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coin moves: test all of the onchaind variants 

Mostly we update existing tests to account for channel balances. In a
few places, new tests were needed as there wasn't an existing pathway
that tested the chain-fees for a few penalty cases
This commit is contained in:
lisa neigut 2020-04-01 22:07:13 -05:00 committed by Rusty Russell
parent 41d3471c7f
commit 8c986d67db
1 changed files with 535 additions and 18 deletions
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553
tests/test_closing.py
View File

@ -1,9 +1,10 @@
from fixtures import * # noqa: F401,F403
from flaky import flaky
from pyln.client import RpcError
from shutil import copyfile
from utils import (
only_one, sync_blockheight, wait_for, DEVELOPER, TIMEOUT, VALGRIND,
SLOW_MACHINE
SLOW_MACHINE, account_balance, first_channel_id
)
import os
@ -502,15 +503,21 @@ def test_closing_negotiation_step_700sat(node_factory, bitcoind, chainparams):
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_penalty_inhtlc(node_factory, bitcoind, executor, chainparams):
"""Test penalty transaction with an incoming HTLC"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# We suppress each one after first commit; HTLC gets added not fulfilled.
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED-nocommit'],
may_fail=True, feerates=(7500, 7500, 7500, 7500),
allow_broken_log=True)
l2 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED-nocommit'])
allow_broken_log=True,
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED-nocommit'],
options={'plugin': coin_mvt_plugin})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
channel_id = first_channel_id(l1, l2)
# Now, this will get stuck due to l1 commit being disabled..
t = executor.submit(l1.pay, l2, 100000000)
@ -555,7 +562,7 @@ def test_penalty_inhtlc(node_factory, bitcoind, executor, chainparams):
# Could happen in any order, depending on commitment tx.
needle = l2.daemon.logsearch_start
l2.wait_for_onchaind_broadcast('OUR_PENALTY_TX',
'THEIR_REVOKED_UNILATERAL/DELAYED_OUTPUT_TO_THEM')
'THEIR_REVOKED_UNILATERAL/DELAYED_CHEAT_OUTPUT_TO_THEM')
l2.daemon.logsearch_start = needle
l2.wait_for_onchaind_broadcast('OUR_PENALTY_TX',
'THEIR_REVOKED_UNILATERAL/THEIR_HTLC')
@ -587,20 +594,28 @@ def test_penalty_inhtlc(node_factory, bitcoind, executor, chainparams):
assert [o['status'] for o in outputs] == ['confirmed'] * 2
assert set([o['txid'] for o in outputs]) == txids
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_penalty_outhtlc(node_factory, bitcoind, executor, chainparams):
"""Test penalty transaction with an outgoing HTLC"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# First we need to get funds to l2, so suppress after second.
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED*3-nocommit'],
may_fail=True, feerates=(7500, 7500, 7500, 7500),
allow_broken_log=True)
l2 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED*3-nocommit'])
may_fail=True,
feerates=(7500, 7500, 7500, 7500),
allow_broken_log=True,
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(disconnect=['=WIRE_COMMITMENT_SIGNED*3-nocommit'],
options={'plugin': coin_mvt_plugin})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
channel_id = first_channel_id(l1, l2)
# Move some across to l2.
l1.pay(l2, 200000000)
@ -648,7 +663,7 @@ def test_penalty_outhtlc(node_factory, bitcoind, executor, chainparams):
