Encoding verifyChecksum()

in src/main/java/org/openvasp/core/lnurl/Bech32.java [98:110]

• 13 lines of code
• 3 McCabe index (conditional complexity)

    Encoding verifyChecksum(final String hrp, final byte[] values) {
        byte[] hrpExpanded = expandHrp(hrp);
        byte[] combined = new byte[hrpExpanded.length + values.length];
        System.arraycopy(hrpExpanded, 0, combined, 0, hrpExpanded.length);
        System.arraycopy(values, 0, combined, hrpExpanded.length, values.length);
        final int check = polymod(combined);
        if (check == BECH32_CONST)
            return Encoding.BECH32;
        else if (check == BECH32M_CONST)
            return Encoding.BECH32M;
        else
            return null;
    }