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feat(test): ltc mweb integration test
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‎lib/services/testing/test_suites/litecoin_mweb_integration_test_suite.dart‎

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/*
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* This file is part of Stack Wallet.
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*
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* Copyright (c) 2025 Cypher Stack
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* All Rights Reserved.
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* The code is distributed under GPLv3 license, see LICENSE file for details.
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* Generated by Cypher Stack on 2025-08-14
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*
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*/
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import 'dart:async';
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import 'dart:io';
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import 'dart:math';
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import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:logger/logger.dart';
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import 'package:flutter_mwebd/flutter_mwebd.dart';
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import 'package:mweb_client/mweb_client.dart';
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import '../../../utilities/logger.dart';
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import '../../../utilities/stack_file_system.dart';
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import '../test_suite_interface.dart';
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import '../testing_models.dart';
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class LitecoinMwebIntegrationTestSuite implements TestSuiteInterface {
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final StreamController<TestSuiteStatus> _statusController =
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StreamController<TestSuiteStatus>.broadcast();
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TestSuiteStatus _status = TestSuiteStatus.waiting;
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@override
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String get displayName => "Litecoin MWEB Integration";
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@override
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Widget get icon => const Icon(Icons.currency_bitcoin, size: 32);
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@override
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TestSuiteStatus get status => _status;
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@override
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Stream<TestSuiteStatus> get statusStream => _statusController.stream;
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@override
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Future<TestResult> runTests() async {
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final stopwatch = Stopwatch()..start();
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try {
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_updateStatus(TestSuiteStatus.running);
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Logging.instance.log(Level.info, "Starting Litecoin MWEB integration test suite...");
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await _testMwebdServerCreation();
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// await _testMwebdServerStatus();
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// await _testMwebClientConnection();
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stopwatch.stop();
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_updateStatus(TestSuiteStatus.passed);
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return TestResult(
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success: true,
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message: "👍👍 All Litecoin MWEB integration tests passed successfully",
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executionTime: stopwatch.elapsed,
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);
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} catch (e, stackTrace) {
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stopwatch.stop();
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_updateStatus(TestSuiteStatus.failed);
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Logging.instance.log(Level.error,
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"Litecoin MWEB integration test suite failed: $e\n$stackTrace"
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);
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return TestResult(
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success: false,
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message: "Litecoin MWEB integration tests failed: $e",
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executionTime: stopwatch.elapsed,
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);
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}
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}
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Future<void> _testMwebdServerCreation() async {
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Logging.instance.log(Level.info, "Testing MWEB server creation...");
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MwebdServer? server;
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try {
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// Get a random unused port for testing.
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final port = await _getRandomUnusedPort();
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if (port == null) {
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throw Exception("Could not find an unused port for mwebd test");
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}
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// Get test data directory.
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final dir = await StackFileSystem.applicationMwebdDirectory("testnet");
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// Create MwebdServer instance - this tests FFI integration.
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server = MwebdServer(
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chain: "testnet",
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dataDir: dir.path,
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peer: "litecoin.stackwallet.com:19335", // testnet peer
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proxy: "", // no proxy for test
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serverPort: port,
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);
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// Test server creation - this exercises the FFI bindings.
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await server.createServer();
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await server.stopServer();
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Logging.instance.log(Level.info,
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"👍 MWEB server creation test passed"
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);
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} catch (e) {
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throw Exception("MWEB server creation test failed: $e");
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} finally {
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// Cleanup: stop server if it was created.
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if (server != null) {
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try {
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await server.stopServer();
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} catch (e) {
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Logging.instance.log(Level.warning, "Failed to stop test server: $e");
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}
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}
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}
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}
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Future<void> _testMwebdServerStatus() async {
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Logging.instance.log(Level.info, "Testing MWEB server status...");
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MwebdServer? server;
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try {
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// Get a random unused port for testing.
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final port = await _getRandomUnusedPort();
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if (port == null) {
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throw Exception("Could not find an unused port for mwebd test");
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}
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// Get test data directory.
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final dir = await StackFileSystem.applicationMwebdDirectory("testnet");
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// Create and start MwebdServer.
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server = MwebdServer(
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chain: "testnet",
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dataDir: dir.path,
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peer: "litecoin.stackwallet.com:19335", // Testnet peer.
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proxy: "", // No proxy for test.
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serverPort: port,
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);
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await server.createServer();
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await server.startServer();
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// Test getting server status - this tests FFI status calls.
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final status = await server.getStatus();
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// Verify we got a status response.
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if (status.blockHeaderHeight < 0) {
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throw Exception("Invalid block header height in status: ${status.blockHeaderHeight}");
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}
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// Status should have reasonable values (not necessarily synced for test).
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if (status.mwebHeaderHeight < 0) {
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throw Exception("Invalid MWEB header height in status: ${status.mwebHeaderHeight}");
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}
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Logging.instance.log(Level.info,
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"👍 MWEB server status test passed (blockHeight: ${status.blockHeaderHeight}, mwebHeight: ${status.mwebHeaderHeight})"
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);
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} catch (e) {
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throw Exception("MWEB server status test failed: $e");
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} finally {
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// Cleanup: stop server if it was created.
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if (server != null) {
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try {
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await server.stopServer();
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} catch (e) {
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Logging.instance.log(Level.warning, "Failed to stop test server: $e");
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}
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}
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}
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}
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Future<void> _testMwebClientConnection() async {
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Logging.instance.log(Level.info, "Testing MWEB client connection...");
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MwebdServer? server;
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MwebClient? client;
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try {
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// Get a random unused port for testing.
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final port = await _getRandomUnusedPort();
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if (port == null) {
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throw Exception("Could not find an unused port for mwebd test");
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}
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// Get test data directory.
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final dir = await StackFileSystem.applicationMwebdDirectory("testnet");
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// Create and start MwebdServer.
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server = MwebdServer(
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chain: "testnet",
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dataDir: dir.path,
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peer: "litecoin.stackwallet.com:19335", // testnet peer.
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proxy: "", // no proxy for test.
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serverPort: port,
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);
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await server.createServer();
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await server.startServer();
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// Create MwebClient to connect to the server.
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client = MwebClient.fromHost("127.0.0.1", port);
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// Test basic client operations.
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// Generate dummy scan and spend secrets for testing.
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final testScanSecret = Uint8List.fromList(
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List.generate(32, (index) => index + 1)
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);
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final testSpendPub = Uint8List.fromList(
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List.generate(33, (index) => index + 1)
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);
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// Test address generation - this tests the client FFI integration.
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final mwebAddress = await client.address(
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testScanSecret,
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testSpendPub,
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0, // index
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);
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// Verify we got a valid MWEB address.
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if (mwebAddress.isEmpty) {
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throw Exception("Generated MWEB address is empty");
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}
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// MWEB addresses should start with "ltcmweb" for testnet.
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if (!mwebAddress.startsWith("ltcmweb")) {
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throw Exception("Generated MWEB address does not have expected prefix: $mwebAddress");
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}
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Logging.instance.log(Level.info,
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"👍 MWEB client connection test passed: $mwebAddress"
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);
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} catch (e) {
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throw Exception("MWEB client connection test failed: $e");
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} finally {
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// Cleanup.
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if (client != null) {
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try {
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await client.cleanup();
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} catch (e) {
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Logging.instance.log(Level.warning, "Failed to cleanup test client: $e");
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}
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}
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if (server != null) {
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try {
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await server.stopServer();
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} catch (e) {
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Logging.instance.log(Level.warning, "Failed to stop test server: $e");
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}
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}
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}
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}
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void _updateStatus(TestSuiteStatus newStatus) {
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_status = newStatus;
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_statusController.add(newStatus);
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}
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@override
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Future<void> cleanup() async {
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await _statusController.close();
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}
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}
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// Helper function to get a random unused port.
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Future<int?> _getRandomUnusedPort({Set<int> excluded = const {}}) async {
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const int minPort = 1024;
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const int maxPort = 65535;
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const int maxAttempts = 100;
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final random = Random.secure();
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for (int i = 0; i < maxAttempts; i++) {
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final int potentialPort = minPort + random.nextInt(maxPort - minPort + 1);
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if (excluded.contains(potentialPort)) {
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continue;
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}
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try {
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final serverSocket = await ServerSocket.bind(
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InternetAddress.anyIPv4,
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potentialPort,
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);
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await serverSocket.close();
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return potentialPort;
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} catch (_) {
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excluded.add(potentialPort);
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continue;
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}
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}
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return null;
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}

