status-go/protocol/messenger_contacts.go

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package protocol
import (
"context"
"crypto/ecdsa"
"errors"
"github.com/golang/protobuf/proto"
"go.uber.org/zap"
"github.com/status-im/status-go/eth-node/types"
"github.com/status-im/status-go/protocol/common"
"github.com/status-im/status-go/protocol/protobuf"
"github.com/status-im/status-go/protocol/requests"
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"github.com/status-im/status-go/protocol/transport"
)
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func (m *Messenger) acceptContactRequest(requestID string, syncing bool) (*MessengerResponse, error) {
contactRequest, err := m.persistence.MessageByID(requestID)
if err != nil {
m.logger.Error("could not find contact request message", zap.Error(err))
return nil, err
}
m.logger.Info("acceptContactRequest")
return m.addContact(contactRequest.From, "", "", "", contactRequest.ID, syncing)
}
func (m *Messenger) AcceptContactRequest(ctx context.Context, request *requests.AcceptContactRequest) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
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response, err := m.acceptContactRequest(request.ID.String(), false)
if err != nil {
return nil, err
}
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err = m.syncContactRequestDecision(ctx, request.ID.String(), true)
if err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) SendContactRequest(ctx context.Context, request *requests.SendContactRequest) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
chatID := request.ID.String()
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response, err := m.addContact(chatID, "", "", "", "", false)
if err != nil {
return nil, err
}
publicKey, err := common.HexToPubkey(chatID)
if err != nil {
return nil, err
}
// A valid added chat is required.
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_, ok := m.allChats.Load(chatID)
if !ok {
// Create a one to one chat and set active to false
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chat := CreateOneToOneChat(chatID, publicKey, m.getTimesource())
chat.Active = false
err = m.initChatSyncFields(chat)
if err != nil {
return nil, err
}
err = m.saveChat(chat)
if err != nil {
return nil, err
}
}
chatMessage := &common.Message{}
chatMessage.ChatId = chatID
chatMessage.Text = request.Message
chatMessage.ContentType = protobuf.ChatMessage_CONTACT_REQUEST
chatMessage.ContactRequestState = common.ContactRequestStatePending
messageResponse, err := m.sendChatMessage(ctx, chatMessage)
if err != nil {
return nil, err
}
err = response.Merge(messageResponse)
if err != nil {
return nil, err
}
return response, nil
}
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// NOTE: This sets HasAddedUs to false, so next time we receive a contact request it will be reset to true
func (m *Messenger) RejectContactRequest(ctx context.Context, request *requests.RejectContactRequest) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
pubKey := request.ID.String()
contact, ok := m.allContacts.Load(pubKey)
if !ok {
var err error
contact, err = buildContactFromPkString(pubKey)
if err != nil {
return nil, err
}
}
contact.HasAddedUs = false
err = m.persistence.SaveContact(contact, nil)
if err != nil {
return nil, err
}
m.allContacts.Store(contact.ID, contact)
response := &MessengerResponse{}
response.Contacts = []*Contact{contact}
return response, nil
}
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func (m *Messenger) dismissContactRequest(requestID string, syncing bool) (*MessengerResponse, error) {
m.logger.Info("dismissContactRequest")
contactRequest, err := m.persistence.MessageByID(requestID)
if err != nil {
return nil, err
}
contact, ok := m.allContacts.Load(contactRequest.From)
if !ok {
var err error
contact, err = buildContactFromPkString(contactRequest.From)
if err != nil {
return nil, err
}
}
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response := &MessengerResponse{}
if !syncing {
contact.DismissContactRequest()
err = m.persistence.SaveContact(contact, nil)
if err != nil {
return nil, err
}
response.AddContact(contact)
}
contactRequest.ContactRequestState = common.ContactRequestStateDismissed
err = m.persistence.SetContactRequestState(contactRequest.ID, contactRequest.ContactRequestState)
if err != nil {
return nil, err
}
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notification, err := m.persistence.GetActivityCenterNotificationByID(types.FromHex(contactRequest.ID))
if err != nil {
return nil, err
}
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if notification != nil {
err := m.persistence.UpdateActivityCenterNotificationMessage(notification.ID, contactRequest)
if err != nil {
return nil, err
}
notification.Message = contactRequest
response.AddActivityCenterNotification(notification)
}
response.AddMessage(contactRequest)
return response, nil
}
func (m *Messenger) DismissContactRequest(ctx context.Context, request *requests.DismissContactRequest) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
response, err := m.dismissContactRequest(request.ID.String(), false)
if err != nil {
return nil, err
}
err = m.syncContactRequestDecision(ctx, request.ID.String(), false)
