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131 lines
5.3 KiB
131 lines
5.3 KiB
#!/usr/bin/env python3
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# Copyright (c) 2020-2021 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 asmap config argument for ASN-based IP bucketing.
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Verify node behaviour and debug log when launching bitcoind in these cases:
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1. `bitcoind` with no -asmap arg, using /16 prefix for IP bucketing
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2. `bitcoind -asmap=<absolute path>`, using the unit test skeleton asmap
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3. `bitcoind -asmap=<relative path>`, using the unit test skeleton asmap
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4. `bitcoind -asmap/-asmap=` with no file specified, using the default asmap
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5. `bitcoind -asmap` restart with an addrman containing new and tried entries
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6. `bitcoind -asmap` with no file specified and a missing default asmap file
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7. `bitcoind -asmap` with an empty (unparsable) default asmap file
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The tests are order-independent.
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"""
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import os
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import shutil
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from test_framework.test_framework import BitcoinTestFramework
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DEFAULT_ASMAP_FILENAME = 'ip_asn.map' # defined in src/init.cpp
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ASMAP = '../../src/test/data/asmap.raw' # path to unit test skeleton asmap
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VERSION = 'fec61fa21a9f46f3b17bdcd660d7f4cd90b966aad3aec593c99b35f0aca15853'
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def expected_messages(filename):
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return [f'Opened asmap file "{filename}" (59 bytes) from disk',
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f'Using asmap version {VERSION} for IP bucketing']
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class AsmapTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [["-checkaddrman=1"]] # Do addrman checks on all operations.
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def fill_addrman(self, node_id):
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"""Add 1 tried address to the addrman, followed by 1 new address."""
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for addr, tried in [[0, True], [1, False]]:
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self.nodes[node_id].addpeeraddress(address=f"101.{addr}.0.0", tried=tried, port=8333)
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def test_without_asmap_arg(self):
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self.log.info('Test bitcoind with no -asmap arg passed')
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self.stop_node(0)
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with self.node.assert_debug_log(['Using /16 prefix for IP bucketing']):
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self.start_node(0)
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def test_asmap_with_absolute_path(self):
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self.log.info('Test bitcoind -asmap=<absolute path>')
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self.stop_node(0)
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filename = os.path.join(self.datadir, 'my-map-file.map')
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shutil.copyfile(self.asmap_raw, filename)
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with self.node.assert_debug_log(expected_messages(filename)):
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self.start_node(0, [f'-asmap={filename}'])
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os.remove(filename)
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def test_asmap_with_relative_path(self):
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self.log.info('Test bitcoind -asmap=<relative path>')
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self.stop_node(0)
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name = 'ASN_map'
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filename = os.path.join(self.datadir, name)
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shutil.copyfile(self.asmap_raw, filename)
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with self.node.assert_debug_log(expected_messages(filename)):
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self.start_node(0, [f'-asmap={name}'])
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os.remove(filename)
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def test_default_asmap(self):
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shutil.copyfile(self.asmap_raw, self.default_asmap)
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for arg in ['-asmap', '-asmap=']:
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self.log.info(f'Test bitcoind {arg} (using default map file)')
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self.stop_node(0)
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with self.node.assert_debug_log(expected_messages(self.default_asmap)):
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self.start_node(0, [arg])
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os.remove(self.default_asmap)
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def test_asmap_interaction_with_addrman_containing_entries(self):
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self.log.info("Test bitcoind -asmap restart with addrman containing new and tried entries")
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self.stop_node(0)
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shutil.copyfile(self.asmap_raw, self.default_asmap)
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self.start_node(0, ["-asmap", "-checkaddrman=1"])
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self.fill_addrman(node_id=0)
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self.restart_node(0, ["-asmap", "-checkaddrman=1"])
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with self.node.assert_debug_log(
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expected_msgs=[
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"CheckAddrman: new 1, tried 1, total 2 started",
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"CheckAddrman: completed",
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]
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):
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self.node.getnodeaddresses() # getnodeaddresses re-runs the addrman checks
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os.remove(self.default_asmap)
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def test_default_asmap_with_missing_file(self):
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self.log.info('Test bitcoind -asmap with missing default map file')
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self.stop_node(0)
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msg = f"Error: Could not find asmap file \"{self.default_asmap}\""
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self.node.assert_start_raises_init_error(extra_args=['-asmap'], expected_msg=msg)
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def test_empty_asmap(self):
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self.log.info('Test bitcoind -asmap with empty map file')
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self.stop_node(0)
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with open(self.default_asmap, "w", encoding="utf-8") as f:
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f.write("")
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msg = f"Error: Could not parse asmap file \"{self.default_asmap}\""
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self.node.assert_start_raises_init_error(extra_args=['-asmap'], expected_msg=msg)
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os.remove(self.default_asmap)
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def run_test(self):
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self.node = self.nodes[0]
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self.datadir = self.node.chain_path
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self.default_asmap = os.path.join(self.datadir, DEFAULT_ASMAP_FILENAME)
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self.asmap_raw = os.path.join(os.path.dirname(os.path.realpath(__file__)), ASMAP)
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self.test_without_asmap_arg()
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self.test_asmap_with_absolute_path()
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self.test_asmap_with_relative_path()
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self.test_default_asmap()
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self.test_asmap_interaction_with_addrman_containing_entries()
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self.test_default_asmap_with_missing_file()
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self.test_empty_asmap()
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if __name__ == '__main__':
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AsmapTest().main()
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