fix: sumsub UI and cache invalidation on l-s

lib/middlewares/populateSettings.js

@@ -100,7 +100,9 @@ const populateSettings = function (req, res, next) {
 
       return newSettingsLoader.loadLatest()
         .then(settings => {
+          const versionId = settings.version
           settingsCache.set(`${operatorId}-latest`, settings)
+          settingsCache.set(`${operatorId}-v${versionId}`, settings)
           if (!!needsSettingsReload[operatorId]) delete needsSettingsReload[operatorId]
           req.settings = settings
         })

lib/new-settings-loader.js

@@ -152,10 +152,11 @@ function resetConfig (schemaVersion) {
 }
 
 function loadLatest (schemaVersion) {
-  return Promise.all([loadLatestConfigOrNone(schemaVersion), loadAccounts(schemaVersion)])
-    .then(([config, accounts]) => ({
-      config,
-      accounts
+  return Promise.all([loadLatestConfigOrNoneReturningVersion(schemaVersion), loadAccounts(schemaVersion)])
+    .then(([configObj, accounts]) => ({
+      config: configObj.config,
+      accounts,
+      version: configObj.version
     }))
 }
 
@@ -175,6 +176,18 @@ function loadLatestConfig () {
     })
 }
 
+function loadLatestConfigOrNoneReturningVersion (schemaVersion) {
+  const sql = `select data, id
+  from user_config
+  where type=$1
+  and schema_version=$2
+  order by id desc
+  limit 1`
+
+  return db.oneOrNone(sql, ['config', schemaVersion || NEW_SETTINGS_LOADER_SCHEMA_VERSION])
+    .then(row => row ? { config: row.data.config, version: row.id } : {})
+}
+
 function loadLatestConfigOrNone (schemaVersion) {
   const sql = `select data
   from user_config