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Merge pull request #1367 from halseth/waitpredicate-interval

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lntest/harness: add pollIntervall to WaitPredicate
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Olaoluwa Osuntokun 2018-06-13 19:17:30 -07:00 committed by GitHub
commit 6830024faf
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1 changed files with 4 additions and 0 deletions
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4
lntest/harness.go
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@ -1042,8 +1042,12 @@ func (n *NetworkHarness) AssertChannelExists(ctx context.Context,
// several running lnd nodes. This function gives callers a way to assert that
// some property is upheld within a particular time frame.
func WaitPredicate(pred func() bool, timeout time.Duration) error {
const pollInterval = 20 * time.Millisecond
exitTimer := time.After(timeout)
for {
<-time.After(pollInterval)
select {
case <-exitTimer:
return fmt.Errorf("predicate not satisfied after time out")