feat: bip39 decred

cw_decred/lib/api/libdcrwallet.dart

@@ -182,7 +182,7 @@ class Libwallet {
             final cName = name.toCString();
             final cSignReq = signReq.toCString();
             res = executePayloadFn(
-              fn: () => dcrwalletApi.createSignedTransaction(cName, cSignReq),
+              fn: () => dcrwalletApi.createTransaction(cName, cSignReq),
               ptrsToFree: [cName, cSignReq],
             );
             break;

cw_decred/lib/wallet.dart

@@ -404,11 +404,11 @@ abstract class DecredWalletBase
       "feerate": creds.feeRate ?? defaultFeeRate,
       "password": _password,
       "sendall": sendAll,
+      "sign": true,
     };
     final res = await _libwallet.createSignedTransaction(walletInfo.name, jsonEncode(signReq));
     final decoded = json.decode(res);
-    final signedHex = decoded["signedhex"];
-
+    final signedHex = decoded["hex"];
     final send = () async {
       await _libwallet.sendRawTransaction(walletInfo.name, signedHex);
       await updateBalance();

cw_decred/lib/wallet_creation_credentials.dart

@@ -3,17 +3,19 @@ import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/hardware/hardware_account_data.dart';
 
 class DecredNewWalletCredentials extends WalletCredentials {
-  DecredNewWalletCredentials({required String name, WalletInfo? walletInfo})
-      : super(name: name, walletInfo: walletInfo);
+  DecredNewWalletCredentials(
+      {required String name, String? password, String? passphrase, WalletInfo? walletInfo})
+      : super(name: name, password: password, passphrase: passphrase, walletInfo: walletInfo);
 }
 
 class DecredRestoreWalletFromSeedCredentials extends WalletCredentials {
   DecredRestoreWalletFromSeedCredentials(
       {required String name,
       required String password,
       required this.mnemonic,
+      String? passphrase,
       WalletInfo? walletInfo})
-      : super(name: name, password: password, walletInfo: walletInfo);
+      : super(name: name, password: password, passphrase: passphrase, walletInfo: walletInfo);
 
   final String mnemonic;
 }

cw_decred/lib/wallet_service.dart

@@ -1,5 +1,6 @@
 import 'dart:convert';
 import 'dart:io';
+import 'package:bip39/bip39.dart' as bip39;
 import 'package:cw_decred/api/libdcrwallet.dart';
 import 'package:cw_decred/wallet_creation_credentials.dart';
 import 'package:cw_decred/wallet.dart';
@@ -58,10 +59,15 @@ class DecredWalletService extends WalletService<
     await this.init();
     final dirPath = await pathForWalletDir(name: credentials.walletInfo!.name, type: getType());
     final network = isTestnet == true ? testnet : mainnet;
+    final strength = credentials.seedPhraseLength == 24 ? 256 : 128;
+    final mnemonic = bip39.generateMnemonic(strength: strength);
     final config = {
       "name": credentials.walletInfo!.name,
       "datadir": dirPath,
       "pass": credentials.password!,
+      "mnemonic": mnemonic,
+      "seedpass": credentials.passphrase ?? "",
+      "birthday": DateTime.now().millisecondsSinceEpoch ~/ 1000,
       "net": network,
       "unsyncedaddrs": true,
     };
@@ -209,6 +215,7 @@ class DecredWalletService extends WalletService<
       "datadir": dirPath,
       "pass": credentials.password!,
       "mnemonic": credentials.mnemonic,
+      "seedpass": credentials.passphrase ?? "",
       "net": network,
       "unsyncedaddrs": true,
     };

cw_decred/pubspec.lock

@@ -50,6 +50,14 @@ packages:
       url: "https://github.com/cake-tech/bech32.git"
     source: git
     version: "0.2.2"
+  bip39:
+    dependency: "direct main"
+    description:
+      name: bip39
+      sha256: de1ee27ebe7d96b84bb3a04a4132a0a3007dcdd5ad27dd14aa87a29d97c45edc
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.6"
   blockchain_utils:
     dependency: transitive
     description:
@@ -301,6 +309,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.2"
+  hex:
+    dependency: transitive
+    description:
+      name: hex
+      sha256: "4e7cd54e4b59ba026432a6be2dd9d96e4c5205725194997193bf871703b82c4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
   hive:
     dependency: "direct dev"
     description:

cw_decred/pubspec.yaml

@@ -12,6 +12,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  bip39: ^1.0.6
   cw_core:
     path: ../cw_core
 

lib/core/wallet_creation_service.dart

@@ -85,14 +85,14 @@ class WalletCreationService {
       case WalletType.dogecoin:
       case WalletType.nano:
       case WalletType.zcash:
+      case WalletType.decred:
         return true;
       case WalletType.monero:
       case WalletType.wownero:
       case WalletType.none:
       case WalletType.haven:
       case WalletType.banano:
       case WalletType.zano:
-      case WalletType.decred:
         return false;
     }
   }

lib/decred/cw_decred.dart

@@ -5,13 +5,18 @@ class CWDecred extends Decred {
 
   @override
   WalletCredentials createDecredNewWalletCredentials(
-          {required String name, WalletInfo? walletInfo}) =>
-      DecredNewWalletCredentials(name: name, walletInfo: walletInfo);
+          {required String name, String? password, String? passphrase, WalletInfo? walletInfo}) =>
+      DecredNewWalletCredentials(
+          name: name, password: password, passphrase: passphrase, walletInfo: walletInfo);
 
