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htlcswitch/switch: add method HasActiveLink

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Johan T. Halseth 2018-08-09 10:03:14 +02:00
parent 940d0735f8
commit 887722f38f
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1 changed files with 10 additions and 0 deletions
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10
htlcswitch/switch.go
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@ -1902,6 +1902,16 @@ func (s *Switch) getLinkByShortID(chanID lnwire.ShortChannelID) (ChannelLink, er
return link, nil
}
// HasActiveLink returns true if the given channel ID has a link in the link
// index.
func (s *Switch) HasActiveLink(chanID lnwire.ChannelID) bool {
s.indexMtx.RLock()
defer s.indexMtx.RUnlock()
_, ok := s.linkIndex[chanID]
return ok
}
// RemoveLink purges the switch of any link associated with chanID. If a pending
// or active link is not found, this method does nothing. Otherwise, the method
// returns after the link has been completely shutdown.