example of using ex-multihash #8

lib/cid.ex

@@ -21,15 +21,13 @@ defmodule Cid do
   end
 
   def make(input, length \\ 32) do
-    # dogma requires this extra line ... =(
-    hash = :crypto.hash(:sha512, input)
-    # so alpha numeric characters with UPPERCASE, lowercase and 0-9
-    # "ambiguous" chars are removed:
-    hash
+    hash1 = :crypto.hash(:sha512, input)
+    {:ok, <<_multihash_code, _length, hash2::binary>>} = Multihash.encode(:sha2_512, hash1)
+
+    hash2
     |> Base.encode64()
     |> String.replace(~r/[Il0oO=\/\+]/, "", global: true)
     |> String.slice(0..(length - 1))
-    # |> String.length()
   end
 
   def stringify_map_values(input_map) do

mix.exs

@@ -21,8 +21,7 @@ defmodule Rid.MixProject do
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [
-      # {:dep_from_hexpm, "~> 0.3.0"},
-      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
+      {:ex_multihash, "~> 2.0"}
     ]
   end
 end

mix.lock

@@ -0,0 +1,3 @@
+%{
+  "ex_multihash": {:hex, :ex_multihash, "2.0.0", "7fb36f842a2ec1c6bbba550f28fcd16d3c62981781b9466c9c1975c43d7db43c", [:mix], [], "hexpm"},
+}