699 lines
20 KiB
Go
699 lines
20 KiB
Go
package node
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import (
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"encoding/json"
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"errors"
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"fmt"
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"reflect"
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"time"
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"github.com/status-im/status-go/server"
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"github.com/status-im/status-go/signal"
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"github.com/status-im/status-go/transactions"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/p2p/enode"
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gethrpc "github.com/ethereum/go-ethereum/rpc"
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"github.com/status-im/status-go/appmetrics"
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"github.com/status-im/status-go/common"
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gethbridge "github.com/status-im/status-go/eth-node/bridge/geth"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/logutils"
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"github.com/status-im/status-go/mailserver"
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"github.com/status-im/status-go/multiaccounts/accounts"
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"github.com/status-im/status-go/params"
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"github.com/status-im/status-go/rpc"
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accountssvc "github.com/status-im/status-go/services/accounts"
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appmetricsservice "github.com/status-im/status-go/services/appmetrics"
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"github.com/status-im/status-go/services/browsers"
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"github.com/status-im/status-go/services/chat"
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"github.com/status-im/status-go/services/communitytokens"
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"github.com/status-im/status-go/services/ens"
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"github.com/status-im/status-go/services/ext"
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"github.com/status-im/status-go/services/gif"
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localnotifications "github.com/status-im/status-go/services/local-notifications"
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"github.com/status-im/status-go/services/mailservers"
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"github.com/status-im/status-go/services/peer"
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"github.com/status-im/status-go/services/permissions"
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"github.com/status-im/status-go/services/personal"
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"github.com/status-im/status-go/services/rpcfilters"
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"github.com/status-im/status-go/services/rpcstats"
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"github.com/status-im/status-go/services/status"
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"github.com/status-im/status-go/services/stickers"
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"github.com/status-im/status-go/services/subscriptions"
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"github.com/status-im/status-go/services/updates"
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"github.com/status-im/status-go/services/wakuext"
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"github.com/status-im/status-go/services/wakuv2ext"
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"github.com/status-im/status-go/services/wallet"
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"github.com/status-im/status-go/services/wallet/thirdparty"
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"github.com/status-im/status-go/services/wallet/transfer"
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"github.com/status-im/status-go/services/web3provider"
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"github.com/status-im/status-go/timesource"
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"github.com/status-im/status-go/waku"
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wakucommon "github.com/status-im/status-go/waku/common"
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"github.com/status-im/status-go/wakuv2"
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)
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var (
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// ErrWakuClearIdentitiesFailure clearing whisper identities has failed.
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ErrWakuClearIdentitiesFailure = errors.New("failed to clear waku identities")
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// ErrRPCClientUnavailable is returned if an RPC client can't be retrieved.
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// This is a normal situation when a node is stopped.
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ErrRPCClientUnavailable = errors.New("JSON-RPC client is unavailable")
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)
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func (b *StatusNode) initServices(config *params.NodeConfig, mediaServer *server.MediaServer) error {
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accountsFeed := &event.Feed{}
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accDB, err := accounts.NewDB(b.appDB)
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if err != nil {
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return err
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}
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services := []common.StatusService{}
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services = appendIf(config.UpstreamConfig.Enabled, services, b.rpcFiltersService())
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services = append(services, b.subscriptionService())
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services = append(services, b.rpcStatsService())
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services = append(services, b.appmetricsService())
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services = append(services, b.peerService())
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services = append(services, b.personalService())
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services = append(services, b.statusPublicService())
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services = append(services, b.pendingTrackerService(&b.walletFeed))
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services = append(services, b.ensService(b.timeSourceNow()))
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services = append(services, b.CommunityTokensService())
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services = append(services, b.stickersService(accDB))
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services = append(services, b.updatesService())
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services = appendIf(b.appDB != nil && b.multiaccountsDB != nil, services, b.accountsService(accountsFeed, accDB, mediaServer))
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services = appendIf(config.BrowsersConfig.Enabled, services, b.browsersService())
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services = appendIf(config.PermissionsConfig.Enabled, services, b.permissionsService())
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services = appendIf(config.MailserversConfig.Enabled, services, b.mailserversService())
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services = appendIf(config.Web3ProviderConfig.Enabled, services, b.providerService(accDB))
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services = append(services, b.gifService(accDB))
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services = append(services, b.ChatService(accDB))
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// Wallet Service is used by wakuExtSrvc/wakuV2ExtSrvc
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// Keep this initialization before the other two
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if config.WalletConfig.Enabled {
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walletService := b.walletService(accDB, accountsFeed, &b.walletFeed)
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services = append(services, walletService)
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}
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// CollectiblesManager needs the WakuExt service to get metadata for
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// Community collectibles.
