+ quotation provider

frontend/pshared/lib/models/payment/methods/crypto_address.dart

@@ -1,18 +1,21 @@
 import 'package:pshared/models/payment/methods/data.dart';
+import 'package:pshared/models/payment/asset.dart';
 import 'package:pshared/models/payment/type.dart';
 
 
-class CryptoAddressPaymentMethod extends PaymentMethodData {
+class CryptoAddressPaymentMethod implements PaymentMethodData {
   @override
-  final PaymentType type = PaymentType.cryptoAddress;
-
+  final PaymentType type = PaymentType.externalChain;
+  final PaymentAsset? asset;
   final String address;
-  final String network;
-  final String? destinationTag;
+  final String? memo;
+  @override
+  final Map<String, String>? metadata;
 
-  CryptoAddressPaymentMethod({
+  const CryptoAddressPaymentMethod({
+    this.asset,
     required this.address,
-    required this.network,
-    this.destinationTag,
+    this.memo,
+    this.metadata,
   });
 }