refactor of money utils with new money2 package

frontend/pshared/lib/data/mapper/money.dart

@@ -1,17 +1,20 @@
+import 'package:money2/money2.dart';
+
 import 'package:pshared/data/dto/money.dart';
-import 'package:pshared/models/money.dart';
+import 'package:pshared/utils/money.dart';
 
 
 extension MoneyMapper on Money {
-  MoneyDTO toDTO() => MoneyDTO(
+  MoneyDTO toDTO() =>
-    amount: amount,
+      MoneyDTO(amount: toDecimal().toString(), currency: currency.isoCode);
-    currency: currency,
-  );
 }
 
 extension MoneyDTOMapper on MoneyDTO {
-  Money toDomain() => Money(
+  Money toDomain() {
-    amount: amount,
+    final parsed = parseMoneyWithCurrencyCode(amount, currency);
-    currency: currency,
+    if (parsed == null) {
-  );
+      throw FormatException('Invalid money dto: $currency $amount');
+    }
+    return parsed;
+  }
 }

frontend/pshared/lib/data/mapper/wallet/chain_asset.dart

@@ -1,18 +0,0 @@
-import 'package:pshared/data/dto/wallet/chain_asset.dart';
-import 'package:pshared/data/mapper/payment/enums.dart';
-import 'package:pshared/models/wallet/chain_asset.dart';
-
-
-extension ChainAssetDTOMapper on ChainAssetDTO {
-  ChainAsset toDomain() => ChainAsset(
-    chain: chainNetworkFromValue(chain),
-    tokenSymbol: tokenSymbol,
-  );
-}
-
-extension ChainAssetMapper on ChainAsset {
-  ChainAssetDTO toDTO() => ChainAssetDTO(
-    chain: chainNetworkToValue(chain),
-    tokenSymbol: tokenSymbol,
-  );
-}

frontend/pshared/lib/data/mapper/wallet/ui.dart

@@ -1,16 +1,13 @@
 import 'package:pshared/models/wallet/wallet.dart' as domain;
 import 'package:pshared/models/payment/wallet.dart';
 import 'package:pshared/utils/currency.dart';
-import 'package:pshared/utils/money.dart';
 
 
 extension WalletUiMapper on domain.WalletModel {
   Wallet toUi() => Wallet(
     id: walletRef,
     walletUserID: walletRef,
-    balance: parseMoneyAmount(
+    balance: availableMoney?.toDouble() ?? balance?.available?.toDouble() ?? 0,
-      availableMoney?.amount ?? balance?.available?.amount,
-    ),
     currency: currencyStringToCode(asset.tokenSymbol),
     calculatedAt: balance?.calculatedAt ?? DateTime.now(),
     depositAddress: depositAddress,

frontend/pshared/lib/data/mapper/wallet/wallet.dart

@@ -16,15 +16,19 @@ extension WalletDTOMapper on WalletDTO {
     depositAddress: depositAddress,
     status: status,
     metadata: metadata,
-    createdAt: (createdAt == null || createdAt!.isEmpty) ? null : DateTime.tryParse(createdAt!),
+    createdAt: (createdAt == null || createdAt!.isEmpty)
-    updatedAt: (updatedAt == null || updatedAt!.isEmpty) ? null : DateTime.tryParse(updatedAt!),
+        ? null
+        : DateTime.tryParse(createdAt!),
+    updatedAt: (updatedAt == null || updatedAt!.isEmpty)
+        ? null
+        : DateTime.tryParse(updatedAt!),
     balance: balance?.toDomain(),
     availableMoney: balance?.available?.toDomain(),
     describable: newDescribable(
       name: name.isNotEmpty ? name : (metadata?['name']?.toString() ?? ''),
       description: (description != null && description!.isNotEmpty)
-        ? description
+          ? description
-        : metadata?['description'],
+          : metadata?['description'],
     ),
   );
 }

frontend/pshared/lib/models/asset.dart

@@ -1,18 +0,0 @@
-import 'package:pshared/models/currency.dart';
-import 'package:pshared/utils/currency.dart';
-
-
-class Asset {
-  final Currency currency;
-  final double amount;
-
-  const Asset({
-    required this.currency,
-    required this.amount,
-  });
-}
-
-Asset createAsset(String currencyCode, String amount) => Asset(
-  currency: currencyStringToCode(currencyCode),
-  amount: double.parse(amount),
-);

frontend/pshared/lib/models/currency.dart

@@ -1 +1 @@
-enum Currency {usd, eur, rub, usdt, usdc}
+enum CurrencyCode {usd, eur, rub, usdt, usdc}

frontend/pshared/lib/models/ledger/balance.dart

@@ -1,4 +1,4 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 
 
 class LedgerBalance {

frontend/pshared/lib/models/money.dart

@@ -1,9 +0,0 @@
-class Money {
-  final String amount;
-  final String currency;
-
-  const Money({
-    required this.amount,
-    required this.currency,
-  });
-}

frontend/pshared/lib/models/payment/execution_operation.dart

@@ -1,4 +1,4 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 
 
 class PaymentExecutionOperation {

frontend/pshared/lib/models/payment/fees/line.dart

@@ -1,4 +1,4 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 
 
 class FeeLine {

frontend/pshared/lib/models/payment/fx/quote.dart

@@ -1,4 +1,5 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
+
 
 class FxQuote {
   final String? quoteRef;

frontend/pshared/lib/models/payment/intent.dart

@@ -1,11 +1,13 @@
+import 'package:money2/money2.dart';
+
 import 'package:pshared/models/payment/fees/treatment.dart';
 import 'package:pshared/models/payment/fx/intent.dart';
 import 'package:pshared/models/payment/kind.dart';
 import 'package:pshared/models/payment/customer.dart';
 import 'package:pshared/models/payment/methods/data.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/settlement_mode.dart';
 
+
 class PaymentIntent {
   final PaymentKind kind;
   final String? sourceRef;

frontend/pshared/lib/models/payment/quote/amounts.dart

@@ -1,4 +1,5 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
+
 
 class QuoteAmounts {
   final Money? sourcePrincipal;

frontend/pshared/lib/models/payment/wallet.dart

@@ -7,7 +7,7 @@ class Wallet implements Describable {
   final String id;
   final String walletUserID; // ID or number that we show the user
   final double balance;
-  final Currency currency;
+  final CurrencyCode currency;
   final DateTime calculatedAt;
   final String? depositAddress;
   final ChainNetwork? network;

frontend/pshared/lib/models/wallet/asset.dart

@@ -1,12 +1,14 @@
-import 'package:pshared/models/wallet/chain_asset.dart';
+import 'package:pshared/models/payment/chain_network.dart';
 
 
-class WalletAsset extends ChainAsset {
+class WalletAsset {
+  final ChainNetwork chain;
+  final String tokenSymbol;
   final String contractAddress;
 
   const WalletAsset({
-    required super.chain,
+    required this.chain,
-    required super.tokenSymbol,
+    required this.tokenSymbol,
     required this.contractAddress,
   });
 }

frontend/pshared/lib/models/wallet/balance.dart

@@ -1,4 +1,4 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 
 
 class WalletBalance {

frontend/pshared/lib/models/wallet/chain_asset.dart

@@ -1,12 +0,0 @@
-import 'package:pshared/models/payment/chain_network.dart';
-
-
-class ChainAsset {
-  final ChainNetwork chain;
-  final String tokenSymbol;
-
-  const ChainAsset({
-    required this.chain,
-    required this.tokenSymbol,
-  });
-}

frontend/pshared/lib/models/wallet/wallet.dart

@@ -1,5 +1,5 @@
 import 'package:pshared/models/describable.dart';
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 import 'package:pshared/models/wallet/asset.dart';
 import 'package:pshared/models/wallet/balance.dart';
 
@@ -39,9 +39,7 @@ class WalletModel implements Describable {
     required this.describable,
   });
 
-  WalletModel copyWith({
+  WalletModel copyWith({Describable? describable}) => WalletModel(
-    Describable? describable,
-  }) => WalletModel(
     walletRef: walletRef,
     organizationRef: organizationRef,
     ownerRef: ownerRef,

frontend/pshared/lib/provider/ledger.dart

@@ -15,6 +15,7 @@ import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/ledger.dart';
 import 'package:pshared/utils/exception.dart';
 
+
 class LedgerAccountsProvider with ChangeNotifier {
   final LedgerService _service;
   OrganizationsProvider? _organizations;
@@ -179,7 +180,7 @@ class LedgerAccountsProvider with ChangeNotifier {
 
   Future<void> create({
     required Describable describable,
-    required Currency currency,
+    required CurrencyCode currency,
     String? ownerRef,
   }) async {
     final org = _organizations;

frontend/pshared/lib/provider/payment/quotation/intent_builder.dart

@@ -1,3 +1,5 @@
+import 'package:money2/money2.dart';
+
 import 'package:pshared/controllers/payment/source.dart';
 import 'package:pshared/models/payment/asset.dart';
 import 'package:pshared/models/payment/chain_network.dart';
@@ -13,19 +15,18 @@ import 'package:pshared/models/payment/methods/data.dart';
 import 'package:pshared/models/payment/methods/ledger.dart';
 import 'package:pshared/models/payment/methods/managed_wallet.dart';
 import 'package:pshared/models/payment/methods/type.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/settlement_mode.dart';
 import 'package:pshared/models/payment/intent.dart';
 import 'package:pshared/models/recipient/recipient.dart';
 import 'package:pshared/provider/payment/amount.dart';
 import 'package:pshared/provider/payment/flow.dart';
 import 'package:pshared/provider/recipient/provider.dart';
+import 'package:pshared/utils/currency.dart';
 import 'package:pshared/utils/payment/fx_helpers.dart';
 
 
 class QuotationIntentBuilder {
   static const String _settlementCurrency = 'RUB';
-  static const String _addressBookCustomerFallbackId = 'address_book_customer';
 
   PaymentIntent? build({
     required PaymentAmountProvider payment,
@@ -38,10 +39,9 @@ class QuotationIntentBuilder {
     final paymentData = flow.selectedPaymentData;
     final selectedMethod = flow.selectedMethod;
     final amountValue = payment.amount;
-    if (sourceMethod == null || sourceCurrency == null || paymentData == null) {
+    if (sourceCurrency == null) {
       return null;
     }
-    if (amountValue == null) return null;
 
     final customer = _buildCustomer(
       recipient: recipients.currentObject,
@@ -51,22 +51,22 @@ class QuotationIntentBuilder {
     final amountCurrency = payment.settlementMode == SettlementMode.fixReceived
         ? _settlementCurrency
         : sourceCurrency;
-    final amount = Money(
+    final currency = money2CurrencyFromCode(amountCurrency);
-      amount: amountValue.toString(),
+    if (currency == null) return null;
-      currency: amountCurrency,
+    final amount = amountValue == null
-    );
+        ? null
+        : Money.fromNumWithCurrency(amountValue, currency);
     final isLedgerSource = source.selectedLedgerAccount != null;
     final isCryptoToCrypto =
         paymentData is CryptoAddressPaymentMethod &&
         (paymentData.asset?.tokenSymbol ?? '').trim().toUpperCase() ==
-            amount.currency;
+            sourceCurrency.trim().toUpperCase();
     final fxIntent = _buildFxIntent(
       sourceCurrency: sourceCurrency,
       settlementMode: payment.settlementMode,
       isLedgerSource: isLedgerSource,
       enabled: !isCryptoToCrypto,
     );
-    final comment = _resolveComment(payment.comment);
     return PaymentIntent(
       kind: PaymentKind.payout,
       amount: amount,
@@ -77,7 +77,7 @@ class QuotationIntentBuilder {
           ? FeeTreatment.addToSource
           : FeeTreatment.deductFromDestination,
       settlementMode: payment.settlementMode,
-      comment: comment,
+      comment: payment.comment,
       customer: customer,
     );
   }
@@ -94,14 +94,9 @@ class QuotationIntentBuilder {
     // BFF maps only settlement currency + fx side, then quotation derives pair.
     // For ledger this preserves source debit in ledger currency (e.g. USDT).
     if (isLedgerSource && settlementMode == SettlementMode.fixReceived) {
-      final base = sourceCurrency.trim();
-      final quote = _settlementCurrency;
-      if (base.isEmpty || base.toUpperCase() == quote.toUpperCase()) {
-        return null;
-      }
       return FxIntent(
-        pair: CurrencyPair(base: base, quote: quote),
+        pair: CurrencyPair(base: sourceCurrency, quote: _settlementCurrency),
-        side: FxSide.sellBaseBuyQuote,
+        side: FxSide.buyBaseSellQuote,
       );
     }
 
