code: def republish(self, hash, count=None, sources=None, destinations=None):
          
  
          hash = self._process_value(hash, 'block')
  
          payload = {"hash": hash}
  
          if count is not None:
              payload['count'] = self._process_value(count, 'int')
  
          if sources is not None:
              payload['sources'] = self._process_value(sources, 'int')
  
          if destinations is not None:
              payload['destinations'] = self._process_value(destinations, 'int')
  
          resp = self.call('republish', payload)
  
          return resp.get('blocks') or []
docs: Rebroadcast blocks starting at **hash** to the network
  
          :param hash: Hash of block to start rebroadcasting from
          :type hash: str
  
          :param count: Max number of blocks to rebroadcast
          :type count: int
  
          :param sources: If set, additionally rebroadcasts source chain blocks
                          for receive/open up to **sources** depth
          :type sources: int
  
          :param destinations: If set, additionally rebroadcasts destination chain
                               blocks for receive/open up to **destinations** depth
          :type destinations: int
  
          :raises: :py:exc:`nano.rpc.RPCException`
  
          >>> rpc.republish(
          ...     hash="991CF190094C00F0B68E2E5F75F6BEE95A2E0BD93CEAA4A6734DB9F19B728948"
          ... )
          [
              "991CF190094C00F0B68E2E5F75F6BEE95A2E0BD93CEAA4A6734DB9F19B728948",
              "A170D51B94E00371ACE76E35AC81DC9405D5D04D4CEBC399AEACE07AE05DD293"
          ]