# Could happen in any order, depending on commitment tx.
needle = l2.daemon.logsearch_start
l2.wait_for_onchaind_broadcast('OUR_PENALTY_TX',
'THEIR_REVOKED_UNILATERAL/DELAYED_OUTPUT_TO_THEM')
'THEIR_REVOKED_UNILATERAL/DELAYED_CHEAT_OUTPUT_TO_THEM')
l2.daemon.logsearch_start = needle
l2.wait_for_onchaind_broadcast('OUR_PENALTY_TX',
'THEIR_REVOKED_UNILATERAL/OUR_HTLC')
@ -682,17 +697,331 @@ def test_penalty_outhtlc(node_factory, bitcoind, executor, chainparams):
assert [o['status'] for o in outputs] == ['confirmed'] * 3
assert set([o['txid'] for o in outputs]) == txids
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
@unittest.skipIf(os.getenv('TEST_DB_PROVIDER', 'sqlite3') != 'sqlite3', "Makes use of the sqlite3 db")
def test_penalty_htlc_tx_fulfill(node_factory, bitcoind):
""" Test that the penalizing node claims any published
HTLC transactions
Node topology:
l1 <-> l2 <-> l3 <-> l4
l4 pushes money to l1, who doesn't fulfill (freezing htlc across l2-l3)
we snapshot l2
l2 pushes money to l3 (updating state)
l2 + l3 go offline; l2 is backed up from snapshot
l1 fails the channel with l2, fulfilling the stranded htlc onchain
l2 comes back online, force closes channel with l3
block chain advances, l2 broadcasts their htlc fulfill tx
l3 comes back online, sees l2's cheat. takes funds from htlc fulfill tx.
some blocks are mined. the dust settles.
we check the accounting.
"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
l1 = node_factory.get_node(disconnect=['=WIRE_UPDATE_FULFILL_HTLC',
'-WIRE_UPDATE_FULFILL_HTLC'],
may_reconnect=True,
options={'dev-no-reconnect': None})
l2 = node_factory.get_node(options={'plugin': coin_mvt_plugin,
'dev-no-reconnect': None},
may_reconnect=True,
allow_broken_log=True)
l3 = node_factory.get_node(options={'plugin': coin_mvt_plugin,
'dev-no-reconnect': None},
may_reconnect=True,
allow_broken_log=True)
l4 = node_factory.get_node(may_reconnect=True, options={'dev-no-reconnect': None})
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
c12 = l2.fund_channel(l1, 10**6)
l2.fund_channel(l3, 10**6)
c34 = l3.fund_channel(l4, 10**6)
channel_id = first_channel_id(l2, l3)
bitcoind.generate_block(5)
l1.wait_channel_active(c34)
l4.wait_channel_active(c12)
# push some money so that 1 + 4 can both send htlcs
inv = l1.rpc.invoice(10**9 // 2, '1', 'balancer')
l2.rpc.pay(inv['bolt11'])
l2.rpc.waitsendpay(inv['payment_hash'])
inv = l4.rpc.invoice(10**9 // 2, '1', 'balancer')
l2.rpc.pay(inv['bolt11'])
l2.rpc.waitsendpay(inv['payment_hash'])
# now we send one 'sticky' htlc: l4->l1
amt = 10**8 // 2
sticky_inv = l1.rpc.invoice(amt, '2', 'sticky')
route = l4.rpc.getroute(l1.info['id'], amt, 1)['route']
l4.rpc.sendpay(route, sticky_inv['payment_hash'])
l1.daemon.wait_for_log('dev_disconnect: -WIRE_UPDATE_FULFILL_HTLC')
wait_for(lambda: len(l2.rpc.listpeers(l3.info['id'])['peers'][0]['channels'][0]['htlcs']) == 1)
# make database snapshot of l2
l2.stop()
l2_db_path = os.path.join(l2.daemon.lightning_dir, 'regtest', 'lightningd.sqlite3')
l2_db_path_bak = os.path.join(l2.daemon.lightning_dir, 'regtest', 'lightningd.sqlite3.bak')
copyfile(l2_db_path, l2_db_path_bak)
l2.start()
# push some money from l3->l2, so that the commit counter advances
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.daemon.wait_for_log('now ACTIVE')
inv = l3.rpc.invoice(10**4, '1', 'push')
l2.rpc.pay(inv['bolt11'])
# stop both nodes, roll back l2's database
l2.stop()
l3.stop()
copyfile(l2_db_path_bak, l2_db_path)
# start l2 and force close channel with l3 while l3 is still offline
l2.start()
l2.rpc.close(l3.info['id'], 1)
l2.daemon.wait_for_log('sendrawtx exit 0')
