fix credo case warnings

apps/block_scout_web/lib/block_scout_web/chain.ex

@@ -246,18 +246,22 @@ defmodule BlockScoutWeb.Chain do
   end
 
   defp transaction_from_param(param) do
-    with {:ok, hash} <- string_to_transaction_hash(param) do
-      hash_to_transaction(hash)
-    else
-      :error -> {:error, :not_found}
+    case string_to_transaction_hash(param) do
+      {:ok, hash} ->
+        hash_to_transaction(hash)
+
+      :error ->
+        {:error, :not_found}
     end
   end
 
   defp hash_string_to_block(hash_string) do
-    with {:ok, hash} <- string_to_block_hash(hash_string) do
-      hash_to_block(hash)
-    else
-      :error -> {:error, :not_found}
+    case string_to_block_hash(hash_string) do
+      {:ok, hash} ->
+        hash_to_block(hash)
+
+      :error ->
+        {:error, :not_found}
     end
   end
 end

apps/block_scout_web/lib/block_scout_web/controllers/api/v1/health_controller.ex

@@ -4,10 +4,12 @@ defmodule BlockScoutWeb.API.V1.HealthController do
   alias Explorer.Chain
 
   def health(conn, _) do
-    with {:ok, number, timestamp} <- Chain.last_block_status() do
-      send_resp(conn, :ok, result(number, timestamp))
-    else
-      status -> send_resp(conn, :internal_server_error, error(status))
+    case Chain.last_block_status() do
+      {:ok, number, timestamp} ->
+        send_resp(conn, :ok, result(number, timestamp))
+
+      status ->
+        send_resp(conn, :internal_server_error, error(status))
     end
   end
 

apps/block_scout_web/lib/block_scout_web/controllers/block_transaction_controller.ex

@@ -11,57 +11,57 @@ defmodule BlockScoutWeb.BlockTransactionController do
   alias Phoenix.View
 
   def index(conn, %{"block_hash_or_number" => formatted_block_hash_or_number, "type" => "JSON"} = params) do
-    with {:ok, block} <-
-           param_block_hash_or_number_to_block(formatted_block_hash_or_number, []) do
-      full_options =
-        Keyword.merge(
-          [
-            necessity_by_association: %{
-              :block => :optional,
-              [created_contract_address: :names] => :optional,
-              [from_address: :names] => :required,
-              [to_address: :names] => :optional
-            }
-          ],
-          paging_options(params)
-        )
-
-      transactions_plus_one = Chain.block_to_transactions(block.hash, full_options)
-
-      {transactions, next_page} = split_list_by_page(transactions_plus_one)
-
-      next_page_path =
-        case next_page_params(next_page, transactions, params) do
-          nil ->
-            nil
+    case param_block_hash_or_number_to_block(formatted_block_hash_or_number, []) do
+      {:ok, block} ->
+        full_options =
+          Keyword.merge(
+            [
+              necessity_by_association: %{
+                :block => :optional,
+                [created_contract_address: :names] => :optional,
+                [from_address: :names] => :required,
+                [to_address: :names] => :optional
+              }
+            ],
+            paging_options(params)
+          )
 
-          next_page_params ->
-            block_transaction_path(
-              conn,
-              :index,
-              block,
-              Map.delete(next_page_params, "type")
+        transactions_plus_one = Chain.block_to_transactions(block.hash, full_options)
+
+        {transactions, next_page} = split_list_by_page(transactions_plus_one)
+
+        next_page_path =
+          case next_page_params(next_page, transactions, params) do
+            nil ->
+              nil
+
+            next_page_params ->
+              block_transaction_path(
+                conn,
+                :index,
+                block,
+                Map.delete(next_page_params, "type")
+              )
+          end
+
+        items =
+          transactions
+          |> Enum.map(fn transaction ->
+            View.render_to_string(
+              TransactionView,
+              "_tile.html",
+              transaction: transaction
             )
-        end
-
-      items =
-        transactions
-        |> Enum.map(fn transaction ->
-          View.render_to_string(
-            TransactionView,
-            "_tile.html",
-            transaction: transaction
-          )
-        end)
-
-      json(
-        conn,
-        %{
-          items: items,
-          next_page_path: next_page_path
-        }
-      )
-    else
+          end)
+
+        json(
+          conn,
+          %{
+            items: items,
+            next_page_path: next_page_path
+          }
+        )
+
       {:error, {:invalid, :hash}} ->
         not_found(conn)
 
