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feature_notifications.py
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#!/usr/bin/env python3
# Copyright (c) 2014-2020 The Bitcoin Core developers
# Copyright (c) 2023-2024 The Dash 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, -chainlocknotify, -instantsendnotify and -walletnotify options."""
import os
from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE
from test_framework.test_framework import DashTestFramework
from test_framework.util import (
assert_equal,
force_finish_mnsync,
)
# Linux allow all characters other than \x00
# Windows disallow control characters (0-31) and /\?%:|"<>
FILE_CHAR_START = 32 if os.name == 'nt' else 1
FILE_CHAR_END = 128
FILE_CHARS_DISALLOWED = '/\\?%*:|"<>' if os.name == 'nt' else '/'
UNCONFIRMED_HASH_STRING = 'unconfirmed'
def notify_outputname(walletname, txid):
return txid if os.name == 'nt' else f'{walletname}_{txid}'
class NotificationsTest(DashTestFramework):
def set_test_params(self):
self.set_dash_test_params(6, 4)
def setup_network(self):
self.wallet = ''.join(chr(i) for i in range(FILE_CHAR_START, FILE_CHAR_END) if chr(i) not in FILE_CHARS_DISALLOWED)
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")
self.chainlocknotify_dir = os.path.join(self.options.tmpdir, "chainlocknotify")
self.instantsendnotify_dir = os.path.join(self.options.tmpdir, "instantsendnotify")
os.mkdir(self.alertnotify_dir)
os.mkdir(self.blocknotify_dir)
os.mkdir(self.walletnotify_dir)
os.mkdir(self.chainlocknotify_dir)
os.mkdir(self.instantsendnotify_dir)
# -alertnotify and -blocknotify on node0, walletnotify on node1
# -chainlocknotify on node0, -instantsendnotify on node1
self.extra_args = [[
f"-alertnotify=echo > {os.path.join(self.alertnotify_dir, '%s')}",
f"-blocknotify=echo > {os.path.join(self.blocknotify_dir, '%s')}",
f"-chainlocknotify=echo > {os.path.join(self.chainlocknotify_dir, '%s')}",
], [
"-rescan",
f"-walletnotify=echo %h_%b > {os.path.join(self.walletnotify_dir, notify_outputname('%w', '%s'))}",
f"-instantsendnotify=echo > {os.path.join(self.instantsendnotify_dir, notify_outputname('%w', '%s'))}",
],
[], [], [], []]
self.wallet_names = [self.default_wallet_name, self.wallet]
super().setup_network()
def run_test(self):
# remove files created during network setup
for block_file in os.listdir(self.blocknotify_dir):
os.remove(os.path.join(self.blocknotify_dir, block_file))
for tx_file in os.listdir(self.walletnotify_dir):
os.remove(os.path.join(self.walletnotify_dir, tx_file))
self.log.info("test -blocknotify")
block_count = 10
blocks = self.generatetoaddress(self.nodes[1], 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
self.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
self.wait_until(lambda: len(os.listdir(self.walletnotify_dir)) == block_count, timeout=10)
# directory content should equal the generated transaction hashes
tx_details = list(map(lambda t: (t['txid'], t['blockheight'], t['blockhash']), self.nodes[1].listtransactions("*", block_count)))
self.stop_node(1)
self.expect_wallet_notify(tx_details)
self.log.info("test -walletnotify after rescan")
# restart node to rescan to force wallet notifications
self.start_node(1)
force_finish_mnsync(self.nodes[1])
self.connect_nodes(0, 1)
self.wait_until(lambda: len(os.listdir(self.walletnotify_dir)) == block_count, timeout=10)
# directory content should equal the generated transaction hashes
tx_details = list(map(lambda t: (t['txid'], t['blockheight'], t['blockhash']), self.nodes[1].listtransactions("*", block_count)))
self.expect_wallet_notify(tx_details)
self.log.info("test -chainlocknotify")
self.activate_v19(expected_activation_height=900)
self.log.info("Activated v19 at height:" + str(self.nodes[0].getblockcount()))
self.nodes[0].sporkupdate("SPORK_17_QUORUM_DKG_ENABLED", 0)
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 4070908800)
self.wait_for_sporks_same()
(quorum_info_i_0, quorum_info_i_1) = self.mine_cycle_quorum()
self.nodes[0].sporkupdate("SPORK_19_CHAINLOCKS_ENABLED", 0)
self.wait_for_sporks_same()
self.log.info("Mine single block, wait for chainlock")
self.bump_mocktime(1)
tip = self.generate(self.nodes[0], 1, sync_fun=self.no_op)[-1]
self.wait_for_chainlocked_block_all_nodes(tip)
# directory content should equal the chainlocked block hash
assert_equal([tip], sorted(os.listdir(self.chainlocknotify_dir)))
if self.is_wallet_compiled():
self.log.info("test -instantsendnotify")
assert_equal(len(os.listdir(self.instantsendnotify_dir)), 0)
tx_count = 10
for _ in range(tx_count):
txid = self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 1)
self.wait_for_instantlock(txid, self.nodes[1])
# wait at most 10 seconds for expected number of files before reading the content
self.wait_until(lambda: len(os.listdir(self.instantsendnotify_dir)) == tx_count, timeout=10)
# directory content should equal the generated transaction hashes
txids_rpc = list(map(lambda t: notify_outputname(self.wallet, t['txid']), self.nodes[1].listtransactions("*", tx_count)))
assert_equal(sorted(txids_rpc), sorted(os.listdir(self.instantsendnotify_dir)))
# TODO: add test for `-alertnotify` large fork notifications
def expect_wallet_notify(self, tx_details):
self.wait_until(lambda: len(os.listdir(self.walletnotify_dir)) >= len(tx_details), timeout=10)
# Should have no more and no less files than expected
assert_equal(sorted(notify_outputname(self.wallet, tx_id) for tx_id, _, _ in tx_details), sorted(os.listdir(self.walletnotify_dir)))
# Should now verify contents of each file
for tx_id, blockheight, blockhash in tx_details:
fname = os.path.join(self.walletnotify_dir, notify_outputname(self.wallet, tx_id))
# Wait for the cached writes to hit storage
self.wait_until(lambda: os.path.getsize(fname) > 0, timeout=10)
with open(fname, 'rt', encoding='utf-8') as f:
text = f.read()
# Universal newline ensures '\n' on 'nt'
assert_equal(text[-1], '\n')
text = text[:-1]
if os.name == 'nt':
# On Windows, echo as above will append a whitespace
assert_equal(text[-1], ' ')
text = text[:-1]
expected = str(blockheight) + '_' + blockhash
assert_equal(text, expected)
for tx_file in os.listdir(self.walletnotify_dir):
os.remove(os.path.join(self.walletnotify_dir, tx_file))
if __name__ == '__main__':
NotificationsTest().main()