Fix condition for external rewards

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/besu/fetched_beneficiaries.ex

@@ -171,7 +171,7 @@ defmodule EthereumJSONRPC.Besu.FetchedBeneficiaries do
   # The rewardType "uncle" will show reward for validating an uncle block
   defp get_address_type(reward_type, index) when reward_type == "external" and index == 0, do: :validator
   defp get_address_type(reward_type, index) when reward_type == "external" and index == 1, do: :emission_funds
-  defp get_address_type(reward_type, index) when reward_type == "external" and index > 2, do: :validator
+  defp get_address_type(reward_type, index) when reward_type == "external" and index >= 2, do: :validator
   defp get_address_type(reward_type, _index) when reward_type == "block", do: :validator
   defp get_address_type(reward_type, _index) when reward_type == "uncle", do: :uncle
   defp get_address_type(reward_type, _index) when reward_type == "emptyStep", do: :validator