util

Documentation

Index

• func ComputeHash(contents []byte, hash []byte) []byte
• func HashFilesInDir(rootDir string, dir string, hash []byte, tw *tar.Writer) ([]byte, error)
• func IsCodeExist(tmppath string) error

Functions

func ComputeHash

func ComputeHash(contents []byte, hash []byte) []byte

ComputeHash computes contents hash based on previous hash

func HashFilesInDir

func HashFilesInDir(rootDir string, dir string, hash []byte, tw *tar.Writer) ([]byte, error)

HashFilesInDir computes h=hash(h,file bytes) for each file in a directory Directory entries are traversed recursively. In the end a single hash value is returned for the entire directory structure

func IsCodeExist

func IsCodeExist(tmppath string) error

IsCodeExist checks the chaincode if exists