawal to self.
l1.rpc.withdraw(l1.rpc.newaddr('bech32')['bech32'], 'all', minconf=0)
bitcoind.generate_block(1)
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 1
l1.rpc.withdraw(waddr, 'all', minconf=0)
assert l1.db_query('SELECT COUNT(*) as c FROM outputs WHERE status=0')[0]['c'] == 0
# This should fail, can't even afford fee.
with pytest.raises(RpcError, match=r'Cannot afford transaction'):
l1.rpc.withdraw(waddr, 'all')
def test_addfunds_from_block(node_factory, bitcoind):
"""Send funds to the daemon without telling it explicitly
"""
# Previous runs with same bitcoind can leave funds!
l1 = node_factory.get_node(random_hsm=True)
addr = l1.rpc.newaddr()['bech32']
bitcoind.rpc.sendtoaddress(addr, 0.1)
bitcoind.generate_block(1)
wait_for(lambda: len(l1.rpc.listfunds()['outputs']) == 1)
outputs = l1.db_query('SELECT value FROM outputs WHERE status=0;')
assert only_one(outputs)['value'] == 10000000
# The address we detect must match what was paid to.
output = only_one(l1.rpc.listfunds()['outputs'])
assert output['address'] == addr
# Send all our money to a P2WPKH address this time.
addr = l1.rpc.newaddr("bech32")['bech32']
l1.rpc.withdraw(addr, "all")
bitcoind.generate_block(1)
time.sleep(1)
# The address we detect must match what was paid to.
output = only_one(l1.rpc.listfunds()['outputs'])
assert output['address'] == addr
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-slowcmd","params":[2000]}',
b'{"id":1,"jsonrpc":"2.0","method":"dev-slowcmd","params":[2000]}',
b'{"id":2,"jsonrpc":"2.0","method":"dev-slowcmd","params":[1500]}',
b'{"id":2,"jsonrpc":"2.0","method":"dev-slowcmd","params":[1500]}',
b'{"id":3,"jsonrpc":"2.0","method":"dev-slowcmd","params":[1000]}',
b'{"id":3,"jsonrpc":"2.0","method":"dev-slowcmd","params":[1000]}',
b'{"id":4,"jsonrpc":"2.0","method":"dev-slowcmd","params":[500]}',
b'{"id":4,"jsonrpc":"2.0","method":"dev-slowcmd","params":[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
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)
@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()['bech32']
######################################################################
# 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()
# At height 111 we receive an incoming payment
hashes = bitcoind.generate_block(9)
bitcoind.rpc.sendtoaddress(addr, 1)
time.sleep(1) # mempool is still unpredictable
bitcoind.generate_block(1)
l1.daemon.wait_for_log(r'Owning')
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
assert [o for o in l1.rpc.listfunds()['outputs'] if o['status'] != "unconfirmed"] == []
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)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l1.fund_channel(l2, 10**6)
chanid2 = l2.fund_channel(l3, 10**6)
subprocess.run(['kill', '-USR1', l1.subd_pid('channeld')])
subprocess.run(['kill', '-USR1', l2.subd_pid('channeld')])
# Make sure channels get announced.
bitcoind.generate_block(5)
# Make sure we have 30 seconds without any incoming traffic from l3 to l2
# so it tries to ping before sending WIRE_COMMITMENT_SIGNED.
timedout = False
while not timedout:
try:
l2.daemon.wait_for_log(r'channeld-{} chan #[0-9]*:\[IN\] 0101'.format(l3.info['id']), timeout=30)
except TimeoutError:
timedout = True
inv = l3.rpc.invoice(123000, 'test_htlc_send_timeout', 'description')
with pytest.raises(RpcError) as excinfo:
l1.rpc.pay(inv['bolt11'])
err = excinfo.value
# Complaints it couldn't find route.
# FIXME: include in pylightning
PAY_ROUTE_NOT_FOUND = 205
assert err.error['code'] == PAY_ROUTE_NOT_FOUND
status = only_one(l1.rpc.call('paystatus')['pay'])
# Temporary channel failure
assert status['attempts'][0]['failure']['data']['failcode'] == 0x1007
assert status['attempts'][0]['failure']['data']['erring_node'] == l2.info['id']
assert status['attempts'][0]['failure']['data']['erring_channel'] == chanid2
# L2 should send ping, but never receive pong so never send commitment.
l2.daemon.wait_for_log(r'channeld.*:\[OUT\] 0012')
assert not l2.daemon.is_in_log(r'channeld.*:\[IN\] 0013')
assert not l2.daemon.is_in_log(r'channeld.*:\[OUT\] 0084')
