-
Notifications
You must be signed in to change notification settings - Fork 11
/
Copy pathp2p_permissions.py
171 lines (144 loc) · 6.68 KB
/
p2p_permissions.py
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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
#!/usr/bin/env python3
# Copyright (c) 2015-2018 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 p2p permission message.
Test that permissions are correctly calculated and applied
"""
from test_framework.address import ADDRESS_BCRT1_P2SH_OP_TRUE
from test_framework.messages import (
CTransaction,
FromHex,
)
from test_framework.mininode import P2PDataStore
from test_framework.script import (
CScript,
OP_TRUE,
)
from test_framework.test_node import ErrorMatch
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal,
p2p_port,
wait_until,
)
class P2PPermissionsTests(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 2
self.setup_clean_chain = True
def run_test(self):
self.check_tx_relay()
self.checkpermission(
# default permissions (no specific permissions)
["-whitelist=127.0.0.1"],
["relay", "noban", "mempool"],
True)
self.checkpermission(
# no permission (even with forcerelay)
["[email protected]", "-whitelistforcerelay=1"],
[],
False)
self.checkpermission(
# relay permission removed (no specific permissions)
["-whitelist=127.0.0.1", "-whitelistrelay=0"],
["noban", "mempool"],
True)
self.checkpermission(
# forcerelay and relay permission added
# Legacy parameter interaction which set whitelistrelay to true
# if whitelistforcerelay is true
["-whitelist=127.0.0.1", "-whitelistforcerelay"],
["forcerelay", "relay", "noban", "mempool"],
True)
# Let's make sure permissions are merged correctly
# For this, we need to use whitebind instead of bind
# by modifying the configuration file.
ip_port = "127.0.0.1:{}".format(p2p_port(1))
self.replaceinconfig(1, "bind=127.0.0.1", "whitebind=bloomfilter,forcerelay@" + ip_port)
self.checkpermission(
["[email protected]"],
# Check parameter interaction forcerelay should activate relay
["noban", "bloomfilter", "forcerelay", "relay"],
False)
self.replaceinconfig(1, "whitebind=bloomfilter,forcerelay@" + ip_port, "bind=127.0.0.1")
self.checkpermission(
# legacy whitelistrelay should be ignored
["-whitelist=noban,[email protected]", "-whitelistrelay"],
["noban", "mempool"],
False)
self.checkpermission(
# legacy whitelistforcerelay should be ignored
["-whitelist=noban,[email protected]", "-whitelistforcerelay"],
["noban", "mempool"],
False)
self.checkpermission(
# missing mempool permission to be considered legacy whitelisted
["[email protected]"],
["noban"],
False)
self.checkpermission(
# all permission added
["[email protected]"],
["forcerelay", "noban", "mempool", "bloomfilter", "relay"],
False)
self.stop_node(1)
self.nodes[1].assert_start_raises_init_error(["[email protected]"], "Invalid P2P permission", match=ErrorMatch.PARTIAL_REGEX)
self.nodes[1].assert_start_raises_init_error(["[email protected]:230"], "Invalid netmask specified in", match=ErrorMatch.PARTIAL_REGEX)
self.nodes[1].assert_start_raises_init_error(["[email protected]/10"], "Cannot resolve -whitebind address", match=ErrorMatch.PARTIAL_REGEX)
def check_tx_relay(self):
block_op_true = self.nodes[0].getblock(self.nodes[0].generatetoaddress(100, ADDRESS_BCRT1_P2SH_OP_TRUE)[0])
self.sync_all()
self.log.debug("Create a connection from a forcerelay peer that rebroadcasts raw txs")
# A python mininode is needed to send the raw transaction directly. If a full node was used, it could only
# rebroadcast via the inv-getdata mechanism. However, even for forcerelay connections, a full node would
# currently not request a txid that is already in the mempool.
self.restart_node(1, extra_args=["[email protected]"])
p2p_rebroadcast_wallet = self.nodes[1].add_p2p_connection(P2PDataStore())
self.log.debug("Send a tx from the wallet initially")
tx = FromHex(
CTransaction(),
self.nodes[0].createrawtransaction(
inputs=[{
'txid': block_op_true['tx'][0],
'vout': 0,
}], outputs=[{
ADDRESS_BCRT1_P2SH_OP_TRUE: 5,
}]),
)
tx.vin[0].scriptSig = CScript([CScript([OP_TRUE])])
txid = tx.rehash()
self.log.debug("Wait until tx is in node[1]'s mempool")
p2p_rebroadcast_wallet.send_txs_and_test([tx], self.nodes[1])
self.log.debug("Check that node[1] will send the tx to node[0] even though it is already in the mempool")
self.connect_nodes(1, 0)
def in_mempool():
self.bump_mocktime(1)
return txid in self.nodes[0].getrawmempool()
with self.nodes[1].assert_debug_log(["Force relaying tx {} from peer=0".format(txid)]):
p2p_rebroadcast_wallet.send_txs_and_test([tx], self.nodes[1])
wait_until(in_mempool)
self.log.debug("Check that node[1] will not send an invalid tx to node[0]")
tx.vout[0].nValue += 1
txid = tx.rehash()
p2p_rebroadcast_wallet.send_txs_and_test(
[tx],
self.nodes[1],
success=False,
reject_reason='Not relaying non-mempool transaction {} from forcerelay peer=0'.format(txid),
)
def checkpermission(self, args, expectedPermissions, whitelisted):
self.restart_node(1, args)
self.connect_nodes(0, 1)
peerinfo = self.nodes[1].getpeerinfo()[0]
assert_equal(peerinfo['whitelisted'], whitelisted)
assert_equal(len(expectedPermissions), len(peerinfo['permissions']))
for p in expectedPermissions:
if not p in peerinfo['permissions']:
raise AssertionError("Expected permissions %r is not granted." % p)
def replaceinconfig(self, nodeid, old, new):
with open(self.nodes[nodeid].bitcoinconf, encoding="utf8") as f:
newText = f.read().replace(old, new)
with open(self.nodes[nodeid].bitcoinconf, 'w', encoding="utf8") as f:
f.write(newText)
if __name__ == '__main__':
P2PPermissionsTests().main()