class SelectionRule {

    public static boolean isThisBlockHashSmaller(byte[] thisBlockHash, byte[] compareBlockHash) {
        return FastByteComparisons.compareTo(
                thisBlockHash, BYTE_ARRAY_OFFSET, BYTE_ARRAY_LENGTH,
                compareBlockHash, BYTE_ARRAY_OFFSET, BYTE_ARRAY_LENGTH) < 0;
    }

}