‎lib/services/testing/testing_models.dart‎

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@@ -31,7 +31,8 @@ enum IntegrationTestType implements TestType {
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wowneroIntegration,
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salviumIntegration,
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epiccashIntegration,
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firoIntegration;
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firoIntegration,
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litecoinMwebIntegration;
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@override
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String get displayName {
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return "Epic Cash Integration";
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case IntegrationTestType.firoIntegration:
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return "Firo Integration";
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case IntegrationTestType.litecoinMwebIntegration:
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return "Litecoin MWEB Integration";
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}
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}
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return "Tests Epic Cash FFI plugin integration and basic functionality";
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case IntegrationTestType.firoIntegration:
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return "Tests Firo flutter_libsparkmobile FFI plugin integration and basic functionality";
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case IntegrationTestType.litecoinMwebIntegration:
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return "Tests Litecoin MWEB flutter_mwebd FFI plugin integration and basic functionality";
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}
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}
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}

‎lib/services/testing/testing_service.dart‎

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import 'test_suites/salvium_integration_test_suite.dart';
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import 'test_suites/epiccash_integration_test_suite.dart';
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import 'test_suites/firo_integration_test_suite.dart';
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import 'test_suites/litecoin_mweb_integration_test_suite.dart';
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final testingServiceProvider = StateNotifierProvider<TestingService, TestingSessionState>((ref) {
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return TestingService();
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_integrationTestSuites[IntegrationTestType.salviumIntegration] = SalviumIntegrationTestSuite();
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_integrationTestSuites[IntegrationTestType.epiccashIntegration] = EpiccashIntegrationTestSuite();
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_integrationTestSuites[IntegrationTestType.firoIntegration] = FiroIntegrationTestSuite();
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_integrationTestSuites[IntegrationTestType.litecoinMwebIntegration] = LitecoinMwebIntegrationTestSuite();
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}
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void _initializeWalletTestSuites() {

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