Initial fund wallet functionality (#15)

Author: joaquim-verges

Assets/Plugin/thirdweb.jslib

@@ -94,6 +94,26 @@ var plugin = {
         dynCall_viii(cb, idPtr, null, buffer);
       });
   },
+  ThirdwebFundWallet: async function (taskId, payload, cb) {
+    // convert taskId from pointer to str and allocate it to keep in memory
+    var id = UTF8ToString(taskId);
+    var idSize = lengthBytesUTF8(id) + 1;
+    var idPtr = _malloc(idSize);
+    stringToUTF8(id, idPtr, idSize);
+    // execute bridge call
+    window.bridge
+      .fundWallet(UTF8ToString(payload))
+      .then(() => {
+        dynCall_viii(cb, idPtr, idPtr, null);
+      })
+      .catch((err) => {
+        var msg = err.message;
+        var bufferSize = lengthBytesUTF8(msg) + 1;
+        var buffer = _malloc(bufferSize);
+        stringToUTF8(msg, buffer, bufferSize);
+        dynCall_viii(cb, idPtr, null, buffer);
+      });
+  },
 };
 
 mergeInto(LibraryManager.library, plugin);

Assets/Thirdweb/Scripts/Bridge.cs

@@ -96,7 +96,6 @@ public static async Task SwitchNetwork(int chainId)
             taskMap[taskId] = task;
             ThirdwebSwitchNetwork(taskId, chainId, jsCallback);
             await task.Task;
-            return;
         }
 
         public static async Task<T> InvokeRoute<T>(string route, string[] body)
@@ -116,6 +115,21 @@ public static async Task<T> InvokeRoute<T>(string route, string[] body)
             return JsonConvert.DeserializeObject<Result<T>>(result).result;
         }
 
+        public static async Task FundWallet(FundWalletOptions payload)
+        {
+            if (Application.isEditor)
+            {
+                Debug.LogWarning("Interacting with the thirdweb SDK is not supported in the editor. Please build and run the app instead.");
+                return;
+            }
+            var msg = Utils.ToJson(payload);
+            string taskId = Guid.NewGuid().ToString();
+            var task = new TaskCompletionSource<string>();
+            taskMap[taskId] = task;
+            ThirdwebFundWallet(taskId, msg, jsCallback);
+            await task.Task;
+        }
+
         [DllImport("__Internal")]
         private static extern string ThirdwebInvoke(string taskId, string route, string payload, Action<string, string, string> cb);
         [DllImport("__Internal")]
@@ -126,5 +140,7 @@ public static async Task<T> InvokeRoute<T>(string route, string[] body)
         private static extern string ThirdwebDisconnect(string taskId, Action<string, string, string> cb);
         [DllImport("__Internal")]
         private static extern string ThirdwebSwitchNetwork(string taskId, int chainId, Action<string, string, string> cb);
+        [DllImport("__Internal")]
+        private static extern string ThirdwebFundWallet(string taskId, string payload, Action<string, string, string> cb);
     }
 }

Assets/Thirdweb/Scripts/ThirdwebSDK.cs

@@ -1,3 +1,5 @@
+using System.Threading.Tasks;
+
 namespace Thirdweb
 {
     /// <summary>
@@ -81,5 +83,14 @@ public Contract GetContract(string address, string abi = null)
         {
             return new Contract(this.chainOrRPC, address, abi);
         }
+
+        /// <summary>
+        /// Prompt the user to fund their wallet using one of the thirdweb pay providers (defaults to Coinbase Pay).
+        /// </summary>
+        /// <param name="options">The options like wallet address to fund, on which chain, etc</param>
+        public async Task FundWallet(FundWalletOptions options)
+        {
+            await Bridge.FundWallet(options);
+        }
     }
 }

Assets/Thirdweb/Scripts/Types.cs

@@ -447,4 +447,13 @@ public override string ToString()
             + $"\n>chain_id: {chain_id}";
         }
     }
+
+    [System.Serializable]
+    public struct FundWalletOptions
+    {
+        public string appId;
+        public string address;
+        public int chainId;
+        public List<string> assets;
+    }
 }