mirror of
https://github.com/NoFxAiOS/nofx.git
synced 2025-12-06 13:54:41 +08:00
646 lines
17 KiB
Go
646 lines
17 KiB
Go
package pool
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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// defaultMainstreamCoins 默认主流币种池(从配置文件读取)
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var defaultMainstreamCoins = []string{
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"BTCUSDT",
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"ETHUSDT",
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"SOLUSDT",
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"BNBUSDT",
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"XRPUSDT",
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"DOGEUSDT",
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"ADAUSDT",
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"HYPEUSDT",
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}
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// CoinPoolConfig 币种池配置
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type CoinPoolConfig struct {
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APIURL string
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Timeout time.Duration
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CacheDir string
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UseDefaultCoins bool // 是否使用默认主流币种
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}
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var coinPoolConfig = CoinPoolConfig{
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APIURL: "",
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Timeout: 30 * time.Second, // 增加到30秒
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CacheDir: "coin_pool_cache",
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UseDefaultCoins: false, // 默认不使用
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}
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// CoinPoolCache 币种池缓存
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type CoinPoolCache struct {
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Coins []CoinInfo `json:"coins"`
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FetchedAt time.Time `json:"fetched_at"`
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SourceType string `json:"source_type"` // "api" or "cache"
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}
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// CoinInfo 币种信息
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type CoinInfo struct {
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Pair string `json:"pair"` // 交易对符号(例如:BTCUSDT)
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Score float64 `json:"score"` // 当前评分
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StartTime int64 `json:"start_time"` // 开始时间(Unix时间戳)
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StartPrice float64 `json:"start_price"` // 开始价格
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LastScore float64 `json:"last_score"` // 最新评分
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MaxScore float64 `json:"max_score"` // 最高评分
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MaxPrice float64 `json:"max_price"` // 最高价格
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IncreasePercent float64 `json:"increase_percent"` // 涨幅百分比
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IsAvailable bool `json:"-"` // 是否可交易(内部使用)
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}
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// CoinPoolAPIResponse API返回的原始数据结构
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type CoinPoolAPIResponse struct {
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Success bool `json:"success"`
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Data struct {
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Coins []CoinInfo `json:"coins"`
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Count int `json:"count"`
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} `json:"data"`
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}
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// SetCoinPoolAPI 设置币种池API
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func SetCoinPoolAPI(apiURL string) {
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coinPoolConfig.APIURL = apiURL
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}
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// SetOITopAPI 设置OI Top API
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func SetOITopAPI(apiURL string) {
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oiTopConfig.APIURL = apiURL
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}
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// SetUseDefaultCoins 设置是否使用默认主流币种
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func SetUseDefaultCoins(useDefault bool) {
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coinPoolConfig.UseDefaultCoins = useDefault
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}
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// SetDefaultCoins 设置默认主流币种列表
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func SetDefaultCoins(coins []string) {
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if len(coins) > 0 {
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defaultMainstreamCoins = coins
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log.Printf("✓ 已设置默认币种池(共%d个币种): %v", len(coins), coins)
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}
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}
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// GetCoinPool 获取币种池列表(带重试和缓存机制)
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func GetCoinPool() ([]CoinInfo, error) {
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// 优先检查是否启用默认币种列表
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if coinPoolConfig.UseDefaultCoins {
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log.Printf("✓ 已启用默认主流币种列表")
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return convertSymbolsToCoins(defaultMainstreamCoins), nil
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}
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// 检查API URL是否配置
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if strings.TrimSpace(coinPoolConfig.APIURL) == "" {
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log.Printf("⚠️ 未配置币种池API URL,使用默认主流币种列表")
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return convertSymbolsToCoins(defaultMainstreamCoins), nil
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}
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maxRetries := 3
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var lastErr error
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// 尝试从API获取
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for attempt := 1; attempt <= maxRetries; attempt++ {
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if attempt > 1 {
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log.Printf("⚠️ 第%d次重试获取币种池(共%d次)...", attempt, maxRetries)
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time.Sleep(2 * time.Second) // 重试前等待2秒
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}
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coins, err := fetchCoinPool()
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if err == nil {
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if attempt > 1 {
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log.Printf("✓ 第%d次重试成功", attempt)
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}
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// 成功获取后保存到缓存
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if err := saveCoinPoolCache(coins); err != nil {
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log.Printf("⚠️ 保存币种池缓存失败: %v", err)
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}
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return coins, nil
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}
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lastErr = err
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log.Printf("❌ 第%d次请求失败: %v", attempt, err)
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}
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// API获取失败,尝试使用缓存
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log.Printf("⚠️ API请求全部失败,尝试使用历史缓存数据...")
