func hashComparator()

in qldbdriver/qldbhash.go [81:105]

• 21 lines of code
• 7 McCabe index (conditional complexity)

func hashComparator(h1 []byte, h2 []byte) (int16, error) {
	if len(h1) != hashSize || len(h2) != hashSize {
		return 0, &qldbDriverError{"invalid hash"}
	}
	for i := range h1 {
		// Reverse index for little endianness
		index := hashSize - 1 - i

		// Handle byte being unsigned and overflow
		h1Int := int16(h1[index])
		h2Int := int16(h2[index])
		if h1Int > 127 {
			h1Int = 0 - (256 - h1Int)
		}
		if h2Int > 127 {
			h2Int = 0 - (256 - h2Int)
		}

		difference := h1Int - h2Int
		if difference != 0 {
			return difference, nil
		}
	}
	return 0, nil
}