feature_fastprune.py raw

   1  #!/usr/bin/env python3
   2  # Copyright (c) 2023-present 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 fastprune mode."""
   6  from test_framework.test_framework import BitcoinTestFramework
   7  from test_framework.util import (
   8      assert_equal
   9  )
  10  from test_framework.wallet import MiniWallet
  11  
  12  
  13  class FeatureFastpruneTest(BitcoinTestFramework):
  14      def set_test_params(self):
  15          self.num_nodes = 1
  16          self.extra_args = [["-fastprune"]]
  17  
  18      def run_test(self):
  19          self.log.info("ensure that large blocks don't crash or freeze in -fastprune")
  20          wallet = MiniWallet(self.nodes[0])
  21          tx = wallet.create_self_transfer()['tx']
  22          annex = b"\x50" + b"\xff" * 0x10000
  23          tx.wit.vtxinwit[0].scriptWitness.stack.append(annex)
  24          self.generateblock(self.nodes[0], output="raw(55)", transactions=[tx.serialize().hex()])
  25          assert_equal(self.nodes[0].getblockcount(), 201)
  26  
  27  
  28  if __name__ == '__main__':
  29      FeatureFastpruneTest(__file__).main()
  30