code: def block_stat(self, multihash, **kwargs):
          
          args = (multihash,)
          return self._client.request('/block/stat', args,
                                      decoder='json', **kwargs)
docs: Returns a dict with the size of the block with the given hash.
  
          .. code-block:: python
  
              >>> c.block_stat('QmTkzDwWqPbnAh5YiV5VwcTLnGdwSNsNTn2aDxdXBFca7D')
              {'Key':  'QmTkzDwWqPbnAh5YiV5VwcTLnGdwSNsNTn2aDxdXBFca7D',
               'Size': 258}
  
          Parameters
          ----------
          multihash : str
              The base58 multihash of an existing block to stat
  
          Returns
          -------
              dict : Information about the requested block