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
|
#!/usr/bin/env python3
# Copyright (c) 2014-2021 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 invalidateblock RPC."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.address import ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR
from test_framework.util import (
assert_equal,
assert_raises_rpc_error,
)
class InvalidateTest(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 3
def setup_network(self):
self.setup_nodes()
def run_test(self):
self.log.info("Make sure we repopulate setBlockIndexCandidates after InvalidateBlock:")
self.log.info("Mine 4 blocks on Node 0")
self.generate(self.nodes[0], 4, sync_fun=self.no_op)
assert_equal(self.nodes[0].getblockcount(), 4)
besthash_n0 = self.nodes[0].getbestblockhash()
self.log.info("Mine competing 6 blocks on Node 1")
self.generate(self.nodes[1], 6, sync_fun=self.no_op)
assert_equal(self.nodes[1].getblockcount(), 6)
self.log.info("Connect nodes to force a reorg")
self.connect_nodes(0, 1)
self.sync_blocks(self.nodes[0:2])
assert_equal(self.nodes[0].getblockcount(), 6)
badhash = self.nodes[1].getblockhash(2)
self.log.info("Invalidate block 2 on node 0 and verify we reorg to node 0's original chain")
self.nodes[0].invalidateblock(badhash)
assert_equal(self.nodes[0].getblockcount(), 4)
assert_equal(self.nodes[0].getbestblockhash(), besthash_n0)
self.log.info("Make sure we won't reorg to a lower work chain:")
self.connect_nodes(1, 2)
self.log.info("Sync node 2 to node 1 so both have 6 blocks")
self.sync_blocks(self.nodes[1:3])
assert_equal(self.nodes[2].getblockcount(), 6)
self.log.info("Invalidate block 5 on node 1 so its tip is now at 4")
self.nodes[1].invalidateblock(self.nodes[1].getblockhash(5))
assert_equal(self.nodes[1].getblockcount(), 4)
self.log.info("Invalidate block 3 on node 2, so its tip is now 2")
self.nodes[2].invalidateblock(self.nodes[2].getblockhash(3))
assert_equal(self.nodes[2].getblockcount(), 2)
self.log.info("..and then mine a block")
self.generate(self.nodes[2], 1, sync_fun=self.no_op)
self.log.info("Verify all nodes are at the right height")
self.wait_until(lambda: self.nodes[2].getblockcount() == 3, timeout=5)
self.wait_until(lambda: self.nodes[0].getblockcount() == 4, timeout=5)
self.wait_until(lambda: self.nodes[1].getblockcount() == 4, timeout=5)
self.log.info("Verify that we reconsider all ancestors as well")
blocks = self.generatetodescriptor(self.nodes[1], 10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR, sync_fun=self.no_op)
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
# Invalidate the two blocks at the tip
self.nodes[1].invalidateblock(blocks[-1])
self.nodes[1].invalidateblock(blocks[-2])
assert_equal(self.nodes[1].getbestblockhash(), blocks[-3])
# Reconsider only the previous tip
self.nodes[1].reconsiderblock(blocks[-1])
# Should be back at the tip by now
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
self.log.info("Verify that we reconsider all descendants")
blocks = self.generatetodescriptor(self.nodes[1], 10, ADDRESS_BCRT1_UNSPENDABLE_DESCRIPTOR, sync_fun=self.no_op)
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
# Invalidate the two blocks at the tip
self.nodes[1].invalidateblock(blocks[-2])
self.nodes[1].invalidateblock(blocks[-4])
assert_equal(self.nodes[1].getbestblockhash(), blocks[-5])
# Reconsider only the previous tip
self.nodes[1].reconsiderblock(blocks[-4])
# Should be back at the tip by now
assert_equal(self.nodes[1].getbestblockhash(), blocks[-1])
self.log.info("Verify that invalidating an unknown block throws an error")
chain_tips = self.nodes[1].getchaintips()
assert_raises_rpc_error(-5, "Block not found", self.nodes[1].invalidateblock, "00" * 32)
assert_equal(chain_tips, self.nodes[1].getchaintips())
if __name__ == '__main__':
InvalidateTest().main()
|
