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优化行情缓存策略：美股交易时段缓存15分钟，非交易时段缓存24小时，节省API配额

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claw_bot 2026-03-12 03:33:03 +00:00
parent 9936cbc7f2
commit 7685782bb4
1 changed files with 13 additions and 5 deletions
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18
AssetManager.Infrastructure/Services/MarketDataService.cs
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@ -428,12 +428,20 @@ public class MarketDataService : IMarketDataService
/// </summary> /// </summary>
private DateTime GetCacheExpirationTime(string assetType) private DateTime GetCacheExpirationTime(string assetType)
{ {
return assetType.ToLower() switch if (assetType.Equals("crypto", StringComparison.OrdinalIgnoreCase))
{ {
"stock" => DateTime.Now.AddMinutes(15), // 股票缓存15分钟 return DateTime.Now.AddMinutes(1); // 加密货币7*24小时交易，缓存1分钟
"crypto" => DateTime.Now.AddMinutes(1), // 加密货币缓存1分钟 }
_ => DateTime.Now.AddMinutes(15)
}; // 美股交易时段：9:30-16:00 美国东部时间 = 14:30-21:00 UTC（夏令时）/15:30-22:00 UTC（冬令时）
// 简化处理：UTC时间14:00-22:00视为美股交易时段
var nowUtc = DateTime.UtcNow;
if (nowUtc.Hour >= 14 && nowUtc.Hour < 22 && nowUtc.DayOfWeek is not DayOfWeek.Saturday and not DayOfWeek.Sunday)
{
return DateTime.Now.AddMinutes(15); // 交易时段缓存15分钟
}
return DateTime.Now.AddHours(24); // 非交易时段（盘前/盘后/周末）缓存24小时，节省API调用
} }
} }