func (r *DefaultRouter) check(node api.Node, pubkey bc.PubKey, channelName string, idx uint16, nonce []byte, message []byte) (bool, error) {
hash, err := bc.DestHash(pubkey, nonce)
if err != nil {
return false, err
}
hashLen := uint16(len(hash))
nonceHash := message[idx+16 : idx+16+hashLen]
if bytes.Equal(hash, nonceHash) { // named channel key match
if err := node.Handle(channelName, message[idx+16+hashLen:]); err != nil {
return false, err
}
return true, nil
}
return false, nil
}
