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test: adds seednode functional tests
Adds functional tests to test the interaction between seednode and the AddrMan
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#!/usr/bin/env python3 | ||
# Copyright (c) 2019-2021 The Bitcoin Core developers | ||
# Distributed under the MIT software license, see the accompanying | ||
# file COPYING or http://www.opensource.org/licenses/mit-license.php. | ||
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""" | ||
Test seednode interaction with the AddrMan | ||
""" | ||
import random | ||
import time | ||
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from test_framework.test_framework import BitcoinTestFramework | ||
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ADD_NEXT_SEEDNODE = 10 | ||
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class P2PSeedNodes(BitcoinTestFramework): | ||
def set_test_params(self): | ||
self.num_nodes = 1 | ||
self.disable_autoconnect = False | ||
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def test_no_seednode(self): | ||
# Check that if no seednode is provided, the node proceeds as usual (without waiting) | ||
with self.nodes[0].assert_debug_log(expected_msgs=[], unexpected_msgs=["Empty addrman, adding seednode", f"Couldn't connect to peers from addrman after {ADD_NEXT_SEEDNODE} seconds. Adding seednode"], timeout=ADD_NEXT_SEEDNODE): | ||
self.restart_node(0) | ||
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def test_seednode_empty_addrman(self): | ||
seed_node = "0.0.0.1" | ||
# Check that the seednode is added to m_addr_fetches on bootstrap on an empty addrman | ||
with self.nodes[0].assert_debug_log(expected_msgs=[f"Empty addrman, adding seednode ({seed_node}) to addrfetch"], timeout=ADD_NEXT_SEEDNODE): | ||
self.restart_node(0, extra_args=[f'-seednode={seed_node}']) | ||
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def test_seednode_addrman_unreachable_peers(self): | ||
seed_node = "0.0.0.2" | ||
node = self.nodes[0] | ||
# Fill the addrman with unreachable nodes | ||
for i in range(10): | ||
ip = f"{random.randrange(128,169)}.{random.randrange(1,255)}.{random.randrange(1,255)}.{random.randrange(1,255)}" | ||
port = 8333 + i | ||
node.addpeeraddress(ip, port) | ||
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# Restart the node so seednode is processed again | ||
with node.assert_debug_log(expected_msgs=[f"Couldn't connect to peers from addrman after {ADD_NEXT_SEEDNODE} seconds. Adding seednode ({seed_node}) to addrfetch"], unexpected_msgs=["Empty addrman, adding seednode"], timeout=ADD_NEXT_SEEDNODE * 1.5): | ||
self.restart_node(0, extra_args=[f'-seednode={seed_node}']) | ||
node.setmocktime(int(time.time()) + ADD_NEXT_SEEDNODE + 1) | ||
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def run_test(self): | ||
self.test_no_seednode() | ||
self.test_seednode_empty_addrman() | ||
self.test_seednode_addrman_unreachable_peers() | ||
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if __name__ == '__main__': | ||
P2PSeedNodes().main() | ||
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