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73 lines
2.5 KiB
73 lines
2.5 KiB
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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 the -alertnotify option."""
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import os
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import time
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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class ForkNotifyTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 2
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self.setup_clean_chain = False
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alert_filename = None # Set by setup_network
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def setup_network(self):
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self.nodes = []
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self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
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with open(self.alert_filename, 'w', encoding='utf8'):
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pass # Just open then close to create zero-length file
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self.nodes.append(start_node(0, self.options.tmpdir,
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["-blockversion=2", "-alertnotify=echo %s >> \"" + self.alert_filename + "\""]))
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# Node1 mines block.version=211 blocks
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self.nodes.append(start_node(1, self.options.tmpdir,
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["-blockversion=211"]))
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connect_nodes(self.nodes[1], 0)
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self.is_network_split = False
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self.sync_all()
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def run_test(self):
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# Mine 51 up-version blocks
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self.nodes[1].generate(51)
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self.sync_all()
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# -alertnotify should trigger on the 51'st,
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# but mine and sync another to give
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# -alertnotify time to write
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self.nodes[1].generate(1)
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self.sync_all()
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# Give bitcoind 10 seconds to write the alert notification
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timeout = 10.0
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while timeout > 0:
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if os.path.exists(self.alert_filename) and os.path.getsize(self.alert_filename):
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break
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time.sleep(0.1)
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timeout -= 0.1
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else:
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assert False, "-alertnotify did not warn of up-version blocks"
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with open(self.alert_filename, 'r', encoding='utf8') as f:
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alert_text = f.read()
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# Mine more up-version blocks, should not get more alerts:
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self.nodes[1].generate(1)
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self.sync_all()
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self.nodes[1].generate(1)
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self.sync_all()
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with open(self.alert_filename, 'r', encoding='utf8') as f:
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alert_text2 = f.read()
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if alert_text != alert_text2:
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raise AssertionError("-alertnotify excessive warning of up-version blocks")
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if __name__ == '__main__':
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ForkNotifyTest().main()
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