feat: derivationinfo to address records

cw_bitcoin/lib/bitcoin_address_record.dart

@@ -6,7 +6,7 @@ abstract class BaseBitcoinAddressRecord {
   BaseBitcoinAddressRecord(
     this.address, {
     required this.index,
-    this.isChange = false,
+    bool isChange = false,
     int txCount = 0,
     int balance = 0,
     String name = '',
@@ -17,7 +17,8 @@ abstract class BaseBitcoinAddressRecord {
         _balance = balance,
         _name = name,
         _isUsed = isUsed,
-        _isHidden = isHidden ?? isChange;
+        _isHidden = isHidden ?? isChange,
+        _isChange = isChange;
 
   @override
   bool operator ==(Object o) => o is BaseBitcoinAddressRecord && address == o.address;
@@ -25,7 +26,8 @@ abstract class BaseBitcoinAddressRecord {
   final String address;
   final bool _isHidden;
   bool get isHidden => _isHidden;
-  bool isChange;
+  final bool _isChange;
+  bool get isChange => _isChange;
   final int index;
   int _txCount;
   int _balance;
@@ -55,9 +57,12 @@ abstract class BaseBitcoinAddressRecord {
 }
 
 class BitcoinAddressRecord extends BaseBitcoinAddressRecord {
+  final BitcoinDerivationInfo derivationInfo;
+
   BitcoinAddressRecord(
     super.address, {
     required super.index,
+    required this.derivationInfo,
     super.isHidden,
     super.isChange = false,
     super.txCount = 0,
@@ -81,6 +86,9 @@ class BitcoinAddressRecord extends BaseBitcoinAddressRecord {
     return BitcoinAddressRecord(
       decoded['address'] as String,
       index: decoded['index'] as int,
+      derivationInfo: BitcoinDerivationInfo.fromJSON(
+        decoded['derivationInfo'] as Map<String, dynamic>,
+      ),
       isHidden: decoded['isHidden'] as bool? ?? false,
       isChange: decoded['isChange'] as bool? ?? false,
       isUsed: decoded['isUsed'] as bool? ?? false,
@@ -101,6 +109,7 @@ class BitcoinAddressRecord extends BaseBitcoinAddressRecord {
   String toJSON() => json.encode({
         'address': address,
         'index': index,
+        'derivationInfo': derivationInfo.toJSON(),
         'isHidden': isHidden,
         'isChange': isChange,
         'isUsed': isUsed,
@@ -116,6 +125,8 @@ class BitcoinSilentPaymentAddressRecord extends BaseBitcoinAddressRecord {
   int get labelIndex => index;
   final String? labelHex;
 
+  static bool isChangeAddress(int labelIndex) => labelIndex == 0;
+
   BitcoinSilentPaymentAddressRecord(
     super.address, {
     required int labelIndex,
@@ -126,9 +137,9 @@ class BitcoinSilentPaymentAddressRecord extends BaseBitcoinAddressRecord {
     super.type = SilentPaymentsAddresType.p2sp,
     super.isHidden,
     this.labelHex,
-  }) : super(index: labelIndex, isChange: labelIndex == 0) {
+  }) : super(index: labelIndex, isChange: isChangeAddress(labelIndex)) {
     if (labelIndex != 1 && labelHex == null) {
-      throw ArgumentError('label must be provided for silent address index > 0');
+      throw ArgumentError('label must be provided for silent address index != 1');
     }
   }
 

cw_bitcoin/lib/bitcoin_hardware_wallet_service.dart

@@ -24,9 +24,14 @@ class BitcoinHardwareWalletService {
       final xpub = await bitcoinLedgerApp.getXPubKey(derivationPath: derivationPath);
       final bip32 = Bip32Slip10Secp256k1.fromExtendedKey(xpub).childKey(Bip32KeyIndex(0));
 
+      final fullPath = Bip32PathParser.parse(derivationPath).addElem(Bip32KeyIndex(0));
+
+      final address = ECPublic.fromBip32(bip32.derive(fullPath).publicKey)
+          .toP2wpkhAddress()
+          .toAddress(BitcoinNetwork.mainnet);
+
       accounts.add(HardwareAccountData(
-        address: P2wpkhAddress.fromBip32(bip32: bip32, isChange: false, index: i)
+        address: address,
-            .toAddress(BitcoinNetwork.mainnet),
         accountIndex: i,
         derivationPath: derivationPath,
         masterFingerprint: masterFp,

cw_bitcoin/lib/bitcoin_unspent.dart

@@ -32,7 +32,10 @@ class BitcoinUnspent extends Unspent {
 
   @override
   bool operator ==(Object o) {
-    print('BitcoinUnspent operator ==');
+    if (identical(this, o)) return true;
     return o is BitcoinUnspent && hash == o.hash && vout == o.vout;
   }
+
+  @override
+  int get hashCode => Object.hash(hash, vout);
 }

cw_bitcoin/lib/bitcoin_wallet.dart

@@ -360,7 +360,7 @@ abstract class BitcoinWalletBase extends ElectrumWallet with Store {
       updatedUnspentCoins.addAll(await fetchUnspent(address));
     }));
 
