code: def pushtx(tx, api_code=None):
      
      params = {'tx': tx}
      if api_code is not None:
          params['api_code'] = api_code
      util.call_api('pushtx', params)
docs: Push a hex encoded transaction to the network.
      
      :param str tx: hex encoded transaction
      :param str api_code: Blockchain.info API code (optional)