# reconnect with l1, which will fulfill the payment
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.daemon.wait_for_log('got commitsig .*: feerate 15000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('coins payment_hash: {}'.format(sticky_inv['payment_hash']))
# l2 moves on for closed l3
bitcoind.generate_block(1)
l2.daemon.wait_for_log('to ONCHAIN')
l2.daemon.wait_for_logs(['Propose handling OUR_UNILATERAL/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks',
'Propose handling OUR_UNILATERAL/THEIR_HTLC by OUR_HTLC_SUCCESS_TX .* after 0 blocks'])
l2.wait_for_onchaind_broadcast('OUR_HTLC_SUCCESS_TX',
'OUR_UNILATERAL/THEIR_HTLC')
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')
# l3 comes back up, sees cheat, penalizes l2 (revokes the htlc they've offered;
# notes that they've successfully claimed to_local and the fulfilled htlc)
l3.start()
sync_blockheight(bitcoind, [l3])
l3.daemon.wait_for_logs(['Propose handling THEIR_REVOKED_UNILATERAL/OUR_HTLC by OUR_PENALTY_TX',
'Propose handling THEIR_REVOKED_UNILATERAL/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by OUR_PENALTY_TX',
'Resolved THEIR_REVOKED_UNILATERAL/OUR_HTLC by OUR_HTLC_FULFILL_TO_THEM',
'Propose handling OUR_HTLC_FULFILL_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM'
' by OUR_PENALTY_TX'])
l3.wait_for_onchaind_broadcast('OUR_PENALTY_TX',
'OUR_HTLC_FULFILL_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM')
bitcoind.generate_block(1)
l3.daemon.wait_for_log('Resolved OUR_HTLC_FULFILL_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by our proposal OUR_PENALTY_TX')
l2.daemon.wait_for_log('Unknown spend of OUR_HTLC_SUCCESS_TX/DELAYED_OUTPUT_TO_US')
# 100 blocks later, l3+l2 are both done
bitcoind.generate_block(100)
l3.daemon.wait_for_log('{}.*: onchaind complete, forgetting peer'.format(l2.info['id']))
l2.daemon.wait_for_log('{}.*: onchaind complete, forgetting peer'.format(l3.info['id']))
assert account_balance(l3, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
@unittest.skipIf(os.getenv('TEST_DB_PROVIDER', 'sqlite3') != 'sqlite3', "Makes use of the sqlite3 db")
def test_penalty_htlc_tx_timeout(node_factory, bitcoind):
""" Test that the penalizing node claims any published
HTLC transactions
Node topology:
l1 <-> l2 <-> l3 <-> l4
^---> l5
l1 pushes money to l5, who doesn't fulfill (freezing htlc across l2-l3)
l4 pushes money to l1, who doesn't fulfill (freezing htlc across l2-l3)
we snapshot l2
l2 pushes money to l3 (updating state)
l2 + l3 go offline; l2 is backed up from snapshot
l1 fails the channel with l2, fulfilling the stranded htlc onchain
l2 comes back online, force closes channel with l3
block chain advances, l2 broadcasts the timeout htlc_tx + fulfill htlc_tx
both of which have a delay. l2 goes ahead and 'steals back' their
output + the htlc they fulfill
l3 comes back online, sees l2's cheat. takes funds from htlc timeout tx
some blocks are mined. the dust settles.
we check the accounting.
"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
l1 = node_factory.get_node(disconnect=['=WIRE_UPDATE_FULFILL_HTLC',
'-WIRE_UPDATE_FULFILL_HTLC'],
may_reconnect=True,
options={'dev-no-reconnect': None})
l2 = node_factory.get_node(options={'plugin': coin_mvt_plugin,
'dev-no-reconnect': None},
may_reconnect=True,
allow_broken_log=True)
l3 = node_factory.get_node(options={'plugin': coin_mvt_plugin,
'dev-no-reconnect': None},
may_reconnect=True,
allow_broken_log=True)
l4 = node_factory.get_node(may_reconnect=True, options={'dev-no-reconnect': None})
l5 = node_factory.get_node(disconnect=['-WIRE_UPDATE_FULFILL_HTLC'],
may_reconnect=True,
options={'dev-no-reconnect': None})
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l3.rpc.connect(l4.info['id'], 'localhost', l4.port)
l3.rpc.connect(l5.info['id'], 'localhost', l5.port)
c12 = l2.fund_channel(l1, 10**6)
l2.fund_channel(l3, 10**6)
c34 = l3.fund_channel(l4, 10**6)
