diff --git a/src/appService.ts b/src/appService.ts
index 07ac57a..1cfd25c 100644
--- a/src/appService.ts
+++ b/src/appService.ts
@@ -17,7 +17,7 @@ import { Notify } from 'quasar'
 import { settings, SettingKeys } from './lib/settings'
 import { toRaw } from 'vue'
 import { TransactionParser } from './lib/transactionParser'
-import { TransactionAugmenter } from './lib/transactionAugmenter'
+import { TransactionAugmenter } from './lib/xactAugmenter'
 import { Collection } from 'dexie'
 import { AccountService } from './lib/accountsService'
 
diff --git a/src/components/FavouritesCard.vue b/src/components/FavouritesCard.vue
index 564210d..f8f8d86 100644
--- a/src/components/FavouritesCard.vue
+++ b/src/components/FavouritesCard.vue
@@ -28,7 +28,7 @@
 import { onMounted, Ref, ref } from 'vue'
 import { useQuasar } from 'quasar'
 import appService from '../appService'
-import { TransactionAugmenter } from 'src/lib/transactionAugmenter'
+import { TransactionAugmenter } from 'src/lib/xactAugmenter'
 import { Account } from 'src/model'
 import { Star } from 'lucide-vue-next'
 import { AccountService } from '../lib/accountsService'
diff --git a/src/components/JournalCard.vue b/src/components/JournalCard.vue
index 4a57750..de9fa11 100644
--- a/src/components/JournalCard.vue
+++ b/src/components/JournalCard.vue
@@ -40,7 +40,7 @@ import { useRouter } from 'vue-router'
 import appService from '../appService'
 import useNotifications from 'src/lib/Notifier'
 import { Money, Transaction } from 'src/model'
-import { TransactionAugmenter } from 'src/lib/transactionAugmenter'
+import { TransactionAugmenter } from 'src/lib/xactAugmenter'
 import { FileUp, Scroll } from 'lucide-vue-next'
 
 const Notifier = useNotifications()
@@ -117,7 +117,7 @@ async function loadData() {
   }
 
   try {
-    const amounts = TransactionAugmenter.calculateTxAmounts(txs)
+    const amounts = TransactionAugmenter.calculateXactAmounts(txs)
     xactBalances.value.push(...amounts)
   } catch (error: any) {
     console.error(error)
diff --git a/src/components/ScheduledTxCard.vue b/src/components/ScheduledTxCard.vue
index 8936b29..87ed815 100644
--- a/src/components/ScheduledTxCard.vue
+++ b/src/components/ScheduledTxCard.vue
@@ -41,7 +41,7 @@ import moment, { Moment } from 'moment'
 import { useRouter } from 'vue-router'
 import useNotifications from 'src/lib/Notifier'
 import appService from '../appService'
-import { TransactionAugmenter } from 'src/lib/transactionAugmenter'
+import { TransactionAugmenter } from 'src/lib/xactAugmenter'
 import { ScheduledTransaction, Transaction } from 'src/model'
 import { TransactionParser } from 'src/lib/transactionParser'
 import { CalendarClock, CalendarDays } from 'lucide-vue-next'
@@ -70,12 +70,12 @@ async function loadData() {
 
     // add the transaction amounts.
     let txs: Transaction[] = schtxs.map((schtx) => schtx.transaction) as Transaction[]
-    TransactionAugmenter.calculateTxAmounts(txs)
+    TransactionAugmenter.calculateXactAmounts(txs)
 
     list.value = schtxs
   } catch (error: any) {
     console.error(error)
-    Notification.negative(error.message)
+    Notification.error(error.message)
   }
 }
 
diff --git a/src/lib/transactionParser.ts b/src/lib/transactionParser.ts
index 9a18ba6..a3a2339 100644
--- a/src/lib/transactionParser.ts
+++ b/src/lib/transactionParser.ts
@@ -3,7 +3,7 @@
  * Used for calculation of the empty postings
  */
 import { Posting, Transaction } from 'src/model'
-import { TransactionAugmenter } from './transactionAugmenter'
+import { TransactionAugmenter } from './xactAugmenter'
 
