Cw 78 ethereum (#862)

* Add initial flow for ethereum

* Add initial create Eth wallet flow

* Complete Ethereum wallet creation flow

* Fix web3dart versioning issue

* Add primary receive address extracted from private key

* Implement open wallet functionality

* Implement restore wallet from seed functionality

* Fixate web3dart version as higher versions cause some issues

* Add Initial Transaction priorities for eth
Add estimated gas price

* Rename priority value to tip

* Re-order wallet types

* Change ethereum node
Fix connection issues

* Fix estimating gas for priority

* Add case for ethereum to fetch it's seeds

* Add case for ethereum to request node

* Fix Exchange screen initial pairs

* Add initial send transaction flow

* Add missing configure for ethereum class

* Add Eth address initial setup

* Fix Private key for Ethereum wallets

* Change sign/send transaction flow

* - Fix Conflicts with main
- Remove unused function from Haven configure.dart

* Add build command for ethereum package

* Add missing Node list file to pubspec

* - Fix balance display
- Fix parsing of Ethereum amount
- Add more Ethereum Nodes 

* - Fix extracting Ethereum Private key from seeds
- Integrate signing/sending transaction with the send view model

* - Update and Fix Conflicts with main

* Add Balances for ERC20 tokens

* Fix conflicts with main

* Add erc20 abi json

* Add send erc20 tokens initial function

* add missing getHeightByDate in Haven

* Allow contacts and wallets from the same tag

* Add Shiba Inu icon

* Add send ERC-20 tokens initial flow

* Add missing import in generated file

* Add initial approach for transaction sending for ERC-20 tokens

* Refactor signing/sending transactions

* Add initial flow for transactions subscription

* Refactor signing/sending transactions

* Add home settings icon

* Fix conflicts with main

* Initial flow for home settings

* Add logic flow for adding erc20 tokens

* Fix initial UI

* Finalize UI for Tokens

* Integrate UI with Ethereum flow

* Add "Enable/Disable" feature for ERC20 tokens

* Add initial Erc20 tokens

* Add Sorting and Pin Native Token features

* Fix price sorting

* Sort tokens list as well when Sort criteria changes

* - Improve sorting balances flow
- Add initial add token from search bar flow

* Fix Accounts Popup UI

* Fix Pin native token

* Fix Enabling/Disabling tokens
Fix sorting by fiat once app is opened
Improve token availability mechanism

* Fix deleting token
Fix renaming tokens

* Fix issue with search

* Add more tokens

* - Fix scroll issue
- Add ERC20 tokens placeholder image in picker

* - Separate and organize default erc20 tokens
- Fix scrolling
- Add token placeholder images in picker
- Sort disabled tokens alphabetically

* Change BNB token initial availability

* Fix Conflicts with main

* Fix Conflicts with main

* Add Verse ERC20 token to the initial tokens list

* Add rename wallet to Ethereum

* Integrate EtherScan API for fetching address transactions
Generate Ethereum specific secrets in Ethereum package

* Adjust transactions fiat price for ERC20 tokens

* Free Up GitHub Actions Ubuntu Runner Disk Space

* Free Up GitHub Actions Ubuntu Runner Disk space (trial 2)

* Fix Transaction Fee display

* Save transaction history

* Enhance loading time for erc20 tokens transactions

* Minor Fixes and Enhancements

* Fix sending erc20
fix block explorer issue

* Fix int overflow

* Fix transaction amount conversions

* Minor: `slow` -> `Slow` 

* Update build guide

* Fix fetching fiat rate taking a lot of time by only fetching enabled tokens only and making the API calls in parallel not sequential