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cachedCoins, err := loadCoinPoolCache()
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if err == nil {
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log.Printf("✓ 使用历史缓存数据(共%d个币种)", len(cachedCoins))
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return cachedCoins, nil
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}
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// 缓存也失败,使用默认主流币种
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log.Printf("⚠️ 无法加载缓存数据(最后错误: %v),使用默认主流币种列表", lastErr)
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return convertSymbolsToCoins(defaultMainstreamCoins), nil
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}
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// fetchCoinPool 实际执行币种池请求
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func fetchCoinPool() ([]CoinInfo, error) {
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log.Printf("🔄 正在请求AI500币种池...")
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client := &http.Client{
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Timeout: coinPoolConfig.Timeout,
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}
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resp, err := client.Get(coinPoolConfig.APIURL)
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if err != nil {
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return nil, fmt.Errorf("请求币种池API失败: %w", err)
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("读取响应失败: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("API返回错误 (status %d): %s", resp.StatusCode, string(body))
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}
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// 解析API响应
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var response CoinPoolAPIResponse
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if err := json.Unmarshal(body, &response); err != nil {
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return nil, fmt.Errorf("JSON解析失败: %w", err)
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}
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if !response.Success {
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return nil, fmt.Errorf("API返回失败状态")
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}
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if len(response.Data.Coins) == 0 {
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return nil, fmt.Errorf("币种列表为空")
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}
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// 设置IsAvailable标志
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coins := response.Data.Coins
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for i := range coins {
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coins[i].IsAvailable = true
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}
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log.Printf("✓ 成功获取%d个币种", len(coins))
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return coins, nil
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}
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// saveCoinPoolCache 保存币种池到缓存文件
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func saveCoinPoolCache(coins []CoinInfo) error {
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// 确保缓存目录存在
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if err := os.MkdirAll(coinPoolConfig.CacheDir, 0755); err != nil {
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return fmt.Errorf("创建缓存目录失败: %w", err)
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}
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cache := CoinPoolCache{
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Coins: coins,
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FetchedAt: time.Now(),
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SourceType: "api",
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}
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data, err := json.MarshalIndent(cache, "", " ")
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if err != nil {
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return fmt.Errorf("序列化缓存数据失败: %w", err)
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}
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cachePath := filepath.Join(coinPoolConfig.CacheDir, "latest.json")
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if err := ioutil.WriteFile(cachePath, data, 0644); err != nil {
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return fmt.Errorf("写入缓存文件失败: %w", err)
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}
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log.Printf("💾 已保存币种池缓存(%d个币种)", len(coins))
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return nil
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}
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// loadCoinPoolCache 从缓存文件加载币种池
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func loadCoinPoolCache() ([]CoinInfo, error) {
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cachePath := filepath.Join(coinPoolConfig.CacheDir, "latest.json")
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// 检查文件是否存在
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if _, err := os.Stat(cachePath); os.IsNotExist(err) {
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return nil, fmt.Errorf("缓存文件不存在")
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}
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data, err := ioutil.ReadFile(cachePath)
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if err != nil {
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return nil, fmt.Errorf("读取缓存文件失败: %w", err)
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}
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var cache CoinPoolCache
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if err := json.Unmarshal(data, &cache); err != nil {
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return nil, fmt.Errorf("解析缓存数据失败: %w", err)
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}
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// 检查缓存年龄
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cacheAge := time.Since(cache.FetchedAt)
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if cacheAge > 24*time.Hour {
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log.Printf("⚠️ 缓存数据较旧(%.1f小时前),但仍可使用", cacheAge.Hours())
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} else {
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log.Printf("📂 缓存数据时间: %s(%.1f分钟前)",
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cache.FetchedAt.Format("2006-01-02 15:04:05"),
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cacheAge.Minutes())
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}
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return cache.Coins, nil
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}
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// GetAvailableCoins 获取可用的币种列表(过滤不可用的)
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func GetAvailableCoins() ([]string, error) {
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coins, err := GetCoinPool()
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if err != nil {
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return nil, err
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}
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var symbols []string
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for _, coin := range coins {
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if coin.IsAvailable {
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// 确保symbol格式正确(转为大写USDT交易对)
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symbol := normalizeSymbol(coin.Pair)
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symbols = append(symbols, symbol)
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}
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}
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if len(symbols) == 0 {
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return nil, fmt.Errorf("没有可用的币种")
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}
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return symbols, nil
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}
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// GetTopRatedCoins 获取评分最高的N个币种(按评分从大到小排序)
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func GetTopRatedCoins(limit int) ([]string, error) {
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coins, err := GetCoinPool()
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if err != nil {
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return nil, err
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}
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// 过滤可用的币种
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var availableCoins []CoinInfo
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for _, coin := range coins {
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if coin.IsAvailable {
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availableCoins = append(availableCoins, coin)
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}
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}
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if len(availableCoins) == 0 {
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return nil, fmt.Errorf("没有可用的币种")
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}
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// 按Score降序排序(冒泡排序)
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for i := 0; i < len(availableCoins); i++ {
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for j := i + 1; j < len(availableCoins); j++ {
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if availableCoins[i].Score < availableCoins[j].Score {
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availableCoins[i], availableCoins[j] = availableCoins[j], availableCoins[i]
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}