c35 = l3.fund_channel(l5, 10**6)
channel_id = first_channel_id(l2, l3)
bitcoind.generate_block(5)
l1.wait_channel_active(c34)
l1.wait_channel_active(c35)
l4.wait_channel_active(c12)
l5.wait_channel_active(c12)
# push some money so that 1 + 4 can both send htlcs
inv = l1.rpc.invoice(10**9 // 2, '1', 'balancer')
l2.rpc.pay(inv['bolt11'])
l2.rpc.waitsendpay(inv['payment_hash'])
inv = l4.rpc.invoice(10**9 // 2, '1', 'balancer')
l2.rpc.pay(inv['bolt11'])
l2.rpc.waitsendpay(inv['payment_hash'])
# now we send two 'sticky' htlcs, l1->l5 + l4->l1
amt = 10**8 // 2
sticky_inv_1 = l5.rpc.invoice(amt, '2', 'sticky')
route = l1.rpc.getroute(l5.info['id'], amt, 1)['route']
l1.rpc.sendpay(route, sticky_inv_1['payment_hash'])
l5.daemon.wait_for_log('dev_disconnect: -WIRE_UPDATE_FULFILL_HTLC')
sticky_inv_2 = l1.rpc.invoice(amt, '2', 'sticky')
route = l4.rpc.getroute(l1.info['id'], amt, 1)['route']
l4.rpc.sendpay(route, sticky_inv_2['payment_hash'])
l1.daemon.wait_for_log('dev_disconnect: -WIRE_UPDATE_FULFILL_HTLC')
wait_for(lambda: len(l2.rpc.listpeers(l3.info['id'])['peers'][0]['channels'][0]['htlcs']) == 2)
# make database snapshot of l2
l2.stop()
l2_db_path = os.path.join(l2.daemon.lightning_dir, 'regtest', 'lightningd.sqlite3')
l2_db_path_bak = os.path.join(l2.daemon.lightning_dir, 'regtest', 'lightningd.sqlite3.bak')
copyfile(l2_db_path, l2_db_path_bak)
l2.start()
# push some money from l3->l2, so that the commit counter advances
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.daemon.wait_for_log('now ACTIVE')
inv = l3.rpc.invoice(10**4, '1', 'push')
l2.rpc.pay(inv['bolt11'])
# stop both nodes, roll back l2's database
l2.stop()
l3.stop()
copyfile(l2_db_path_bak, l2_db_path)
# start l2, now back a bit. force close channel with l3 while l3 is still offline
l2.start()
l2.rpc.close(l3.info['id'], 1)
l2.daemon.wait_for_log('sendrawtx exit 0')
# reconnect with l1, which will fulfill the payment
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.daemon.wait_for_log('got commitsig .*: feerate 15000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('coins payment_hash: {}'.format(sticky_inv_2['payment_hash']))
# l2 moves on for closed l3
bitcoind.generate_block(1)
l2.daemon.wait_for_log('to ONCHAIN')
l2.daemon.wait_for_logs(['Propose handling OUR_UNILATERAL/OUR_HTLC by OUR_HTLC_TIMEOUT_TX .* after 16 blocks',
'Propose handling OUR_UNILATERAL/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks',
'Propose handling OUR_UNILATERAL/THEIR_HTLC by OUR_HTLC_SUCCESS_TX .* after 0 blocks'])
l2.wait_for_onchaind_broadcast('OUR_HTLC_SUCCESS_TX',
'OUR_UNILATERAL/THEIR_HTLC')
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')
# after 5 blocks, l2 reclaims both their DELAYED_OUTPUT_TO_US and their delayed output
bitcoind.generate_block(5)
sync_blockheight(bitcoind, [l2])
l2.daemon.wait_for_logs(['Broadcasting OUR_DELAYED_RETURN_TO_WALLET .* to resolve OUR_HTLC_SUCCESS_TX/DELAYED_OUTPUT_TO_US',
'Broadcasting OUR_DELAYED_RETURN_TO_WALLET .* to resolve OUR_UNILATERAL/DELAYED_OUTPUT_TO_US'])
bitcoind.generate_block(10)
l2.wait_for_onchaind_broadcast('OUR_HTLC_TIMEOUT_TX',
'OUR_UNILATERAL/OUR_HTLC')
bitcoind.generate_block(1)
l2.daemon.wait_for_log('Propose handling OUR_HTLC_TIMEOUT_TX/DELAYED_OUTPUT_TO_US by OUR_DELAYED_RETURN_TO_WALLET .* after 5 blocks')
# l3 comes back up, sees cheat, penalizes l2 (revokes the htlc they've offered;
# notes that they've successfully claimed to_local and the fulfilled htlc)
l3.start()
sync_blockheight(bitcoind, [l3])
l3.daemon.wait_for_logs(['Propose handling THEIR_REVOKED_UNILATERAL/OUR_HTLC by OUR_PENALTY_TX',
'Propose handling THEIR_REVOKED_UNILATERAL/THEIR_HTLC by OUR_PENALTY_TX',
'Propose handling THEIR_REVOKED_UNILATERAL/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by OUR_PENALTY_TX',
