test/functional/bipdersig.py

   1 #!/usr/bin/env python3
   2 # Copyright (c) 2014-2016 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 """Test the BIP66 changeover logic."""
   6
   7 from test_framework.test_framework import BitcoinTestFramework
   8 from test_framework.util import *
   9
  10 class BIP66Test(BitcoinTestFramework):
  11     def __init__(self):
  12         super().__init__()
  13         self.num_nodes = 3
  14         self.setup_clean_chain = False
  15         self.extra_args = [[], ["-blockversion=2"], ["-blockversion=3"]]
  16
  17     def setup_network(self):
  18         self.setup_nodes()
  19         connect_nodes(self.nodes[1], 0)
  20         connect_nodes(self.nodes[2], 0)
  21         self.sync_all()
  22
  23     def run_test(self):
  24         cnt = self.nodes[0].getblockcount()
  25
  26         # Mine some old-version blocks
  27         self.nodes[1].generate(100)
  28         self.sync_all()
  29         if (self.nodes[0].getblockcount() != cnt + 100):
  30             raise AssertionError("Failed to mine 100 version=2 blocks")
  31
  32         # Mine 750 new-version blocks
  33         for i in range(15):
  34             self.nodes[2].generate(50)
  35         self.sync_all()
  36         if (self.nodes[0].getblockcount() != cnt + 850):
  37             raise AssertionError("Failed to mine 750 version=3 blocks")
  38
  39         # TODO: check that new DERSIG rules are not enforced
  40
  41         # Mine 1 new-version block
  42         self.nodes[2].generate(1)
  43         self.sync_all()
  44         if (self.nodes[0].getblockcount() != cnt + 851):
  45             raise AssertionError("Failed to mine a version=3 blocks")
  46
  47         # TODO: check that new DERSIG rules are enforced
  48
  49         # Mine 198 new-version blocks
  50         for i in range(2):
  51             self.nodes[2].generate(99)
  52         self.sync_all()
  53         if (self.nodes[0].getblockcount() != cnt + 1049):
  54             raise AssertionError("Failed to mine 198 version=3 blocks")
  55
  56         # Mine 1 old-version block
  57         self.nodes[1].generate(1)
  58         self.sync_all()
  59         if (self.nodes[0].getblockcount() != cnt + 1050):
  60             raise AssertionError("Failed to mine a version=2 block after 949 version=3 blocks")
  61
  62         # Mine 1 new-version blocks
  63         self.nodes[2].generate(1)
  64         self.sync_all()
  65         if (self.nodes[0].getblockcount() != cnt + 1051):
  66             raise AssertionError("Failed to mine a version=3 block")
  67
  68         # Mine 1 old-version blocks. This should fail
  69         assert_raises_jsonrpc(-1, "CreateNewBlock: TestBlockValidity failed: bad-version(0x00000002)", self.nodes[1].generate, 1)
  70         self.sync_all()
  71         if (self.nodes[0].getblockcount() != cnt + 1051):
  72             raise AssertionError("Accepted a version=2 block after 950 version=3 blocks")
  73
  74         # Mine 1 new-version blocks
  75         self.nodes[2].generate(1)
  76         self.sync_all()
  77         if (self.nodes[0].getblockcount() != cnt + 1052):
  78             raise AssertionError("Failed to mine a version=3 block")
  79
  80 if __name__ == '__main__':
  81     BIP66Test().main()