@@ -137,39 +132,59 @@ class QuotationIntentBuilder {
     required PaymentMethod? method,
     required PaymentMethodData? data,
   }) {
-    final name = recipient?.name.trim();
+    final customerId = recipient?.id.trim() ?? '';
-    if (name == null || name.isEmpty) return null;
+    final card = _resolveCard(method: method, data: data);
-    final id = recipient?.id.trim();
+    final fromRecipient = _buildCustomerFromName(
-    final customerId = id == null || id.isEmpty
+      customerId: customerId,
-        ? _addressBookCustomerFallbackId
+      fullName: recipient?.name,
-        : id;
+      country: card?.country,
+    );
+    if (fromRecipient != null) return fromRecipient;
 
-    final parts = name.split(RegExp(r'\s+'));
+    if (card != null) {
+      final firstName = _normalizedOrNull(card.firstName);
+      final lastName = _normalizedOrNull(card.lastName);
+      if (firstName == null && lastName == null) return null;
+      return Customer(
+        id: customerId,
+        firstName: firstName,
+        lastName: lastName,
+        country: card.country,
+      );
+    }
+    return null;
+  }
+
+  CardPaymentMethod? _resolveCard({
+    required PaymentMethod? method,
+    required PaymentMethodData? data,
+  }) => method?.cardData ?? (data is CardPaymentMethod ? data : null);
+
+  Customer? _buildCustomerFromName({
+    required String customerId,
+    required String? fullName,
+    String? country,
+  }) {
+    final normalizedName = _normalizedOrNull(fullName);
+    if (normalizedName == null) return null;
+    final parts = normalizedName.split(RegExp(r'\s+'));
     final firstName = parts.isNotEmpty ? parts.first : null;
     final lastName = parts.length >= 2 ? parts.last : null;
     final middleName = parts.length > 2
         ? parts.sublist(1, parts.length - 1).join(' ')
         : null;
-
     return Customer(
       id: customerId,
       firstName: firstName,
       middleName: middleName,
       lastName: lastName,
-      country: _resolveCustomerCountry(method: method, data: data),
+      country: country,
     );
   }
 
-  String? _resolveCustomerCountry({
+  String? _normalizedOrNull(String? value) {
-    required PaymentMethod? method,
+    if (value == null) return null;
-    required PaymentMethodData? data,
+    final normalized = value.trim();
-  }) {
-    final card = method?.cardData ?? (data is CardPaymentMethod ? data : null);
-    return card?.country;
-  }
-
-  String? _resolveComment(String comment) {
-    final normalized = comment.trim();
     return normalized.isEmpty ? null : normalized;
   }
 }

frontend/pshared/lib/provider/payment/quotation/quotation.dart

@@ -6,13 +6,13 @@ import 'package:logging/logging.dart';
 
 import 'package:uuid/uuid.dart';
 
+import 'package:money2/money2.dart';
+
 import 'package:pshared/api/requests/payment/quote.dart';
 import 'package:pshared/controllers/payment/source.dart';
 import 'package:pshared/data/mapper/payment/intent/payment.dart';
-import 'package:pshared/models/asset.dart';
 import 'package:pshared/models/payment/intent.dart';
 import 'package:pshared/models/payment/quote/quote.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/auto_refresh_mode.dart';
 import 'package:pshared/provider/organizations.dart';
 import 'package:pshared/provider/payment/amount.dart';
@@ -79,20 +79,12 @@ class QuotationProvider extends ChangeNotifier {
     return DateTime.fromMillisecondsSinceEpoch(expiresAtUnixMs, isUtc: true);
   }
 
-  Asset? get fee => _assetFromMoney(quoteFeeTotal(quotation));
+  Money? get fee => quoteFeeTotal(quotation);
-  Asset? get total => _assetFromMoney(
+  Money? get total => quoteSourceDebitTotal(
-    quoteSourceDebitTotal(
+    quotation,
-      quotation,
+    preferredSourceCurrency: _sourceCurrencyCode,
-      preferredSourceCurrency: _sourceCurrencyCode,
-    ),
   );
-  Asset? get recipientGets =>
+  Money? get recipientGets => quotation?.amounts?.destinationSettlement;
-      _assetFromMoney(quotation?.amounts?.destinationSettlement);
-
-  Asset? _assetFromMoney(Money? money) {
-    if (money == null) return null;
-    return createAsset(money.currency, money.amount);
-  }
 
   void _setResource(Resource<PaymentQuote> quotation) {
     _quotation = quotation;

frontend/pshared/lib/provider/payment/wallets.dart

@@ -5,14 +5,16 @@ import 'package:flutter/foundation.dart';
 
 import 'package:collection/collection.dart';
 
+import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/payment/chain_network.dart';
 import 'package:pshared/models/payment/wallet.dart';
-import 'package:pshared/models/wallet/chain_asset.dart';
 import 'package:pshared/provider/organizations.dart';
 import 'package:pshared/provider/resource.dart';
 import 'package:pshared/service/payment/wallets.dart';
 import 'package:pshared/utils/exception.dart';
 
+
 class WalletsProvider with ChangeNotifier {
   final WalletsService _service;
   OrganizationsProvider? _organizations;
@@ -180,7 +182,8 @@ class WalletsProvider with ChangeNotifier {
 
   Future<void> create({
     required Describable describable,
-    required ChainAsset asset,
+    required ChainNetwork chain,
+    required CurrencyCode currency,
     required String? ownerRef,
   }) async {
     final org = _organizations;
@@ -195,7 +198,8 @@ class WalletsProvider with ChangeNotifier {
       await _service.create(
         organizationRef: org.current.id,
         describable: describable,
-        asset: asset,
+        chain: chain,
+        currency: currency,
         ownerRef: ownerRef,
       );
       await loadWalletsWithBalances();

frontend/pshared/lib/service/ledger.dart

@@ -43,7 +43,7 @@ class LedgerService {
     required String organizationRef,
     required Describable describable,
     required String? ownerRef,
-    required Currency currency,
+    required CurrencyCode currency,
   }) async => AuthorizationService.getPOSTResponse(
     _objectType,
     '/$organizationRef',

frontend/pshared/lib/service/payment/wallets.dart

@@ -1,9 +1,9 @@
 import 'package:pshared/data/mapper/wallet/ui.dart';
+import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/payment/chain_network.dart';
 import 'package:pshared/models/payment/wallet.dart';
-import 'package:pshared/models/wallet/chain_asset.dart';
 import 'package:pshared/service/wallet.dart' as shared_wallet_service;
-import 'package:pshared/utils/money.dart';
 
 
 abstract class WalletsService {
@@ -12,7 +12,8 @@ abstract class WalletsService {
   Future<void> create({
     required String organizationRef,
     required Describable describable,
-    required ChainAsset asset,
+    required ChainNetwork chain,
+    required CurrencyCode currency,
     required String? ownerRef,
   });
 }
@@ -30,19 +31,21 @@ class ApiWalletsService implements WalletsService {
       organizationRef: organizationRef,
       walletRef: walletRef,
     );
-    return parseMoneyAmount(balance.available?.amount);
+    return balance.available?.toDouble() ?? 0;
   }
 
   @override
   Future<void> create({
     required String organizationRef,
     required Describable describable,
-    required ChainAsset asset,
+    required ChainNetwork chain,
+    required CurrencyCode currency,
     required String? ownerRef,
   }) => shared_wallet_service.WalletService.create(
     organizationRef: organizationRef,
     describable: describable,
-    asset: asset,
+    chain: chain,
+    currency: currency,
     ownerRef: ownerRef,
   );
 }

frontend/pshared/lib/service/wallet.dart

@@ -1,15 +1,18 @@
 import 'package:pshared/api/requests/wallet/create.dart';
 import 'package:pshared/api/responses/wallet_balance.dart';
 import 'package:pshared/api/responses/wallets.dart';
+import 'package:pshared/data/dto/wallet/chain_asset.dart';
 import 'package:pshared/data/mapper/describable.dart';
-import 'package:pshared/data/mapper/wallet/chain_asset.dart';
+import 'package:pshared/data/mapper/payment/enums.dart';
 import 'package:pshared/data/mapper/wallet/response.dart';
+import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/describable.dart';
+import 'package:pshared/models/payment/chain_network.dart';
 import 'package:pshared/models/wallet/balance.dart';
-import 'package:pshared/models/wallet/chain_asset.dart';
 import 'package:pshared/models/wallet/wallet.dart';
 import 'package:pshared/service/authorization/service.dart';
 import 'package:pshared/service/services.dart';
+import 'package:pshared/utils/currency.dart';
 
 
 class WalletService {
@@ -37,13 +40,19 @@ class WalletService {
   static Future<void> create({
     required String organizationRef,
     required Describable describable,
-    required ChainAsset asset,
+    required ChainNetwork chain,
+    required CurrencyCode currency,
     required String? ownerRef,
   }) async => AuthorizationService.getPOSTResponse(
     _objectType,
     '/$organizationRef',
     CreateWalletRequest(
-      asset: asset.toDTO(), 
+      asset: ChainAssetDTO(
+        chain: chainNetworkToValue(chain),
+        tokenSymbol:
+            money2CurrencyFromCode(currencyCodeToString(currency))?.isoCode ??
+            currencyCodeToString(currency),
+      ),
       describable: describable.toDTO(),
       ownerRef: ownerRef,
     ).toJson(),

frontend/pshared/lib/utils/currency.dart

@@ -1,102 +1,78 @@
-import 'package:flutter/material.dart';
+import 'package:money2/money2.dart';
 
-import 'package:pshared/models/asset.dart';
 import 'package:pshared/models/currency.dart';
 
 
-const nonBreakingSpace = '\u00A0';
+final Currency _usdtCurrency = Currency.create(
+  'USDT',
+  6,
+  symbol: '₮',
+  isIso: false,
+  country: 'Digital',
+  unit: 'Tether',
+  name: 'Tether',
+);
 
