package ext import ( "context" "encoding/hex" "errors" "fmt" "math/big" "time" "github.com/ethereum/go-ethereum/log" "github.com/ethereum/go-ethereum/p2p/enode" "github.com/ethereum/go-ethereum/rlp" "github.com/status-im/status-go/eth-node/crypto" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/mailserver" "github.com/status-im/status-go/protocol" "github.com/status-im/status-go/protocol/common" "github.com/status-im/status-go/protocol/communities" "github.com/status-im/status-go/protocol/encryption/multidevice" "github.com/status-im/status-go/protocol/protobuf" "github.com/status-im/status-go/protocol/pushnotificationclient" "github.com/status-im/status-go/protocol/requests" "github.com/status-im/status-go/protocol/transport" "github.com/status-im/status-go/protocol/urls" "github.com/status-im/status-go/services/ext/mailservers" ) const ( // defaultRequestTimeout is the default request timeout in seconds defaultRequestTimeout = 10 ) var ( // ErrInvalidMailServerPeer is returned when it fails to parse enode from params. ErrInvalidMailServerPeer = errors.New("invalid mailServerPeer value") // ErrInvalidSymKeyID is returned when it fails to get a symmetric key. ErrInvalidSymKeyID = errors.New("invalid symKeyID value") // ErrInvalidPublicKey is returned when public key can't be extracted // from MailServer's nodeID. ErrInvalidPublicKey = errors.New("can't extract public key") // ErrPFSNotEnabled is returned when an endpoint PFS only is called but // PFS is disabled ErrPFSNotEnabled = errors.New("pfs not enabled") ) // ----- // PAYLOADS // ----- // MessagesRequest is a RequestMessages() request payload. type MessagesRequest struct { // MailServerPeer is MailServer's enode address. MailServerPeer string `json:"mailServerPeer"` // From is a lower bound of time range (optional). // Default is 24 hours back from now. From uint32 `json:"from"` // To is a upper bound of time range (optional). // Default is now. To uint32 `json:"to"` // Limit determines the number of messages sent by the mail server // for the current paginated request Limit uint32 `json:"limit"` // Cursor is used as starting point for paginated requests Cursor string `json:"cursor"` // Topic is a regular Whisper topic. // DEPRECATED Topic types.TopicType `json:"topic"` // Topics is a list of Whisper topics. Topics []types.TopicType `json:"topics"` // SymKeyID is an ID of a symmetric key to authenticate to MailServer. // It's derived from MailServer password. SymKeyID string `json:"symKeyID"` // Timeout is the time to live of the request specified in seconds. // Default is 10 seconds Timeout time.Duration `json:"timeout"` // Force ensures that requests will bypass enforced delay. Force bool `json:"force"` } func (r *MessagesRequest) SetDefaults(now time.Time) { // set From and To defaults if r.To == 0 { r.To = uint32(now.UTC().Unix()) } if r.From == 0 { oneDay := uint32(86400) // -24 hours if r.To < oneDay { r.From = 0 } else { r.From = r.To - oneDay } } if r.Timeout == 0 { r.Timeout = defaultRequestTimeout } } // MessagesResponse is a response for requestMessages2 method. type MessagesResponse struct { // Cursor from the response can be used to retrieve more messages // for the previous request. Cursor string `json:"cursor"` // Error indicates that something wrong happened when sending messages // to the requester. Error error `json:"error"` } // ----- // PUBLIC API // ----- // PublicAPI extends whisper public API. type PublicAPI struct { service *Service eventSub mailservers.EnvelopeEventSubscriber log log.Logger } // NewPublicAPI returns instance of the public API. func NewPublicAPI(s *Service, eventSub mailservers.EnvelopeEventSubscriber) *PublicAPI { return &PublicAPI{ service: s, eventSub: eventSub, log: log.New("package", "status-go/services/sshext.PublicAPI"), } } // RetryConfig specifies configuration for retries with timeout and max amount of retries. type RetryConfig struct { BaseTimeout time.Duration // StepTimeout defines duration increase per each retry. StepTimeout time.Duration MaxRetries int } func WaitForExpiredOrCompleted(requestID types.Hash, events chan types.EnvelopeEvent, timeout time.Duration) (*types.MailServerResponse, error) { expired := fmt.Errorf("request %x expired", requestID) after := time.NewTimer(timeout) defer after.Stop() for { var ev types.EnvelopeEvent select { case ev = <-events: case <-after.C: return nil, expired } if ev.Hash != requestID { continue } switch ev.Event { case types.EventMailServerRequestCompleted: data, ok := ev.Data.