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@@ -0,0 +1,302 @@
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+use std::collections::BTreeMap;
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+use chrono::Utc;
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+use reqwest::header::HeaderMap;
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+use reqwest::{Client};
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+use rust_decimal::Decimal;
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+use rust_decimal::prelude::FromPrimitive;
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+use rust_decimal_macros::dec;
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+use tracing::{error, info, trace};
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+use ring::hmac;
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+use serde_json::Value;
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+use crate::exchange::response_base::Response;
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+use crate::utils::rest_utils::RestUtils;
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+
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+#[derive(Clone, Debug)]
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+pub struct MexcSpotClient {
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+ pub tag: String,
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+ base_url: String,
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+ client: Client,
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+ login_param: Option<BTreeMap<String, String>>,
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+ delays: Vec<i64>,
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+ max_delay: i64,
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+ avg_delay: Decimal,
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+}
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+
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+impl MexcSpotClient {
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+ // 构造函数
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+ pub fn new_with_tag(tag: String, login_param: Option<BTreeMap<String, String>>) -> MexcSpotClient {
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+ let base_url = "https://api.mexc.com".to_string();
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+
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+ MexcSpotClient {
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+ tag,
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+ base_url,
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+ client: Client::new(),
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+ login_param,
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+ delays: vec![],
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+ max_delay: 0,
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+ avg_delay: dec!(0.0),
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+ }
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+ }
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+
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+ // ping
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+ pub async fn ping(&mut self) -> Response {
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+ let data = self.request("GET".to_string(),
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+ "/api/v3".to_string(),
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+ "/ping".to_string(),
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+ false,
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+ Value::Null,
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+ ).await;
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+
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+ data
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+ }
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+
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+ // time
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+ pub async fn time(&mut self) -> Response {
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+ let data = self.request("GET".to_string(),
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+ "/api/v3".to_string(),
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+ "/time".to_string(),
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+ false,
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+ Value::Null,
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+ ).await;
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+
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+ data
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+ }
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+
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+ // 一些工具函数
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+ pub fn get_delays(&self) -> Vec<i64> {
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+ self.delays.clone()
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+ }
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+ pub fn get_avg_delay(&self) -> Decimal {
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+ self.avg_delay.clone()
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+ }
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+ pub fn get_max_delay(&self) -> i64 {
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+ self.max_delay.clone()
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+ }
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+ fn get_delay_info(&mut self) {
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+ let last_100 = if self.delays.len() > 100 {
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+ self.delays[self.delays.len() - 100..].to_vec()
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+ } else {
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+ self.delays.clone()
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+ };
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+
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+ let max_value = last_100.iter().max().unwrap();
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+ if max_value.clone().to_owned() > self.max_delay {
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+ self.max_delay = max_value.clone().to_owned();
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+ }
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+
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+ let sum: i64 = last_100.iter().sum();
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+ let sum_v = Decimal::from_i64(sum).unwrap();
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+ let len_v = Decimal::from_u64(last_100.len() as u64).unwrap();
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+ self.avg_delay = (sum_v / len_v).round_dp(1);
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+ self.delays = last_100.clone().into_iter().collect();
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+ }
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+
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+ //调用请求
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+ pub async fn request(&mut self,
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+ method: String,
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+ prefix_url: String,
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+ request_url: String,
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+ is_login: bool,
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+ mut params: Value) -> Response
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+ {
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+ // trace!("login_param:{:?}", self.login_param);
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+ //解析账号信息
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+ let mut access_key = "".to_string();
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+ let mut secret_key = "".to_string();
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+ let mut passphrase = "".to_string();
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+ let mut is_login_param = false; // 默认未成功解析
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+
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+ // 通过模式匹配引用来避免所有权移动
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+ // 如果 login_param 是 Some,并且能成功获取所有 key,则设置 is_login_param 为 true
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+ if let Some(login_param_map) = &self.login_param {
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+ // 使用 get 方法安全地获取 key 对应的引用
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+ if let Some(ak) = login_param_map.get("access_key") {
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+ access_key = ak.clone(); // 克隆字符串
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+ }
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+ if let Some(sk) = login_param_map.get("secret_key") {
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+ secret_key = sk.clone(); // 克隆字符串
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+ }
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+ if let Some(pph) = login_param_map.get("pass_key") { // 注意:这里假设您想检查 "passphrase",而不是 "pass_key"
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+ passphrase = pph.clone(); // 克隆字符串
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+ }
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+
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+ // 检查是否所有 key 都成功获取并非空
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+ if !access_key.is_empty() && !secret_key.is_empty() && !passphrase.is_empty() {
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+ is_login_param = true;
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+ }
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+ }
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+
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+ //每个接口都有的参数
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+ let timestamp = Utc::now().timestamp_millis();
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+ let recv_window = 3000;
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+ params["timestamp"] = serde_json::json!(timestamp);
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+ params["recvWindow"] = serde_json::json!(recv_window);
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+
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+
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+ //请求类型不同,可能请求头body 不同
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+ let mut body = "{}".to_string();
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+ let mut headers = HeaderMap::new();
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+ if method == "POST" {
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+ headers.insert("Content-Type", "application/json".parse().unwrap());
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+ body = params.to_string();
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+ }
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+
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+ //是否需要登录-- 组装sing
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+ if is_login {
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+ if !is_login_param {
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+ let e = Response::error(self.tag.clone(), "登录参数错误!".to_string());
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+ return e;
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+ } else {
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+ // //需要登录-且登录参数齐全
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+ // trace!("param:{}", params);
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+ // trace!("body:{}", body);
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+ // //组装sing
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+ // let sing = Self::sign(secret_key.clone(),
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+ // method.clone(),