-String withTrailingNonBreakingSpace(String value) {
+final Currency _usdcCurrency = Currency.create(
-  return '$value$nonBreakingSpace';
+  'USDC',
-}
+  6,
+  symbol: r'($)',
+  isIso: false,
+  country: 'Digital',
+  unit: 'USD Coin',
+  name: 'USD Coin',
+);
 
-String joinWithNonBreakingSpace(String left, String right) {
+final Map<String, Currency> _commonCurrenciesByCode =
-  return '$left$nonBreakingSpace$right';
+    <String, Currency>{
-}
+      for (final currency in CommonCurrencies().asList())
+        currency.isoCode: currency,
+      _usdtCurrency.isoCode: _usdtCurrency,
+      _usdcCurrency.isoCode: _usdcCurrency,
+    };
 
-String currencyCodeToSymbol(Currency currencyCode) {
+String currencyCodeToSymbol(CurrencyCode currencyCode) {
-  switch (currencyCode) {
+  final symbol = currencySymbolFromCode(currencyCodeToString(currencyCode));
-    case Currency.usd:
+  if (symbol == null || symbol.trim().isEmpty) {
-      return '\$';
+    return currencyCodeToString(currencyCode);
-    case Currency.usdt:
-      return '₮';
-    case Currency.usdc:
-      return '\$';
-    case Currency.rub:
-      return '₽';
-    case Currency.eur:
-      return '€';
   }
+  return symbol;
 }
 
-String amountToString(double amount) {
+String currencyToString(CurrencyCode currencyCode, double amount) {
-  return amount.toStringAsFixed(2);
+  final code = currencyCodeToString(currencyCode);
-}
+  final currency = money2CurrencyFromCode(code);
-
+  if (currency == null) {
-String currencyToString(Currency currencyCode, double amount) {
+    return '$amount $code';
-  return joinWithNonBreakingSpace(
-    currencyCodeToSymbol(currencyCode),
-    amountToString(amount),
-  );
-}
-
-String assetToString(Asset asset) {
-  return currencyToString(asset.currency, asset.amount);
-}
-
-Currency currencyStringToCode(String currencyCode) {
-  switch (currencyCode) {
-    case 'USD':
-      return Currency.usd;
-    case 'USDT':
-      return Currency.usdt;
-    case 'USDC':
-      return Currency.usdc;
-    case 'RUB':
-      return Currency.rub;
-    case 'EUR':
-      return Currency.eur;
-    default:
-      throw ArgumentError('Unknown currency code: $currencyCode');
   }
+  final money = Money.fromNumWithCurrency(amount, currency);
+  return money.toString();
 }
 
-String currencyCodeToString(Currency currencyCode) {
+CurrencyCode currencyStringToCode(String currencyCode) {
-  switch (currencyCode) {
+  final normalized = currencyCode.trim().toUpperCase();
-    case Currency.usd:
+  for (final value in CurrencyCode.values) {
-      return 'USD';
+    if (currencyCodeToString(value) == normalized) {
-    case Currency.usdt:
+      return value;
-      return 'USDT';
+    }
-    case Currency.usdc:
-      return 'USDC';
-    case Currency.rub:
-      return 'RUB';
-    case Currency.eur:
-      return 'EUR';
   }
+
+  throw ArgumentError('Unknown currency code: $currencyCode');
 }
 
-IconData iconForCurrencyType(Currency currencyCode) {
+String currencyCodeToString(CurrencyCode currencyCode) {
-  switch (currencyCode) {
+  return currencyCode.name.toUpperCase();
-    case Currency.usd:
-      return Icons.currency_exchange;
-    case Currency.eur:
-      return Icons.currency_exchange;
-    case Currency.rub:
-      return Icons.currency_ruble;
-    case Currency.usdt:
-      return Icons.currency_exchange;
-    case Currency.usdc:
-      return Icons.money;
-  }
 }
 
 String? currencySymbolFromCode(String? code) {
-  final normalized = code?.trim();
+  final currency = money2CurrencyFromCode(code);
-  if (normalized == null || normalized.isEmpty) return null;
+  if (currency == null) return null;
-  try {
+  final symbol = currency.symbol.trim();
-    return currencyCodeToSymbol(currencyStringToCode(normalized.toUpperCase()));
+  return symbol.isEmpty ? null : symbol;
-  } catch (_) {
+}
-    return null;
+
-  }
+Currency? money2CurrencyFromCode(String? code) {
+  final normalized = code?.trim().toUpperCase();
+  if (normalized == null || normalized.isEmpty) return null;
+  return _commonCurrenciesByCode[normalized] ?? Currencies().find(normalized);
 }

frontend/pshared/lib/utils/money.dart

@@ -1,41 +1,35 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
 import 'package:pshared/utils/currency.dart';
 
+const String _decimalMoneyPattern = '0.##################';
 
-double parseMoneyAmount(String? raw, {double fallback = 0}) {
+Money? parseMoneyWithCurrency(String? amount, Currency? currency) {
-  final trimmed = raw?.trim();
+  if (currency == null) return null;
-  if (trimmed == null || trimmed.isEmpty) return fallback;
+  final value = _normalizeMoneyAmount(amount);
-  return double.tryParse(trimmed) ?? fallback;
+  if (value == null || value.isEmpty) return null;
+
+  try {
+    return Money.parseWithCurrency(
+      value,
+      currency,
+      pattern: _decimalMoneyPattern,
+    );
+  } catch (_) {
+    return null;
+  }
 }
 
-String formatMoneyDisplay(
+Money? parseMoneyWithCurrencyCode(String? amount, String? currencyCode) {
-  Money? money, {
+  return parseMoneyWithCurrency(amount, money2CurrencyFromCode(currencyCode));
-  String fallback = '--',
-  String separator = ' ',
-  String invalidAmountFallback = '',
-}) {
-  if (money == null) return fallback;
-
-  final rawAmount = money.amount.trim();
-  final rawCurrency = money.currency.trim();
-  final parsedAmount = parseMoneyAmount(rawAmount, fallback: double.nan);
-  final amountToken = parsedAmount.isNaN
-      ? (rawAmount.isEmpty ? invalidAmountFallback : rawAmount)
-      : amountToString(parsedAmount);
-
-  final symbol = currencySymbolFromCode(rawCurrency);
-  final normalizedSymbol = symbol?.trim() ?? '';
-  final hasSymbol = normalizedSymbol.isNotEmpty;
-  final currencyToken = hasSymbol ? normalizedSymbol : rawCurrency;
-  final first = amountToken;
-  final second = currencyToken;
-
-  if (first.isEmpty && second.isEmpty) return fallback;
-  if (first.isEmpty) return second;
-  if (second.isEmpty) return first;
-  return '$first$separator$second';
 }
 
-extension MoneyAmountX on Money {
+String? _normalizeMoneyAmount(String? value) {
-  double get amountValue => parseMoneyAmount(amount);
+  final normalized = value?.trim();
+  if (normalized == null || normalized.isEmpty) return null;
+
+  if (normalized.contains(',') && !normalized.contains('.')) {
+    return normalized.replaceAll(',', '.');
+  }
+
+  return normalized;
 }

frontend/pshared/lib/utils/payment/fx_helpers.dart

@@ -1,7 +1,8 @@
+import 'package:money2/money2.dart';
+
 import 'package:pshared/models/payment/currency_pair.dart';
 import 'package:pshared/models/payment/fx/intent.dart';
 import 'package:pshared/models/payment/fx/side.dart';
-import 'package:pshared/models/money.dart';
 
 
 class FxIntentHelper {
@@ -37,11 +38,15 @@ class FxIntentHelper {
         case FxSide.unspecified:
           break;
       }
-      if (amount.currency == pair.base && pair.quote.isNotEmpty) return pair.quote;
+      if (amount.currency.isoCode == pair.base && pair.quote.isNotEmpty) {
-      if (amount.currency == pair.quote && pair.base.isNotEmpty) return pair.base;
+        return pair.quote;
+      }
+      if (amount.currency.isoCode == pair.quote && pair.base.isNotEmpty) {
+        return pair.base;
+      }
       if (pair.quote.isNotEmpty) return pair.quote;
       if (pair.base.isNotEmpty) return pair.base;
     }
-    return amount.currency;
+    return amount.currency.isoCode;
   }
 }

frontend/pshared/lib/utils/payment/quotation_currency_resolver.dart

@@ -12,7 +12,7 @@ class PaymentQuotationCurrencyResolver {
     PaymentMethodData? paymentData,
   }) {
     final quoteCurrency = _normalizeCurrency(
-      quote?.amounts?.destinationSettlement?.currency,
+      quote?.amounts?.destinationSettlement?.currency.isoCode,
     );
     if (quoteCurrency != null) return quoteCurrency;
 

frontend/pshared/lib/utils/payment/quote_helpers.dart

@@ -1,17 +1,16 @@
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
+
 import 'package:pshared/models/payment/fees/line.dart';
 import 'package:pshared/models/payment/quote/quote.dart';
 import 'package:pshared/utils/currency.dart';
-import 'package:pshared/utils/money.dart';
 
 
 Money? quoteFeeTotal(PaymentQuote? quote) {
-  final preferredCurrency =
-      quote?.amounts?.sourcePrincipal?.currency ??
-      quote?.amounts?.sourceDebitTotal?.currency;
   return quoteFeeTotalFromLines(
     quote?.fees?.lines,
-    preferredCurrency: preferredCurrency,
+    preferredCurrency:
+        quote?.amounts?.sourcePrincipal?.currency.isoCode ??
+        quote?.amounts?.sourceDebitTotal?.currency.isoCode,
   );
 }
 
@@ -21,7 +20,8 @@ Money? quoteSourceDebitTotal(
 }) {
   final sourceDebitTotal = quote?.amounts?.sourceDebitTotal;
   final preferredCurrency = _normalizeCurrency(
-    preferredSourceCurrency ?? quote?.amounts?.sourcePrincipal?.currency,
+    preferredSourceCurrency ??
+        quote?.amounts?.sourcePrincipal?.currency.isoCode,
   );
 
   if (sourceDebitTotal == null) {
@@ -31,10 +31,9 @@ Money? quoteSourceDebitTotal(
     );
   }
 
-  final debitCurrency = _normalizeCurrency(sourceDebitTotal.currency);
   if (preferredCurrency == null ||
-      debitCurrency == null ||
+      _normalizeCurrency(sourceDebitTotal.currency.isoCode) ==
-      debitCurrency == preferredCurrency) {
+          preferredCurrency) {
     return sourceDebitTotal;
   }
 
@@ -52,22 +51,18 @@ Money? quoteFeeTotalFromLines(
   if (lines == null || lines.isEmpty) return null;
 
   final normalizedPreferred = _normalizeCurrency(preferredCurrency);
-  final totalsByCurrency = <String, double>{};
+  final totalsByCurrency = <String, Money>{};
 
   for (final line in lines) {
-    final money = line.amount;
+    final parsedAmount = line.amount;
-    if (money == null) continue;
+    if (parsedAmount == null) continue;
 
