Multiclient E2E With Lighthouse (#10020)

* save work

* current progress

* fix it more

* save progress

* fixes so far

* add signature test

* fix up changes so far

* change to latest

* update lighthouse version

* fix build

* fix again

* do one

* clean up

* fix build

* fix it

* fix test

* change tag

* remove e2e

* Update config/params/testnet_e2e_config.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* update

* Update sha

Co-authored-by: Radosław Kapka <rkapka@wp.pl>
Co-authored-by: Raul Jordan <raul@prysmaticlabs.com>
Co-authored-by: prestonvanloon <preston@prysmaticlabs.com>

cmd/config.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	fieldparams "github.com/prysmaticlabs/prysm/config/fieldparams"
 	"github.com/prysmaticlabs/prysm/config/params"
 	"github.com/urfave/cli/v2"
 )
@@ -66,8 +67,14 @@ func newConfig(ctx *cli.Context) *Flags {
 	}
 	if ctx.Bool(E2EConfigFlag.Name) {
 		log.Warn("Using end-to-end testing config")
-		cfg.MinimalConfig = true
-		params.UseE2EConfig()
+		switch fieldparams.Preset {
+		case "mainnet":
+			params.UseE2EMainnetConfig()
+		case "minimal":
+			params.UseE2EConfig()
+		default:
+			log.Fatalf("Unrecognized preset being used: %s", fieldparams.Preset)
+		}
 	}
 	return cfg
 }