lotus/node/modules/lp2p/pnet.go

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2019-07-02 12:40:25 +00:00
package lp2p
import (
"fmt"
"strings"
"github.com/libp2p/go-libp2p"
pnet "github.com/libp2p/go-libp2p-pnet"
)
var lotusKey = "/key/swarm/psk/1.0.0/\n/base16/\n20c72398e6299c7bbc1b501fdcc8abe4f89f798e9b93b2d2bc02e3c29b6a088e"
type PNetFingerprint []byte
func PNet() (opts Libp2pOpts, fp PNetFingerprint, err error) {
protec, err := pnet.NewProtector(strings.NewReader(lotusKey))
if err != nil {
return opts, nil, fmt.Errorf("failed to configure private network: %s", err)
}
fp = protec.Fingerprint()
opts.Opts = append(opts.Opts, libp2p.PrivateNetwork(protec))
return opts, fp, nil
}
/*
func PNetChecker(repo repo.Repo, ph host.Host, lc fx.Lifecycle) error {
// TODO: better check?
swarmkey, err := repo.SwarmKey()
if err != nil || swarmkey == nil {
return err
}
done := make(chan struct{})
lc.Append(fx.Hook{
OnStart: func(_ context.Context) error {
go func() {
t := time.NewTicker(30 * time.Second)
defer t.Stop()
<-t.C // swallow one tick
for {
select {
case <-t.C:
if len(ph.Network().Peers()) == 0 {
log.Warning("We are in private network and have no peers.")
log.Warning("This might be configuration mistake.")
}
case <-done:
return
}
}
}()
return nil
},
OnStop: func(_ context.Context) error {
close(done)
return nil
},
})
return nil
}
*/