Add decred (#1938)

* decred: Add decred. (#1322)

* multi: Add initial decred screens. (#1165)

Use a mock libwallet for now.

* cw_decred: add libdcrwallet dependency and link library for android, ios and macos (#1240)

* change cw_decred from package to plugin

* add libdcrwallet dependency and link library for android, ios and macos

* remove spvwallet, make some libdcrwallet fns async, light refactor

* libdcrwallet: use json payload returns

* use specific libwallet commit hash

* decred: fix Rename wallet.

---------

Co-authored-by: JoeGruff <joegruffins@gmail.com>

* decred: Add sync.

* decred: Add send transaction.

* decred: Fix fee estimation.

* decred: List transactions.

* decred: Add rescan.

* decred: Sign message.

* decred: Add new addr and addrs.

* decred: Add change wallet pass.

* decred: Add restore from seed.

* decred: Add watching only wallets.

* decred: Enable mainnet.

* decred: Allow using blank node address.

This allows a persistent peer to be unset, falling back to decred
seeders.

* decred: Rescan from wallet birthday.

* add and update macos build scripts, update build readme, gitignore macos project.pbxproj

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

* multi: hide decred rescan page if it's not ready

-  move hasRescan method to WalletBase and implement for decred

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

* cw_decred: fix bug where decred wallets are not loaded after app restart

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

* add buy and sell for decred via onramp

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

* bug-fix: account for other send outputs that are part of the same tx

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

* decred: Return address with no peers.

* decred: Update pubspec.

* decred: Add verify message.

* upgrade hive_generator dep in cw_decred

* decred: Clean up code.

---------

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>
Co-authored-by: Wisdom Arerosuoghene <wisdom.arerosuoghene@gmail.com>
Co-authored-by: Philemon Ukane <ukanephilemon@gmail.com>

* fix extracted addresses not used
fix conflicts with main

* remove print [skip ci]

* minor formatting

* fix initial migration version

* add build decred script to workflow

* install go before build decred
fix switch cases

* trial 2 to fix decred build

* re-install go

* revert build script change

* refactor/clean nodes functions

* Fix address book issue
Fix send ALL (to be continued with the fees point)

* Fix transactions display issues
Add missing file

* Fix unconfirmed balance not displayed
Change Wallet order
Minor cleanup

* Fix workflow

* Fix workflow

* Fix workflow

* test

* hardcode path for now

* fix + cleanup decred build script to work on mac and linux

* Update decred build script

* Run actions on pull requests, extract commit message

* run after checkout

* add safe directory

* Get commit message from base.sha instead of last commit

* base -> head

* Do not merge main branch into pr

* [skip slack] [run tests] clone by sha

* Proper name for decred library in the build script

* Throw an error when ANDROID_HOME or ANDROID_NDK_VERSION is missing

* Fix conflicts with main

* minor code enhancement

* decred: Add used address history.  (#1941)

* decred: Update pubspec.

* decred testnet

* decred: Add used address history.

* decred: Remove default node list.

* populate transaction history before sync begins

* decred: Add some awaits.

* decred: Fix send all.

* decred: Add clang export to build script.

* decred: Update logo colors.

* cleanup cw_decred.dart

* make decred wallet addresses selectable in receive page

* decred: Always set default addr when used.

* decred: Add back default node list.

* decred: Allow creating addresses manually.

---------

Co-authored-by: Wisdom Arerosuoghene <wisdom.arerosuoghene@gmail.com>
Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>

* minor fixes and cleanup

* minor fix, feel free to test now

* - Fix transaction details
- Fix Nodes
- Add processing sync status

* Add decred info card

* push missing file

* Add missing text for decred info card

* minor: change docs link [skip ci]

* decred: Update derivation info. (#2013)

* decred: Update derivation info.

* decred: Allow unsynced unused addresses.

* decred: Update dcrwallet dep to 4.3.0.

* Merge main and fix conflicts

* Merge main and fix conflicts

* decred: Fix background sync panic. (#2080)

* decred: Run libwallet in isolate. (#2077)

* decred: Fix contact save inquiry. (#2083)

Also fix tx time and the fee shown on pending transactions.

* Disable send button in view only decred wallets

* - Fix frozen coins
- Add URI support
- Fix fees in tx details
- Handle empty coins send
- Handle wallets in address book

* Merge main

* remove print [skip ci]

* Fix restore from QR

* minor improvement for QR restore

* minor fixes [skip ci]

* decred: Get slip44 addrs before sync completes. (#2092)

* - Fix loading wallet more than one time
- Fix minor UI issue

---------

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>
Co-authored-by: JoeGruffins <34998433+JoeGruffins@users.noreply.github.com>
Co-authored-by: Wisdom Arerosuoghene <wisdom.arerosuoghene@gmail.com>
Co-authored-by: Philemon Ukane <ukanephilemon@gmail.com>
Co-authored-by: Czarek Nakamoto <cyjan@mrcyjanek.net>

lib/core/address_validator.dart

@@ -117,7 +117,7 @@ class AddressValidator extends TextValidator {
       case CryptoCurrency.zec:
         pattern = 't1[0-9a-zA-Z]{33}|t3[0-9a-zA-Z]{33}';
       case CryptoCurrency.dcr:
-        pattern = 'D[ksecS]([0-9a-zA-Z])+';
+        pattern = '(D|T|S)[ksecS]([0-9a-zA-Z])+';
       case CryptoCurrency.rvn:
         pattern = '[Rr]([1-9a-km-zA-HJ-NP-Z]){33}';
       case CryptoCurrency.near:

lib/core/node_address_validator.dart

@@ -17,3 +17,14 @@ class NodePathValidator extends TextValidator {
           isAutovalidate: true,
         );
 }
+
+// NodeAddressValidatorDecredBlankException allows decred to send a blank ip
+// address which effectively clears the current set persistant peer.
+class NodeAddressValidatorDecredBlankException extends TextValidator {
+  NodeAddressValidatorDecredBlankException()
+      : super(
+            errorMessage: S.current.error_text_node_address,
+            isAutovalidate: true,
+            pattern:
+                '^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\$|^[0-9a-zA-Z.\-]+\$');
+}

lib/core/seed_validator.dart

@@ -10,6 +10,7 @@ import 'package:cake_wallet/solana/solana.dart';
 import 'package:cake_wallet/tron/tron.dart';
 import 'package:cake_wallet/wownero/wownero.dart';
 import 'package:cake_wallet/zano/zano.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/utils/language_list.dart';
 import 'package:cw_core/wallet_type.dart';
 
@@ -50,6 +51,8 @@ class SeedValidator extends Validator<MnemonicItem> {
           return wownero!.getWowneroWordList(language);
       case WalletType.zano:
         return zano!.getWordList(language);
+      case WalletType.decred:
+        return decred!.getDecredWordList();
       case WalletType.none:
         return [];
     }

lib/core/sync_status_title.dart

@@ -63,5 +63,9 @@ String syncStatusTitle(SyncStatus syncStatus) {
     return S.current.sync_status_attempting_scan;
   }
 
+  if (syncStatus is ProcessingSyncStatus) {
+    return syncStatus.message ?? S.current.processing;
+  }
+
   return '';
 }

lib/core/wallet_creation_service.dart

@@ -90,6 +90,7 @@ class WalletCreationService {
       case WalletType.nano:
       case WalletType.banano:
       case WalletType.zano:
+      case WalletType.decred:
         return false;
     }
   }

lib/decred/cw_decred.dart

@@ -0,0 +1,114 @@
+part of 'decred.dart';
+
+class CWDecred extends Decred {
+  CWDecred() {}
+
+  @override
+  WalletCredentials createDecredNewWalletCredentials(
+          {required String name, WalletInfo? walletInfo}) =>
+      DecredNewWalletCredentials(name: name, walletInfo: walletInfo);
+
+  @override
+  WalletCredentials createDecredRestoreWalletFromSeedCredentials(
+          {required String name, required String mnemonic, required String password}) =>
+      DecredRestoreWalletFromSeedCredentials(name: name, mnemonic: mnemonic, password: password);
+
+  @override
+  WalletCredentials createDecredRestoreWalletFromPubkeyCredentials(
+          {required String name, required String pubkey, required String password}) =>
+      DecredRestoreWalletFromPubkeyCredentials(name: name, pubkey: pubkey, password: password);
+
+  @override
+  WalletService createDecredWalletService(
+      Box<WalletInfo> walletInfoSource, Box<UnspentCoinsInfo> unspentCoinSource) {
+    return DecredWalletService(walletInfoSource, unspentCoinSource);
+  }
+
+  @override
+  List<TransactionPriority> getTransactionPriorities() => DecredTransactionPriority.all;
+
+  @override
+  TransactionPriority getDecredTransactionPriorityMedium() => DecredTransactionPriority.medium;
+
+  @override
+  TransactionPriority getDecredTransactionPrioritySlow() => DecredTransactionPriority.slow;
+
+  @override
+  TransactionPriority deserializeDecredTransactionPriority(int raw) =>
+      DecredTransactionPriority.deserialize(raw: raw);
+
+  @override
+  Object createDecredTransactionCredentials(List<Output> outputs, TransactionPriority priority) =>
+      DecredTransactionCredentials(
+          outputs
+              .map((out) => OutputInfo(
+                  fiatAmount: out.fiatAmount,
+                  cryptoAmount: out.cryptoAmount,
+                  address: out.address,
+                  note: out.note,
+                  sendAll: out.sendAll,
+                  extractedAddress: out.extractedAddress,
+                  isParsedAddress: out.isParsedAddress,
+                  formattedCryptoAmount: out.formattedCryptoAmount))
+              .toList(),
+          priority: priority as DecredTransactionPriority);
+
+  List<AddressInfo> getAddressInfos(Object wallet) {
+    final decredWallet = wallet as DecredWallet;
+    return decredWallet.walletAddresses.getAddressInfos();
+  }
+
+  @override
+  Future<void> updateAddress(Object wallet, String address, String label) async {
+    final decredWallet = wallet as DecredWallet;
+    await decredWallet.walletAddresses.updateAddress(address, label);
+  }
+
+  @override
+  Future<void> generateNewAddress(Object wallet, String label) async {
+    final decredWallet = wallet as DecredWallet;
+    await decredWallet.walletAddresses.generateNewAddress(label);
+  }
+
+  @override
+  String formatterDecredAmountToString({required int amount}) =>
+      decredAmountToString(amount: amount);
+
+  @override
+  double formatterDecredAmountToDouble({required int amount}) =>
+      decredAmountToDouble(amount: amount);
+
+  @override
+  int formatterStringDoubleToDecredAmount(String amount) => stringDoubleToDecredAmount(amount);
+
+  @override
+  List<Unspent> getUnspents(Object wallet) {
+    final decredWallet = wallet as DecredWallet;
+    return decredWallet.unspents();
+  }
+
+  @override
+  void updateUnspents(Object wallet) {
+    final decredWallet = wallet as DecredWallet;
+    decredWallet.unspents();
+  }
+
+  @override
+  int heightByDate(DateTime date) {
+    final genesisBlocktime = DateTime.fromMillisecondsSinceEpoch(1454954400 * 1000);
+    final minutesDiff = date.difference(genesisBlocktime).inMinutes;
+    // Decred has five minute blocks on mainnet.
+    // NOTE: This is off by about a day but is currently unused by decred as we
+    // rescan from the wallet birthday.
+    return minutesDiff ~/ 5;
+  }
+
+  @override
+  List<String> getDecredWordList() => wordlist;
+
+  @override
+  String pubkey(Object wallet) {
+    final decredWallet = wallet as DecredWallet;
+    return decredWallet.pubkey;
+  }
+}

lib/di.dart

@@ -69,6 +69,7 @@ import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/nano/nano.dart';
 import 'package:cake_wallet/polygon/polygon.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/reactions/on_authentication_state_change.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/solana/solana.dart';
@@ -990,7 +991,8 @@ Future<void> setup({
       (Node? editingNode, bool? isSelected) => NodeCreateOrEditPage(
           nodeCreateOrEditViewModel: getIt.get<NodeCreateOrEditViewModel>(param2: false),
           editingNode: editingNode,
-          isSelected: isSelected));
+          isSelected: isSelected,
+          type: getIt.get<AppStore>().wallet!.type));
 
   getIt.registerFactoryParam<PowNodeCreateOrEditPage, Node?, bool?>(
       (Node? editingNode, bool? isSelected) => PowNodeCreateOrEditPage(
@@ -1115,6 +1117,8 @@ Future<void> setup({
         return wownero!.createWowneroWalletService(_walletInfoSource, _unspentCoinsInfoSource);
       case WalletType.zano:
         return zano!.createZanoWalletService(_walletInfoSource);
+      case WalletType.decred:
+        return decred!.createDecredWalletService(_walletInfoSource, _unspentCoinsInfoSource);
       case WalletType.none:
         throw Exception('Unexpected token: ${param1.toString()} for generating of WalletService');
     }

lib/entities/main_actions.dart

@@ -59,6 +59,7 @@ class MainActions {
   static MainActions sendAction = MainActions._(
     name: (context) => S.of(context).send,
     image: 'assets/images/upload.png',
+    isEnabled: (viewModel) => viewModel.canSend,
     onTap: (BuildContext context, DashboardViewModel viewModel) async {
       Navigator.pushNamed(context, Routes.send);
     },

lib/entities/node_list.dart

@@ -4,111 +4,62 @@ import "package:yaml/yaml.dart";
 import 'package:cw_core/node.dart';
 import 'package:cw_core/wallet_type.dart';
 
