| 65 | } |
| 66 | |
| 67 | func (s *Scanner) update() { |
| 68 | defer s.wg.Done() |
| 69 | syncEventCh := make(chan protocol.EthStorageSyncDone) |
| 70 | sub := s.feed.Subscribe(syncEventCh) |
| 71 | defer func() { |
| 72 | sub.Unsubscribe() |
| 73 | close(syncEventCh) |
| 74 | s.lg.Debug("Scanner event subscription closed") |
| 75 | }() |
| 76 | |
| 77 | for { |
| 78 | s.lg.Debug("Scanner update loop") |
| 79 | select { |
| 80 | case syncDone, ok := <-syncEventCh: |
| 81 | if !ok { |
| 82 | s.lg.Debug("syncEventCh closed, exiting update loop") |
| 83 | return |
| 84 | } |
| 85 | if syncDone.DoneType == protocol.AllShardDone { |
| 86 | s.lg.Info("Scanner update loop received event - all shards done.") |
| 87 | s.start() |
| 88 | return |
| 89 | } |
| 90 | case <-s.ctx.Done(): |
| 91 | return |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | func (s *Scanner) start() { |
| 97 | s.mu.Lock() |