67 lines
1.4 KiB
Go
67 lines
1.4 KiB
Go
package exchange
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import (
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"encoding/json"
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"log"
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"strconv"
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"time"
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)
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type HyperLiquidWS struct {
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Tracked []string
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}
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type hlAllMidsMsg struct {
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Channel string `json:"channel"`
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Data json.RawMessage `json:"data"`
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}
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type hlMidsData struct {
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Mids map[string]string `json:"mids"`
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}
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func NewHyperLiquidWS(tracked []string) *HyperLiquidWS {
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return &HyperLiquidWS{Tracked: tracked}
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}
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// Run connects to HyperLiquid WS and streams mid prices.
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func (h *HyperLiquidWS) Run(updateFn func(coin string, price, bid, ask float64)) error {
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conn := NewPriceConnector("wss://api.hyperliquid.xyz/ws", "HyperLiquid", 120*time.Second, 30*time.Second)
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conn.PingInterval = 45 * time.Second
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conn.OnConnect = func() {
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log.Printf("[HL WS] Connected")
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sub := map[string]interface{}{
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"method": "subscribe",
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"subscription": map[string]string{
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"type": "allMids",
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},
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}
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if err := conn.SendJSON(sub); err != nil {
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log.Printf("[HL WS] Subscribe error: %v", err)
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}
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}
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conn.OnMessage = func(msg []byte) {
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var raw hlAllMidsMsg
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if err := json.Unmarshal(msg, &raw); err != nil {
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return
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}
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if raw.Channel != "allMids" {
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return
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}
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var data hlMidsData
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if err := json.Unmarshal(raw.Data, &data); err != nil {
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return
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}
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for coin, priceStr := range data.Mids {
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price, err := strconv.ParseFloat(priceStr, 64)
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if err != nil || price <= 0 {
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continue
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}
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updateFn(coin, price, 0, 0)
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}
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}
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return conn.Run()
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}
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