-Future<List<Node>> loadDefaultNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/node_list.yml');
+Future<List<Node>> loadDefaultNodes(WalletType type) async {
+  String path;
+  switch (type) {
+    case WalletType.monero:
+      path = 'assets/node_list.yml';
+      break;
+    case WalletType.bitcoin:
+      path = 'assets/bitcoin_electrum_server_list.yml';
+      break;
+    case WalletType.litecoin:
+      path = 'assets/litecoin_electrum_server_list.yml';
+      break;
+    case WalletType.haven:
+      path = 'assets/haven_node_list.yml';
+      break;
+    case WalletType.ethereum:
+      path = 'assets/ethereum_server_list.yml';
+      break;
+    case WalletType.nano:
+      path = 'assets/nano_node_list.yml';
+      break;
+    case WalletType.bitcoinCash:
+      path = 'assets/bitcoin_cash_electrum_server_list.yml';
+      break;
+    case WalletType.polygon:
+      path = 'assets/polygon_node_list.yml';
+      break;
+    case WalletType.solana:
+      path = 'assets/solana_node_list.yml';
+      break;
+    case WalletType.tron:
+      path = 'assets/tron_node_list.yml';
+      break;
+    case WalletType.wownero:
+      path = 'assets/wownero_node_list.yml';
+      break;
+    case WalletType.zano:
+      path = 'assets/zano_node_list.yml';
+      break;
+    case WalletType.decred:
+      path = 'assets/decred_node_list.yml';
+      break;
+    case WalletType.banano:
+    case WalletType.none:
+      path = '';
+      break;
+  }
+
+  final nodesRaw = await rootBundle.loadString(path);
   final loadedNodes = loadYaml(nodesRaw) as YamlList;
   final nodes = <Node>[];
 
   for (final raw in loadedNodes) {
     if (raw is Map) {
       final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.monero;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadBitcoinElectrumServerList() async {
-  final serverListRaw = await rootBundle.loadString('assets/bitcoin_electrum_server_list.yml');
-  final loadedServerList = loadYaml(serverListRaw) as YamlList;
-  final serverList = <Node>[];
-
-  for (final raw in loadedServerList) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.bitcoin;
-      serverList.add(node);
-    }
-  }
-
-  return serverList;
-}
-
-Future<List<Node>> loadLitecoinElectrumServerList() async {
-  final serverListRaw = await rootBundle.loadString('assets/litecoin_electrum_server_list.yml');
-  final loadedServerList = loadYaml(serverListRaw) as YamlList;
-  final serverList = <Node>[];
-
-  for (final raw in loadedServerList) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.litecoin;
-      serverList.add(node);
-    }
-  }
-
-  return serverList;
-}
-
-Future<List<Node>> loadDefaultHavenNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/haven_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.haven;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadDefaultEthereumNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/ethereum_server_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.ethereum;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadBitcoinCashElectrumServerList() async {
-  final serverListRaw = await rootBundle.loadString('assets/bitcoin_cash_electrum_server_list.yml');
-  final loadedServerList = loadYaml(serverListRaw) as YamlList;
-  final serverList = <Node>[];
-
-  for (final raw in loadedServerList) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.bitcoinCash;
-      serverList.add(node);
-    }
-  }
-
-  return serverList;
-}
-
-Future<List<Node>> loadDefaultNanoNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/nano_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-      node.type = WalletType.nano;
+      node.type = type;
       nodes.add(node);
     }
   }
@@ -132,103 +83,19 @@ Future<List<Node>> loadDefaultNanoPowNodes() async {
   return nodes;
 }
 
-Future<List<Node>> loadDefaultPolygonNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/polygon_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-
-      node.type = WalletType.polygon;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadDefaultSolanaNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/solana_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-
-      node.type = WalletType.solana;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadDefaultTronNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/tron_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-
-      node.type = WalletType.tron;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadDefaultWowneroNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/wownero_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-
-      node.type = WalletType.wownero;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
-Future<List<Node>> loadDefaultZanoNodes() async {
-  final nodesRaw = await rootBundle.loadString('assets/zano_node_list.yml');
-  final loadedNodes = loadYaml(nodesRaw) as YamlList;
-  final nodes = <Node>[];
-
-  for (final raw in loadedNodes) {
-    if (raw is Map) {
-      final node = Node.fromMap(Map<String, Object>.from(raw));
-
-      node.type = WalletType.zano;
-      nodes.add(node);
-    }
-  }
-
-  return nodes;
-}
-
 Future<void> resetToDefault(Box<Node> nodeSource) async {
-  final moneroNodes = await loadDefaultNodes();
-  final bitcoinElectrumServerList = await loadBitcoinElectrumServerList();
-  final litecoinElectrumServerList = await loadLitecoinElectrumServerList();
-  final bitcoinCashElectrumServerList = await loadBitcoinCashElectrumServerList();
-  final havenNodes = await loadDefaultHavenNodes();
-  final ethereumNodes = await loadDefaultEthereumNodes();
-  final nanoNodes = await loadDefaultNanoNodes();
-  final polygonNodes = await loadDefaultPolygonNodes();
-  final solanaNodes = await loadDefaultSolanaNodes();
-  final tronNodes = await loadDefaultTronNodes();
-  final zanoNodes = await loadDefaultZanoNodes();
+  final moneroNodes = await loadDefaultNodes(WalletType.monero);
+  final bitcoinElectrumServerList = await loadDefaultNodes(WalletType.bitcoin);
+  final litecoinElectrumServerList = await loadDefaultNodes(WalletType.litecoin);
+  final bitcoinCashElectrumServerList = await loadDefaultNodes(WalletType.bitcoinCash);
+  final havenNodes = await loadDefaultNodes(WalletType.haven);
+  final ethereumNodes = await loadDefaultNodes(WalletType.ethereum);
+  final nanoNodes = await loadDefaultNodes(WalletType.nano);
+  final polygonNodes = await loadDefaultNodes(WalletType.polygon);
+  final solanaNodes = await loadDefaultNodes(WalletType.solana);
+  final tronNodes = await loadDefaultNodes(WalletType.tron);
+  final decredNodes = await loadDefaultNodes(WalletType.decred);
+  final zanoNodes = await loadDefaultNodes(WalletType.zano);
 
   final nodes = moneroNodes +
       bitcoinElectrumServerList +
@@ -238,7 +105,10 @@ Future<void> resetToDefault(Box<Node> nodeSource) async {
       bitcoinCashElectrumServerList +
       nanoNodes +
       polygonNodes +
-      solanaNodes + tronNodes + zanoNodes;
+      solanaNodes +
+      tronNodes +
+      zanoNodes +
+      decredNodes;
 
   await nodeSource.clear();
   await nodeSource.addAll(nodes);

lib/entities/preferences_key.dart

@@ -10,6 +10,7 @@ class PreferencesKey {
   static const currentPolygonNodeIdKey = 'current_node_id_matic';
   static const currentNanoNodeIdKey = 'current_node_id_nano';
   static const currentNanoPowNodeIdKey = 'current_node_id_nano_pow';
+  static const currentDecredNodeIdKey = 'current_node_id_decred';
   static const currentBananoNodeIdKey = 'current_node_id_banano';
   static const currentBananoPowNodeIdKey = 'current_node_id_banano_pow';
   static const currentFiatCurrencyKey = 'current_fiat_currency';
@@ -48,6 +49,7 @@ class PreferencesKey {
   static const bitcoinCashTransactionPriority = 'current_fee_priority_bitcoin_cash';
   static const zanoTransactionPriority = 'current_fee_priority_zano';
   static const wowneroTransactionPriority = 'current_fee_priority_wownero';
+  static const decredTransactionPriority = 'current_fee_priority_decred';
   static const customBitcoinFeeRate = 'custom_electrum_fee_rate';
   static const silentPaymentsCardDisplay = 'silentPaymentsCardDisplay';
   static const silentPaymentsAlwaysScan = 'silentPaymentsAlwaysScan';
@@ -81,6 +83,7 @@ class PreferencesKey {
   static const lookupsENS = 'looks_up_ens';
   static const lookupsWellKnown = 'looks_up_well_known';
   static const showCameraConsent = 'show_camera_consent';
+  static const showDecredInfoCard = 'show_decred_info_card';
 
   static String moneroWalletUpdateV1Key(String name) =>
       '${PreferencesKey.moneroWalletPasswordUpdateV1Base}_${name}';

lib/entities/priority_for_wallet_type.dart

@@ -6,6 +6,7 @@ import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/wownero/wownero.dart';
 import 'package:cake_wallet/zano/zano.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/wallet_type.dart';
 
@@ -35,6 +36,8 @@ List<TransactionPriority> priorityForWalletType(WalletType type) {
       return [];
     case WalletType.zano:
       return zano!.getTransactionPriorities();
+    case WalletType.decred:
+      return decred!.getTransactionPriorities();
     default:
       return [];
   }

lib/entities/provider_types.dart

@@ -82,6 +82,7 @@ class ProvidersHelper {
           ProviderType.moonpay,
           ProviderType.kriptonim
         ];
+      case WalletType.decred:
       case WalletType.none:
       case WalletType.haven:
       case WalletType.zano:
@@ -113,6 +114,7 @@ class ProvidersHelper {
         ];
       case WalletType.monero:
         return [ProviderType.dfx];
+      case WalletType.decred:
       case WalletType.nano:
       case WalletType.banano:
       case WalletType.none:

lib/main.dart

@@ -215,7 +215,7 @@ Future<void> initializeAppConfigs() async {
     secureStorage: secureStorage,
     anonpayInvoiceInfo: anonpayInvoiceInfo,
     havenSeedStore: havenSeedStore,
-    initialMigrationVersion: 48,
+    initialMigrationVersion: 49,
   );
 }
 

lib/reactions/bip39_wallet_utils.dart

@@ -16,6 +16,7 @@ bool isBIP39Wallet(WalletType walletType) {
     case WalletType.wownero:
     case WalletType.haven:
     case WalletType.zano:
+    case WalletType.decred:
     case WalletType.none:
       return false;
   }

lib/reactions/check_connection.dart

@@ -18,6 +18,9 @@ void startCheckConnectionReaction(WalletBase wallet, SettingsStore settingsStore
     if (wallet.type == WalletType.bitcoin && wallet.syncStatus is SyncingSyncStatus) {
       return;
     }
+    if (wallet.type == WalletType.decred && wallet.syncStatus is ProcessingSyncStatus) {
+      return;
+    }
 
     try {
       final connectivityResult = await (Connectivity().checkConnectivity());

lib/reactions/fiat_rate_update.dart

@@ -10,7 +10,6 @@ import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/tron/tron.dart';
 import 'package:cw_core/crypto_currency.dart';
-import 'package:cw_core/erc20_token.dart';
 import 'package:cw_core/utils/print_verbose.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:mobx/mobx.dart';

lib/reactions/on_current_wallet_change.dart

@@ -74,7 +74,8 @@ void startCurrentWalletChangeReaction(
           wallet.type == WalletType.wownero ||
           wallet.type == WalletType.bitcoin ||
           wallet.type == WalletType.litecoin ||
-          wallet.type == WalletType.bitcoinCash) {
+          wallet.type == WalletType.bitcoinCash ||
+          wallet.type == WalletType.decred) {
         _setAutoGenerateSubaddressStatus(wallet, settingsStore);
       }
 

lib/reactions/on_wallet_sync_status_change.dart

@@ -25,7 +25,7 @@ void startWalletSyncStatusChangeReaction(
           await updateHavenRate(fiatConversionStore);
         }
       }
-      if (status is SyncingSyncStatus) {
+      if (status is SyncingSyncStatus || status is ProcessingSyncStatus) {
         await WakelockPlus.enable();
       }
       if (status is SyncedSyncStatus || status is FailedSyncStatus) {

lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart

@@ -47,6 +47,7 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
   final tronIcon = Image.asset('assets/images/trx_icon.png', height: 24, width: 24);
   final wowneroIcon = Image.asset('assets/images/wownero_icon.png', height: 24, width: 24);
   final zanoIcon = Image.asset('assets/images/zano_icon.png', height: 24, width: 24);
+  final decredIcon = Image.asset('assets/images/decred_icon.png', height: 24, width: 24);
   final nonWalletTypeIcon = Image.asset('assets/images/close.png', height: 24, width: 24);
 