'Resolved THEIR_REVOKED_UNILATERAL/OUR_HTLC by OUR_HTLC_FULFILL_TO_THEM',
'Propose handling OUR_HTLC_FULFILL_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM'
' by OUR_PENALTY_TX',
'Resolved OUR_HTLC_FULFILL_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by THEIR_DELAYED_CHEAT',
'Resolved THEIR_REVOKED_UNILATERAL/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by THEIR_DELAYED_CHEAT',
'Resolved THEIR_REVOKED_UNILATERAL/THEIR_HTLC by THEIR_HTLC_TIMEOUT_TO_THEM',
'Propose handling THEIR_HTLC_TIMEOUT_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM by OUR_PENALTY_TX'])
bitcoind.generate_block(1)
l3.daemon.wait_for_log('Resolved THEIR_HTLC_TIMEOUT_TO_THEM/DELAYED_CHEAT_OUTPUT_TO_THEM '
'by our proposal OUR_PENALTY_TX')
l2.daemon.wait_for_log('Unknown spend of OUR_HTLC_TIMEOUT_TX/DELAYED_OUTPUT_TO_US')
# 100 blocks later, l3+l2 are both done
bitcoind.generate_block(100)
l3.daemon.wait_for_log('{}.*: onchaind complete, forgetting peer'.format(l2.info['id']))
l2.daemon.wait_for_log('{}.*: onchaind complete, forgetting peer'.format(l3.info['id']))
assert account_balance(l3, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_first_commit(node_factory, bitcoind):
"""Onchain handling where opener immediately drops to chain"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# HTLC 1->2, 1 fails just after funding.
disconnects = ['+WIRE_FUNDING_LOCKED', 'permfail']
l1 = node_factory.get_node(disconnect=disconnects)
l1 = node_factory.get_node(disconnect=disconnects, options={'plugin': coin_mvt_plugin})
# Make locktime different, as we once had them reversed!
l2 = node_factory.get_node(options={'watchtime-blocks': 10})
l2 = node_factory.get_node(options={'watchtime-blocks': 10, 'plugin': coin_mvt_plugin})
l1.fundwallet(10**7)
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
@ -828,15 +1157,20 @@ def test_onchaind_replay(node_factory, bitcoind):
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_dust_out(node_factory, bitcoind, executor):
"""Onchain handling of outgoing dust htlcs (they should fail)"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# HTLC 1->2, 1 fails after it's irrevocably committed
disconnects = ['@WIRE_REVOKE_AND_ACK', 'permfail']
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=disconnects,
feerates=(7500, 7500, 7500, 7500))
l2 = node_factory.get_node()
feerates=(7500, 7500, 7500, 7500),
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(options={'plugin': coin_mvt_plugin})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
channel_id = first_channel_id(l1, l2)
# Must be dust!
rhash = l2.rpc.invoice(1, 'onchain_dust_out', 'desc')['payment_hash']
@ -888,19 +1222,28 @@ def test_onchain_dust_out(node_factory, bitcoind, executor):
# Payment failed, BTW
assert only_one(l2.rpc.listinvoices('onchain_dust_out')['invoices'])['status'] == 'unpaid'
# l1 repeats the onchaind outputs, so we get duplicated emissions. FIXME??
assert account_balance(l1, channel_id) == -1000000000
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_timeout(node_factory, bitcoind, executor):
"""Onchain handling of outgoing failed htlcs"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# HTLC 1->2, 1 fails just after it's irrevocably committed
disconnects = ['+WIRE_REVOKE_AND_ACK*3', 'permfail']
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(disconnect=disconnects,
feerates=(7500, 7500, 7500, 7500))
l2 = node_factory.get_node()
feerates=(7500, 7500, 7500, 7500),
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(options={'plugin': coin_mvt_plugin})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
channel_id = first_channel_id(l1, l2)
rhash = l2.rpc.invoice(10**8, 'onchain_timeout', 'desc')['payment_hash']
