v4.22.0 release candidate (#1879)

* update app versions

* change default solana node

* update unspents more frequently to avoid unupdated state

* temporary fix for polygon sending issue

* change tron default node

lib/entities/default_settings_migration.dart

@@ -1,13 +1,11 @@
 import 'dart:convert';
 import 'dart:io' show Directory, File, Platform;
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
-import 'package:cake_wallet/core/key_service.dart';
 import 'package:cake_wallet/core/secure_storage.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/fiat_api_mode.dart';
 import 'package:cake_wallet/entities/haven_seed_store.dart';
 import 'package:cake_wallet/haven/haven.dart';
-import 'package:cw_core/cake_hive.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cake_wallet/entities/secret_store_key.dart';
 import 'package:cw_core/root_dir.dart';
@@ -42,8 +40,8 @@ const polygonDefaultNodeUri = 'polygon-bor.publicnode.com';
 const cakeWalletBitcoinCashDefaultNodeUri = 'bitcoincash.stackwallet.com:50002';
 const nanoDefaultNodeUri = 'nano.nownodes.io';
 const nanoDefaultPowNodeUri = 'rpc.nano.to';
-const solanaDefaultNodeUri = 'rpc.ankr.com';
-const tronDefaultNodeUri = 'trx.nownodes.io';
+const solanaDefaultNodeUri = 'solana-rpc.publicnode.com:443';
+const tronDefaultNodeUri = 'api.trongrid.io';
 const newCakeWalletBitcoinUri = 'btc-electrum.cakewallet.com:50002';
 const wowneroDefaultNodeUri = 'node3.monerodevs.org:34568';
 const moneroWorldNodeUri = '.moneroworld.com';
@@ -311,6 +309,27 @@ Future<void> defaultSettingsMigration(
             type: WalletType.ethereum,
             useSSL: true,
           );
+          _changeDefaultNode(
+            nodes: nodes,
+            sharedPreferences: sharedPreferences,
+            type: WalletType.tron,
+            newDefaultUri: tronDefaultNodeUri,
+            currentNodePreferenceKey: PreferencesKey.currentTronNodeIdKey,
+            useSSL: true,
+            oldUri: [
+              'tron-rpc.publicnode.com:443',
+              'trx.nownodes.io',
+            ],
+          );
+          _changeDefaultNode(
+            nodes: nodes,
+            sharedPreferences: sharedPreferences,
+            type: WalletType.solana,
+            newDefaultUri: solanaDefaultNodeUri,
+            currentNodePreferenceKey: PreferencesKey.currentSolanaNodeIdKey,
+            useSSL: true,
+            oldUri: ['rpc.ankr.com'],
+          );
         default:
           break;
       }
@@ -332,6 +351,7 @@ Future<void> _backupHavenSeeds(Box<HavenSeedStore> havenSeedStore) async {
   }
   return;
 }
+
 /// generic function for changing any wallet default node
 /// instead of making a new function for each change
 Future<void> _changeDefaultNode({

lib/view_model/send/send_view_model.dart

@@ -26,7 +26,6 @@ import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/unspent_coin_type.dart';
 import 'package:cake_wallet/view_model/send/output.dart';
 import 'package:cake_wallet/view_model/send/send_template_view_model.dart';
-import 'package:cw_core/utils/print_verbose.dart';
 import 'package:cw_solana/solana_exceptions.dart';
 import 'package:flutter/material.dart';
 import 'package:hive/hive.dart';
@@ -100,6 +99,8 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
 
     outputs
         .add(Output(wallet, _settingsStore, _fiatConversationStore, () => selectedCryptoCurrency));
+
+    unspentCoinsListViewModel.initialSetup();
   }
 
   @observable