1 files changed, 47 insertions, 0 deletions
diff --git a/modules/services/trezord.nix b/modules/services/trezord.nix
new file mode 100644
index 0000000..97db519
--- /dev/null
+++ b/modules/services/trezord.nix
@@ -0,0 +1,47 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+let
+  cfg = config.services.trezord;
+in {
+  # Options copied from:
+  # https://github.com/NixOS/nixpkgs/blob/9d6e454b857fb472fa35fc8b098fa5ac307a0d7d/nixos/modules/services/hardware/trezord.nix#L16
+  options = {
+    services.trezord = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = lib.mdDoc ''
+          Enable Trezor bridge daemon, for use with Trezor hardware wallets.
+        '';
+      };
+
+      emulator.enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = lib.mdDoc ''
+          Enable Trezor emulator support.
+        '';
+       };
+
+      emulator.port = mkOption {
+        type = types.port;
+        default = 21324;
+        description = lib.mdDoc ''
+          Listening port for the Trezor emulator.
+        '';
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    launchd.user.agents.trezord = {
+      serviceConfig = {
+        ProgramArguments = [ "${pkgs.trezord}/bin/trezord-go" ]
+          ++ optionals cfg.emulator.enable [ "-e" (builtins.toString cfg.emulator.port) ];
+        KeepAlive = true;
+        RunAtLoad = true;
+      };
+    };
+  };
+}