Add new network configurations, update order endpoints

csharp/src/StationAPI/Endpoints/OrderEndpoints.cs

@@ -1,4 +1,5 @@
 using System.Text.Json;
+using System.Text.Json.Nodes;
 using Train.Solver.StationAPI.Configuration;
 using Train.Solver.StationAPI.Helpers;
 using Train.Solver.StationAPI.Models;
@@ -59,6 +60,8 @@ private static async Task<IResult> GetOrderAsync(
             });
         }
 
+        var enrichedOrder = EnrichTransactionNetworks(orderJson.Value);
+
         var response = new OrderStatusResponse
         {
             Solver = new SolverProfileResponse
@@ -68,7 +71,7 @@ private static async Task<IResult> GetOrderAsync(
                 Description = solver.Description,
                 LogoUrl = solver.LogoUrl
             },
-            Order = orderJson
+            Order = enrichedOrder
         };
 
         return Results.Ok(new ApiResponse<OrderStatusResponse> { Data = response });
@@ -149,7 +152,8 @@ await SseWriter.WriteEventAsync(context.Response, "error",
             var orderJson = await solverClient.GetOrderAsync(solverId, hashlock, ct);
             if (orderJson is not null)
             {
-                var orderResponse = new OrderStatusResponse { Solver = profile, Order = orderJson };
+                var enrichedOrder = EnrichTransactionNetworks(orderJson.Value);
+                var orderResponse = new OrderStatusResponse { Solver = profile, Order = enrichedOrder };
                 var jsonOptions = new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase };
                 var json = JsonSerializer.Serialize(orderResponse, jsonOptions);
                 await SseWriter.WriteEventRawAsync(context.Response, "order", json, ct);
@@ -227,4 +231,48 @@ private static bool IsTerminalEventType(string eventType, JsonElement data)
             return statusProp.GetString();
         return null;
     }
-}
+
+    /// <summary>
+    /// Replaces transaction network slugs with caip2Id values derived from
+    /// the order's source/destination network fields (which are already caip2Id).
+    /// </summary>
+    private static JsonElement? EnrichTransactionNetworks(JsonElement orderElement)
+    {
+        var node = JsonNode.Parse(orderElement.GetRawText());
+        if (node is not JsonObject order) return orderElement;
+
+        var sourceCaip2Id = order["source"]?["network"]?.GetValue<string>();
+        var destCaip2Id = order["destination"]?["network"]?.GetValue<string>();
+
+        if (order["transactions"] is not JsonArray transactions)
+            return orderElement;
+
+        // Build slug → caip2Id map using unambiguous transaction types
+        var slugToCaip2Id = new Dictionary<string, string>();
+        foreach (var tx in transactions)
+        {
+            if (tx is not JsonObject txObj) continue;
+            var type = txObj["type"]?.GetValue<string>();
+            var slug = txObj["network"]?.GetValue<string>();
+            if (slug is null) continue;
+
+            if (type is "UserHTLCLock" or "UserHTLCRefund" && sourceCaip2Id is not null)
+                slugToCaip2Id.TryAdd(slug, sourceCaip2Id);
+            else if (type is "HTLCLock" or "HTLCRefund" or "CloseSolverLock" && destCaip2Id is not null)
+                slugToCaip2Id.TryAdd(slug, destCaip2Id);
+        }
+
+        // Replace network slugs with caip2Id
+        foreach (var tx in transactions)
+        {
+            if (tx is not JsonObject txObj) continue;
+            var slug = txObj["network"]?.GetValue<string>();
+            if (slug is not null && slugToCaip2Id.TryGetValue(slug, out var caip2Id))
+            {
+                txObj["network"] = caip2Id;
+            }
+        }
+
+        return JsonSerializer.Deserialize<JsonElement>(node.ToJsonString());
+    }
+}

csharp/src/StationAPI/station-config.json

@@ -62,6 +62,57 @@
           "logoUrl": "https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/info/logo.png"
         }
       ]
+    },
+    {
+      "caip2Id": "starknet:SN_SEPOLIA",
+      "displayName": "Starknet Sepolia",
+      "chainId": "SN_SEPOLIA",
+      "networkType": "starknet",
+      "logoUrl": "https://raw.githubusercontent.com/TrainProtocol/icons/main/networks/starknet.png",
+      "nativeTokenAddress": "0x049d36570d4e46f48e99674bd3fcc84644ddd6b96f7c741b1562b82f9e004dc7",
+      "tokens": [
+        {
+          "symbol": "ETH",
+          "contract": "0x049d36570d4e46f48e99674bd3fcc84644ddd6b96f7c741b1562b82f9e004dc7",
+          "decimals": 18,
+          "priceSymbol": "ETHUSDT",
+          "logoUrl": "https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/info/logo.png"
+        }
+      ]
+    },
+    {
+      "caip2Id": "aztec:devnet",
+      "displayName": "Aztec Devnet",
+      "chainId": "devnet",
+      "networkType": "aztec",
+      "logoUrl": "https://raw.githubusercontent.com/TrainProtocol/icons/main/networks/aztec.png",
+      "nativeTokenAddress": "0x02c31306cad429e0a00d3a4ee8ba251853099f835101ee2c637e9b3b9351a056",
+      "tokens": [
+        {
+          "symbol": "ETH",
+          "contract": "0x02c31306cad429e0a00d3a4ee8ba251853099f835101ee2c637e9b3b9351a056",
+          "decimals": 18,
+          "priceSymbol": "ETHUSDT",
+          "logoUrl": "https://raw.githubusercontent.com/trustwallet/assets/master/blockchains/ethereum/info/logo.png"
+        }
+      ]
+    },
+    {
+      "caip2Id": "solana:devnet",
+      "displayName": "Solana Devnet",
+      "chainId": "devnet",
+      "networkType": "solana",
+      "logoUrl": "https://raw.githubusercontent.com/TrainProtocol/icons/main/networks/solana.png",
+      "nativeTokenAddress": "11111111111111111111111111111111",
+      "tokens": [
+        {
+          "symbol": "SOL",
+          "contract": "11111111111111111111111111111111",
+          "decimals": 9,
+          "priceSymbol": "SOLUSDT",
+          "logoUrl": "https://raw.githubusercontent.com/TrainProtocol/icons/main/networks/solana.png"
+        }
+      ]
     }
   ],
   "solvers": [