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}
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}
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// 取前N个
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maxCount := limit
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if len(availableCoins) < maxCount {
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maxCount = len(availableCoins)
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}
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var symbols []string
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for i := 0; i < maxCount; i++ {
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symbol := normalizeSymbol(availableCoins[i].Pair)
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symbols = append(symbols, symbol)
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}
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return symbols, nil
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}
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// normalizeSymbol 标准化币种符号
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func normalizeSymbol(symbol string) string {
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// 移除空格
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symbol = trimSpaces(symbol)
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// 转为大写
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symbol = toUpper(symbol)
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// 确保以USDT结尾
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if !endsWith(symbol, "USDT") {
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symbol = symbol + "USDT"
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}
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return symbol
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}
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// 辅助函数
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func trimSpaces(s string) string {
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result := ""
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for i := 0; i < len(s); i++ {
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if s[i] != ' ' {
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result += string(s[i])
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}
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}
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return result
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}
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func toUpper(s string) string {
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result := ""
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for i := 0; i < len(s); i++ {
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c := s[i]
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if c >= 'a' && c <= 'z' {
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c = c - 'a' + 'A'
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}
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result += string(c)
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}
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return result
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}
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func endsWith(s, suffix string) bool {
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if len(s) < len(suffix) {
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return false
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}
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return s[len(s)-len(suffix):] == suffix
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}
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// convertSymbolsToCoins 将币种符号列表转换为CoinInfo列表
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func convertSymbolsToCoins(symbols []string) []CoinInfo {
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coins := make([]CoinInfo, 0, len(symbols))
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for _, symbol := range symbols {
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coins = append(coins, CoinInfo{
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Pair: symbol,
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Score: 0,
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IsAvailable: true,
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})
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}
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return coins
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}
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// ========== OI Top(持仓量增长Top20)数据 ==========
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// OIPosition 持仓量数据
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type OIPosition struct {
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Symbol string `json:"symbol"`
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Rank int `json:"rank"`
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CurrentOI float64 `json:"current_oi"` // 当前持仓量
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OIDelta float64 `json:"oi_delta"` // 持仓量变化
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OIDeltaPercent float64 `json:"oi_delta_percent"` // 持仓量变化百分比
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OIDeltaValue float64 `json:"oi_delta_value"` // 持仓量变化价值
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PriceDeltaPercent float64 `json:"price_delta_percent"` // 价格变化百分比
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NetLong float64 `json:"net_long"` // 净多仓
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NetShort float64 `json:"net_short"` // 净空仓
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}
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// OITopAPIResponse OI Top API返回的数据结构
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type OITopAPIResponse struct {
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Success bool `json:"success"`
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Data struct {
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Positions []OIPosition `json:"positions"`
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Count int `json:"count"`
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Exchange string `json:"exchange"`
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TimeRange string `json:"time_range"`
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} `json:"data"`
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}
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// OITopCache OI Top 缓存
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type OITopCache struct {
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Positions []OIPosition `json:"positions"`
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FetchedAt time.Time `json:"fetched_at"`
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SourceType string `json:"source_type"`
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}
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var oiTopConfig = struct {
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APIURL string
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Timeout time.Duration
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CacheDir string
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}{
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APIURL: "",
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Timeout: 30 * time.Second,
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CacheDir: "coin_pool_cache",
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}
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// GetOITopPositions 获取持仓量增长Top20数据(带重试和缓存)
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func GetOITopPositions() ([]OIPosition, error) {
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// 检查API URL是否配置
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if strings.TrimSpace(oiTopConfig.APIURL) == "" {
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log.Printf("⚠️ 未配置OI Top API URL,跳过OI Top数据获取")
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return []OIPosition{}, nil // 返回空列表,不是错误
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}
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maxRetries := 3
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var lastErr error
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// 尝试从API获取
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for attempt := 1; attempt <= maxRetries; attempt++ {
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if attempt > 1 {
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log.Printf("⚠️ 第%d次重试获取OI Top数据(共%d次)...", attempt, maxRetries)
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time.Sleep(2 * time.Second)
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}
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positions, err := fetchOITop()
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if err == nil {
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if attempt > 1 {
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log.Printf("✓ 第%d次重试成功", attempt)
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}
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// 成功获取后保存到缓存
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if err := saveOITopCache(positions); err != nil {
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log.Printf("⚠️ 保存OI Top缓存失败: %v", err)
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}
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return positions, nil
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}
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lastErr = err
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log.Printf("❌ 第%d次请求OI Top失败: %v", attempt, err)
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}
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// API获取失败,尝试使用缓存
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log.Printf("⚠️ OI Top API请求全部失败,尝试使用历史缓存数据...")
