package params import ( "fmt" ) type Option func(*BeaconChainConfig) func WithGenesisValidatorsRoot(gvr [32]byte) Option { return func(cfg *BeaconChainConfig) { cfg.GenesisValidatorsRoot = gvr log.WithField("genesisValidatorsRoot", fmt.Sprintf("%#x", gvr)).Info("Setting genesis validators root") } }