@@ -80,25 +80,25 @@ defmodule BlockScoutWeb.BlockTransactionController do
   end
 
   def index(conn, %{"block_hash_or_number" => formatted_block_hash_or_number}) do
-    with {:ok, block} <-
-           param_block_hash_or_number_to_block(formatted_block_hash_or_number,
-             necessity_by_association: %{
-               [miner: :names] => :required,
-               :uncles => :optional,
-               :nephews => :optional,
-               :rewards => :optional
-             }
-           ) do
-      block_transaction_count = Chain.block_to_transaction_count(block.hash)
-
-      render(
-        conn,
-        "index.html",
-        block: block,
-        block_transaction_count: block_transaction_count,
-        current_path: current_path(conn)
-      )
-    else
+    case param_block_hash_or_number_to_block(formatted_block_hash_or_number,
+           necessity_by_association: %{
+             [miner: :names] => :required,
+             :uncles => :optional,
+             :nephews => :optional,
+             :rewards => :optional
+           }
+         ) do
+      {:ok, block} ->
+        block_transaction_count = Chain.block_to_transaction_count(block.hash)
+
+        render(
+          conn,
+          "index.html",
+          block: block,
+          block_transaction_count: block_transaction_count,
+          current_path: current_path(conn)
+        )
+
       {:error, {:invalid, :hash}} ->
         not_found(conn)
 
@@ -117,19 +117,23 @@ defmodule BlockScoutWeb.BlockTransactionController do
   end
 
   defp param_block_hash_or_number_to_block("0x" <> _ = param, options) do
-    with {:ok, hash} <- string_to_block_hash(param) do
-      hash_to_block(hash, options)
-    else
-      :error -> {:error, {:invalid, :hash}}
+    case string_to_block_hash(param) do
+      {:ok, hash} ->
+        hash_to_block(hash, options)
+
+      :error ->
+        {:error, {:invalid, :hash}}
     end
   end
 
   defp param_block_hash_or_number_to_block(number_string, options)
        when is_binary(number_string) do
-    with {:ok, number} <- BlockScoutWeb.Chain.param_to_block_number(number_string) do
-      number_to_block(number, options)
-    else
-      {:error, :invalid} -> {:error, {:invalid, :number}}
+    case BlockScoutWeb.Chain.param_to_block_number(number_string) do
+      {:ok, number} ->
+        number_to_block(number, options)
+
+      {:error, :invalid} ->
+        {:error, {:invalid, :number}}
     end
   end
 

apps/explorer/lib/explorer/chain.ex

@@ -2447,9 +2447,10 @@ defmodule Explorer.Chain do
       |> Multi.run(:set_address_verified, &set_address_verified/2)
       |> Repo.transaction()
 
-    with {:ok, %{smart_contract: smart_contract}} <- insert_result do
-      {:ok, smart_contract}
-    else
+    case insert_result do
+      {:ok, %{smart_contract: smart_contract}} ->
+        {:ok, smart_contract}
+
       {:error, :smart_contract, changeset, _} ->
         {:error, changeset}
 
@@ -2919,9 +2920,10 @@ defmodule Explorer.Chain do
       )
       |> Repo.transaction()
 
-    with {:ok, %{token: token}} <- insert_result do
-      {:ok, token}
-    else
+    case insert_result do
+      {:ok, %{token: token}} ->
+        {:ok, token}
+
       {:error, :token, changeset, _} ->
         {:error, changeset}
     end

apps/explorer/lib/explorer/chain/wei.ex

@@ -31,21 +31,25 @@ defmodule Explorer.Chain.Wei do
 
   @impl Ecto.Type
   def cast("0x" <> hex_wei) do
-    with {int_wei, ""} <- Integer.parse(hex_wei, 16) do
-      decimal = Decimal.new(int_wei)
-      {:ok, %__MODULE__{value: decimal}}
-    else
-      _ -> :error
+    case Integer.parse(hex_wei, 16) do
+      {int_wei, ""} ->
+        decimal = Decimal.new(int_wei)
+        {:ok, %__MODULE__{value: decimal}}
+
+      _ ->
+        :error
     end
   end
 
   @impl Ecto.Type
   def cast(string_wei) when is_binary(string_wei) do
-    with {int_wei, ""} <- Integer.parse(string_wei) do
-      decimal = Decimal.new(int_wei)
-      {:ok, %__MODULE__{value: decimal}}
-    else
-      _ -> :error
+    case Integer.parse(string_wei) do
+      {int_wei, ""} ->
+        decimal = Decimal.new(int_wei)
+        {:ok, %__MODULE__{value: decimal}}
+
+      _ ->
+        :error
     end
   end