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peer: Stop setting AddrMe in the version message.

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Older nodes previously added the IP and port information to the address
manager which proved to be unreliable as an inbound connection from a
peer didn't necessarily mean the peer itself accepted inbound
connections.

This also fixes a bug where the peer package was incorrectly sending
the peer's services as its own.
This commit is contained in:
David Hill 2016-10-23 13:44:34 -04:00
parent bca9877796
commit a09d052f96
1 changed files with 11 additions and 5 deletions
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16
peer/peer.go
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@ -784,11 +784,17 @@ func (p *Peer) localVersionMsg() (*wire.MsgVersion, error) {
}
}
// TODO(tuxcanfly): In case BestLocalAddress is nil, ourNA defaults to
// remote NA, which is wrong. Need to fix this.
ourNA := p.na
if p.cfg.BestLocalAddress != nil {
ourNA = p.cfg.BestLocalAddress(p.na)
// Create a wire.NetAddress with only the services set to use as the
// "addrme" in the version message.
//
// Older nodes previously added the IP and port information to the
// address manager which proved to be unreliable as an inbound
// connection from a peer didn't necessarily mean the peer itself
// accepted inbound connections.
//
// Also, the timestamp is unused in the version message.
ourNA := &wire.NetAddress{
Services: p.cfg.Services,
}
// Generate a unique nonce for this peer so self connections can be