-    final currency = _normalizeCurrency(money.currency);
+    final currencyCode = parsedAmount.currency.isoCode;
-    if (currency == null) continue;
+    final signedAmount = _isCreditLine(line.side) ? -parsedAmount : parsedAmount;
-
+    final current = totalsByCurrency[currencyCode];
-    final amount = parseMoneyAmount(money.amount, fallback: double.nan);
+    totalsByCurrency[currencyCode] = current == null
-    if (amount.isNaN) continue;
+        ? signedAmount
-
+        : current + signedAmount;
-    final sign = _lineSign(line.side);
-    final signedAmount = sign * amount.abs();
-    totalsByCurrency[currency] =
-        (totalsByCurrency[currency] ?? 0) + signedAmount;
   }
 
   if (totalsByCurrency.isEmpty) return null;
@@ -77,85 +72,59 @@ Money? quoteFeeTotalFromLines(
           totalsByCurrency.containsKey(normalizedPreferred)
       ? normalizedPreferred
       : totalsByCurrency.keys.first;
-  final total = totalsByCurrency[selectedCurrency];
+  return totalsByCurrency[selectedCurrency];
-  if (total == null) return null;
-
-  return Money(amount: amountToString(total), currency: selectedCurrency);
 }
 
 List<Money> aggregateMoneyByCurrency(Iterable<Money?> values) {
-  final totals = <String, double>{};
+  final totals = <String, Money>{};
   for (final value in values) {
     if (value == null) continue;
-
+    final currency = value.currency.isoCode;
-    final currency = _normalizeCurrency(value.currency);
+    final current = totals[currency];
-    if (currency == null) continue;
+    totals[currency] = current == null ? value : current + value;
-
-    final amount = parseMoneyAmount(value.amount, fallback: double.nan);
-    if (amount.isNaN) continue;
-
-    totals[currency] = (totals[currency] ?? 0) + amount;
   }
 
-  return totals.entries
+  return totals.values.toList();
-      .map(
-        (entry) =>
-            Money(amount: amountToString(entry.value), currency: entry.key),
-      )
-      .toList();
 }
 
 Money? _rebuildSourceDebitTotal(
   PaymentQuote? quote, {
   String? preferredSourceCurrency,
 }) {
-  final sourcePrincipal = quote?.amounts?.sourcePrincipal;
+  final principal = quote?.amounts?.sourcePrincipal;
-  if (sourcePrincipal == null) return null;
+  if (principal == null) return null;
 
-  final principalCurrency = _normalizeCurrency(sourcePrincipal.currency);
+  final principalCurrency = principal.currency.isoCode;
-  if (principalCurrency == null) return null;
   if (preferredSourceCurrency != null &&
       principalCurrency != preferredSourceCurrency) {
     return null;
   }
 
-  final principalAmount = parseMoneyAmount(
+  var totalAmount = principal;
-    sourcePrincipal.amount,
-    fallback: double.nan,
-  );
-  if (principalAmount.isNaN) return null;
-
-  double totalAmount = principalAmount;
   final fee = quoteFeeTotalFromLines(
     quote?.fees?.lines,
     preferredCurrency: principalCurrency,
   );
-  if (fee != null && _normalizeCurrency(fee.currency) == principalCurrency) {
+  if (fee != null && fee.currency.isoCode == principalCurrency) {
-    final feeAmount = parseMoneyAmount(fee.amount, fallback: double.nan);
+    totalAmount += fee;
-    if (!feeAmount.isNaN) {
-      totalAmount += feeAmount;
-    }
   }
 
-  return Money(
+  return totalAmount;
-    amount: amountToString(totalAmount),
-    currency: principalCurrency,
-  );
 }
 
-double _lineSign(String? side) {
+bool _isCreditLine(String? side) {
   final normalized = side?.trim().toLowerCase() ?? '';
   switch (normalized) {
     case 'entry_side_credit':
     case 'credit':
-      return -1;
+      return true;
     default:
-      return 1;
+      return false;
   }
 }
 
 String? _normalizeCurrency(String? currency) {
-  final normalized = currency?.trim().toUpperCase();
+  final normalized = currency?.trim();
   if (normalized == null || normalized.isEmpty) return null;
-  return normalized;
+  return money2CurrencyFromCode(normalized)?.isoCode ?? normalized.toUpperCase();
 }

frontend/pshared/pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
   uuid: ^4.5.1
   image: ^4.5.4
   shared_preferences: ^2.5.3
+  money2: ^6.3.0
   
 dev_dependencies:
   flutter_lints: ^6.0.0

frontend/pweb/lib/controllers/operations/wallet_transactions.dart

@@ -1,102 +0,0 @@
-import 'package:flutter/material.dart';
-
-import 'package:pshared/models/payment/status.dart';
-
-import 'package:pweb/models/wallet/wallet_transaction.dart';
-import 'package:pweb/providers/wallet_transactions.dart';
-
-
-class WalletTransactionsController extends ChangeNotifier {
-  List<WalletTransaction> _filteredTransactions = [];
-  DateTimeRange? _dateRange;
-  final Set<OperationStatus> _selectedStatuses = {};
-  final Set<WalletTransactionType> _selectedTypes = {};
-  WalletTransactionsProvider? _provider;
-
-  List<WalletTransaction> get transactions =>
-      _provider?.transactions ?? const [];
-  List<WalletTransaction> get filteredTransactions => _filteredTransactions;
-  DateTimeRange? get dateRange => _dateRange;
-  Set<OperationStatus> get selectedStatuses => _selectedStatuses;
-  Set<WalletTransactionType> get selectedTypes => _selectedTypes;
-  bool get isLoading => _provider?.isLoading ?? false;
-  String? get error => _provider?.error;
-  bool get hasFilters =>
-      _dateRange != null ||
-      _selectedStatuses.isNotEmpty ||
-      _selectedTypes.isNotEmpty;
-
-  void update(WalletTransactionsProvider provider) {
-    if (identical(_provider, provider)) return;
-    _provider?.removeListener(_onProviderChanged);
-    _provider = provider;
-    _provider?.addListener(_onProviderChanged);
-    _rebuildFiltered(notify: false);
-    notifyListeners();
-  }
-
-  void setDateRange(DateTimeRange? range) {
-    _dateRange = range;
-    _rebuildFiltered();
-  }
-
-  void toggleStatus(OperationStatus status) {
-    if (_selectedStatuses.contains(status)) {
-      _selectedStatuses.remove(status);
-    } else {
-      _selectedStatuses.add(status);
-    }
-    _rebuildFiltered();
-  }
-
-  void toggleType(WalletTransactionType type) {
-    if (_selectedTypes.contains(type)) {
-      _selectedTypes.remove(type);
-    } else {
-      _selectedTypes.add(type);
-    }
-    _rebuildFiltered();
-  }
-
-  void resetFilters() {
-    _dateRange = null;
-    _selectedStatuses.clear();
-    _selectedTypes.clear();
-    _rebuildFiltered();
-  }
-
-  void _onProviderChanged() {
-    _rebuildFiltered();
-  }
-
-  void _rebuildFiltered({bool notify = true}) {
-    final source = _provider?.transactions ?? const <WalletTransaction>[];
-    final activeWalletId = _provider?.walletId;
-    _filteredTransactions = source.where((tx) {
-      final walletMatch =
-          activeWalletId == null || tx.walletId == activeWalletId;
-      final statusMatch =
-          _selectedStatuses.isEmpty || _selectedStatuses.contains(tx.status);
-      final typeMatch =
-          _selectedTypes.isEmpty || _selectedTypes.contains(tx.type);
-      final dateMatch =
-          _dateRange == null ||
-          (tx.date.isAfter(
-                _dateRange!.start.subtract(const Duration(seconds: 1)),
-              ) &&
-              tx.date.isBefore(
-                _dateRange!.end.add(const Duration(seconds: 1)),
-              ));
-
-      return walletMatch && statusMatch && typeMatch && dateMatch;
-    }).toList();
-
-    if (notify) notifyListeners();
-  }
-
-  @override
-  void dispose() {
-    _provider?.removeListener(_onProviderChanged);
-    super.dispose();
-  }
-}

frontend/pweb/lib/controllers/payments/amount_field.dart

@@ -1,10 +1,11 @@
+import 'package:money2/money2.dart';
+
 import 'package:flutter/material.dart';
 
 import 'package:pshared/controllers/payment/source.dart';
 import 'package:pshared/models/payment/settlement_mode.dart';
 import 'package:pshared/provider/payment/amount.dart';
 import 'package:pshared/utils/currency.dart';
-import 'package:pshared/utils/money.dart';
 
 import 'package:pweb/models/payment/amount/mode.dart';
 
@@ -22,7 +23,7 @@ class PaymentAmountFieldController extends ChangeNotifier {
 
   PaymentAmountFieldController({required double? initialAmount})
     : textController = TextEditingController(
-        text: initialAmount == null ? '' : amountToString(initialAmount),
+        text: initialAmount == null ? '' : initialAmount.toString(),
       );
 
   PaymentAmountMode get mode => _mode;
@@ -122,18 +123,14 @@ class PaymentAmountFieldController extends ChangeNotifier {
       };
 
   double? _parseAmount(String value) {
-    final parsed = parseMoneyAmount(
+    return double.tryParse(value.replaceAll(',', '.').trim());
-      value.replaceAll(',', '.'),
-      fallback: double.nan,
-    );
-    return parsed.isNaN ? null : parsed;
   }
 
   void _syncTextWithAmount(double? amount) {
     final parsedText = _parseAmount(textController.text);
     if (parsedText == amount) return;
 
-    final nextText = amount == null ? '' : amountToString(amount);
+    final nextText = amount == null ? '' : _formatAmount(amount);
     _isSyncingText = true;
     textController.value = TextEditingValue(
       text: nextText,
@@ -142,6 +139,12 @@ class PaymentAmountFieldController extends ChangeNotifier {
     _isSyncingText = false;
   }
 
+  String _formatAmount(double amount) {
+    final currency = money2CurrencyFromCode(activeCurrencyCode);
+    if (currency == null) return amount.toString();
+    return Money.fromNumWithCurrency(amount, currency).toDecimal().toString();
+  }
+
   @override
   void dispose() {
     _provider?.removeListener(_handleProviderChanged);

frontend/pweb/lib/controllers/payments/recent_payments.dart

@@ -29,5 +29,4 @@ class RecentPaymentsController extends ChangeNotifier {
     _recent = sortOperations(operations).take(5).toList();
     notifyListeners();
   }
-
 }

frontend/pweb/lib/controllers/payouts/multiple_payouts.dart

@@ -2,8 +2,9 @@ import 'dart:async';
 
 import 'package:flutter/foundation.dart';
 
+import 'package:money2/money2.dart';
+
 import 'package:pshared/controllers/payment/source.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/asset.dart';
 import 'package:pshared/models/payment/chain_network.dart';
 import 'package:pshared/models/payment/methods/data.dart';
@@ -17,6 +18,7 @@ import 'package:pweb/models/payment/multiple_payouts/state.dart';
 import 'package:pweb/providers/multiple_payouts.dart';
 import 'package:pweb/services/payments/csv_input.dart';
 
+
 class MultiplePayoutsController extends ChangeNotifier {
   final CsvInputService _csvInput;
   MultiplePayoutsProvider? _provider;

frontend/pweb/lib/main.dart

@@ -31,10 +31,7 @@ import 'package:pweb/app/app.dart';
 import 'package:pweb/pages/invitations/widgets/list/view_model.dart';
 import 'package:pweb/app/timeago.dart';
 import 'package:pweb/providers/two_factor.dart';
-import 'package:pweb/controllers/operations/wallet_transactions.dart';
-import 'package:pweb/providers/wallet_transactions.dart';
 import 'package:pweb/services/posthog.dart';
-import 'package:pweb/services/wallet_transactions.dart';
 import 'package:pweb/providers/account.dart';
 import 'package:pweb/providers/locale.dart';
 
