WIP: lighthouse setup on zippy.

common/ethereum.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, ... }:
+{
+  sops.secrets.lighthouse_jwt = {
+    sopsFile = ./../secrets/${config.networking.hostName}.yaml;
+  };
+  services.ethereum.lighthouse-beacon.mainnet = {
+    enable = true;
+    #package = pkgs.unstable.lighthouse;
+    args = {
+      execution-endpoint = "http://eth1:8551";
+      execution-jwt = config.sops.secrets.lighthouse_jwt.path;
+      checkpoint-sync-url = "https://beaconstate.info";
+    };
+  };
+  environment.persistence."/persist".directories = [
+    "/var/lib/private/lighthouse-mainnet"
+  ];
+}