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110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
from fixtures import * # noqa: F401,F403
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from pyln.client import Millisatoshi
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from utils import (
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sync_blockheight
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)
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import pytest
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@pytest.mark.developer("dev-ignore-htlcs")
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def test_closing_trimmed_htlcs(node_factory, bitcoind, executor):
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l1, l2 = node_factory.line_graph(2)
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# give l2 an output!?
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l1.pay(l2, 11000000)
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l1.rpc.dev_ignore_htlcs(id=l2.info['id'], ignore=True)
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# This will get stuck due to l3 ignoring htlcs
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executor.submit(l2.pay, l1, 100001)
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l1.daemon.wait_for_log('their htlc 0 dev_ignore_htlcs')
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l1.rpc.dev_fail(l2.info['id'])
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l1.wait_for_channel_onchain(l2.info['id'])
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bitcoind.generate_block(1)
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l1.daemon.wait_for_log(' to ONCHAIN')
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l2.daemon.wait_for_log(' to ONCHAIN')
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bitcoind.generate_block(5)
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sync_blockheight(bitcoind, [l1])
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l1.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET')
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bitcoind.generate_block(20)
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sync_blockheight(bitcoind, [l1])
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l1.daemon.wait_for_log(r'All outputs resolved.*')
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def _find_tags(evs, tag):
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return [e for e in evs if e['tag'] == tag]
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def _find_first_tag(evs, tag):
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ev = _find_tags(evs, tag)
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assert len(ev) > 0
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return ev[0]
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evs = l1.rpc.listaccountevents()['events']
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close = _find_first_tag(evs, 'channel_close')
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delayed_to = _find_first_tag(evs, 'delayed_to_us')
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# find the chain fee entry for the channel close
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fees = _find_tags(evs, 'onchain_fee')
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close_fee = [e for e in fees if e['txid'] == close['txid']]
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assert len(close_fee) == 1
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assert Millisatoshi(close_fee[0]['credit']) + Millisatoshi(delayed_to['credit']) == Millisatoshi(close['debit'])
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# l2's fees should equal the trimmed htlc out
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evs = l2.rpc.listaccountevents()['events']
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close = _find_first_tag(evs, 'channel_close')
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deposit = _find_first_tag(evs, 'deposit')
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fees = _find_tags(evs, 'onchain_fee')
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close_fee = [e for e in fees if e['txid'] == close['txid']]
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assert len(close_fee) == 1
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# sent htlc was too small, we lose it, rounded up to nearest sat
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assert close_fee[0]['credit'] == '101000msat'
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assert Millisatoshi(close_fee[0]['credit']) + Millisatoshi(deposit['credit']) == Millisatoshi(close['debit'])
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def test_closing_subsat_htlcs(node_factory, bitcoind, chainparams):
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"""Test closing balances when HTLCs are: sub 1-satoshi"""
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l1, l2 = node_factory.line_graph(2)
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l1.pay(l2, 111)
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l1.pay(l2, 222)
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l1.pay(l2, 4000000)
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l2.stop()
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l1.rpc.close(l2.info['id'], 1)
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bitcoind.generate_block(5, wait_for_mempool=1)
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l2.start()
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sync_blockheight(bitcoind, [l1])
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l1.daemon.wait_for_log('Broadcasting OUR_DELAYED_RETURN_TO_WALLET')
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bitcoind.generate_block(80)
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def _find_tags(evs, tag):
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return [e for e in evs if e['tag'] == tag]
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def _find_first_tag(evs, tag):
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ev = _find_tags(evs, tag)
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assert len(ev) > 0
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return ev[0]
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sync_blockheight(bitcoind, [l1, l2])
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evs = l1.rpc.listaccountevents()['events']
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# check that closing equals onchain deposits + fees
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close = _find_first_tag(evs, 'channel_close')
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delayed_to = _find_first_tag(evs, 'delayed_to_us')
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fees = _find_tags(evs, 'onchain_fee')
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close_fee = [e for e in fees if e['txid'] == close['txid']]
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assert len(close_fee) == 1
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assert Millisatoshi(close_fee[0]['credit']) + Millisatoshi(delayed_to['credit']) == Millisatoshi(close['debit'])
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evs = l2.rpc.listaccountevents()['events']
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close = _find_first_tag(evs, 'channel_close')
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deposit = _find_first_tag(evs, 'deposit')
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fees = _find_tags(evs, 'onchain_fee')
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close_fee = [e for e in fees if e['txid'] == close['txid']]
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assert len(close_fee) == 1
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# too small to fit, we lose them as miner fees
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assert close_fee[0]['credit'] == '333msat'
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assert Millisatoshi(close_fee[0]['credit']) + Millisatoshi(deposit['credit']) == Millisatoshi(close['debit'])
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