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server: Only advertise local addr when current.

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This changes the server peers OnVersion handler to only advertise the
server as a viable target for inbound connections when the server
believes it is close the best known tip.

Backported from Decred.
This commit is contained in:
Dave Collins 2018-08-10 23:04:26 -05:00
parent d2c7892aa4
commit c8b9fab820
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GPG key ID: B8904D9D9C93D1F2
1 changed files with 3 additions and 3 deletions
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6
server.go
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@ -453,9 +453,9 @@ func (sp *serverPeer) OnVersion(_ *peer.Peer, msg *wire.MsgVersion) *wire.MsgRej
return nil
}
// TODO(davec): Only do this if not doing the initial block
// download and the local address is routable.
if !cfg.DisableListen /* && isCurrent? */ {
// Advertise the local address when the server accepts incoming
// connections and it believes itself to be close to the best known tip.
if !cfg.DisableListen && sp.server.syncManager.IsCurrent() {
// Get address that best matches.
lna := addrManager.GetBestLocalAddress(sp.NA())
if addrmgr.IsRoutable(lna) {