mirror of
https://github.com/NoFxAiOS/nofx.git
synced 2026-07-15 08:46:58 +08:00
Merge from beta
This commit is contained in:
159
market/data.go
159
market/data.go
@@ -4,10 +4,24 @@ import (
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"encoding/json"
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"fmt"
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"io"
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"log"
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"math"
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"net/http"
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"strconv"
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"strings"
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"sync"
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"time"
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)
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// FundingRateCache 资金费率缓存结构
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// Binance Funding Rate 每 8 小时才更新一次,使用 1 小时缓存可显著减少 API 调用
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type FundingRateCache struct {
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Rate float64
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UpdatedAt time.Time
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}
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var (
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fundingRateMap sync.Map // map[string]*FundingRateCache
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frCacheTTL = 1 * time.Hour
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)
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// Get 获取指定代币的市场数据
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@@ -22,12 +36,26 @@ func Get(symbol string) (*Data, error) {
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return nil, fmt.Errorf("获取3分钟K线失败: %v", err)
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}
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// Data staleness detection: Prevent DOGEUSDT-style price freeze issues
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if isStaleData(klines3m, symbol) {
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log.Printf("⚠️ WARNING: %s detected stale data (consecutive price freeze), skipping symbol", symbol)
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return nil, fmt.Errorf("%s data is stale, possible cache failure", symbol)
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}
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// 获取4小时K线数据 (最近10个)
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klines4h, err = WSMonitorCli.GetCurrentKlines(symbol, "4h") // 多获取用于计算指标
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if err != nil {
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return nil, fmt.Errorf("获取4小时K线失败: %v", err)
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}
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// 检查数据是否为空
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if len(klines3m) == 0 {
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return nil, fmt.Errorf("3分钟K线数据为空")
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}
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if len(klines4h) == 0 {
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return nil, fmt.Errorf("4小时K线数据为空")
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}
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// 计算当前指标 (基于3分钟最新数据)
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currentPrice := klines3m[len(klines3m)-1].Close
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currentEMA20 := calculateEMA(klines3m, 20)
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@@ -206,6 +234,7 @@ func calculateIntradaySeries(klines []Kline) *IntradayData {
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MACDValues: make([]float64, 0, 10),
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RSI7Values: make([]float64, 0, 10),
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RSI14Values: make([]float64, 0, 10),
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Volume: make([]float64, 0, 10),
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}
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// 获取最近10个数据点
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@@ -216,6 +245,7 @@ func calculateIntradaySeries(klines []Kline) *IntradayData {
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for i := start; i < len(klines); i++ {
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data.MidPrices = append(data.MidPrices, klines[i].Close)
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data.Volume = append(data.Volume, klines[i].Volume)
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// 计算每个点的EMA20
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if i >= 19 {
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@@ -240,6 +270,9 @@ func calculateIntradaySeries(klines []Kline) *IntradayData {
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}
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}
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// 计算3m ATR14
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data.ATR14 = calculateATR(klines, 14)
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return data
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}
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@@ -293,7 +326,8 @@ func calculateLongerTermData(klines []Kline) *LongerTermData {
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func getOpenInterestData(symbol string) (*OIData, error) {
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url := fmt.Sprintf("https://fapi.binance.com/fapi/v1/openInterest?symbol=%s", symbol)
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resp, err := http.Get(url)
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apiClient := NewAPIClient()
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resp, err := apiClient.client.Get(url)
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if err != nil {
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return nil, err
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}
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@@ -322,11 +356,23 @@ func getOpenInterestData(symbol string) (*OIData, error) {
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}, nil
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}
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// getFundingRate 获取资金费率
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// getFundingRate 获取资金费率(优化:使用 1 小时缓存)
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func getFundingRate(symbol string) (float64, error) {
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// 检查缓存(有效期 1 小时)
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// Funding Rate 每 8 小时才更新,1 小时缓存非常合理
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if cached, ok := fundingRateMap.Load(symbol); ok {
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cache := cached.(*FundingRateCache)
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if time.Since(cache.UpdatedAt) < frCacheTTL {
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// 缓存命中,直接返回
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return cache.Rate, nil
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}
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}
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// 缓存过期或不存在,调用 API
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url := fmt.Sprintf("https://fapi.binance.com/fapi/v1/premiumIndex?symbol=%s", symbol)
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resp, err := http.Get(url)
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apiClient := NewAPIClient()
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resp, err := apiClient.client.Get(url)
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if err != nil {
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return 0, err
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}
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@@ -352,6 +398,13 @@ func getFundingRate(symbol string) (float64, error) {
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}
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rate, _ := strconv.ParseFloat(result.LastFundingRate, 64)
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// 更新缓存
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fundingRateMap.Store(symbol, &FundingRateCache{
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Rate: rate,
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UpdatedAt: time.Now(),
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})
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return rate, nil
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}
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@@ -359,15 +412,20 @@ func getFundingRate(symbol string) (float64, error) {
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func Format(data *Data) string {
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var sb strings.Builder
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sb.WriteString(fmt.Sprintf("current_price = %.2f, current_ema20 = %.3f, current_macd = %.3f, current_rsi (7 period) = %.3f\n\n",
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data.CurrentPrice, data.CurrentEMA20, data.CurrentMACD, data.CurrentRSI7))
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// 使用动态精度格式化价格
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priceStr := formatPriceWithDynamicPrecision(data.CurrentPrice)
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sb.WriteString(fmt.Sprintf("current_price = %s, current_ema20 = %.3f, current_macd = %.3f, current_rsi (7 period) = %.3f\n\n",