 export class TransactionParser {
   /**
diff --git a/src/lib/transactionAugmenter.ts b/src/lib/xactAugmenter.ts
similarity index 97%
rename from src/lib/transactionAugmenter.ts
rename to src/lib/xactAugmenter.ts
index c8c4088..3fa5f07 100644
--- a/src/lib/transactionAugmenter.ts
+++ b/src/lib/xactAugmenter.ts
@@ -1,4 +1,4 @@
-import { Account, AccountBalance, Transaction } from 'src/model'
+import { Account, Money, Transaction } from 'src/model'
 import appService from '../appService'
 import { TransactionParser } from './transactionParser'
 import { AccountService } from './accountsService'
@@ -9,7 +9,7 @@ import { SettingKeys, settings } from './settings'
  * like the amount on a missing posting.
  */
 export class TransactionAugmenter {
-  constructor() {}
+  constructor() { }
 
   /**
    * Calculates and adds the amounts for the empty postings. This "completes" the Postings
@@ -153,7 +153,7 @@ export class TransactionAugmenter {
    * @param {Array<Transaction>} txs
    * @returns {Array<AccountBalance>} An array of balance records that matches the transactions.
    */
-  static calculateTxAmounts(txs: Transaction[]): AccountBalance[] {
+  static calculateXactAmounts(txs: Transaction[]): Money[] {
     // get Amounts
     TransactionAugmenter.calculateEmptyPostingAmounts(txs)
 
diff --git a/src/pages/Favourites.vue b/src/pages/Favourites.vue
index a0e306e..bc9c291 100644
--- a/src/pages/Favourites.vue
+++ b/src/pages/Favourites.vue
@@ -42,7 +42,8 @@
     </q-header>
 
     <!-- account list -->
-    <q-slide-item v-for="(account, index) in accounts" :key="account.name" right-color="secondary" @right="onRightSlide">
+    <q-slide-item v-for="(account, index) in accounts" :key="account.name" right-color="secondary"
+      @right="onRightSlide">
       <template #right>
         <div class="row items-center text-accent" @click="removeAccount(index)">
           Click to confirm or wait 2s to cancel
@@ -85,7 +86,7 @@
 <script setup lang="ts">
 import { useStore } from 'vuex'
 import { useMainStore } from '../store/mainStore'
-import { TransactionAugmenter } from 'src/lib/transactionAugmenter'
+import { TransactionAugmenter } from 'src/lib/xactAugmenter'
 import appService from '../appService'
 import { SET_SELECT_MODE } from '../mutations'
 import {
diff --git a/src/pages/Register.vue b/src/pages/Register.vue
index 20d8583..bcad409 100644
--- a/src/pages/Register.vue
+++ b/src/pages/Register.vue
@@ -41,7 +41,7 @@ import { SET_SELECT_MODE } from '../mutations'
 import { SelectionModeMetadata, SettingKeys, settings } from '../lib/settings'
 import { Account, Posting } from 'src/model'
 import { TransactionParser } from 'src/lib/transactionParser'
-import { TransactionAugmenter } from 'src/lib/transactionAugmenter'
+import { TransactionAugmenter } from 'src/lib/xactAugmenter'
 import useNotifications from 'src/lib/Notifier'
 import { Plus as IconPlus } from 'lucide-vue-next'
 import { AccountService } from 'src/lib/accountsService'
diff --git a/tsconfig.test.json b/tsconfig.test.json
new file mode 100644
index 0000000..ee55628
--- /dev/null
+++ b/tsconfig.test.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "include": ["./tests"],
+  "compilerOptions": {
+    "composite": true,
+    "target": "esnext",
+    "module": "esnext",
+    "types": ["@types/node", "vitest/globals"]
+  }
+}