* Update transactions on a periodic basis

* For fee, use ETH spot price, not ERC-20 spot price

* Add Etherscan History privacy option to enable/disable Etherscan API

* Show estimated fee amounts in the send screen

* fix send fiat fields parsing issue

* Fix transactions estimated fee less than actual fee

* handle balance sorting when balance is disabled
Handle empty transactions list

* Fix Delete Ethereum wallet
Fix balance < 0.01

* Fix Decimal place for Ethereum amount
Fix sending amount issue

* Change words count

* Remove balance hint and Full balance row from Ethereum wallets

* support changing the asset type in send templates

* Fix Templates for ERC tokens issues

* Fix conflicts in send templates

* Disable batch sending in Ethereum

* Fix Fee calculation with different priorities

* Fix Conflicts with main

* Add offline error to ignored exceptions

---------

Co-authored-by: Justin Ehrenhofer <justin.ehrenhofer@gmail.com>

lib/store/settings_store.dart

@@ -5,7 +5,9 @@ import 'package:cake_wallet/entities/cake_2fa_preset_options.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/pin_code_required_duration.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
+import 'package:cake_wallet/entities/sort_balance_types.dart';
 import 'package:cake_wallet/utils/device_info.dart';
+import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:cake_wallet/themes/theme_list.dart';
@@ -66,10 +68,14 @@ abstract class SettingsStoreBase with Store {
       required bool initialShouldRequireTOTP2FAForAddingContacts,
       required bool initialShouldRequireTOTP2FAForCreatingNewWallets,
       required bool initialShouldRequireTOTP2FAForAllSecurityAndBackupSettings,
+      required this.sortBalanceBy,
+      required this.pinNativeTokenAtTop,
+      required this.useEtherscan,
       TransactionPriority? initialBitcoinTransactionPriority,
       TransactionPriority? initialMoneroTransactionPriority,
       TransactionPriority? initialHavenTransactionPriority,
-      TransactionPriority? initialLitecoinTransactionPriority})
+      TransactionPriority? initialLitecoinTransactionPriority,
+      TransactionPriority? initialEthereumTransactionPriority})
       : nodes = ObservableMap<WalletType, Node>.of(nodes),
         _sharedPreferences = sharedPreferences,
         fiatCurrency = initialFiatCurrency,
@@ -120,6 +126,10 @@ abstract class SettingsStoreBase with Store {
       priority[WalletType.litecoin] = initialLitecoinTransactionPriority;
     }
 
+    if (initialEthereumTransactionPriority != null) {
+      priority[WalletType.ethereum] = initialEthereumTransactionPriority;
+    }
+
     reaction(
         (_) => fiatCurrency,
         (FiatCurrency fiatCurrency) => sharedPreferences.setString(
@@ -145,6 +155,9 @@ abstract class SettingsStoreBase with Store {
         case WalletType.haven:
           key = PreferencesKey.havenTransactionPriority;
           break;
+        case WalletType.ethereum:
+          key = PreferencesKey.ethereumTransactionPriority;
+          break;
         default:
           key = null;
       }
@@ -279,6 +292,21 @@ abstract class SettingsStoreBase with Store {
         (ExchangeApiMode mode) =>
             sharedPreferences.setInt(PreferencesKey.exchangeStatusKey, mode.serialize()));
 
+    reaction(
+        (_) => sortBalanceBy,
+        (SortBalanceBy sortBalanceBy) =>
+            _sharedPreferences.setInt(PreferencesKey.sortBalanceBy, sortBalanceBy.index));
+
+    reaction(
+        (_) => pinNativeTokenAtTop,
+        (bool pinNativeTokenAtTop) =>
+            _sharedPreferences.setBool(PreferencesKey.pinNativeTokenAtTop, pinNativeTokenAtTop));
+
+    reaction(
+        (_) => useEtherscan,
+        (bool useEtherscan) =>
+            _sharedPreferences.setBool(PreferencesKey.useEtherscan, useEtherscan));
+
     this.nodes.observe((change) {
       if (change.newValue != null && change.key != null) {
         _saveCurrentNode(change.newValue!, change.key!);
@@ -385,6 +413,15 @@ abstract class SettingsStoreBase with Store {
   @observable
   ObservableMap<WalletType, TransactionPriority> priority;
 
+  @observable
+  SortBalanceBy sortBalanceBy;
+
+  @observable
+  bool pinNativeTokenAtTop;
+
+  @observable
+  bool useEtherscan;
+
   String appVersion;
 
   String deviceName;
@@ -429,6 +466,7 @@ abstract class SettingsStoreBase with Store {
 
