build(erigon-portable): Add variant that compiles BLST in portable mode

Author: PetarKirov

modules/erigon/default.nix

@@ -102,6 +102,11 @@ in {
               ${concatStringsSep " \\\n" filteredArgs} \
               ${lib.escapeShellArgs cfg.extraArgs}
             '';
+
+            package =
+              if cfg.blst-portable
+              then pkgs.erigon-blst-portable
+              else cfg.package;
           in
             nameValuePair serviceName (mkIf cfg.enable {
               description = "Erigon Ethereum node (${erigonName})";
@@ -117,7 +122,7 @@ in {
                   ExecStartPre = mkIf cfg.subVolume (mkBefore [
                     "+${scripts.setupSubVolume} /var/lib/private/${serviceName}"
                   ]);
-                  ExecStart = "${cfg.package}/bin/erigon ${scriptArgs}";
+                  ExecStart = "${package}/bin/erigon ${scriptArgs}";
                 }
                 (mkIf (cfg.args.authrpc.jwtsecret != null) {
                   LoadCredential = ["jwtsecret:${cfg.args.authrpc.jwtsecret}"];

modules/erigon/options.nix

@@ -19,6 +19,12 @@
         default = [];
       };
 
+      blst-portable = mkOption {
+        type = types.bool;
+        default = false;
+        description = lib.mdDoc "Make blst library used by erigon build in portable mode. When this option is enabled, the package option is ignored.";
+      };
+
       package = mkOption {
         type = types.package;
         default = pkgs.erigon;

pkgs/default.nix

@@ -32,6 +32,9 @@
       dreamboat = callPackage ./dreamboat {inherit blst;};
       eigenlayer = callPackage ./eigenlayer {};
       erigon = callPackage ./erigon {};
+      erigon-blst-portable = erigon.overrideAttrs (_finalAttrs: _previousAttrs: {
+        CGO_CFLAGS = "-O -D__BLST_PORTABLE__";
+      });
       eth2-testnet-genesis = callPackage ./eth2-testnet-genesis {inherit bls;};
       eth2-val-tools = callPackage ./eth2-val-tools {inherit bls mcl;};
       ethdo = callPackage ./ethdo {inherit bls mcl;};