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11 changed files with 185 additions and 220 deletions
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1
KLHZ.Trader.Core.Contracts/Messaging/Dtos/Interfaces/ITradeCommand.cs
View File

@ -9,6 +9,5 @@ namespace KLHZ.Trader.Core.Contracts.Messaging.Dtos.Interfaces
public decimal? RecomendPrice { get; }
public long Count { get; }
public string AccountId { get; }
public bool EnableMargin { get; }
}
}

1
KLHZ.Trader.Core.Contracts/Messaging/Dtos/TradeCommand.cs
View File

@ -10,6 +10,5 @@ namespace KLHZ.Trader.Core.Contracts.Messaging.Dtos
public decimal? RecomendPrice { get; init; }
public long Count { get; init; }
public required string AccountId { get; init; }
public bool EnableMargin { get; init; } = true;
}
}

8
KLHZ.Trader.Core.Math/Common/Lines.cs
View File

@ -10,10 +10,10 @@
return (x, y);
}
public static (bool res,DateTime x, decimal y) IsLinesCrossing(DateTime time1, DateTime time2, decimal val1_1, decimal val1_2, decimal val2_1, decimal val2_2)
public static bool IsLinesCrossing(DateTime time1, DateTime time2, decimal val1_1, decimal val1_2, decimal val2_1, decimal val2_2)
{
var dtime = (decimal)(time2 - time1).TotalSeconds;
if (dtime == 0) return (false, DateTime.MinValue,0);
if (dtime == 0) return false;
var dval1 = val1_2 - val1_1;
var k1 = dval1 / dtime;
var b1 = val1_1;
@ -28,10 +28,10 @@
if (cross.x >= 0 && cross.x <= dtime)
{
var crossingTimestamp = time1.AddSeconds((double)cross.x);
return (crossingTimestamp >= time1 && crossingTimestamp <= time2, crossingTimestamp, cross.y);
return crossingTimestamp >= time1 && crossingTimestamp <= time2;
}
}
return (false, DateTime.MinValue, 0);
return false;
}
}
}