-    unspentCoins = updatedUnspentCoins.toSet();
+    unspentCoins.addAll(updatedUnspentCoins);
 
     if (unspentCoinsInfo.length != updatedUnspentCoins.length) {
       unspentCoins.forEach((coin) => addCoinInfo(coin));
@@ -1033,3 +1033,58 @@ Future<void> delegatedScan(ScanData scanData) async {
   //   );
   // }
 }
+
+class ScanNode {
+  final Uri uri;
+  final bool? useSSL;
+
+  ScanNode(this.uri, this.useSSL);
+}
+
+class ScanData {
+  final SendPort sendPort;
+  final SilentPaymentOwner silentAddress;
+  final int height;
+  final ScanNode? node;
+  final BasedUtxoNetwork network;
+  final int chainTip;
+  final List<String> transactionHistoryIds;
+  final Map<String, String> labels;
+  final List<int> labelIndexes;
+  final bool isSingleScan;
+
+  ScanData({
+    required this.sendPort,
+    required this.silentAddress,
+    required this.height,
+    required this.node,
+    required this.network,
+    required this.chainTip,
+    required this.transactionHistoryIds,
+    required this.labels,
+    required this.labelIndexes,
+    required this.isSingleScan,
+  });
+
+  factory ScanData.fromHeight(ScanData scanData, int newHeight) {
+    return ScanData(
+      sendPort: scanData.sendPort,
+      silentAddress: scanData.silentAddress,
+      height: newHeight,
+      node: scanData.node,
+      network: scanData.network,
+      chainTip: scanData.chainTip,
+      transactionHistoryIds: scanData.transactionHistoryIds,
+      labels: scanData.labels,
+      labelIndexes: scanData.labelIndexes,
+      isSingleScan: scanData.isSingleScan,
+    );
+  }
+}
+
+class SyncResponse {
+  final int height;
+  final SyncStatus syncStatus;
+
+  SyncResponse(this.height, this.syncStatus);
+}

cw_bitcoin/lib/bitcoin_wallet_addresses.dart

@@ -39,27 +39,44 @@ abstract class BitcoinWalletAddressesBase extends ElectrumWalletAddresses with S
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) {
     switch (addressType) {
       case P2pkhAddressType.p2pkh:
-        return P2pkhAddress.fromBip32(bip32: bip32, isChange: isChange, index: index);
+        return P2pkhAddress.fromDerivation(
-      case SegwitAddresType.p2tr:
-        return P2trAddress.fromBip32(bip32: bip32, isChange: isChange, index: index);
-      case SegwitAddresType.p2wsh:
-        return P2wshAddress.fromBip32(bip32: bip32, isChange: isChange, index: index);
-      case P2shAddressType.p2wpkhInP2sh:
-        return P2shAddress.fromBip32(
           bip32: bip32,
+          derivationInfo: derivationInfo,
+          isChange: isChange,
+          index: index,
+        );
+      case SegwitAddresType.p2tr:
+        return P2trAddress.fromDerivation(
+          bip32: bip32,
+          derivationInfo: derivationInfo,
+          isChange: isChange,
+          index: index,
+        );
+      case SegwitAddresType.p2wsh:
+        return P2wshAddress.fromDerivation(
+          bip32: bip32,
+          derivationInfo: derivationInfo,
+          isChange: isChange,
+          index: index,
+        );
+      case P2shAddressType.p2wpkhInP2sh:
+        return P2shAddress.fromDerivation(
+          bip32: bip32,
+          derivationInfo: derivationInfo,
           isChange: isChange,
           index: index,
           type: P2shAddressType.p2wpkhInP2sh,
         );
       case SegwitAddresType.p2wpkh:
-        return P2wpkhAddress.fromBip32(
+        return P2wpkhAddress.fromDerivation(
           bip32: bip32,
+          derivationInfo: derivationInfo,
           isChange: isChange,
           index: index,
-          isElectrum: false, // TODO:
         );
       default:
         throw ArgumentError('Invalid address type');

cw_bitcoin/lib/electrum_transaction_history.dart

@@ -4,11 +4,8 @@ import 'package:cw_core/encryption_file_utils.dart';
 import 'package:cw_bitcoin/electrum_transaction_info.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cw_core/transaction_history.dart';
-import 'package:cw_core/utils/file.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:mobx/mobx.dart';
-import 'package:cw_core/transaction_history.dart';
-import 'package:cw_bitcoin/electrum_transaction_info.dart';
 
 part 'electrum_transaction_history.g.dart';
 

cw_bitcoin/lib/electrum_wallet.dart

@@ -1,7 +1,6 @@
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
-import 'dart:isolate';
 
