yhtx/index.js

HTX API

const crypto = require("crypto");
const axios = require("axios");

function getSign(queryString, secret, method, path) {
  let signString = [
    method,
    path.includes("linear-swap-api") ? "api.hbdm.com" : "api.huobi.pro",
    path,
    queryString || undefined,
  ]
    .filter(Boolean)
    .join("\n");
  return crypto.createHmac("sha256", secret).update(signString).digest("base64");
}

async function call(path, { apiKey, secret, data, method, recvWindow } = {}) {
  apiKey ||= "";
  secret ||= "";
  method ||= "GET";
  recvWindow ??= 30000;
  const origin = path.includes("linear-swap-api")
    ? "https://api.hbdm.com" //UM //for debig:https:api.btcgateway.pro, aws:https://api.hbdm.vn
    : "https://api.huobi.pro"; //spot //https:api-aws.huobi.pro
  data ||= {};

  let timestamp = Date.now();
  let url;
  let sign;

  timestamp = new Date(timestamp).toISOString().slice(0, 19);
  let preBody = {
    AccessKeyId: apiKey,
    SignatureMethod: "HmacSHA256", //Ed25519
    SignatureVersion: 2,
    Timestamp: timestamp,
  };
  body = {
    ...preBody,
    ...data,
  };

  let pars = [];
  for (let k in method == "GET" ? body : preBody)
    pars.push(k + "=" + encodeURIComponent(body[k]));
  let queryString = pars.sort().join("&");

  if (method === "POST") {
    url = origin + path + "?" + queryString;
    sign = getSign(queryString, secret, method, path);
    url += `&Signature=${sign}`;
  } /*GET*/ else {
    url = origin + path + "?" + queryString;
    sign = getSign(queryString, secret, method, path);
    url += `&Signature=${sign}`;
  }

  let headers = { "Content-Type": "application/json" };
  let config = {
    method,
    url,
    headers,
    ...(method == "POST" && { data }), //must be "data" //if GET, don't send
  };

  let r = await axios(config)
    .then((r) => {
      if (!(r.data?.code == 200 /*success*/ || r.data?.status == "ok"))
        console.log(r.data); //if not code:200 or status:ok, then log
      let rs = r.data.data;
      return rs;
    })
    .catch(function (e) {
      console.log(e.response.data);
    });

  return r;
}

class api {
  constructor(apiKey = "", secret = "") {
    this.apiKey = apiKey;
    this.secret = secret;
  }
  async get(path, pr = {}) {
    let data = {
      apiKey: this.apiKey,
      secret: this.secret,
      data: pr,
    };
    return call(path, data);
  }
  async post(path, pr = {}) {
    let data = {
      apiKey: this.apiKey,
      secret: this.secret,
      method: "POST",
      data: pr,
    };
    return call(path, data);
  }
}

module.exports = api;
module.exports.call = call;