# We underpay, so it fails.
@ -967,14 +1310,19 @@ def test_onchain_timeout(node_factory, bitcoind, executor):
# Payment failed, BTW
assert only_one(l2.rpc.listinvoices('onchain_timeout')['invoices'])['status'] == 'unpaid'
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_middleman(node_factory, bitcoind):
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# HTLC 1->2->3, 1->2 goes down after 2 gets preimage from 3.
disconnects = ['-WIRE_UPDATE_FULFILL_HTLC', 'permfail']
l1 = node_factory.get_node()
l2 = node_factory.get_node(disconnect=disconnects)
l1 = node_factory.get_node(options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(disconnect=disconnects, options={'plugin': coin_mvt_plugin})
l3 = node_factory.get_node()
# l2 connects to both, so l1 can't reconnect and thus l2 drops to chain
@ -982,6 +1330,7 @@ def test_onchain_middleman(node_factory, bitcoind):
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.fund_channel(l1, 10**6)
c23 = l2.fund_channel(l3, 10**6)
channel_id = first_channel_id(l1, l2)
# Make sure routes finalized.
bitcoind.generate_block(5)
@ -1045,6 +1394,166 @@ def test_onchain_middleman(node_factory, bitcoind):
l1.bitcoin.generate_block(100)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
# Verify accounting for l1 & l2
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_middleman_their_unilateral_in(node_factory, bitcoind):
""" This is the same as test_onchain_middleman, except that
node l1 drops to chain, not l2, reversing the unilateral
handling logic """
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
l1_disconnects = ['=WIRE_UPDATE_FULFILL_HTLC', 'permfail']
l2_disconnects = ['-WIRE_UPDATE_FULFILL_HTLC']
l1 = node_factory.get_node(disconnect=l1_disconnects,
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(disconnect=l2_disconnects,
options={'plugin': coin_mvt_plugin})
l3 = node_factory.get_node()
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.rpc.connect(l3.info['id'], 'localhost', l3.port)
l2.fund_channel(l1, 10**6)
c23 = l2.fund_channel(l3, 10**6)
channel_id = first_channel_id(l1, l2)
# Make sure routes finalized.
bitcoind.generate_block(5)
l1.wait_channel_active(c23)
# Give l1 some money to play with.
l2.pay(l1, 2 * 10**8)
# Must be bigger than dust!
rhash = l3.rpc.invoice(10**8, 'middleman', 'desc')['payment_hash']
route = l1.rpc.getroute(l3.info['id'], 10**8, 1)["route"]
assert len(route) == 2
q = queue.Queue()
def try_pay():
try:
l1.rpc.sendpay(route, rhash)
l1.rpc.waitsendpay(rhash)
q.put(None)
except Exception as err:
q.put(err)
t = threading.Thread(target=try_pay)
t.daemon = True
t.start()
# l1 will drop to chain.
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l2.daemon.wait_for_log(' to ONCHAIN')
l1.daemon.wait_for_log(' to ONCHAIN')
l2.daemon.wait_for_log('THEIR_UNILATERAL/THEIR_HTLC')
# l2 should fulfill HTLC onchain, immediately
l2.wait_for_onchaind_broadcast('THEIR_HTLC_FULFILL_TO_US',
'THEIR_UNILATERAL/THEIR_HTLC')
# Payment should succeed.
l1.bitcoin.generate_block(1)
l1.daemon.wait_for_log('OUR_UNILATERAL/OUR_HTLC gave us preimage')
err = q.get(timeout=10)
if err:
print("Got err from sendpay thread")
raise err
t.join(timeout=1)
assert not t.is_alive()
l1.bitcoin.generate_block(6)
l1.wait_for_onchaind_broadcast('OUR_DELAYED_RETURN_TO_WALLET',
'OUR_UNILATERAL/DELAYED_OUTPUT_TO_US')