 import 'package:bitcoin_base/bitcoin_base.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -38,7 +37,6 @@ import 'package:flutter/foundation.dart';
 import 'package:hive/hive.dart';
 import 'package:ledger_flutter_plus/ledger_flutter_plus.dart' as ledger;
 import 'package:mobx/mobx.dart';
-import 'package:hex/hex.dart';
 import 'package:http/http.dart' as http;
 
 part 'electrum_wallet.g.dart';
@@ -69,7 +67,8 @@ abstract class ElectrumWalletBase
         _password = password,
         _isTransactionUpdating = false,
         isEnabledAutoGenerateSubaddress = true,
-        unspentCoins = {},
+        // TODO: inital unspent coins
+        unspentCoins = ObservableSet(),
         scripthashesListening = {},
         balance = ObservableMap<CryptoCurrency, ElectrumBalance>.of(currency != null
             ? {
@@ -221,8 +220,7 @@ abstract class ElectrumWalletBase
       );
 
   String _password;
-  @observable
+  ObservableSet<BitcoinUnspent> unspentCoins;
-  Set<BitcoinUnspent> unspentCoins;
 
   @observable
   TransactionPriorities? feeRates;
@@ -404,7 +402,7 @@ abstract class ElectrumWalletBase
 
   bool _isBelowDust(int amount) => amount <= _dustAmount && network != BitcoinNetwork.testnet;
 
-  UtxoDetails _createUTXOS({
+  TxCreateUtxoDetails _createUTXOS({
     required bool sendAll,
     required int credentialsAmount,
     required bool paysToSilentPayment,
@@ -484,13 +482,13 @@ abstract class ElectrumWalletBase
             .toHex();
       }
 
-      // TODO: isElectrum
+      if (utx.bitcoinAddressRecord is BitcoinAddressRecord) {
-      final derivationPath = BitcoinAddressUtils.getDerivationPath(
+        final derivationPath = (utx.bitcoinAddressRecord as BitcoinAddressRecord)
-        type: utx.bitcoinAddressRecord.type,
+            .derivationInfo
-        account: utx.bitcoinAddressRecord.isChange ? 1 : 0,
+            .derivationPath
-        index: utx.bitcoinAddressRecord.index,
+            .toString();
-      );
+        publicKeys[address.pubKeyHash()] = PublicKeyWithDerivationPath(pubKeyHex, derivationPath);
-      publicKeys[address.pubKeyHash()] = PublicKeyWithDerivationPath(pubKeyHex, derivationPath);
+      }
 
       utxos.add(
         UtxoWithAddress(
@@ -521,7 +519,7 @@ abstract class ElectrumWalletBase
       throw BitcoinTransactionNoInputsException();
     }
 
-    return UtxoDetails(
+    return TxCreateUtxoDetails(
       availableInputs: availableInputs,
       unconfirmedCoins: unconfirmedCoins,
       utxos: utxos,
@@ -662,11 +660,7 @@ abstract class ElectrumWalletBase
       isChange: true,
     ));
 
-    final changeDerivationPath = BitcoinAddressUtils.getDerivationPath(
+    final changeDerivationPath = changeAddress.derivationInfo.derivationPath.toString();
-      type: changeAddress.type,
-      account: changeAddress.isChange ? 1 : 0,
-      index: changeAddress.index,
-    );
     utxoDetails.publicKeys[address.pubKeyHash()] =
         PublicKeyWithDerivationPath('', changeDerivationPath);
 
@@ -1176,7 +1170,7 @@ abstract class ElectrumWalletBase
       updatedUnspentCoins.addAll(await fetchUnspent(address));
     }));
 
-    unspentCoins = updatedUnspentCoins.toSet();
+    unspentCoins.addAll(updatedUnspentCoins);
 
     if (unspentCoinsInfo.length != updatedUnspentCoins.length) {
       unspentCoins.forEach((coin) => addCoinInfo(coin));
@@ -1220,17 +1214,7 @@ abstract class ElectrumWalletBase
     final newUnspentCoins = (await fetchUnspent(addressRecord)).toSet();
     await updateCoins(newUnspentCoins);
 
-    print([1, unspentCoins.containsAll(newUnspentCoins)]);
+    unspentCoins.addAll(newUnspentCoins);
-    if (!unspentCoins.containsAll(newUnspentCoins)) {
-      newUnspentCoins.forEach((coin) {
-        print(unspentCoins.contains(coin));
-        print([coin.vout, coin.hash]);
-        print([unspentCoins.first.vout, unspentCoins.first.hash]);
-        if (!unspentCoins.contains(coin)) {
-          unspentCoins.add(coin);
-        }
-      });
-    }
 
