frontend

type AdminBackend interface {
	Start(ctx context.Context) error
	Stop(ctx context.Context) error
}

type AdminFrontend struct {
	Supervisor Backend
}

type Backend interface {
	AdminBackend
	QueryBackend
}

type QueryBackend interface {
	CheckMessage(identifier types.Identifier, payloadHash common.Hash) (types.SafetyLevel, error)
	CheckBlock(chainID *hexutil.U256, blockHash common.Hash, blockNumber hexutil.Uint64) (types.SafetyLevel, error)
}

type QueryFrontend struct {
	Supervisor QueryBackend
}