cURL.h

#pragma once

#include <iomanip>
#include <string>
#include <curl/curl.h>
#include "cJSON.h"

static size_t WriteMemoryCallback(char* contents, size_t size, size_t nmemb, std::string* out)
{
    std::size_t total_size = size * nmemb;
    if (total_size)
    {
        out->append(contents, total_size);
        return total_size;
    }
    return 0;
}

class cURL
{
public:
    cURL();
    ~cURL();

    inline void InitCURL()
    {
        m_headerlist = nullptr;
        curl_global_init(CURL_GLOBAL_ALL);
        m_curl = curl_easy_init();
    }

    inline void CleanCURL()
    {
        m_strResourceJSON.clear();
        m_str_buffer.clear();

        curl_easy_cleanup(m_curl);
        curl_slist_free_all(m_headerlist);
        curl_global_cleanup();
    }

    inline void SetCurlHeaderList(const std::string _Content_Type)
    {
        m_headerlist = curl_slist_append(m_headerlist, _Content_Type.c_str());
    };

    inline void SetUrl(const std::string _Url)
    {
        m_strTargetURL.assign(_Url.c_str());
    };

    inline void AppendUrl(const std::string _Url)
    {
        m_strTargetURL.append(_Url.c_str());
    }

    long double Get_TokenBalance(const std::string _Param, const std::string _Param2, const std::string _Param3, cJSON* Json);

    __int64 Get_GasFee(const std::string _Param, cJSON* Json);
    __int64 Get_GasLimit(std::string _Param, std::string _Param2, std::string _Param3, cJSON* Json);

    StErrorCode Transfer_Reward(const std::string _Param, const std::string _Param2, const std::string _Param3, const std::string _Param4, const std::string _Param5, const std::string _Param6, const std::string _Param7, const std::string _Param8, const int _ncount, cJSON* Json);

private:
    CURL* m_curl;
    CURLcode m_res;

    std::string m_strTargetURL;
    std::map<int, std::string>	m_ResourceMap;
    std::string m_strResourceJSON;
    std::string m_str_buffer;
    struct curl_slist* m_headerlist;
};