     // if (unspentCoinsInfo.length != unspentCoins.length) {
     //   unspentCoins.forEach(addCoinInfo);
@@ -1400,7 +1384,7 @@ abstract class ElectrumWalletBase
           if (index + 1 <= script.length) {
             try {
               final opReturnData = script[index + 1].toString();
-              memo = utf8.decode(HEX.decode(opReturnData));
+              memo = StringUtils.decode(BytesUtils.fromHexString(opReturnData));
               continue;
             } catch (_) {
               throw Exception('Cannot decode OP_RETURN data');
@@ -1708,6 +1692,7 @@ abstract class ElectrumWalletBase
             isChange: addressRecord.isChange,
             gap: gapLimit,
             type: addressRecord.type,
+            derivationInfo: BitcoinAddressUtils.getDerivationFromType(addressRecord.type),
           );
         }
       }
@@ -1805,21 +1790,17 @@ abstract class ElectrumWalletBase
 
   @override
   Future<String> signMessage(String message, {String? address = null}) async {
-    Bip32Slip10Secp256k1 HD = bip32;
+    final record = walletAddresses.getFromAddresses(address!);
 
-    final record = walletAddresses.allAddresses.firstWhere((element) => element.address == address);
+    final path = Bip32PathParser.parse(walletInfo.derivationInfo!.derivationPath!)
+        .addElem(
+          Bip32KeyIndex(BitcoinAddressUtils.getAccountFromChange(record.isChange)),
+        )
+        .addElem(Bip32KeyIndex(record.index));
 
-    if (record.isChange) {
+    final priv = ECPrivate.fromHex(bip32.derive(path).privateKey.toHex());
-      HD = HD.childKey(Bip32KeyIndex(1));
-    } else {
-      HD = HD.childKey(Bip32KeyIndex(0));
-    }
 
-    HD = HD.childKey(Bip32KeyIndex(record.index));
+    final hexEncoded = priv.signMessage(StringUtils.encode(message));
-    final priv = ECPrivate.fromHex(HD.privateKey.privKey.toHex());
-
-    String messagePrefix = '\x18Bitcoin Signed Message:\n';
-    final hexEncoded = priv.signMessage(utf8.encode(message), messagePrefix: messagePrefix);
     final decodedSig = hex.decode(hexEncoded);
     return base64Encode(decodedSig);
   }
@@ -1835,7 +1816,7 @@ abstract class ElectrumWalletBase
     if (signature.endsWith('=')) {
       sigDecodedBytes = base64.decode(signature);
     } else {
-      sigDecodedBytes = hex.decode(signature);
+      sigDecodedBytes = BytesUtils.fromHexString(signature);
     }
 
     if (sigDecodedBytes.length != 64 && sigDecodedBytes.length != 65) {
@@ -1845,7 +1826,7 @@ abstract class ElectrumWalletBase
 
     String messagePrefix = '\x18Bitcoin Signed Message:\n';
     final messageHash = QuickCrypto.sha256Hash(
-        BitcoinSignerUtils.magicMessage(utf8.encode(message), messagePrefix));
+        BitcoinSignerUtils.magicMessage(StringUtils.encode(message), messagePrefix));
 
     List<int> correctSignature =
         sigDecodedBytes.length == 65 ? sigDecodedBytes.sublist(1) : List.from(sigDecodedBytes);
@@ -1911,14 +1892,14 @@ abstract class ElectrumWalletBase
 
         break;
       case ConnectionStatus.disconnected:
-        // if (syncStatus is! NotConnectedSyncStatus) {
+        if (syncStatus is! NotConnectedSyncStatus) {
-        //   syncStatus = NotConnectedSyncStatus();
+          syncStatus = NotConnectedSyncStatus();
-        // }
+        }
         break;
       case ConnectionStatus.failed:
-        // if (syncStatus is! LostConnectionSyncStatus) {
+        if (syncStatus is! LostConnectionSyncStatus) {
-        //   syncStatus = LostConnectionSyncStatus();
+          syncStatus = LostConnectionSyncStatus();
-        // }
+        }
         break;
       case ConnectionStatus.connecting:
         if (syncStatus is! ConnectingSyncStatus) {
@@ -1989,7 +1970,7 @@ abstract class ElectrumWalletBase
           if (index + 1 <= script.length) {
             try {
               final opReturnData = script[index + 1].toString();
-              final decodedString = utf8.decode(HEX.decode(opReturnData));
+              final decodedString = StringUtils.decode(BytesUtils.fromHexString(opReturnData));
               outputAddresses.add('OP_RETURN:$decodedString');
             } catch (_) {
               outputAddresses.add('OP_RETURN:');
@@ -2005,61 +1986,6 @@ abstract class ElectrumWalletBase
   }
 }
 
