Function bootstrap

packages/node/src/init.ts:29–62

()

notifyUpdates(pjson, logger);

export async function bootstrap(): Promise<void> {
  const port = await getValidPort(argv.port);

  try {
    const app = await NestFactory.create(AppModule, {
      logger: new NestLogger(!!argv.debug),
    });
    await app.init();

    const projectService: ProjectService = app.get('IProjectService');
    const fetchService = app.get(FetchService);
    const runtimeService: RuntimeService = app.get('RuntimeService');
    const dictionaryService: SubstrateDictionaryService =
      app.get(DictionaryService);
    const blockchainService: IBlockchainService = app.get('IBlockchainService');

    // Initialise async services, we do this here rather than in factories, so we can capture one off events
    await projectService.init();

    const startHeight = projectService.startHeight;
    const { blockHeight: finalizedHeight } =
      await blockchainService.getFinalizedHeader();
    await runtimeService.init(startHeight, finalizedHeight, dictionaryService);
    await fetchService.init(startHeight);

    app.enableShutdownHooks();

    await app.listen(port);

    logger.info(`Node started on port: ${port}`);
  } catch (e) {
    exitWithError(new Error(`Node failed to start`, { cause: e }), logger);
  }
}