@@ -142,18 +139,6 @@ void main() async {
           create: (_) => WalletsController(),
           update: (_, wallets, controller) => controller!..update(wallets),
         ),
-        ChangeNotifierProvider(
-          create: (_) => WalletTransactionsProvider(
-            MockWalletTransactionsService(),
-          ),
-        ),
-        ChangeNotifierProxyProvider<
-          WalletTransactionsProvider,
-          WalletTransactionsController
-        >(
-          create: (_) => WalletTransactionsController(),
-          update: (_, provider, controller) => controller!..update(provider),
-        ),
       ],
       child: const PayApp(),
     ),

frontend/pweb/lib/models/wallet/wallet_transaction.dart

@@ -29,7 +29,7 @@ class WalletTransaction {
   final WalletTransactionType type;
   final OperationStatus status;
   final double amount;
-  final Currency currency;
+  final CurrencyCode currency;
   final DateTime date;
   final String description;
   final String? counterparty;
@@ -56,7 +56,7 @@ class WalletTransaction {
     WalletTransactionType? type,
     OperationStatus? status,
     double? amount,
-    Currency? currency,
+    CurrencyCode? currency,
     DateTime? date,
     String? description,
     String? counterparty,

frontend/pweb/lib/pages/dashboard/buttons/balance/add/constants.dart

@@ -2,6 +2,6 @@ import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/payment/chain_network.dart';
 
 
-const Currency managedCurrencyDefault = Currency.usdt;
+const CurrencyCode managedCurrencyDefault = CurrencyCode.usdt;
-const Currency ledgerCurrencyDefault = Currency.rub;
+const CurrencyCode ledgerCurrencyDefault = CurrencyCode.rub;
 const ChainNetwork managedNetworkDefault = ChainNetwork.tronMainnet;

frontend/pweb/lib/pages/dashboard/buttons/balance/add/dialog.dart

@@ -8,11 +8,9 @@ import 'package:pshared/models/currency.dart';
 import 'package:pshared/models/describable.dart';
 import 'package:pshared/models/payment/chain_network.dart';
 import 'package:pshared/models/payment/type.dart';
-import 'package:pshared/models/wallet/chain_asset.dart';
 import 'package:pshared/provider/accounts/employees.dart';
 import 'package:pshared/provider/ledger.dart';
 import 'package:pshared/provider/payment/wallets.dart';
-import 'package:pshared/utils/currency.dart';
 
 import 'package:pweb/pages/dashboard/buttons/balance/add/form.dart';
 import 'package:pweb/pages/dashboard/buttons/balance/add/constants.dart';
@@ -42,9 +40,9 @@ class _AddBalanceDialogState extends State<AddBalanceDialog> {
 
   PaymentType _assetType = PaymentType.managedWallet;
   String? _ownerRef;
-  Currency _managedCurrency = managedCurrencyDefault;
+  CurrencyCode _managedCurrency = managedCurrencyDefault;
   ChainNetwork _network = managedNetworkDefault;
-  Currency _ledgerCurrency = ledgerCurrencyDefault;
+  CurrencyCode _ledgerCurrency = ledgerCurrencyDefault;
 
   @override
   void dispose() {
@@ -60,7 +58,7 @@ class _AddBalanceDialogState extends State<AddBalanceDialog> {
 
   void _setOwnerRef(String? value) => setState(() => _ownerRef = value);
 
-  void _setManagedCurrency(Currency? value) {
+  void _setManagedCurrency(CurrencyCode? value) {
     if (value == null) return;
     setState(() => _managedCurrency = value);
   }
@@ -70,7 +68,7 @@ class _AddBalanceDialogState extends State<AddBalanceDialog> {
     setState(() => _network = value);
   }
 
-  void _setLedgerCurrency(Currency? value) {
+  void _setLedgerCurrency(CurrencyCode? value) {
     if (value == null) return;
     setState(() => _ledgerCurrency = value);
   }
@@ -102,7 +100,8 @@ class _AddBalanceDialogState extends State<AddBalanceDialog> {
         if (_assetType == PaymentType.managedWallet) {
           await context.read<WalletsProvider>().create(
             describable: newDescribable(name: name, description: description),
-            asset: ChainAsset(chain: _network, tokenSymbol: currencyCodeToString(_managedCurrency)),
+            chain: _network,
+            currency: _managedCurrency,
             ownerRef: owner?.id,
           );
         } else {

frontend/pweb/lib/pages/dashboard/buttons/balance/add/form.dart

@@ -23,12 +23,12 @@ class AddBalanceForm extends StatelessWidget {
   final ValueChanged<String?> onOwnerChanged;
   final TextEditingController nameController;
   final TextEditingController descriptionController;
-  final Currency managedCurrency;
+  final CurrencyCode managedCurrency;
   final ChainNetwork network;
-  final Currency ledgerCurrency;
+  final CurrencyCode ledgerCurrency;
-  final ValueChanged<Currency?> onManagedCurrencyChanged;
+  final ValueChanged<CurrencyCode?> onManagedCurrencyChanged;
   final ValueChanged<ChainNetwork?> onNetworkChanged;
-  final ValueChanged<Currency?> onLedgerCurrencyChanged;
+  final ValueChanged<CurrencyCode?> onLedgerCurrencyChanged;
   final bool showEmployeesLoading;
 
   const AddBalanceForm({

frontend/pweb/lib/pages/dashboard/buttons/balance/add/ledger/currency_item.dart

@@ -4,7 +4,7 @@ import 'package:pshared/models/currency.dart';
 import 'package:pshared/utils/currency.dart';
 
 
-DropdownMenuItem<Currency> currencyItem(Currency currency) => DropdownMenuItem(
+DropdownMenuItem<CurrencyCode> currencyItem(CurrencyCode currency) => DropdownMenuItem(
   value: currency,
   child: Text(currencyCodeToString(currency)),
 );

frontend/pweb/lib/pages/dashboard/buttons/balance/add/ledger/fields.dart

@@ -10,8 +10,8 @@ import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
 class LedgerFields extends StatelessWidget {
-  final Currency currency;
+  final CurrencyCode currency;
-  final ValueChanged<Currency?>? onCurrencyChanged;
+  final ValueChanged<CurrencyCode?>? onCurrencyChanged;
 
   const LedgerFields({
     super.key,
@@ -20,7 +20,7 @@ class LedgerFields extends StatelessWidget {
   });
 
   @override
-  Widget build(BuildContext context) => DropdownButtonFormField<Currency>(
+  Widget build(BuildContext context) => DropdownButtonFormField<CurrencyCode>(
     initialValue: currency,
     decoration: getInputDecoration(context, AppLocalizations.of(context)!.currency, true),
     items: [

frontend/pweb/lib/pages/dashboard/buttons/balance/add/managed_wallet_fields.dart

@@ -12,9 +12,9 @@ import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
 class ManagedWalletFields extends StatelessWidget {
-  final Currency currency;
+  final CurrencyCode currency;
   final ChainNetwork network;
-  final ValueChanged<Currency?>? onCurrencyChanged;
+  final ValueChanged<CurrencyCode?>? onCurrencyChanged;
   final ValueChanged<ChainNetwork?>? onNetworkChanged;
 
   const ManagedWalletFields({
@@ -31,7 +31,7 @@ class ManagedWalletFields extends StatelessWidget {
     return Column(
       spacing: 12,
       children: [
-        DropdownButtonFormField<Currency>(
+        DropdownButtonFormField<CurrencyCode>(
           initialValue: currency,
           decoration: getInputDecoration(context, l10n.currency, true),
           items: [

frontend/pweb/lib/pages/dashboard/buttons/balance/amount.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import 'package:pshared/controllers/balance_mask/wallets.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/wallet.dart';
 import 'package:pshared/utils/currency.dart';
 
@@ -28,12 +27,10 @@ class BalanceAmount extends StatelessWidget {
     final textTheme = Theme.of(context).textTheme;
     final colorScheme = Theme.of(context).colorScheme;
     final currencyBalance = currencyCodeToSymbol(wallet.currency);
-    final formattedBalance = formatMoneyUi(
+    final formattedBalance = formatAmountUi(
       context,
-      Money(
+      amount: wallet.balance,
-        amount: amountToString(wallet.balance),
+      currency: currencyCodeToString(wallet.currency),
-        currency: currencyCodeToString(wallet.currency),
-      ),
     );
     final wallets = context.watch<WalletsController>();
     final isMasked = wallets.isBalanceMasked(wallet.id);

frontend/pweb/lib/pages/dashboard/payouts/amount/field.dart

@@ -36,9 +36,7 @@ class PaymentAmountField extends StatelessWidget {
           decoration: InputDecoration(
             labelText: loc.amount,
             border: const OutlineInputBorder(),
-            prefixText: symbol == null
+            prefixText: symbol == null ? null : '$symbol ',
-                ? null
-                : withTrailingNonBreakingSpace(symbol),
           ),
           onChanged: ui.handleChanged,
         ),

frontend/pweb/lib/pages/dashboard/payouts/multiple/panels/source_quote/summary.dart

@@ -1,7 +1,5 @@
 import 'package:flutter/material.dart';
 
-import 'package:pshared/utils/currency.dart';
-
 import 'package:pweb/controllers/payouts/multiple_payouts.dart';
 import 'package:pweb/models/dashboard/summary_values.dart';
 import 'package:pweb/pages/dashboard/payouts/summary/widget.dart';
@@ -28,21 +26,12 @@ class SourceQuoteSummary extends StatelessWidget {
       values: PaymentSummaryValues(
         fee: controller.aggregateFeeAmount == null
             ? l10n.noFee
-            : formatMoneyUiWithL10n(
+            : formatMoneyUi(context, controller.aggregateFeeAmount),
-                l10n,
+        recipientReceives: formatMoneyUi(
-                controller.aggregateFeeAmount,
+          context,
-                separator: nonBreakingSpace,
-              ),
-        recipientReceives: formatMoneyUiWithL10n(
-          l10n,
           controller.aggregateSettlementAmount,
-          separator: nonBreakingSpace,
-        ),
-        total: formatMoneyUiWithL10n(
-          l10n,
-          controller.aggregateDebitAmount,
-          separator: nonBreakingSpace,
         ),
+        total: formatMoneyUi(context, controller.aggregateDebitAmount),
       ),
     );
   }

frontend/pweb/lib/pages/dashboard/payouts/multiple/sections/history/widget.dart

@@ -19,7 +19,10 @@ class UploadHistorySection extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProxyProvider<PaymentsProvider, RecentPaymentsController>(
+    return ChangeNotifierProxyProvider<
+      PaymentsProvider,
+      RecentPaymentsController
+    >(
       create: (_) => RecentPaymentsController(),
       update: (_, payments, controller) => controller!..update(payments),
       child: const _RecentPaymentsView(),

frontend/pweb/lib/pages/dashboard/payouts/summary/fee.dart

@@ -8,7 +8,6 @@ import 'package:pweb/pages/dashboard/payouts/summary/row.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentFeeRow extends StatelessWidget {
   const PaymentFeeRow({super.key});
 
