RSK hardfork: cumulativeDifficulty

CHANGELOG.md

@@ -18,6 +18,7 @@
 - [#3106](https://github.com/poanetwork/blockscout/pull/3106), [#3115](https://github.com/poanetwork/blockscout/pull/3115) - Fix verification of contracts, created from factory (from internal transaction)
 
 ### Chore
+- [#3137](https://github.com/poanetwork/blockscout/pull/3137) - RSK Papyrus Release v2.0.1 hardfork: cumulativeDifficulty
 - [#3134](https://github.com/poanetwork/blockscout/pull/3134) - Get last value of fetched coinsupply API endpoint from DB if cache is empty
 - [#3124](https://github.com/poanetwork/blockscout/pull/3124) - Display upper border for tx speed if the value cannot be calculated
 

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex

@@ -480,7 +480,7 @@ defmodule EthereumJSONRPC.Block do
   end
 
   defp entry_to_elixir({key, quantity})
-       when key in ~w(difficulty gasLimit gasUsed minimumGasPrice number size totalDifficulty paidFees) and
+       when key in ~w(difficulty gasLimit gasUsed minimumGasPrice number size cumulativeDifficulty totalDifficulty paidFees) and
               not is_nil(quantity) do
     {key, quantity_to_integer(quantity)}
   end