Merge pull request #2961 from poanetwork/vb-handle-memory-output

Add a guard that addresses is enum in `values` function in `read contract` page

CHANGELOG.md

@@ -6,6 +6,7 @@
 - [#2918](https://github.com/poanetwork/blockscout/pull/2918) - Add tokenID for tokentx API action explicitly
 
 ### Fixes
+- [#2961](https://github.com/poanetwork/blockscout/pull/2961) - Add a guard that addresses is enum in `values` function in `read contract` page
 - [#2960](https://github.com/poanetwork/blockscout/pull/2960) - Add BLOCKSCOUT_HOST to docker setup
 - [#2955](https://github.com/poanetwork/blockscout/pull/2955) - Move socket path to env
 - [#2938](https://github.com/poanetwork/blockscout/pull/2938) - utf8 copy tx input tooltip

apps/block_scout_web/lib/block_scout_web/views/smart_contract_view.ex

@@ -10,7 +10,7 @@ defmodule BlockScoutWeb.SmartContractView do
   def named_argument?(%{"name" => _}), do: true
   def named_argument?(_), do: false
 
-  def values(addresses, type) when type == "address[]" do
+  def values(addresses, type) when is_list(addresses) and type == "address[]" do
     addresses
     |> Enum.map(&values(&1, "address"))
     |> Enum.join(", ")