refacto: add methods to WalletData

lib/models/wallet_data.dart

@@ -61,6 +61,24 @@ class WalletData extends HiveObject {
     return "$chest:$number:$name:$derivation:$imageDefaultPath";
   }
 
+  bool hasIdentity() {
+    return identityStatus == IdtyStatus.created ||
+        identityStatus == IdtyStatus.confirmed ||
+        identityStatus == IdtyStatus.validated;
+  }
+
+  bool isMembre() {
+    return identityStatus == IdtyStatus.validated;
+  }
+
+  bool exist() {
+    return balance != 0;
+  }
+
+  bool hasCustomImage() {
+    return imageCustomPath != null;
+  }
+
   // returns only the id part of the ':'-separated string
   List<int?> id() {
     return [chest, number];

lib/providers/substrate_sdk.dart

@@ -311,15 +311,6 @@ class SubstrateSdk with ChangeNotifier {
     return totalAmount;
   }
 
-  Future<bool> isMember(String address) async {
-    final isMember = await idtyStatus(address) == IdtyStatus.validated;
-    final walletData = walletBox.get(address) ?? WalletData(address: address);
-    walletData.identityStatus = IdtyStatus.validated;
-    walletBox.put(address, walletData);
-    // notifyListeners();
-    return isMember;
-  }
-
   Future<bool> isSmithGet(String address) async {
     var idtyIndex = await _getIdentityIndexOf(address);
 
@@ -337,7 +328,9 @@ class SubstrateSdk with ChangeNotifier {
     Map<String, int> result = {};
     final toStatus = await idtyStatus(to);
 
-    if (from != to && await isMember(from)) {
+    final myWallets = MyWalletsProvider();
+
+    if (from != to && myWallets.getWalletDataByAddress(from)!.isMembre()) {
       final removableOn = await getCertValidityPeriod(from, to);
       final certMeta = await getCertMeta(from);
       final int nextIssuableOn = certMeta['nextIssuableOn'] ?? 0;

lib/screens/myWallets/wallet_options.dart

@@ -262,28 +262,16 @@ class WalletOptions extends StatelessWidget {
                                   walletOptions,
                                   currentChest),
                               SizedBox(height: 17 * ratio),
-                              // walletProvider.isMember(context, _walletOptions.address.text)
-                              FutureBuilder(
-                                  future:
-                                      sub.isMember(walletOptions.address.text),
-                                  builder: (BuildContext context,
-                                      AsyncSnapshot<bool> isMember) {
-                                    if (isMember.connectionState !=
-                                            ConnectionState.done ||
-                                        isMember.hasError) {
-                                      return const Text('');
-                                    }
-                                    return Column(children: [
-                                      if (!walletProvider.isDefaultWallet &&
-                                          !isMember.data!)
-                                        deleteWallet(context, walletProvider,
-                                            currentChest)
-                                      else
-                                        const SizedBox(),
-                                      if (isMember.data!)
-                                        const ManageMembershipButton()
-                                    ]);
-                                  }),
+                              Column(children: [
+                                if (!walletProvider.isDefaultWallet &&
+                                    !wallet.isMembre())
+                                  deleteWallet(
+                                      context, walletProvider, currentChest)
+                                else
+                                  const SizedBox(),
+                                if (wallet.isMembre())
+                                  const ManageMembershipButton()
+                              ])
                             ]);
                           }),
                         ]),