README
¶
Huobi Futures Golang SDK (but only supports linearswap now)
This is Huobi Golang SDK, you can import it to your package.
The SDK API supports both RESTful and websocket to get/sub the market, account and order infomation.
Table of Contents
Quick Start
The SDK is run and test in go1.15.4, you can import the source code from remote or local what shuold be dowload first.
The package sdk is core code source as SDK API. The package test is a unit test what you can find usage of each API interface in.
If you want to create your own application, you can follow below steps:
- Create a client (xxxClient/WSxxxClient) instance.
- Call the method of client instance.
// RESTful api
acClient := restful.AccountClient{}
acClient.Init("AccessKey", "SecretKey", "")
data := make(chan account.GetAccountAssetsResponse)
go acClient.GetAccountAssetsAsync(data, "BTC-USDT", 0)
x, ok := <-data
if !ok || x.Status != "ok" {
// fail
} else {
// success
}
// websocker api
wsmkClient := new(ws.WSMarketClient).Init("")
wsmkClient.SubKLine("BTC-USDT", "15min", func(m *market.SubKLineResponse) {
// show response data with *m
}, "")
time.Sleep(time.Duration(10) * time.Second)
wsmkClient.UnsubKLine("BTC-USDT", "15min", "")
time.Sleep(time.Duration(10) * time.Second)
Usage
Configuration
The client Init function must set AccessKey/SecretKey two value when you access private data. And it not need to set AccessKey/SecretKey value when you access public data such as market data.
You can create config.json in your package for config AccessKey/SecretKey and other input data.
{
"Host": "api.hbdm.com",
"AccessKey": "x-x-x-x",
"SecretKey": "x-x-x-x",
"AccountId": 10000000,
"SubUid": 10000000
}
Then create config.go file to read the config.json file
import (
"encoding/json"
"os"
)
type Config struct {
Host string
AccessKey string
SecretKey string
AccountId int64
SubUid int64
}
var config *Config
func init() {
filePtr, err := os.Open("config.json")
if err != nil {
return
}
defer filePtr.Close()
config = new(Config)
decoder := json.NewDecoder(filePtr)
err = decoder.Decode(config)
}
And use it as follow:
accessKey := config.AccessKey
secretKey := config.SecretKey
Folder Structure
This is the folder and namespace structure of SDK source code and the description
- sdk: The SDK API package
- linearswap: the linear swap api src inclue RESTful and websocket
- requestbuilder: Responsible to build the request with the signature
- log: The internal logger interface and implementations
- wsbase: The websocket data model
- test: The unit test package
- xxx_test.go: The golang unit test file
You can find all demo in xxx_test.go to get/sub linear swap private/public data
Client
In this SDK, the client is the object to access the Huobi API. All the client are listed in below table. Each client is very small and simple.
| Access Type | Client | Privacy | Data Category |
|---|---|---|---|
| RESTful | AccountClient | Private | account info |
| MarketClient | Public | market info | |
| OrderClient | Private | about order | |
| TransferClient | Private | transfer assets | |
| TriggerOrderClient | Private | about trigger order | |
| Websocket | WSIndexClinet | Public | index info |
| WSMarketClinet | Public | market info | |
| WSNotifyClinet | Public/Private | market info/ account info | |
Public vs. Private
There are two types of privacy that is correspondent with privacy of API:
Public client: It invokes public API to get public data (Common data and Market data), therefore you can create a new instance without applying an API Key.
mkClient := restful.MarketClient{}
mkClient.Init("")
Private client: It invokes private API to access private data, you need to follow the API document to apply an API Key first, and pass the API Key to the Init.
acClient := restful.AccountClient{}
acClient.Init("AccessKey", "SecretKey", "")
The API key is used for authentication. If the authentication cannot pass, the invoking of private interface will fail.
Rest vs. WebSocket
Rest Client: It invokes Rest API and get once-off response.
acClient := restful.AccountClient{}
acClient.Init("AccessKey", "SecretKey", "")
data := make(chan account.GetAccountAssetsResponse)
go acClient.GetAccountAssetsAsync(data, "BTC-USDT", 0)
x, ok := <-data
if !ok || x.Status != "ok" {
// fail
} else {
// success
}
WebSocket Client: It establishes WebSocket connection with server and data will be pushed from server actively. There are two types of method for WebSocket client:
- Request method: The method name starts with "Req", it will receive the once-off data after sending the request.
- Subscription: The method name starts with "Sub", it will receive update after sending the subscription.
wsmkClient := new(ws.WSMarketClient).Init("")
// Reqxxx
wsmkClient.ReqKLine("BTC-USDT", "1min", func(m *market.ReqKLineResponse) {
// show response data with *m
}, 1604395758, 1604396758, "")
// Subxxx
wsmkClient.SubKLine("BTC-USDT", "15min", func(m *market.SubKLineResponse) {
// show response data with *m
}, "")
time.Sleep(time.Duration(10) * time.Second)
wsmkClient.UnsubKLine("BTC-USDT", "15min", "")
time.Sleep(time.Duration(10) * time.Second)
Custom host
Each client Init support an optional host parameter, by default it is "api.btcgateway.pro". If you need to use different host, you can specify the custom host.
acClient := restful.AccountClient{}
acClient.Init("AccessKey", "SecretKey", "Host")
wsmkClient := new(ws.WSMarketClient).Init("Host")
Response
All response data are defined as follow:
- huobi_futures_Golang.sdk.linearswap.restful.response: all RESTful response data
- huobi_futures_Golang.sdk.linearswap.ws.response: all websockt response data
Request Examples
Market data
mkClient := restful.MarketClient{}
mkClient.Init("")
data := make(chan market.GetContractInfoResponse)
go mkClient.GetContractInfoAsync(data, "")
x, ok := <-data
if !ok || x.Status != "ok" {
// fail
} else {
// show data with x
}
Subscription Examples
Subscribe trade update
wsnfClient := new(ws.WSNotifyClient).Init("AccessKey", "SecretKey", "")
wsnfClient.SubOrders("*", func(m *notify.SubOrdersResponse) {
// show dat with *m
}, "")
time.Sleep(time.Duration(50) * time.Second)
wsnfClient.UnsubOrders("*", "")
time.Sleep(time.Duration(50) * time.Second)
Directories