fix: rework wallet screen

lib/new-settings-loader.js

@@ -9,23 +9,46 @@ low(adapter).then(it => {
   db = it
 })
 
-function saveConfig (config) {
-  const currentState = db.getState()
-  // TODO this should be _.assign
-  // change after flattening of schema
-  const newState = _.mergeWith((objValue, srcValue) => {
-    if (_.isArray(objValue)) {
-      return srcValue
-    }
-  }, currentState, config)
+function replace (array, index, value) {
+  return array.slice(0, index).concat([value]).concat(array.slice(index + 1))
+}
 
+function replaceOrAdd (accounts, account) {
+  const index = _.findIndex(['code', account.code], accounts)
+  return index !== -1 ? replace(accounts, index, account) : _.concat(accounts)(account)
+}
+
+function saveAccounts (accountsToSave) {
+  const currentState = db.getState() || {}
+  const accounts = currentState.accounts || []
+
+  const newAccounts = _.reduce(replaceOrAdd)(accounts)(accountsToSave)
+
+  const newState = _.set('accounts', newAccounts, currentState)
   db.setState(newState)
   return db.write()
-    .then(() => newState)
+    .then(() => newState.accounts)
+}
+
+function getAccounts () {
+  const state = db.getState()
+  return state ? state.accounts : null
+}
+
+function saveConfig (config) {
+  const currentState = db.getState() || {}
+  const currentConfig = currentState.config || {}
+  const newConfig = _.assign(currentConfig, config)
+
+  const newState = _.set('config', newConfig, currentState)
+  db.setState(newState)
+  return db.write()
+    .then(() => newState.config)
 }
 
 function getConfig () {
-  return db.getState()
+  const state = db.getState()
+  return (state && state.config) || {}
 }
 
-module.exports = { getConfig, saveConfig }
+module.exports = { getConfig, saveConfig, saveAccounts, getAccounts }