code: func UnmarshalChaincodeID(bytes []byte) (*pb.ChaincodeID, error) {
  	ccid := &pb.ChaincodeID{}
  	err := proto.Unmarshal(bytes, ccid)
  	if err != nil {
  		return nil, errors.Wrap(err, "error unmarshaling ChaincodeID")
  	}
  
  	return ccid, nil
  }
docs: // UnmarshalChaincodeID returns a ChaincodeID from bytes