def add_options(self, parser):
    parser.add_option('--mineblock', dest='mine_block', default=False, action='store_true', help='Test double-spend of 1-confirmed transaction')
def add_options(self, parser):
    parser.add_option('--mineblock', dest='mine_block', default=False, action='store_true', help='Test double-spend of 1-confirmed transaction')