     TransactionPriority? havenTransactionPriority;
     TransactionPriority? litecoinTransactionPriority;
+    TransactionPriority? ethereumTransactionPriority;
 
     if (sharedPreferences.getInt(PreferencesKey.havenTransactionPriority) != null) {
       havenTransactionPriority = monero?.deserializeMoneroTransactionPriority(
@@ -438,11 +476,16 @@ abstract class SettingsStoreBase with Store {
       litecoinTransactionPriority = bitcoin?.deserializeLitecoinTransactionPriority(
           sharedPreferences.getInt(PreferencesKey.litecoinTransactionPriority)!);
     }
+    if (sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority) != null) {
+      ethereumTransactionPriority = bitcoin?.deserializeLitecoinTransactionPriority(
+          sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority)!);
+    }
 
     moneroTransactionPriority ??= monero?.getDefaultTransactionPriority();
     bitcoinTransactionPriority ??= bitcoin?.getMediumTransactionPriority();
     havenTransactionPriority ??= monero?.getDefaultTransactionPriority();
     litecoinTransactionPriority ??= bitcoin?.getLitecoinTransactionPriorityMedium();
+    ethereumTransactionPriority ??= ethereum?.getDefaultTransactionPriority();
 
     final currentBalanceDisplayMode = BalanceDisplayMode.deserialize(
         raw: sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey)!);
@@ -502,6 +545,12 @@ abstract class SettingsStoreBase with Store {
     final pinCodeTimeOutDuration = timeOutDuration != null
         ? PinCodeRequiredDuration.deserialize(raw: timeOutDuration)
         : defaultPinCodeTimeOutDuration;
+    final sortBalanceBy =
+        SortBalanceBy.values[sharedPreferences.getInt(PreferencesKey.sortBalanceBy) ?? 0];
+    final pinNativeTokenAtTop =
+        sharedPreferences.getBool(PreferencesKey.pinNativeTokenAtTop) ?? true;
+    final useEtherscan =
+        sharedPreferences.getBool(PreferencesKey.useEtherscan) ?? true;
 
     // If no value
     if (pinLength == null || pinLength == 0) {
@@ -516,10 +565,12 @@ abstract class SettingsStoreBase with Store {
     final litecoinElectrumServerId =
         sharedPreferences.getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
     final havenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
+    final ethereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
     final moneroNode = nodeSource.get(nodeId);
     final bitcoinElectrumServer = nodeSource.get(bitcoinElectrumServerId);
     final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
     final havenNode = nodeSource.get(havenNodeId);
+    final ethereumNode = nodeSource.get(ethereumNodeId);
     final packageInfo = await PackageInfo.fromPlatform();
     final deviceName = await _getDeviceName() ?? '';
     final shouldShowYatPopup = sharedPreferences.getBool(PreferencesKey.shouldShowYatPopup) ?? true;
@@ -542,6 +593,10 @@ abstract class SettingsStoreBase with Store {
       nodes[WalletType.haven] = havenNode;
     }
 
+    if (ethereumNode != null) {
+      nodes[WalletType.ethereum] = ethereumNode;
+    }
+
     return SettingsStore(
         sharedPreferences: sharedPreferences,
         initialShouldShowMarketPlaceInDashboard: shouldShowMarketPlaceInDashboard,
@@ -567,6 +622,9 @@ abstract class SettingsStoreBase with Store {
         initialPinLength: pinLength,
         pinTimeOutDuration: pinCodeTimeOutDuration,
         initialLanguageCode: savedLanguageCode,
+        sortBalanceBy: sortBalanceBy,
+        pinNativeTokenAtTop: pinNativeTokenAtTop,
+        useEtherscan: useEtherscan,
         initialMoneroTransactionPriority: moneroTransactionPriority,
         initialBitcoinTransactionPriority: bitcoinTransactionPriority,
         initialHavenTransactionPriority: havenTransactionPriority,
@@ -582,6 +640,7 @@ abstract class SettingsStoreBase with Store {
         initialShouldRequireTOTP2FAForCreatingNewWallets: shouldRequireTOTP2FAForCreatingNewWallets,
         initialShouldRequireTOTP2FAForAllSecurityAndBackupSettings:
             shouldRequireTOTP2FAForAllSecurityAndBackupSettings,
+        initialEthereumTransactionPriority: ethereumTransactionPriority,
         shouldShowYatPopup: shouldShowYatPopup);
   }
 
