defmodule ConfigHelper do def hackney_options() do basic_auth_user = System.get_env("ETHEREUM_JSONRPC_USER", "") basic_auth_pass = System.get_env("ETHEREUM_JSONRPC_PASSWORD", nil) [pool: :ethereum_jsonrpc] |> (&if(System.get_env("ETHEREUM_JSONRPC_HTTP_INSECURE", "") == "true", do: [:insecure] ++ &1, else: &1)).() |> (&if(basic_auth_user != "" && !is_nil(basic_auth_pass), do: [basic_auth: {basic_auth_user, basic_auth_pass}] ++ &1, else: &1 )).() end end