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from fixtures import * # noqa: F401,F403
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import os
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import signal
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import unittest
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with open('config.vars') as configfile:
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config = dict([(line.rstrip().split('=', 1)) for line in configfile])
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DEVELOPER = os.getenv("DEVELOPER", config['DEVELOPER']) == "1"
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@unittest.skipIf(not DEVELOPER, "needs --dev-disconnect")
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def test_stop_pending_fundchannel(node_factory, executor):
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"""Stop the daemon while waiting for an accept_channel
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This used to crash the node, since we were calling unreserve_utxo while
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freeing the daemon, but that needs a DB transaction to be open.
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"""
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l1 = node_factory.get_node()
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l2 = node_factory.get_node()
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l1.rpc.connect(l2.info['id'], 'localhost', l2.port)
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# We want l2 to stop replying altogether, not disconnect
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os.kill(l2.daemon.proc.pid, signal.SIGSTOP)
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# The fundchannel call will not terminate so run it in a future
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executor.submit(l1.fund_channel, l2, 10**6)
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l1.daemon.wait_for_log('peer_out WIRE_OPEN_CHANNEL')
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l1.rpc.stop()
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# Now allow l2 a clean shutdown
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os.kill(l2.daemon.proc.pid, signal.SIGCONT)
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l2.rpc.stop()
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