package engine

import (
	"crypto/sha256"
	"io/ioutil"
)

// UniqueFileHash uses SHA256 to create a hash of the file
func UniqueFileHash(src string) ([]byte, error) {
	file, err := ioutil.ReadFile(src)
	if err != nil {
		return []byte{}, err
	}
	hasher := sha256.New()
	hasher.Write(file)
	hash := hasher.Sum(nil)
	return hash, nil
}