// wrapConnAsProto establishes the moose protocol on the raw ipfs connection
func wrapConnAsProto(conn net.Conn, node *ipfsutil.Node, peerHash string) (*protocol.Protocol, error) {
pub, err := node.PublicKeyFor(peerHash)
if err != nil {
return nil, err
}
priv, err := node.PrivateKey()
if err != nil {
return nil, err
}
authrw := security.NewAuthReadWriter(conn, priv, pub)
if err := authrw.Trigger(); err != nil {
return nil, err
}
return protocol.NewProtocol(authrw, true), nil
}
func register(node *ipfsutil.Node, id ID) error {
hash := id.Hash()
peers, err := ipfsutil.Locate(node, hash, 1, 5*time.Second)
if err != nil && err != util.ErrTimeout {
return err
}
// Check if some id is our own:
if len(peers) > 0 {
self, err := node.Identity()
if err != nil {
return err
}
wasSelf := false
for _, peer := range peers {
if peer.ID == self {
wasSelf = true
}
}
if wasSelf {
return ErrAlreadyRegistered
}
}
// If it was an timeout, it's probably not yet registered.
otherHash, err := ipfsutil.AddBlock(node, id.asBlockData())
if !bytes.Equal(otherHash, hash) {
log.Warningf("Hash differ during register; did the hash func changed?")
}
if err != nil {
return err
}
return nil
}