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[NOD-1020] Do send addr response to getaddr messages even if there aren't any addresses to send. (#740)

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stasatdaglabs 2020-06-01 14:09:18 +03:00 committed by GitHub
parent 3a22249be9
commit 2d798a5611
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1 changed files with 1 additions and 7 deletions
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8
peer/peer.go
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@ -755,18 +755,12 @@ func (p *Peer) localVersionMsg() (*wire.MsgVersion, error) {
// addresses. This function is useful over manually sending the message via
// QueueMessage since it automatically limits the addresses to the maximum
// number allowed by the message and randomizes the chosen addresses when there
// are too many. It returns the addresses that were actually sent and no
// message will be sent if there are no entries in the provided addresses slice.
// are too many. It returns the addresses that were actually sent.
//
// This function is safe for concurrent access.
func (p *Peer) PushAddrMsg(addresses []*wire.NetAddress, subnetworkID *subnetworkid.SubnetworkID) ([]*wire.NetAddress, error) {
addressCount := len(addresses)
// Nothing to send.
if addressCount == 0 {
return nil, nil
}
msg := wire.NewMsgAddr(false, subnetworkID)
msg.AddrList = make([]*wire.NetAddress, addressCount)
copy(msg.AddrList, addresses)