Improve transaction errors (#194)

* Improve transaction errors

* Fix standard styling errors

lib/routes.js

@@ -46,7 +46,7 @@ function poll (req, res, next) {
   const pi = plugins(settings, deviceId)
   const hasLightning = checkHasLightning(settings)
 
-  pids[deviceId] = {pid, ts: Date.now()}
+  pids[deviceId] = { pid, ts: Date.now() }
 
   return pi.pollQueries(serialNumber, deviceTime, req.query)
     .then(results => {
@@ -141,8 +141,8 @@ function postTx (req, res, next) {
         logger.warn('Harmless DB conflict, the query will be retried.')
         return res.status(204).json({})
       }
-      if (err instanceof E.StaleTxError) return res.status(409).json({})
-      if (err instanceof E.RatchetError) return res.status(409).json({})
+      if (err instanceof E.StaleTxError) return res.status(409).json({ errorType: 'stale' })
+      if (err instanceof E.RatchetError) return res.status(409).json({ errorType: 'ratchet' })
 
       throw err
     })
@@ -202,7 +202,7 @@ function getCustomerWithPhoneCode (req, res, next) {
   return pi.getPhoneCode(phone)
     .then(code => {
       return addOrUpdateCustomer(req)
-        .then(customer => respond(req, res, {code, customer}))
+        .then(customer => respond(req, res, { code, customer }))
     })
     .catch(err => {
       if (err.name === 'BadNumberError') throw httpError('Bad number', 401)
@@ -226,7 +226,7 @@ function updateCustomer (req, res, next) {
         .then(newPatch => customers.updatePhotoCard(id, newPatch))
         .then(newPatch => customers.update(id, newPatch))
     })
-    .then(customer => respond(req, res, {customer}))
+    .then(customer => respond(req, res, { customer }))
     .catch(next)
 }
 
@@ -238,7 +238,7 @@ function getLastSeen (req, res, next) {
 
 function updateLogs (req, res, next) {
   return logs.update(req.deviceId, req.body.logs)
-    .then(status => res.json({success: status}))
+    .then(status => res.json({ success: status }))
     .catch(next)
 }
 
@@ -246,8 +246,8 @@ function ca (req, res) {
   const token = req.query.token
 
   return pairing.authorizeCaDownload(token)
-    .then(ca => res.json({ca}))
-    .catch(() => res.status(403).json({error: 'forbidden'}))
+    .then(ca => res.json({ ca }))
+    .catch(() => res.status(403).json({ error: 'forbidden' }))
 }
 
 function pair (req, res, next) {
@@ -259,7 +259,7 @@ function pair (req, res, next) {
     .then(valid => {
       if (valid) {
         return helpers.updateMachineDefaults(deviceId)
-          .then(() => res.json({status: 'paired'}))
+          .then(() => res.json({ status: 'paired' }))
       }
 
       throw httpError('Pairing failed')
@@ -272,7 +272,7 @@ function errorHandler (err, req, res, next) {
     ? err.code || 500
     : 500
 
-  const json = {error: err.message}
+  const json = { error: err.message }
 
   if (statusCode >= 400) logger.error(err)
 
@@ -303,7 +303,7 @@ function filterOldRequests (req, res, next) {
       req.deviceName, (delta / 1000).toFixed(2))
   }
 
-  if (delta > REQUEST_TTL) return res.status(408).json({error: 'stale'})
+  if (delta > REQUEST_TTL) return res.status(408).json({ error: 'stale' })
   next()
 }
 
@@ -318,7 +318,7 @@ function authorize (req, res, next) {
         return next()
       }
 
-      return res.status(403).json({error: 'Forbidden'})
+      return res.status(403).json({ error: 'Forbidden' })
     })
     .catch(next)
 }
@@ -337,9 +337,9 @@ const configRequiredRoutes = [
 const app = express()
 const localApp = express()
 
-app.use(helmet({noCache: true}))
-app.use(bodyParser.json({limit: '2mb'}))
-app.use(morgan('dev', {skip, stream: logger.stream}))
+app.use(helmet({ noCache: true }))
+app.use(bodyParser.json({ limit: '2mb' }))
+app.use(morgan('dev', { skip, stream: logger.stream }))
 
 // These two have their own authorization
 app.post('/pair', populateDeviceId, pair)
@@ -368,7 +368,7 @@ app.post('/logs', updateLogs)
 
 app.use(errorHandler)
 app.use((req, res) => {
-  res.status(404).json({error: 'No such route'})
+  res.status(404).json({ error: 'No such route' })
 })
 
 localApp.get('/pid', (req, res) => {
@@ -440,7 +440,7 @@ function populateSettings (req, res, next) {
     .catch(next)
 }
 
-function createTerms(config) {
+function createTerms (config) {
   return {
     active: config.termsScreenActive,
     title: config.termsScreenTitle,
@@ -450,4 +450,4 @@ function createTerms(config) {
   }
 }
 
-module.exports = {app, localApp}
+module.exports = { app, localApp }