docs: unity get token balance

Assets/Shared/Scripts/Domain/GetTokenBalanceUseCase.cs

@@ -0,0 +1,30 @@
+using System;
+using Cysharp.Threading.Tasks;
+using Immutable.Orderbook.Api;
+using Immutable.Orderbook.Client;
+
+namespace HyperCasual.Runner
+{
+    public class GetTokenBalanceUseCase
+    {
+        private static readonly Lazy<GetTokenBalanceUseCase> s_Instance = new(() => new GetTokenBalanceUseCase());
+
+        private readonly OrderbookApi m_OrderbookApi = new(new Configuration { BasePath = Config.BASE_URL });
+
+        private GetTokenBalanceUseCase() { }
+
+        public static GetTokenBalanceUseCase Instance => s_Instance.Value;
+
+        /// <summary>
+        /// Gets the user's ERC20 token balance
+        /// </summary>
+        public async UniTask<string> GetBalance()
+        {
+            var result = await m_OrderbookApi.TokenBalanceAsync(
+                walletAddress: SaveManager.Instance.WalletAddress,
+                contractAddress: Contract.TOKEN
+            );
+            return result.Quantity;
+        }
+    }
+}

Assets/Shared/Scripts/UI/BalanceObject.cs

@@ -1,6 +1,5 @@
 #nullable enable
 using System;
-using System.Net.Http;
 using Cysharp.Threading.Tasks;
 using TMPro;
 using UnityEngine;
@@ -27,24 +26,12 @@ public class BalanceObject : MonoBehaviour
 
             try
             {
-                using var client = new HttpClient();
-                var response = await client.GetAsync($"{Config.SERVER_URL}/balance?address={SaveManager.Instance.WalletAddress}");
+                var balance = await GetTokenBalanceUseCase.Instance.GetBalance();
+                m_ValueText.text = $"{balance} IMR";
 
-                if (response.IsSuccessStatusCode)
-                {
-                    var responseBody = await response.Content.ReadAsStringAsync();
-                    Debug.Log($"Balance response: {responseBody}");
+                if (gameObject != null) gameObject.SetActive(true);
 
-                    var balanceResponse = JsonUtility.FromJson<BalanceResponse>(responseBody);
-                    if (balanceResponse?.quantity != null) m_ValueText.text = $"{balanceResponse.quantity} IMR";
-
-                    if (gameObject != null) gameObject.SetActive(true);
-
-                    return balanceResponse?.quantity == "0.0" ? "0" : balanceResponse?.quantity;
-                }
-
-                Debug.LogWarning("Failed to retrieve the balance.");
-                return null;
+                return balance == "0.0" ? "0" : balance;
             }
             catch (Exception ex)
             {

Packages/packages-lock.json

@@ -42,7 +42,7 @@
         "com.unity.nuget.newtonsoft-json": "3.2.0",
         "com.cysharp.unitask": "2.3.3"
       },
-      "hash": "b136ff40a2b0486fa9057b49b022d4d51581b82c"
+      "hash": "9ed3136ecf878ee1cf229fdf8c7f064bdb6e6cda"
     },
     "com.nobi.roundedcorners": {
       "version": "https://github.com/kirevdokimov/Unity-UI-Rounded-Corners.git",

ProjectSettings/ProjectSettings.asset

@@ -135,8 +135,7 @@ PlayerSettings:
     16:9: 1
     Others: 1
   bundleVersion: 0.1.0
-  preloadedAssets:
-  - {fileID: 11400000, guid: 7abe46dede6624a60a115c533b19a2a8, type: 2}
+  preloadedAssets: []
   metroInputSource: 0
   wsaTransparentSwapchain: 0
   m_HolographicPauseOnTrackingLoss: 1

mint-backend/src/index.ts

@@ -133,31 +133,6 @@ router.post('/mint/skin', async (req: Request, res: Response) => {
 },
 );
 
-// In-game ERC20 balance
-router.get('/balance', async (req: Request, res: Response) => {
-  try {
-    if (tokenContractAddress) {
-      // Get the address
-      const address = req.query.address ?? null;
-
-      // Call balanceOf
-      const abi = ['function balanceOf(address account) view returns (uint256)'];
-      const contract = new Contract(tokenContractAddress, abi, zkEvmProvider);
-      const balance = await contract.balanceOf(address);
-
-      return res.status(200).json({
-        quantity: utils.formatUnits(balance, 18),
-      });
-    } else {
-      return res.status(500).json({});
-    }
-
-  } catch (error) {
-    console.log(error);
-    return res.status(400).json({ message: 'Failed to mint to user' });
-  }
-},
-);
 
 // Packs
 const galacticShieldId = 1;