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network: add ability to specify port for P2P version exchange

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This commit is contained in:
Anna Shaleva 2021-04-30 11:24:43 +03:00
parent 5924123927
commit 09bb162de0
3 changed files with 13 additions and 2 deletions
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8
pkg/network/server.go
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@ -1278,8 +1278,14 @@ func (s *Server) broadcastTxLoop() {
}
}
// Port returns actual server port. It may differs from that of server.Config.
// Port returns a server port that should be used in P2P version exchange. In
// case if `AnnouncedPort` is set in the server.Config, the announced node port
// will be returned (e.g. consider the node running behind NAT). If `AnnouncedPort`
// isn't set, the port returned may still differs from that of server.Config.
func (s *Server) Port() (uint16, error) {
if s.AnnouncedPort != 0 {
return s.ServerConfig.AnnouncedPort, nil
}
var port uint16
_, portStr, err := net.SplitHostPort(s.transport.Address())
if err != nil {