uniq.go

package main

import (
	"fmt"
	"math/rand"
	"time"
)

func main() {
    fmt.Printf("Generated service id: %s\n", CreateServiceID())
}

func CastUint64ToString(id uint64) (serviceID string) {
	return fmt.Sprintf("%017x", id)
}

func CreateServiceID() string {
	randnum := rand.Uint64() << 28
	fmt.Println(randnum)
	timestamp := uint64(time.Now().Unix()) & 0xfffffff
	fmt.Println(timestamp)
	num := (randnum) | (timestamp)
	fmt.Println(num)
	str := CastUint64ToString(num)
	fmt.Println(str)
    return str
}