InterfaceDocument/getPrecisions.cpp

#include <json/json.h>
#include <curl/curl.h>

// 函数：获取精度信息
std::map<std::string, std::string> getPrecisions(const std::string& platform) {
    std::map<std::string, std::string> precisions;
    CURL* curl;
    CURLcode res;
    std::string response;
    
    curl_global_init(CURL_GLOBAL_DEFAULT);
    curl = curl_easy_init();
    if (curl) {
        // 定义请求 URL
        std::string url = "http://43.133.213.20:8001/api/v1/PrecisionInfo/platform";
        
        // 定义请求数据
        std::string query = "platform=" + platform;

        // 设置 CURL 选项
        curl_easy_setopt(curl, CURLOPT_URL, (url + "?" + query).c_str());
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 15L); // 设置超时时间为15秒

        // 执行请求
        res = curl_easy_perform(curl);
        if (res != CURLE_OK) {
            std::cerr << "getPrecisions failed: " << curl_easy_strerror(res) << std::endl;
        } else {
            Json::Value jsonData;
            Json::CharReaderBuilder readerBuilder;
            std::string errs;

            std::istringstream responseStream(response);
            if (Json::parseFromStream(readerBuilder, responseStream, &jsonData, &errs)) {
                for (const auto& key : jsonData.getMemberNames()) {
                    // std::cout << key << ": " << jsonData[key] << std::endl;
                    precisions[key] = jsonData[key].toStyledString();
                }
            } else {
                std::cerr << "解析 JSON 失败: " << errs << std::endl;
            }
        }
        // 清理
        curl_easy_cleanup(curl);
    }
    curl_global_cleanup();
    
    return precisions;
}


 // 调用示例
std::map<std::string, std::string> precisions = getPrecisions(platform);

// 打印解析后的结果（如果解析了的话）
for (const auto& kv : precisions) {
    if (kv.first == GateSwapUSymbolLower) {
        std::cout << kv.first << ": " << kv.second << std::endl;
        Json::Value jsonData;
        Json::CharReaderBuilder readerBuilder;
        std::string errs;

        std::istringstream responseStream(kv.second);
        if (Json::parseFromStream(readerBuilder, responseStream, &jsonData, &errs)) {
            double min_size = jsonData["min_size"].asDouble();
            double min_value = jsonData["min_value"].asDouble();
            double price_decimal = jsonData["price_decimal"].asDouble();
            int price_precision = jsonData["price_precision"].asInt();
            int real_size_precision = jsonData["real_size_precision"].asInt();
            GateSwapUsize_decimal = jsonData["size_decimal"].asDouble();
            int size_precision = jsonData["size_precision"].asInt();

            std::cout << "min_size: " << min_size << std::endl;
            std::cout << "min_value: " << min_value << std::endl;
            std::cout << "price_decimal: " << price_decimal << std::endl;
            std::cout << "price_precision: " << price_precision << std::endl;
            std::cout << "real_size_precision: " << real_size_precision << std::endl;
            std::cout << "GateSwapUsize_decimal: " << GateSwapUsize_decimal << std::endl;
            std::cout << "size_precision: " << size_precision << std::endl;
        } else {
            std::cerr << "解析 JSON 失败: " << errs << std::endl;
        }
    }
}