Add agent balance fetch from proxy

src/Managing.Application.Abstractions/Services/IWeb3ProxyService.cs

@@ -15,5 +15,7 @@ namespace Managing.Application.Abstractions.Services
             string orderType = "market", double? triggerRatio = null, double allowedSlippage = 0.5);
 
         Task<SwapInfos> SendTokenAsync(string senderAddress, string recipientAddress, Ticker ticker, decimal amount, int? chainId = null);
+        
+        Task<List<Balance>> GetWalletBalanceAsync(string address, Ticker[] assets, string[] chains);
     }
 }