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Gives preference to IPv4 when connecting to Sequencer's feed #2650

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Gives preference to IPv4 when connecting to Sequencer's feed #2650

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12 changes: 12 additions & 0 deletions broadcastclient/broadcastclient.go
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Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,18 @@ func (bc *BroadcastClient) connect(ctx context.Context, nextSeqNum arbutil.Messa
MinVersion: tls.VersionTLS12,
},
Extensions: extensions,
NetDial: func(ctx context.Context, network, addr string) (net.Conn, error) {
var netDialer net.Dialer
// For tcp connections, prefer IPv4 over IPv6 to avoid rate limiting issues
if network == "tcp" {
conn, err := netDialer.DialContext(ctx, "tcp4", addr)
if err == nil {
return conn, nil
}
return netDialer.DialContext(ctx, "tcp6", addr)
}
return netDialer.DialContext(ctx, network, addr)
},
}

if bc.isShuttingDown() {
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