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test: add functional test for
-maxtipage
parameter
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#!/usr/bin/env python3 | ||
# Copyright (c) 2022 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 logic for setting nMaxTipAge on command line. | ||
Nodes don't consider themselves out of "initial block download" as long as | ||
their best known block header time is more than nMaxTipAge in the past. | ||
""" | ||
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import time | ||
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from test_framework.test_framework import BitcoinTestFramework | ||
from test_framework.util import assert_equal | ||
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DEFAULT_MAX_TIP_AGE = 24 * 60 * 60 | ||
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class MaxTipAgeTest(BitcoinTestFramework): | ||
def set_test_params(self): | ||
self.setup_clean_chain = True | ||
self.num_nodes = 2 | ||
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def test_maxtipage(self, maxtipage, set_parameter=True): | ||
node_miner = self.nodes[0] | ||
node_ibd = self.nodes[1] | ||
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self.restart_node(1, [f'-maxtipage={maxtipage}'] if set_parameter else None) | ||
self.connect_nodes(0, 1) | ||
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# tips older than maximum age -> stay in IBD | ||
cur_time = int(time.time()) | ||
node_ibd.setmocktime(cur_time) | ||
for delta in [5, 4, 3, 2, 1]: | ||
node_miner.setmocktime(cur_time - maxtipage - delta) | ||
self.generate(node_miner, 1) | ||
assert_equal(node_ibd.getblockchaininfo()['initialblockdownload'], True) | ||
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# tip within maximum age -> leave IBD | ||
node_miner.setmocktime(cur_time - maxtipage) | ||
self.generate(node_miner, 1) | ||
assert_equal(node_ibd.getblockchaininfo()['initialblockdownload'], False) | ||
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def run_test(self): | ||
self.log.info("Test IBD with maximum tip age of 24 hours (default).") | ||
self.test_maxtipage(DEFAULT_MAX_TIP_AGE, set_parameter=False) | ||
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for hours in [20, 10, 5, 2, 1]: | ||
maxtipage = hours * 60 * 60 | ||
self.log.info(f"Test IBD with maximum tip age of {hours} hours (-maxtipage={maxtipage}).") | ||
self.test_maxtipage(maxtipage) | ||
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if __name__ == '__main__': | ||
MaxTipAgeTest().main() |
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