@@ -19,7 +18,7 @@ class PaymentFeeRow extends StatelessWidget {
       final l10 = AppLocalizations.of(context)!;
       return PaymentSummaryRow(
         labelFactory: l10.fee,
-        asset: fee,
+        money: fee,
         value: fee == null ? l10.noFee : null,
         style: Theme.of(context).textTheme.titleMedium,
       );

frontend/pweb/lib/pages/dashboard/payouts/summary/recipient_receives.dart

@@ -8,7 +8,6 @@ import 'package:pweb/pages/dashboard/payouts/summary/row.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentRecipientReceivesRow extends StatelessWidget {
   const PaymentRecipientReceivesRow({super.key});
 
@@ -16,7 +15,7 @@ class PaymentRecipientReceivesRow extends StatelessWidget {
   Widget build(BuildContext context) => Consumer<QuotationProvider>(
     builder: (context, provider, _) => PaymentSummaryRow(
       labelFactory: AppLocalizations.of(context)!.recipientWillReceive,
-      asset: provider.recipientGets,
+      money: provider.recipientGets,
       style: Theme.of(context).textTheme.titleMedium,
     ),
   );

frontend/pweb/lib/pages/dashboard/payouts/summary/row.dart

@@ -1,27 +1,25 @@
 import 'package:flutter/material.dart';
-
+import 'package:money2/money2.dart';
-import 'package:pshared/models/asset.dart';
 
 import 'package:pweb/utils/money_display.dart';
 
-
 class PaymentSummaryRow extends StatelessWidget {
   final String Function(String) labelFactory;
-  final Asset? asset;
+  final Money? money;
   final String? value;
   final TextStyle? style;
 
   const PaymentSummaryRow({
     super.key,
     required this.labelFactory,
-    required this.asset,
+    required this.money,
     this.value,
     this.style,
   });
 
   @override
   Widget build(BuildContext context) {
-    final formatted = value ?? formatAssetUi(context, asset);
+    final formatted = value ?? formatMoneyUi(context, money);
     return Text(labelFactory(formatted), style: style);
   }
 }

frontend/pweb/lib/pages/dashboard/payouts/summary/total.dart

@@ -8,7 +8,6 @@ import 'package:pweb/pages/dashboard/payouts/summary/row.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentTotalRow extends StatelessWidget {
   const PaymentTotalRow({super.key});
 
@@ -16,8 +15,10 @@ class PaymentTotalRow extends StatelessWidget {
   Widget build(BuildContext context) => Consumer<QuotationProvider>(
     builder: (context, provider, _) => PaymentSummaryRow(
       labelFactory: AppLocalizations.of(context)!.total,
-      asset: provider.total,
+      money: provider.total,
-      style: Theme.of(context).textTheme.titleMedium!.copyWith(fontWeight: FontWeight.w600),
+      style: Theme.of(
+        context,
+      ).textTheme.titleMedium!.copyWith(fontWeight: FontWeight.w600),
     ),
   );
 }

frontend/pweb/lib/pages/dashboard/payouts/summary/widget.dart

@@ -8,16 +8,11 @@ import 'package:pweb/pages/dashboard/payouts/summary/total.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentSummary extends StatelessWidget {
   final double spacing;
   final PaymentSummaryValues? values;
 
-  const PaymentSummary({
+  const PaymentSummary({super.key, required this.spacing, this.values});
-    super.key,
-    required this.spacing,
-    this.values,
-  });
 
   @override
   Widget build(BuildContext context) {
@@ -32,20 +27,20 @@ class PaymentSummary extends StatelessWidget {
           children: [
             PaymentSummaryRow(
               labelFactory: loc.fee,
-              asset: null,
+              money: null,
               value: resolvedValues.fee,
               style: theme.textTheme.titleMedium,
             ),
             PaymentSummaryRow(
               labelFactory: loc.recipientWillReceive,
-              asset: null,
+              money: null,
               value: resolvedValues.recipientReceives,
               style: theme.textTheme.titleMedium,
             ),
             SizedBox(height: spacing),
             PaymentSummaryRow(
               labelFactory: loc.total,
-              asset: null,
+              money: null,
               value: resolvedValues.total,
               style: theme.textTheme.titleMedium?.copyWith(
                 fontWeight: FontWeight.w600,

frontend/pweb/lib/pages/payout_page/wallet/card.dart

@@ -3,11 +3,11 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import 'package:pshared/controllers/balance_mask/wallets.dart';
-import 'package:pshared/utils/currency.dart';
 import 'package:pshared/models/payment/wallet.dart';
 
 import 'package:pweb/models/state/visibility.dart';
 import 'package:pweb/pages/dashboard/buttons/balance/amount.dart';
+import 'package:pweb/pages/payout_page/wallet/currency_symbol_avatar.dart';
 import 'package:pweb/widgets/refresh_balance/wallet.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
@@ -35,10 +35,7 @@ class WalletCard extends StatelessWidget {
           child: Row(
             spacing: 3,
             children: [
-              CircleAvatar(
+              CurrencySymbolAvatar(wallet: wallet),
-                radius: 24,
-                child: Icon(iconForCurrencyType(wallet.currency), size: 28),
-              ),
               const SizedBox(width: 16),
               Expanded(
                 child: Column(
@@ -51,7 +48,9 @@ class WalletCard extends StatelessWidget {
                         BalanceAmount(
                           wallet: wallet,
                           onToggleMask: () {
-                            context.read<WalletsController>().toggleBalanceMask(wallet.id);
+                            context.read<WalletsController>().toggleBalanceMask(
+                              wallet.id,
+                            );
                           },
                         ),
                         WalletBalanceRefreshButton(

frontend/pweb/lib/pages/payout_page/wallet/currency_symbol_avatar.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+
+import 'package:pshared/models/payment/wallet.dart';
+import 'package:pshared/utils/currency.dart';
+
+
+class CurrencySymbolAvatar extends StatelessWidget {
+  final Wallet wallet;
+
+  const CurrencySymbolAvatar({super.key, required this.wallet});
+
+  @override
+  Widget build(BuildContext context) {
+    final code = currencyCodeToString(wallet.currency);
+    final symbol = currencySymbolFromCode(code) ?? code;
+    final textTheme = Theme.of(context).textTheme;
+
+    return CircleAvatar(
+      radius: 24,
+      child: Text(
+        symbol,
+        style: textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w700),
+      ),
+    );
+  }
+}

frontend/pweb/lib/pages/payout_page/wallet/edit/fields/ledger/balance_formatter.dart

@@ -17,14 +17,10 @@ class LedgerBalanceFormatter {
     final currency = account.currency.trim();
     if (currency.isEmpty) return '••••';
 
-    try {
+    final symbol = currencySymbolFromCode(currency);
-      final symbol = currencyCodeToSymbol(currencyStringToCode(currency));
+    if (symbol == null || symbol.trim().isEmpty) {
-      if (symbol.trim().isEmpty) {
-        return '•••• $currency';
-      }
-      return '•••• $symbol';
-    } catch (_) {
       return '•••• $currency';
     }
+    return '•••• $symbol';
   }
 }

frontend/pweb/lib/pages/payout_page/wallet/history/filters.dart

@@ -1,96 +0,0 @@
-import 'package:flutter/material.dart';
-
-import 'package:pshared/models/payment/status.dart';
-import 'package:pshared/utils/localization.dart';
-
-import 'package:pweb/models/wallet/wallet_transaction.dart';
-import 'package:pweb/controllers/operations/wallet_transactions.dart';
-
-import 'package:pweb/generated/i18n/app_localizations.dart';
-
-
-class WalletHistoryFilters extends StatelessWidget {
-  final WalletTransactionsController provider;
-  final VoidCallback onPickRange;
-
-  const WalletHistoryFilters({
-    super.key,
-    required this.provider,
-    required this.onPickRange,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-    final loc = AppLocalizations.of(context)!;
-
-    return Card(
-      elevation: 2,
-      color: theme.colorScheme.onSecondary,
-      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
-      child: Padding(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              mainAxisAlignment: MainAxisAlignment.spaceBetween,
-              children: [
-                Text(
-                  loc.walletActivity,
-                  style: theme.textTheme.titleMedium,
-                ),
-                if (provider.hasFilters)
-                  TextButton(
-                    onPressed: provider.resetFilters,
-                    child: Text(loc.reset),
-                  ),
-              ],
-            ),
-            const SizedBox(height: 12),
-            Wrap(
-              spacing: 8,
-              runSpacing: 8,
-              children: WalletTransactionType.values.map((type) {
-                final isSelected = provider.selectedTypes.contains(type);
-                return FilterChip(
-                  label: Text(type.label(context)),
-                  selected: isSelected,
-                  onSelected: (_) => provider.toggleType(type),
-                  pressElevation: 0,
-                );
-              }).toList(),
-            ),
-            const SizedBox(height: 8),
-            Wrap(
-              spacing: 8,
-              runSpacing: 8,
-              children: OperationStatus.values.map((status) {
-                final isSelected = provider.selectedStatuses.contains(status);
-                return FilterChip(
-                  label: Text(status.localized(context)),
-                  selected: isSelected,
-                  onSelected: (_) => provider.toggleStatus(status),
-                  pressElevation: 0,
-                );
-              }).toList(),
-            ),
-            const SizedBox(height: 12),
-            Align(
-              alignment: Alignment.centerRight,
-              child: OutlinedButton.icon(
-                onPressed: onPickRange,
-                icon: const Icon(Icons.date_range_outlined),
-                label: Text(
-                  provider.dateRange == null
-                      ? loc.selectPeriod
-                      : '${dateToLocalFormat(context, provider.dateRange!.start)} – ${dateToLocalFormat(context, provider.dateRange!.end)}',
-                ),
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}

frontend/pweb/lib/pages/report/cards/items.dart

@@ -23,17 +23,12 @@ List<Widget> buildOperationCardItems(
       if (items.isNotEmpty) {
         items.add(const SizedBox(height: 16));
       }
-      items.add(_DateHeader(
+      items.add(_DateHeader(label: _dateLabel(context, operation.date, loc)));
-        label: _dateLabel(context, operation.date, loc),
-      ));
       items.add(const SizedBox(height: 8));
       currentKey = dateKey;
     }
 
-    items.add(OperationCard(
+    items.add(OperationCard(operation: operation, onTap: onTap));
-      operation: operation,
-      onTap: onTap,
-    ));
     items.add(const SizedBox(height: 12));
   }
 
@@ -66,9 +61,7 @@ class _DateHeader extends StatelessWidget {
     final theme = Theme.of(context);
     return Text(
       label,
-      style: theme.textTheme.titleSmall?.copyWith(
+      style: theme.textTheme.titleSmall?.copyWith(fontWeight: FontWeight.w600),
-        fontWeight: FontWeight.w600,
-      ),
     );
   }
 }

frontend/pweb/lib/pages/report/details/sections.dart

@@ -6,7 +6,6 @@ import 'package:pshared/models/payment/payment.dart';
 import 'package:pweb/pages/report/details/sections/fx.dart';
 import 'package:pweb/pages/report/details/sections/operations/section.dart';
 
-
 class PaymentDetailsSections extends StatelessWidget {
   final Payment payment;
   final bool Function(PaymentExecutionOperation operation)?

frontend/pweb/lib/pages/report/details/sections/fx.dart

@@ -1,6 +1,5 @@
 import 'package:flutter/material.dart';
 
