// GetChaincodePackageBytes creates bytes for docker container generation using the supplied chaincode specification
func GetChaincodePackageBytes(spec *pb.ChaincodeSpec) ([]byte, error) {
if spec == nil || spec.ChaincodeID == nil {
return nil, fmt.Errorf("invalid chaincode spec")
}
if spec.ChaincodeID.Name != "" {
return nil, fmt.Errorf("chaincode name exists")
}
inputbuf := bytes.NewBuffer(nil)
gw := gzip.NewWriter(inputbuf)
tw := tar.NewWriter(gw)
platform, err := platforms.Find(spec.Type)
if err != nil {
return nil, err
}
err = platform.WritePackage(spec, tw)
if err != nil {
return nil, err
}
tw.Close()
gw.Close()
if err != nil {
return nil, err
}
chaincodePkgBytes := inputbuf.Bytes()
return chaincodePkgBytes, nil
}
// CheckSpec to see if chaincode resides within current package capture for language.
func CheckSpec(spec *pb.ChaincodeSpec) error {
// Don't allow nil value
if spec == nil {
return errors.New("Expected chaincode specification, nil received")
}
platform, err := platforms.Find(spec.Type)
if err != nil {
return fmt.Errorf("Failed to determine platform type: %s", err)
}
return platform.ValidateSpec(spec)
}