-class ScanNode {
-  final Uri uri;
-  final bool? useSSL;
-
-  ScanNode(this.uri, this.useSSL);
-}
-
-class ScanData {
-  final SendPort sendPort;
-  final SilentPaymentOwner silentAddress;
-  final int height;
-  final ScanNode? node;
-  final BasedUtxoNetwork network;
-  final int chainTip;
-  final List<String> transactionHistoryIds;
-  final Map<String, String> labels;
-  final List<int> labelIndexes;
-  final bool isSingleScan;
-
-  ScanData({
-    required this.sendPort,
-    required this.silentAddress,
-    required this.height,
-    required this.node,
-    required this.network,
-    required this.chainTip,
-    required this.transactionHistoryIds,
-    required this.labels,
-    required this.labelIndexes,
-    required this.isSingleScan,
-  });
-
-  factory ScanData.fromHeight(ScanData scanData, int newHeight) {
-    return ScanData(
-      sendPort: scanData.sendPort,
-      silentAddress: scanData.silentAddress,
-      height: newHeight,
-      node: scanData.node,
-      network: scanData.network,
-      chainTip: scanData.chainTip,
-      transactionHistoryIds: scanData.transactionHistoryIds,
-      labels: scanData.labels,
-      labelIndexes: scanData.labelIndexes,
-      isSingleScan: scanData.isSingleScan,
-    );
-  }
-}
-
-class SyncResponse {
-  final int height;
-  final SyncStatus syncStatus;
-
-  SyncResponse(this.height, this.syncStatus);
-}
-
 class EstimatedTxResult {
   EstimatedTxResult({
     required this.utxos,
@@ -2095,7 +2021,7 @@ class PublicKeyWithDerivationPath {
   final String publicKey;
 }
 
-class UtxoDetails {
+class TxCreateUtxoDetails {
   final List<BitcoinUnspent> availableInputs;
   final List<BitcoinUnspent> unconfirmedCoins;
   final List<UtxoWithAddress> utxos;
@@ -2106,7 +2032,7 @@ class UtxoDetails {
   final bool spendsSilentPayment;
   final bool spendsUnconfirmedTX;
 
-  UtxoDetails({
+  TxCreateUtxoDetails({
     required this.availableInputs,
     required this.unconfirmedCoins,
     required this.utxos,

cw_bitcoin/lib/electrum_wallet_addresses.dart

@@ -43,7 +43,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     int initialSilentAddressIndex = 0,
     List<BitcoinAddressRecord>? initialMwebAddresses,
     BitcoinAddressType? initialAddressPageType,
-  })  : _allAddresses = (initialAddresses ?? []).toSet(),
+  })  : _allAddresses = ObservableSet.of(initialAddresses ?? []),
         addressesByReceiveType =
             ObservableList<BaseBitcoinAddressRecord>.of((<BitcoinAddressRecord>[]).toSet()),
         receiveAddresses = ObservableList<BitcoinAddressRecord>.of(
@@ -63,11 +63,9 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
         mwebAddresses =
             ObservableList<BitcoinAddressRecord>.of((initialMwebAddresses ?? []).toSet()),
         super(walletInfo) {
-    silentAddress = SilentPaymentOwner.fromPrivateKeys(
+    // TODO: initial silent address, not every time
-      b_scan: ECPrivate.fromHex(bip32.derive(SCAN_PATH).privateKey.toHex()),
+    silentAddress = SilentPaymentOwner.fromBip32(bip32);
-      b_spend: ECPrivate.fromHex(bip32.derive(SPEND_PATH).privateKey.toHex()),
+
-      network: network,
-    );
     if (silentAddresses.length == 0) {
       silentAddresses.add(BitcoinSilentPaymentAddressRecord(
         silentAddress.toString(),
@@ -91,8 +89,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
   static const defaultChangeAddressesCount = 17;
   static const gap = 20;
 
-  @observable
+  final ObservableSet<BitcoinAddressRecord> _allAddresses;
-  final Set<BitcoinAddressRecord> _allAddresses;
   final ObservableList<BaseBitcoinAddressRecord> addressesByReceiveType;
   final ObservableList<BitcoinAddressRecord> receiveAddresses;
   final ObservableList<BitcoinAddressRecord> changeAddresses;
@@ -119,6 +116,10 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
   @computed
   List<BitcoinAddressRecord> get allAddresses => _allAddresses.toList();
 
+  BitcoinAddressRecord getFromAddresses(String address) {
+    return _allAddresses.firstWhere((element) => element.address == address);
+  }
+
   @override
   @computed
   String get address {
@@ -189,7 +190,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
   }
 
   @override
-  String get primaryAddress => getAddress(isChange: false, index: 0, addressType: addressPageType);
+  String get primaryAddress => _allAddresses.first.address;
 
   Map<String, int> currentReceiveAddressIndexByType;
 
@@ -250,7 +251,6 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     updateAddressesByMatch();
     updateReceiveAddresses();
     updateChangeAddresses();
-    _validateAddresses();
     await updateAddressesInBox();
 
     if (currentReceiveAddressIndex >= receiveAddresses.length) {
@@ -263,15 +263,13 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
   }
 
   @action
-  Future<BitcoinAddressRecord> getChangeAddress(
+  Future<BitcoinAddressRecord> getChangeAddress({
-      {List<BitcoinUnspent>? inputs, List<BitcoinOutput>? outputs, bool isPegIn = false}) async {
+    List<BitcoinUnspent>? inputs,
+    List<BitcoinOutput>? outputs,
+    bool isPegIn = false,
+  }) async {
     updateChangeAddresses();
 
-    if (changeAddresses.isEmpty) {
-      final newAddresses = await _createNewAddresses(gap, isChange: true);
-      addAddresses(newAddresses);
-    }
-
     if (currentChangeAddressIndex >= changeAddresses.length) {
       currentChangeAddressIndex = 0;
     }
@@ -326,13 +324,20 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     final newAddressIndex = addressesByReceiveType.fold(
         0, (int acc, addressRecord) => addressRecord.isChange == false ? acc + 1 : acc);
 
+    final derivationInfo = BitcoinAddressUtils.getDerivationFromType(addressPageType);
     final address = BitcoinAddressRecord(
-      getAddress(isChange: false, index: newAddressIndex, addressType: addressPageType),
+      getAddress(
+        isChange: false,
+        index: newAddressIndex,
+        addressType: addressPageType,
+        derivationInfo: derivationInfo,
+      ),
       index: newAddressIndex,
       isChange: false,
       name: label,
       type: addressPageType,
       network: network,
+      derivationInfo: BitcoinAddressUtils.getDerivationFromType(addressPageType),
     );
     _allAddresses.add(address);
     Future.delayed(Duration.zero, () => updateAddressesByMatch());
@@ -343,6 +348,7 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) {
     throw UnimplementedError();
   }
@@ -351,17 +357,28 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) {
-    return generateAddress(isChange: isChange, index: index, addressType: addressType)
+    return generateAddress(
-        .toAddress(network);
+      isChange: isChange,
+      index: index,
+      addressType: addressType,
+      derivationInfo: derivationInfo,
+    ).toAddress(network);
   }
 
   Future<String> getAddressAsync({
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) async =>
-      getAddress(isChange: isChange, index: index, addressType: addressType);
+      getAddress(
+        isChange: isChange,
+        index: index,
+        addressType: addressType,
+        derivationInfo: derivationInfo,
+      );
 
   @action
   void addBitcoinAddressTypes() {
@@ -551,23 +568,41 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     required bool isChange,
     required int gap,
     required BitcoinAddressType type,
+    required BitcoinDerivationInfo derivationInfo,
   }) async {
-    print("_allAddresses: ${_allAddresses.length}");
+    final newAddresses = await _createNewAddresses(
-    final newAddresses = await _createNewAddresses(gap, isChange: isChange, type: type);
+      gap,
+      isChange: isChange,
+      type: type,
+      derivationInfo: derivationInfo,
+    );
     addAddresses(newAddresses);
-    print("_allAddresses: ${_allAddresses.length}");
     return newAddresses;
   }
 
   @action
   Future<void> generateInitialAddresses({required BitcoinAddressType type}) async {
-    await discoverAddresses(isChange: false, gap: defaultReceiveAddressesCount, type: type);
+    // TODO: try all other derivations
-    await discoverAddresses(isChange: true, gap: defaultChangeAddressesCount, type: type);
+    final derivationInfo = BitcoinAddressUtils.getDerivationFromType(type);
+
+    await discoverAddresses(
+      isChange: false,
+      gap: defaultReceiveAddressesCount,
+      type: type,
+      derivationInfo: derivationInfo,
+    );
+    await discoverAddresses(
+      isChange: true,
+      gap: defaultChangeAddressesCount,
+      type: type,
+      derivationInfo: derivationInfo,
+    );
   }
 
   @action
   Future<List<BitcoinAddressRecord>> _createNewAddresses(
     int count, {
+    required BitcoinDerivationInfo derivationInfo,
     bool isChange = false,
     BitcoinAddressType? type,
   }) async {
@@ -580,11 +615,13 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
           isChange: isChange,
           index: i,
           addressType: type ?? addressPageType,
+          derivationInfo: derivationInfo,
         ),
         index: i,
         isChange: isChange,
         type: type ?? addressPageType,
         network: network,
+        derivationInfo: derivationInfo,
       );
       list.add(address);
     }
@@ -618,32 +655,6 @@ abstract class ElectrumWalletAddressesBase extends WalletAddresses with Store {
     updateAddressesByMatch();
   }
 