if err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) updateAcceptedContactRequest(response *MessengerResponse, contactRequestID string) (*MessengerResponse, error) {
contactRequest, err := m.persistence.MessageByID(contactRequestID)
if err != nil {
return nil, err
}
contactRequest.ContactRequestState = common.ContactRequestStateAccepted
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err = m.persistence.SetContactRequestState(contactRequest.ID, contactRequest.ContactRequestState)
if err != nil {
return nil, err
}
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contact, _ := m.allContacts.Load(contactRequest.From)
contact.AcceptContactRequest()
chat, ok := m.allChats.Load(contact.ID)
if !ok {
publicKey, err := contact.PublicKey()
if err != nil {
return nil, err
}
chat = OneToOneFromPublicKey(publicKey, m.getTimesource())
chat.Active = false
if err := m.saveChat(chat); err != nil {
return nil, err
}
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
acceptContactRequest := &protobuf.AcceptContactRequest{
Id: contactRequest.ID,
Clock: clock,
}
encodedMessage, err := proto.Marshal(acceptContactRequest)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(context.Background(), common.RawMessage{
LocalChatID: contactRequest.From,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_ACCEPT_CONTACT_REQUEST,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
notification, err := m.persistence.GetActivityCenterNotificationByID(types.FromHex(contactRequest.ID))
if err != nil {
return nil, err
}
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if response == nil {
response = &MessengerResponse{}
}
if notification != nil {
err := m.persistence.UpdateActivityCenterNotificationMessage(notification.ID, contactRequest)
if err != nil {
return nil, err
}
notification.Message = contactRequest
response.AddActivityCenterNotification(notification)
}
response.AddMessage(contactRequest)
return response, nil
}
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func (m *Messenger) addContact(pubKey, ensName, nickname, displayName, contactRequestID string, syncing bool) (*MessengerResponse, error) {
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contact, ok := m.allContacts.Load(pubKey)
if !ok {
var err error
contact, err = buildContactFromPkString(pubKey)
if err != nil {
return nil, err
}
}
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if ensName != "" {
clock := m.getTimesource().GetCurrentTime()
err := m.ensVerifier.ENSVerified(pubKey, ensName, clock)
if err != nil {
return nil, err
}
}
if err := m.addENSNameToContact(contact); err != nil {
return nil, err
}
if len(nickname) != 0 {
contact.LocalNickname = nickname
}
if len(displayName) != 0 {
contact.DisplayName = displayName
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}
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if !contact.Added {
contact.Add()
}
contact.LastUpdatedLocally = m.getTimesource().GetCurrentTime()
contact.ContactRequestSent()
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if !syncing {
// We sync the contact with the other devices
err := m.syncContact(context.Background(), contact)
if err != nil {
return nil, err
}
}
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err := m.persistence.SaveContact(contact, nil)
if err != nil {
return nil, err
}
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// TODO(samyoul) remove storing of an updated reference pointer?
m.allContacts.Store(contact.ID, contact)
// And we re-register for push notications
err = m.reregisterForPushNotifications()
if err != nil {
return nil, err
}
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// Reset last published time for ChatIdentity so new contact can receive data
err = m.resetLastPublishedTimeForChatIdentity()
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if err != nil {
return nil, err
}
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// Create the corresponding chat
profileChat := m.buildProfileChat(contact.ID)
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_, err = m.Join(profileChat)
if err != nil {
return nil, err
}
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if err := m.saveChat(profileChat); err != nil {
return nil, err
}
// Fetch contact code
publicKey, err := contact.PublicKey()
if err != nil {
return nil, err
}
filter, err := m.transport.JoinPrivate(publicKey)
if err != nil {
return nil, err
}
_, err = m.scheduleSyncFilters([]*transport.Filter{filter})
if err != nil {
return nil, err
}
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ensName, err = m.settings.ENSName()
if err != nil {
return nil, err
}
displayName, err = m.settings.DisplayName()
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if err != nil {
return nil, err
}
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// Finally we send a contact update so they are notified we added them
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response, err := m.sendContactUpdate(context.Background(), pubKey, displayName, ensName, "")
if err != nil {
return nil, err
}
if len(contactRequestID) != 0 {
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response, err = m.updateAcceptedContactRequest(response, contactRequestID)
if err != nil {
return nil, err
}
}