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+ // prefix_url.clone(),
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+ // request_url.clone(),
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+ // params.clone(),
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+ // body.clone(),
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+ // timestamp.clone(),
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+ // );
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+ // //组装header
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+ // headers.extend(Self::headers(sing, timestamp, passphrase, access_key));
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+ }
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+ }
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+
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+ let start_time = chrono::Utc::now().timestamp_millis();
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+ let response = self.http_tool(
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+ format!("{}{}", prefix_url.clone(), request_url.clone()),
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+ method.to_string(),
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+ params.to_string(),
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+ body,
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+ headers,
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+ ).await;
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+
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+ let time_array = chrono::Utc::now().timestamp_millis() - start_time;
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+ self.delays.push(time_array);
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+ self.get_delay_info();
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+
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+ response
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+ }
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+
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+ pub fn sign(secret_key: String,
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+ method: String, prefix_url: String, request_url: String,
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+ params: String, body: String, timestamp: String) -> String
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+ {
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+ /*签名生成*/
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+ let url_param_str = RestUtils::parse_params_to_str(params);
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+ let base_url = if method == "GET" {
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+ format!("{}{}?{}", prefix_url, request_url, url_param_str)
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+ } else {
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+ format!("{}{}", prefix_url, request_url)
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+ };
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+
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+ // 时间戳 + 请求类型+ 请求参数字符串
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+ let message = format!("{}{}{}{}", timestamp, method, base_url, body);
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+ trace!("message:{}",message);
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+
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+ // 做签名
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+ let hmac_key = ring::hmac::Key::new(hmac::HMAC_SHA256, secret_key.as_bytes());
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+ let result = ring::hmac::sign(&hmac_key, &message.as_bytes());
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+ let sign = base64::encode(result);
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+ sign
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+ }
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+
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+ async fn http_tool(&mut self, request_path: String,
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+ request_type: String,
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+ params: String,
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+ body: String,
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+ headers: HeaderMap) -> Response {
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+ let url = format!("{}{}", self.base_url.to_string(), request_path);
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+ let request_type = request_type.clone().to_uppercase();
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+ let addrs_url: String = if RestUtils::parse_params_to_str(params.clone()) == "" {
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+ url.clone()
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+ } else {
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+ format!("{}?{}", url.clone(), RestUtils::parse_params_to_str(params.clone()))
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+ };
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+
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+ // trace!("url-----:???{}", url.clone());
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+ // trace!("addrs_url-----:???{}", addrs_url.clone());
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+ // trace!("params-----:???{}", params.clone());
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+ // trace!("body-----:???{}", body.clone());
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+
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+ let request_builder = match request_type.as_str() {
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+ "GET" => self.client.get(addrs_url.clone()).headers(headers),
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+ "POST" => self.client.post(url.clone()).body(body).headers(headers),
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+ // "DELETE" => self.client.delete(addrs_url.clone()).headers(headers),
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+ // "PUT" => self.client.put(url.clone()).json(¶ms),
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+ _ => {
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+ panic!("{}", format!("错误的请求类型:{}", request_type.clone()))
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+ }
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+ };
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+
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+ // 读取响应的内容
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+ let response = request_builder.send().await.unwrap();
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+ // 先检查状态码
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+ let is_success = response.status().is_success();
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+ let text = response.text().await.unwrap();
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+
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+ // trace!("text:???{:?}",text);
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+
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+ if is_success {
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+ self.on_success_data(&text)
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+ } else {
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+ self.on_error_data(&text, &addrs_url, ¶ms)
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+ }
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+ }
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+
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+ pub fn on_success_data(&mut self, text: &String) -> Response {
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+ let json_value = serde_json::from_str::<Value>(&text).unwrap();
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+ Response::new(self.tag.clone(), 200, "success".to_string(), json_value)
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+ }
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+
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+ pub fn on_error_data(&mut self, text: &String, base_url: &String, params: &String) -> Response {
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+ let json_value = serde_json::from_str::<Value>(&text);
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+
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+ match json_value {
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+ Ok(data) => {
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+ let message;
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+
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+ if !data["message"].is_null() {
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+ message = format!("{}:{}", data["tag"].as_str().unwrap(), data["message"].as_str().unwrap());
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+ } else {
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+ message = data["tag"].to_string();
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+ }
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+
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+ let mut error = Response::error(self.tag.clone(), message);
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+ error.message = format!("请求地址:{}, 请求参数:{}, 报错内容:{}。", base_url, params, error.message);
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+ error
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+ }
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+ Err(e) => {
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+ error!("解析错误:{:?}", e);
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+ let error = Response::error("".to_string(),
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+ format!("json 解析失败:{},相关参数:{}", e, text));
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+ error
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+ }
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+ }
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+ }
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+}
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+
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+#[cfg(test)]
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+mod tests {
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+ use tracing::info;
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+ use crate::exchange::mexc_spot_client::MexcSpotClient;
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+ use crate::utils::log_setup::setup_logging;
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+
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+ #[tokio::test]
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+ async fn test_mexc_spot_time() {
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+ let guard = setup_logging().unwrap();
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+ let mut client = MexcSpotClient::new_with_tag("MexcSpot".to_string(), None);
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+
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+ info!("{}", serde_json::to_string_pretty(&client.time().await.data).unwrap());
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+ }
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+
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+ #[tokio::test]
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+ async fn test_mexc_spot_ping() {
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+ let guard = setup_logging().unwrap();
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+ let mut client = MexcSpotClient::new_with_tag("MexcSpot".to_string(), None);
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+
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+ info!("{}", serde_json::to_string_pretty(&client.ping().await.data).unwrap());
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+ }
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+}
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