feat: only refetch t&c on config change

lib/plugins.js

@@ -793,7 +793,8 @@ function plugins (settings, deviceId) {
     buy,
     sell,
     notificationsEnabled,
-    notifyOperator
+    notifyOperator,
+    fetchCurrentConfigVersion
   }
 }
 

lib/routes.js

@@ -72,8 +72,6 @@ function poll (req, res, next) {
         }
       }
 
-      const terms = config.termsScreenActive && config.termsScreenText ? createTerms(config) : null
-
       const response = {
         error: null,
         locale,
@@ -94,7 +92,6 @@ function poll (req, res, next) {
         frontCameraVerificationActive: config.frontCameraVerificationActive,
         frontCameraVerificationThreshold: config.frontCameraVerificationThreshold,
         receiptPrintingActive: config.receiptPrintingActive,
-        terms,
         cassettes,
         twoWayMode: config.cashOutEnabled,
         zeroConfLimit: config.zeroConfLimit,
@@ -120,6 +117,21 @@ function poll (req, res, next) {
     .catch(next)
 }
 
+function getTermsConditions (req, res, next) {
+  const deviceId = req.deviceId
+  const settings = req.settings
+
+  const config = configManager.unscoped(req.settings.config)
+  const pi = plugins(settings, deviceId)
+
+  const terms = config.termsScreenActive && config.termsScreenText ? createTerms(config) : null
+
+  return pi.fetchCurrentConfigVersion().then(version => {
+    return res.json({ terms, version })
+  })
+    .catch(next)
+}
+
 function getTx (req, res, next) {
   if (req.query.status) {
     return helpers.fetchStatusTx(req.params.id, req.query.status)
@@ -356,6 +368,7 @@ const skip = (req, res) => _.includes(req.path, ['/poll', '/state', '/logs']) &&
 
 const configRequiredRoutes = [
   '/poll',
+  '/terms_conditions',
   '/event',
   '/phone_code',
   '/customer',
@@ -379,6 +392,7 @@ app.use(configRequiredRoutes, populateSettings)
 app.use(filterOldRequests)
 
 app.get('/poll', poll)
+app.get('/terms_conditions', getTermsConditions)
 app.post('/state', stateChange)
 
 app.post('/verify_user', verifyUser)