message: [qa] Fix bip9-softforks blockstore issue
diff: # Copyright (c) 2015-2017 The Bitcoin Unlimited developers
  # Distributed under the MIT/X11 software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  -#
  +
  +from test_framework.blockstore import BlockStore
  from test_framework.util import sync_blocks
  from test_framework.test_framework import ComparisonTestFramework
  from test_framework.util import *
  @@ -191,12 +192,15 @@ class BIP9SoftForksTest(ComparisonTestFramework):
  block.solve()
  self.last_block_time += 1
  yield TestInstance([[block, False]])
  +
  # Restart all
  + self.test.block_store.close()
  stop_nodes(self.nodes)
  wait_bitcoinds()
  shutil.rmtree(self.options.tmpdir)
  self.setup_chain()
  self.setup_network()
  + self.test.block_store = BlockStore(self.options.tmpdir)
  self.test.clear_all_connections()
  self.test.add_all_connections(self.nodes)
  NetworkThread().start() # Start up network handling in another thread
  