(*types.MailServerResponse) if ok { return data, nil } return nil, errors.New("invalid event data type") case types.EventMailServerRequestExpired: return nil, expired } } } type Author struct { PublicKey types.HexBytes `json:"publicKey"` Alias string `json:"alias"` Identicon string `json:"identicon"` } type Metadata struct { DedupID []byte `json:"dedupId"` EncryptionID types.HexBytes `json:"encryptionId"` MessageID types.HexBytes `json:"messageId"` Author Author `json:"author"` } // ConfirmMessagesProcessedByID is a method to confirm that messages was consumed by // the client side. // TODO: this is broken now as it requires dedup ID while a message hash should be used. func (api *PublicAPI) ConfirmMessagesProcessedByID(messageConfirmations []*Metadata) error { confirmationCount := len(messageConfirmations) dedupIDs := make([][]byte, confirmationCount) encryptionIDs := make([][]byte, confirmationCount) for i, confirmation := range messageConfirmations { dedupIDs[i] = confirmation.DedupID encryptionIDs[i] = confirmation.EncryptionID } return api.service.ConfirmMessagesProcessed(encryptionIDs) } func (api *PublicAPI) Leave(chat protocol.Chat) error { return api.service.messenger.Leave(chat) } func (api *PublicAPI) LeaveGroupChat(ctx Context, chatID string, remove bool) (*protocol.MessengerResponse, error) { return api.service.messenger.LeaveGroupChat(ctx, chatID, remove) } func (api *PublicAPI) CreateGroupChatWithMembers(ctx Context, name string, members []string) (*protocol.MessengerResponse, error) { return api.service.messenger.CreateGroupChatWithMembers(ctx, name, members) } func (api *PublicAPI) CreateGroupChatFromInvitation(name string, chatID string, adminPK string) (*protocol.MessengerResponse, error) { return api.service.messenger.CreateGroupChatFromInvitation(name, chatID, adminPK) } func (api *PublicAPI) AddMembersToGroupChat(ctx Context, chatID string, members []string) (*protocol.MessengerResponse, error) { return api.service.messenger.AddMembersToGroupChat(ctx, chatID, members) } func (api *PublicAPI) RemoveMemberFromGroupChat(ctx Context, chatID string, member string) (*protocol.MessengerResponse, error) { return api.service.messenger.RemoveMemberFromGroupChat(ctx, chatID, member) } func (api *PublicAPI) AddAdminsToGroupChat(ctx Context, chatID string, members []string) (*protocol.MessengerResponse, error) { return api.service.messenger.AddAdminsToGroupChat(ctx, chatID, members) } func (api *PublicAPI) ConfirmJoiningGroup(ctx context.Context, chatID string) (*protocol.MessengerResponse, error) { return api.service.messenger.ConfirmJoiningGroup(ctx, chatID) } func (api *PublicAPI) ChangeGroupChatName(ctx Context, chatID string, name string) (*protocol.MessengerResponse, error) { return api.service.messenger.ChangeGroupChatName(ctx, chatID, name) } func (api *PublicAPI) SendGroupChatInvitationRequest(ctx Context, chatID string, adminPK string, message string) (*protocol.MessengerResponse, error) { return api.service.messenger.SendGroupChatInvitationRequest(ctx, chatID, adminPK, message) } func (api *PublicAPI) GetGroupChatInvitations() ([]*protocol.GroupChatInvitation, error) { return api.service.messenger.GetGroupChatInvitations() } func (api *PublicAPI) SendGroupChatInvitationRejection(ctx Context, invitationRequestID string) (*protocol.MessengerResponse, error) { return api.service.messenger.SendGroupChatInvitationRejection(ctx, invitationRequestID) } func (api *PublicAPI) LoadFilters(parent context.Context, chats []*transport.Filter) ([]*transport.Filter, error) { return