1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
#!/usr/bin/env python3
# Copyright (c) 2014-2019 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, keyhash_to_p2pkh
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
wait_until,
connect_nodes,
disconnect_nodes,
hex_str_to_bytes,
)
# 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_CHAR_BLOCKLIST = '/\\?%*:|"<>' if os.name == 'nt' else '/'
def notify_outputname(walletname, txid):
return txid if os.name == 'nt' else '{}_{}'.format(walletname, txid)
class NotificationsTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
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_CHAR_BLOCKLIST)
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",
"-wallet={}".format(self.wallet),
"-walletnotify=echo > {}".format(os.path.join(self.walletnotify_dir, notify_outputname('%w', '%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: notify_outputname(self.wallet, 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(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: notify_outputname(self.wallet, t['txid']), self.nodes[1].listtransactions("*", block_count)))
assert_equal(sorted(txids_rpc), sorted(os.listdir(self.walletnotify_dir)))
for tx_file in os.listdir(self.walletnotify_dir):
os.remove(os.path.join(self.walletnotify_dir, tx_file))
# Conflicting transactions tests. Give node 0 same wallet seed as
# node 1, generate spends from node 0, and check notifications
# triggered by node 1
self.log.info("test -walletnotify with conflicting transactions")
self.nodes[0].sethdseed(seed=self.nodes[1].dumpprivkey(keyhash_to_p2pkh(hex_str_to_bytes(self.nodes[1].getwalletinfo()['hdseedid'])[::-1])))
self.nodes[0].rescanblockchain()
self.nodes[0].generatetoaddress(100, ADDRESS_BCRT1_UNSPENDABLE)
self.sync_blocks()
# Generate transaction on node 0, sync mempools, and check for
# notification on node 1.
tx1 = self.nodes[0].sendtoaddress(address=ADDRESS_BCRT1_UNSPENDABLE, amount=1, replaceable=True)
assert_equal(tx1 in self.nodes[0].getrawmempool(), True)
self.sync_mempools()
self.expect_wallet_notify([tx1])
# Generate bump transaction, sync mempools, and check for bump1
# notification. In the future, per
# https://github.com/bitcoin/bitcoin/pull/9371, it might be better
# to have notifications for both tx1 and bump1.
bump1 = self.nodes[0].bumpfee(tx1)["txid"]
assert_equal(bump1 in self.nodes[0].getrawmempool(), True)
self.sync_mempools()
self.expect_wallet_notify([bump1])
# Add bump1 transaction to new block, checking for a notification
# and the correct number of confirmations.
self.nodes[0].generatetoaddress(1, ADDRESS_BCRT1_UNSPENDABLE)
self.sync_blocks()
self.expect_wallet_notify([bump1])
assert_equal(self.nodes[1].gettransaction(bump1)["confirmations"], 1)
# Generate a second transaction to be bumped.
tx2 = self.nodes[0].sendtoaddress(address=ADDRESS_BCRT1_UNSPENDABLE, amount=1, replaceable=True)
assert_equal(tx2 in self.nodes[0].getrawmempool(), True)
self.sync_mempools()
self.expect_wallet_notify([tx2])
# Bump tx2 as bump2 and generate a block on node 0 while
# disconnected, then reconnect and check for notifications on node 1
# about newly confirmed bump2 and newly conflicted tx2.
disconnect_nodes(self.nodes[0], 1)
bump2 = self.nodes[0].bumpfee(tx2)["txid"]
self.nodes[0].generatetoaddress(1, ADDRESS_BCRT1_UNSPENDABLE)
assert_equal(self.nodes[0].gettransaction(bump2)["confirmations"], 1)
assert_equal(tx2 in self.nodes[1].getrawmempool(), True)
connect_nodes(self.nodes[0], 1)
self.sync_blocks()
self.expect_wallet_notify([bump2, tx2])
assert_equal(self.nodes[1].gettransaction(bump2)["confirmations"], 1)
# TODO: add test for `-alertnotify` large fork notifications
def expect_wallet_notify(self, tx_ids):
wait_until(lambda: len(os.listdir(self.walletnotify_dir)) >= len(tx_ids), timeout=10)
assert_equal(sorted(notify_outputname(self.wallet, tx_id) for tx_id in tx_ids), sorted(os.listdir(self.walletnotify_dir)))
for tx_file in os.listdir(self.walletnotify_dir):
os.remove(os.path.join(self.walletnotify_dir, tx_file))
if __name__ == '__main__':
NotificationsTest().main()
|
