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reduct, { Injector } from 'reduct'\nimport { partial } from 'lodash'\nimport { create as createLogger } from './common/log'\nconst log = createLogger('app')\n\nimport Config from './services/config'\nimport RouteBuilder from './services/route-builder'\nimport RouteBroadcaster from './services/route-broadcaster'\nimport Accounts from './services/accounts'\nimport RateBackend from './services/rate-backend'\nimport Store from './services/store'\nimport MiddlewareManager from './services/middleware-manager'\nimport AdminApi from './services/admin-api'\nimport * as Prometheus from 'prom-client'\n\nconst version = require('../package.json').version\n\nfunction listen (\n config: Config,\n accounts: Accounts,\n backend: RateBackend,\n store: Store,\n routeBuilder: RouteBuilder,\n routeBroadcaster: RouteBroadcaster,\n middlewareManager: MiddlewareManager,\n adminApi: AdminApi\n) {\n // Start a coroutine that connects to the backend and\n // subscribes to all the accounts in the background\n return (async function () {\n adminApi.listen()\n\n try {\n await backend.connect()\n } catch (error) {\n log.error(error)\n process.exit(1)\n }\n\n await middlewareManager.setup()\n\n // If we have no configured ILP address, try to get one via ILDCP\n await accounts.loadIlpAddress()\n\n if (config.routeBroadcastEnabled) {\n routeBroadcaster.start()\n }\n\n // Connect other plugins, give up after initialConnectTimeout\n await new Promise((resolve, reject) => {\n const connectTimeout = setTimeout(() => {\n log.warn('one or more accounts failed to connect within the time limit, continuing anyway.')\n resolve()\n }, config.initialConnectTimeout)\n accounts.connect({ timeout: config.initialConnectTimeout })\n .then(() => {\n clearTimeout(connectTimeout)\n resolve()\n }, reject)\n })\n\n await middlewareManager.startup()\n\n if (config.collectDefaultMetrics) {\n Prometheus.collectDefaultMetrics()\n }\n\n log.info('connector ready (republic attitude). address=%s version=%s', accounts.getOwnAddress(), version)\n })().catch((err) => log.error(err))\n}\n\nasync function addPlugin (\n config: Config,\n accounts: Accounts,\n backend: RateBackend,\n routeBroadcaster: RouteBroadcaster,\n middlewareManager: MiddlewareManager,\n\n id: string,\n options: any\n) {\n accounts.add(id, options)\n const plugin = accounts.getPlugin(id)\n await middlewareManager.addPlugin(id, plugin)\n\n await plugin.connect({ timeout: Infinity })\n routeBroadcaster.track(id)\n routeBroadcaster.reloadLocalRoutes()\n}\n\nasync function removePlugin (\n config: Config,\n accounts: Accounts,\n backend: RateBackend,\n routeBroadcaster: RouteBroadcaster,\n middlewareManager: MiddlewareManager,\n\n id: string\n) {\n const plugin = accounts.getPlugin(id)\n await middlewareManager.removePlugin(id, plugin)\n await plugin.disconnect()\n routeBroadcaster.untrack(id)\n accounts.remove(id)\n routeBroadcaster.reloadLocalRoutes()\n}\n\nfunction getPlugin (\n accounts: Accounts,\n\n id: string\n) {\n return accounts.getPlugin(id)\n}\n\nfunction shutdown (\n accounts: Accounts,\n routeBroadcaster: RouteBroadcaster\n) {\n routeBroadcaster.stop()\n return accounts.disconnect()\n}\n\nexport default function createApp (opts?: object, container?: Injector) {\n const deps = container || reduct()\n\n const config = deps(Config)\n\n try {\n if (opts) {\n config.loadFromOpts(opts)\n } else {\n config.loadFromEnv()\n }\n } catch (err) {\n if (err.name === 'InvalidJsonBodyError') {\n log.warn('config validation error.')\n err.debugPrint(log.warn.bind(log))\n log.error('invalid configuration, shutting down.')\n throw new Error('failed to initialize due to invalid configuration.')\n }\n\n throw err\n }\n\n const accounts = deps(Accounts)\n const routeBuilder = deps(RouteBuilder)\n const routeBroadcaster = deps(RouteBroadcaster)\n const backend = deps(RateBackend)\n const store = deps(Store)\n const middlewareManager = deps(MiddlewareManager)\n const adminApi = deps(AdminApi)\n\n const credentials = config.accounts\n for (let id of Object.keys(credentials)) {\n accounts.add(id, credentials[id])\n }\n\n return {\n config,\n listen: partial(listen, config, accounts, backend, store, routeBuilder, routeBroadcaster, middlewareManager, adminApi),\n addPlugin: partial(addPlugin, config, accounts, backend, routeBroadcaster, middlewareManager),\n removePlugin: partial(removePlugin, config, accounts, backend, routeBroadcaster, middlewareManager),\n getPlugin: partial(getPlugin, accounts),\n shutdown: partial(shutdown, accounts, routeBroadcaster)\n }\n}\n"]} |