示例#1
0
// NewApp constructs an new App instance from the provided config.
func NewApp(config config.Config) (app *App, err error) {
	entityManager, err := db.NewEntityManager(config.Database.Type, config.Database.Url)
	if err != nil {
		return
	}
	repository, err := db.NewRepository(config.Database.Type, config.Database.Url)
	if err != nil {
		return
	}

	h := horizon.New(*config.Horizon)

	if config.NetworkPassphrase == "" {
		config.NetworkPassphrase = "Test SDF Network ; September 2015"
	}

	log.Print("Creating and initializing TransactionSubmitter")
	ts := submitter.NewTransactionSubmitter(&h, &entityManager, config.NetworkPassphrase)
	if err != nil {
		return
	}

	log.Print("Initializing Authorizing account")

	if config.Accounts.AuthorizingSeed == nil {
		log.Warning("No accounts.authorizing_seed param. Skipping...")
	} else {
		err = ts.InitAccount(*config.Accounts.AuthorizingSeed)
		if err != nil {
			return
		}
	}

	if config.Accounts.IssuingSeed == nil {
		log.Warning("No accounts.issuing_seed param. Skipping...")
	} else {
		log.Print("Initializing Issuing account")
		err = ts.InitAccount(*config.Accounts.IssuingSeed)
		if err != nil {
			return
		}
	}

	log.Print("TransactionSubmitter created")

	log.Print("Creating and starting PaymentListener")

	if config.Accounts.ReceivingAccountId == nil {
		log.Warning("No accounts.receiving_account_id param. Skipping...")
	} else if config.Hooks.Receive == nil {
		log.Warning("No hooks.receive param. Skipping...")
	} else {
		var paymentListener listener.PaymentListener
		paymentListener, err = listener.NewPaymentListener(&config, &entityManager, &h, &repository, time.Now)
		if err != nil {
			return
		}
		err = paymentListener.Listen()
		if err != nil {
			return
		}

		log.Print("PaymentListener created")
	}

	if len(config.ApiKey) > 0 && len(config.ApiKey) < 15 {
		err = errors.New("api-key have to be at least 15 chars long.")
		return
	}

	app = &App{
		config:               config,
		entityManager:        &entityManager,
		horizon:              &h,
		repository:           &repository,
		transactionSubmitter: &ts,
	}
	return
}
示例#2
0
// NewApp constructs an new App instance from the provided config.
func NewApp(config config.Config, migrateFlag bool) (app *App, err error) {
	var g inject.Graph

	var driver db.Driver
	switch config.Database.Type {
	case "mysql":
		driver = &mysql.Driver{}
	case "postgres":
		driver = &postgres.Driver{}
	case "":
		// Allow to start gateway server with a single endpoint: /payment
		break
	default:
		return nil, fmt.Errorf("%s database has no driver", config.Database.Type)
	}

	var entityManager db.EntityManagerInterface
	var repository db.RepositoryInterface

	if driver != nil {
		err = driver.Init(config.Database.URL)
		if err != nil {
			err = fmt.Errorf("Cannot connect to a DB: %s", err)
			return
		}

		entityManager = db.NewEntityManager(driver)
		repository = db.NewRepository(driver)
	}

	if migrateFlag {
		if driver == nil {
			log.Fatal("No database driver.")
			return
		}

		var migrationsApplied int
		migrationsApplied, err = driver.MigrateUp("gateway")
		if err != nil {
			return
		}

		log.Info("Applied migrations: ", migrationsApplied)
		os.Exit(0)
		return
	}

	h := horizon.New(config.Horizon)

	log.Print("Creating and initializing TransactionSubmitter")
	ts := submitter.NewTransactionSubmitter(&h, entityManager, config.NetworkPassphrase, time.Now)
	if err != nil {
		return
	}

	log.Print("Initializing Authorizing account")

	if config.Accounts.AuthorizingSeed == "" {
		log.Warning("No accounts.authorizing_seed param. Skipping...")
	} else {
		err = ts.InitAccount(config.Accounts.AuthorizingSeed)
		if err != nil {
			return
		}
	}

	if config.Accounts.BaseSeed == "" {
		log.Warning("No accounts.base_seed param. Skipping...")
	} else {
		log.Print("Initializing Base account")
		err = ts.InitAccount(config.Accounts.BaseSeed)
		if err != nil {
			return
		}
	}

	log.Print("TransactionSubmitter created")

	log.Print("Creating and starting PaymentListener")

	var paymentListener listener.PaymentListener

	if config.Accounts.ReceivingAccountID == "" {
		log.Warning("No accounts.receiving_account_id param. Skipping...")
	} else if config.Callbacks.Receive == "" {
		log.Warning("No callbacks.receive param. Skipping...")
	} else {
		paymentListener, err = listener.NewPaymentListener(&config, entityManager, &h, repository, time.Now)
		if err != nil {
			return
		}
		err = paymentListener.Listen()
		if err != nil {
			return
		}

		log.Print("PaymentListener created")
	}

	if len(config.APIKey) > 0 && len(config.APIKey) < 15 {
		err = errors.New("api-key have to be at least 15 chars long")
		return
	}

	requestHandler := handlers.RequestHandler{}

	err = g.Provide(
		&inject.Object{Value: &requestHandler},
		&inject.Object{Value: &config},
		&inject.Object{Value: &stellartoml.Resolver{}},
		&inject.Object{Value: &federation.Resolver{}},
		&inject.Object{Value: &h},
		&inject.Object{Value: &ts},
		&inject.Object{Value: &paymentListener},
		&inject.Object{Value: &http.Client{}},
	)

	if err != nil {
		log.Fatal("Injector: ", err)
	}

	if err := g.Populate(); err != nil {
		log.Fatal("Injector: ", err)
	}

	app = &App{
		config:         config,
		requestHandler: requestHandler,
	}
	return
}