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#!/usr/bin/env python3
# Copyright (c) 2014-2016 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 the -alertnotify option."""
import os
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, wait_until
class ForkNotifyTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
def setup_network(self):
self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
self.extra_args = [["-alertnotify=echo %%s >> %s" % self.alert_filename],
["-blockversion=211"]]
super().setup_network()
def run_test(self):
# Mine 51 up-version blocks. -alertnotify should trigger on the 51st.
self.nodes[1].generate(51)
self.sync_all()
# Give bitcoind 10 seconds to write the alert notification
wait_until(lambda: os.path.isfile(self.alert_filename) and os.path.getsize(self.alert_filename), timeout=10)
with open(self.alert_filename, 'r', encoding='utf8') as f:
alert_text = f.read()
# Mine more up-version blocks, should not get more alerts:
self.nodes[1].generate(2)
self.sync_all()
with open(self.alert_filename, 'r', encoding='utf8') as f:
alert_text2 = f.read()
self.log.info("-alertnotify should not continue notifying for more unknown version blocks")
assert_equal(alert_text, alert_text2)
if __name__ == '__main__':
ForkNotifyTest().main()
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