   @override
   WalletCredentials createDecredRestoreWalletFromSeedCredentials(
-          {required String name, required String mnemonic, required String password}) =>
-      DecredRestoreWalletFromSeedCredentials(name: name, mnemonic: mnemonic, password: password);
+          {required String name,
+          required String mnemonic,
+          required String password,
+          String? passphrase}) =>
+      DecredRestoreWalletFromSeedCredentials(
+          name: name, mnemonic: mnemonic, password: password, passphrase: passphrase);
 
   @override
   WalletCredentials createDecredRestoreWalletFromPubkeyCredentials(

lib/src/screens/restore/wallet_restore_page.dart

@@ -625,7 +625,7 @@ class _WalletRestorePageBodyState extends State<_WalletRestorePageBody>
     }
 
     if ((walletRestoreViewModel.type == WalletType.decred) &&
-        seedWords.length != WalletRestoreViewModelBase.decredSeedMnemonicLength) {
+        ![12, 15, 24].contains(seedWords.length)) {
       return false;
     }
 

lib/view_model/advanced_privacy_settings_view_model.dart

@@ -59,6 +59,7 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
       case WalletType.solana:
       case WalletType.tron:
       case WalletType.zcash:
+      case WalletType.decred:
         return true;
 
       case WalletType.bitcoin:
@@ -74,7 +75,6 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
       case WalletType.none:
       case WalletType.haven:
       case WalletType.zano:
-      case WalletType.decred:
         return false;
     }
   }
@@ -107,7 +107,8 @@ abstract class AdvancedPrivacySettingsViewModelBase with Store {
         WalletType.zano,
         WalletType.dogecoin,
         WalletType.zcash,
-      ].contains(type);
+        WalletType.decred,
+    ].contains(type);
 
   @computed
   bool get addCustomNode => _addCustomNode;

lib/view_model/wallet_new_vm.dart

@@ -148,7 +148,8 @@ abstract class WalletNewVMBase extends WalletCreationVM with Store {
           passphrase: passphrase,
         );
       case WalletType.decred:
-        return decred!.createDecredNewWalletCredentials(name: name);
+        return decred!.createDecredNewWalletCredentials(
+            name: name, password: walletPassword, passphrase: passphrase);
       case WalletType.none:
       case WalletType.haven:
         throw Exception('Unexpected type: ${type.toString()}');

lib/view_model/wallet_restore_view_model.dart

@@ -212,6 +212,7 @@ abstract class WalletRestoreViewModelBase extends WalletCreationVM with Store {
             name: name,
             mnemonic: seed,
             password: password,
+            passphrase: passphrase,
           );
         case WalletType.zcash:
           return zcash!.createZcashRestoreWalletFromSeedCredentials(

scripts/android/build_decred.sh

@@ -7,7 +7,7 @@ cd "$(dirname "$0")"
 CW_DECRED_DIR=$(realpath ../..)/cw_decred
 LIBWALLET_PATH="${PWD}/decred/libwallet"
 LIBWALLET_URL="https://github.com/decred/libwallet.git"
-LIBWALLET_VERSION="05f8d7374999400fe4d525eb365c39b77d307b14"
+LIBWALLET_VERSION="ecc4a5fb9594368777848de42d7e072d62406507"
 
 if [[ -e $LIBWALLET_PATH ]]; then
     rm -fr $LIBWALLET_PATH || true

scripts/ios/build_decred.sh

@@ -3,7 +3,7 @@ set -e
 . ./config.sh
 LIBWALLET_PATH="${EXTERNAL_IOS_SOURCE_DIR}/libwallet"
 LIBWALLET_URL="https://github.com/decred/libwallet.git"
-LIBWALLET_VERSION="05f8d7374999400fe4d525eb365c39b77d307b14"
+LIBWALLET_VERSION="ecc4a5fb9594368777848de42d7e072d62406507"
 
 if [[ -e $LIBWALLET_PATH ]]; then
     rm -fr $LIBWALLET_PATH

tool/configure.dart

@@ -1252,9 +1252,9 @@ import 'package:cw_decred/mnemonic.dart';
 
 abstract class Decred {
   WalletCredentials createDecredNewWalletCredentials(
-      {required String name, WalletInfo? walletInfo});
+      {required String name, String? password, String? passphrase, WalletInfo? walletInfo});
   WalletCredentials createDecredRestoreWalletFromSeedCredentials(
-      {required String name, required String mnemonic, required String password});
+      {required String name, required String mnemonic, required String password, String? passphrase});
   WalletCredentials createDecredRestoreWalletFromPubkeyCredentials(
       {required String name, required String pubkey, required String password});
   WalletService createDecredWalletService(Box<UnspentCoinsInfo> unspentCoinSource);