From 874d1fa1643244fa228ea5d41c9361c94f1b54a7 Mon Sep 17 00:00:00 2001
From: Lars Bahner <lars.bahner@gmail.com>
Date: Sun, 23 Jul 2023 04:32:19 +0200
Subject: [PATCH] WIP: add response helpers

---
 lib/ex_ipfs/utils.ex | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/ex_ipfs/utils.ex b/lib/ex_ipfs/utils.ex
index e2568e8..cbfab7d 100644
--- a/lib/ex_ipfs/utils.ex
+++ b/lib/ex_ipfs/utils.ex
@@ -241,4 +241,20 @@ defmodule ExIpfs.Utils do
       _ -> data
     end
   end
+   
+   def map_has_keys?(response, expected_keys) do
+    if Enum.all?(expected_keys, &Map.has_key?(response, &1)) do
+      response
+    else
+      raise ArgumentError, message: "Missing some of #{inspect(expected_keys)} in response from IPFS API"
+    end
+  end
+
+  def map_get_key!(response, key) do
+    case response do
+      %{^key => value} -> value
+      _ -> raise ArgumentError, message: "Problem extracting #{inspect(key)} from response from IPFS API"
+    end
+  end
+
 end