Official SDK
Signed example
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/**
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* 生成sign
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**/
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private String toSign(String timestamp, String method, String requestPath,
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String queryString, String body, String secretKey) throws Exception {
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// 签名串
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String preHash = preHash(timestamp, method, requestPath, queryString, body);
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byte[] secretKeyBytes = secretKey.getBytes("UTF-8");
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SecretKeySpec secretKeySpec = new SecretKeySpec(secretKeyBytes, "HmacSHA256");
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Mac mac = (Mac) MAC.clone();
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mac.init(secretKeySpec);
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return Hex.encodeHexString(mac.doFinal(preHash.getBytes("UTF-8")));
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}
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/**
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* 签名串
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**/
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private String preHash(String timestamp, String method, String requestPath, String queryString, String body) {
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StringBuilder preHash = new StringBuilder();
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preHash.append(timestamp);
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preHash.append(method.toUpperCase());
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preHash.append(requestPath);
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if (org.apache.commons.lang3.StringUtils.isNotEmpty(queryString)) {
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preHash.append("?").append(queryString);
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}
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if (org.apache.commons.lang3.StringUtils.isNotEmpty(body)) {
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preHash.append(body);
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}
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return preHash.toString();
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}
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/**
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* queryString
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**/
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private String queryString(ServerHttpRequest request) {
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String url = request.getURI().toString();
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String queryString = "";
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if (url.contains("?")) {
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queryString = url.substring(url.lastIndexOf("?") + 1);
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}
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return queryString;
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}
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Here is a example of how to create order
Java
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OkHttpClient client = new OkHttpClient().newBuilder()
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.build();
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MediaType mediaType = MediaType.parse("application/json");
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RequestBody body = RequestBody.create(mediaType, "{\"symbol\":\"BTCUSDT\",\"volume\":1,\"side\":\"BUY\",\"type\":\"LIMIT\",\"price\":10000,\"newClientOrderId\":\"\",\"recvWindow\":5000}");
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Request request = new Request.Builder()
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.url("https://openapi.xxx.com")
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.method("POST", body)
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.addHeader("X-CH-APIKEY", "Your API key")
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.addHeader("X-CH-TS", "1596543296058")
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.addHeader("Content-Type", "application/json")
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.addHeader("X-CH-SIGN", "encrypt sign")
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.build();
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Response response = client.newCall(request).execute();
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Go
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package main
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import (
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"fmt"
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"strings"
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"net/http"
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"io/ioutil"
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)
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func main() {
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url := "https://openapi.xxx.com"
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method := "POST"
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payload := strings.NewReader("{\"symbol\":\"BTCUSDT\",\"volume\":1,\"side\":\"BUY\",\"type\":\"LIMIT\",\"price\":10000,\"newClientOrderId\":\"\",\"recvWindow\":5000}")
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client := &http.Client {
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}
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req, err := http.NewRequest(method, url, payload)
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if err != nil {
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fmt.Println(err)
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}
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req.Header.Add("X-CH-APIKEY", "Your API key")
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req.Header.Add("X-CH-TS", "1596543881257")
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req.Header.Add("Content-Type", "application/json")
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req.Header.Add("X-CH-SIGN", "encrypt sign")
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res, err := client.Do(req)
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defer res.Body.Close()
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body, err := ioutil.ReadAll(res.Body)
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fmt.Println(string(body))
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}
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Python
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import requests
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url = "https://openapi.xxx.com"
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payload = "{\"symbol\":\"BTCUSDT\",\"volume\":1,\"side\":\"BUY\",\"type\":\"LIMIT\",\"price\":10000,\"newClientOrderId\":\"\",\"recvWindow\":5000}"
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headers = {
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'X-CH-APIKEY': 'Your API key',
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'X-CH-TS': '1596543881257',
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'Content-Type': 'application/json',
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'X-CH-SIGN': 'encrypt sign'
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}
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response = requests.request("POST", url, headers=headers, data = payload)
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print(response.text.encode('utf8'))
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Php
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<?php
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require_once 'HTTP/Request2.php';
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$request = new HTTP_Request2();
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$request->setUrl('https://openapi.xxx.com');
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$request->setMethod(HTTP_Request2::METHOD_POST);
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$request->setConfig(array(
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'follow_redirects' => TRUE
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));
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$request->setHeader(array(
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'X-CH-APIKEY' => 'Your API key',
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'X-CH-TS' => '1596543881257',
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'Content-Type' => 'application/json',
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'X-CH-SIGN' => 'encrypt sign'
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));
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$request->setBody('{"symbol":"BTCUSDT","volume":1,"side":"BUY","type":"LIMIT","price":10000,"newClientOrderId":"","recvWindow":5000}');
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try {
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$response = $request->send();
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if ($response->getStatus() == 200) {
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echo $response->getBody();
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}
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else {
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echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
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$response->getReasonPhrase();
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}
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}
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catch(HTTP_Request2_Exception $e) {
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echo 'Error: ' . $e->getMessage();
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}
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NodeJs
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var request = require('request');
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var options = {
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'method': 'POST',
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'url': 'https://openapi.xxx.com',
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'headers': {
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'X-CH-APIKEY': 'Your API key',
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'X-CH-TS': '1596543881257',
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'Content-Type': 'application/json',
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'X-CH-SIGN': 'encrypt sign'
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},
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body:JSON.stringify({"symbol":"BTCUSDT","volume":1,"side":"BUY","type":"LIMIT","price":10000,"newClientOrderId":"","recvWindow":5000})
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};
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request(options, function (error, response) {
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if (error) throw new Error(error);
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console.log(response.body);
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});