implemented backend wallet service connection

frontend/pshared/lib/api/responses/wallet_balance.dart

@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/wallet/balance.dart';
+
+part 'wallet_balance.g.dart';
+
+
+@JsonSerializable(explicitToJson: true)
+class WalletBalanceResponse {
+  final WalletBalanceDTO balance;
+
+  const WalletBalanceResponse({required this.balance});
+
+  factory WalletBalanceResponse.fromJson(Map<String, dynamic> json) => _$WalletBalanceResponseFromJson(json);
+  Map<String, dynamic> toJson() => _$WalletBalanceResponseToJson(this);
+}

frontend/pshared/lib/api/responses/wallets.dart

@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/wallet/wallet.dart';
+
+part 'wallets.g.dart';
+
+
+@JsonSerializable(explicitToJson: true)
+class WalletsResponse {
+  final List<WalletDTO> wallets;
+
+  const WalletsResponse({required this.wallets});
+
+  factory WalletsResponse.fromJson(Map<String, dynamic> json) => _$WalletsResponseFromJson(json);
+  Map<String, dynamic> toJson() => _$WalletsResponseToJson(this);
+}

frontend/pshared/lib/data/dto/wallet/asset.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'asset.g.dart';
+
+
+@JsonSerializable()
+class WalletAssetDTO {
+  final String chain;
+  final String tokenSymbol;
+  final String contractAddress;
+
+  const WalletAssetDTO({
+    required this.chain,
+    required this.tokenSymbol,
+    required this.contractAddress,
+  });
+
+  factory WalletAssetDTO.fromJson(Map<String, dynamic> json) => _$WalletAssetDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$WalletAssetDTOToJson(this);
+}

frontend/pshared/lib/data/dto/wallet/balance.dart

@@ -0,0 +1,24 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/wallet/money.dart';
+
+part 'balance.g.dart';
+
+
+@JsonSerializable()
+class WalletBalanceDTO {
+  final MoneyDTO? available;
+  final MoneyDTO? pendingInbound;
+  final MoneyDTO? pendingOutbound;
+  final String? calculatedAt;
+
+  const WalletBalanceDTO({
+    required this.available,
+    required this.pendingInbound,
+    required this.pendingOutbound,
+    required this.calculatedAt,
+  });
+
+  factory WalletBalanceDTO.fromJson(Map<String, dynamic> json) => _$WalletBalanceDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$WalletBalanceDTOToJson(this);
+}

frontend/pshared/lib/data/dto/wallet/money.dart

@@ -0,0 +1,18 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'money.g.dart';
+
+
+@JsonSerializable()
+class MoneyDTO {
+  final String amount;
+  final String currency;
+
+  const MoneyDTO({
+    required this.amount,
+    required this.currency,
+  });
+
+  factory MoneyDTO.fromJson(Map<String, dynamic> json) => _$MoneyDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$MoneyDTOToJson(this);
+}

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

@@ -0,0 +1,34 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/wallet/asset.dart';
+
+part 'wallet.g.dart';
+
+
+@JsonSerializable()
+class WalletDTO {
+  final String walletRef;
+  final String organizationRef;
+  final String ownerRef;
+  final WalletAssetDTO asset;
+  final String depositAddress;
+  final String status;
+  final Map<String, String>? metadata;
+  final String? createdAt;
+  final String? updatedAt;
+
+  const WalletDTO({
+    required this.walletRef,
+    required this.organizationRef,
+    required this.ownerRef,
+    required this.asset,
+    required this.depositAddress,
+    required this.status,
+    this.metadata,
+    this.createdAt,
+    this.updatedAt,
+  });
+
+  factory WalletDTO.fromJson(Map<String, dynamic> json) => _$WalletDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$WalletDTOToJson(this);
+}

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

@@ -0,0 +1,15 @@
+import 'package:pshared/data/dto/wallet/balance.dart';
+import 'package:pshared/data/mapper/wallet/money.dart';
+import 'package:pshared/models/wallet/balance.dart';
+
+
+extension WalletBalanceDTOMapper on WalletBalanceDTO {
+  WalletBalance toDomain() => WalletBalance(
+    available: available?.toDomain(),
+    pendingInbound: pendingInbound?.toDomain(),
+    pendingOutbound: pendingOutbound?.toDomain(),
+    calculatedAt: (calculatedAt == null || calculatedAt!.isEmpty)
+      ? null
+      : DateTime.tryParse(calculatedAt!),
+  );
+}

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

@@ -0,0 +1,10 @@
+import 'package:pshared/data/dto/wallet/money.dart';
+import 'package:pshared/models/wallet/money.dart';
+
+
+extension MoneyDTOMapper on MoneyDTO {
+  WalletMoney toDomain() => WalletMoney(
+    amount: amount,
+    currency: currency,
+  );
+}

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

@@ -0,0 +1,14 @@
+import 'package:pshared/api/responses/wallet_balance.dart';
+import 'package:pshared/api/responses/wallets.dart';
+import 'package:pshared/data/mapper/wallet/balance.dart';
+import 'package:pshared/data/mapper/wallet/wallet.dart';
+import 'package:pshared/models/wallet/balance.dart';
+import 'package:pshared/models/wallet/wallet.dart';
+
+extension WalletsResponseMapper on WalletsResponse {
+  List<WalletModel> toDomain() => wallets.map((w) => w.toDomain()).toList();
+}
+
+extension WalletBalanceResponseMapper on WalletBalanceResponse {
+  WalletBalance toDomain() => balance.toDomain();
+}

