added empty step

Author: karan

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex

@@ -440,7 +440,7 @@ defmodule EthereumJSONRPC.Block do
   # hash format
   defp entry_to_elixir({key, _} = entry)
        when key in ~w(author extraData hash logsBloom miner mixHash nonce parentHash receiptsRoot sealFields sha3Uncles
-                     signature stateRoot step transactionsRoot uncles),
+                     signature stateRoot step transactionsRoot uncles emptySteps),
        do: entry
 
   defp entry_to_elixir({"timestamp" = key, timestamp}) do