// Send profile picture with contact request
chat, ok := m.allChats.Load(contact.ID)
if !ok {
chat = OneToOneFromPublicKey(publicKey, m.getTimesource())
chat.Active = false
if err := m.saveChat(chat); err != nil {
return nil, err
}
}
err = m.handleStandaloneChatIdentity(chat)
if err != nil {
return nil, err
}
response.AddChat(profileChat)
_, err = m.transport.InitFilters([]string{profileChat.ID}, []*ecdsa.PublicKey{publicKey})
if err != nil {
return nil, err
}
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// Publish contact code
err = m.publishContactCode()
if err != nil {
return nil, err
}
response.AddContact(contact)
return response, nil
}
func (m *Messenger) AddContact(ctx context.Context, request *requests.AddContact) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
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return m.addContact(request.ID.String(), request.ENSName, request.Nickname, request.DisplayName, "", false)
}
func (m *Messenger) resetLastPublishedTimeForChatIdentity() error {
// Reset last published time for ChatIdentity so new contact can receive data
contactCodeTopic := transport.ContactCodeTopic(&m.identity.PublicKey)
m.logger.Debug("contact state changed ResetWhenChatIdentityLastPublished")
return m.persistence.ResetWhenChatIdentityLastPublished(contactCodeTopic)
}
func (m *Messenger) removeContact(ctx context.Context, response *MessengerResponse, pubKey string) error {
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contact, ok := m.allContacts.Load(pubKey)
if !ok {
return ErrContactNotFound
}
contact.RetractContactRequest()
contact.Remove()
contact.LastUpdatedLocally = m.getTimesource().GetCurrentTime()
err := m.persistence.SaveContact(contact, nil)
if err != nil {
return err
}
err = m.syncContact(context.Background(), contact)
if err != nil {
return err
}
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// TODO(samyoul) remove storing of an updated reference pointer?
m.allContacts.Store(contact.ID, contact)
// And we re-register for push notications
err = m.reregisterForPushNotifications()
if err != nil {
return err
}
// Create the corresponding profile chat
profileChatID := buildProfileChatID(contact.ID)
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_, ok = m.allChats.Load(profileChatID)
if ok {
chatResponse, err := m.deactivateChat(profileChatID, 0, false)
if err != nil {
return err
}
err = response.Merge(chatResponse)
if err != nil {
return err
}
}
response.Contacts = []*Contact{contact}
return nil
}
func (m *Messenger) RemoveContact(ctx context.Context, pubKey string) (*MessengerResponse, error) {
response := new(MessengerResponse)
err := m.removeContact(ctx, response, pubKey)
if err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) Contacts() []*Contact {
var contacts []*Contact
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m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
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contacts = append(contacts, contact)
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return true
})
return contacts
}
func (m *Messenger) AddedContacts() []*Contact {
var contacts []*Contact
m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
if contact.Added {
contacts = append(contacts, contact)
}
return true
})
return contacts
}
func (m *Messenger) MutualContacts() []*Contact {
var contacts []*Contact
m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
if contact.Added && contact.HasAddedUs {
contacts = append(contacts, contact)
}
return true
})
return contacts
}
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func (m *Messenger) BlockedContacts() []*Contact {
var contacts []*Contact
m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
if contact.Blocked {
contacts = append(contacts, contact)
}
return true
})
return contacts
}
// GetContactByID assumes pubKey includes 0x prefix
func (m *Messenger) GetContactByID(pubKey string) *Contact {
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contact, _ := m.allContacts.Load(pubKey)
return contact
}
func (m *Messenger) SetContactLocalNickname(request *requests.SetContactLocalNickname) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
pubKey := request.ID.String()
nickname := request.Nickname
contact, ok := m.allContacts.Load(pubKey)
if !ok {
var err error
contact, err = buildContactFromPkString(pubKey)
if err != nil {
return nil, err
}
}
if err := m.addENSNameToContact(contact); err != nil {
return nil, err
}
clock := m.getTimesource().GetCurrentTime()
contact.LocalNickname = nickname
contact.LastUpdatedLocally = clock
err := m.persistence.SaveContact(contact, nil)
if err != nil {
return nil, err
}
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m.allContacts.Store(contact.ID, contact)
response := &MessengerResponse{}
response.Contacts = []*Contact{contact}
err = m.syncContact(context.Background(), contact)
if err != nil {
return nil, err
}
return response, nil
}
func (m *Messenger) blockContact(contactID string, isDesktopFunc bool) ([]*Chat, error) {
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contact, ok := m.allContacts.Load(contactID)
if !ok {
var err error
contact, err = buildContactFromPkString(contactID)
if err != nil {
return nil, err
}
}
if isDesktopFunc {
contact.BlockDesktop()