69
KLHZ.Trader.Core.Math/Declisions/Utils/MovingAverage.cs
View File

@ -29,10 +29,11 @@ namespace KLHZ.Trader.Core.Math.Declisions.Utils
try
{
var pricesForFinalComparison = new decimal[size];
var timesForFinalComparison = new DateTime[size];
var twavss = new decimal[size];
var twavbs = new decimal[size];
var times = new DateTime[size];
var crossings = new List<int>();
for (int shift = 0; shift < size - 1 && shift < prices.Length - 1; shift++)
{
s = shift;
@ -42,7 +43,7 @@ namespace KLHZ.Trader.Core.Math.Declisions.Utils
var twavs = CalcTimeWindowAverageValue(timestamps, prices, smallWindow, shift);
var twavb = CalcTimeWindowAverageValue(timestamps, prices, bigWindow, shift);
pricesForFinalComparison[i2] = prices[prices.Length - 1 - shift];
timesForFinalComparison[i2] = timestamps[prices.Length - 1 - shift];
if (shift == 0)
{
bigWindowAv = twavb.value;
@ -51,7 +52,11 @@ namespace KLHZ.Trader.Core.Math.Declisions.Utils
twavss[i2] = twavs.value;
twavbs[i2] = twavb.value;
times[i2] = twavb.time;
if (System.Math.Abs(twavb.value - prices[prices.Length - 1]) > 2 * meanfullStep)
{
res |= TradingEvent.StopBuy;
return (res, bigWindowAv, smallWindowAv);
}
if (shift > 0)
{
var isCrossing = Lines.IsLinesCrossing(
@ -62,63 +67,33 @@ namespace KLHZ.Trader.Core.Math.Declisions.Utils
twavbs[i1 + 1],
twavbs[i2 + 1]);
if (shift == 1 && !isCrossing.res) //если нет пересечения скользящих средний с окном 120 и 15 секунд между
if (shift == 1 && !isCrossing) //если нет пересечения скользящих средний с окном 120 и 15 секунд между
//текущей и предыдущей точкой - можно не продолжать выполнение.
{
break;
}
if (isCrossing.res)
if (shift > 1 && isCrossing)
{
crossings.Add(i2);
if (crossings.Count == 4 || (shift + 1 == size - 1 || shift + 1 == prices.Length - 1))
// если фильтрация окном 120 наползает на окно 15 сверху, потенциальное время открытия лонга и закрытия шорта
if (twavbs[size - 1] <= twavss[size - 1] && twavbs[size - 2] > twavss[size - 2])
{
if ((shift + 1 == size - 1 || shift + 1 == prices.Length - 1))
if (pricesForFinalComparison[i2 + 1] - pricesForFinalComparison[size - 1] >= meanfullStep
&& timesForFinalComparison[size - 1] - timesForFinalComparison[i2 + 1] >= timeForUptreandStart)
{
crossings.Add(shift);
}
var diffTotal = pricesForFinalComparison[crossings[0]] - pricesForFinalComparison[crossings[1]];
for (int crossingShift = 1; crossingShift < crossings.Count - 2; crossingShift++)
{
var diff = pricesForFinalComparison[crossings[crossingShift]] - pricesForFinalComparison[crossings[crossingShift + 1]];
if (diff >= 0)
{
diffTotal += diff;
}
else
{
break;
}
}
// если фильтрация окном 15 наползает на окно 120 сверху, потенциальное время закрытия лонга и возможно открытия шорта
if (twavss[size - 1] <= twavbs[size - 1] && twavss[size - 2] > twavbs[size - 2])
{
if (diffTotal >= meanfullStep
&& times[crossings[0]] - times[crossings[1]] >= timeForUptreandStart)
{
res |= TradingEvent.UptrendEnd;
}
break;
res |= TradingEvent.UptrendStart;
}
break;
}
if (crossings.Count == 2 || (shift + 1 == size - 1 || shift + 1 == prices.Length - 1))
// если фильтрация окном 15 наползает на окно 120 сверху, потенциальное время закрытия лонга и возможно открытия шорта
if (twavss[size - 1] <= twavbs[size - 1] && twavss[size - 2] > twavbs[size - 2])
{
if ((shift + 1 == size - 1 || shift + 1 == prices.Length - 1))
if (pricesForFinalComparison[i2 + 1] - pricesForFinalComparison[size - 1] <= -meanfullStep
&& timesForFinalComparison[size - 1] - timesForFinalComparison[i2 + 1] >= timeForUptreandStart)
{
crossings.Add(shift);
}
// если фильтрация окном 120 наползает на окно 15 сверху, потенциальное время открытия лонга и закрытия шорта
if (twavss[size - 1] >= twavbs[size - 1] && twavss[size - 2] < twavbs[size - 2])
{
if (pricesForFinalComparison[crossings[0]] - pricesForFinalComparison[crossings[1]] <= - meanfullStep
&& times[crossings[0]] - times[crossings[1]] >= timeForUptreandStart)
{
res |= TradingEvent.UptrendStart;
}
break;
res |= TradingEvent.UptrendEnd;
}
break;
}
}
}

