init code

internal/services/controllers/market.go

@@ -0,0 +1,52 @@
+package controllers
+
+import (
+	"me.thuanle/bbot/internal/configs/strategy"
+	"me.thuanle/bbot/internal/data"
+	"sort"
+)
+
+// GetTopPrices returns the top symbol, price and rate
+func GetTopPrices() ([]string, []float64, []float64) {
+	n := len(strategy.TopPriceSymbols)
+	topSym := make([]string, n)
+	topPrice := make([]float64, n)
+	topRate := make([]float64, n)
+
+	for i, sym := range strategy.TopPriceSymbols {
+		price, rate, _, ok := data.Market.GetFuturePrice(sym)
+		if !ok {
+			continue
+		}
+		topSym[i] = sym
+		topPrice[i] = price
+		topRate[i] = rate
+
+	}
+	return topSym, topPrice, topRate
+}
+
+// GetTopFundingFee returns the top funding fee: symbol, rate and cd time
+func GetTopFundingFee() ([]string, []float64, []int64) {
+	allRates, allCd := data.Market.GetAllFundRate()
+	var resSym []string
+	for sym, rate := range allRates {
+		if strategy.FundRateBuyThreshold < rate && rate < strategy.FundRateSellThreshold {
+			continue
+		}
+
+		resSym = append(resSym, sym)
+	}
+
+	sort.Slice(resSym, func(i, j int) bool {
+		return allRates[resSym[i]] < allRates[resSym[j]]
+	})
+
+	resRate := make([]float64, len(resSym))
+	resCd := make([]int64, len(resSym))
+	for i, sym := range resSym {
+		resRate[i] = allRates[sym]
+		resCd[i] = allCd[sym]
+	}
+	return resSym, resRate, resCd
+}