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cachedPositions, err := loadOITopCache()
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if err == nil {
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log.Printf("✓ 使用历史OI Top缓存数据(共%d个币种)", len(cachedPositions))
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return cachedPositions, nil
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}
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// 缓存也失败,返回空列表(OI Top是可选的)
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log.Printf("⚠️ 无法加载OI Top缓存数据(最后错误: %v),跳过OI Top数据", lastErr)
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return []OIPosition{}, nil
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}
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// fetchOITop 实际执行OI Top请求
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func fetchOITop() ([]OIPosition, error) {
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log.Printf("🔄 正在请求OI Top数据...")
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client := &http.Client{
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Timeout: oiTopConfig.Timeout,
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}
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resp, err := client.Get(oiTopConfig.APIURL)
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if err != nil {
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return nil, fmt.Errorf("请求OI Top API失败: %w", err)
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("读取OI Top响应失败: %w", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("OI Top API返回错误 (status %d): %s", resp.StatusCode, string(body))
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}
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// 解析API响应
|
||
var response OITopAPIResponse
|
||
if err := json.Unmarshal(body, &response); err != nil {
|
||
return nil, fmt.Errorf("OI Top JSON解析失败: %w", err)
|
||
}
|
||
|
||
if !response.Success {
|
||
return nil, fmt.Errorf("OI Top API返回失败状态")
|
||
}
|
||
|
||
if len(response.Data.Positions) == 0 {
|
||
return nil, fmt.Errorf("OI Top持仓列表为空")
|
||
}
|
||
|
||
log.Printf("✓ 成功获取%d个OI Top币种(时间范围: %s)",
|
||
len(response.Data.Positions), response.Data.TimeRange)
|
||
return response.Data.Positions, nil
|
||
}
|
||
|
||
// saveOITopCache 保存OI Top数据到缓存
|
||
func saveOITopCache(positions []OIPosition) error {
|
||
if err := os.MkdirAll(oiTopConfig.CacheDir, 0755); err != nil {
|
||
return fmt.Errorf("创建缓存目录失败: %w", err)
|
||
}
|
||
|
||
cache := OITopCache{
|
||
Positions: positions,
|
||
FetchedAt: time.Now(),
|
||
SourceType: "api",
|
||
}
|
||
|
||
data, err := json.MarshalIndent(cache, "", " ")
|
||
if err != nil {
|
||
return fmt.Errorf("序列化OI Top缓存数据失败: %w", err)
|
||
}
|
||
|
||
cachePath := filepath.Join(oiTopConfig.CacheDir, "oi_top_latest.json")
|
||
if err := ioutil.WriteFile(cachePath, data, 0644); err != nil {
|
||
return fmt.Errorf("写入OI Top缓存文件失败: %w", err)
|
||
}
|
||
|
||
log.Printf("💾 已保存OI Top缓存(%d个币种)", len(positions))
|
||
return nil
|
||
}
|
||
|
||
// loadOITopCache 从缓存加载OI Top数据
