Add funding rate watcher (#2)

* Add FundingRate interfaces and worker

* Add build on PR

* Remove zip

* Specify the solution path

* Add build for worker too

* Set up StatisticService.cs for funding rate

* Add Fundingrate alerts

* Send alert when big funding rate change + add SlashCommands.cs for fundingrate

* Remove fixtures

* Refact names

* Renames

src/Managing.Infrastructure.Tests/TradaoTests.cs

@@ -6,8 +6,15 @@ namespace Managing.Infrastructure.Tests;
 
 public class TradaoTests
 {
+    private readonly TradaoService _tradaoService;
+
+    public TradaoTests()
+    {
+        _tradaoService = new TradaoService();
+    }
+
     [Fact]
-    public async void Should_return_best_trader() 
+    public async void Should_return_best_trader()
     {
         var service = new TradaoService();
         var details = await service.GetBestTrader();
@@ -21,4 +28,39 @@ public class TradaoTests
         var details = (await service.GetBadTrader()).FindBadTrader();
         Assert.NotNull(details);
     }
-}
+
+    [Fact]
+    public async void Should_return_funding_rates()
+    {
+        var service = new TradaoService();
+        var details = await service.GetFundingRates();
+        Assert.NotNull(details);
+    }
+
+    [Fact]
+    public void GetApy_WithPositiveRate_ReturnsExpectedPositiveApy()
+    {
+        var result = _tradaoService.GetApy("0.0055");
+        Assert.True(result > 48m);
+    }
+
+    [Fact]
+    public void GetApy_WithNegativeRate_ReturnsPositiveApy()
+    {
+        var result = _tradaoService.GetApy("-0.00834530");
+        Assert.True(result < -73m);
+    }
+
+    [Fact]
+    public void GetApy_WithZeroRate_ReturnsZeroApy()
+    {
+        var result = _tradaoService.GetApy("0");
+        Assert.Equal(0m, result);
+    }
+
+    [Fact]
+    public void GetApy_WithInvalidFormat_ThrowsFormatException()
+    {
+        Assert.Throws<FormatException>(() => _tradaoService.GetApy("invalid"));
+    }
+}