TRON -> TRON_MAINNET

frontend/pweb/lib/utils/download.dart

@@ -0,0 +1,25 @@
+import 'dart:typed_data';
+
+import 'package:universal_html/html.dart' as html;
+
+import 'package:pshared/models/file/downloaded_file.dart';
+
+
+Future<void> downloadFile(DownloadedFile file) async {
+  final blob = html.Blob(
+    [Uint8List.fromList(file.bytes)],
+    file.mimeType,
+  );
+
+  final url = html.Url.createObjectUrlFromBlob(blob);
+
+  final anchor = html.AnchorElement(href: url)
+    ..download = file.filename
+    ..style.display = 'none';
+
+  html.document.body!.append(anchor);
+  anchor.click();
+  anchor.remove();
+
+  html.Url.revokeObjectUrl(url);
+}