69
KLHZ.Trader.Core.Math/Declisions/Utils/ShapeAreaCalculator.cs
View File

@ -1,69 +0,0 @@
using System;
namespace KLHZ.Trader.Core.Math.Declisions.Utils
{
public static class ShapeAreaCalculator
{
// Метод для расчёта площади треугольника
public static double CalculateTriangleArea(
DateTime pointA_X, decimal pointA_Y,
DateTime pointB_X, decimal pointB_Y,
DateTime pointC_X, decimal pointC_Y)
{
// Определяем самую позднюю точку
DateTime latestPoint = new[] { pointA_X, pointB_X, pointC_X }.Max();
// Смещённые координаты
double offsetA = GetOffsetInSeconds(latestPoint, pointA_X);
double offsetB = GetOffsetInSeconds(latestPoint, pointB_X);
double offsetC = GetOffsetInSeconds(latestPoint, pointC_X);
// Расчёт расстояний
double sideAB = DistanceBetweenPoints(offsetA, (double)pointA_Y, offsetB, (double)pointB_Y);
double sideBC = DistanceBetweenPoints(offsetB, (double)pointB_Y, offsetC, (double)pointC_Y);
double sideCA = DistanceBetweenPoints(offsetC, (double)pointC_Y, offsetA, (double)pointA_Y);
// Формула Герона
double semiPerimeter = (sideAB + sideBC + sideCA) / 2;
return System.Math.Sqrt(semiPerimeter * (semiPerimeter - sideAB) *
(semiPerimeter - sideBC) * (semiPerimeter - sideCA));
}
// Метод для расчёта площади четырёхугольника
public static double CalculateQuadrilateralArea(
DateTime pointA_X, decimal pointA_Y,
DateTime pointB_X, decimal pointB_Y,
DateTime pointC_X, decimal pointC_Y,
DateTime pointD_X, decimal pointD_Y)
{
// Определяем самую позднюю точку
DateTime latestPoint = new[] { pointA_X, pointB_X, pointC_X, pointD_X }.Max();
// Смещённые координаты
double offsetA = GetOffsetInSeconds(latestPoint, pointA_X);
double offsetB = GetOffsetInSeconds(latestPoint, pointB_X);
double offsetC = GetOffsetInSeconds(latestPoint, pointC_X);
double offsetD = GetOffsetInSeconds(latestPoint, pointD_X);
// Суммируем площади двух треугольников
double firstTriangleArea = CalculateTriangleArea(pointA_X, pointA_Y, pointB_X, pointB_Y, pointD_X, pointD_Y);
double secondTriangleArea = CalculateTriangleArea(pointB_X, pointB_Y, pointC_X, pointC_Y, pointD_X, pointD_Y);
return firstTriangleArea + secondTriangleArea;
}
// Вспомогательные методы
// Конвертация разницы времён в секунды
private static double GetOffsetInSeconds(DateTime referencePoint, DateTime targetPoint)
{
return (referencePoint - targetPoint).TotalSeconds;
}
// Евклидово расстояние между двумя точками
private static double DistanceBetweenPoints(double x1, double y1, double x2, double y2)
{
return System.Math.Sqrt(System.Math.Pow(x2 - x1, 2) + System.Math.Pow(y2 - y1, 2));
}
}
}

4
KLHZ.Trader.Core.Tests/LinesProcessingTest.cs
View File

@ -16,7 +16,7 @@ namespace KLHZ.Trader.Core.Tests
var val2_1 = -0.5m;
var val2_2 = 0.5m;
Assert.IsTrue(Lines.IsLinesCrossing(time1, time2, val1_1, val1_2, val2_1, val2_2).res);
Assert.IsTrue(Lines.IsLinesCrossing(time1, time2, val1_1, val1_2, val2_1, val2_2));
}
[Test]
@ -31,7 +31,7 @@ namespace KLHZ.Trader.Core.Tests
var val2_1 = 0.5m;
var val2_2 = -0.5m;
Assert.IsFalse(Lines.IsLinesCrossing(time1, time2, val1_1, val1_2, val2_1, val2_2).res);
Assert.IsFalse(Lines.IsLinesCrossing(time1, time2, val1_1, val1_2, val2_1, val2_2));
}
}
}

