platforms

type Platform interface {
	ValidateSpec(spec *pb.ChaincodeSpec) error

	//for step 1: codepath is divided into two parts, the packpath part is reserved in
	//the chaincode bytecode
	//shouldclean indicate the code path should be remove after being used
	//the path argument MUST be the chaincodeID.Path in corresponding spec
	GetCodePath(string) (rootpath string, packpath string, shouldclean bool, err error)
	//for step 2: this suppose we have an archive of codes under the "ccfile" (magic string)
	//directory and platform should provided extra resources into the archive and a dockerfile
	//template which can correctly build the chaincode
	WriteDockerRunTime(spec *pb.ChaincodeSpec, tw *tar.Writer) (string, error)
}