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// Messenger needs the CollectiblesManager to get the list of collectibles owned
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// by a certain account and check community entry permissions.
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// We handle circular dependency between the two by delaying ininitalization of the CollectibleMetadataProvider
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// in the CollectiblesManager.
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if config.WakuConfig.Enabled {
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wakuService, err := b.wakuService(&config.WakuConfig, &config.ClusterConfig)
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if err != nil {
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return err
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}
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services = append(services, wakuService)
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wakuext, err := b.wakuExtService(config)
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if err != nil {
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return err
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}
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b.wakuExtSrvc = wakuext
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services = append(services, wakuext)
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b.SetWalletCollectibleMetadataProvider(wakuext)
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b.SetWalletCollectibleCommunityInfoProvider(wakuext)
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}
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if config.WakuV2Config.Enabled {
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telemetryServerURL := ""
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if accDB.DB() != nil {
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telemetryServerURL, err = accDB.GetTelemetryServerURL()
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if err != nil {
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return err
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}
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}
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waku2Service, err := b.wakuV2Service(config, telemetryServerURL)
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if err != nil {
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return err
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}
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services = append(services, waku2Service)
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wakuext, err := b.wakuV2ExtService(config)
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if err != nil {
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return err
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}
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b.wakuV2ExtSrvc = wakuext
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services = append(services, wakuext)
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b.SetWalletCollectibleMetadataProvider(wakuext)
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b.SetWalletCollectibleCommunityInfoProvider(wakuext)
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}
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// We ignore for now local notifications flag as users who are upgrading have no mean to enable it
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lns, err := b.localNotificationsService(config.NetworkID)
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if err != nil {
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return err
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}
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services = append(services, lns)
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b.peerSrvc.SetDiscoverer(b)
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for i := range services {
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b.RegisterLifecycle(services[i])
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}
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b.services = services
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return nil
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}
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func (b *StatusNode) RegisterLifecycle(s common.StatusService) {
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b.addPublicMethods(s.APIs())
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b.gethNode.RegisterAPIs(s.APIs())
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b.gethNode.RegisterProtocols(s.Protocols())
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b.gethNode.RegisterLifecycle(s)
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}
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// Add through reflection a list of public methods so we can check when the
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// user makes a call if they are allowed
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func (b *StatusNode) addPublicMethods(apis []gethrpc.API) {
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for _, api := range apis {
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if api.Public {
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addSuitableCallbacks(reflect.ValueOf(api.Service), api.Namespace, b.publicMethods)
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}
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}
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}
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func (b *StatusNode) nodeBridge() types.Node {
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return gethbridge.NewNodeBridge(b.gethNode, b.wakuSrvc, b.wakuV2Srvc)
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}
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func (b *StatusNode) wakuExtService(config *params.NodeConfig) (*wakuext.Service, error) {
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if b.gethNode == nil {
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return nil, errors.New("geth node not initialized")
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}
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if b.wakuExtSrvc == nil {
