CAKE-343 | added wallet_addresses.dart, monero_wallet_addresses.dart, electrum_wallet_addresses.dart, wallet_addresses_credentials.dart, monero_wallet_addresses_credentials.dart and electrum_wallet_addresses_credentials.dart to the app; applied ElectrumWalletAddresses to electrum_wallet.dart and MoneroWalletAddresses to monero_wallet.dart; fixed contact_list_view_model.dart, other view models and services

lib/bitcoin/bitcoin_wallet_service.dart

@@ -44,7 +44,6 @@ class BitcoinWalletService extends WalletService<
     final wallet = await BitcoinWalletBase.open(
         password: password, name: name, walletInfo: walletInfo);
     await wallet.init();
-    await wallet.updateAddressesInfo();
     return wallet;
   }
 

lib/bitcoin/electrum_wallet.dart

@@ -1,5 +1,7 @@
 import 'dart:async';
 import 'dart:convert';
+import 'package:cake_wallet/bitcoin/electrum_wallet_addresses.dart';
+import 'package:cake_wallet/bitcoin/electrum_wallet_addresses_credentials.dart';
 import 'package:mobx/mobx.dart';
 import 'package:rxdart/subjects.dart';
 import 'package:flutter/foundation.dart';
@@ -63,6 +65,8 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
         ElectrumTransactionHistory(walletInfo: walletInfo, password: password);
     _unspent = [];
     _scripthashesUpdateSubject = {};
+    _walletAddressInBox = ElectrumWalletAddresses(walletInfo);
+    _walletAddressInBoxCredentials = ElectrumWalletAddressesCredentials();
   }
 
   static int estimatedTransactionSize(int inputsCount, int outputsCounts) =>
@@ -93,6 +97,9 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
 
   String get xpub => hd.base58;
 
+  ElectrumWalletAddresses _walletAddressInBox;
+  ElectrumWalletAddressesCredentials _walletAddressInBoxCredentials;
+
   @override
   String get seed => mnemonic;
 
@@ -113,6 +120,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
     await generateAddresses();
     address = addresses[_accountIndex].address;
     await transactionHistory.init();
+    await _updateWalletAddressInBox();
   }
 
   @action
@@ -125,8 +133,6 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
 
     address = addresses[_accountIndex].address;
 
-    await updateAddressesInfo();
-
     await save();
   }
 
@@ -364,6 +370,7 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
     final path = await makePath();
     await write(path: path, password: _password, data: toJSON());
     await transactionHistory.save();
+    await _updateWalletAddressInBox();
   }
 
   bitcoin.ECPair keyPairFor({@required int index}) =>
@@ -466,4 +473,9 @@ abstract class ElectrumWalletBase extends WalletBase<ElectrumBalance,
     balance = await _fetchBalances();
     await save();
   }
+
+  Future<void> _updateWalletAddressInBox() async {
+    _walletAddressInBoxCredentials.address = address;
+    await _walletAddressInBox.update(_walletAddressInBoxCredentials);
+  }
 }

lib/bitcoin/electrum_wallet_addresses.dart

@@ -0,0 +1,32 @@
+import 'package:cake_wallet/bitcoin/electrum_wallet_addresses_credentials.dart';
+import 'package:cake_wallet/entities/wallet_addresses.dart';
+import 'package:cake_wallet/entities/wallet_addresses_credentials.dart';
+import 'package:cake_wallet/entities/wallet_info.dart';
+
+class ElectrumWalletAddresses extends WalletAddresses {
+  ElectrumWalletAddresses(WalletInfo walletInfo) : super(walletInfo);
+
+  @override
+  Future<void> update(WalletAddressesCredentials credentials) async {
+    try {
+      if (credentials == null) {
+        return;
+      }
+
+      final _credentials = credentials as ElectrumWalletAddressesCredentials;
+      final _address = _credentials.address;
+      final _label = '';
+
+      if (_address == null || _address.isEmpty) {
+        return;
+      }
+
+      addresses.clear();
+      addresses[_address] = _label;
+
+      await save();
+    } catch (e) {
+      print(e.toString());
+    }
+  }
+}

lib/bitcoin/electrum_wallet_addresses_credentials.dart

@@ -0,0 +1,7 @@
+import 'package:cake_wallet/entities/wallet_addresses_credentials.dart';
+
+class ElectrumWalletAddressesCredentials extends WalletAddressesCredentials {
+  ElectrumWalletAddressesCredentials();
+
+  String address;
+}

lib/bitcoin/litecoin_wallet_service.dart

@@ -45,7 +45,6 @@ class LitecoinWalletService extends WalletService<
     final wallet = await LitecoinWalletBase.open(
         password: password, name: name, walletInfo: walletInfo);
     await wallet.init();
-    await wallet.updateAddressesInfo();
     return wallet;
   }