package execution import ( "github.com/ethereum/go-ethereum/common" "github.com/prysmaticlabs/prysm/v4/beacon-chain/cache" statefeed "github.com/prysmaticlabs/prysm/v4/beacon-chain/core/feed/state" "github.com/prysmaticlabs/prysm/v4/beacon-chain/db" "github.com/prysmaticlabs/prysm/v4/beacon-chain/state" "github.com/prysmaticlabs/prysm/v4/beacon-chain/state/stategen" "github.com/prysmaticlabs/prysm/v4/network" "github.com/prysmaticlabs/prysm/v4/network/authorization" ) type Option func(s *Service) error // WithHttpEndpoint parse http endpoint for the powchain service to use. func WithHttpEndpoint(endpointString string) Option { return func(s *Service) error { s.cfg.currHttpEndpoint = network.HttpEndpoint(endpointString) return nil } } // WithHttpEndpointAndJWTSecret for authenticating the execution node JSON-RPC endpoint. func WithHttpEndpointAndJWTSecret(endpointString string, secret []byte) Option { return func(s *Service) error { if len(secret) == 0 { return nil } // Overwrite authorization type for all endpoints to be of a bearer type. hEndpoint := network.HttpEndpoint(endpointString) hEndpoint.Auth.Method = authorization.Bearer hEndpoint.Auth.Value = string(secret) s.cfg.currHttpEndpoint = hEndpoint return nil } } // WithHeaders adds headers to the execution node JSON-RPC requests. func WithHeaders(headers []string) Option { return func(s *Service) error { s.cfg.headers = headers return nil } } // WithDepositContractAddress for the deposit contract. func WithDepositContractAddress(addr common.Address) Option { return func(s *Service) error { s.cfg.depositContractAddr = addr return nil } } // WithDatabase for the beacon chain database. func WithDatabase(database db.HeadAccessDatabase) Option { return func(s *Service) error { s.cfg.beaconDB = database return nil } } // WithDepositCache for caching deposits. func WithDepositCache(cache cache.DepositCache) Option { return func(s *Service) error { s.cfg.depositCache = cache return nil } } // WithStateNotifier for subscribing to state changes. func WithStateNotifier(notifier statefeed.Notifier) Option { return func(s *Service) error { s.cfg.stateNotifier = notifier return nil } } // WithStateGen to regenerate beacon states from checkpoints. func WithStateGen(gen *stategen.State) Option { return func(s *Service) error { s.cfg.stateGen = gen return nil } } // WithEth1HeaderRequestLimit to set the upper limit of eth1 header requests. func WithEth1HeaderRequestLimit(limit uint64) Option { return func(s *Service) error { s.cfg.eth1HeaderReqLimit = limit return nil } } // WithBeaconNodeStatsUpdater to set the beacon node stats updater. func WithBeaconNodeStatsUpdater(updater BeaconNodeStatsUpdater) Option { return func(s *Service) error { s.cfg.beaconNodeStatsUpdater = updater return nil } } // WithFinalizedStateAtStartup to set the beacon node's finalized state at startup. func WithFinalizedStateAtStartup(st state.BeaconState) Option { return func(s *Service) error { s.cfg.finalizedStateAtStartup = st return nil } } func WithJwtId(jwtId string) Option { return func(s *Service) error { s.cfg.jwtId = jwtId return nil } }