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105 lines
4.0 KiB
Python
Executable File
105 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2016-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test various net timeouts.
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- Create three peers:
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no_verack_node - we never send a verack in response to their version
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no_version_node - we never send a version (only a ping)
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no_send_node - we never send any P2P message.
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- Wait 1 second
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- Assert that we're connected
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- Send a ping to no_verack_node and no_version_node
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- Wait 1 second
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- Assert that we're still connected
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- Send a ping to no_verack_node and no_version_node
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- Wait 2 seconds
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- Assert that we're no longer connected (timeout to receive version/verack is 3 seconds)
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"""
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from test_framework.messages import msg_ping
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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import time
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class TestP2PConn(P2PInterface):
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def on_version(self, message):
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# Don't send a verack in response
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pass
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class TimeoutsTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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# set timeout to receive version/verack to 3 seconds
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self.extra_args = [["-peertimeout=3"]]
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def mock_forward(self, delta):
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self.mock_time += delta
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self.nodes[0].setmocktime(self.mock_time)
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def run_test(self):
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self.mock_time = int(time.time())
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self.mock_forward(0)
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# Setup the p2p connections, making sure the connections are established before the mocktime is bumped
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with self.nodes[0].assert_debug_log(['Added connection peer=0']):
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no_verack_node = self.nodes[0].add_p2p_connection(TestP2PConn(), wait_for_verack=False)
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with self.nodes[0].assert_debug_log(['Added connection peer=1']):
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no_version_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False)
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with self.nodes[0].assert_debug_log(['Added connection peer=2']):
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no_send_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False)
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# Wait until we got the verack in response to the version. Though, don't wait for the other node to receive the
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# verack, since we never sent one
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no_verack_node.wait_for_verack()
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self.mock_forward(1)
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assert no_verack_node.is_connected
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assert no_version_node.is_connected
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assert no_send_node.is_connected
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with self.nodes[0].assert_debug_log(['Unsupported message "ping" prior to verack from peer=0']):
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no_verack_node.send_message(msg_ping())
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# With v2, non-version messages before the handshake would be interpreted as part of the key exchange.
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# Therefore, don't execute this part of the test if v2transport is chosen.
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if not self.options.v2transport:
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with self.nodes[0].assert_debug_log(['non-version message before version handshake. Message "ping" from peer=1']):
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no_version_node.send_message(msg_ping())
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self.mock_forward(1)
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assert "version" in no_verack_node.last_message
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assert no_verack_node.is_connected
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assert no_version_node.is_connected
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assert no_send_node.is_connected
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no_verack_node.send_message(msg_ping())
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if not self.options.v2transport:
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no_version_node.send_message(msg_ping())
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expected_timeout_logs = [
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"version handshake timeout peer=0",
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f"socket no message in first 3 seconds, {'0' if self.options.v2transport else '1'} 0 peer=1",
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"socket no message in first 3 seconds, 0 0 peer=2",
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]
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with self.nodes[0].assert_debug_log(expected_msgs=expected_timeout_logs):
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self.mock_forward(3)
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no_verack_node.wait_for_disconnect(timeout=2)
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no_version_node.wait_for_disconnect(timeout=1)
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no_send_node.wait_for_disconnect(timeout=1)
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if __name__ == '__main__':
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TimeoutsTest().main()
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