WIP replacement for Map<String, dynamic> transactionObject

lib/models/tx_info.dart

@@ -0,0 +1,45 @@
+import 'package:stackwallet/models/isar/models/blockchain_data/utxo.dart';
+import 'package:stackwallet/utilities/amount/amount.dart';
+
+// TODO use something like this instead of Map<String, dynamic> transactionObject
+
+class TxInfo {
+  final String hex;
+  final List<TxRecipient> recipients;
+  final Amount fee;
+  final int vSize;
+  final List<UTXO>? usedUTXOs;
+
+  TxInfo({
+    required this.hex,
+    required this.recipients,
+    required this.fee,
+    required this.vSize,
+    required this.usedUTXOs,
+  });
+
+  TxInfo copyWith({
+    String? hex,
+    List<TxRecipient>? recipients,
+    Amount? fee,
+    int? vSize,
+    List<UTXO>? usedUTXOs,
+  }) =>
+      TxInfo(
+        hex: hex ?? this.hex,
+        fee: fee ?? this.fee,
+        vSize: vSize ?? this.vSize,
+        usedUTXOs: usedUTXOs ?? this.usedUTXOs,
+        recipients: recipients ?? this.recipients,
+      );
+}
+
+class TxRecipient {
+  final String address;
+  final Amount amount;
+
+  TxRecipient({
+    required this.address,
+    required this.amount,
+  });
+}