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b.wakuExtSrvc = wakuext.New(*config, b.nodeBridge(), b.rpcClient, ext.EnvelopeSignalHandler{}, b.db)
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}
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b.wakuExtSrvc.SetP2PServer(b.gethNode.Server())
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return b.wakuExtSrvc, nil
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}
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func (b *StatusNode) wakuV2ExtService(config *params.NodeConfig) (*wakuv2ext.Service, error) {
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if b.gethNode == nil {
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return nil, errors.New("geth node not initialized")
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}
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if b.wakuV2ExtSrvc == nil {
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b.wakuV2ExtSrvc = wakuv2ext.New(*config, b.nodeBridge(), b.rpcClient, ext.EnvelopeSignalHandler{}, b.db)
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}
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b.wakuV2ExtSrvc.SetP2PServer(b.gethNode.Server())
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return b.wakuV2ExtSrvc, nil
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}
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func (b *StatusNode) statusPublicService() *status.Service {
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if b.statusPublicSrvc == nil {
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b.statusPublicSrvc = status.New()
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}
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return b.statusPublicSrvc
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}
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func (b *StatusNode) StatusPublicService() *status.Service {
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return b.statusPublicSrvc
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}
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func (b *StatusNode) AccountService() *accountssvc.Service {
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return b.accountsSrvc
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}
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func (b *StatusNode) BrowserService() *browsers.Service {
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return b.browsersSrvc
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}
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func (b *StatusNode) EnsService() *ens.Service {
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return b.ensSrvc
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}
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func (b *StatusNode) WakuService() *waku.Waku {
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return b.wakuSrvc
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}
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func (b *StatusNode) WakuExtService() *wakuext.Service {
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return b.wakuExtSrvc
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}
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func (b *StatusNode) WakuV2ExtService() *wakuv2ext.Service {
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return b.wakuV2ExtSrvc
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}
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func (b *StatusNode) WakuV2Service() *wakuv2.Waku {
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return b.wakuV2Srvc
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}
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func (b *StatusNode) wakuService(wakuCfg *params.WakuConfig, clusterCfg *params.ClusterConfig) (*waku.Waku, error) {
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if b.wakuSrvc == nil {
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cfg := &waku.Config{
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MaxMessageSize: wakucommon.DefaultMaxMessageSize,
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BloomFilterMode: wakuCfg.BloomFilterMode,
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FullNode: wakuCfg.FullNode,
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SoftBlacklistedPeerIDs: wakuCfg.SoftBlacklistedPeerIDs,
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MinimumAcceptedPoW: params.WakuMinimumPoW,
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EnableConfirmations: wakuCfg.EnableConfirmations,
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}
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if wakuCfg.MaxMessageSize > 0 {
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cfg.MaxMessageSize = wakuCfg.MaxMessageSize
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}
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if wakuCfg.MinimumPoW > 0 {
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cfg.MinimumAcceptedPoW = wakuCfg.MinimumPoW
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}
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w := waku.New(cfg, logutils.ZapLogger())
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if wakuCfg.EnableRateLimiter {
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r := wakuRateLimiter(wakuCfg, clusterCfg)
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w.RegisterRateLimiter(r)
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}
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if timesource := b.timeSource(); timesource != nil {
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w.SetTimeSource(timesource.Now)
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}
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// enable mail service
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if wakuCfg.EnableMailServer {
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if err := registerWakuMailServer(w, wakuCfg); err != nil {
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return nil, fmt.Errorf("failed to register WakuMailServer: %v", err)
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}
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}
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if wakuCfg.LightClient {
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emptyBloomFilter := make([]byte, 64)
