feat: Resolved PR comments.

Signed-off-by: Gaurav Goel <[email protected]>

Author: grvgoel81

app/src/main/java/com/web3auth/app/MainActivity.kt

@@ -251,13 +251,10 @@ class MainActivity : AppCompatActivity(), AdapterView.OnItemClickListener {
                 add("Android")
             }
             val signMsgCompletableFuture = web3Auth.request(
-                chainId = "0x89",
-                chainConfig = listOf(
-                    ChainsConfig(
-                        chainId = "0x89",
-                        rpcTarget = "https://polygon-rpc.com/",
-                        chainNamespace = ChainNamespace.EIP155
-                    )
+                chainConfig = ChainsConfig(
+                    chainId = "0x89",
+                    rpcTarget = "https://polygon-rpc.com/",
+                    chainNamespace = ChainNamespace.EIP155
                 ), "personal_sign", requestParams = params, appState = "web3Auth"
             )
             signMsgCompletableFuture.whenComplete { signResult, error ->

core/src/main/java/com/web3auth/core/Web3Auth.kt

@@ -583,8 +583,7 @@ class Web3Auth(web3AuthOptions: Web3AuthOptions, context: Context) : WebViewResu
      * @return A CompletableFuture<Void> representing the asynchronous operation.
      */
     fun request(
-        chainId: String,
-        chainConfig: List<ChainsConfig>,
+        chainConfig: ChainsConfig,
         method: String,
         requestParams: JsonArray,
         path: String? = "wallet/request",
@@ -597,10 +596,11 @@ class Web3Auth(web3AuthOptions: Web3AuthOptions, context: Context) : WebViewResu
         if (sessionId.isNotBlank()) {
             val sdkUrl = Uri.parse(web3AuthOption.walletSdkUrl)
             val initOptions = JSONObject(gson.toJson(getInitOptions()))
+            val chainConfigList = arrayListOf(chainConfig)
             initOptions.put(
-                "chains", gson.toJson(chainConfig)
+                "chains", gson.toJson(chainConfigList)
             )
-            initOptions.put("chainId", chainId)
+            initOptions.put("chainId", chainConfig.chainId)
             val paramMap = JSONObject()
             paramMap.put(
                 "options", initOptions