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#!/usr/bin/env python3
# Copyright (c) 2023-present The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
import threading
from test_framework.test_framework import BitcoinTestFramework
from random import randbytes
class NetDeadlockTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
def run_test(self):
node0 = self.nodes[0]
node1 = self.nodes[1]
self.log.info("Simultaneously send a large message on both sides")
rand_msg = randbytes(4000000).hex()
thread0 = threading.Thread(target=node0.sendmsgtopeer, args=(0, "unknown", rand_msg))
thread1 = threading.Thread(target=node1.sendmsgtopeer, args=(0, "unknown", rand_msg))
thread0.start()
thread1.start()
thread0.join()
thread1.join()
self.log.info("Check whether a deadlock happened")
self.generate(node0, 1)
self.sync_blocks()
if __name__ == '__main__':
NetDeadlockTest(__file__).main()
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