   Image _newWalletImage(BuildContext context) => Image.asset(
@@ -181,6 +182,8 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         return tronIcon;
       case WalletType.zano:
         return zanoIcon;
+      case WalletType.decred:
+        return decredIcon;
       default:
         return nonWalletTypeIcon;
     }

lib/src/screens/dashboard/pages/balance/crypto_balance_widget.dart

@@ -3,6 +3,7 @@ import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/routes.dart';
 import 'package:cake_wallet/src/screens/dashboard/pages/balance/balance_row_widget.dart';
 import 'package:cake_wallet/src/screens/dashboard/widgets/home_screen_account_widget.dart';
+import 'package:cake_wallet/src/screens/dashboard/widgets/info_card.dart';
 import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/src/widgets/dashboard_card_widget.dart';
@@ -280,81 +281,50 @@ class CryptoBalanceWidget extends StatelessWidget {
                   SizedBox(height: 16),
                   Padding(
                     padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
-                    child: DashBoardRoundedCardWidget(
-                      marginV: 0,
-                      marginH: 0,
-                      customBorder: 30,
+                    child: InfoCard(
                       title: S.of(context).litecoin_mweb,
-                      subTitle: S.of(context).litecoin_mweb_description,
-                      hint: Column(
-                        crossAxisAlignment: CrossAxisAlignment.start,
-                        children: [
-                          GestureDetector(
-                            behavior: HitTestBehavior.opaque,
-                            onTap: () => launchUrl(
-                              Uri.parse("https://docs.cakewallet.com/cryptos/litecoin/#mweb"),
-                              mode: LaunchMode.externalApplication,
-                            ),
-                            child: Text(
-                              S.of(context).learn_more,
-                              style: TextStyle(
-                                fontSize: 12,
-                                fontFamily: 'Lato',
-                                fontWeight: FontWeight.w400,
-                                color:
-                                    Theme.of(context).extension<BalancePageTheme>()!.labelTextColor,
-                                height: 1,
-                              ),
-                              softWrap: true,
-                            ),
-                          ),
-                          SizedBox(height: 8),
-                          Row(
-                            children: [
-                              Expanded(
-                                child: ElevatedButton(
-                                  onPressed: () => _dismissMweb(context),
-                                  style: ElevatedButton.styleFrom(
-                                    backgroundColor: Theme.of(context).primaryColor,
-                                  ),
-                                  child: Text(
-                                    S.of(context).litecoin_mweb_dismiss,
-                                    style: TextStyle(color: Colors.white),
-                                  ),
-                                ),
-                              ),
-                              const SizedBox(width: 8),
-                              Expanded(
-                                child: ElevatedButton(
-                                  onPressed: () => _enableMweb(context),
-                                  style: ElevatedButton.styleFrom(
-                                    backgroundColor: Colors.white,
-                                    foregroundColor: Colors.black,
-                                  ),
-                                  child: Text(
-                                    S.of(context).enable,
-                                    maxLines: 1,
-                                  ),
-                                ),
-                              ),
-                            ],
-                          ),
-                        ],
-                      ),
-                      icon: Container(
-                        decoration: BoxDecoration(
-                          color: Colors.white,
-                          shape: BoxShape.circle,
+                      description: S.of(context).litecoin_mweb_description,
+                      leftButtonTitle: S.of(context).litecoin_mweb_dismiss,
+                      rightButtonTitle: S.of(context).enable,
+                      image: 'assets/images/mweb_logo.png',
+                      leftButtonAction: () => _dismissMweb(context),
+                      rightButtonAction: () => _enableMweb(context),
+                      hintWidget: GestureDetector(
+                        behavior: HitTestBehavior.opaque,
+                        onTap: () => launchUrl(
+                          Uri.parse("https://docs.cakewallet.com/cryptos/litecoin/#mweb"),
+                          mode: LaunchMode.externalApplication,
                         ),
-                        child: ImageIcon(
-                          AssetImage('assets/images/mweb_logo.png'),
-                          color: Color.fromARGB(255, 11, 70, 129),
-                          size: 40,
+                        child: Text(
+                          S.of(context).learn_more,
+                          style: TextStyle(
+                            fontSize: 12,
+                            fontFamily: 'Lato',
+                            fontWeight: FontWeight.w400,
+                            color: Theme.of(context).extension<BalancePageTheme>()!.labelTextColor,
+                            height: 1,
+                          ),
+                          softWrap: true,
                         ),
                       ),
                     ),
                   ),
                 ],
+                if (dashboardViewModel.showDecredInfoCard) ...[
+                  SizedBox(height: 10),
+                  Padding(
+                    padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
+                    child: InfoCard(
+                      title: S.of(context).decred_info_title,
+                      description: S.of(context).decred_info_card_details,
+                      image: 'assets/images/dcr_icon.png',
+                      leftButtonTitle: S.of(context).litecoin_mweb_dismiss,
+                      rightButtonTitle: S.of(context).learn_more,
+                      leftButtonAction: () => dashboardViewModel.dismissDecredInfoCard(),
+                      rightButtonAction: () => launchUrl(Uri.parse("https://docs.cakewallet.com/cryptos/decred/#spv-sync")),
+                    ),
+                  ),
+                ],
               ],
             );
           }),

lib/src/screens/dashboard/pages/navigation_dock.dart

@@ -75,8 +75,10 @@ class NavigationDock extends StatelessWidget {
                                                 .labelTextColor,
                                       ),
                                       title: action.name(context),
-                                      onClick: () async =>
-                                          await action.onTap(context, dashboardViewModel),
+                                      onClick: (action.isEnabled?.call(dashboardViewModel) ?? true)
+                                          ? () async =>
+                                              await action.onTap(context, dashboardViewModel)
+                                          : null,
                                       textColor: action.isEnabled?.call(dashboardViewModel) ?? true
                                           ? null
                                           : Theme.of(context)

lib/src/screens/dashboard/widgets/info_card.dart

@@ -0,0 +1,88 @@
+import 'package:cake_wallet/src/widgets/cake_image_widget.dart';
+import 'package:cake_wallet/src/widgets/dashboard_card_widget.dart';
+import 'package:flutter/material.dart';
+
+class InfoCard extends StatelessWidget {
+  final String leftButtonTitle;
+  final String rightButtonTitle;
+  final String title;
+  final String description;
+  final String image;
+
+  final Function() leftButtonAction;
+  final Function() rightButtonAction;
+
+  final Widget? hintWidget;
+
+  const InfoCard({
+    Key? key,
+    required this.title,
+    required this.description,
+    required this.leftButtonTitle,
+    required this.rightButtonTitle,
+    required this.leftButtonAction,
+    required this.rightButtonAction,
+    required this.image,
+    this.hintWidget,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return DashBoardRoundedCardWidget(
+      marginH: 0,
+      marginV: 0,
+      customBorder: 30,
+      title: title,
+      subTitle: description,
+      hint: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          if (hintWidget != null) hintWidget!,
+          if (hintWidget != null) SizedBox(height: 8),
+          Row(
+            children: [
+              Expanded(
+                child: ElevatedButton(
+                  onPressed: leftButtonAction,
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: Theme.of(context).primaryColor,
+                  ),
+                  child: Text(
+                    leftButtonTitle,
+                    style: TextStyle(color: Colors.white),
+                  ),
+                ),
+              ),
+              const SizedBox(width: 8),
+              Expanded(
+                child: ElevatedButton(
+                  onPressed: rightButtonAction,
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: Colors.white,
+                    foregroundColor: Colors.black,
+                  ),
+                  child: Text(
+                    rightButtonTitle,
+                    maxLines: 1,
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+      onTap: () => {},
+      icon: Container(
+        decoration: BoxDecoration(
+          color: Colors.white,
+          shape: BoxShape.circle,
+        ),
+        child: CakeImageWidget(
+          imageUrl: image,
+          height: 40,
+          width: 40,
+        ),
+      ),
+    );
+  }
+}

lib/src/screens/dashboard/widgets/menu_widget.dart

@@ -38,7 +38,8 @@ class MenuWidgetState extends State<MenuWidget> {
         this.solanaIcon = Image.asset('assets/images/sol_icon.png'),
         this.tronIcon = Image.asset('assets/images/trx_icon.png'),
         this.wowneroIcon = Image.asset('assets/images/wownero_icon.png'),
-        this.zanoIcon = Image.asset('assets/images/zano_icon.png');
+        this.zanoIcon = Image.asset('assets/images/zano_icon.png'),
+        this.decredIcon = Image.asset('assets/images/decred_menu.png');
 
   final largeScreen = 731;
 
@@ -64,6 +65,7 @@ class MenuWidgetState extends State<MenuWidget> {
   Image tronIcon;
   Image wowneroIcon;
   Image zanoIcon;
+  Image decredIcon;
 
   @override
   void initState() {
@@ -250,6 +252,8 @@ class MenuWidgetState extends State<MenuWidget> {
         return wowneroIcon;
       case WalletType.zano:
         return zanoIcon;
+      case WalletType.decred:
+        return decredIcon;
       default:
         throw Exception('No icon for ${type.toString()}');
     }

lib/src/screens/dashboard/widgets/sync_indicator.dart

@@ -22,8 +22,8 @@ class SyncIndicator extends StatelessWidget {
       builder: (_) {
         final syncIndicatorWidth = 237.0;
         final status = dashboardViewModel.status;
-        final statusText = status != null ? syncStatusTitle(status) : '';
-        final progress = status != null ? status.progress() : 0.0;
+        final statusText = syncStatusTitle(status);
+        final progress = status.progress();
         final indicatorOffset = progress * syncIndicatorWidth;
         final indicatorWidth = progress < 1
             ? indicatorOffset > 0 ? indicatorOffset : 0.0

lib/src/screens/new_wallet/advanced_privacy_settings_page.dart

@@ -274,7 +274,8 @@ class _AdvancedPrivacySettingsBodyState extends State<_AdvancedPrivacySettingsBo
                 ],
               );
             }),
-            if (widget.privacySettingsViewModel.type == WalletType.bitcoin)
+            if (widget.privacySettingsViewModel.type == WalletType.bitcoin ||
+                widget.privacySettingsViewModel.type == WalletType.decred)
               Builder(builder: (_) {
                 final val = testnetValue ?? false;
                 return SettingsSwitcherCell(
@@ -301,7 +302,9 @@ class _AdvancedPrivacySettingsBodyState extends State<_AdvancedPrivacySettingsBo
 
                   widget.nodeViewModel.save();
                 }
-                if (testnetValue == true) {
+                if (testnetValue == true &&
+                    widget.privacySettingsViewModel.type ==
+                        WalletType.bitcoin) {
                   // TODO: add type (mainnet/testnet) to Node class so when switching wallets the node can be switched to a matching type
                   // Currently this is so you can create a working testnet wallet but you need to keep switching back the node if you use multiple wallets at once
                   widget.nodeViewModel.address = publicBitcoinTestnetElectrumAddress;

lib/src/screens/nodes/node_create_or_edit_page.dart

@@ -5,6 +5,7 @@ import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cw_core/node.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:mobx/mobx.dart';
@@ -15,7 +16,7 @@ import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
 import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
 
 class NodeCreateOrEditPage extends BasePage {
-  NodeCreateOrEditPage({required this.nodeCreateOrEditViewModel,this.editingNode, this.isSelected})
+  NodeCreateOrEditPage({required this.nodeCreateOrEditViewModel,this.editingNode, this.isSelected, this.type})
       : _formKey = GlobalKey<FormState>(),
         _addressController = TextEditingController(),
         _pathController = TextEditingController(),
@@ -86,6 +87,7 @@ class NodeCreateOrEditPage extends BasePage {
   final NodeCreateOrEditViewModel nodeCreateOrEditViewModel;
   final Node? editingNode;
   final bool? isSelected;
+  final WalletType? type;
 
   @override
   Widget body(BuildContext context) {
@@ -130,6 +132,7 @@ class NodeCreateOrEditPage extends BasePage {
             formKey: _formKey,
             nodeViewModel: nodeCreateOrEditViewModel,
             editingNode: editingNode,
+            type: type,
           ),
           bottomSectionPadding: EdgeInsets.only(bottom: 24),
           bottomSection: Observer(

lib/src/screens/nodes/widgets/node_form.dart

@@ -5,6 +5,7 @@ import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
 import 'package:cake_wallet/src/widgets/standard_checkbox.dart';
 import 'package:cake_wallet/view_model/node_list/node_create_or_edit_view_model.dart';
 import 'package:cw_core/node.dart';
+import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:cake_wallet/generated/i18n.dart';
@@ -15,6 +16,7 @@ class NodeForm extends StatelessWidget {
     required this.nodeViewModel,
     required this.formKey,
     this.editingNode,
+    this.type,
   })  : _addressController = TextEditingController(text: editingNode?.uri.host.toString()),
         _pathController = TextEditingController(text: editingNode?.path.toString()),
         _portController = TextEditingController(text: editingNode?.uri.port.toString()),
@@ -76,6 +78,7 @@ class NodeForm extends StatelessWidget {
   final NodeCreateOrEditViewModel nodeViewModel;
   final GlobalKey<FormState> formKey;
   final Node? editingNode;
+  final WalletType? type;
 
   final TextEditingController _addressController;
   final TextEditingController _pathController;
@@ -96,7 +99,7 @@ class NodeForm extends StatelessWidget {
                 child: BaseTextFormField(
                   controller: _addressController,
                   hintText: S.of(context).node_address,
-                  validator: NodeAddressValidator(),
+                  validator: type == WalletType.decred ? NodeAddressValidatorDecredBlankException() : NodeAddressValidator(),
                 ),
               )
             ],

lib/src/screens/rescan/rescan_page.dart

@@ -9,41 +9,47 @@ import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/blockchain_height_widget.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/generated/i18n.dart';
+import 'package:cw_core/wallet_type.dart';
 
 class RescanPage extends BasePage {
   RescanPage(this._rescanViewModel)
       : _blockchainHeightWidgetKey = GlobalKey<BlockchainHeightState>();
 