# L2 killed the channel with l3 because it was too slow.
l2.daemon.wait_for_log('channeld-{}.*Adding HTLC too slow: killing channel'.format(l3.info['id']))
def test_ipv4_and_ipv6(node_factory):
"""Test we can bind to both IPv4 and IPv6 addresses (if supported)"""
port = reserve()
l1 = node_factory.get_node(options={'addr': ':{}'.format(port)})
bind = l1.rpc.getinfo()['binding']
if len(bind) == 2:
assert bind[0]['type'] == 'ipv6'
assert bind[0]['address'] == '::'
assert int(bind[0]['port']) == port
assert bind[1]['type'] == 'ipv4'
assert bind[1]['address'] == '0.0.0.0'
assert int(bind[1]['port']) == port
else:
# Assume we're IPv4 only...
assert len(bind) == 1
assert bind[0]['type'] == 'ipv4'
assert bind[0]['address'] == '0.0.0.0'
assert int(bind[0]['port']) == port
@unittest.skipIf(not DEVELOPER, "Without DEVELOPER=1 we snap to FEERATE_FLOOR on testnets")
def test_feerates(node_factory):
l1 = node_factory.get_node(options={'log-level': 'io'}, start=False)
l1.daemon.rpcproxy.mock_rpc('estimatesmartfee', {
'error': {"errors": ["Insufficient data or no feerate found"], "blocks": 0}
})
l1.start()
# Query feerates (shouldn't give any!)
wait_for(lambda: len(l1.rpc.feerates('perkw')['perkw']) == 2)
feerates = l1.rpc.feerates('perkw')
assert feerates['warning'] == 'Some fee estimates unavailable: bitcoind startup?'
assert 'perkb' not in feerates
assert feerates['perkw']['max_acceptable'] == 2**32 - 1
assert feerates['perkw']['min_acceptable'] == 253
wait_for(lambda: len(l1.rpc.feerates('perkb')['perkb']) == 2)
feerates = l1.rpc.feerates('perkb')
assert feerates['warning'] == 'Some fee estimates unavailable: bitcoind startup?'
assert 'perkw' not in feerates
assert feerates['perkb']['max_acceptable'] == (2**32 - 1)
assert feerates['perkb']['min_acceptable'] == 253 * 4
# Now try setting them, one at a time.
l1.set_feerates((15000, 0, 0), True)
wait_for(lambda: len(l1.rpc.feerates('perkw')['perkw']) == 3)
feerates = l1.rpc.feerates('perkw')
assert feerates['perkw']['urgent'] == 15000
assert feerates['warning'] == 'Some fee estimates unavailable: bitcoind startup?'
assert 'perkb' not in feerates
assert feerates['perkw']['max_acceptable'] == 15000 * 10
assert feerates['perkw']['min_acceptable'] == 253
l1.set_feerates((15000, 6250, 0), True)
wait_for(lambda: len(l1.rpc.feerates('perkb')['perkb']) == 4)
feerates = l1.rpc.feerates('perkb')
assert feerates['perkb']['urgent'] == 15000 * 4
assert feerates['perkb']['normal'] == 25000
assert feerates['warning'] == 'Some fee estimates unavailable: bitcoind startup?'
assert 'perkw' not in feerates
assert feerates['perkb']['max_acceptable'] == 15000 * 4 * 10
assert feerates['perkb']['min_acceptable'] == 253 * 4
l1.set_feerates((15000, 6250, 5000), True)
wait_for(lambda: len(l1.rpc.feerates('perkw')['perkw']) == 5)
feerates = l1.rpc.feerates('perkw')
assert feerates['perkw']['urgent'] == 15000
assert feerates['perkw']['normal'] == 25000 // 4
assert feerates['perkw']['slow'] == 5000
assert 'warning' not in feerates
assert 'perkb' not in feerates
assert feerates['perkw']['max_acceptable'] == 15000 * 10
assert feerates['perkw']['min_acceptable'] == 5000 // 2
assert len(feerates['onchain_fee_estimates']) == 3
assert feerates['onchain_fee_estimates']['opening_channel_satoshis'] == feerates['perkw']['normal'] * 702 // 1000
assert feerates['onchain_fee_estimates']['mutual_close_satoshis'] == feerates['perkw']['normal'] * 673 // 1000
assert feerates['onchain_fee_estimates']['unilateral_close_satoshis'] == feerates['perkw']['urgent'] * 598 // 1000
def test_logging(node_factory):