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if err := w.SetBloomFilter(emptyBloomFilter); err != nil {
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return nil, err
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}
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}
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b.wakuSrvc = w
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}
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return b.wakuSrvc, nil
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}
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func (b *StatusNode) wakuV2Service(nodeConfig *params.NodeConfig, telemetryServerURL string) (*wakuv2.Waku, error) {
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if b.wakuV2Srvc == nil {
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cfg := &wakuv2.Config{
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MaxMessageSize: wakucommon.DefaultMaxMessageSize,
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Host: nodeConfig.WakuV2Config.Host,
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Port: nodeConfig.WakuV2Config.Port,
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LightClient: nodeConfig.WakuV2Config.LightClient,
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KeepAliveInterval: nodeConfig.WakuV2Config.KeepAliveInterval,
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Rendezvous: nodeConfig.Rendezvous,
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WakuNodes: nodeConfig.ClusterConfig.WakuNodes,
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PeerExchange: nodeConfig.WakuV2Config.PeerExchange,
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EnableStore: nodeConfig.WakuV2Config.EnableStore,
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StoreCapacity: nodeConfig.WakuV2Config.StoreCapacity,
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StoreSeconds: nodeConfig.WakuV2Config.StoreSeconds,
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DiscoveryLimit: nodeConfig.WakuV2Config.DiscoveryLimit,
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DiscV5BootstrapNodes: nodeConfig.ClusterConfig.DiscV5BootstrapNodes,
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Nameserver: nodeConfig.WakuV2Config.Nameserver,
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EnableDiscV5: nodeConfig.WakuV2Config.EnableDiscV5,
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UDPPort: nodeConfig.WakuV2Config.UDPPort,
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AutoUpdate: nodeConfig.WakuV2Config.AutoUpdate,
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TelemetryServerURL: telemetryServerURL,
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}
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if nodeConfig.WakuV2Config.MaxMessageSize > 0 {
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cfg.MaxMessageSize = nodeConfig.WakuV2Config.MaxMessageSize
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}
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w, err := wakuv2.New(nodeConfig.NodeKey, nodeConfig.ClusterConfig.Fleet, cfg, logutils.ZapLogger(), b.appDB, b.timeSource(), signal.SendHistoricMessagesRequestFailed, signal.SendPeerStats)
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if err != nil {
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return nil, err
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}
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b.wakuV2Srvc = w
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}
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return b.wakuV2Srvc, nil
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}
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func wakuRateLimiter(wakuCfg *params.WakuConfig, clusterCfg *params.ClusterConfig) *wakucommon.PeerRateLimiter {
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enodes := append(
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parseNodes(clusterCfg.StaticNodes),
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parseNodes(clusterCfg.TrustedMailServers)...,
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)
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var (
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ips []string
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peerIDs []enode.ID
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)
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for _, item := range enodes {
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ips = append(ips, item.IP().String())
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peerIDs = append(peerIDs, item.ID())
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}
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return wakucommon.NewPeerRateLimiter(
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&wakucommon.PeerRateLimiterConfig{
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PacketLimitPerSecIP: wakuCfg.PacketRateLimitIP,
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PacketLimitPerSecPeerID: wakuCfg.PacketRateLimitPeerID,
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BytesLimitPerSecIP: wakuCfg.BytesRateLimitIP,
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BytesLimitPerSecPeerID: wakuCfg.BytesRateLimitPeerID,
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WhitelistedIPs: ips,
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WhitelistedPeerIDs: peerIDs,
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},
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&wakucommon.MetricsRateLimiterHandler{},
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&wakucommon.DropPeerRateLimiterHandler{
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Tolerance: wakuCfg.RateLimitTolerance,
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},
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)
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}
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func (b *StatusNode) rpcFiltersService() *rpcfilters.Service {
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if b.rpcFiltersSrvc == nil {
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b.rpcFiltersSrvc = rpcfilters.New(b)
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}
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return b.rpcFiltersSrvc
