feat: Support snake_case in metadata service (#10722)

apps/block_scout_web/lib/block_scout_web/views/api/v2/proxy/metadata_view.ex

@@ -3,8 +3,8 @@ defmodule BlockScoutWeb.API.V2.Proxy.MetadataView do
 
   alias BlockScoutWeb.API.V2.AddressView
 
-  def render("addresses.json", %{result: {:ok, %{"addresses" => addresses} = body}}) do
+  def render("addresses.json", %{result: {:ok, %{"items" => addresses} = body}}) do
-    Map.put(body, "addresses", Enum.map(addresses, &AddressView.prepare_address/1))
+    Map.put(body, "items", Enum.map(addresses, &AddressView.prepare_address/1))
   end
 
   def render("addresses.json", %{result: :error}) do

apps/explorer/lib/explorer/microservice_interfaces/metadata.ex

@@ -22,8 +22,8 @@ defmodule Explorer.MicroserviceInterfaces.Metadata do
     with :ok <- Microservice.check_enabled(__MODULE__) do
       body = %{
         addresses: Enum.join(addresses, ","),
-        tagsLimit: @tags_per_address_limit,
+        tags_limit: @tags_per_address_limit,
-        chainId: Application.get_env(:block_scout_web, :chain_id)
+        chain_id: Application.get_env(:block_scout_web, :chain_id)
       }
 
       http_get_request(addresses_metadata_url(), body)
@@ -38,8 +38,8 @@ defmodule Explorer.MicroserviceInterfaces.Metadata do
     with :ok <- Microservice.check_enabled(__MODULE__) do
       params =
         params
-        |> Map.put("pageSize", @page_size)
+        |> Map.put("page_size", @page_size)
-        |> Map.put("chainId", Application.get_env(:block_scout_web, :chain_id))
+        |> Map.put("chain_id", Application.get_env(:block_scout_web, :chain_id))
 
       http_get_request_for_proxy_method(addresses_url(), params, &prepare_addresses_response/1)
     end
@@ -136,11 +136,11 @@ defmodule Explorer.MicroserviceInterfaces.Metadata do
     Map.put(tag, "meta", Jason.decode!(meta))
   end
 
-  defp prepare_addresses_response({:ok, %{"addresses" => addresses} = response}) do
+  defp prepare_addresses_response({:ok, %{"items" => addresses} = response}) do
     {:ok,
      Map.put(
        response,
-       "addresses",
+       "items",
        addresses
        |> Chain.hashes_to_addresses(
          necessity_by_association: %{names: :optional, smart_contract: :optional, proxy_implementations: :optional}