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Merge pull request #162 from getAlby/feature/webhooks
Feature/webhooks
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| package integration_tests | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "log" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "testing" | ||
|
|
||
| "github.com/getAlby/lndhub.go/common" | ||
| "github.com/getAlby/lndhub.go/controllers" | ||
| "github.com/getAlby/lndhub.go/db/models" | ||
| "github.com/getAlby/lndhub.go/lib" | ||
| "github.com/getAlby/lndhub.go/lib/responses" | ||
| "github.com/getAlby/lndhub.go/lib/service" | ||
| "github.com/getAlby/lndhub.go/lib/tokens" | ||
| "github.com/getAlby/lndhub.go/lnd" | ||
| "github.com/go-playground/validator/v10" | ||
| "github.com/labstack/echo/v4" | ||
| "github.com/lightningnetwork/lnd/lnrpc" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/suite" | ||
| ) | ||
|
|
||
| type WebHookTestSuite struct { | ||
| TestSuite | ||
| fundingClient *lnd.LNDWrapper | ||
| service *service.LndhubService | ||
| userLogin ExpectedCreateUserResponseBody | ||
| userToken string | ||
| webHookServer *httptest.Server | ||
| invoiceChan chan (models.Invoice) | ||
| invoiceUpdateSubCancelFn context.CancelFunc | ||
| } | ||
|
|
||
| func (suite *WebHookTestSuite) SetupSuite() { | ||
| lndClient, err := lnd.NewLNDclient(lnd.LNDoptions{ | ||
| Address: lnd2RegtestAddress, | ||
| MacaroonHex: lnd2RegtestMacaroonHex, | ||
| }) | ||
| if err != nil { | ||
| log.Fatalf("Error setting up funding client: %v", err) | ||
| } | ||
| suite.fundingClient = lndClient | ||
|
|
||
| suite.invoiceChan = make(chan models.Invoice) | ||
| webhookServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| invoice := models.Invoice{} | ||
| err = json.NewDecoder(r.Body).Decode(&invoice) | ||
| if err != nil { | ||
| suite.echo.Logger.Error(err) | ||
| close(suite.invoiceChan) | ||
| return | ||
| } | ||
| suite.invoiceChan <- invoice | ||
| })) | ||
| suite.webHookServer = webhookServer | ||
| svc, err := LndHubTestServiceInit(nil) | ||
| if err != nil { | ||
| log.Fatalf("Error initializing test service: %v", err) | ||
| } | ||
| svc.Config.WebhookUrl = suite.webHookServer.URL | ||
|
|
||
| users, userTokens, err := createUsers(svc, 1) | ||
| if err != nil { | ||
| log.Fatalf("Error creating test users: %v", err) | ||
| } | ||
| // Subscribe to LND invoice updates in the background | ||
| // store cancel func to be called in tear down suite | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| suite.invoiceUpdateSubCancelFn = cancel | ||
| go svc.InvoiceUpdateSubscription(ctx) | ||
|
|
||
| go svc.StartWebhookSubscribtion(ctx, svc.Config.WebhookUrl) | ||
|
|
||
| suite.service = svc | ||
| e := echo.New() | ||
|
|
||
| e.HTTPErrorHandler = responses.HTTPErrorHandler | ||
| e.Validator = &lib.CustomValidator{Validator: validator.New()} | ||
| suite.echo = e | ||
| suite.userLogin = users[0] | ||
| suite.userToken = userTokens[0] | ||
| suite.echo.Use(tokens.Middleware([]byte(suite.service.Config.JWTSecret))) | ||
| suite.echo.POST("/addinvoice", controllers.NewAddInvoiceController(suite.service).AddInvoice) | ||
| } | ||
| func (suite *WebHookTestSuite) TestWebHook() { | ||
| // create incoming invoice and fund account | ||
| invoice := suite.createAddInvoiceReq(1000, "integration test webhook", suite.userToken) | ||
| sendPaymentRequest := lnrpc.SendRequest{ | ||
| PaymentRequest: invoice.PayReq, | ||
| FeeLimit: nil, | ||
| } | ||
| _, err := suite.fundingClient.SendPaymentSync(context.Background(), &sendPaymentRequest) | ||
| assert.NoError(suite.T(), err) | ||
| invoiceFromWebhook := <-suite.invoiceChan | ||
| assert.Equal(suite.T(), "integration test webhook", invoiceFromWebhook.Memo) | ||
| assert.Equal(suite.T(), common.InvoiceTypeIncoming, invoiceFromWebhook.Type) | ||
| } | ||
| func (suite *WebHookTestSuite) TearDownSuite() { | ||
| suite.invoiceUpdateSubCancelFn() | ||
| suite.webHookServer.Close() | ||
| clearTable(suite.service, "invoices") | ||
| } | ||
|
|
||
| func TestWebHookSuite(t *testing.T) { | ||
| suite.Run(t, new(WebHookTestSuite)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package service | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "io/ioutil" | ||
| "net/http" | ||
|
|
||
| "github.com/getAlby/lndhub.go/common" | ||
| "github.com/getAlby/lndhub.go/db/models" | ||
| ) | ||
|
|
||
| func (svc *LndhubService) StartWebhookSubscribtion(ctx context.Context, url string) { | ||
|
|
||
| svc.Logger.Infof("Starting webhook subscription with webhook url %s", svc.Config.WebhookUrl) | ||
| incomingInvoices := make(chan models.Invoice) | ||
| outgoingInvoices := make(chan models.Invoice) | ||
| svc.InvoicePubSub.Subscribe(common.InvoiceTypeIncoming, incomingInvoices) | ||
| svc.InvoicePubSub.Subscribe(common.InvoiceTypeOutgoing, outgoingInvoices) | ||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return | ||
| case incoming := <-incomingInvoices: | ||
| svc.postToWebhook(incoming, url) | ||
| case outgoing := <-outgoingInvoices: | ||
| svc.postToWebhook(outgoing, url) | ||
| } | ||
| } | ||
| } | ||
| func (svc *LndhubService) postToWebhook(invoice models.Invoice, url string) { | ||
|
|
||
| payload := new(bytes.Buffer) | ||
| err := json.NewEncoder(payload).Encode(invoice) | ||
| if err != nil { | ||
| svc.Logger.Error(err) | ||
| return | ||
| } | ||
|
|
||
| resp, err := http.Post(svc.Config.WebhookUrl, "application/json", payload) | ||
| if err != nil { | ||
| svc.Logger.Error(err) | ||
| return | ||
| } | ||
| if resp.StatusCode != http.StatusOK { | ||
| msg, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| svc.Logger.Error(err) | ||
| } | ||
| svc.Logger.Errorf("Webhook status code was %d, body: %s", resp.StatusCode, msg) | ||
| } | ||
| } |
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