   @override
-  String get title =>
-      _rescanViewModel.isSilentPaymentsScan ? S.current.silent_payments_scanning : S.current.rescan;
+  String get title => _rescanViewModel.isSilentPaymentsScan
+      ? S.current.silent_payments_scanning
+      : S.current.rescan;
   final GlobalKey<BlockchainHeightState> _blockchainHeightWidgetKey;
   final RescanViewModel _rescanViewModel;
 
   @override
   Widget body(BuildContext context) {
-    return GestureDetector(
-      behavior: HitTestBehavior.opaque,
-      onTap: () => FocusScope.of(context).unfocus(),
-      child: Padding(
+    Widget child;
+    if (_rescanViewModel.wallet.type != WalletType.decred) {
+      child = Padding(
         padding: EdgeInsets.only(left: 24, right: 24, bottom: 24),
-        child: Column(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
+        child:
+            Column(mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [
           Observer(
               builder: (_) => BlockchainHeightWidget(
                     key: _blockchainHeightWidgetKey,
-                    onHeightOrDateEntered: (value) => _rescanViewModel.isButtonEnabled = value,
+                    onHeightOrDateEntered: (value) =>
+                        _rescanViewModel.isButtonEnabled = value,
                     isSilentPaymentsScan: _rescanViewModel.isSilentPaymentsScan,
                     isMwebScan: _rescanViewModel.isMwebScan,
                     doSingleScan: _rescanViewModel.doSingleScan,
-                    hasDatePicker: !_rescanViewModel.isMwebScan,// disable date picker for mweb for now
-                    toggleSingleScan: () =>
-                        _rescanViewModel.doSingleScan = !_rescanViewModel.doSingleScan,
+                    hasDatePicker: !_rescanViewModel
+                        .isMwebScan, // disable date picker for mweb for now
+                    toggleSingleScan: () => _rescanViewModel.doSingleScan =
+                        !_rescanViewModel.doSingleScan,
                     walletType: _rescanViewModel.wallet.type,
-                    bitcoinMempoolAPIEnabled: _rescanViewModel.isBitcoinMempoolAPIEnabled,
+                    bitcoinMempoolAPIEnabled:
+                        _rescanViewModel.isBitcoinMempoolAPIEnabled,
                   )),
           Observer(
               builder: (_) => LoadingPrimaryButton(
-                    isLoading: _rescanViewModel.state == RescanWalletState.rescaning,
+                    isLoading:
+                        _rescanViewModel.state == RescanWalletState.rescaning,
                     text: S.of(context).rescan,
                     onPressed: () async {
                       if (_rescanViewModel.isSilentPaymentsScan) {
@@ -51,7 +57,8 @@ class RescanPage extends BasePage {
                       }
 
                       _rescanViewModel.rescanCurrentWallet(
-                          restoreHeight: _blockchainHeightWidgetKey.currentState!.height);
+                          restoreHeight:
+                              _blockchainHeightWidgetKey.currentState!.height);
 
                       Navigator.of(context).pop();
                     },
@@ -60,7 +67,35 @@ class RescanPage extends BasePage {
                     isDisabled: !_rescanViewModel.isButtonEnabled,
                   ))
         ]),
-      ),
+      );
+    } else {
+      child = Center(
+          child: Padding(
+        padding: EdgeInsets.only(left: 24, right: 24, bottom: 24),
+        child: Column(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Spacer(),
+              Observer(
+                  builder: (_) => LoadingPrimaryButton(
+                        isLoading: _rescanViewModel.state ==
+                            RescanWalletState.rescaning,
+                        text: S.of(context).rescan,
+                        onPressed: () async {
+                          await _rescanViewModel.rescanCurrentWallet(
+                              restoreHeight: 0);
+                          Navigator.of(context).pop();
+                        },
+                        color: Theme.of(context).primaryColor,
+                        textColor: Colors.white,
+                      ))
+            ]),
+      ));
+    }
+    return GestureDetector(
+      behavior: HitTestBehavior.opaque,
+      onTap: () => FocusScope.of(context).unfocus(),
+      child: child,
     );
   }
 
@@ -70,14 +105,16 @@ class RescanPage extends BasePage {
     Navigator.of(context).pop();
 
     final needsToSwitch =
-        await bitcoin!.getNodeIsElectrsSPEnabled(_rescanViewModel.wallet) == false;
+        await bitcoin!.getNodeIsElectrsSPEnabled(_rescanViewModel.wallet) ==
+            false;
 
     if (needsToSwitch) {
       return showPopUp<void>(
           context: navigatorKey.currentState!.context,
           builder: (BuildContext _dialogContext) => AlertWithTwoActions(
                 alertTitle: S.of(_dialogContext).change_current_node_title,
-                alertContent: S.of(_dialogContext).confirm_silent_payments_switch_node,
+                alertContent:
+                    S.of(_dialogContext).confirm_silent_payments_switch_node,
                 rightButtonText: S.of(_dialogContext).confirm,
                 leftButtonText: S.of(_dialogContext).cancel,
                 actionRightButton: () async {

lib/src/screens/restore/wallet_restore_from_keys_form.dart

@@ -15,6 +15,7 @@ class WalletRestoreFromKeysForm extends StatefulWidget {
   WalletRestoreFromKeysForm({
     required this.walletRestoreViewModel,
     required this.onPrivateKeyChange,
+    required this.onViewKeyEntered,
     required this.displayPrivateKeyField,
     required this.onHeightOrDateEntered,
     required this.displayWalletPassword,
@@ -27,6 +28,7 @@ class WalletRestoreFromKeysForm extends StatefulWidget {
   final Function(bool) onHeightOrDateEntered;
   final WalletRestoreViewModel walletRestoreViewModel;
   final void Function(String)? onPrivateKeyChange;
+  final void Function(bool)? onViewKeyEntered;
   final bool displayPrivateKeyField;
   final bool displayWalletPassword;
   final RestoredWallet? restoredWallet;
@@ -97,6 +99,10 @@ class WalletRestoreFromKeysFormState extends State<WalletRestoreFromKeysForm> {
         blockchainHeightKey.currentState?.restoreHeightController.text = widget.restoredWallet!.height.toString();
       }
     });
+
+    viewKeyController.addListener(() {
+      widget.onViewKeyEntered?.call(viewKeyController.text.isNotEmpty);
+    });
   }
 
   @override
@@ -187,6 +193,19 @@ class WalletRestoreFromKeysFormState extends State<WalletRestoreFromKeysForm> {
   }
 
   Widget _restoreFromKeysFormFields() {
+    // Decred can only restore a view only wallet with an account pubkey. Other
+    // fields are not used.
+    if (widget.walletRestoreViewModel.type == WalletType.decred) {
+      return Column(
+        children: [
+          BaseTextFormField(
+            controller: viewKeyController,
+            hintText: S.of(context).view_key_public,
+            maxLines: null,
+        )],
+      );
+    }
+
     if (widget.displayPrivateKeyField) {
       // the term "private key" isn't actually what we're accepting here, and it's confusing to
       // users of the nano community, what this form actually accepts (when importing for nano) is a nano seed in it's hex form, referred to in code as a "seed key"

lib/src/screens/restore/wallet_restore_page.dart

@@ -168,14 +168,16 @@ class WalletRestorePage extends BasePage {
         credentials['name'] =
             walletRestoreFromKeysFormKey.currentState!.nameTextEditingController.text;
       } else {
-        credentials['address'] = walletRestoreFromKeysFormKey.currentState!.addressController.text;
-        credentials['viewKey'] = walletRestoreFromKeysFormKey.currentState!.viewKeyController.text;
-        credentials['spendKey'] =
-            walletRestoreFromKeysFormKey.currentState!.spendKeyController.text;
-        credentials['height'] =
-            walletRestoreFromKeysFormKey.currentState!.blockchainHeightKey.currentState!.height;
         credentials['name'] =
             walletRestoreFromKeysFormKey.currentState!.nameTextEditingController.text;
+        credentials['viewKey'] = walletRestoreFromKeysFormKey.currentState!.viewKeyController.text;
+        if (walletRestoreViewModel.type != WalletType.decred) {
+          credentials['address'] = walletRestoreFromKeysFormKey.currentState!.addressController.text;
+          credentials['spendKey'] =
+             walletRestoreFromKeysFormKey.currentState!.spendKeyController.text;
+          credentials['height'] =
+              walletRestoreFromKeysFormKey.currentState!.blockchainHeightKey.currentState!.height;
+        }
       }
     }
 
@@ -467,6 +469,11 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
           widget.walletRestoreViewModel.isButtonEnabled = _isValidSeedKey();
         }
       },
+      onViewKeyEntered: (bool entered) {
+        if (walletRestoreViewModel.type == WalletType.decred) {
+          walletRestoreViewModel.isButtonEnabled = entered;
+        }
+      },
       onPasswordChange: (String password) =>
           widget.walletRestoreViewModel.walletPassword = password,
       onRepeatedPasswordChange: (String repeatedPassword) =>
@@ -538,13 +545,19 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
 
     // bip39:
     final validBip39SeedLengths = [12, 18, 24];
-    final nonBip39WalletTypes = [WalletType.monero, WalletType.wownero, WalletType.haven];
+    final nonBip39WalletTypes = [WalletType.monero, WalletType.wownero, WalletType.haven, WalletType.decred];
     // if it's a bip39 wallet and the length is not valid return false
     if (!nonBip39WalletTypes.contains(walletRestoreViewModel.type) &&
         !(validBip39SeedLengths.contains(seedWords.length))) {
       return false;
     }
 
+    if ((walletRestoreViewModel.type == WalletType.decred) &&
+        seedWords.length !=
+            WalletRestoreViewModelBase.decredSeedMnemonicLength) {
+      return false;
+    }
+
     final words =
         walletRestoreFromSeedFormKey.currentState!.seedWidgetStateKey.currentState!.words.toSet();
     return seedWords.toSet().difference(words).toSet().isEmpty;

lib/src/screens/wallet_keys/wallet_keys_page.dart

@@ -72,6 +72,10 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
   late bool showLegacySeedTab;
   late bool isLegacySeedOnly;
 
+  bool get _hasSeeds =>
+      widget.walletKeysViewModel.legacySeedSplit.length > 10 ||
+      widget.walletKeysViewModel.seedSplit.length > 10;
+
   @override
   void initState() {
     super.initState();
@@ -160,11 +164,10 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
   Widget _buildSeedTab(BuildContext context, bool isLegacySeed) {
     return Column(
       children: [
-        if (isLegacySeedOnly || isLegacySeed) 
-          ...[
-            _buildHeightBox(),
-            const SizedBox(height: 20),
-          ],
+        if (isLegacySeedOnly || isLegacySeed) ...[
+          _buildHeightBox(),
+          const SizedBox(height: 20),
+        ],
         (_buildPassphraseBox() ?? Container()),
         if (widget.walletKeysViewModel.passphrase.isNotEmpty) const SizedBox(height: 20),
         Expanded(
@@ -175,13 +178,14 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
           ),
         ),
         const SizedBox(height: 10),
-        _buildBottomActionPanel(
-          titleForClipboard: S.of(context).wallet_seed.toLowerCase(),
-          dataToCopy: isLegacySeed
-              ? widget.walletKeysViewModel.legacySeed
-              : widget.walletKeysViewModel.seed,
-          onShowQR: () async => _showQR(context),
-        ),
+        if (_hasSeeds)
+          _buildBottomActionPanel(
+            titleForClipboard: S.of(context).wallet_seed.toLowerCase(),
+            dataToCopy: isLegacySeed
+                ? widget.walletKeysViewModel.legacySeed
+                : widget.walletKeysViewModel.seed,
+            onShowQR: () async => _showQR(context),
+          ),
       ],
     );
   }
@@ -326,7 +330,7 @@ class _WalletKeysPageBodyState extends State<WalletKeysPageBody>
       ),
     );
   }
-  
+
   Widget _buildBottomActionPanel({
     required String titleForClipboard,
     required String dataToCopy,

lib/src/screens/wallet_list/wallet_list_page.dart

@@ -122,6 +122,7 @@ class WalletListBodyState extends State<WalletListBody> {
   final bitcoinIcon = Image.asset('assets/images/bitcoin.png', height: 24, width: 24);
   final tBitcoinIcon = Image.asset('assets/images/tbtc.png', height: 24, width: 24);
   final litecoinIcon = Image.asset('assets/images/litecoin_icon.png', height: 24, width: 24);
+  final decredIcon = Image.asset('assets/images/decred_icon.png', height: 24, width: 24);
   final nonWalletTypeIcon = Image.asset('assets/images/close.png', height: 24, width: 24);
   final havenIcon = Image.asset('assets/images/haven_logo.png', height: 24, width: 24);
   final ethereumIcon = Image.asset('assets/images/eth_icon.png', height: 24, width: 24);
@@ -136,6 +137,8 @@ class WalletListBodyState extends State<WalletListBody> {
   final double tileHeight = 60;
   Flushbar<void>? _progressBar;
 
