add ss58 test

lib/providers/substrate_sdk.dart

@@ -510,7 +510,6 @@ class SubstrateSdk with ChangeNotifier {
       BuildContext context, String address, int number, String password) async {
     final keypair = getKeypair(address);
 
-    //TODO: fix null keypair after used chest import
     log.d('tatatata $address $number $password ${keypair.encoded}');
 
     final seedMap =

lib/screens/home.dart

@@ -40,6 +40,7 @@ class HomeScreen extends StatelessWidget {
     final bool isWalletsExists = myWalletProvider.checkIfWalletExist();
 
     // sub.csToV2('test', 'test');
+    // sub.getSs58Prefix();
 
     isTall = false;
     ratio = 1;