From 5712bea91b1b5f01859a870c212ec520d644dc63 Mon Sep 17 00:00:00 2001
From: Marek Mahut <marek.mahut@gmail.com>
Date: Fri, 16 Aug 2019 16:58:48 +0200
Subject: [PATCH] trezord: adding emultor support

---
 nixos/modules/services/hardware/trezord.nix | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/hardware/trezord.nix b/nixos/modules/services/hardware/trezord.nix
index c06a0665d02f..bb55cc2a9ad1 100644
--- a/nixos/modules/services/hardware/trezord.nix
+++ b/nixos/modules/services/hardware/trezord.nix
@@ -16,6 +16,22 @@ in {
           Enable Trezor bridge daemon, for use with Trezor hardware bitcoin wallets.
         '';
       };
+
+      emulator.enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Enable Trezor emulator support.
+          '';
+       };
+
+      emulator.port = mkOption {
+        type = types.port;
+        default = 21324;
+        description = ''
+          Listening port for the Trezor emulator.
+          '';
+      };
     };
   };
   
@@ -44,7 +60,7 @@ in {
       path = [];
       serviceConfig = {
         Type = "simple";
-        ExecStart = "${pkgs.trezord}/bin/trezord-go";
+        ExecStart = "${pkgs.trezord}/bin/trezord-go ${optionalString cfg.emulator.enable "-e ${builtins.toString cfg.emulator.port}"}";
         User = "trezord";
       };
     };