ok

PepperBot/Application/Interfaces/IDealRepository.cs

@@ -0,0 +1,11 @@
+using PepperBot.Domain;
+
+namespace PepperBot.Application.Interfaces;
+
+public interface IDealRepository
+{
+    Task InitializeAsync(CancellationToken cancellationToken);
+    Task<bool> ExistsAsync(long id, CancellationToken cancellationToken);
+    Task AddAsync(Deal deal, CancellationToken cancellationToken);
+}
+

PepperBot/Application/Interfaces/IPepperClient.cs

@@ -0,0 +1,9 @@
+using PepperBot.Domain;
+
+namespace PepperBot.Application.Interfaces;
+
+public interface IPepperClient
+{
+    Task<IReadOnlyList<Deal>> GetLatestDealsAsync(CancellationToken cancellationToken);
+}
+

PepperBot/Application/Interfaces/ITelegramNotifier.cs

@@ -0,0 +1,9 @@
+using PepperBot.Domain;
+
+namespace PepperBot.Application.Interfaces;
+
+public interface ITelegramNotifier
+{
+    Task NotifyNewDealAsync(Deal deal, CancellationToken cancellationToken);
+}
+