arrays/arrays.go
func UInt64ToBytes(value uint64) []byte {
	result := make([]byte, 8)
	binary.BigEndian.PutUint64(result, value)

	return result
}
func UInt64ToBytes(value uint64) []byte {
	result := make([]byte, 8)
	binary.BigEndian.PutUint64(result, value)

	return result
}
// UInt64ToBytes unwrap uint64 value to byte array of length 8 using big endian