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eth/txtracker: make Stop safe before Start and idempotent

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This commit is contained in:
Csaba Kiraly 2026-06-22 17:55:50 +02:00
parent 00c5d3214a
commit ccd5fced83
1 changed files with 10 additions and 5 deletions
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5
eth/txtracker/tracker.go
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@ -81,6 +81,7 @@ type Tracker struct {
sub event.Subscription sub event.Subscription
quit chan struct{} quit chan struct{}
stopOnce sync.Once
step chan struct{} // test sync: sent after each event is processed step chan struct{} // test sync: sent after each event is processed
wg sync.WaitGroup wg sync.WaitGroup
} }
@ -118,8 +119,12 @@ func (t *Tracker) NotifyPeerDrop(peer string) {
// Stop shuts down the tracker. // Stop shuts down the tracker.
func (t *Tracker) Stop() { func (t *Tracker) Stop() {
t.stopOnce.Do(func() {
if t.sub != nil {
t.sub.Unsubscribe() t.sub.Unsubscribe()
}
close(t.quit) close(t.quit)
})
t.wg.Wait() t.wg.Wait()
} }