+  bool _loadingWallet = false;
+
   @override
   Widget build(BuildContext context) {
     final newWalletImage = Image.asset('assets/images/new_wallet.png',
@@ -480,6 +483,10 @@ class WalletListBodyState extends State<WalletListBody> {
   }
 
   Future<void> _loadWallet(WalletListItem wallet) async {
+    if (_loadingWallet) return;
+
+    _loadingWallet = true;
+
     if (SettingsStoreBase.walletPasswordDirectInput) {
       Navigator.of(context).pushNamed(Routes.walletUnlockLoadable,
           arguments: WalletUnlockArguments(
@@ -492,13 +499,17 @@ class WalletListBodyState extends State<WalletListBody> {
               },
               walletName: wallet.name,
               walletType: wallet.type));
+      _loadingWallet = false;
       return;
     }
 
     await widget.authService.authenticateAction(
       context,
       onAuthSuccess: (isAuthenticatedSuccessfully) async {
-        if (!isAuthenticatedSuccessfully) return;
+        if (!isAuthenticatedSuccessfully) {
+          _loadingWallet = false;
+          return;
+        }
 
         try {
           final requireHardwareWalletConnection = widget.walletListViewModel
@@ -555,6 +566,8 @@ class WalletListBodyState extends State<WalletListBody> {
                 .of(context)
                 .wallet_list_failed_to_load(wallet.name, e.toString()));
           }
+        } finally {
+          _loadingWallet = false;
         }
       },
       conditionToDetermineIfToUse2FA:

lib/src/widgets/blockchain_height_widget.dart

@@ -9,6 +9,9 @@ import 'package:intl/intl.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/src/widgets/base_text_form_field.dart';
+import 'package:cake_wallet/decred/decred.dart';
+import 'package:cw_core/wallet_type.dart';
+
 
 class BlockchainHeightWidget extends StatefulWidget {
   BlockchainHeightWidget({
@@ -183,7 +186,9 @@ class BlockchainHeightState extends State<BlockchainHeightWidget> {
           bitcoinMempoolAPIEnabled: await widget.bitcoinMempoolAPIEnabled,
         );
       } else {
-        if (widget.walletType == WalletType.monero) {
+        if (widget.walletType == WalletType.decred) {
+          height = decred!.heightByDate(date);
+        } else if (widget.walletType == WalletType.monero) {
           height = monero!.getHeightByDate(date: date);
         } else {
           assert(widget.walletType == WalletType.wownero,

lib/src/widgets/seed_widget.dart

@@ -65,6 +65,9 @@ class SeedWidgetState extends State<SeedWidget> {
       });
       widget.onSeedChange?.call(text);
     });
+    Future.delayed(Duration.zero, () {
+      widget.onSeedChange?.call(text);
+    });
   }
 
   void changeSeedLanguage(String language) {

lib/store/settings_store.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
 import 'package:cake_wallet/core/secure_storage.dart';
 import 'package:cake_wallet/di.dart';
@@ -139,6 +140,7 @@ abstract class SettingsStoreBase with Store {
       TransactionPriority? initialPolygonTransactionPriority,
       TransactionPriority? initialBitcoinCashTransactionPriority,
       TransactionPriority? initialZanoTransactionPriority,
+      TransactionPriority? initialDecredTransactionPriority,
       Country? initialCakePayCountry})
       : nodes = ObservableMap<WalletType, Node>.of(nodes),
         powNodes = ObservableMap<WalletType, Node>.of(powNodes),
@@ -225,6 +227,9 @@ abstract class SettingsStoreBase with Store {
     if (initialZanoTransactionPriority != null) {
       priority[WalletType.zano] = initialZanoTransactionPriority;
     }
+    if (initialDecredTransactionPriority != null) {
+      priority[WalletType.decred] = initialDecredTransactionPriority;
+    }
 
     if (initialCakePayCountry != null) {
       selectedCakePayCountry = initialCakePayCountry;
@@ -280,6 +285,9 @@ abstract class SettingsStoreBase with Store {
         case WalletType.zano:
           key = PreferencesKey.zanoTransactionPriority;
           break;
+        case WalletType.decred:
+          key = PreferencesKey.decredTransactionPriority;
+          break;
         default:
           key = null;
       }
@@ -898,6 +906,7 @@ abstract class SettingsStoreBase with Store {
     TransactionPriority? bitcoinCashTransactionPriority;
     TransactionPriority? wowneroTransactionPriority;
     TransactionPriority? zanoTransactionPriority;
+    TransactionPriority? decredTransactionPriority;
 
     if (sharedPreferences.getInt(PreferencesKey.havenTransactionPriority) != null) {
       havenTransactionPriority = monero?.deserializeMoneroTransactionPriority(
@@ -927,6 +936,10 @@ abstract class SettingsStoreBase with Store {
       zanoTransactionPriority = monero?.deserializeMoneroTransactionPriority(
           raw: sharedPreferences.getInt(PreferencesKey.zanoTransactionPriority)!);
     }
+    if (sharedPreferences.getInt(PreferencesKey.decredTransactionPriority) != null) {
+      decredTransactionPriority = decred?.deserializeDecredTransactionPriority(
+          sharedPreferences.getInt(PreferencesKey.decredTransactionPriority)!);
+    }
 
     moneroTransactionPriority ??= monero?.getDefaultTransactionPriority();
     bitcoinTransactionPriority ??= bitcoin?.getMediumTransactionPriority();
@@ -935,6 +948,7 @@ abstract class SettingsStoreBase with Store {
     ethereumTransactionPriority ??= ethereum?.getDefaultTransactionPriority();
     bitcoinCashTransactionPriority ??= bitcoinCash?.getDefaultTransactionPriority();
     wowneroTransactionPriority ??= wownero?.getDefaultTransactionPriority();
+    decredTransactionPriority ??= decred?.getDecredTransactionPriorityMedium();
     polygonTransactionPriority ??= polygon?.getDefaultTransactionPriority();
     zanoTransactionPriority ??= zano?.getDefaultTransactionPriority();
 
@@ -1038,7 +1052,7 @@ abstract class SettingsStoreBase with Store {
     final tronNodeId = sharedPreferences.getInt(PreferencesKey.currentTronNodeIdKey);
     final wowneroNodeId = sharedPreferences.getInt(PreferencesKey.currentWowneroNodeIdKey);
     final zanoNodeId = sharedPreferences.getInt(PreferencesKey.currentZanoNodeIdKey);
-
+    final decredNodeId = sharedPreferences.getInt(PreferencesKey.currentDecredNodeIdKey);
     final moneroNode = nodeSource.get(nodeId);
     final bitcoinElectrumServer = nodeSource.get(bitcoinElectrumServerId);
     final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
@@ -1047,6 +1061,7 @@ abstract class SettingsStoreBase with Store {
     final polygonNode = nodeSource.get(polygonNodeId);
     final bitcoinCashElectrumServer = nodeSource.get(bitcoinCashElectrumServerId);
     final nanoNode = nodeSource.get(nanoNodeId);
+    final decredNode = nodeSource.get(decredNodeId);
     final nanoPowNode = powNodeSource.get(nanoPowNodeId);
     final solanaNode = nodeSource.get(solanaNodeId);
     final tronNode = nodeSource.get(tronNodeId);
@@ -1137,6 +1152,10 @@ abstract class SettingsStoreBase with Store {
       nodes[WalletType.zano] = zanoNode;
     }
 
+    if (decredNode != null) {
+      nodes[WalletType.decred] = decredNode;
+    }
+
     final savedSyncMode = SyncMode.all.firstWhere((element) {
       return element.type.index == (sharedPreferences.getInt(PreferencesKey.syncModeKey) ?? 0);
     });
@@ -1304,6 +1323,7 @@ abstract class SettingsStoreBase with Store {
       initialHavenTransactionPriority: havenTransactionPriority,
       initialLitecoinTransactionPriority: litecoinTransactionPriority,
       initialBitcoinCashTransactionPriority: bitcoinCashTransactionPriority,
+      initialDecredTransactionPriority: decredTransactionPriority,
       initialShouldRequireTOTP2FAForAccessingWallet: shouldRequireTOTP2FAForAccessingWallet,
       initialShouldRequireTOTP2FAForSendsToContact: shouldRequireTOTP2FAForSendsToContact,
       initialShouldRequireTOTP2FAForSendsToNonContact: shouldRequireTOTP2FAForSendsToNonContact,
@@ -1378,6 +1398,11 @@ abstract class SettingsStoreBase with Store {
       priority[WalletType.zano] = zano!.deserializeMoneroTransactionPriority(
               raw: sharedPreferences.getInt(PreferencesKey.zanoTransactionPriority)!);
     }
+    if (decred != null &&
+        sharedPreferences.getInt(PreferencesKey.decredTransactionPriority) != null) {
+      priority[WalletType.decred] = decred!.deserializeDecredTransactionPriority(
+          sharedPreferences.getInt(PreferencesKey.decredTransactionPriority)!);
+    }
 
     final generateSubaddresses =
         sharedPreferences.getInt(PreferencesKey.autoGenerateSubaddressStatusKey);
@@ -1489,6 +1514,7 @@ abstract class SettingsStoreBase with Store {
     final tronNodeId = sharedPreferences.getInt(PreferencesKey.currentTronNodeIdKey);
     final wowneroNodeId = sharedPreferences.getInt(PreferencesKey.currentWowneroNodeIdKey);
     final zanoNodeId = sharedPreferences.getInt(PreferencesKey.currentZanoNodeIdKey);
+    final decredNodeId = sharedPreferences.getInt(PreferencesKey.currentDecredNodeIdKey);
     final moneroNode = nodeSource.get(nodeId);
     final bitcoinElectrumServer = nodeSource.get(bitcoinElectrumServerId);
     final litecoinElectrumServer = nodeSource.get(litecoinElectrumServerId);
@@ -1496,11 +1522,12 @@ abstract class SettingsStoreBase with Store {
     final ethereumNode = nodeSource.get(ethereumNodeId);
     final polygonNode = nodeSource.get(polygonNodeId);
     final bitcoinCashNode = nodeSource.get(bitcoinCashElectrumServerId);
-    final nanoNode = nodeSource.get(nanoNodeId);   
+    final nanoNode = nodeSource.get(nanoNodeId);
     final solanaNode = nodeSource.get(solanaNodeId);
     final tronNode = nodeSource.get(tronNodeId);
     final wowneroNode = nodeSource.get(wowneroNodeId);
     final zanoNode = nodeSource.get(zanoNodeId);
+    final decredNode = nodeSource.get(decredNodeId);
 
     if (moneroNode != null) {
       nodes[WalletType.monero] = moneroNode;
@@ -1551,6 +1578,10 @@ abstract class SettingsStoreBase with Store {
       nodes[WalletType.zano] = zanoNode;
     }
 
+    if (decredNode != null) {
+      nodes[WalletType.decred] = decredNode;
+    }
+
     // MIGRATED:
 
     useTOTP2FA = await SecureKey.getBool(
@@ -1687,6 +1718,9 @@ abstract class SettingsStoreBase with Store {
       case WalletType.wownero:
         await _sharedPreferences.setInt(PreferencesKey.currentWowneroNodeIdKey, node.key as int);
         break;
+      case WalletType.decred:
+        await _sharedPreferences.setInt(PreferencesKey.currentDecredNodeIdKey, node.key as int);
+        break;
       case WalletType.zano:
         await _sharedPreferences.setInt(PreferencesKey.currentZanoNodeIdKey, node.key as int);
       default:

lib/view_model/advanced_privacy_settings_view_model.dart

@@ -55,6 +55,7 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
       case WalletType.none:
       case WalletType.haven:
       case WalletType.zano:
+      case WalletType.decred:
         return false;
     }
   }

lib/view_model/contact_list/contact_list_view_model.dart

@@ -9,7 +9,6 @@ import 'package:cake_wallet/entities/wallet_list_order_types.dart';
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/utils/mobx.dart';
-import 'package:collection/collection.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/wallet_type.dart';
@@ -43,7 +42,8 @@ abstract class ContactListViewModelBase with Store {
           }
         }
       } else if (info.addresses?.isNotEmpty == true && info.addresses!.length > 1) {
-        if ([WalletType.monero, WalletType.wownero, WalletType.haven].contains(info.type)) {
+        if ([WalletType.monero, WalletType.wownero, WalletType.haven, WalletType.decred]
+            .contains(info.type)) {
           final address = info.address;
           final name = _createName(info.name, "", key: 0);
           walletContacts.add(WalletContact(
@@ -129,11 +129,9 @@ abstract class ContactListViewModelBase with Store {
         (element.type == CryptoCurrency.btc || element.type == CryptoCurrency.ltc)) return false;
 
     return element.type == _currency ||
-        (element.type.tag != null &&
-            _currency?.tag != null &&
-            element.type.tag == _currency?.tag) ||
-        _currency?.toString() == element.type.tag ||
-        _currency?.tag == element.type.toString();
+        (element.type.tag != null && _currency.tag != null && element.type.tag == _currency.tag) ||
+        _currency.toString() == element.type.tag ||
+        _currency.tag == element.type.toString();
   }
 
   void dispose() => _subscription?.cancel();

lib/view_model/contact_list/contact_view_model.dart

@@ -62,12 +62,12 @@ abstract class ContactViewModelBase with Store {
         return;
       }
 
