Added User-Agent to bootstrap (#5900)

Co-authored-by: Matthias <[email protected]>

Author: pigmej

cmd/bootstrapper/generator.go

@@ -171,6 +171,8 @@ func queryBitcoin(ctx context.Context, client *http.Client, targetUrl string) (*
 		return nil, fmt.Errorf("parse btc url: %w", err)
 	}
 	req, err := http.NewRequestWithContext(ctx, http.MethodGet, resource.String(), nil)
+	// some apis got over sensitive without UA set
+	req.Header.Set("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0")
 	if err != nil {
 		return nil, fmt.Errorf("create http request: %w", err)
 	}

cmd/bootstrapper/generator_test.go

@@ -165,3 +165,34 @@ func TestGenerator_Generate(t *testing.T) {
 		})
 	}
 }
+
+func TestGenerator_CheckAPI(t *testing.T) {
+	targetEpoch := types.EpochID(3)
+	db := sql.InMemory()
+	createAtxs(t, db, targetEpoch-1, types.RandomActiveSet(activeSetSize))
+	cfg, cleanup := launchServer(t, datastore.NewCachedDB(db, logtest.New(t)))
+	t.Cleanup(cleanup)
+
+	fs := afero.NewMemMapFs()
+	g := NewGenerator(
+		"https://api.blockcypher.com/v1/btc/main",
+		cfg.PublicListener,
+		WithLogger(logtest.New(t)),
+		WithFilesystem(fs),
+		WithHttpClient(http.DefaultClient),
+	)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	persisted, err := g.Generate(ctx, targetEpoch, true, false)
+	require.NoError(t, err)
+
+	got, err := afero.ReadFile(fs, persisted)
+	require.NoError(t, err)
+	require.NotEmpty(t, got)
+
+	require.NoError(t, bootstrap.ValidateSchema(got))
+
+	var update bootstrap.Update
+	require.NoError(t, json.Unmarshal(got, &update))
+	require.NotEqual(t, "00000000", update.Data.Epoch.Beacon)
+}