Function CountXpubs

src/test/descriptor_tests.cpp:80–89

Count the number of times the string "xpub" appears in a descriptor string

// Count the number of times the string "xpub" appears in a descriptor string
static size_t CountXpubs(const std::string& desc)
{
    size_t count = 0;
    size_t p = desc.find("xpub", 0);
    while (p != std::string::npos) {
        count++;
        p = desc.find("xpub", p + 1);
    }
    return count;
}

const std::set<std::vector<uint32_t>> ONLY_EMPTY{{}};