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feat: use coinank free API for kline data and show exchange badge

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- Switch to coinank free/open kline API (no authentication required)
- Add exchange badge display with brand colors (Binance/Bybit/OKX/Hyperliquid/Aster)
- Auto-convert OKX symbol format (BTCUSDT -> BTC-USDT-SWAP)
- Fallback to Binance data for unsupported exchanges (Bitget/Lighter)
- Pass exchange prop from trader account to chart component
This commit is contained in:
tinkle-community
2025-12-27 23:35:15 +08:00
parent 9c66afd7a0
commit 0f3ba1382a
5 changed files with 75 additions and 22 deletions
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37
api/server.go
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@@ -13,7 +13,7 @@ import (
"nofx/logger"
"nofx/manager"
"nofx/market"
"nofx/provider/coinank"
"nofx/provider/coinank/coinank_api"
"nofx/provider/coinank/coinank_enum"
"nofx/store"
"nofx/trader"
@@ -2321,11 +2321,8 @@ func (s *Server) handleKlines(c *gin.Context) {
c.JSON(http.StatusOK, klines)
}
// getKlinesFromCoinank fetches kline data from coinank API for multiple exchanges
// getKlinesFromCoinank fetches kline data from coinank free/open API for multiple exchanges
func (s *Server) getKlinesFromCoinank(symbol, interval, exchange string, limit int) ([]market.Kline, error) {
// Import coinank packages
coinankClient := coinank.NewCoinankClient(coinank_enum.MainUrl, "0cccbd7992754b67b1848c6746c0fce0")
// Map exchange string to coinank enum
var coinankExchange coinank_enum.Exchange
switch strings.ToLower(exchange) {
@@ -2397,12 +2394,34 @@ func (s *Server) getKlinesFromCoinank(symbol, interval, exchange string, limit i
return nil, fmt.Errorf("unsupported interval for coinank: %s", interval)
}
// Call coinank API
// Convert symbol format for different exchanges
// OKX uses "BTC-USDT-SWAP" format instead of "BTCUSDT"
apiSymbol := symbol
if coinankExchange == coinank_enum.Okex {
// Convert BTCUSDT -> BTC-USDT-SWAP
if strings.HasSuffix(symbol, "USDT") {
base := strings.TrimSuffix(symbol, "USDT")
apiSymbol = fmt.Sprintf("%s-USDT-SWAP", base)
}
}
// Call coinank free/open API (no authentication required)
ctx := context.Background()
endTime := time.Now().UnixMilli()
coinankKlines, err := coinankClient.Kline(ctx, symbol, coinankExchange, 0, endTime, limit, coinankInterval)
ts := time.Now().UnixMilli()
// Use "To" side to search backward from current time (get historical klines)
coinankKlines, err := coinank_api.Kline(ctx, apiSymbol, coinankExchange, ts, coinank_enum.To, limit, coinankInterval)
if err != nil {
return nil, fmt.Errorf("coinank API error: %w", err)
// Free API doesn't support all exchanges (e.g., OKX, Bitget)
// Fallback to Binance data as reference
if coinankExchange != coinank_enum.Binance {
logger.Warnf("⚠️ CoinAnk free API doesn't support %s, falling back to Binance data", coinankExchange)
coinankKlines, err = coinank_api.Kline(ctx, symbol, coinank_enum.Binance, ts, coinank_enum.To, limit, coinankInterval)
if err != nil {
return nil, fmt.Errorf("coinank API error (fallback): %w", err)
}
} else {
return nil, fmt.Errorf("coinank API error: %w", err)
}
}
// Convert coinank kline format to market.Kline format