func publish(ctx context.Context, n *core.IpfsNode, k crypto.PrivKey, ref path.Path, opts *publishOpts) (*IpnsEntry, error) {
if opts.verifyExists {
// verify the path exists
_, err := core.Resolve(ctx, n.Namesys, n.Resolver, ref)
if err != nil {
return nil, err
}
}
eol := time.Now().Add(opts.pubValidTime)
err := n.Namesys.PublishWithEOL(ctx, k, ref, eol)
if err != nil {
return nil, err
}
hash, err := k.GetPublic().Hash()
if err != nil {
return nil, err
}
return &IpnsEntry{
Name: key.Key(hash).String(),
Value: ref.String(),
}, nil
}
func PutRecordToRouting(ctx context.Context, k ci.PrivKey, value path.Path, seqnum uint64, eol time.Time, r routing.ValueStore, id peer.ID) error {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
namekey, ipnskey := IpnsKeysForID(id)
entry, err := CreateRoutingEntryData(k, value, seqnum, eol)
if err != nil {
return err
}
ttl, ok := checkCtxTTL(ctx)
if ok {
entry.Ttl = proto.Uint64(uint64(ttl.Nanoseconds()))
}
errs := make(chan error, 2)
go func() {
errs <- PublishEntry(ctx, r, ipnskey, entry)
}()
go func() {
errs <- PublishPublicKey(ctx, r, namekey, k.GetPublic())
}()
err = waitOnErrChan(ctx, errs)
if err != nil {
return err
}
err = waitOnErrChan(ctx, errs)
if err != nil {
return err
}
return nil
}
func spawnDHT(pk ci.PrivKey, dstore repo.Datastore, bootstraps []ma.Multiaddr) (*dht.IpfsDHT, error) {
pub := pk.GetPublic()
local, err := peer.IDFromPublicKey(pub)
if err != nil {
return nil, err
}
fmt.Println("Local peer ID: ", local.Pretty())
ps := pstore.NewPeerstore()
ps.AddPrivKey(local, pk)
ps.AddPubKey(local, pub)
listenaddr, err := ma.NewMultiaddr("/ip4/0.0.0.0/tcp/0")
if err != nil {
return nil, err
}
s, err := swarm.NewNetwork(context.Background(), []ma.Multiaddr{listenaddr}, local, ps, metrics.NewBandwidthCounter())
if err != nil {
fatal(err)
}
host := basichost.New(s)
idht := dht.NewDHT(context.Background(), host, dstore)
idht.Validator[IpnsValidatorTag] = namesys.IpnsRecordValidator
idht.Selector[IpnsValidatorTag] = namesys.IpnsSelectorFunc
err = doBootstrap(host, idht, bootstraps)
if err != nil {
return nil, err
}
return idht, nil
}