-  void _validateAddresses() {
-    _allAddresses.forEach((element) async {
-      if (element.type == SegwitAddresType.mweb) {
-        // this would add a ton of startup lag for mweb addresses since we have 1000 of them
-        return;
-      }
-      if (!element.isChange &&
-          element.address !=
-              await getAddressAsync(
-                isChange: false,
-                index: element.index,
-                addressType: element.type,
-              )) {
-        element.isChange = true;
-      } else if (element.isChange &&
-          element.address !=
-              await getAddressAsync(
-                isChange: true,
-                index: element.index,
-                addressType: element.type,
-              )) {
-        element.isChange = false;
-      }
-    });
-  }
-
   @action
   Future<void> setAddressType(BitcoinAddressType type) async {
     _addressPageType = type;

cw_bitcoin/lib/electrum_wallet_snapshot.dart

@@ -3,7 +3,6 @@ import 'package:bitcoin_base/bitcoin_base.dart';
 import 'package:cw_bitcoin/bitcoin_address_record.dart';
 import 'package:cw_bitcoin/electrum_balance.dart';
 import 'package:cw_core/encryption_file_utils.dart';
-import 'package:cw_bitcoin/electrum_derivations.dart';
 import 'package:cw_core/pathForWallet.dart';
 import 'package:cw_core/wallet_info.dart';
 import 'package:cw_core/wallet_type.dart';
@@ -92,7 +91,7 @@ class ElectrumWalletSnapshot {
 
     final derivationType = DerivationType
         .values[(data['derivationTypeIndex'] as int?) ?? DerivationType.electrum.index];
-    final derivationPath = data['derivationPath'] as String? ?? electrum_path;
+    final derivationPath = data['derivationPath'] as String? ?? ELECTRUM_PATH;
 
     try {
       regularAddressIndexByType = {

cw_bitcoin/lib/litecoin_hardware_wallet_service.dart

@@ -28,7 +28,12 @@ class LitecoinHardwareWalletService {
       final bip32 =
           Bip32Slip10Secp256k1.fromExtendedKey(xpub, xpubVersion).childKey(Bip32KeyIndex(0));
 
-      final address = P2wpkhAddress.fromBip32(bip32: bip32, isChange: false, index: 0);
+      final address = P2wpkhAddress.fromDerivation(
+        bip32: bip32,
+        derivationInfo: BitcoinDerivationInfos.LITECOIN,
+        isChange: false,
+        index: 0,
+      );
 
       accounts.add(HardwareAccountData(
         address: address.toAddress(LitecoinNetwork.mainnet),

cw_bitcoin/lib/litecoin_wallet.dart

@@ -21,7 +21,6 @@ import 'package:cw_bitcoin/bitcoin_transaction_priority.dart';
 import 'package:cw_bitcoin/bitcoin_unspent.dart';
 import 'package:cw_bitcoin/electrum_transaction_info.dart';
 import 'package:cw_bitcoin/pending_bitcoin_transaction.dart';
-import 'package:cw_bitcoin/electrum_derivations.dart';
 import 'package:cw_core/encryption_file_utils.dart';
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/pending_transaction.dart';
@@ -243,7 +242,7 @@ abstract class LitecoinWalletBase extends ElectrumWallet with Store {
     walletInfo.derivationInfo ??= DerivationInfo();
 
     // set the default if not present:
-    walletInfo.derivationInfo!.derivationPath ??= snp?.derivationPath ?? electrum_path;
+    walletInfo.derivationInfo!.derivationPath ??= snp?.derivationPath ?? ELECTRUM_PATH;
     walletInfo.derivationInfo!.derivationType ??= snp?.derivationType ?? DerivationType.electrum;
 
     Uint8List? seedBytes = null;
@@ -435,13 +434,7 @@ abstract class LitecoinWalletBase extends ElectrumWallet with Store {
 
   @action
   @override
-  Future<void> rescan({
+  Future<void> rescan({required int height}) async {
-    required int height,
-    int? chainTip,
-    ScanData? scanData,
-    bool? doSingleScan,
-    bool? usingElectrs,
-  }) async {
     _syncTimer?.cancel();
     await walletInfo.updateRestoreHeight(height);
 

cw_bitcoin/lib/litecoin_wallet_addresses.dart

@@ -103,6 +103,7 @@ abstract class LitecoinWalletAddressesBase extends ElectrumWalletAddresses with
                 index: e.key,
                 type: SegwitAddresType.mweb,
                 network: network,
+                derivationInfo: BitcoinAddressUtils.getDerivationFromType(SegwitAddresType.p2wpkh),
               ))
           .toList();
       addMwebAddresses(addressRecords);
@@ -121,12 +122,18 @@ abstract class LitecoinWalletAddressesBase extends ElectrumWalletAddresses with
       required bool isChange,
       required int index,
       required BitcoinAddressType addressType,
+      required BitcoinDerivationInfo derivationInfo,
     }) {
       if (addressType == SegwitAddresType.mweb) {
         return MwebAddress.fromAddress(address: mwebAddrs[0], network: network);
       }
 
-      return P2wpkhAddress.fromBip32(bip32: bip32, isChange: isChange, index: index);
+      return P2wpkhAddress.fromDerivation(
+        bip32: bip32,
+        derivationInfo: derivationInfo,
+        isChange: isChange,
+        index: index,
+      );
     }
   }
 
