feat(pkgs): Add nimbus package from status-im/nimbus-eth2 repo

Author: MartinNikov

flake.lock

@@ -56,6 +56,11 @@
       url = "github:nix-community/fenix";
       inputs.nixpkgs.follows = "nixpkgs-unstable";
     };
+
+    nimbus = {
+      url = "git+https://github.com/status-im/nimbus-eth2?submodules=1";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
   };
 
   outputs = inputs @ {

flake.nix

@@ -22,7 +22,7 @@
 
       package = mkOption {
         type = types.package;
-        default = pkgs.nimbus;
+        default = pkgs.nimbus-eth2;
         defaultText = literalExpression "pkgs.nimbus";
         description = "Package to use for Nimbus Beacon Node binary";
       };

modules/nimbus-eth2/options.nix

@@ -1,6 +1,7 @@
 {
   lib,
   pkgs,
+  self',
   ...
 }: let
   modulesLib = import ../lib.nix lib;
@@ -117,7 +118,7 @@ in {
 
     binaryName =
       if cfg.args.network == "gnosis" || cfg.args.network == "chiado"
-      then "${cfg.package}/bin/nimbus_beacon_node_gnosis"
+      then "${self'.packages.nimbus}/bin/nimbus_beacon_node_gnosis"
       else "${cfg.package}/bin/nimbus_beacon_node";
 
     # When running trustedNodeSync after passing once, it gives an error

modules/nimbus-eth2/service-args.nix

@@ -97,6 +97,7 @@
       vscode-plugin-consensys-vscode-solidity-visual-editor = callPackage ./consensys.vscode-solidity-auditor {};
       web3signer = callPackage ./web3signer {};
       zcli = callPackage ./zcli {};
+      nimbus-eth2 = inputs.nimbus.packages.${system}.beacon_node;
     };
 
     apps = platformApps self'.packages {