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/payment.dart';
 import 'package:pshared/models/payment/fx/quote.dart';
 import 'package:pshared/utils/currency.dart';
@@ -33,39 +32,36 @@ class PaymentFxSection extends StatelessWidget {
     final price = fx.price?.trim();
     if (price == null || price.isEmpty) return null;
 
-    final baseCurrency = _firstNonEmpty([
+    final baseCurrency = _resolveCurrencyCode([
       fx.baseCurrency,
-      fx.baseAmount?.currency,
+      fx.baseAmount?.currency.isoCode,
-      currencySymbolFromCode(fx.baseCurrency),
-      currencySymbolFromCode(fx.baseAmount?.currency),
     ]);
-    final quoteCurrency = _firstNonEmpty([
+    final quoteCurrency = _resolveCurrencyCode([
       fx.quoteCurrency,
-      fx.quoteAmount?.currency,
+      fx.quoteAmount?.currency.isoCode,
-      currencySymbolFromCode(fx.quoteCurrency),
-      currencySymbolFromCode(fx.quoteAmount?.currency),
     ]);
 
     if (baseCurrency == null || quoteCurrency == null) return price;
 
-    final baseDisplay = formatMoneyDisplay(
+    final baseDisplay =
-      Money(amount: '1', currency: baseCurrency),
+        parseMoneyWithCurrencyCode('1', baseCurrency)?.toString() ??
-      fallback: '1 $baseCurrency',
+        '1 $baseCurrency';
-      invalidAmountFallback: '1',
+    final quoteDisplay =
-    );
+        parseMoneyWithCurrencyCode(
-    final quoteDisplay = formatMoneyDisplay(
+          _normalizeAmount(price),
-      Money(amount: _normalizeAmount(price), currency: quoteCurrency),
+          quoteCurrency,
-      fallback: '$price $quoteCurrency',
+        )?.toString() ??
-      invalidAmountFallback: price,
+        '$price $quoteCurrency';
-    );
 
     return '$baseDisplay = $quoteDisplay';
   }
 
-  String? _firstNonEmpty(List<String?> values) {
+  String? _resolveCurrencyCode(List<String?> values) {
     for (final value in values) {
-      final trimmed = value?.trim();
+      if (value == null || value.isEmpty) continue;
-      if (trimmed != null && trimmed.isNotEmpty) return trimmed;
+      final resolved = money2CurrencyFromCode(value);
+      if (resolved != null) return resolved.isoCode;
+      return value;
     }
     return null;
   }

frontend/pweb/lib/pages/report/details/summary_card/widget.dart

@@ -9,13 +9,11 @@ import 'package:pweb/pages/report/details/summary_card/info_line.dart';
 import 'package:pweb/pages/report/table/badge.dart';
 import 'package:pweb/utils/report/amount_parts.dart';
 import 'package:pweb/utils/report/format.dart';
-import 'package:pweb/utils/money_display.dart';
 import 'package:pweb/utils/report/payment_mapper.dart';
 import 'package:pweb/utils/clipboard.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentSummaryCard extends StatelessWidget {
   final Payment payment;
 
@@ -25,7 +23,7 @@ class PaymentSummaryCard extends StatelessWidget {
   Widget build(BuildContext context) {
     final loc = AppLocalizations.of(context)!;
     final theme = Theme.of(context);
-    final unavailableValue = unavailableMoneyValue(context);
+    final unavailableValue = loc.valueUnavailable;
     final status = statusFromPayment(payment);
     final dateLabel = formatDateLabel(context, resolvePaymentDate(payment));
 

frontend/pweb/lib/pages/report/operations/actions.dart

@@ -12,11 +12,9 @@ Future<void> pickOperationsRange(
   ReportOperationsController controller,
 ) async {
   final now = DateTime.now();
-  final initial = controller.selectedRange ??
+  final initial =
-      DateTimeRange(
+      controller.selectedRange ??
-        start: now.subtract(const Duration(days: 30)),
+      DateTimeRange(start: now.subtract(const Duration(days: 30)), end: now);
-        end: now,
-      );
 
   final picked = await showDateRangePicker(
     context: context,

frontend/pweb/lib/pages/report/table/row.dart

@@ -1,9 +1,7 @@
 import 'package:flutter/material.dart';
 
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/operation.dart';
 import 'package:pshared/models/payment/status.dart';
-import 'package:pshared/utils/currency.dart';
 
 import 'package:pweb/pages/report/table/badge.dart';
 import 'package:pweb/utils/money_display.dart';
@@ -38,13 +36,15 @@ class OperationRow {
             label: Text(loc.downloadAct),
           )
         : Text(op.fileName ?? '');
-    final amountLabel = formatMoneyUiWithL10n(
+    final amountLabel = formatAmountUi(
-      loc,
+      context,
-      Money(amount: amountToString(op.amount), currency: op.currency),
+      amount: op.amount,
+      currency: op.currency,
     );
-    final toAmountLabel = formatMoneyUiWithL10n(
+    final toAmountLabel = formatAmountUi(
-      loc,
+      context,
-      Money(amount: amountToString(op.toAmount), currency: op.toCurrency),
+      amount: op.toAmount,
+      currency: op.toCurrency,
     );
 
     return DataRow(

frontend/pweb/lib/providers/multiple_payouts.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/foundation.dart';
 
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
+
 import 'package:pshared/models/payment/payment.dart';
 import 'package:pshared/models/payment/quote/quote.dart';
 import 'package:pshared/models/payment/quote/status_type.dart';
@@ -89,14 +90,16 @@ class MultiplePayoutsProvider extends ChangeNotifier {
   Money? get requestedSentAmount {
     if (_rows.isEmpty) return null;
     const currency = 'RUB';
+    final rubCurrency = money2CurrencyFromCode(currency);
+    if (rubCurrency == null) return null;
 
-    double total = 0;
+    Money? total;
     for (final row in _rows) {
-      final value = parseMoneyAmount(row.amount, fallback: double.nan);
+      final value = parseMoneyWithCurrency(row.amount, rubCurrency);
-      if (value.isNaN) return null;
+      if (value == null) return null;
-      total += value;
+      total = total == null ? value : total + value;
     }
-    return Money(amount: amountToString(total), currency: currency);
+    return total;
   }
 
   Money? aggregateSettlementAmountForCurrency(String? sourceCurrencyCode) {
@@ -118,11 +121,11 @@ class MultiplePayoutsProvider extends ChangeNotifier {
     final fee = aggregateFeeAmountForCurrency(sourceCurrencyCode);
     if (debit == null || fee == null) return null;
 
-    final debitValue = parseMoneyAmount(debit.amount, fallback: double.nan);
+    final debitValue = debit;
-    final feeValue = parseMoneyAmount(fee.amount, fallback: double.nan);
+    final feeValue = fee;
-    if (debit.currency.toUpperCase() != fee.currency.toUpperCase()) return null;
+    if (debitValue.currency.isoCode != feeValue.currency.isoCode) return null;
-    if (debitValue.isNaN || feeValue.isNaN || debitValue <= 0) return null;
+    if (!debitValue.isPositive) return null;
-    return (feeValue / debitValue) * 100;
+    return (feeValue.toDecimal() / debitValue.toDecimal()).toDouble() * 100;
   }
 
   Future<void> quoteFromCsv({
@@ -279,8 +282,8 @@ class MultiplePayoutsProvider extends ChangeNotifier {
     final sentAmount = requestedSentAmount;
     if (sentAmount == null) return null;
     return <String, String>{
-      UploadMetadataKeys.amount: sentAmount.amount,
+      UploadMetadataKeys.amount: sentAmount.toDecimal().toString(),
-      UploadMetadataKeys.currency: sentAmount.currency,
+      UploadMetadataKeys.currency: sentAmount.currency.isoCode,
     };
   }
 
@@ -290,10 +293,12 @@ class MultiplePayoutsProvider extends ChangeNotifier {
   ) {
     if (values == null || values.isEmpty) return null;
 
-    if (sourceCurrencyCode != null && sourceCurrencyCode.isNotEmpty) {
+    final sourceCurrency =
-      final sourceCurrency = sourceCurrencyCode.trim().toUpperCase();
+        money2CurrencyFromCode(sourceCurrencyCode)?.isoCode ??
+        sourceCurrencyCode;
+    if (sourceCurrency != null) {
       for (final value in values) {
-        if (value.currency.toUpperCase() == sourceCurrency) {
+        if (value.currency.isoCode == sourceCurrency) {
           return value;
         }
       }

frontend/pweb/lib/providers/wallet_transactions.dart

@@ -1,48 +0,0 @@
-import 'package:flutter/foundation.dart';
-
-import 'package:pweb/models/wallet/wallet_transaction.dart';
-import 'package:pweb/services/wallet_transactions.dart';
-
-
-class WalletTransactionsProvider extends ChangeNotifier {
-  final WalletTransactionsService _service;
-
-  WalletTransactionsProvider(this._service);
-
-  List<WalletTransaction> _transactions = const [];
-  bool _isLoading = false;
-  String? _error;
-  String? _walletId;
-  int _loadSeq = 0;
-
-  List<WalletTransaction> get transactions => List.unmodifiable(_transactions);
-  bool get isLoading => _isLoading;
-  String? get error => _error;
-  String? get walletId => _walletId;
-
-  Future<void> load({String? walletId}) async {
-    final targetWalletId = walletId ?? _walletId;
-    final requestSeq = ++_loadSeq;
-    _walletId = targetWalletId;
-    _isLoading = true;
-    _error = null;
-    notifyListeners();
-
-    try {
-      final fetched = await _service.fetchHistory(walletId: targetWalletId);
-      if (requestSeq != _loadSeq) return;
-
-      _transactions = targetWalletId == null
-          ? fetched
-          : fetched.where((tx) => tx.walletId == targetWalletId).toList();
-    } catch (e) {
-      if (requestSeq != _loadSeq) return;
-      _error = e.toString();
-    } finally {
-      if (requestSeq == _loadSeq) {
-        _isLoading = false;
-        notifyListeners();
-      }
-    }
-  }
-}