-      if (_contact != null && _contact!.original.isInBox) {
-        _contact?.name = name;
-        _contact?.address = address;
-        _contact?.type = currency!;
-        _contact?.lastChange = now;
-        await _contact?.save();
+      if (_contact != null && _contact.original.isInBox) {
+        _contact.name = name;
+        _contact.address = address;
+        _contact.type = currency!;
+        _contact.lastChange = now;
+        await _contact.save();
       } else {
         await _contacts
             .add(Contact(name: name, address: address, type: currency!, lastChange: now));

lib/view_model/dashboard/balance_view_model.dart

@@ -306,6 +306,7 @@ abstract class BalanceViewModelBase with Store {
       case WalletType.monero:
       case WalletType.wownero:
       case WalletType.zano:
+      case WalletType.decred:
         return true;
       default:
         return false;

lib/view_model/dashboard/dashboard_view_model.dart

@@ -23,7 +23,6 @@ import 'package:cake_wallet/store/dashboard/trades_store.dart';
 import 'package:cake_wallet/store/dashboard/transaction_filter_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/store/yat/yat_store.dart';
-import 'package:cake_wallet/utils/mobx.dart';
 import 'package:cake_wallet/view_model/dashboard/action_list_item.dart';
 import 'package:cake_wallet/view_model/dashboard/anonpay_transaction_list_item.dart';
 import 'package:cake_wallet/view_model/dashboard/balance_view_model.dart';
@@ -169,6 +168,9 @@ abstract class DashboardViewModelBase with Store {
         type = appStore.wallet!.type,
         transactions = ObservableList<TransactionListItem>(),
         wallet = appStore.wallet! {
+    showDecredInfoCard = wallet.type == WalletType.decred &&
+        (sharedPreferences.getBool(PreferencesKey.showDecredInfoCard) ?? true);
+
     name = wallet.name;
     type = wallet.type;
     isShowFirstYatIntroduction = false;
@@ -261,6 +263,7 @@ abstract class DashboardViewModelBase with Store {
     reaction((_) => appStore.wallet, (wallet) {
       _onWalletChange(wallet);
       _checkMweb();
+      showDecredInfoCard = wallet?.type == WalletType.decred;
     });
 
     _transactionDisposer?.reaction.dispose();
@@ -350,6 +353,10 @@ abstract class DashboardViewModelBase with Store {
       statusText = S.current.please_try_to_connect_to_another_node;
     }
 
+    if (status is ProcessingSyncStatus) {
+      statusText = (status as ProcessingSyncStatus).message ?? S.current.processing;
+    }
+
     return statusText;
   }
 
@@ -399,13 +406,7 @@ abstract class DashboardViewModelBase with Store {
   bool get isTestnet => wallet.type == WalletType.bitcoin && bitcoin!.isTestnet(wallet);
 
   @computed
-  bool get hasRescan => [
-        WalletType.bitcoin,
-        WalletType.monero,
-        WalletType.litecoin,
-        WalletType.wownero,
-        WalletType.haven
-      ].contains(wallet.type);
+  bool get hasRescan => wallet.hasRescan;
 
   @computed
   bool get isMoneroViewOnly {
@@ -490,6 +491,9 @@ abstract class DashboardViewModelBase with Store {
   @observable
   bool mwebEnabled = false;
 
+  @observable
+  late bool showDecredInfoCard;
+
   @computed
   bool get hasEnabledMwebBefore => settingsStore.hasEnabledMwebBefore;
 
@@ -543,6 +547,12 @@ abstract class DashboardViewModelBase with Store {
     bitcoin!.setMwebEnabled(wallet, false);
   }
 
+  @action
+  void dismissDecredInfoCard() {
+    showDecredInfoCard = false;
+    sharedPreferences.setBool(PreferencesKey.showDecredInfoCard, false);
+  }
+
   BalanceViewModel balanceViewModel;
 
   AppStore appStore;
@@ -573,6 +583,9 @@ abstract class DashboardViewModelBase with Store {
   @computed
   bool get isEnabledSwapAction => settingsStore.exchangeStatus != ExchangeApiMode.disabled;
 
+  @computed
+  bool get canSend => wallet.canSend();
+
   @observable
   bool hasSwapAction;
 
@@ -596,21 +609,28 @@ abstract class DashboardViewModelBase with Store {
 
   @computed
   bool get hasSignMessages {
-    if (wallet.isHardwareWallet) return false;
-
-    return [
-      WalletType.monero,
-      WalletType.litecoin,
-      WalletType.bitcoin,
-      WalletType.bitcoinCash,
-      WalletType.ethereum,
-      WalletType.polygon,
-      WalletType.solana,
-      WalletType.nano,
-      WalletType.banano,
-      WalletType.tron,
-      WalletType.wownero
-    ].contains(wallet.type);
+    if (wallet.isHardwareWallet) {
+      return false;
+    }
+    switch (wallet.type) {
+      case WalletType.monero:
+      case WalletType.litecoin:
+      case WalletType.bitcoin:
+      case WalletType.bitcoinCash:
+      case WalletType.ethereum:
+      case WalletType.polygon:
+      case WalletType.solana:
+      case WalletType.nano:
+      case WalletType.banano:
+      case WalletType.tron:
+      case WalletType.wownero:
+      case WalletType.decred:
+        return true;
+      case WalletType.zano:
+      case WalletType.haven:
+      case WalletType.none:
+        return false;
+    }
   }
 
   bool get showRepWarning {

lib/view_model/dashboard/home_settings_view_model.dart

@@ -214,6 +214,7 @@ abstract class HomeSettingsViewModelBase with Store {
       case WalletType.nano:
       case WalletType.wownero:
       case WalletType.bitcoinCash:
+      case WalletType.decred:
         return false;
     }
 

lib/view_model/dashboard/receive_option_view_model.dart

@@ -14,7 +14,9 @@ abstract class ReceiveOptionViewModelBase with Store {
             (_wallet.type == WalletType.bitcoin ||
              _wallet.type == WalletType.litecoin
                 ? bitcoin!.getSelectedAddressType(_wallet)
-                : ReceivePageOption.mainnet),
+                    : (_wallet.type == WalletType.decred && _wallet.isTestnet)
+                    ? ReceivePageOption.testnet
+                    : ReceivePageOption.mainnet),
         _options = [] {
     final walletType = _wallet.type;
     switch (walletType) {
@@ -33,6 +35,17 @@ abstract class ReceiveOptionViewModelBase with Store {
       case WalletType.haven:
         _options = [ReceivePageOption.mainnet];
         break;
+      case WalletType.decred:
+        if (_wallet.isTestnet) {
+          _options = [
+            ReceivePageOption.testnet,
+            ...ReceivePageOptions.where(
+                (element) => element != ReceivePageOption.mainnet)
+          ];
+        } else {
+          _options = ReceivePageOptions;
+        }
+        break;
       default:
         _options = ReceivePageOptions;
     }

lib/view_model/dashboard/transaction_list_item.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/entities/balance_display_mode.dart';
 import 'package:cake_wallet/entities/fiat_currency.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
@@ -82,7 +83,9 @@ class TransactionListItem extends ActionListItem with Keyable {
         if (transaction.confirmations <= 0) {
           str = S.current.pending;
         }
-        if ((isPegOut || fromPegOut) && transaction.confirmations >= 0 && transaction.confirmations < 6) {
+        if ((isPegOut || fromPegOut) &&
+            transaction.confirmations >= 0 &&
+            transaction.confirmations < 6) {
           str = " (${transaction.confirmations}/6)";
         }
         if (isPegIn) {
@@ -224,7 +227,13 @@ class TransactionListItem extends ActionListItem with Keyable {
           cryptoAmount: zano!.formatterIntAmountToDouble(amount: transaction.amount, currency: asset, forFee: false),
           price: price);
           break;
-      default:
+      case WalletType.decred:
+        amount = calculateFiatAmountRaw(
+            cryptoAmount: decred!.formatterDecredAmountToDouble(amount: transaction.amount),
+            price: price);
+        break;
+      case WalletType.none:
+      case WalletType.banano:
         break;
     }
 

lib/view_model/exchange/exchange_view_model.dart

@@ -23,6 +23,8 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 import 'package:cake_wallet/.secrets.g.dart' as secrets;
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
+import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/entities/exchange_api_mode.dart';
 import 'package:cake_wallet/entities/preferences_key.dart';
@@ -167,7 +169,8 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
       wallet.type == WalletType.bitcoinCash;
 
   bool get hideAddressAfterExchange =>
-      wallet.type == WalletType.monero || wallet.type == WalletType.wownero;
+      wallet.type == WalletType.monero ||
+      wallet.type == WalletType.wownero;
 
   bool _useTorOnly;
   final Box<Trade> trades;
@@ -316,8 +319,6 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
 
   bool get isMoneroWallet => wallet.type == WalletType.monero;
 
-
-
   List<CryptoCurrency> receiveCurrencies;
 
   List<CryptoCurrency> depositCurrencies;
@@ -778,6 +779,10 @@ abstract class ExchangeViewModelBase extends WalletChangeListenerViewModel with
         depositCurrency = CryptoCurrency.zano;
         receiveCurrency = CryptoCurrency.xmr;
         break;
+      case WalletType.decred:
+        depositCurrency = CryptoCurrency.dcr;
+        receiveCurrency = CryptoCurrency.xmr;
+        break;
       case WalletType.none:
         break;
     }

lib/view_model/node_list/node_create_or_edit_view_model.dart

@@ -63,13 +63,13 @@ abstract class NodeCreateOrEditViewModelBase with Store {
   String socksProxyAddress;
 
   @computed
-  bool get isReady => address.isNotEmpty && port.isNotEmpty;
+  bool get isReady =>
+      (address.isNotEmpty && port.isNotEmpty) ||
+      _walletType == WalletType.decred; // Allow an empty address.
 
   bool get hasAuthCredentials =>
       _walletType == WalletType.monero || _walletType == WalletType.wownero || _walletType == WalletType.haven;
 
-  bool get hasTestnetSupport => _walletType == WalletType.bitcoin;
-
   bool get hasPathSupport {
     switch (_walletType) {
       case WalletType.ethereum:
@@ -87,6 +87,7 @@ abstract class NodeCreateOrEditViewModelBase with Store {
       case WalletType.bitcoinCash:
       case WalletType.bitcoin:
       case WalletType.zano:
+      case WalletType.decred:
         return false;
     }
   }

lib/view_model/node_list/node_list_view_model.dart

@@ -49,50 +49,10 @@ abstract class NodeListViewModelBase with Store {
     await resetToDefault(_nodeSource);
 
     Node node;
-
-    switch (_appStore.wallet!.type) {
-      case WalletType.bitcoin:
-        if (_appStore.wallet!.isTestnet) {
-          node = getBitcoinTestnetDefaultElectrumServer(nodes: _nodeSource)!;
-        } else {
-          node = getBitcoinDefaultElectrumServer(nodes: _nodeSource)!;
-        }
-        break;
-      case WalletType.monero:
-        node = getMoneroDefaultNode(nodes: _nodeSource);
-        break;
-      case WalletType.litecoin:
-        node = getLitecoinDefaultElectrumServer(nodes: _nodeSource)!;
-        break;
-      case WalletType.haven:
-        node = getHavenDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.ethereum:
-        node = getEthereumDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.bitcoinCash:
-        node = getBitcoinCashDefaultElectrumServer(nodes: _nodeSource)!;
-        break;
-      case WalletType.nano:
-        node = getNanoDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.polygon:
-        node = getPolygonDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.solana:
-        node = getSolanaDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.tron:
-        node = getTronDefaultNode(nodes: _nodeSource)!;
-        break;
-      case WalletType.wownero:
-        node = getWowneroDefaultNode(nodes: _nodeSource);
-        break;
-      case WalletType.zano:
-        node = getZanoDefaultNode(nodes: _nodeSource)!;
-        break;
-      default:
-        throw Exception('Unexpected wallet type: ${_appStore.wallet!.type}');
+    if (_appStore.wallet!.type == WalletType.bitcoin && _appStore.wallet!.isTestnet) {
+      node = getBitcoinTestnetDefaultElectrumServer(nodes: _nodeSource)!;
+    } else {
+      node = getDefaultNode(nodes: _nodeSource, type: _appStore.wallet!.type)!;
     }
 
     await setAsCurrent(node);

lib/view_model/restore/wallet_restore_from_qr_code.dart

@@ -44,6 +44,9 @@ class WalletRestoreFromQRCode {
     'zano': WalletType.zano,
     'zano-wallet': WalletType.zano,
     'zano_wallet': WalletType.zano,
+    'decred': WalletType.decred,
+    'decred-wallet': WalletType.decred,
+    'decred_wallet': WalletType.decred,
   };
 
   static WalletType? _extractWalletType(String code) {
@@ -69,8 +72,12 @@ class WalletRestoreFromQRCode {
   }
 
   static String? _extractAddressFromUrl(String rawString, WalletType type) {
-    return AddressResolver.extractAddressByType(
-        raw: rawString, type: walletTypeToCryptoCurrency(type));
+    try {
+      return AddressResolver.extractAddressByType(
+          raw: rawString, type: walletTypeToCryptoCurrency(type));
+    } catch (_) {
+      return null;
+    }
   }
 
   static String? _extractSeedPhraseFromUrl(String rawString, WalletType walletType) {
@@ -122,7 +129,6 @@ class WalletRestoreFromQRCode {
     }
     if (queryParameters['address'] == null) {
       queryParameters['address'] = _extractAddressFromUrl(code, walletType);
-
     }
 
     Map<String, dynamic> credentials = {'type': walletType, ...queryParameters, 'raw_qr': code};

lib/view_model/send/fees_view_model.dart

@@ -1,4 +1,5 @@
 import 'package:cake_wallet/bitcoin_cash/bitcoin_cash.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/entities/priority_for_wallet_type.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/ethereum/ethereum.dart';
@@ -88,7 +89,13 @@ abstract class FeesViewModelBase extends WalletChangeListenerViewModel with Stor
         return transactionPriority == bitcoinCash!.getBitcoinCashTransactionPrioritySlow();
       case WalletType.polygon:
         return transactionPriority == polygon!.getPolygonTransactionPrioritySlow();
-      default:
+      case WalletType.decred:
+        return transactionPriority == decred!.getDecredTransactionPrioritySlow();
+      case WalletType.none:
+      case WalletType.nano:
+      case WalletType.banano:
+      case WalletType.solana:
+      case WalletType.tron:
         return false;
     }
   }

lib/view_model/send/output.dart

@@ -1,3 +1,4 @@
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/di.dart';
 import 'package:cake_wallet/entities/calculate_fiat_amount_raw.dart';
 import 'package:cake_wallet/entities/parse_address_from_domain.dart';
@@ -101,6 +102,9 @@ abstract class OutputBase with Store {
           case WalletType.bitcoinCash:
             _amount = bitcoin!.formatterStringDoubleToBitcoinAmount(_cryptoAmount);
             break;
+          case WalletType.decred:
+            _amount = decred!.formatterStringDoubleToDecredAmount(_cryptoAmount);
+            break;
           case WalletType.haven:
             _amount = haven!.formatterMoneroParseAmount(amount: _cryptoAmount);
             break;
@@ -188,6 +192,10 @@ abstract class OutputBase with Store {
       if (_wallet.type == WalletType.zano) {
         return zano!.formatterIntAmountToDouble(amount: fee, currency: cryptoCurrencyHandler(), forFee: true);
       }
+
+      if (_wallet.type == WalletType.decred) {
+        return decred!.formatterDecredAmountToDouble(amount: fee);
+      }
     } catch (e) {
       printV(e.toString());
     }

lib/view_model/send/send_view_model.dart

@@ -6,6 +6,7 @@ import 'package:cake_wallet/ethereum/ethereum.dart';
 import 'package:cake_wallet/exchange/provider/exchange_provider.dart';
 import 'package:cake_wallet/exchange/provider/thorchain_exchange.provider.dart';
 import 'package:cake_wallet/nano/nano.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/core/wallet_change_listener_view_model.dart';
 import 'package:cake_wallet/entities/contact_record.dart';
 import 'package:cake_wallet/entities/wallet_contact.dart';
@@ -251,6 +252,7 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
       wallet.type == WalletType.litecoin ||
       wallet.type == WalletType.monero ||
       wallet.type == WalletType.wownero ||
+      wallet.type == WalletType.decred ||
       wallet.type == WalletType.bitcoinCash;
 
   @computed
@@ -539,6 +541,9 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
       case WalletType.zano:
         return zano!.createZanoTransactionCredentials(
             outputs: outputs, priority: priority!, currency: selectedCryptoCurrency);
+      case WalletType.decred:
+        this.coinTypeToSpendFrom = UnspentCoinType.any;
+        return decred!.createDecredTransactionCredentials(outputs, priority!);
       default:
         throw Exception('Unexpected wallet type: ${wallet.type}');
     }
@@ -681,55 +686,51 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
       }
     }
 
-    if (walletType == WalletType.bitcoin ||
-        walletType == WalletType.litecoin ||
-        walletType == WalletType.bitcoinCash) {
-      if (error is TransactionWrongBalanceException) {
-        if (error.amount != null)
-          return S.current
-              .tx_wrong_balance_with_amount_exception(currency.toString(), error.amount.toString());
+    if (error is TransactionWrongBalanceException) {
+      if (error.amount != null)
+        return S.current
+            .tx_wrong_balance_with_amount_exception(currency.toString(), error.amount.toString());
 
-        return S.current.tx_wrong_balance_exception(currency.toString());
-      }
-      if (error is TransactionNoInputsException) {
-        return S.current.tx_not_enough_inputs_exception;
-      }
-      if (error is TransactionNoFeeException) {
-        return S.current.tx_zero_fee_exception;
-      }
-      if (error is TransactionNoDustException) {
-        return S.current.tx_no_dust_exception;
-      }
-      if (error is TransactionCommitFailed) {
-        if (error.errorMessage != null && error.errorMessage!.contains("no peers replied")) {
-          return S.current.tx_commit_failed_no_peers;
-        }
-        return "${S.current.tx_commit_failed}${error.errorMessage != null ? "\n\n${error.errorMessage}" : ""}";
-      }
-      if (error is TransactionCommitFailedDustChange) {
-        return S.current.tx_rejected_dust_change;
-      }
-      if (error is TransactionCommitFailedDustOutput) {
-        return S.current.tx_rejected_dust_output;
-      }
-      if (error is TransactionCommitFailedDustOutputSendAll) {
-        return S.current.tx_rejected_dust_output_send_all;
-      }
-      if (error is TransactionCommitFailedVoutNegative) {
-        return S.current.tx_rejected_vout_negative;
-      }
-      if (error is TransactionCommitFailedBIP68Final) {
-        return S.current.tx_rejected_bip68_final;
-      }
-      if (error is TransactionCommitFailedLessThanMin) {
-        return S.current.fee_less_than_min;
-      }
-      if (error is TransactionNoDustOnChangeException) {
-        return S.current.tx_commit_exception_no_dust_on_change(error.min, error.max);
-      }
-      if (error is TransactionInputNotSupported) {
-        return S.current.tx_invalid_input;
+      return S.current.tx_wrong_balance_exception(currency.toString());
+    }
+    if (error is TransactionNoInputsException) {
+      return S.current.tx_not_enough_inputs_exception;
+    }
+    if (error is TransactionNoFeeException) {
+      return S.current.tx_zero_fee_exception;
+    }
+    if (error is TransactionNoDustException) {
+      return S.current.tx_no_dust_exception;
+    }
+    if (error is TransactionCommitFailed) {
+      if (error.errorMessage != null && error.errorMessage!.contains("no peers replied")) {
+        return S.current.tx_commit_failed_no_peers;
       }
+      return "${S.current.tx_commit_failed}${error.errorMessage != null ? "\n\n${error.errorMessage}" : ""}";
+    }
+    if (error is TransactionCommitFailedDustChange) {
+      return S.current.tx_rejected_dust_change;
+    }
+    if (error is TransactionCommitFailedDustOutput) {
+      return S.current.tx_rejected_dust_output;
+    }
+    if (error is TransactionCommitFailedDustOutputSendAll) {
+      return S.current.tx_rejected_dust_output_send_all;
+    }
+    if (error is TransactionCommitFailedVoutNegative) {
+      return S.current.tx_rejected_vout_negative;
+    }
+    if (error is TransactionCommitFailedBIP68Final) {
+      return S.current.tx_rejected_bip68_final;
+    }
+    if (error is TransactionCommitFailedLessThanMin) {
+      return S.current.fee_less_than_min;
+    }
+    if (error is TransactionNoDustOnChangeException) {
+      return S.current.tx_commit_exception_no_dust_on_change(error.min, error.max);
+    }
+    if (error is TransactionInputNotSupported) {
+      return S.current.tx_invalid_input;
     }
 
     return errorMessage;

lib/view_model/settings/privacy_settings_view_model.dart

@@ -44,7 +44,8 @@ abstract class PrivacySettingsViewModelBase with Store {
       _wallet.type == WalletType.wownero ||
       _wallet.type == WalletType.bitcoin ||
       _wallet.type == WalletType.litecoin ||
-      _wallet.type == WalletType.bitcoinCash;
+      _wallet.type == WalletType.bitcoinCash ||
+      _wallet.type == WalletType.decred;
 
   bool get isMoneroWallet => _wallet.type == WalletType.monero;
 

lib/view_model/transaction_details_view_model.dart

@@ -48,6 +48,7 @@ abstract class TransactionDetailsViewModelBase with Store {
     final dateFormat = DateFormatter.withCurrentLocal();
     final tx = transactionInfo;
 
+    // TODO: can be cleaned further
     switch (wallet.type) {
       case WalletType.monero:
         _addMoneroListItems(tx, dateFormat);
@@ -84,8 +85,12 @@ abstract class TransactionDetailsViewModelBase with Store {
       case WalletType.zano:
         _addZanoListItems(tx, dateFormat);
         break;
-      default:
+      case WalletType.decred:
+        _addDecredListItems(tx, dateFormat);
         break;
+      case WalletType.none:
+      case WalletType.banano:
+      break;
     }
 
     final descriptionKey = '${transactionInfo.txHash}_${wallet.walletAddresses.primaryAddress}';
@@ -186,6 +191,8 @@ abstract class TransactionDetailsViewModelBase with Store {
         return 'https://explore.wownero.com/tx/${txId}';
       case WalletType.zano:
         return 'https://explorer.zano.org/transaction/${txId}';
+      case WalletType.decred:
+        return 'https://${wallet.isTestnet ? "testnet" : "dcrdata"}.decred.org/tx/${txId.split(':')[0]}';
       case WalletType.none:
         return '';
     }
@@ -218,6 +225,8 @@ abstract class TransactionDetailsViewModelBase with Store {
         return S.current.view_transaction_on + 'Wownero.com';
       case WalletType.zano:
         return S.current.view_transaction_on + 'explorer.zano.org';
+      case WalletType.decred:
+        return S.current.view_transaction_on + 'dcrdata.decred.org';
       case WalletType.none:
         return '';
     }
@@ -672,6 +681,51 @@ abstract class TransactionDetailsViewModelBase with Store {
     items.addAll(_items);
   }
 
+  void _addDecredListItems(TransactionInfo tx, DateFormat dateFormat) {
+    final _items = [
+      StandartListItem(
+        title: S.current.transaction_details_transaction_id,
+        value: tx.txHash,
+        key: ValueKey('standard_list_item_transaction_details_id_key'),
+      ),
+      StandartListItem(
+        title: S.current.transaction_details_date,
+        value: dateFormat.format(tx.date),
+        key: ValueKey('standard_list_item_transaction_details_date_key'),
+      ),
+      StandartListItem(
+        title: S.current.transaction_details_height,
+        value: '${tx.height}',
+        key: ValueKey('standard_list_item_transaction_details_height_key'),
+      ),
+      StandartListItem(
+        title: S.current.transaction_details_amount,
+        value: tx.amountFormatted(),
+        key: ValueKey('standard_list_item_transaction_details_amount_key'),
+      ),
+      if (tx.feeFormatted()?.isNotEmpty ?? false)
+        StandartListItem(
+          title: S.current.transaction_details_fee,
+          value: tx.feeFormatted()!,
+          key: ValueKey('standard_list_item_transaction_details_fee_key'),
+        ),
+      if (showRecipientAddress && tx.to != null)
+        StandartListItem(
+          title: S.current.transaction_details_recipient_address,
+          value: tx.to!,
+          key: ValueKey('standard_list_item_transaction_details_recipient_address_key'),
+        ),
+      if (tx.from != null)
+        StandartListItem(
+          title: S.current.transaction_details_source_address,
+          value: tx.from!,
+          key: ValueKey('standard_list_item_transaction_details_source_address_key'),
+        ),
+    ];
+
+    items.addAll(_items);
+  }
+
   @action
   Future<void> _checkForRBF(TransactionInfo tx) async {
     if (wallet.type == WalletType.bitcoin &&

lib/view_model/unspent_coins/unspent_coins_list_view_model.dart

@@ -1,6 +1,7 @@
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/utils/exception_handler.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/view_model/unspent_coins/unspent_coins_item.dart';
 import 'package:cake_wallet/wownero/wownero.dart';
 import 'package:cw_core/unspent_coin_type.dart';
@@ -92,6 +93,8 @@ abstract class UnspentCoinsListViewModelBase with Store {
       return wownero!.formatterWowneroAmountToString(amount: fullBalance);
     if ([WalletType.bitcoin, WalletType.litecoin, WalletType.bitcoinCash].contains(wallet.type))
       return bitcoin!.formatterBitcoinAmountToString(amount: fullBalance);
+    if (wallet.type == WalletType.decred)
+      return decred!.formatterDecredAmountToString(amount: fullBalance);
     return '';
   }
 