# Since we redirect, node.start() will fail: do manually.
l1 = node_factory.get_node(options={'log-file': 'logfile'}, may_fail=True, start=False)
logpath = os.path.join(l1.daemon.lightning_dir, 'logfile')
logpath_moved = os.path.join(l1.daemon.lightning_dir, 'logfile_moved')
l1.daemon.rpcproxy.start()
l1.daemon.opts['bitcoin-rpcport'] = l1.daemon.rpcproxy.rpcport
TailableProc.start(l1.daemon)
wait_for(lambda: os.path.exists(logpath))
shutil.move(logpath, logpath_moved)
l1.daemon.proc.send_signal(signal.SIGHUP)
wait_for(lambda: os.path.exists(logpath_moved))
wait_for(lambda: os.path.exists(logpath))
log1 = open(logpath_moved).readlines()
assert log1[-1].endswith("Ending log due to SIGHUP\n")
def check_new_log():
log2 = open(logpath).readlines()
return len(log2) > 0 and log2[0].endswith("Started log due to SIGHUP\n")
wait_for(check_new_log)
@unittest.skipIf(VALGRIND,
"Valgrind sometimes fails assert on injected SEGV")
def test_crashlog(node_factory):
l1 = node_factory.get_node(may_fail=True)
def has_crash_log(n):
files = os.listdir(n.daemon.lightning_dir)
crashfiles = [f for f in files if 'crash.log' in f]
return len(crashfiles) > 0
assert not has_crash_log(l1)
l1.daemon.proc.send_signal(signal.SIGSEGV)
wait_for(lambda: has_crash_log(l1))
def test_configfile_before_chdir(node_factory):
"""Must read config file before chdir into lightning dir"""
l1 = node_factory.get_node()
l1.stop()
olddir = os.getcwd()
# as lightning_dir ends in /, basename and dirname don't work as expected.
os.chdir(os.path.dirname(l1.daemon.lightning_dir[:-1]))
config = os.path.join(os.path.basename(l1.daemon.lightning_dir[:-1]), "test_configfile")
# Test both an early arg and a normal arg.
with open(config, 'wb') as f:
f.write(b'always-use-proxy=true\n')
f.write(b'proxy=127.0.0.1:100\n')
l1.daemon.opts['conf'] = config
# Update executable to point to right place
l1.daemon.executable = os.path.join(olddir, l1.daemon.executable)
l1.start()
assert l1.rpc.listconfigs()['always-use-proxy']
assert l1.rpc.listconfigs()['proxy'] == '127.0.0.1:100'
os.chdir(olddir)
def test_json_error(node_factory):
"""Must return valid json even if it quotes our weirdness"""
l1 = node_factory.get_node()
with pytest.raises(RpcError, match=r'Given id is not a channel ID or short channel ID'):
l1.rpc.close({"tx": "020000000001011490f737edd2ea2175a032b58ea7cd426dfc244c339cd044792096da3349b18a0100000000ffffffff021c900300000000001600140e64868e2f752314bc82a154c8c5bf32f3691bb74da00b00000000002200205b8cd3b914cf67cdd8fa6273c930353dd36476734fbd962102c2df53b90880cd0247304402202b2e3195a35dc694bbbc58942dc9ba59cc01d71ba55c9b0ad0610ccd6a65633702201a849254453d160205accc00843efb0ad1fe0e186efa6a7cee1fb6a1d36c736a012103d745445c9362665f22e0d96e9e766f273f3260dea39c8a76bfa05dd2684ddccf00000000", "txid": "2128c10f0355354479514f4a23eaa880d94e099406d419bbb0d800143accddbb", "channel_id": "bbddcc3a1400d8b0bb19d40694094ed980a8ea234a4f5179443555030fc12820"})
# Should not corrupt following RPC
l1.rpc.getinfo()
def test_check_command(node_factory):
l1 = node_factory.get_node()
l1.rpc.check(command_to_check='help')
l1.rpc.check(command_to_check='help', command='check')
# Note: this just checks form, not whether it's valid!
l1.rpc.check(command_to_check='help', command='badcommand')
with pytest.raises(RpcError, match=r'Unknown command'):
l1.rpc.check(command_to_check='badcommand')
with pytest.raises(RpcError, match=r'unknown parameter'):
l1.rpc.check(command_to_check='help', badarg='x')
# Ensures we have compulsory parameters.
with pytest.raises(RpcError, match=r'missing required parameter'):
l1.rpc.check(command_to_check='connect')
# Even with optional parameters.
with pytest.raises(RpcError, match=r'missing required parameter'):
l1.rpc.check(command_to_check='connect', host='x', port=77)
# Makes sure parameter types are correct.
with pytest.raises(RpcError, match=r'should be an integer'):
l1.rpc.check(command_to_check='connect', id='test', host='x', port="abcd")
