From 11e9ce199457393225fb02214f3c0ff0898d22bd Mon Sep 17 00:00:00 2001
From: Tino Breddin <t@tolbrino.com>
Date: Mon, 9 Dec 2019 14:03:39 +0100
Subject: [PATCH] Add environment configuration for Nix

---
 default.nix | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 default.nix

diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..3e31823
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,20 @@
+let
+  stable = import (fetchTarball { # 19.09
+    url = https://github.com/NixOS/nixpkgs-channels/archive/a22b0189002.tar.gz;
+    sha256 = "0rgd0cbxg9mrzb830hgjlvy134ivpfcnkyhbnlvvn8vl4y20zqmz";
+  }) {};
+in {
+  aeternityEnv = stable.stdenv.mkDerivation {
+    name = "ecrecover";
+    buildInputs = [
+      ## base
+      stable.stdenv
+      ## erlang
+      stable.erlangR21 # OTP 21.3.5.2
+      ## rust, required for building the NIF
+      stable.rustc
+      stable.cargo
+      stable.cmake
+    ];
+  };
+}