} else {
contact.Block()
}
contact.LastUpdatedLocally = m.getTimesource().GetCurrentTime()
chats, err := m.persistence.BlockContact(contact, isDesktopFunc)
if err != nil {
return nil, err
}
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m.allContacts.Store(contact.ID, contact)
for _, chat := range chats {
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m.allChats.Store(chat.ID, chat)
}
if !isDesktopFunc {
m.allChats.Delete(contact.ID)
m.allChats.Delete(buildProfileChatID(contact.ID))
}
err = m.syncContact(context.Background(), contact)
if err != nil {
return nil, err
}
// re-register for push notifications
err = m.reregisterForPushNotifications()
if err != nil {
return nil, err
}
return chats, nil
}
func (m *Messenger) BlockContact(contactID string) (*MessengerResponse, error) {
response := &MessengerResponse{}
chats, err := m.blockContact(contactID, false)
if err != nil {
return nil, err
}
response.AddChats(chats)
response, err = m.DeclineAllPendingGroupInvitesFromUser(response, contactID)
if err != nil {
return nil, err
}
err = m.persistence.DismissAllActivityCenterNotificationsFromUser(contactID)
if err != nil {
return nil, err
}
return response, nil
}
// The same function as the one above.
func (m *Messenger) BlockContactDesktop(contactID string) (*MessengerResponse, error) {
response := &MessengerResponse{}
chats, err := m.blockContact(contactID, true)
if err != nil {
return nil, err
}
response.AddChats(chats)
response, err = m.DeclineAllPendingGroupInvitesFromUser(response, contactID)
if err != nil {
return nil, err
}
err = m.persistence.DismissAllActivityCenterNotificationsFromUser(contactID)
if err != nil {
return nil, err
}
return response, nil
}
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func (m *Messenger) UnblockContact(contactID string) error {
contact, ok := m.allContacts.Load(contactID)
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if !ok || !contact.Blocked {
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return nil
}
contact.Unblock()
contact.LastUpdatedLocally = m.getTimesource().GetCurrentTime()
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err := m.persistence.SaveContact(contact, nil)
if err != nil {
return err
}
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m.allContacts.Store(contact.ID, contact)
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err = m.syncContact(context.Background(), contact)
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if err != nil {
return err
}
// re-register for push notifications
err = m.reregisterForPushNotifications()
if err != nil {
return err
}
return nil
}
// Send contact updates to all contacts added by us
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func (m *Messenger) SendContactUpdates(ctx context.Context, ensName, profileImage string) (err error) {
myID := contactIDFromPublicKey(&m.identity.PublicKey)
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displayName, err := m.settings.DisplayName()
if err != nil {
return err
}
if _, err = m.sendContactUpdate(ctx, myID, displayName, ensName, profileImage); err != nil {
return err
}
// TODO: This should not be sending paired messages, as we do it above
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m.allContacts.Range(func(contactID string, contact *Contact) (shouldContinue bool) {
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if contact.Added {
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if _, err = m.sendContactUpdate(ctx, contact.ID, displayName, ensName, profileImage); err != nil {
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return false
}
}
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return true
})
return err
}
// NOTE: this endpoint does not add the contact, the reason being is that currently
// that's left as a responsibility to the client, which will call both `SendContactUpdate`
// and `SaveContact` with the correct system tag.
// Ideally we have a single endpoint that does both, but probably best to bring `ENS` name
// on the messenger first.
// SendContactUpdate sends a contact update to a user and adds the user to contacts
func (m *Messenger) SendContactUpdate(ctx context.Context, chatID, ensName, profileImage string) (*MessengerResponse, error) {
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displayName, err := m.settings.DisplayName()
if err != nil {
return nil, err
}
return m.sendContactUpdate(ctx, chatID, displayName, ensName, profileImage)
}
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func (m *Messenger) sendContactUpdate(ctx context.Context, chatID, displayName, ensName, profileImage string) (*MessengerResponse, error) {
var response MessengerResponse
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contact, ok := m.allContacts.Load(chatID)
if !ok || !contact.Added {
return nil, nil
}
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chat, ok := m.allChats.Load(chatID)
if !ok {
publicKey, err := contact.PublicKey()
if err != nil {
return nil, err
}
chat = OneToOneFromPublicKey(publicKey, m.getTimesource())
// We don't want to show the chat to the user
chat.Active = false
}
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// TODO(samyoul) remove storing of an updated reference pointer?