128
KLHZ.Trader.Core/Exchange/Services/Trader.cs
View File

@ -28,6 +28,8 @@ namespace KLHZ.Trader.Core.Exchange.Services
private readonly IDataBus _dataBus;
private readonly TraderDataProvider _tradeDataProvider;
private readonly ILogger<Trader> _logger;
private readonly ConcurrentDictionary<string, DeferredTrade> DeferredLongOpens = new();
private readonly ConcurrentDictionary<string, DeferredTrade> DeferredLongCloses = new();
private readonly ConcurrentDictionary<string, DateTime> OpeningStops = new();
private readonly ConcurrentDictionary<string, InstrumentSettings> Leverages = new();
@ -89,8 +91,8 @@ namespace KLHZ.Trader.Core.Exchange.Services
try
{
await _tradeDataProvider.AddData(message, TimeSpan.FromHours(7));
//await ProcessDeferredLongOpens(message, currentTime);
//await ProcessDeferredLongCloses(message, currentTime);
await ProcessDeferredLongOpens(message, currentTime);
await ProcessDeferredLongCloses(message, currentTime);
if (message.Figi == "FUTIMOEXF000")
{
var windowMaxSize = 1000;
@ -129,8 +131,7 @@ namespace KLHZ.Trader.Core.Exchange.Services
{
AccountId = asset.AccountId,
Figi = message.Figi,
CommandType = asset.Count < 0? Contracts.Messaging.Dtos.Enums.TradeCommandType.MarketBuy
: Contracts.Messaging.Dtos.Enums.TradeCommandType.MarketSell,
CommandType = Contracts.Messaging.Dtos.Enums.TradeCommandType.MarketSell,
Count = (long)asset.Count,
RecomendPrice = null,
});
@ -145,7 +146,7 @@ namespace KLHZ.Trader.Core.Exchange.Services
INewPrice message, int windowMaxSize)
{
var res = TradingEvent.None;
var resultMoveAvFull = MovingAverage.CheckByWindowAverageMean(data.timestamps, data.prices, windowMaxSize, 25, 120, TimeSpan.FromSeconds(20), 1.5m);
var resultMoveAvFull = MovingAverage.CheckByWindowAverageMean(data.timestamps, data.prices, windowMaxSize, 45, 180, TimeSpan.FromSeconds(30), 1m);
//var resultLongClose = MovingAverage.CheckByWindowAverageMean(data.timestamps, data.prices, windowMaxSize, 15, 120, 1.5m).events;
//ar uptrendStarts = LocalTrends.CheckByLocalTrends(data.timestamps, data.prices, TimeSpan.FromSeconds(120), TimeSpan.FromSeconds(20), 1.5m, 15);
@ -171,16 +172,15 @@ namespace KLHZ.Trader.Core.Exchange.Services
&& !OpeningStops.TryGetValue(message.Figi, out _)
&& state == ExchangeState.Open
&& data.timestamps.Length > 1
&& (data.timestamps[data.timestamps.Length - 1] - data.timestamps[data.timestamps.Length - 2] < TimeSpan.FromMinutes(1))
)
&& (data.timestamps[data.timestamps.Length - 1] - data.timestamps[data.timestamps.Length - 2] < TimeSpan.FromMinutes(1)))
{
var fullData = await _tradeDataProvider.GetData(message.Figi, TimeSpan.FromMinutes(30));
var fullData = await _tradeDataProvider.GetData(message.Figi, TimeSpan.FromMinutes(60));
if (fullData.isFullIntervalExists)
{
var max = fullData.prices.Max();
var min = fullData.prices.Min();
if (max - min < 15 && fullData.prices.Last() - fullData.prices.First() < 4 && fullData.prices.Last() - fullData.prices.First()>-4)
if (max - min < 15 && fullData.prices.Last() - fullData.prices.First() < 4)
{
if (!message.IsHistoricalData && BotModeSwitcher.CanPurchase())
{
@ -209,7 +209,7 @@ namespace KLHZ.Trader.Core.Exchange.Services
}
else
{
await LogDeclision(DeclisionTradeAction.OpenLong, message);
await LogDeclision(DeclisionTradeAction.OpenLong, message);
}
}
}
@ -281,6 +281,114 @@ namespace KLHZ.Trader.Core.Exchange.Services
}
}
private async Task ProcessDeferredLongOpens(INewPrice message, DateTime currentTime)
{
if (message.Figi == "FUTIMOEXF000")
{
DeferredTrade? longOpen;
DeferredLongOpens.TryGetValue(message.Figi, out longOpen);
if (longOpen != null)
{
var t = currentTime;
if (longOpen.Time <= t
&& t - longOpen.Time < TimeSpan.FromMinutes(3))
{
DeferredLongOpens.TryRemove(message.Figi, out _);
if (message.Value - longOpen.Price < 1)
{
if (!message.IsHistoricalData && BotModeSwitcher.CanPurchase())
{
var accounts = _tradeDataProvider.Accounts
.Where(a => !a.Value.Assets.ContainsKey(message.Figi))
.ToArray();
foreach (var acc in accounts)
{
if (IsBuyAllowed(acc.Value, message.Value, 1, _accountCashPartFutures, _accountCashPart))
{
if (RandomNumberGenerator.GetInt32(100) > 50)
{
await _dataBus.Broadcast(new TradeCommand()
{
AccountId = acc.Value.AccountId,
Figi = message.Figi,
CommandType = Contracts.Messaging.Dtos.Enums.TradeCommandType.MarketBuy,
Count = 1,
RecomendPrice = null,
});
}
await LogDeclision(DeclisionTradeAction.OpenLong, message);
}
}
}
else
{
await LogDeclision(DeclisionTradeAction.OpenLong, message);
}
}
}
}
}
}
private async Task ProcessDeferredLongCloses(INewPrice message, DateTime currentTime)
{
if (message.Figi == "FUTIMOEXF000")
{
DeferredTrade? longClose;
DeferredLongCloses.TryGetValue(message.Figi, out longClose);
if (longClose != null)
{
if (longClose.Time <= currentTime)
{
DeferredLongCloses.TryRemove(message.Figi, out _);
if (longClose.Price - message.Value < 1)
{
var assetType = _tradeDataProvider.GetAssetTypeByFigi(message.Figi);
if (!message.IsHistoricalData && BotModeSwitcher.CanSell())
{
var assetsForClose = _tradeDataProvider.Accounts
.SelectMany(a => a.Value.Assets.Values)
.Where(a => a.Figi == message.Figi && a.Count > 0)
.ToArray();
foreach (var asset in assetsForClose)
{
var profit = 0m;
if (assetType == AssetType.Common && asset.Count > 0)
{
profit = TradingCalculator.CaclProfit(asset.BoughtPrice, message.Value,
GetComission(assetType), 1, false);
}
if (assetType == AssetType.Futures)
{
profit = TradingCalculator.CaclProfit(asset.BoughtPrice, message.Value,
GetComission(assetType), GetLeverage(message.Figi, asset.Count < 0), asset.Count < 0);
}
if (profit > 0)
{
await _dataBus.Broadcast(new TradeCommand()
{
AccountId = asset.AccountId,
Figi = message.Figi,
CommandType = Contracts.Messaging.Dtos.Enums.TradeCommandType.MarketSell,
Count = (long)asset.Count,
RecomendPrice = null,
});
await LogDeclision(DeclisionTradeAction.CloseLong, message, profit);
}
}
}
else
{
await LogDeclision(DeclisionTradeAction.CloseLong, message);
}
}
}
}
}
}
private async Task LogPrice(INewPrice message, string processor, decimal value)
{
await _tradeDataProvider.LogPrice(new ProcessedPrice()

