https://travis-ci.org/github/MarcoFalke/btc_nightly/jobs/680655419#L412
{
private:
    bool m_change{true};
    std::string m_label;
public:
    std::string purpose;
    CAddressBookData() : purpose("unknown") {}
    typedef std::map<std::string, std::string> StringMap;
    StringMap destdata;
    bool IsChange() const { return m_change; }
    const std::string& GetLabel() const { return m_label; }
    void SetLabel(const std::string& label) {
        m_change = false;
        m_label = label;
    }
};
struct CRecipient
{
    CScript scriptPubKey;
    CAmount nAmount;
    bool fSubtractFeeFromAmount;
};
typedef std::map<std::string, std::string> mapValue_t;
static inline void ReadOrderPos(int64_t& nOrderPos, mapValue_t& mapValue)