frontend/pweb/lib/services/wallet_transactions.dart

@@ -1,109 +0,0 @@
-import 'package:pshared/models/payment/status.dart';
-import 'package:pshared/models/currency.dart';
-
-import 'package:pweb/models/wallet/wallet_transaction.dart';
-
-
-abstract class WalletTransactionsService {
-  Future<List<WalletTransaction>> fetchHistory({String? walletId});
-}
-
-class MockWalletTransactionsService implements WalletTransactionsService {
-  final List<WalletTransaction> _history = [
-    WalletTransaction(
-      id: 'wt-001',
-      walletId: '1124',
-      type: WalletTransactionType.topUp,
-      status: OperationStatus.success,
-      amount: 150000,
-      currency: Currency.rub,
-      date: DateTime(2024, 9, 14, 10, 12),
-      counterparty: 'VISA ••0019',
-      description: 'Top up via corporate card',
-      balanceAfter: 10150000,
-    ),
-    WalletTransaction(
-      id: 'wt-002',
-      walletId: '1124',
-      type: WalletTransactionType.payout,
-      status: OperationStatus.processing,
-      amount: 2500,
-      currency: Currency.rub,
-      date: DateTime(2024, 9, 15, 12, 10),
-      counterparty: 'Bank transfer RU239',
-      description: 'Invoice #239 shipping',
-      balanceAfter: 10147500,
-    ),
-    WalletTransaction(
-      id: 'wt-003',
-      walletId: '1124',
-      type: WalletTransactionType.payout,
-      status: OperationStatus.error,
-      amount: 1200,
-      currency: Currency.rub,
-      date: DateTime(2024, 9, 13, 16, 40),
-      counterparty: '4000 **** 0077',
-      description: 'Payout to card declined',
-      balanceAfter: 10000000,
-    ),
-    WalletTransaction(
-      id: 'wt-004',
-      walletId: '2124',
-      type: WalletTransactionType.topUp,
-      status: OperationStatus.success,
-      amount: 1800,
-      currency: Currency.usd,
-      date: DateTime(2024, 9, 12, 9, 0),
-      counterparty: 'Wire payment 8831',
-      description: 'Top up via USD wire',
-      balanceAfter: 4300.5,
-    ),
-    WalletTransaction(
-      id: 'wt-005',
-      walletId: '2124',
-      type: WalletTransactionType.payout,
-      status: OperationStatus.success,
-      amount: 400,
-      currency: Currency.usd,
-      date: DateTime(2024, 9, 16, 14, 30),
-      counterparty: 'IBAN DE09••1122',
-      description: 'Payout to John Snow',
-      balanceAfter: 3900.5,
-    ),
-    WalletTransaction(
-      id: 'wt-006',
-      walletId: '1124',
-      type: WalletTransactionType.payout,
-      status: OperationStatus.success,
-      amount: 70000,
-      currency: Currency.rub,
-      date: DateTime(2024, 9, 17, 8, 45),
-      counterparty: 'Payroll batch',
-      description: 'Monthly reimbursements',
-      balanceAfter: 10080000,
-    ),
-    WalletTransaction(
-      id: 'wt-007',
-      walletId: '1124',
-      type: WalletTransactionType.topUp,
-      status: OperationStatus.processing,
-      amount: 200000,
-      currency: Currency.rub,
-      date: DateTime(2024, 9, 18, 9, 30),
-      counterparty: 'Bank wire RU511',
-      description: 'Top up pending confirmation',
-      balanceAfter: 10280000,
-    ),
-  ];
-
-  @override
-  Future<List<WalletTransaction>> fetchHistory({String? walletId}) async {
-    await Future.delayed(const Duration(milliseconds: 350));
-    
-    final source = walletId == null
-        ? _history
-        : _history.where((tx) => tx.walletId == walletId).toList();
-
-    return List<WalletTransaction>.from(source);
-  }
-}

frontend/pweb/lib/utils/money_display.dart

@@ -1,96 +1,27 @@
 import 'package:flutter/widgets.dart';
 
-import 'package:pshared/models/asset.dart';
+import 'package:money2/money2.dart';
-import 'package:pshared/models/money.dart';
+
 import 'package:pshared/utils/currency.dart';
-import 'package:pshared/utils/money.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
-String unavailableMoneyValue(BuildContext context) {
+String formatMoneyUi(BuildContext context, Money? money) {
-  return AppLocalizations.of(context)!.valueUnavailable;
+  final l10n = AppLocalizations.of(context)!;
-}
+  if (money == null) return l10n.valueUnavailable;
-
+  return money.toString();
-String unavailableMoneyValueFromL10n(AppLocalizations l10n) {
-  return l10n.valueUnavailable;
-}
-
-String formatMoneyUi(
-  BuildContext context,
-  Money? money, {
-  String separator = ' ',
-}) {
-  return formatMoneyUiWithL10n(
-    AppLocalizations.of(context)!,
-    money,
-    separator: separator,
-  );
-}
-
-String formatMoneyUiWithL10n(
-  AppLocalizations l10n,
-  Money? money, {
-  String separator = ' ',
-}) {
-  final unavailableValue = unavailableMoneyValueFromL10n(l10n);
-  return formatMoneyDisplay(
-    money,
-    fallback: unavailableValue,
-    invalidAmountFallback: unavailableValue,
-    separator: separator,
-  );
 }
 
 String formatAmountUi(
   BuildContext context, {
   required double amount,
   required String currency,
-  String separator = ' ',
 }) {
-  return formatAmountUiWithL10n(
+  final l10n = AppLocalizations.of(context)!;
-    AppLocalizations.of(context)!,
+  final moneyCurrency = money2CurrencyFromCode(currency);
-    amount: amount,
+  if (moneyCurrency == null) return l10n.valueUnavailable;
-    currency: currency,
-    separator: separator,
-  );
-}
 
-String formatAmountUiWithL10n(
+  final money = Money.fromNumWithCurrency(amount, moneyCurrency);
-  AppLocalizations l10n, {
+  return money.toString();
-  required double amount,
-  required String currency,
-  String separator = ' ',
-}) {
-  return formatMoneyUiWithL10n(
-    l10n,
-    Money(amount: amountToString(amount), currency: currency),
-    separator: separator,
-  );
-}
-
-String formatAssetUi(
-  BuildContext context,
-  Asset? asset, {
-  String separator = ' ',
-}) {
-  return formatAssetUiWithL10n(
-    AppLocalizations.of(context)!,
-    asset,
-    separator: separator,
-  );
-}
-
-String formatAssetUiWithL10n(
-  AppLocalizations l10n,
-  Asset? asset, {
-  String separator = ' ',
-}) {
-  if (asset == null) return unavailableMoneyValueFromL10n(l10n);
-  return formatAmountUiWithL10n(
-    l10n,
-    amount: asset.amount,
-    currency: currencyCodeToString(asset.currency),
-    separator: separator,
-  );
 }

frontend/pweb/lib/utils/payment/multiple/csv_parser.dart

@@ -1,5 +1,3 @@
-import 'package:pshared/utils/money.dart';
-
 import 'package:pweb/models/payment/multiple_payouts/csv_row.dart';
 
 
@@ -82,8 +80,8 @@ class MultipleCsvParser {
         throw FormatException('CSV row ${i + 1}: amount is required');
       }
 
-      final parsedAmount = parseMoneyAmount(amount, fallback: double.nan);
+      final parsedAmount = double.tryParse(amount);
-      if (parsedAmount.isNaN || parsedAmount <= 0) {
+      if (parsedAmount == null || parsedAmount <= 0) {
         throw FormatException(
           'CSV row ${i + 1}: amount must be greater than 0',
         );

frontend/pweb/lib/utils/payment/multiple/intent_builder.dart

@@ -1,4 +1,3 @@
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/customer.dart';
 import 'package:pshared/models/payment/fees/treatment.dart';
 import 'package:pshared/models/payment/intent.dart';
@@ -6,6 +5,7 @@ import 'package:pshared/models/payment/kind.dart';
 import 'package:pshared/models/payment/methods/card.dart';
 import 'package:pshared/models/payment/methods/data.dart';
 import 'package:pshared/models/payment/settlement_mode.dart';
+import 'package:pshared/utils/money.dart';
 import 'package:pshared/utils/payment/fx_helpers.dart';
 
 import 'package:pweb/models/payment/multiple_payouts/csv_row.dart';
@@ -30,7 +30,12 @@ class MultipleIntentBuilder {
         .map((entry) {
           final rowIndex = entry.key;
           final row = entry.value;
-          final amount = Money(amount: row.amount, currency: _currency);
+          final amount = parseMoneyWithCurrencyCode(row.amount, _currency);
+          if (amount == null) {
+            throw FormatException(
+              'Invalid CSV amount at row ${rowIndex + 1}: ${row.amount}',
+            );
+          }
           final destination = CardPaymentMethod(
             pan: row.pan,
             firstName: row.firstName,

frontend/pweb/lib/utils/report/format.dart

@@ -2,15 +2,14 @@ import 'package:flutter/material.dart';
 
 import 'package:intl/intl.dart';
 
-import 'package:pshared/models/money.dart';
+import 'package:money2/money2.dart';
+
 import 'package:pshared/utils/localization.dart';
+
 import 'package:pweb/utils/money_display.dart';
 
 
 String formatMoney(BuildContext context, Money? money) {
-  if (money == null || money.amount.trim().isEmpty) {
-    return unavailableMoneyValue(context);
-  }
   return formatMoneyUi(context, money);
 }
 

frontend/pweb/lib/utils/report/payment_mapper.dart

@@ -3,7 +3,6 @@ import 'package:pshared/models/payment/operation.dart';
 import 'package:pshared/models/payment/payment.dart';
 import 'package:pshared/models/payment/state.dart';
 import 'package:pshared/models/payment/status.dart';
-import 'package:pshared/utils/money.dart';
 
 import 'package:pweb/utils/payment/upload_metadata.dart';
 import 'package:pweb/utils/report/operations/document_rule.dart';
@@ -14,12 +13,12 @@ OperationItem mapPaymentToOperation(Payment payment) {
   final settlement = payment.lastQuote?.amounts?.destinationSettlement;
   final amountMoney = debit ?? settlement;
 
-  final amount = parseMoneyAmount(amountMoney?.amount);
+  final amount = amountMoney?.toDouble() ?? 0;
-  final currency = amountMoney?.currency ?? '';
+  final currency = amountMoney?.currency.isoCode ?? '';
   final toAmount = settlement == null
       ? amount
-      : parseMoneyAmount(settlement.amount);
+      : settlement.toDouble();
-  final toCurrency = settlement?.currency ?? currency;
+  final toCurrency = settlement?.currency.isoCode ?? currency;
 
   final payId = _firstNonEmpty([payment.paymentRef]) ?? '-';
   final name =

frontend/pweb/lib/widgets/payment/source_wallet_selector/balance_formatter.dart

@@ -1,31 +1,28 @@
 import 'package:flutter/widgets.dart';
 
 import 'package:pshared/models/ledger/account.dart';
-import 'package:pshared/models/money.dart';
 import 'package:pshared/models/payment/wallet.dart';
 import 'package:pshared/utils/currency.dart';
+import 'package:pshared/utils/money.dart';
 
 import 'package:pweb/utils/money_display.dart';
 
 
 String walletBalance(BuildContext context, Wallet wallet) {
-  return formatMoneyUi(
+  return formatAmountUi(
     context,
-    Money(
+    amount: wallet.balance,
-      amount: amountToString(wallet.balance),
+    currency: currencyCodeToString(wallet.currency),
-      currency: currencyCodeToString(wallet.currency),
-    ),
   );
 }
 
 String ledgerBalance(BuildContext context, LedgerAccount account) {
   final money = account.balance?.balance;
-  final effectiveCurrency = (money?.currency.trim().isNotEmpty ?? false)
+  final effectiveCurrency = (money?.currency.isoCode.trim().isNotEmpty ?? false)
-      ? money!.currency
+      ? money!.currency.isoCode
       : account.currency;
+  final effectiveMoney =
+      money ?? parseMoneyWithCurrencyCode('0', effectiveCurrency);
 
-  return formatMoneyUi(
+  return formatMoneyUi(context, effectiveMoney);
-    context,
-    Money(amount: money?.amount ?? '', currency: effectiveCurrency),
-  );
 }

frontend/pweb/pubspec.yaml

@@ -70,7 +70,7 @@ dependencies:
   qr_flutter: ^4.1.0
   duration: ^4.0.3
   universal_html: ^2.3.0
-
+  money2: ^6.3.0
 
 
 dev_dependencies: