Chaincode key functions from ChaincodeStubInterface

chaincode_key_funcs.go

interface ChaincodeStubInterface {
  // The function creates a key by combining the attributes into a single string.
  // The arguments must be valid utf8 strings and must not contain U+0000 (nil byte) and U+10FFFF charactres.
  func CreateCompositeKey(objectType string, attributes []string) (string, error)

  // The function splits the compositeKey into attributes from which the key was formed.
  // This function is useful for extracting attributes from keys returned by range queries.
  func SplitCompositeKey(compositeKey string) (string, []string, error)
}