status-im/status-go

package subscriptions

import (
    gethnode "github.com/ethereum/go-ethereum/node"
    "github.com/ethereum/go-ethereum/p2p"
    gethrpc "github.com/ethereum/go-ethereum/rpc"

    "github.com/status-im/status-go/rpc"
)

// Make sure that Service implements gethnode.Lifecycle interface.
var _ gethnode.Lifecycle = (*Service)(nil)

// Service represents our own implementation of personal sign operations.
type Service struct {
    api *API
}

// New returns a new Service.
func New(rpcPrivateClientFunc func() *rpc.Client) *Service {
    return &Service{
        api: NewPublicAPI(rpcPrivateClientFunc),
    }
}

// Protocols returns a new protocols list. In this case, there are none.
func (s *Service) Protocols() []p2p.Protocol {
    return []p2p.Protocol{}
}

// APIs returns a list of new APIs.
func (s *Service) APIs() []gethrpc.API {
    return []gethrpc.API{
        {
            Namespace: "eth",
            Version:   "1.0",
            Service:   s.api,
            Public:    true,
        },
    }
}

// Start is run when a service is started.
func (s *Service) Start() error {
    return nil
}

// Stop is run when a service is stopped.
func (s *Service) Stop() error {
    return s.api.activeSubscriptions.removeAll()
}