@@ -105,7 +108,9 @@ abstract class UnspentCoinsListViewModelBase with Store {
     if ([WalletType.bitcoin, WalletType.litecoin, WalletType.bitcoinCash].contains(wallet.type)) {
       await bitcoin!.updateUnspents(wallet);
     }
-
+    if (wallet.type == WalletType.decred) {
+      decred!.updateUnspents(wallet);
+    }
     _updateUnspentCoinsInfo();
   }
 
@@ -119,6 +124,8 @@ abstract class UnspentCoinsListViewModelBase with Store {
       case WalletType.litecoin:
       case WalletType.bitcoinCash:
         return bitcoin!.getUnspents(wallet, coinTypeToSpendFrom: coinTypeToSpendFrom);
+      case WalletType.decred:
+        return decred!.getUnspents(wallet);
       default:
         return List.empty();
     }

lib/view_model/wallet_address_list/wallet_address_edit_or_create_view_model.dart

@@ -5,6 +5,7 @@ import 'package:cw_core/wallet_base.dart';
 import 'package:cake_wallet/bitcoin/bitcoin.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/haven/haven.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cw_core/wallet_type.dart';
 
 part 'wallet_address_edit_or_create_view_model.g.dart';
@@ -27,13 +28,12 @@ class AddressEditOrCreateStateFailure extends AddressEditOrCreateState {
 }
 
 abstract class WalletAddressEditOrCreateViewModelBase with Store {
-  WalletAddressEditOrCreateViewModelBase(
-      {required WalletBase wallet, WalletAddressListItem? item})
+  WalletAddressEditOrCreateViewModelBase({required WalletBase wallet, WalletAddressListItem? item})
       : isEdit = item != null,
         state = AddressEditOrCreateStateInitial(),
         label = item?.name ?? '',
         _item = item,
-         _wallet = wallet;
+        _wallet = wallet;
 
   @observable
   AddressEditOrCreateState state;
@@ -46,7 +46,8 @@ abstract class WalletAddressEditOrCreateViewModelBase with Store {
   final WalletAddressListItem? _item;
   final WalletBase _wallet;
 
-  bool get isElectrum => _wallet.type == WalletType.bitcoin ||
+  bool get isElectrum =>
+      _wallet.type == WalletType.bitcoin ||
       _wallet.type == WalletType.bitcoinCash ||
       _wallet.type == WalletType.litecoin;
 
@@ -69,39 +70,46 @@ abstract class WalletAddressEditOrCreateViewModelBase with Store {
   Future<void> _createNew() async {
     final wallet = _wallet;
 
-    if (isElectrum) await bitcoin!.generateNewAddress(wallet, label);
+    if (isElectrum) {
+      await bitcoin!.generateNewAddress(wallet, label);
+      await wallet.save();
+    }
+
+    if (wallet.type == WalletType.decred) {
+      await decred!.generateNewAddress(wallet, label);
+      await wallet.save();
+    }
 
     if (wallet.type == WalletType.monero) {
-      await monero
-          !.getSubaddressList(wallet)
-          .addSubaddress(
-            wallet,
-            accountIndex: monero!.getCurrentAccount(wallet).id,
-            label: label);
-      final addr = await monero!.getSubaddressList(wallet).subaddresses.first.address; // first because the order is reversed
+      await monero!
+          .getSubaddressList(wallet)
+          .addSubaddress(wallet, accountIndex: monero!.getCurrentAccount(wallet).id, label: label);
+      final addr = await monero!
+          .getSubaddressList(wallet)
+          .subaddresses
+          .first
+          .address; // first because the order is reversed
       wallet.walletAddresses.manualAddresses.add(addr);
       await wallet.save();
     }
 
     if (wallet.type == WalletType.wownero) {
-      await wownero
-          !.getSubaddressList(wallet)
-          .addSubaddress(
-            wallet,
-            accountIndex: wownero!.getCurrentAccount(wallet).id,
-            label: label);
-      final addr = await wownero!.getSubaddressList(wallet).subaddresses.first.address; // first because the order is reversed
+      await wownero!
+          .getSubaddressList(wallet)
+          .addSubaddress(wallet, accountIndex: wownero!.getCurrentAccount(wallet).id, label: label);
+      final addr = await wownero!
+          .getSubaddressList(wallet)
+          .subaddresses
+          .first
+          .address; // first because the order is reversed
       wallet.walletAddresses.manualAddresses.add(addr);
       await wallet.save();
     }
 
     if (wallet.type == WalletType.haven) {
-      await haven
-          !.getSubaddressList(wallet)
-          .addSubaddress(
-            wallet,
-            accountIndex: haven!.getCurrentAccount(wallet).id,
-            label: label);
+      await haven!
+          .getSubaddressList(wallet)
+          .addSubaddress(wallet, accountIndex: haven!.getCurrentAccount(wallet).id, label: label);
       await wallet.save();
     }
   }
@@ -111,6 +119,12 @@ abstract class WalletAddressEditOrCreateViewModelBase with Store {
 
     if (isElectrum) await bitcoin!.updateAddress(wallet, _item!.address, label);
 
+    if (wallet.type == WalletType.decred) {
+      await decred!.updateAddress(wallet, _item!.address, label);
+      await wallet.save();
+      return;
+    }
+
     final index = _item?.id;
     if (index != null) {
       if (wallet.type == WalletType.monero) {
@@ -125,9 +139,7 @@ abstract class WalletAddressEditOrCreateViewModelBase with Store {
       }
       if (wallet.type == WalletType.haven) {
         await haven!.getSubaddressList(wallet).setLabelSubaddress(wallet,
-            accountIndex: haven!.getCurrentAccount(wallet).id,
-            addressIndex: index,
-            label: label);
+            accountIndex: haven!.getCurrentAccount(wallet).id, addressIndex: index, label: label);
         await wallet.save();
       }
     }

lib/view_model/wallet_address_list/wallet_address_list_view_model.dart

@@ -12,6 +12,7 @@ import 'package:cake_wallet/haven/haven.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/solana/solana.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/store/dashboard/fiat_conversion_store.dart';
 import 'package:cake_wallet/store/settings_store.dart';
@@ -222,6 +223,22 @@ class ZanoURI extends PaymentURI {
   }
 }
 
+class DecredURI extends PaymentURI {
+  DecredURI({required String amount, required String address})
+      : super(amount: amount, address: address);
+
+  @override
+  String toString() {
+    var base = 'decred:' + address;
+
+    if (amount.isNotEmpty) {
+      base += '?amount=${amount.replaceAll(',', '.')}';
+    }
+
+    return base;
+  }
+}
+
 abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewModel with Store {
   WalletAddressListViewModelBase({
     required AppStore appStore,
@@ -313,7 +330,9 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
       case WalletType.wownero:
         return WowneroURI(amount: amount, address: address.address);
       case WalletType.zano:
-        return ZanoURI(amount: amount, address: address.address);
+         return ZanoURI(amount: amount, address: address.address);
+      case WalletType.decred:
+        return DecredURI(amount: amount, address: address.address);
       case WalletType.none:
         throw Exception('Unexpected type: ${type.toString()}');
     }
@@ -468,6 +487,14 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
       addressList.add(WalletAddressListItem(isPrimary: true, name: null, address: primaryAddress));
     }
 
+    if (wallet.type == WalletType.decred) {
+      final addrInfos = decred!.getAddressInfos(wallet);
+      addrInfos.forEach((info) {
+        addressList.add(new WalletAddressListItem(isPrimary: false, address: info.address,
+          name: info.label));
+      });
+    }
+
     for (var i = 0; i < addressList.length; i++) {
       if (!(addressList[i] is WalletAddressListItem)) continue;
       (addressList[i] as WalletAddressListItem).isHidden = wallet.walletAddresses.hiddenAddresses
@@ -561,7 +588,8 @@ abstract class WalletAddressListViewModelBase extends WalletChangeListenerViewMo
         WalletType.haven,
         WalletType.bitcoinCash,
         WalletType.bitcoin,
-        WalletType.litecoin
+        WalletType.litecoin,
+        WalletType.decred
       ].contains(wallet.type);
 
   @computed

lib/view_model/wallet_keys_view_model.dart

@@ -12,6 +12,7 @@ import 'package:cw_core/wallet_type.dart';
 import 'package:cw_monero/monero_wallet.dart';
 import 'package:flutter/foundation.dart';
 import 'package:mobx/mobx.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:polyseed/polyseed.dart';
 
 part 'wallet_keys_view_model.g.dart';
@@ -155,6 +156,12 @@ abstract class WalletKeysViewModelBase with Store {
             ),
         ]);
         break;
+      case WalletType.decred:
+        final pubkey = decred!.pubkey(_appStore.wallet!);
+        items.addAll([
+          StandartListItem(title: S.current.view_key_public, value: pubkey),
+        ]);
+        break;
       case WalletType.bitcoin:
       case WalletType.litecoin:
       case WalletType.bitcoinCash:
@@ -248,6 +255,8 @@ abstract class WalletKeysViewModelBase with Store {
         return 'wownero-wallet';
       case WalletType.zano:
         return 'zano-wallet';
+      case WalletType.decred:
+        return 'decred-wallet';
       default:
         throw Exception('Unexpected wallet type: ${_wallet.type.toString()}');
     }

lib/view_model/wallet_new_vm.dart

@@ -21,6 +21,7 @@ import 'package:cake_wallet/tron/tron.dart';
 import 'package:cake_wallet/view_model/seed_settings_view_model.dart';
 import 'package:cake_wallet/view_model/wallet_creation_vm.dart';
 import 'package:cake_wallet/wownero/wownero.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cw_core/wallet_base.dart';
 import 'package:cw_core/wallet_credentials.dart';
 import 'package:cw_core/wallet_info.dart';
@@ -83,6 +84,8 @@ abstract class WalletNewVMBase extends WalletCreationVM with Store {
         return 25;
       case WalletType.zano:
         return 26;
+      case WalletType.decred:
+        return 15;
     }
   }
 
@@ -170,6 +173,8 @@ abstract class WalletNewVMBase extends WalletCreationVM with Store {
           password: walletPassword,
           passphrase: passphrase,
         );
+      case WalletType.decred:
+        return decred!.createDecredNewWalletCredentials(name: name);
       case WalletType.none:
         throw Exception('Unexpected type: ${type.toString()}');
     }

lib/view_model/wallet_restore_view_model.dart

@@ -11,6 +11,7 @@ import 'package:cake_wallet/polygon/polygon.dart';
 import 'package:cake_wallet/solana/solana.dart';
 import 'package:cake_wallet/store/app_store.dart';
 import 'package:cake_wallet/tron/tron.dart';
+import 'package:cake_wallet/decred/decred.dart';
 import 'package:cake_wallet/view_model/restore/restore_mode.dart';
 import 'package:cake_wallet/view_model/restore/restore_wallet.dart';
 import 'package:cake_wallet/view_model/seed_settings_view_model.dart';
@@ -58,6 +59,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
       case WalletType.haven:
       case WalletType.ethereum:
       case WalletType.polygon:
+      case WalletType.decred:
         availableModes = [WalletRestoreMode.seed, WalletRestoreMode.keys];
         break;
       case WalletType.bitcoin:
@@ -77,6 +79,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
   }
 
   static const moneroSeedMnemonicLength = 25;
+  static const decredSeedMnemonicLength = 15;
 
   late List<WalletRestoreMode> availableModes;
   final bool hasSeedLanguageSelector;
@@ -171,11 +174,18 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
           );
         case WalletType.zano:
           return zano!.createZanoRestoreWalletFromSeedCredentials(
-            name: name, 
-            password: password, 
-            height: height, 
+            name: name,
+            password: password,
+            height: height,
             passphrase: passphrase??'',
-            mnemonic: seed);
+            mnemonic: seed,
+          );
+        case WalletType.decred:
+          return decred!.createDecredRestoreWalletFromSeedCredentials(
+              name: name,
+              mnemonic: seed,
+              password: password,
+          );
         case WalletType.none:
           break;
       }
@@ -251,6 +261,12 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
             password: password,
             language: 'English',
           );
+        case WalletType.decred:
+          return decred!.createDecredRestoreWalletFromPubkeyCredentials(
+            name: name,
+            password: password,
+            pubkey: viewKey!,
+          );
         default:
           break;
       }