def METHOD_NAME(self):
    self.alert_filename = os.path.join(self.options.tmpdir, "alert.txt")
    self.block_filename = os.path.join(self.options.tmpdir, "blocks.txt")
    self.tx_filename = os.path.join(self.options.tmpdir, "transactions.txt")
    # -alertnotify and -blocknotify on node0, walletnotify on node1
    self.extra_args = [["-blockfeatures=2",
                        "-alertnotify=echo %%s >> %s" % self.alert_filename,
                        "-blocknotify=echo %%s >> %s" % self.block_filename],
                       ["-blockfeatures=211",
                        "-rescan",
                        "-walletnotify=echo %%s >> %s" % self.tx_filename]]
    super().METHOD_NAME()