Move FakeAdapter switch out of module attribute

apps/explorer_web/lib/explorer_web/controllers/chain_controller.ex

@@ -6,9 +6,14 @@ defmodule ExplorerWeb.ChainController do
   alias Explorer.ExchangeRates.Token
   alias Explorer.Market
 
-  @address_count_module Application.get_env(:explorer_web, :fake_adapter) || Chain
-
   def show(conn, _params) do
+    address_count_module = Application.get_env(:explorer_web, :fake_adapter) || Chain
+
+    blocks =
+      [paging_options: %PagingOptions{page_size: 4}]
+      |> Chain.list_blocks()
+      |> Repo.preload([:miner, :transactions])
+
     transaction_estimated_count = Chain.transaction_estimated_count()
 
     transactions =
@@ -21,15 +26,10 @@ defmodule ExplorerWeb.ChainController do
         paging_options: %PagingOptions{page_size: 5}
       )
 
-    blocks =
-      [paging_options: %PagingOptions{page_size: 4}]
-      |> Chain.list_blocks()
-      |> Repo.preload([:miner, :transactions])
-
     render(
       conn,
       "show.html",
-      address_estimated_count: @address_count_module.address_estimated_count(),
+      address_estimated_count: address_count_module.address_estimated_count(),
       average_block_time: Chain.average_block_time(),
       blocks: blocks,
       exchange_rate: Market.get_exchange_rate(Explorer.coin()) || Token.null(),

apps/explorer_web/lib/explorer_web/notifier.ex

@@ -8,10 +8,9 @@ defmodule ExplorerWeb.Notifier do
   alias Explorer.ExchangeRates.Token
   alias ExplorerWeb.Endpoint
 
-  @address_count_module Application.get_env(:explorer_web, :fake_adapter) || Chain
-
   def handle_event({:chain_event, :addresses, addresses}) do
-    Endpoint.broadcast("addresses:new_address", "count", %{count: @address_count_module.address_estimated_count()})
+    address_count_module = Application.get_env(:explorer_web, :fake_adapter) || Chain
+    Endpoint.broadcast("addresses:new_address", "count", %{count: address_count_module.address_estimated_count()})
 
     addresses
     |> Stream.reject(fn %Address{fetched_balance: fetched_balance} -> is_nil(fetched_balance) end)