Swap tokens

src/Managing.Infrastructure.Web3/Models/Proxy/GmxSwapResponse.cs

@@ -0,0 +1,38 @@
+using System.Text.Json.Serialization;
+using Newtonsoft.Json;
+
+namespace Managing.Infrastructure.Evm.Models.Proxy;
+
+/// <summary>
+/// Response model for GMX swap operations
+/// </summary>
+public class GmxSwapResponse : Web3ProxyBaseResponse
+{
+    /// <summary>
+    /// Transaction hash if successful
+    /// </summary>
+    [JsonProperty("hash")]
+    [JsonPropertyName("hash")]
+    public string Hash { get; set; }
+
+    /// <summary>
+    /// Success message
+    /// </summary>
+    [JsonProperty("message")]
+    [JsonPropertyName("message")]
+    public string Message { get; set; }
+
+    /// <summary>
+    /// Error type if failed
+    /// </summary>
+    [JsonProperty("errorType")]
+    [JsonPropertyName("errorType")]
+    public string ErrorType { get; set; }
+
+    /// <summary>
+    /// Suggestion for error resolution
+    /// </summary>
+    [JsonProperty("suggestion")]
+    [JsonPropertyName("suggestion")]
+    public string Suggestion { get; set; }
+} 

src/Managing.Infrastructure.Web3/Services/Web3ProxyService.cs

@@ -6,6 +6,7 @@ using Managing.Application.Abstractions.Services;
 using Managing.Domain.Accounts;
 using Managing.Infrastructure.Evm.Models.Proxy;
 using Microsoft.Extensions.Options;
+using static Managing.Common.Enums;
 
 namespace Managing.Infrastructure.Evm.Services
 {
@@ -180,6 +181,38 @@ namespace Managing.Infrastructure.Evm.Services
             };
         }
 
+        public async Task<SwapInfos> SwapGmxTokensAsync(string account, Ticker fromTicker, Ticker toTicker, double amount, string orderType = "market", double? triggerRatio = null, double allowedSlippage = 0.5)
+        {
+            var payload = new 
+            { 
+                account, 
+                fromTicker = fromTicker.ToString(), 
+                toTicker = toTicker.ToString(), 
+                amount, 
+                orderType, 
+                triggerRatio, 
+                allowedSlippage 
+            };
+            
+            var response = await CallGmxServiceAsync<GmxSwapResponse>("/swap-tokens", payload);
+
+            if (response == null)
+            {
+                throw new Web3ProxyException("GMX swap response is null");
+            }
+
+            // Map from infrastructure model to domain model
+            return new SwapInfos
+            {
+                Success = response.Success,
+                Hash = response.Hash,
+                Message = response.Message,
+                Error = null, // GmxSwapResponse doesn't have Error property
+                ErrorType = response.ErrorType,
+                Suggestion = response.Suggestion
+            };
+        }
+
         private async Task HandleErrorResponse(HttpResponseMessage response)
         {
             var statusCode = (int)response.StatusCode;