code: func (ccpack *SignedCDSPackage) GetId() []byte {
  	//this has to be after creating a package and initializing it
  	//If those steps fail, GetId() should never be called
  	if ccpack.id == nil {
  		panic("GetId called on uninitialized package")
  	}
  	return ccpack.id
  }
docs: // GetId gets the fingerprint of the chaincode based on package computation