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1 | #!/usr/bin/env python2 | |
2 | # Copyright (c) 2014 The Bitcoin Core developers | |
3 | # Distributed under the MIT software license, see the accompanying | |
4 | # file COPYING or http://www.opensource.org/licenses/mit-license.php. | |
5 | ||
6 | # | |
7 | # Test the BIP66 changeover logic | |
8 | # | |
9 | ||
10 | from test_framework.test_framework import BitcoinTestFramework | |
11 | from test_framework.util import * | |
12 | import os | |
13 | import shutil | |
14 | ||
15 | class BIP66Test(BitcoinTestFramework): | |
16 | ||
17 | def setup_network(self): | |
18 | self.nodes = [] | |
19 | self.nodes.append(start_node(0, self.options.tmpdir, [])) | |
20 | self.nodes.append(start_node(1, self.options.tmpdir, ["-blockversion=2"])) | |
21 | self.nodes.append(start_node(2, self.options.tmpdir, ["-blockversion=3"])) | |
22 | connect_nodes(self.nodes[1], 0) | |
23 | connect_nodes(self.nodes[2], 0) | |
24 | self.is_network_split = False | |
25 | self.sync_all() | |
26 | ||
27 | def run_test(self): | |
28 | cnt = self.nodes[0].getblockcount() | |
29 | ||
30 | # Mine some old-version blocks | |
31 | self.nodes[1].generate(100) | |
32 | self.sync_all() | |
33 | if (self.nodes[0].getblockcount() != cnt + 100): | |
34 | raise AssertionError("Failed to mine 100 version=2 blocks") | |
35 | ||
36 | # Mine 750 new-version blocks | |
37 | for i in xrange(15): | |
38 | self.nodes[2].generate(50) | |
39 | self.sync_all() | |
40 | if (self.nodes[0].getblockcount() != cnt + 850): | |
41 | raise AssertionError("Failed to mine 750 version=3 blocks") | |
42 | ||
43 | # TODO: check that new DERSIG rules are not enforced | |
44 | ||
45 | # Mine 1 new-version block | |
46 | self.nodes[2].generate(1) | |
47 | self.sync_all() | |
48 | if (self.nodes[0].getblockcount() != cnt + 851): | |
49 | raise AssertionFailure("Failed to mine a version=3 blocks") | |
50 | ||
51 | # TODO: check that new DERSIG rules are enforced | |
52 | ||
53 | # Mine 198 new-version blocks | |
54 | for i in xrange(2): | |
55 | self.nodes[2].generate(99) | |
56 | self.sync_all() | |
57 | if (self.nodes[0].getblockcount() != cnt + 1049): | |
58 | raise AssertionError("Failed to mine 198 version=3 blocks") | |
59 | ||
60 | # Mine 1 old-version block | |
61 | self.nodes[1].generate(1) | |
62 | self.sync_all() | |
63 | if (self.nodes[0].getblockcount() != cnt + 1050): | |
64 | raise AssertionError("Failed to mine a version=2 block after 949 version=3 blocks") | |
65 | ||
66 | # Mine 1 new-version blocks | |
67 | self.nodes[2].generate(1) | |
68 | self.sync_all() | |
69 | if (self.nodes[0].getblockcount() != cnt + 1051): | |
70 | raise AssertionError("Failed to mine a version=3 block") | |
71 | ||
72 | # Mine 1 old-version blocks | |
73 | try: | |
74 | self.nodes[1].generate(1) | |
75 | raise AssertionError("Succeeded to mine a version=2 block after 950 version=3 blocks") | |
76 | except JSONRPCException: | |
77 | pass | |
78 | self.sync_all() | |
79 | if (self.nodes[0].getblockcount() != cnt + 1051): | |
80 | raise AssertionError("Accepted a version=2 block after 950 version=3 blocks") | |
81 | ||
82 | # Mine 1 new-version blocks | |
83 | self.nodes[2].generate(1) | |
84 | self.sync_all() | |
85 | if (self.nodes[0].getblockcount() != cnt + 1052): | |
86 | raise AssertionError("Failed to mine a version=3 block") | |
87 | ||
88 | if __name__ == '__main__': | |
89 | BIP66Test().main() |