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}
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func (b *StatusNode) subscriptionService() *subscriptions.Service {
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if b.subscriptionsSrvc == nil {
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b.subscriptionsSrvc = subscriptions.New(func() *rpc.Client { return b.RPCClient() })
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}
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return b.subscriptionsSrvc
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}
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func (b *StatusNode) rpcStatsService() *rpcstats.Service {
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if b.rpcStatsSrvc == nil {
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b.rpcStatsSrvc = rpcstats.New()
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}
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return b.rpcStatsSrvc
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}
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func (b *StatusNode) accountsService(accountsFeed *event.Feed, accDB *accounts.Database, mediaServer *server.MediaServer) *accountssvc.Service {
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if b.accountsSrvc == nil {
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b.accountsSrvc = accountssvc.NewService(
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accDB,
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b.multiaccountsDB,
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b.gethAccountManager,
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b.config,
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accountsFeed,
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mediaServer,
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)
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}
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return b.accountsSrvc
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}
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func (b *StatusNode) browsersService() *browsers.Service {
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if b.browsersSrvc == nil {
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b.browsersSrvc = browsers.NewService(browsers.NewDB(b.appDB))
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}
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return b.browsersSrvc
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}
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func (b *StatusNode) ensService(timesource func() time.Time) *ens.Service {
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if b.ensSrvc == nil {
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b.ensSrvc = ens.NewService(b.rpcClient, b.gethAccountManager, b.pendingTracker, b.config, b.appDB, timesource)
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}
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return b.ensSrvc
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}
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func (b *StatusNode) pendingTrackerService(walletFeed *event.Feed) *transactions.PendingTxTracker {
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if b.pendingTracker == nil {
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b.pendingTracker = transactions.NewPendingTxTracker(b.walletDB, b.rpcClient, b.rpcFiltersSrvc, walletFeed, transactions.PendingCheckInterval)
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}
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return b.pendingTracker
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}
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func (b *StatusNode) CommunityTokensService() *communitytokens.Service {
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if b.communityTokensSrvc == nil {
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b.communityTokensSrvc = communitytokens.NewService(b.rpcClient, b.gethAccountManager, b.pendingTracker, b.config, b.appDB)
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}
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return b.communityTokensSrvc
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}
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func (b *StatusNode) stickersService(accountDB *accounts.Database) *stickers.Service {
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if b.stickersSrvc == nil {
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b.stickersSrvc = stickers.NewService(accountDB, b.rpcClient, b.gethAccountManager, b.config, b.downloader, b.httpServer, b.pendingTracker)
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}
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return b.stickersSrvc
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}
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func (b *StatusNode) updatesService() *updates.Service {
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if b.updatesSrvc == nil {
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b.updatesSrvc = updates.NewService(b.ensService(b.timeSourceNow()))
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}
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return b.updatesSrvc
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}
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func (b *StatusNode) gifService(accountsDB *accounts.Database) *gif.Service {
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if b.gifSrvc == nil {
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b.gifSrvc = gif.NewService(accountsDB)
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}
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return b.gifSrvc
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}
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func (b *StatusNode) ChatService(accountsDB *accounts.Database) *chat.Service {
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if b.chatSrvc == nil {
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b.chatSrvc = chat.NewService(accountsDB)
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}
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return b.chatSrvc
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}
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func (b *StatusNode) permissionsService() *permissions.Service {
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if b.permissionsSrvc == nil {
|
|
b.permissionsSrvc = permissions.NewService(permissions.NewDB(b.appDB))
|
|
}
|
|
return b.permissionsSrvc
|
|
}
|
|
|
|
func (b *StatusNode) mailserversService() *mailservers.Service {
|
|
if b.mailserversSrvc == nil {
|
|
|
|
b.mailserversSrvc = mailservers.NewService(mailservers.NewDB(b.appDB))
|
|
}
|
|
return b.mailserversSrvc
|
|
}
|
|
|
|
func (b *StatusNode) providerService(accountsDB *accounts.Database) *web3provider.Service {
|
|
web3S := web3provider.NewService(b.appDB, accountsDB, b.rpcClient, b.config, b.gethAccountManager, b.rpcFiltersSrvc, b.transactor)
|
|
if b.providerSrvc == nil {
|
|
b.providerSrvc = web3S
|
|
}
|
|
return b.providerSrvc
|
|
}
|
|
|
|
func (b *StatusNode) appmetricsService() common.StatusService {
|
|
if b.appMetricsSrvc == nil {
|
|
b.appMetricsSrvc = appmetricsservice.NewService(appmetrics.NewDB(b.appDB))
|
|
}
|
|
return b.appMetricsSrvc
|
|
}
|
|
|
|
func (b *StatusNode) WalletService() *wallet.Service {
|
|
return b.walletSrvc
|
|
}
|
|
|
|
func (b *StatusNode) SetWalletCollectibleMetadataProvider(provider thirdparty.CollectibleMetadataProvider) {
|
|
if b.walletSrvc != nil {
|
|
b.walletSrvc.SetCollectibleMetadataProvider(provider)
|
|
}
|
|
}
|
|
|
|
func (b *StatusNode) SetWalletCollectibleCommunityInfoProvider(provider thirdparty.CollectibleCommunityInfoProvider) {
|
|
if b.walletSrvc != nil {
|
|
b.walletSrvc.SetCollectibleCommunityInfoProvider(provider)
|
|
}
|
|
}
|
|
|
|
func (b *StatusNode) walletService(accountsDB *accounts.Database, accountsFeed *event.Feed, walletFeed *event.Feed) *wallet.Service {
|
|
if b.walletSrvc == nil {
|
|
b.walletSrvc = wallet.NewService(
|
|
b.walletDB, accountsDB, b.rpcClient, accountsFeed, b.gethAccountManager, b.transactor, b.config,
|
|
b.ensService(b.timeSourceNow()),
|
|
b.stickersService(accountsDB),
|
|
b.pendingTracker,
|
|
walletFeed,
|
|
)
|
|
}
|
|
return b.walletSrvc
|
|
}
|
|
|
|
func (b *StatusNode) localNotificationsService(network uint64) (*localnotifications.Service, error) {
|
|
var err error
|
|
if b.localNotificationsSrvc == nil {
|
|
b.localNotificationsSrvc, err = localnotifications.NewService(b.appDB, transfer.NewDB(b.walletDB), network)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return b.localNotificationsSrvc, nil
|
|
}
|
|
|
|
func (b *StatusNode) peerService() *peer.Service {
|
|
if b.peerSrvc == nil {
|
|
b.peerSrvc = peer.New()
|
|
}
|
|
return b.peerSrvc
|
|
}
|
|
|
|
func registerWakuMailServer(wakuService *waku.Waku, config *params.WakuConfig) (err error) {
|
|
var mailServer mailserver.WakuMailServer
|
|
wakuService.RegisterMailServer(&mailServer)
|
|
|
|
return mailServer.Init(wakuService, config)
|
|
}
|
|
|
|
func appendIf(condition bool, services []common.StatusService, service common.StatusService) []common.StatusService {
|
|
if !condition {
|
|
return services
|
|
}
|
|
return append(services, service)
|
|
}
|
|
|
|
func (b *StatusNode) RPCFiltersService() *rpcfilters.Service {
|
|
return b.rpcFiltersSrvc
|
|
}
|
|
|
|
func (b *StatusNode) PendingTracker() *transactions.PendingTxTracker {
|
|
return b.pendingTracker
|
|
}
|
|
|
|
func (b *StatusNode) StopLocalNotifications() error {
|
|
if b.localNotificationsSrvc == nil {
|
|
return nil
|
|
}
|
|
|
|
if b.localNotificationsSrvc.IsStarted() {
|
|
err := b.localNotificationsSrvc.Stop()
|
|
if err != nil {
|
|
b.log.Error("LocalNotifications service stop failed on StopLocalNotifications", "error", err)
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (b *StatusNode) StartLocalNotifications() error {
|
|
if b.localNotificationsSrvc == nil {
|
|
return nil
|
|
}
|
|
|
|
if b.walletSrvc == nil {
|
|
return nil
|
|
}
|
|
|
|
if !b.localNotificationsSrvc.IsStarted() {
|
|
err := b.localNotificationsSrvc.Start()
|
|
|
|
if err != nil {
|
|
b.log.Error("LocalNotifications service start failed on StartLocalNotifications", "error", err)
|
|
return nil
|
|
}
|
|
}
|
|
|
|
err := b.localNotificationsSrvc.SubscribeWallet(&b.walletFeed)
|
|
|
|
if err != nil {
|
|
b.log.Error("LocalNotifications service could not subscribe to wallet on StartLocalNotifications", "error", err)
|
|
return nil
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// `personal_sign` and `personal_ecRecover` methods are important to
|
|
// keep DApps working.
|
|
// Usually, they are provided by an ETH or a LES service, but when using
|
|
// upstream, we don't start any of these, so we need to start our own
|
|
// implementation.
|
|
|
|
func (b *StatusNode) personalService() *personal.Service {
|
|
if b.personalSrvc == nil {
|
|
b.personalSrvc = personal.New(b.accountsManager)
|
|
}
|
|
return b.personalSrvc
|
|
}
|
|
|
|
func (b *StatusNode) timeSource() *timesource.NTPTimeSource {
|
|
|
|
if b.timeSourceSrvc == nil {
|
|
b.timeSourceSrvc = timesource.Default()
|
|
}
|
|
return b.timeSourceSrvc
|
|
}
|
|
|
|
func (b *StatusNode) timeSourceNow() func() time.Time {
|
|
return b.timeSource().Now
|
|
}
|
|
|
|
func (b *StatusNode) Cleanup() error {
|
|
if b.wakuSrvc != nil {
|
|
if err := b.wakuSrvc.DeleteKeyPairs(); err != nil {
|
|
return fmt.Errorf("%s: %v", ErrWakuClearIdentitiesFailure, err)
|
|
}
|
|
}
|
|
|
|
if b.Config() != nil && b.Config().WalletConfig.Enabled {
|
|
if b.walletSrvc != nil {
|
|
if b.walletSrvc.IsStarted() {
|
|
err := b.walletSrvc.Stop()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if b.ensSrvc != nil {
|
|
err := b.ensSrvc.Stop()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
type RPCCall struct {
|
|
Method string `json:"method"`
|
|
}
|
|
|
|
func (b *StatusNode) CallPrivateRPC(inputJSON string) (string, error) {
|
|
b.mu.Lock()
|
|
defer b.mu.Unlock()
|
|
if b.rpcClient == nil {
|
|
return "", ErrRPCClientUnavailable
|
|
}
|
|
|
|
return b.rpcClient.CallRaw(inputJSON), nil
|
|
}
|
|
|
|
// CallRPC calls public methods on the node, we register public methods
|
|
// in a map and check if they can be called in this function
|
|
func (b *StatusNode) CallRPC(inputJSON string) (string, error) {
|
|
b.mu.Lock()
|
|
defer b.mu.Unlock()
|
|
if b.rpcClient == nil {
|
|
return "", ErrRPCClientUnavailable
|
|
}
|
|
|
|
rpcCall := &RPCCall{}
|
|
err := json.Unmarshal([]byte(inputJSON), rpcCall)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
if rpcCall.Method == "" || !b.publicMethods[rpcCall.Method] {
|
|
return ErrRPCMethodUnavailable, nil
|
|
}
|
|
|
|
return b.rpcClient.CallRaw(inputJSON), nil
|
|
}
|