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autopilot/agent: move expensive graph lookup after channel size check

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This commit is contained in:
Johan T. Halseth 2019-08-27 09:53:52 +02:00
parent 81cb3cb739
commit 2dbc4fe973
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GPG Key ID: 15BAADA29DA20D26
1 changed files with 11 additions and 11 deletions
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22
autopilot/agent.go
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@ -523,6 +523,17 @@ func (a *Agent) controller() {
func (a *Agent) openChans(availableFunds btcutil.Amount, numChans uint32, func (a *Agent) openChans(availableFunds btcutil.Amount, numChans uint32,
totalChans []Channel) error { totalChans []Channel) error {
// As channel size we'll use the maximum channel size available.
chanSize := a.cfg.Constraints.MaxChanSize()
if availableFunds < chanSize {
chanSize = availableFunds
}
if chanSize < a.cfg.Constraints.MinChanSize() {
return fmt.Errorf("not enough funds available to open a " +
"single channel")
}
// We're to attempt an attachment so we'll obtain the set of // We're to attempt an attachment so we'll obtain the set of
// nodes that we currently have channels with so we avoid // nodes that we currently have channels with so we avoid
// duplicate edges. // duplicate edges.
@ -571,17 +582,6 @@ func (a *Agent) openChans(availableFunds btcutil.Amount, numChans uint32,
return fmt.Errorf("unable to get graph nodes: %v", err) return fmt.Errorf("unable to get graph nodes: %v", err)
} }
// As channel size we'll use the maximum channel size available.
chanSize := a.cfg.Constraints.MaxChanSize()
if availableFunds < chanSize {
chanSize = availableFunds
}
if chanSize < a.cfg.Constraints.MinChanSize() {
return fmt.Errorf("not enough funds available to open a " +
"single channel")
}
// Use the heuristic to calculate a score for each node in the // Use the heuristic to calculate a score for each node in the
// graph. // graph.
log.Debugf("Scoring %d nodes for chan_size=%v", len(nodes), chanSize) log.Debugf("Scoring %d nodes for chan_size=%v", len(nodes), chanSize)