chore: resume archives import with delay

closes: status-im/status-desktop#10937

protocol/messenger.go

@@ -773,6 +773,7 @@ func (m *Messenger) Start() (*MessengerResponse, error) {
 			return nil, err
 		}
 	}
+	m.enableHistoryArchivesImportAfterDelay()
 
 	if m.httpServer != nil {
 		err = m.httpServer.Start()

protocol/messenger_communities.go

@@ -50,11 +50,13 @@ var updateActiveMembersInterval = 24 * time.Hour
 const discordTimestampLayout = "2006-01-02T15:04:05+00:00"
 
 var importRateLimiter = rate.NewLimiter(rate.Every(importSlowRate), 1)
+var importDelayer = make(chan struct{})
 
 const (
 	importSlowRate          = time.Second / 1
 	importFastRate          = time.Second / 100
 	importMessagesChunkSize = 10
+	importInitialDelay      = time.Minute * 5
 )
 
 const (
@@ -2334,6 +2336,13 @@ func (m *Messenger) InitHistoryArchiveTasks(communities []*communities.Community
 	}
 }
 
+func (m *Messenger) enableHistoryArchivesImportAfterDelay() {
+	go func() {
+		time.Sleep(importInitialDelay)
+		close(importDelayer)
+	}()
+}
+
 func (m *Messenger) resumeHistoryArchivesImport(communityID types.HexBytes) error {
 	archiveIDsToImport, err := m.communitiesManager.GetMessageArchiveIDsToImport(communityID)
 	if err != nil {
@@ -2391,6 +2400,13 @@ func (m *Messenger) importHistoryArchives(communityID types.HexBytes, cancel cha
 		cancelFunc()
 	}()
 
+	// don't proceed until initial import delay has passed
+	select {
+	case <-importDelayer:
+	case <-ctx.Done():
+		return nil
+	}
+
 importMessageArchivesLoop:
 	for {
 		select {