test: add payment request parsing tests for BIP21 and HTTPS URIs

Author: wired-pasteque

integration_test/payment_request_test.dart

@@ -0,0 +1,58 @@
+import 'package:bb_mobile/core/utils/payment_request.dart';
+import 'package:bb_mobile/core/wallet/domain/entities/wallet.dart';
+import 'package:bb_mobile/main.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+Future<void> main({bool isInitialized = false}) async {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  if (!isInitialized) await Bull.init();
+
+  const btcAddress = 'bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq';
+
+  const lnurlStr =
+      'lnurl1dp68gurn8ghj7um9wfmxjcm99e3k7mf0v9cxj0m385ekvcenxc6r2c35xvukxefcv5'
+      'mkvv34x5ekzd3ev56nyd3hxqurzepexejxxepnxscrvwfnv9nxzcn9xq6xyefhvgcxxcmyxy'
+      'mnserxfq5fns';
+
+  const bolt11Invoice =
+      'lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypq'
+      'dq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2aw'
+      'hz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp';
+
+  group('PaymentRequest.parse', () {
+    test('BIP21 with LNURL lightning param, label, and message', () async {
+      final input =
+          'bitcoin:$btcAddress?lightning=$lnurlStr&label=Donation&message=Thanks';
+      final result = await PaymentRequest.parse(input);
+      expect(result, isA<Bip21PaymentRequest>());
+      final bip21 = result as Bip21PaymentRequest;
+      expect(bip21.address.toLowerCase(), btcAddress);
+      expect(bip21.lightning, lnurlStr);
+      expect(bip21.label, 'Donation');
+      expect(bip21.message, 'Thanks');
+      expect(bip21.network, Network.bitcoinMainnet);
+    });
+
+    test('BIP21 with Bolt11 lightning param', () async {
+      final input = 'bitcoin:$btcAddress?lightning=$bolt11Invoice';
+      final result = await PaymentRequest.parse(input);
+      expect(result, isA<Bip21PaymentRequest>());
+      final bip21 = result as Bip21PaymentRequest;
+      expect(bip21.address.toLowerCase(), btcAddress);
+      expect(bip21.lightning, bolt11Invoice);
+      expect(bip21.network, Network.bitcoinMainnet);
+    });
+
+    test('HTTPS URL with percent-encoded LNAddress in lightning param', () async {
+      const input =
+          'https://admin.bullbitcoin.com/abc'
+          '?lightning=ishi%40walletofsatoshi.com&label=pleasefundme';
+      final result = await PaymentRequest.parse(input);
+      expect(result, isA<LnAddressPaymentRequest>());
+      expect(
+        (result as LnAddressPaymentRequest).address,
+        'ishi@walletofsatoshi.com',
+      );
+    });
+  });
+}

test/core_test/utils/payment_request_test.dart

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+// Run with: fvm flutter test test/core_test/utils/payment_request_test.dart
+// Requires native FFI (bdk) — use `flutter test`, not `dart test`.
+// The HTTPS/LNAddress test (needs boltz FFI + network) lives in
+// integration_test/payment_request_test.dart.
+
+import 'package:bb_mobile/core/utils/payment_request.dart';
+import 'package:bb_mobile/core/wallet/domain/entities/wallet.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  const btcAddress = 'bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq';
+
+  const lnurlStr =
+      'lnurl1dp68gurn8ghj7um9wfmxjcm99e3k7mf0v9cxj0m385ekvcenxc6r2c35xvukxefcv5'
+      'mkvv34x5ekzd3ev56nyd3hxqurzepexejxxepnxscrvwfnv9nxzcn9xq6xyefhvgcxxcmyxy'
+      'mnserxfq5fns';
+
+  const bolt11Invoice =
+      'lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypq'
+      'dq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2aw'
+      'hz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp';
+
+  group('PaymentRequest.parse', () {
+    // bitcoin: URI whose lightning param is a LNURL with extra query params
+    // (label, message). The parser must return bip21 with the bare lnurl string
+    // in lightning — not the whole "lnurl1…&label=…" fragment.
+    test('BIP21 with LNURL lightning param, label, and message', () async {
+      final input =
+          'bitcoin:$btcAddress?lightning=$lnurlStr&label=Donation&message=Thanks';
+      final result = await PaymentRequest.parse(input);
+      expect(result, isA<Bip21PaymentRequest>());
+      final bip21 = result as Bip21PaymentRequest;
+      expect(bip21.address.toLowerCase(), btcAddress);
+      expect(bip21.lightning, lnurlStr);
+      expect(bip21.label, 'Donation');
+      expect(bip21.message, 'Thanks');
+      expect(bip21.network, Network.bitcoinMainnet);
+    });
+
+    // bitcoin: URI whose lightning param is a standard Bolt11 invoice
+    // (2500u = 0.0025 BTC = 250 000 sats).
+    test('BIP21 with Bolt11 lightning param', () async {
+      final input = 'bitcoin:$btcAddress?lightning=$bolt11Invoice';
+      final result = await PaymentRequest.parse(input);
+      expect(result, isA<Bip21PaymentRequest>());
+      final bip21 = result as Bip21PaymentRequest;
+      expect(bip21.address.toLowerCase(), btcAddress);
+      expect(bip21.lightning, bolt11Invoice);
+      expect(bip21.network, Network.bitcoinMainnet);
+    });
+  });
+}