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

@@ -0,0 +1,26 @@
+import 'package:pshared/data/dto/wallet/balance.dart';
+import 'package:pshared/data/dto/wallet/wallet.dart';
+import 'package:pshared/data/mapper/wallet/balance.dart';
+import 'package:pshared/data/mapper/wallet/money.dart';
+import 'package:pshared/models/wallet/wallet.dart';
+
+
+extension WalletDTOMapper on WalletDTO {
+  WalletModel toDomain({WalletBalanceDTO? balance}) => WalletModel(
+    walletRef: walletRef,
+    organizationRef: organizationRef,
+    ownerRef: ownerRef,
+    asset: WalletAsset(
+      chain: asset.chain,
+      tokenSymbol: asset.tokenSymbol,
+      contractAddress: asset.contractAddress,
+    ),
+    depositAddress: depositAddress,
+    status: status,
+    metadata: metadata,
+    createdAt: (createdAt == null || createdAt!.isEmpty) ? null : DateTime.tryParse(createdAt!),
+    updatedAt: (updatedAt == null || updatedAt!.isEmpty) ? null : DateTime.tryParse(updatedAt!),
+    balance: balance?.toDomain(),
+    availableMoney: balance?.available?.toDomain(),
+  );
+}

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

@@ -0,0 +1,16 @@
+import 'package:pshared/models/wallet/money.dart';
+
+
+class WalletBalance {
+  final WalletMoney? available;
+  final WalletMoney? pendingInbound;
+  final WalletMoney? pendingOutbound;
+  final DateTime? calculatedAt;
+
+  const WalletBalance({
+    required this.available,
+    required this.pendingInbound,
+    required this.pendingOutbound,
+    required this.calculatedAt,
+  });
+}

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

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

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

@@ -0,0 +1,62 @@
+import 'package:pshared/models/wallet/balance.dart';
+import 'package:pshared/models/wallet/money.dart';
+
+
+class WalletAsset {
+  final String chain;
+  final String tokenSymbol;
+  final String contractAddress;
+
+  const WalletAsset({
+    required this.chain,
+    required this.tokenSymbol,
+    required this.contractAddress,
+  });
+}
+
+class WalletModel {
+  final String walletRef;
+  final String organizationRef;
+  final String ownerRef;
+  final WalletAsset asset;
+  final String depositAddress;
+  final String status;
+  final Map<String, String>? metadata;
+  final DateTime? createdAt;
+  final DateTime? updatedAt;
+  final WalletBalance? balance;
+  final WalletMoney? availableMoney;
+
+  const WalletModel({
+    required this.walletRef,
+    required this.organizationRef,
+    required this.ownerRef,
+    required this.asset,
+    required this.depositAddress,
+    required this.status,
+    this.metadata,
+    this.createdAt,
+    this.updatedAt,
+    this.balance,
+    this.availableMoney,
+  });
+
+  WalletModel copyWith({
+    WalletBalance? balance,
+    WalletMoney? availableMoney,
+  }) {
+    return WalletModel(
+      walletRef: walletRef,
+      organizationRef: organizationRef,
+      ownerRef: ownerRef,
+      asset: asset,
+      depositAddress: depositAddress,
+      status: status,
+      metadata: metadata,
+      createdAt: createdAt,
+      updatedAt: updatedAt,
+      balance: balance ?? this.balance,
+      availableMoney: availableMoney ?? this.availableMoney,
+    );
+  }
+}

frontend/pshared/lib/service/services.dart

@@ -7,6 +7,7 @@ class Services {
   static const String organization = 'organizations';
   static const String permission = 'permissions';
   static const String storage = 'storage';
+  static const String chainWallets = 'chain_wallets';
 
   static const String amplitude = 'amplitude';
   static const String clients = 'clients';

frontend/pshared/lib/service/wallet.dart

@@ -0,0 +1,31 @@
+import 'package:pshared/api/responses/wallet_balance.dart';
+import 'package:pshared/api/responses/wallets.dart';
+import 'package:pshared/data/mapper/wallet/response.dart';
+import 'package:pshared/models/wallet/balance.dart';
+import 'package:pshared/models/wallet/wallet.dart';
+import 'package:pshared/service/authorization/service.dart';
+import 'package:pshared/service/services.dart';
+
+
+class WalletService {
+  static const String _objectType = Services.chainWallets;
+
+  static Future<List<WalletModel>> list(String organizationRef) async {
+    final json = await AuthorizationService.getGETResponse(
+      _objectType,
+      '/$organizationRef',
+    );
+    return WalletsResponse.fromJson(json).toDomain();
+  }
+
+  static Future<WalletBalance> getBalance({
+    required String organizationRef,
+    required String walletRef,
+  }) async {
+    final json = await AuthorizationService.getGETResponse(
+      _objectType,
+      '/$organizationRef/$walletRef/balance',
+    );
+    return WalletBalanceResponse.fromJson(json).toDomain();
+  }
+}