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#!/usr/bin/env python3
# Copyright (c) 2020 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
"""Test asmap config argument for ASN-based IP bucketing.
Verify node behaviour and debug log when launching bitcoind in these cases:
1. `bitcoind` with no -asmap arg, using /16 prefix for IP bucketing
2. `bitcoind -asmap=<absolute path>`, using the unit test skeleton asmap
3. `bitcoind -asmap=<relative path>`, using the unit test skeleton asmap
4. `bitcoind -asmap/-asmap=` with no file specified, using the default asmap
5. `bitcoind -asmap` with no file specified and a missing default asmap file
6. `bitcoind -asmap` with an empty (unparsable) default asmap file
The tests are order-independent.
"""
import os
import shutil
from test_framework.test_framework import BitcoinTestFramework
DEFAULT_ASMAP_FILENAME = 'ip_asn.map' # defined in src/init.cpp
ASMAP = '../../src/test/data/asmap.raw' # path to unit test skeleton asmap
VERSION = 'fec61fa21a9f46f3b17bdcd660d7f4cd90b966aad3aec593c99b35f0aca15853'
def expected_messages(filename):
return [f'Opened asmap file "{filename}" (59 bytes) from disk',
f'Using asmap version {VERSION} for IP bucketing']
class AsmapTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
def test_without_asmap_arg(self):
self.log.info('Test bitcoind with no -asmap arg passed')
self.stop_node(0)
with self.node.assert_debug_log(['Using /16 prefix for IP bucketing']):
self.start_node(0)
def test_asmap_with_absolute_path(self):
self.log.info('Test bitcoind -asmap=<absolute path>')
self.stop_node(0)
filename = os.path.join(self.datadir, 'my-map-file.map')
shutil.copyfile(self.asmap_raw, filename)
with self.node.assert_debug_log(expected_messages(filename)):
self.start_node(0, [f'-asmap={filename}'])
os.remove(filename)
def test_asmap_with_relative_path(self):
self.log.info('Test bitcoind -asmap=<relative path>')
self.stop_node(0)
name = 'ASN_map'
filename = os.path.join(self.datadir, name)
shutil.copyfile(self.asmap_raw, filename)
with self.node.assert_debug_log(expected_messages(filename)):
self.start_node(0, [f'-asmap={name}'])
os.remove(filename)
def test_default_asmap(self):
shutil.copyfile(self.asmap_raw, self.default_asmap)
for arg in ['-asmap', '-asmap=']:
self.log.info(f'Test bitcoind {arg} (using default map file)')
self.stop_node(0)
with self.node.assert_debug_log(expected_messages(self.default_asmap)):
self.start_node(0, [arg])
os.remove(self.default_asmap)
def test_default_asmap_with_missing_file(self):
self.log.info('Test bitcoind -asmap with missing default map file')
self.stop_node(0)
msg = f"Error: Could not find asmap file \"{self.default_asmap}\""
self.node.assert_start_raises_init_error(extra_args=['-asmap'], expected_msg=msg)
def test_empty_asmap(self):
self.log.info('Test bitcoind -asmap with empty map file')
self.stop_node(0)
with open(self.default_asmap, "w", encoding="utf-8") as f:
f.write("")
msg = f"Error: Could not parse asmap file \"{self.default_asmap}\""
self.node.assert_start_raises_init_error(extra_args=['-asmap'], expected_msg=msg)
os.remove(self.default_asmap)
def run_test(self):
self.node = self.nodes[0]
self.datadir = os.path.join(self.node.datadir, self.chain)
self.default_asmap = os.path.join(self.datadir, DEFAULT_ASMAP_FILENAME)
self.asmap_raw = os.path.join(os.path.dirname(os.path.realpath(__file__)), ASMAP)
self.test_without_asmap_arg()
self.test_asmap_with_absolute_path()
self.test_asmap_with_relative_path()
self.test_default_asmap()
self.test_default_asmap_with_missing_file()
self.test_empty_asmap()
if __name__ == '__main__':
AsmapTest().main()
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