@@ -135,12 +142,18 @@ abstract class LitecoinWalletAddressesBase extends ElectrumWalletAddresses with
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) async {
     if (addressType == SegwitAddresType.mweb) {
       await ensureMwebAddressUpToIndexExists(index);
     }
 
-    return getAddress(isChange: isChange, index: index, addressType: addressType);
+    return getAddress(
+      isChange: isChange,
+      index: index,
+      addressType: addressType,
+      derivationInfo: derivationInfo,
+    );
   }
 
   @action
@@ -194,6 +207,7 @@ abstract class LitecoinWalletAddressesBase extends ElectrumWalletAddresses with
         index: 0,
         type: SegwitAddresType.mweb,
         network: network,
+        derivationInfo: BitcoinAddressUtils.getDerivationFromType(SegwitAddresType.p2wpkh),
       );
     }
 

cw_bitcoin/pubspec.lock

@@ -411,10 +411,10 @@ packages:
     dependency: transitive
     description:
       name: google_identity_services_web
-      sha256: "5be191523702ba8d7a01ca97c17fca096822ccf246b0a9f11923a6ded06199b6"
+      sha256: "0c56c2c5d60d6dfaf9725f5ad4699f04749fb196ee5a70487a46ef184837ccf6"
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.1+4"
+    version: "0.3.0+2"
   googleapis_auth:
     dependency: transitive
     description:
@@ -467,10 +467,10 @@ packages:
     dependency: "direct main"
     description:
       name: http
-      sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010
+      sha256: a2bbf9d017fcced29139daa8ed2bba4ece450ab222871df93ca9eec6f80c34ba
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.2"
+    version: "1.2.0"
   http2:
     dependency: transitive
     description:
@@ -845,10 +845,10 @@ packages:
     dependency: transitive
     description:
       name: shared_preferences_web
-      sha256: "59dc807b94d29d52ddbb1b3c0d3b9d0a67fc535a64e62a5542c8db0513fcb6c2"
+      sha256: "7b15ffb9387ea3e237bb7a66b8a23d2147663d391cafc5c8f37b2e7b4bde5d21"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.1"
+    version: "2.2.2"
   shared_preferences_windows:
     dependency: transitive
     description:
@@ -1041,18 +1041,18 @@ packages:
     dependency: transitive
     description:
       name: web
-      sha256: "97da13628db363c635202ad97068d47c5b8aa555808e7a9411963c533b449b27"
+      sha256: "4188706108906f002b3a293509234588823c8c979dc83304e229ff400c996b05"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.1"
+    version: "0.4.2"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      sha256: "58c6666b342a38816b2e7e50ed0f1e261959630becd4c879c4f26bfa14aa5a42"
+      sha256: "939ab60734a4f8fa95feacb55804fa278de28bdeef38e616dc08e44a84adea23"
       url: "https://pub.dev"
     source: hosted
-    version: "2.4.5"
+    version: "2.4.3"
   xdg_directories:
     dependency: transitive
     description:

cw_bitcoin_cash/lib/src/bitcoin_cash_wallet.dart

@@ -153,6 +153,7 @@ abstract class BitcoinCashWalletBase extends ElectrumWallet with Store {
             isChange: addr.isChange,
             type: P2pkhAddressType.p2pkh,
             network: BitcoinCashNetwork.mainnet,
+            derivationInfo: BitcoinAddressUtils.getDerivationFromType(P2pkhAddressType.p2pkh),
           );
         } catch (_) {
           return BitcoinAddressRecord(
@@ -161,6 +162,7 @@ abstract class BitcoinCashWalletBase extends ElectrumWallet with Store {
             isChange: addr.isChange,
             type: P2pkhAddressType.p2pkh,
             network: BitcoinCashNetwork.mainnet,
+            derivationInfo: BitcoinAddressUtils.getDerivationFromType(P2pkhAddressType.p2pkh),
           );
         }
       }).toList(),

cw_bitcoin_cash/lib/src/bitcoin_cash_wallet_addresses.dart

@@ -24,6 +24,12 @@ abstract class BitcoinCashWalletAddressesBase extends ElectrumWalletAddresses wi
     required bool isChange,
     required int index,
     required BitcoinAddressType addressType,
+    required BitcoinDerivationInfo derivationInfo,
   }) =>
-      P2pkhAddress.fromBip32(bip32: bip32, isChange: isChange, index: index);
+      P2pkhAddress.fromDerivation(
+        bip32: bip32,
+        derivationInfo: derivationInfo,
+        isChange: isChange,
+        index: index,
+      );
 }

cw_core/lib/wallet_info.dart

@@ -189,16 +189,13 @@ class WalletInfo extends HiveObject {
 
   @HiveField(22)
   String? parentAddress;
-  
+
   @HiveField(23)
   List<String>? hiddenAddresses;
 
   @HiveField(24)
   List<String>? manualAddresses;
 
-  
-
-
   String get yatLastUsedAddress => yatLastUsedAddressRaw ?? '';
 
   set yatLastUsedAddress(String address) {