def get_block_hash(self, height, id=None, endpoint=None):
        """
        Get hash of a block by its height
        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
        """
        return self._call_endpoint(GET_BLOCK_HASH, params=[height], id=id, endpoint=endpoint)