11
KLHZ.Trader.Core/Exchange/Services/TraderDataProvider.cs
View File

@ -1,5 +1,4 @@
using Google.Protobuf.WellKnownTypes;
using KLHZ.Trader.Core.Contracts.Declisions.Interfaces;
using KLHZ.Trader.Core.Contracts.Declisions.Interfaces;
using KLHZ.Trader.Core.Contracts.Messaging.Dtos;
using KLHZ.Trader.Core.Contracts.Messaging.Dtos.Interfaces;
using KLHZ.Trader.Core.DataLayer;
@ -109,7 +108,7 @@ namespace KLHZ.Trader.Core.Exchange.Services
public async Task Init()
{
await _initSemaphore.WaitAsync(TimeSpan.FromSeconds(3));
await _initSemaphore.WaitAsync(TimeSpan.FromSeconds(15));
try
{
var shares = await _investApiClient.Instruments.SharesAsync();
@ -417,11 +416,5 @@ namespace KLHZ.Trader.Core.Exchange.Services
}
}
}
public ValueTask<Asset[]> GetAssetsByFigi(string figi)
{
var assets = Accounts.Values.SelectMany(a => a.Assets.Values.Where(aa => aa.Figi == figi)).ToArray();
return ValueTask.FromResult(assets);
}
}
}

2
KLHZ.Trader.Core/Exchange/Services/TradingCommandsExecutor.cs
View File

@ -63,7 +63,7 @@ namespace KLHZ.Trader.Core.Exchange.Services
Direction = dir,
OrderType = OrderType.Market,
Quantity = tradeCommand.Count,
ConfirmMarginTrade = tradeCommand.EnableMargin,
ConfirmMarginTrade = true,
};
var res = await _investApiClient.Orders.PostOrderAsync(req);