|
||
func loadOITopCache() ([]OIPosition, error) {
|
||
cachePath := filepath.Join(oiTopConfig.CacheDir, "oi_top_latest.json")
|
||
|
||
if _, err := os.Stat(cachePath); os.IsNotExist(err) {
|
||
return nil, fmt.Errorf("OI Top缓存文件不存在")
|
||
}
|
||
|
||
data, err := ioutil.ReadFile(cachePath)
|
||
if err != nil {
|
||
return nil, fmt.Errorf("读取OI Top缓存文件失败: %w", err)
|
||
}
|
||
|
||
var cache OITopCache
|
||
if err := json.Unmarshal(data, &cache); err != nil {
|
||
return nil, fmt.Errorf("解析OI Top缓存数据失败: %w", err)
|
||
}
|
||
|
||
cacheAge := time.Since(cache.FetchedAt)
|
||
if cacheAge > 24*time.Hour {
|
||
log.Printf("⚠️ OI Top缓存数据较旧(%.1f小时前),但仍可使用", cacheAge.Hours())
|
||
} else {
|
||
log.Printf("📂 OI Top缓存数据时间: %s(%.1f分钟前)",
|
||
cache.FetchedAt.Format("2006-01-02 15:04:05"),
|
||
cacheAge.Minutes())
|
||
}
|
||
|
||
return cache.Positions, nil
|
||
}
|
||
|
||
// GetOITopSymbols 获取OI Top的币种符号列表
|
||
func GetOITopSymbols() ([]string, error) {
|
||
positions, err := GetOITopPositions()
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var symbols []string
|
||
for _, pos := range positions {
|
||
symbol := normalizeSymbol(pos.Symbol)
|
||
symbols = append(symbols, symbol)
|
||
}
|
||
|
||
return symbols, nil
|
||
}
|
||
|
||
// MergedCoinPool 合并的币种池(AI500 + OI Top)
|
||
type MergedCoinPool struct {
|
||
AI500Coins []CoinInfo // AI500评分币种
|
||
OITopCoins []OIPosition // 持仓量增长Top20
|
||
AllSymbols []string // 所有不重复的币种符号
|
||
SymbolSources map[string][]string // 每个币种的来源("ai500"/"oi_top")
|
||
}
|
||
|
||
// GetMergedCoinPool 获取合并后的币种池(AI500 + OI Top,去重)
|
||
func GetMergedCoinPool(ai500Limit int) (*MergedCoinPool, error) {
|
||
// 1. 获取AI500数据
|
||
ai500TopSymbols, err := GetTopRatedCoins(ai500Limit)
|
||
if err != nil {
|
||
log.Printf("⚠️ 获取AI500数据失败: %v", err)
|
||
ai500TopSymbols = []string{} // 失败时用空列表
|
||
}
|
||
|
||
// 2. 获取OI Top数据
|
||
oiTopSymbols, err := GetOITopSymbols()
|
||
if err != nil {
|
||
log.Printf("⚠️ 获取OI Top数据失败: %v", err)
|
||
oiTopSymbols = []string{} // 失败时用空列表
|
||
}
|
||
|
||
// 3. 合并并去重
|
||
symbolSet := make(map[string]bool)
|
||
symbolSources := make(map[string][]string)
|
||
|
||
// 添加AI500币种
|
||
for _, symbol := range ai500TopSymbols {
|
||
symbolSet[symbol] = true
|
||
symbolSources[symbol] = append(symbolSources[symbol], "ai500")
|
||
}
|
||
|
||
// 添加OI Top币种
|
||
for _, symbol := range oiTopSymbols {
|
||
if !symbolSet[symbol] {
|
||
symbolSet[symbol] = true
|
||
}
|
||
symbolSources[symbol] = append(symbolSources[symbol], "oi_top")
|
||
}
|
||
|
||
// 转换为数组
|
||
var allSymbols []string
|
||
for symbol := range symbolSet {
|
||
allSymbols = append(allSymbols, symbol)
|
||
}
|
||
|
||
// 获取完整数据
|
||
ai500Coins, _ := GetCoinPool()
|
||
oiTopPositions, _ := GetOITopPositions()
|
||
|
||
merged := &MergedCoinPool{
|
||
AI500Coins: ai500Coins,
|
||
OITopCoins: oiTopPositions,
|
||
AllSymbols: allSymbols,
|
||
SymbolSources: symbolSources,
|
||
}
|
||
|
||
log.Printf("📊 币种池合并完成: AI500=%d, OI_Top=%d, 总计(去重)=%d",
|
||
len(ai500TopSymbols), len(oiTopSymbols), len(allSymbols))
|
||
|
||
return merged, nil
|
||
}
|