code: def get_block_sysfee(self, height, id=None, endpoint=None):
          
          return self._call_endpoint(GET_BLOCK_SYS_FEE, params=[height], id=id, endpoint=endpoint)
docs: Get the system fee of a block by height.  This is used in calculating gas claims
          Args:
              height: (int) height of the block to lookup
              id: (int, optional) id to use for response tracking
              endpoint: (RPCEndpoint, optional) endpoint to specify to use
  
          Returns:
              json object of the result or the error encountered in the RPC call