lbrycrd/qa/rpc-tests/forknotify.py

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#!/usr/bin/env python
# Copyright (c) 2014 The Bitcoin Core developers
# Distributed under the MIT/X11 software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
#
# Test -alertnotify
#
from test_framework import BitcoinTestFramework
from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
from util import *
import os
import shutil
class ForkNotifyTest(BitcoinTestFramework):
alert_filename = None # Set by setup_network
def setup_network(self, test_dir):
nodes = []
self.alert_filename = os.path.join(test_dir, "alert.txt")
with open(self.alert_filename, 'w') as f:
pass # Just open then close to create zero-length file
nodes.append(start_node(0, test_dir,
["-blockversion=2", "-alertnotify=echo %s >> '" + self.alert_filename + "'"]))
# Node1 mines block.version=211 blocks
nodes.append(start_node(1, test_dir,
["-blockversion=211"]))
connect_nodes(nodes[1], 0)
sync_blocks(nodes)
return nodes
def run_test(self, nodes):
# Mine 51 up-version blocks
nodes[1].setgenerate(True, 51)
sync_blocks(nodes)
# -alertnotify should trigger on the 51'st,
# but mine and sync another to give
# -alertnotify time to write
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
with open(self.alert_filename, 'r') as f:
alert_text = f.read()
if len(alert_text) == 0:
raise AssertionError("-alertnotify did not warn of up-version blocks")
# Mine more up-version blocks, should not get more alerts:
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
nodes[1].setgenerate(True, 1)
sync_blocks(nodes)
with open(self.alert_filename, 'r') as f:
alert_text2 = f.read()
if alert_text != alert_text2:
raise AssertionError("-alertnotify excessive warning of up-version blocks")
if __name__ == '__main__':
ForkNotifyTest().main()