m.allChats.Store(chat.ID, chat)
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
contactUpdate := &protobuf.ContactUpdate{
Clock: clock,
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DisplayName: displayName,
EnsName: ensName,
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ProfileImage: profileImage,
}
encodedMessage, err := proto.Marshal(contactUpdate)
if err != nil {
return nil, err
}
_, err = m.dispatchMessage(ctx, common.RawMessage{
LocalChatID: chatID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_CONTACT_UPDATE,
ResendAutomatically: true,
})
if err != nil {
return nil, err
}
response.Contacts = []*Contact{contact}
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response.AddChat(chat)
chat.LastClockValue = clock
err = m.saveChat(chat)
if err != nil {
return nil, err
}
return &response, nil
}
func (m *Messenger) addENSNameToContact(contact *Contact) error {
// Check if there's already a verified record
ensRecord, err := m.ensVerifier.GetVerifiedRecord(contact.ID)
if err != nil {
return err
}
if ensRecord == nil {
return nil
}
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contact.EnsName = ensRecord.Name
contact.ENSVerified = true
return nil
}
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func (m *Messenger) RetractContactRequest(request *requests.RetractContactRequest) (*MessengerResponse, error) {
err := request.Validate()
if err != nil {
return nil, err
}
contact, ok := m.allContacts.Load(request.ContactID.String())
if !ok {
return nil, errors.New("contact not found")
}
contact.HasAddedUs = false
m.allContacts.Store(contact.ID, contact)
response := &MessengerResponse{}
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err = m.removeContact(context.Background(), response, contact.ID)
if err != nil {
return nil, err
}
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err = m.sendRetractContactRequest(contact)
if err != nil {
return nil, err
}
return response, err
}
// Send message to remote account to remove our contact from their end.
func (m *Messenger) sendRetractContactRequest(contact *Contact) error {
chat, ok := m.allChats.Load(contact.ID)
if !ok {
pubKey, err := contact.PublicKey()
if err != nil {
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return err
}
chat = OneToOneFromPublicKey(pubKey, m.getTimesource())
chat.Active = false
if err := m.saveChat(chat); err != nil {
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return err
}
}
clock, _ := chat.NextClockAndTimestamp(m.getTimesource())
retractContactRequest := &protobuf.RetractContactRequest{
Clock: clock,
}
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encodedMessage, err := proto.Marshal(retractContactRequest)
if err != nil {
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return err
}
_, err = m.dispatchMessage(context.Background(), common.RawMessage{
LocalChatID: contact.ID,
Payload: encodedMessage,
MessageType: protobuf.ApplicationMetadataMessage_RETRACT_CONTACT_REQUEST,
ResendAutomatically: true,
})
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return err
}
func (m *Messenger) AcceptLatestContactRequestForContact(ctx context.Context, request *requests.AcceptLatestContactRequestForContact) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
contactRequestID, err := m.persistence.LatestPendingContactRequestIDForContact(request.ID.String())
if err != nil {
return nil, err
}
if contactRequestID == "" {
contactRequestID = defaultContactRequestID(request.ID.String())
}
return m.AcceptContactRequest(ctx, &requests.AcceptContactRequest{ID: types.Hex2Bytes(contactRequestID)})
}
func (m *Messenger) DismissLatestContactRequestForContact(ctx context.Context, request *requests.DismissLatestContactRequestForContact) (*MessengerResponse, error) {
if err := request.Validate(); err != nil {
return nil, err
}
contactRequestID, err := m.persistence.LatestPendingContactRequestIDForContact(request.ID.String())
if err != nil {
return nil, err
}
if contactRequestID == "" {
contactRequestID = defaultContactRequestID(request.ID.String())
}
return m.DismissContactRequest(ctx, &requests.DismissContactRequest{ID: types.Hex2Bytes(contactRequestID)})
}
func (m *Messenger) PendingContactRequests(cursor string, limit int) ([]*common.Message, string, error) {
return m.persistence.PendingContactRequests(cursor, limit)
}
func defaultContactRequestID(contactID string) string {
return "0x" + types.Bytes2Hex(append(types.Hex2Bytes(contactID), 0x20))
}