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priceStr, data.CurrentEMA20, data.CurrentMACD, data.CurrentRSI7))
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sb.WriteString(fmt.Sprintf("In addition, here is the latest %s open interest and funding rate for perps:\n\n",
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data.Symbol))
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if data.OpenInterest != nil {
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sb.WriteString(fmt.Sprintf("Open Interest: Latest: %.2f Average: %.2f\n\n",
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data.OpenInterest.Latest, data.OpenInterest.Average))
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// 使用动态精度格式化 OI 数据
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oiLatestStr := formatPriceWithDynamicPrecision(data.OpenInterest.Latest)
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oiAverageStr := formatPriceWithDynamicPrecision(data.OpenInterest.Average)
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sb.WriteString(fmt.Sprintf("Open Interest: Latest: %s Average: %s\n\n",
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oiLatestStr, oiAverageStr))
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}
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sb.WriteString(fmt.Sprintf("Funding Rate: %.2e\n\n", data.FundingRate))
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@@ -394,6 +452,12 @@ func Format(data *Data) string {
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if len(data.IntradaySeries.RSI14Values) > 0 {
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sb.WriteString(fmt.Sprintf("RSI indicators (14‑Period): %s\n\n", formatFloatSlice(data.IntradaySeries.RSI14Values)))
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}
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if len(data.IntradaySeries.Volume) > 0 {
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sb.WriteString(fmt.Sprintf("Volume: %s\n\n", formatFloatSlice(data.IntradaySeries.Volume)))
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}
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sb.WriteString(fmt.Sprintf("3m ATR (14‑period): %.3f\n\n", data.IntradaySeries.ATR14))
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}
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if data.LongerTermContext != nil {
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@@ -420,11 +484,42 @@ func Format(data *Data) string {
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return sb.String()
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}
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// formatFloatSlice 格式化float64切片为字符串
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// formatPriceWithDynamicPrecision 根据价格区间动态选择精度
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// 这样可以完美支持从超低价 meme coin (< 0.0001) 到 BTC/ETH 的所有币种
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func formatPriceWithDynamicPrecision(price float64) string {
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switch {
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case price < 0.0001:
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// 超低价 meme coin: 1000SATS, 1000WHY, DOGS
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// 0.00002070 → "0.00002070" (8位小数)
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return fmt.Sprintf("%.8f", price)
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case price < 0.001:
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// 低价 meme coin: NEIRO, HMSTR, HOT, NOT
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// 0.00015060 → "0.000151" (6位小数)
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return fmt.Sprintf("%.6f", price)
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case price < 0.01:
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// 中低价币: PEPE, SHIB, MEME
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// 0.00556800 → "0.005568" (6位小数)
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return fmt.Sprintf("%.6f", price)
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case price < 1.0:
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// 低价币: ASTER, DOGE, ADA, TRX
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// 0.9954 → "0.9954" (4位小数)
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return fmt.Sprintf("%.4f", price)
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case price < 100:
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// 中价币: SOL, AVAX, LINK, MATIC
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// 23.4567 → "23.4567" (4位小数)
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return fmt.Sprintf("%.4f", price)
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default:
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// 高价币: BTC, ETH (节省 Token)
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// 45678.9123 → "45678.91" (2位小数)
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return fmt.Sprintf("%.2f", price)
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}
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}
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// formatFloatSlice 格式化float64切片为字符串(使用动态精度)
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func formatFloatSlice(values []float64) string {
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strValues := make([]string, len(values))
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for i, v := range values {
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strValues[i] = fmt.Sprintf("%.3f", v)
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strValues[i] = formatPriceWithDynamicPrecision(v)
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}
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return "[" + strings.Join(strValues, ", ") + "]"
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}
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@@ -453,3 +548,47 @@ func parseFloat(v interface{}) (float64, error) {
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return 0, fmt.Errorf("unsupported type: %T", v)
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}
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}
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// isStaleData detects stale data (consecutive price freeze)
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// Fix DOGEUSDT-style issue: consecutive N periods with completely unchanged prices indicate data source anomaly
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func isStaleData(klines []Kline, symbol string) bool {
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if len(klines) < 5 {
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return false // Insufficient data to determine
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}
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// Detection threshold: 5 consecutive 3-minute periods with unchanged price (15 minutes without fluctuation)
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const stalePriceThreshold = 5
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const priceTolerancePct = 0.0001 // 0.01% fluctuation tolerance (avoid false positives)
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// Take the last stalePriceThreshold K-lines
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recentKlines := klines[len(klines)-stalePriceThreshold:]
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firstPrice := recentKlines[0].Close
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// Check if all prices are within tolerance
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for i := 1; i < len(recentKlines); i++ {
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priceDiff := math.Abs(recentKlines[i].Close-firstPrice) / firstPrice
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if priceDiff > priceTolerancePct {
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return false // Price fluctuation exists, data is normal
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}
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}
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// Additional check: MACD and volume
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// If price is unchanged but MACD/volume shows normal fluctuation, it might be a real market situation (extremely low volatility)
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// Check if volume is also 0 (data completely frozen)
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allVolumeZero := true
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for _, k := range recentKlines {
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if k.Volume > 0 {
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allVolumeZero = false
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break
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}
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}
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if allVolumeZero {
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log.Printf("⚠️ %s stale data confirmed: price freeze + zero volume", symbol)
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return true
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}
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// Price frozen but has volume: might be extremely low volatility market, allow but log warning
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log.Printf("⚠️ %s detected extreme price stability (no fluctuation for %d consecutive periods), but volume is normal", symbol, stalePriceThreshold)
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return false
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}
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