bitcoin/test/functional/p2p_timeouts.py

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#!/usr/bin/env python3
# Copyright (c) 2016-2017 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test various net timeouts.
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- Create three bitcoind nodes:
no_verack_node - we never send a verack in response to their version
no_version_node - we never send a version (only a ping)
no_send_node - we never send any P2P message.
- Start all three nodes
- Wait 1 second
- Assert that we're connected
- Send a ping to no_verack_node and no_version_node
- Wait 30 seconds
- Assert that we're still connected
- Send a ping to no_verack_node and no_version_node
- Wait 31 seconds
- Assert that we're no longer connected (timeout to receive version/verack is 60 seconds)
"""
from time import sleep
from test_framework.mininode import *
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
class TestP2PConn(P2PInterface):
def on_version(self, message):
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# Don't send a verack in response
pass
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class TimeoutsTest(BitcoinTestFramework):
def set_test_params(self):
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self.setup_clean_chain = True
self.num_nodes = 1
def run_test(self):
# Setup the p2p connections and start up the network thread.
no_verack_node = self.nodes[0].add_p2p_connection(TestP2PConn())
no_version_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False)
no_send_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False)
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network_thread_start()
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sleep(1)
assert no_verack_node.connected
assert no_version_node.connected
assert no_send_node.connected
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no_verack_node.send_message(msg_ping())
no_version_node.send_message(msg_ping())
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sleep(30)
assert "version" in no_verack_node.last_message
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assert no_verack_node.connected
assert no_version_node.connected
assert no_send_node.connected
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no_verack_node.send_message(msg_ping())
no_version_node.send_message(msg_ping())
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sleep(31)
assert not no_verack_node.connected
assert not no_version_node.connected
assert not no_send_node.connected
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if __name__ == '__main__':
TimeoutsTest().main()