fix more Nethermind errors

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/block.ex

@@ -75,13 +75,6 @@ defmodule EthereumJSONRPC.Block do
   end
 
   def from_response(%{id: id, result: block}, id_to_params) when is_map(id_to_params) do
-    id =
-      if is_binary(id) do
-        quantity_to_integer(id)
-      else
-        id
-      end
-
     true = Map.has_key?(id_to_params, id)
 
     {:ok, block}

apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/http.ex

@@ -7,6 +7,8 @@ defmodule EthereumJSONRPC.HTTP do
 
   require Logger
 
+  import EthereumJSONRPC, only: [quantity_to_integer: 1]
+
   @behaviour Transport
 
   @doc """
@@ -131,6 +133,14 @@ defmodule EthereumJSONRPC.HTTP do
   # restrict response to only those fields supported by the JSON-RPC 2.0 standard, which means that level of keys is
   # validated, so we can indicate that with switch to atom keys.
   defp standardize_response(%{"jsonrpc" => "2.0" = jsonrpc, "id" => id} = unstandardized) do
+    # Nethermind return string ids
+    id =
+      if is_binary(id) do
+        quantity_to_integer(id)
+      else
+        id
+      end
+
     standardized = %{jsonrpc: jsonrpc, id: id}
 
     case unstandardized do

apps/indexer/lib/indexer/transform/blocks.ex

@@ -65,6 +65,9 @@ defmodule Indexer.Transform.Blocks do
     decode(rest)
   end
 
+  # specific to Nethermind
+  defp decode("0"), do: 0
+
   defp decode(data) do
     Base.decode16!(data, case: :mixed)
   end