# 100 blocks after last spend, l1 should be done.
l1.bitcoin.generate_block(100)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
# Verify accounting for l1 & l2
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_their_unilateral_out(node_factory, bitcoind):
""" Very similar to the test_onchain_middleman, except there's no
middleman, we simply want to check that our offered htlc
on their unilateral returns to us (and is accounted
for correctly) """
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
disconnects = ['-WIRE_UPDATE_FAIL_HTLC', 'permfail']
l1 = node_factory.get_node(disconnect=disconnects,
options={'plugin': coin_mvt_plugin})
l2 = node_factory.get_node(options={'plugin': coin_mvt_plugin})
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
c12 = l2.fund_channel(l1, 10**6)
channel_id = first_channel_id(l1, l2)
bitcoind.generate_block(5)
l1.wait_channel_active(c12)
route = l2.rpc.getroute(l1.info['id'], 10**8, 1)["route"]
assert len(route) == 1
q = queue.Queue()
def try_pay():
try:
# rhash is fake
rhash = 'B1' * 32
l2.rpc.sendpay(route, rhash)
q.put(None)
except Exception as err:
q.put(err)
t = threading.Thread(target=try_pay)
t.daemon = True
t.start()
# l1 will drop to chain.
l1.daemon.wait_for_log('sendrawtx exit 0')
l1.bitcoin.generate_block(1)
l2.daemon.wait_for_log(' to ONCHAIN')
l1.daemon.wait_for_log(' to ONCHAIN')
l2.daemon.wait_for_log('THEIR_UNILATERAL/OUR_HTLC')
# l2 should wait til to_self_delay (6), then fulfill onchain
l1.bitcoin.generate_block(5)
l2.wait_for_onchaind_broadcast('OUR_HTLC_TIMEOUT_TO_US',
'THEIR_UNILATERAL/OUR_HTLC')
err = q.get(timeout=10)
if err:
print("Got err from sendpay thread")
raise err
t.join(timeout=1)
assert not t.is_alive()
# 100 blocks after last spend, l1+l2 should be done.
l1.bitcoin.generate_block(100)
l2.daemon.wait_for_log('onchaind complete, forgetting peer')
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
# Verify accounting for l1 & l2
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1")
def test_onchain_feechange(node_factory, bitcoind, executor):
@ -1126,17 +1635,22 @@ def test_onchain_feechange(node_factory, bitcoind, executor):
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for dev-set-fees")
def test_onchain_all_dust(node_factory, bitcoind, executor):
"""Onchain handling when we reduce output to all dust"""
# We track channel balances, to verify that accounting is ok.
coin_mvt_plugin = os.path.join(os.getcwd(), 'tests/plugins/coin_movements.py')
# HTLC 1->2, 2 fails just after they're both irrevocably committed
# We need 2 to drop to chain, because then 1's HTLC timeout tx
# is generated on-the-fly, and is thus feerate sensitive.
disconnects = ['-WIRE_UPDATE_FAIL_HTLC', 'permfail']
# Feerates identical so we don't get gratuitous commit to update them
l1 = node_factory.get_node(options={'dev-no-reconnect': None},
l1 = node_factory.get_node(options={'dev-no-reconnect': None,
'plugin': coin_mvt_plugin},
feerates=(7500, 7500, 7500, 7500))
l2 = node_factory.get_node(disconnect=disconnects)
l2 = node_factory.get_node(disconnect=disconnects, options={'plugin': coin_mvt_plugin})
l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
l1.fund_channel(l2, 10**6)
channel_id = first_channel_id(l1, l2)
rhash = l2.rpc.invoice(10**8, 'onchain_timeout', 'desc')['payment_hash']
# We underpay, so it fails.
@ -1180,6 +1694,9 @@ def test_onchain_all_dust(node_factory, bitcoind, executor):
# l1 does not wait for ignored payment.
l1.daemon.wait_for_log('onchaind complete, forgetting peer')
assert account_balance(l1, channel_id) == 0
assert account_balance(l2, channel_id) == 0
@unittest.skipIf(not DEVELOPER, "needs DEVELOPER=1 for dev_fail")
def test_onchain_different_fees(node_factory, bitcoind, executor):