30
KLHZ.Trader.Core/TG/Services/BotMessagesHandler.cs
View File

@ -2,7 +2,6 @@
using KLHZ.Trader.Core.Contracts.Messaging.Dtos;
using KLHZ.Trader.Core.Contracts.Messaging.Dtos.Enums;
using KLHZ.Trader.Core.Contracts.Messaging.Interfaces;
using KLHZ.Trader.Core.Exchange.Services;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System.Collections.Immutable;
@ -18,10 +17,8 @@ namespace KLHZ.Trader.Core.TG.Services
private readonly ImmutableArray<long> _admins = [];
private readonly IDataBus _eventBus;
private readonly ILogger<BotMessagesHandler> _logger;
private readonly TraderDataProvider _traderDataProvider;
public BotMessagesHandler(IDataBus eventBus, IOptions<TgBotConfig> options, ILogger<BotMessagesHandler> logger, TraderDataProvider traderDataProvider)
public BotMessagesHandler(IDataBus eventBus, IOptions<TgBotConfig> options, ILogger<BotMessagesHandler> logger)
{
_traderDataProvider = traderDataProvider;
_logger = logger;
_eventBus = eventBus;
_admins = ImmutableArray.CreateRange(options.Value.Admins);
@ -77,24 +74,15 @@ namespace KLHZ.Trader.Core.TG.Services
}
case "продать IMOEXF":
{
var assets = await _traderDataProvider.GetAssetsByFigi("FUTIMOEXF000");
foreach(var asset in assets)
var command = new TradeCommand()
{
if (asset.Count > 0)
{
var command = new TradeCommand()
{
AccountId = asset.AccountId,
CommandType = TradeCommandType.MarketSell,
RecomendPrice = null,
Figi = asset.Figi,
Count = (long)asset.Count,
};
await _eventBus.Broadcast(command);
}
}
AccountId = "2274189208",
CommandType = TradeCommandType.MarketSell,
RecomendPrice = null,
Figi = "FUTIMOEXF000",
Count = 1,
};
await _eventBus.Broadcast(command);
break;
}
case "купить IMOEXF":

82
KLHZ.Trader.Service/Controllers/PlayController.cs
View File

@ -52,61 +52,33 @@ namespace KLHZ.Trader.Service.Controllers
}
}
////[HttpGet]
//public async Task LoadTradesToHistory(string figi)
//{
// try
// {
// using var context1 = await _dbContextFactory.CreateDbContextAsync();
// context1.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
// var data = await context1.InstrumentTrades
// .Where(c => c.Figi == figi)
// .OrderBy(c => c.BoughtAt)
// .Select(c => new PriceChange()
// {
// Figi = figi,
// Ticker = c.Ticker,
// Time = c.BoughtAt,
// Value = c.Price,
// IsHistoricalData = true
// })
// .ToArrayAsync();
// await context1.PriceChanges.Where(p => p.Figi == figi).ExecuteDeleteAsync();
// await context1.PriceChanges.AddRangeAsync(data);
// await context1.SaveChangesAsync();
// }
// catch (Exception ex)
// {
[HttpGet]
public async Task LoadTradesToHistory(string figi)
{
try
{
using var context1 = await _dbContextFactory.CreateDbContextAsync();
context1.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
var data = await context1.InstrumentTrades
.Where(c => c.Figi == figi)
.OrderBy(c => c.BoughtAt)
.Select(c => new PriceChange()
{
Figi = figi,
Ticker = c.Ticker,
Time = c.BoughtAt,
Value = c.Price,
IsHistoricalData = true
})
.ToArrayAsync();
await context1.PriceChanges.Where(p => p.Figi == figi).ExecuteDeleteAsync();
await context1.PriceChanges.AddRangeAsync(data);
await context1.SaveChangesAsync();
}
catch (Exception ex)
{
// }
//}
////[HttpGet]
//public async Task LoadTradesToHistory(string figi)
//{
// try
// {
// using var context1 = await _dbContextFactory.CreateDbContextAsync();
// context1.ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
// var data = await context1.InstrumentTrades
// .Where(c => c.Figi == figi)
// .OrderBy(c => c.BoughtAt)
// .Select(c => new PriceChange()
// {
// Figi = figi,
// Ticker = c.Ticker,
// Time = c.BoughtAt,
// Value = c.Price,
// IsHistoricalData = true
// })
// .ToArrayAsync();
// await context1.PriceChanges.Where(p => p.Figi == figi).ExecuteDeleteAsync();
// await context1.PriceChanges.AddRangeAsync(data);
// await context1.SaveChangesAsync();
// }
// catch (Exception ex)
// {
// }
//}
}
}
}
}