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watchtower: dont load closed channel details

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In this commit, the FetchChanSummaries method is adapted to skip loading
any channel summaries if the channel has been marked as closed.
This commit is contained in:
Elle Mouton
2022-10-26 10:31:39 +02:00
parent 26e628c0fe
commit d840761cc4
3 changed files with 18 additions and 3 deletions
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10
watchtower/wtdb/client_db.go
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@@ -1284,7 +1284,8 @@ func (c *ClientDB) NumAckedUpdates(id *SessionID) (uint64, error) {
}
// FetchChanSummaries loads a mapping from all registered channels to their
// channel summaries.
// channel summaries. Only the channels that have not yet been marked as closed
// will be loaded.
func (c *ClientDB) FetchChanSummaries() (ChannelSummaries, error) {
var summaries map[lnwire.ChannelID]ClientChanSummary
@@ -1300,6 +1301,13 @@ func (c *ClientDB) FetchChanSummaries() (ChannelSummaries, error) {
return ErrCorruptChanDetails
}
// If this channel has already been marked as closed,
// then its summary does not need to be loaded.
closedHeight := chanDetails.Get(cChanClosedHeight)
if len(closedHeight) > 0 {
return nil
}
var chanID lnwire.ChannelID
copy(chanID[:], k)