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参数扩展，支持订阅同一symbol的多条k线 #538

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参数扩展，支持订阅同一symbol的多条k线 #538

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16 changes: 15 additions & 1 deletion v2/websocket_service.go
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Original file line number Diff line number Diff line change
Expand Up @@ -269,8 +269,22 @@ type WsKlineHandler func(event *WsKlineEvent)

// WsCombinedKlineServe is similar to WsKlineServe, but it handles multiple symbols with it interval
func WsCombinedKlineServe(symbolIntervalPair map[string]string, handler WsKlineHandler, errHandler ErrHandler) (doneC, stopC chan struct{}, err error) {
endpoint := getCombinedEndpoint()
symbolIntervalPair2 := make([]string, 0, len(symbolIntervalPair)*2)
for symbol, interval := range symbolIntervalPair {
symbolIntervalPair2 = append(symbolIntervalPair2, symbol, interval)
}
return WsCombinedKlineServe2(symbolIntervalPair2, handler, errHandler)
}

// WsCombinedKlineServe2 .
func WsCombinedKlineServe2(symbolIntervalPair []string, handler WsKlineHandler, errHandler ErrHandler) (doneC, stopC chan struct{}, err error) {
if len(symbolIntervalPair)%2 != 0 {
return nil, nil, fmt.Errorf("symbolIntervalPair must be a multiple of 2")
}
endpoint := getCombinedEndpoint()
for i := 0; i < len(symbolIntervalPair); i += 2 {
symbol := symbolIntervalPair[i]
interval := symbolIntervalPair[i+1]
endpoint += fmt.Sprintf("%s@kline_%s", strings.ToLower(symbol), interval) + "/"
}
endpoint = endpoint[:len(endpoint)-1]
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