# FIXME: python wrapper doesn't let us test array params.
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.connect(l1.rpc.socket_path)
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["help"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' in obj
assert 'error' not in obj
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["help", "check"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' in obj
assert 'error' not in obj
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["help", "a", "b"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' not in obj
assert 'error' in obj
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["badcommand"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' not in obj
assert 'error' in obj
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["connect"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' not in obj
assert 'error' in obj
sock.sendall(b'{"id":1, "jsonrpc":"2.0","method":"check","params":["connect", "test", "x", "abcd"]}')
obj, _ = l1.rpc._readobj(sock, b'')
assert obj['id'] == 1
assert 'result' not in obj
assert 'error' in obj
sock.close()
@unittest.skipIf(not DEVELOPER, "need log_all_io")
def test_bad_onion(node_factory, bitcoind):
"""Test that we get a reasonable error from sendpay when an onion is bad"""
l1, l2, l3, l4 = node_factory.line_graph(4, wait_for_announce=True,
opts={'log_all_io': True})
h = l4.rpc.invoice(123000, 'test_bad_onion', 'description')['payment_hash']
route = l1.rpc.getroute(l4.info['id'], 123000, 1)['route']
assert len(route) == 3
mangled_nodeid = '0265b6ab5ec860cd257865d61ef0bbf5b3339c36cbda8b26b74e7f1dca490b6518'
# Replace id with a different pubkey, so onion encoded badly at third hop.
route[2]['id'] = mangled_nodeid
l1.rpc.sendpay(route, h)
with pytest.raises(RpcError) as err:
l1.rpc.waitsendpay(h)
# FIXME: #define PAY_TRY_OTHER_ROUTE 204
PAY_TRY_OTHER_ROUTE = 204
assert err.value.error['code'] == PAY_TRY_OTHER_ROUTE
# FIXME: WIRE_INVALID_ONION_HMAC = BADONION|PERM|5
WIRE_INVALID_ONION_HMAC = 0x8000 | 0x4000 | 5
assert err.value.error['data']['failcode'] == WIRE_INVALID_ONION_HMAC
assert err.value.error['data']['erring_node'] == mangled_nodeid
assert err.value.error['data']['erring_channel'] == route[2]['channel']
# We should see a WIRE_UPDATE_FAIL_MALFORMED_HTLC from l4.
line = l4.daemon.is_in_log(r'\[OUT\] 0087')
# 008739d3149a5c37e95f9dae718ce46efc60248e110e10117d384870a6762e8e33030000000000000000d7fc52f6c32773aabca55628fe616058aecc44a384e0abfa85c0c48b449dd38dc005
# type<--------------channelid---------------------------------------><--htlc-id-----><--------------------------------------------- sha_of_onion --->code
sha = re.search(r' 0087.{64}.{16}(.{64})', line).group(1)
# Should see same sha in onionreply
line = l1.daemon.is_in_log(r'failcode .* from onionreply .*')
assert re.search(r'onionreply .*{}'.format(sha), line)
# Replace id with a different pubkey, so onion encoded badly at second hop.
route[1]['id'] = mangled_nodeid
l1.rpc.sendpay(route, h)
with pytest.raises(RpcError) as err:
l1.rpc.waitsendpay(h)
# FIXME: #define PAY_TRY_OTHER_ROUTE 204
PAY_TRY_OTHER_ROUTE = 204
assert err.value.error['code'] == PAY_TRY_OTHER_ROUTE
assert err.value.error['data']['failcode'] == WIRE_INVALID_ONION_HMAC
assert err.value.error['data']['erring_node'] == mangled_nodeid
assert err.value.error['data']['erring_channel'] == route[1]['channel']
def test_newaddr(node_factory):
l1 = node_factory.get_node()
p2sh = l1.rpc.newaddr('p2sh-segwit')
assert 'bech32' not in p2sh
assert p2sh['p2sh-segwit'].startswith('2')
bech32 = l1.rpc.newaddr('bech32')
assert 'p2sh-segwit' not in bech32
assert bech32['bech32'].startswith('bcrt1')
both = l1.rpc.newaddr('all')
assert both['p2sh-segwit'].startswith('2')
assert both['bech32'].startswith('bcrt1')
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