Bitmex API

Packages for work with bitmex rest and websocket API on golang.
Target of this packages make easy access to bitmex API including testnet platform.

Usage

Please see full example in main.go

REST

// Load config
cfg := config.LoadConfig("config.json")
ctx := rest.MakeContext(cfg.Key, cfg.Secret, cfg.Host)

// Get wallet
wallet, response, err := rest.GetWallet(ctx)
tools.CheckErr(err)
fmt.Printf("Status: %v, wallet amount: %v\n", response.StatusCode, wallet.Amount)

// Place order
params := map[string]interface{}{
    "side":     "Buy",
    "symbol":   "XBTUSD",
    "ordType":  "Limit",
    "orderQty": 1,
    "price":    9000,
    "clOrdID":  "MyUniqID_123",
    "execInst": "ParticipateDoNotInitiate",
}
order, response, err := rest.NewOrder(ctx, params)
tools.CheckErr(err)
fmt.Printf("Order: %+v, Response: %+v\n", order, response)

Websocket

// Load config
cfg := config.LoadConfig("config.json")

// Connect to WS
conn := websocket.Connect(cfg.Host)
defer conn.Close()

// Listen read WS
chReadFromWS := make(chan []byte, 100)
go websocket.ReadFromWSToChannel(conn, chReadFromWS)

// Listen write WS
chWriteToWS := make(chan interface{}, 100)
go websocket.WriteFromChannelToWS(conn, chWriteToWS)

// Authorize
chWriteToWS <- websocket.GetAuthMessage(cfg.Key, cfg.Secret)

// Listen
go func() {
    for {
        message := <-chReadFromWS
        res, err := bitmex.DecodeMessage(message)
        tools.CheckErr(err)

        // Business logic
        switch res.Table {
        case "orderBookL2":
            if res.Action == "partial" {
                // Update table
            } else {
                // Update row
            }
        case "order":
            if res.Action == "partial" {
                // Update table
            } else {
                // Update row
            }
        case "position":
            if res.Action == "partial" {
                // Update table
            } else {
                // Update row
            }
        }
    }
}()

Example

Example of usage look in main.go

More

I will be glad of any support. Thank you!

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