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p2p: add comment

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This commit is contained in:
Felix Lange 2020-05-11 11:12:23 +02:00
parent d89533817a
commit 1372f8b1c6
1 changed files with 3 additions and 0 deletions
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3
p2p/dial.go
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@ -390,6 +390,9 @@ func (d *dialScheduler) checkDial(n *enode.Node) error {
return errSelf
}
if n.IP() != nil && n.TCP() == 0 {
// This check can trigger if a non-TCP node is found
// by discovery. If there is no IP, the node is a static
// node and the actual endpoint will be resolved later in dialTask.
return errNoPort
}
if _, ok := d.dialing[n.ID()]; ok {