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#!/usr/bin/env python3
# Copyright (c) 2014-2018 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, -blocknotify and -walletnotify options."""
import os
from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal, wait_until, connect_nodes_bi
class NotificationsTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
def setup_network(self):
self.alertnotify_dir = os.path.join(self.options.tmpdir, "alertnotify")
self.blocknotify_dir = os.path.join(self.options.tmpdir, "blocknotify")
self.walletnotify_dir = os.path.join(self.options.tmpdir, "walletnotify")
os.mkdir(self.alertnotify_dir)
os.mkdir(self.blocknotify_dir)
os.mkdir(self.walletnotify_dir)
# -alertnotify and -blocknotify on node0, walletnotify on node1
self.extra_args = [[
"-alertnotify=echo > {}".format(os.path.join(self.alertnotify_dir, '%s')),
"-blocknotify=echo > {}".format(os.path.join(self.blocknotify_dir, '%s'))],
["-blockversion=211",
"-rescan",
"-walletnotify=echo > {}".format(os.path.join(self.walletnotify_dir, '%s'))]]
super().setup_network()
def run_test(self):
self.log.info("test -blocknotify")
block_count = 10
blocks = self.nodes[1].generatetoaddress(block_count, self.nodes[1].getnewaddress() if self.is_wallet_compiled() else ADDRESS_BCRT1_UNSPENDABLE)
# wait at most 10 seconds for expected number of files before reading the content
wait_until(lambda: len(os.listdir(self.blocknotify_dir)) == block_count, timeout=10)
# directory content should equal the generated blocks hashes
assert_equal(sorted(blocks), sorted(os.listdir(self.blocknotify_dir)))
if self.is_wallet_compiled():
self.log.info("test -walletnotify")
# wait at most 10 seconds for expected number of files before reading the content
wait_until(lambda: len(os.listdir(self.walletnotify_dir)) == block_count, timeout=10)
# directory content should equal the generated transaction hashes
txids_rpc = list(map(lambda t: t['txid'], self.nodes[1].listtransactions("*", block_count)))
assert_equal(sorted(txids_rpc), sorted(os.listdir(self.walletnotify_dir)))
self.stop_node(1)
for tx_file in os.listdir(self.walletnotify_dir):
os.remove(os.path.join(self.walletnotify_dir, tx_file))
self.log.info("test -walletnotify after rescan")
# restart node to rescan to force wallet notifications
self.start_node(1)
connect_nodes_bi(self.nodes, 0, 1)
wait_until(lambda: len(os.listdir(self.walletnotify_dir)) == block_count, timeout=10)
# directory content should equal the generated transaction hashes
txids_rpc = list(map(lambda t: t['txid'], self.nodes[1].listtransactions("*", block_count)))
assert_equal(sorted(txids_rpc), sorted(os.listdir(self.walletnotify_dir)))
# Mine another 41 up-version blocks. -alertnotify should trigger on the 51st.
self.log.info("test -alertnotify")
self.nodes[1].generatetoaddress(41, ADDRESS_BCRT1_UNSPENDABLE)
self.sync_all()
# Give bitcoind 10 seconds to write the alert notification
wait_until(lambda: len(os.listdir(self.alertnotify_dir)), timeout=10)
for notify_file in os.listdir(self.alertnotify_dir):
os.remove(os.path.join(self.alertnotify_dir, notify_file))
# Mine more up-version blocks, should not get more alerts:
self.nodes[1].generatetoaddress(2, ADDRESS_BCRT1_UNSPENDABLE)
self.sync_all()
self.log.info("-alertnotify should not continue notifying for more unknown version blocks")
assert_equal(len(os.listdir(self.alertnotify_dir)), 0)
if __name__ == '__main__':
NotificationsTest().main()
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