+ quotation provider

frontend/pshared/lib/data/dto/payment/intent/fx.dart

@@ -0,0 +1,34 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/payment/currency_pair.dart';
+
+part 'fx.g.dart';
+
+
+@JsonSerializable()
+class FxIntentDTO {
+  final CurrencyPairDTO? pair;
+  final String? side;
+  final bool firm;
+
+  @JsonKey(name: 'ttl_ms')
+  final int? ttlMs;
+
+  @JsonKey(name: 'preferred_provider')
+  final String? preferredProvider;
+
+  @JsonKey(name: 'max_age_ms')
+  final int? maxAgeMs;
+
+  const FxIntentDTO({
+    this.pair,
+    this.side,
+    this.firm = false,
+    this.ttlMs,
+    this.preferredProvider,
+    this.maxAgeMs,
+  });
+
+  factory FxIntentDTO.fromJson(Map<String, dynamic> json) => _$FxIntentDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$FxIntentDTOToJson(this);
+}

frontend/pshared/lib/data/dto/payment/intent/payment.dart

@@ -0,0 +1,36 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import 'package:pshared/data/dto/payment/endpoint.dart';
+import 'package:pshared/data/dto/payment/intent/fx.dart';
+import 'package:pshared/data/dto/payment/money.dart';
+
+part 'payment.g.dart';
+
+
+@JsonSerializable()
+class PaymentIntentDTO {
+  final String? kind;
+  final PaymentEndpointDTO? source;
+  final PaymentEndpointDTO? destination;
+  final MoneyDTO? amount;
+
+  final FxIntentDTO? fx;
+
+  @JsonKey(name: 'settlement_mode')
+  final String? settlementMode;
+
+  final Map<String, String>? attributes;
+
+  const PaymentIntentDTO({
+    this.kind,
+    this.source,
+    this.destination,
+    this.amount,
+    this.fx,
+    this.settlementMode,
+    this.attributes,
+  });
+
+  factory PaymentIntentDTO.fromJson(Map<String, dynamic> json) => _$PaymentIntentDTOFromJson(json);
+  Map<String, dynamic> toJson() => _$PaymentIntentDTOToJson(this);
+}