api.service.messenger.LoadFilters(chats) } func (api *PublicAPI) SaveChat(parent context.Context, chat *protocol.Chat) error { return api.service.messenger.SaveChat(chat) } func (api *PublicAPI) CreateOneToOneChat(parent context.Context, request *requests.CreateOneToOneChat) (*protocol.MessengerResponse, error) { return api.service.messenger.CreateOneToOneChat(request) } func (api *PublicAPI) Chats(parent context.Context) []*protocol.Chat { return api.service.messenger.Chats() } func (api *PublicAPI) ActiveChats(parent context.Context) []*protocol.Chat { return api.service.messenger.ActiveChats() } func (api *PublicAPI) DeleteChat(parent context.Context, chatID string) error { return api.service.messenger.DeleteChat(chatID) } func (api *PublicAPI) MuteChat(parent context.Context, chatID string) error { return api.service.messenger.MuteChat(chatID) } func (api *PublicAPI) UnmuteChat(parent context.Context, chatID string) error { return api.service.messenger.UnmuteChat(chatID) } func (api *PublicAPI) SaveContact(parent context.Context, contact *protocol.Contact) error { return api.service.messenger.SaveContact(contact) } func (api *PublicAPI) BlockContact(parent context.Context, contact *protocol.Contact) ([]*protocol.Chat, error) { api.log.Info("blocking contact", "contact", contact.ID) return api.service.messenger.BlockContact(contact) } func (api *PublicAPI) Contacts(parent context.Context) []*protocol.Contact { return api.service.messenger.Contacts() } func (api *PublicAPI) GetContactByID(parent context.Context, id string) *protocol.Contact { return api.service.messenger.GetContactByID(id) } func (api *PublicAPI) RemoveFilters(parent context.Context, chats []*transport.Filter) error { return api.service.messenger.RemoveFilters(chats) } // EnableInstallation enables an installation for multi-device sync. func (api *PublicAPI) EnableInstallation(installationID string) error { return api.service.messenger.EnableInstallation(installationID) } // DisableInstallation disables an installation for multi-device sync. func (api *PublicAPI) DisableInstallation(installationID string) error { return api.service.messenger.DisableInstallation(installationID) } // GetOurInstallations returns all the installations available given an identity func (api *PublicAPI) GetOurInstallations() []*multidevice.Installation { return api.service.messenger.Installations() } // SetInstallationMetadata sets the metadata for our own installation func (api *PublicAPI) SetInstallationMetadata(installationID string, data *multidevice.InstallationMetadata) error { return api.service.messenger.SetInstallationMetadata(installationID, data) } // Communities returns a list of communities that are stored func (api *PublicAPI) Communities(parent context.Context) ([]*communities.Community, error) { return api.service.messenger.Communities() } // JoinedCommunities returns a list of communities that the user has joined func (api *PublicAPI) JoinedCommunities(parent context.Context) ([]*communities.Community, error) { return api.service.messenger.JoinedCommunities() } // JoinCommunity joins a community with the given ID func (api *PublicAPI) JoinCommunity(parent context.Context, communityID types.HexBytes) (*protocol.MessengerResponse, error) { return api.service.messenger.JoinCommunity(communityID) } // LeaveCommunity leaves a commuity with the given ID func (api *PublicAPI) LeaveCommunity(parent context.Context, communityID types.HexBytes) (*protocol.MessengerResponse, error) { return api.service.messenger.LeaveCommunity(communityID) } // CreateCommunity creates a new community with the provided description func (api *PublicAPI) CreateCommunity(request *requests.CreateCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.CreateCommunity(request) } // ExportCommunity exports the private key of the community with given ID func (api *PublicAPI) ExportCommunity(id types.HexBytes) (types.HexBytes, error) { key, err := api.service.messenger.ExportCommunity(id) if err != nil { return nil, err } return crypto.FromECDSA(key), nil } // ImportCommunity imports a community with the given private key in hex func (api *PublicAPI) ImportCommunity(hexPrivateKey string) (*protocol.MessengerResponse, error) { // Strip the 0x from the beginning privateKey, err := crypto.HexToECDSA(hexPrivateKey[2:]) if err != nil { return nil, err } return api.service.messenger.ImportCommunity(privateKey) } // CreateCommunityChat creates a community chat in the given community func (api *PublicAPI) CreateCommunityChat(communityID types.HexBytes, c *protobuf.CommunityChat) (*protocol.MessengerResponse, error) { return api.service.messenger.CreateCommunityChat(communityID, c) } // InviteUsersToCommunity invites the users with pks to the community with ID func (api *PublicAPI) InviteUsersToCommunity(request *requests.InviteUsersToCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.InviteUsersToCommunity(request) } // ShareCommunity share the community with a set of users func (api *PublicAPI) ShareCommunity(request *requests.ShareCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.ShareCommunity(request) } // RemoveUserFromCommunity removes the user with pk from the community with ID func (api *PublicAPI) RemoveUserFromCommunity(communityID types.HexBytes, userPublicKey string) (*protocol.MessengerResponse, error) { return api.service.messenger.RemoveUserFromCommunity(communityID, userPublicKey) } // BanUserFromCommunity removes the user with pk from the community with ID func (api *PublicAPI) BanUserFromCommunity(request *requests.BanUserFromCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.BanUserFromCommunity(request) } // MyPendingRequestsToJoin returns the pending requests for the logged in user func (api *PublicAPI) MyPendingRequestsToJoin() ([]*communities.RequestToJoin, error) { return api.service.messenger.MyPendingRequestsToJoin() } // PendingRequestsToJoinForCommunity returns the pending requests to join for a given community func (api *PublicAPI) PendingRequestsToJoinForCommunity(id types.HexBytes) ([]*communities.RequestToJoin, error) { return api.service.messenger.PendingRequestsToJoinForCommunity(id) } // AcceptRequestToJoinCommunity accepts a pending request to join a community func (api *PublicAPI) AcceptRequestToJoinCommunity(request *requests.AcceptRequestToJoinCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.AcceptRequestToJoinCommunity(request) } // DeclineRequestToJoinCommunity accepts a pending request to join a community func (api *PublicAPI) DeclineRequestToJoinCommunity(request *requests.DeclineRequestToJoinCommunity) error { return api.service.messenger.DeclineRequestToJoinCommunity(request) } // RequestToJoinCommunity requests to join a particular community func (api *PublicAPI) RequestToJoinCommunity(request *requests.RequestToJoinCommunity) (*protocol.MessengerResponse, error) { return api.service.messenger.RequestToJoinCommunity(request) } type ApplicationMessagesResponse struct { Messages []*common.Message `json:"messages"` Cursor string `json:"cursor"` } func (api *PublicAPI) ChatMessages(chatID, cursor string, limit int) (*ApplicationMessagesResponse, error) { messages, cursor, err := api.service.messenger.MessageByChatID(chatID, cursor, limit) if err != nil { return nil, err } return &ApplicationMessagesResponse{ Messages: messages, Cursor: cursor, }, nil } func (api *PublicAPI) StartMessenger() (*protocol.MessengerResponse, error) { return api.service.StartMessenger() } func (api *PublicAPI) DeleteMessage(id string) error { return api.service.messenger.DeleteMessage(id) } func (api *PublicAPI) DeleteMessagesByChatID(id string) error { return api.service.messenger.DeleteMessagesByChatID(id) } func (api *PublicAPI) MarkMessagesSeen(chatID string, ids []string) (uint64, error) { return api.service.messenger.MarkMessagesSeen(chatID, ids) } func (api *PublicAPI) MarkAllRead(chatID string) error { return api.service.messenger.MarkAllRead(chatID) } func (api *PublicAPI) AddContact(ctx context.Context, pubKey string) (*protocol.MessengerResponse, error) { return api.service.messenger.AddContact(ctx, pubKey) } func (api *PublicAPI) RemoveContact(ctx context.Context, pubKey string) (*protocol.MessengerResponse, error) { return api.service.messenger.RemoveContact(ctx, pubKey) } func (api *PublicAPI) ClearHistory(chatID string) (*protocol.MessengerResponse, error) { return api.service.messenger.ClearHistory(chatID) } func (api *PublicAPI) DeactivateChat(chatID string) (*protocol.MessengerResponse, error) { return api.service.messenger.DeactivateChat(chatID) } func (api *PublicAPI) UpdateMessageOutgoingStatus(id, newOutgoingStatus string) error { return api.service.messenger.UpdateMessageOutgoingStatus(id, newOutgoingStatus) } func (api *PublicAPI) SendChatMessage(ctx context.Context, message *common.Message) (*protocol.MessengerResponse, error) { return api.service.messenger.SendChatMessage(ctx, message) } func (api *PublicAPI) ReSendChatMessage(ctx context.Context, messageID string) error { return api.service.messenger.ReSendChatMessage(ctx, messageID) } func (api *PublicAPI) SendChatMessages(ctx context.Context, messages []*common.Message) (*protocol.MessengerResponse, error) { return api.service.messenger.SendChatMessages(ctx, messages) } func (api *PublicAPI) RequestTransaction(ctx context.Context, chatID, value, contract, address string) (*protocol.MessengerResponse, error) { return api.service.messenger.RequestTransaction(ctx, chatID, value, contract, address) } func (api *PublicAPI) RequestAddressForTransaction(ctx context.Context, chatID, from, value, contract string) (*protocol.MessengerResponse, error) { return api.service.messenger.RequestAddressForTransaction(ctx, chatID, from, value, contract) } func (api *PublicAPI) DeclineRequestAddressForTransaction(ctx context.Context, messageID string) (*protocol.MessengerResponse, error) { return api.service.messenger.DeclineRequestAddressForTransaction(ctx, messageID) } func (api *PublicAPI) DeclineRequestTransaction(ctx context.Context, messageID string) (*protocol.MessengerResponse, error) { return api.service.messenger.DeclineRequestTransaction(ctx, messageID) } func (api *PublicAPI) AcceptRequestAddressForTransaction(ctx context.Context, messageID, address string) (*protocol.MessengerResponse, error) { return api.service.messenger.AcceptRequestAddressForTransaction(ctx, messageID, address) } func (api *PublicAPI) SendTransaction(ctx context.Context, chatID, value, contract, transactionHash string, signature types.HexBytes) (*protocol.MessengerResponse, error) { return api.service.messenger.SendTransaction(ctx, chatID, value, contract, transactionHash, signature) } func (api *PublicAPI) AcceptRequestTransaction(ctx context.Context, transactionHash, messageID string, signature types.HexBytes) (*protocol.MessengerResponse, error) { return api.service.messenger.AcceptRequestTransaction(ctx, transactionHash, messageID, signature) } func (api *PublicAPI) SendContactUpdates(ctx context.Context, name, picture string) error { return api.service.messenger.SendContactUpdates(ctx, name, picture) } func (api *PublicAPI) SendContactUpdate(ctx context.Context, contactID, name, picture string) (*protocol.MessengerResponse, error) { return api.service.messenger.SendContactUpdate(ctx, contactID, name, picture) } func (api *PublicAPI) SendPairInstallation(ctx context.Context) (*protocol.MessengerResponse, error) { return api.service.messenger.SendPairInstallation(ctx) } func (api *PublicAPI) SyncDevices(ctx context.Context, name, picture string) error { return api.service.messenger.SyncDevices(ctx, name, picture) } func (api *PublicAPI) SignMessageWithChatKey(ctx context.Context, message string) (types.HexBytes, error) { return api.service.messenger.SignMessage(message) } func (api *PublicAPI) UpdateMailservers(enodes []string) error { nodes := make([]*enode.Node, len(enodes)) for i, rawurl := range enodes { node, err := enode.ParseV4(rawurl) if err != nil { return err } nodes[i] = node } return api.service.UpdateMailservers(nodes) } // PushNotifications server endpoints func (api *PublicAPI) StartPushNotificationsServer() error { err := api.service.accountsDB.SaveSetting("push-notifications-server-enabled?", true) if err != nil { return err } return api.service.messenger.StartPushNotificationsServer() } func (api *PublicAPI) StopPushNotificationsServer() error { err := api.service.accountsDB.SaveSetting("push-notifications-server-enabled?", false) if err != nil { return err } return api.service.messenger.StopPushNotificationsServer() } // PushNotification client endpoints func (api *PublicAPI) RegisterForPushNotifications(ctx context.Context, deviceToken string, apnTopic string, tokenType protobuf.PushNotificationRegistration_TokenType) error { // We set both for now as they are equivalent err := api.service.accountsDB.SaveSetting("remote-push-notifications-enabled?", true) if err != nil { return err } err = api.service.accountsDB.SaveSetting("notifications-enabled?", true) if err != nil { return err } return api.service.messenger.RegisterForPushNotifications(ctx, deviceToken, apnTopic, tokenType) } func (api *PublicAPI) UnregisterFromPushNotifications(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("remote-push-notifications-enabled?", false) if err != nil { return err } err = api.service.accountsDB.SaveSetting("notifications-enabled?", false) if err != nil { return err } return api.service.messenger.UnregisterFromPushNotifications(ctx) } func (api *PublicAPI) DisableSendingNotifications(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("send-push-notifications?", false) if err != nil { return err } return api.service.messenger.DisableSendingPushNotifications() } func (api *PublicAPI) EnableSendingNotifications(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("send-push-notifications?", true) if err != nil { return err } return api.service.messenger.EnableSendingPushNotifications() } func (api *PublicAPI) EnablePushNotificationsFromContactsOnly(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("push-notifications-from-contacts-only?", true) if err != nil { return err } return api.service.messenger.EnablePushNotificationsFromContactsOnly() } func (api *PublicAPI) DisablePushNotificationsFromContactsOnly(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("push-notifications-from-contacts-only?", false) if err != nil { return err } return api.service.messenger.DisablePushNotificationsFromContactsOnly() } func (api *PublicAPI) EnablePushNotificationsBlockMentions(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("push-notifications-block-mentions?", true) if err != nil { return err } return api.service.messenger.EnablePushNotificationsBlockMentions() } func (api *PublicAPI) DisablePushNotificationsBlockMentions(ctx context.Context) error { err := api.service.accountsDB.SaveSetting("push-notifications-block-mentions?", false) if err != nil { return err } return api.service.messenger.DisablePushNotificationsBlockMentions() } func (api *PublicAPI) AddPushNotificationsServer(ctx context.Context, publicKeyBytes types.HexBytes) error { publicKey, err := crypto.UnmarshalPubkey(publicKeyBytes) if err != nil { return err } // this is coming from a user, so it has to be a custom server return api.service.messenger.AddPushNotificationsServer(ctx, publicKey, pushnotificationclient.ServerTypeCustom) } func (api *PublicAPI) RemovePushNotificationServer(ctx context.Context, publicKeyBytes types.HexBytes) error { publicKey, err := crypto.UnmarshalPubkey(publicKeyBytes) if err != nil { return err } return api.service.messenger.RemovePushNotificationServer(ctx, publicKey) } func (api *PublicAPI) GetPushNotificationsServers() ([]*pushnotificationclient.PushNotificationServer, error) { return api.service.messenger.GetPushNotificationsServers() } func (api *PublicAPI) RegisteredForPushNotifications() (bool, error) { return api.service.messenger.RegisteredForPushNotifications() } // Emoji func (api *PublicAPI) SendEmojiReaction(ctx context.Context, chatID, messageID string, emojiID protobuf.EmojiReaction_Type) (*protocol.MessengerResponse, error) { return api.service.messenger.SendEmojiReaction(ctx, chatID, messageID, emojiID) } func (api *PublicAPI) SendEmojiReactionRetraction(ctx context.Context, emojiReactionID string) (*protocol.MessengerResponse, error) { return api.service.messenger.SendEmojiReactionRetraction(ctx, emojiReactionID) } func (api *PublicAPI) EmojiReactionsByChatID(chatID string, cursor string, limit int) ([]*protocol.EmojiReaction, error) { return api.service.messenger.EmojiReactionsByChatID(chatID, cursor, limit) } // Urls func (api *PublicAPI) GetLinkPreviewWhitelist() []urls.Site { return urls.LinkPreviewWhitelist() } func (api *PublicAPI) GetLinkPreviewData(link string) (previewData urls.LinkPreviewData, err error) { return urls.GetLinkPreviewData(link) } func (api *PublicAPI) EnsVerified(pk, ensName string) error { return api.service.messenger.ENSVerified(pk, ensName) } func (api *PublicAPI) RequestCommunityInfoFromMailserver(communityID string) error { return api.service.messenger.RequestCommunityInfoFromMailserver(communityID) } func (api *PublicAPI) UnreadActivityCenterNotificationsCount() (uint64, error) { return api.service.messenger.UnreadActivityCenterNotificationsCount() } func (api *PublicAPI) MarkAllActivityCenterNotificationsRead() error { return api.service.messenger.MarkAllActivityCenterNotificationsRead() } func (api *PublicAPI) AcceptAllActivityCenterNotifications() (*protocol.MessengerResponse, error) { return api.service.messenger.AcceptAllActivityCenterNotifications() } func (api *PublicAPI) AcceptActivityCenterNotifications(ids []types.HexBytes) (*protocol.MessengerResponse, error) { return api.service.messenger.AcceptActivityCenterNotifications(ids) } func (api *PublicAPI) DismissAllActivityCenterNotifications() error { return api.service.messenger.DismissAllActivityCenterNotifications() } func (api *PublicAPI) DismissActivityCenterNotifications(ids []types.HexBytes) error { return api.service.messenger.DismissActivityCenterNotifications(ids) } func (api *PublicAPI) ActivityCenterNotifications(cursor string, limit uint64) (*protocol.ActivityCenterPaginationResponse, error) { return api.service.messenger.ActivityCenterNotifications(cursor, limit) } // Echo is a method for testing purposes. func (api *PublicAPI) Echo(ctx context.Context, message string) (string, error) { return message, nil } // ----- // HELPER // ----- // MakeMessagesRequestPayload makes a specific payload for MailServer // to request historic messages. // DEPRECATED func MakeMessagesRequestPayload(r MessagesRequest) ([]byte, error) { cursor, err := hex.DecodeString(r.Cursor) if err != nil { return nil, fmt.Errorf("invalid cursor: %v", err) } if len(cursor) > 0 && len(cursor) != mailserver.CursorLength { return nil, fmt.Errorf("invalid cursor size: expected %d but got %d", mailserver.CursorLength, len(cursor)) } payload := mailserver.MessagesRequestPayload{ Lower: r.From, Upper: r.To, // We need to pass bloom filter for // backward compatibility Bloom: createBloomFilter(r), Topics: topicsToByteArray(r.Topics), Limit: r.Limit, Cursor: cursor, // Client must tell the MailServer if it supports batch responses. // This can be removed in the future. Batch: true, } return rlp.EncodeToBytes(payload) } func topicsToByteArray(topics []types.TopicType) [][]byte { var response [][]byte for idx := range topics { response = append(response, topics[idx][:]) } return response } func createBloomFilter(r MessagesRequest) []byte { if len(r.Topics) > 0 { return topicsToBloom(r.Topics...) } return types.TopicToBloom(r.Topic) } func topicsToBloom(topics ...types.TopicType) []byte { i := new(big.Int) for _, topic := range topics { bloom := types.TopicToBloom(topic) i.Or(i, new(big.Int).SetBytes(bloom[:])) } combined := make([]byte, types.BloomFilterSize) data := i.Bytes() copy(combined[types.BloomFilterSize-len(data):], data[:]) return combined } // TopicsToBloom squashes all topics into a single bloom filter. func TopicsToBloom(topics ...types.TopicType) []byte { return topicsToBloom(topics...) }