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88 lines
3.1 KiB
Python
Executable File
88 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 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 addrman functionality"""
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import os
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import struct
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from test_framework.messages import ser_uint256, hash256
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from test_framework.p2p import MAGIC_BYTES
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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def serialize_addrman(*, format=1, lowest_compatible=3):
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new = []
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tried = []
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INCOMPATIBILITY_BASE = 32
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r = MAGIC_BYTES["regtest"]
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r += struct.pack("B", format)
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r += struct.pack("B", INCOMPATIBILITY_BASE + lowest_compatible)
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r += ser_uint256(1)
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r += struct.pack("i", len(new))
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r += struct.pack("i", len(tried))
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ADDRMAN_NEW_BUCKET_COUNT = 1 << 10
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r += struct.pack("i", ADDRMAN_NEW_BUCKET_COUNT ^ (1 << 30))
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for _ in range(ADDRMAN_NEW_BUCKET_COUNT):
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r += struct.pack("i", 0)
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checksum = hash256(r)
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r += checksum
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return r
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def write_addrman(peers_dat, **kwargs):
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with open(peers_dat, "wb") as f:
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f.write(serialize_addrman(**kwargs))
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class AddrmanTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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def run_test(self):
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peers_dat = os.path.join(self.nodes[0].datadir, self.chain, "peers.dat")
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self.log.info("Check that mocked addrman is valid")
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self.stop_node(0)
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write_addrman(peers_dat)
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with self.nodes[0].assert_debug_log(["Loaded 0 addresses from peers.dat"]):
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self.start_node(0, extra_args=["-checkaddrman=1"])
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assert_equal(self.nodes[0].getnodeaddresses(), [])
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self.log.info("Check that addrman from future cannot be read")
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self.stop_node(0)
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write_addrman(peers_dat, lowest_compatible=111)
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with self.nodes[0].assert_debug_log([
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f'ERROR: DeserializeDB: Deserialize or I/O error - Unsupported format of addrman database: 1. It is compatible with formats >=111, but the maximum supported by this version of {self.config["environment"]["PACKAGE_NAME"]} is 3.',
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"Recreating peers.dat",
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]):
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self.start_node(0)
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assert_equal(self.nodes[0].getnodeaddresses(), [])
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self.log.info("Check that corrupt addrman cannot be read")
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self.stop_node(0)
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with open(peers_dat, "wb") as f:
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f.write(serialize_addrman()[:-1])
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with self.nodes[0].assert_debug_log([
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"ERROR: DeserializeDB: Deserialize or I/O error - CAutoFile::read: end of file",
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"Recreating peers.dat",
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]):
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self.start_node(0)
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assert_equal(self.nodes[0].getnodeaddresses(), [])
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self.log.info("Check that missing addrman is recreated")
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self.stop_node(0)
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os.remove(peers_dat)
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with self.nodes[0].assert_debug_log([
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f"Missing or invalid file {peers_dat}",
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"Recreating peers.dat",
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]):
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self.start_node(0)
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assert_equal(self.nodes[0].getnodeaddresses(), [])
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if __name__ == "__main__":
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AddrmanTest().main()
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