@@ -608,6 +667,11 @@ abstract class SettingsStoreBase with Store {
               sharedPreferences.getInt(PreferencesKey.litecoinTransactionPriority)!) ??
           priority[WalletType.litecoin]!;
     }
+    if (sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority) != null) {
+      priority[WalletType.ethereum] = ethereum?.deserializeEthereumTransactionPriority(
+              sharedPreferences.getInt(PreferencesKey.ethereumTransactionPriority)!) ??
+          priority[WalletType.ethereum]!;
+    }
 
     balanceDisplayMode = BalanceDisplayMode.deserialize(
         raw: sharedPreferences.getInt(PreferencesKey.currentBalanceDisplayModeKey)!);
@@ -616,7 +680,7 @@ abstract class SettingsStoreBase with Store {
             shouldSaveRecipientAddress;
     totpSecretKey = sharedPreferences.getString(PreferencesKey.totpSecretKey) ?? totpSecretKey;
     useTOTP2FA = sharedPreferences.getBool(PreferencesKey.useTOTP2FA) ?? useTOTP2FA;
-    
+
     numberOfFailedTokenTrials =
         sharedPreferences.getInt(PreferencesKey.failedTotpTokenTrials) ?? numberOfFailedTokenTrials;
     sharedPreferences.getBool(PreferencesKey.shouldSaveRecipientAddressKey) ??
@@ -677,6 +741,10 @@ abstract class SettingsStoreBase with Store {
     languageCode = sharedPreferences.getString(PreferencesKey.currentLanguageCode) ?? languageCode;
     shouldShowYatPopup =
         sharedPreferences.getBool(PreferencesKey.shouldShowYatPopup) ?? shouldShowYatPopup;
+    sortBalanceBy = SortBalanceBy
+        .values[sharedPreferences.getInt(PreferencesKey.sortBalanceBy) ?? sortBalanceBy.index];
+    pinNativeTokenAtTop = sharedPreferences.getBool(PreferencesKey.pinNativeTokenAtTop) ?? true;
+    useEtherscan = sharedPreferences.getBool(PreferencesKey.useEtherscan) ?? true;
 
     final nodeId = sharedPreferences.getInt(PreferencesKey.currentNodeIdKey);
     final bitcoinElectrumServerId =
@@ -684,10 +752,12 @@ abstract class SettingsStoreBase with Store {
     final litecoinElectrumServerId =
         sharedPreferences.getInt(PreferencesKey.currentLitecoinElectrumSererIdKey);
     final havenNodeId = sharedPreferences.getInt(PreferencesKey.currentHavenNodeIdKey);
+    final ethereumNodeId = sharedPreferences.getInt(PreferencesKey.currentEthereumNodeIdKey);
     final moneroNode = nodeSource.get(nodeId);
     final bitcoinElectrumServer = nodeSource.get(bitcoinElectrumServerId);
     final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
     final havenNode = nodeSource.get(havenNodeId);
+    final ethereumNode = nodeSource.get(ethereumNodeId);
 
     if (moneroNode != null) {
       nodes[WalletType.monero] = moneroNode;
@@ -704,6 +774,10 @@ abstract class SettingsStoreBase with Store {
     if (havenNode != null) {
       nodes[WalletType.haven] = havenNode;
     }
+
+    if (ethereumNode != null) {
+      nodes[WalletType.ethereum] = ethereumNode;
+    }
   }
 
   Future<void> _saveCurrentNode(Node node, WalletType walletType) async {
@@ -722,6 +796,9 @@ abstract class SettingsStoreBase with Store {
       case WalletType.haven:
         await _sharedPreferences.setInt(PreferencesKey.currentHavenNodeIdKey, node.key as int);
         break;
+      case WalletType.ethereum:
+        await _sharedPreferences.setInt(PreferencesKey.currentEthereumNodeIdKey, node.key as int);
+        break;
       default:
         break;
     }