You cannot send GDD to yourself

frontend/src/locales/de.json

@@ -46,7 +46,8 @@
     "thx":"Danke,",
     "send_success":"deine Transaktion wurde erfolgreich ausgeführt",
     "validation": {
-      "double": "Das Feld {field} muss eine Dezimalzahl mit zwei Nachkommastellen sein"
+      "double": "Das Feld {field} muss eine Dezimalzahl mit zwei Nachkommastellen sein",
+      "is-not": "Du kannst Dir selbst keine Gradidos überweisen"
     }
   },
   "error": {

frontend/src/locales/en.json

@@ -46,7 +46,8 @@
     "thx":"Thank you,",
     "send_success":"your transaction was successfully completed",
     "validation": {
-      "double": "The {field} field must be a decimal with two digits"
+      "double": "The {field} field must be a decimal with two digits",
+      "is-not": "You cannot send Gradidos to yourself"
     }
   },
   "error": {

frontend/src/main.js

@@ -3,7 +3,8 @@ import DashboardPlugin from './plugins/dashboard-plugin'
 import App from './App.vue'
 import i18n from './i18n.js'
 import { configure, extend } from 'vee-validate'
-import { required, email, min, between, double } from 'vee-validate/dist/rules'
+// eslint-disable-next-line camelcase
+import { required, email, min, between, double, is_not } from 'vee-validate/dist/rules'
 
 // store
 import { store } from './store/store'
@@ -55,6 +56,13 @@ extend('between', {
   message: (_, values) => i18n.t('validations.messages.between', values),
 })
 
+// eslint-disable-next-line camelcase
+extend('is_not', {
+  // eslint-disable-next-line camelcase
+  ...is_not,
+  message: (_, values) => i18n.t('form.validation.is-not', values),
+})
+
 /* eslint-disable no-new */
 new Vue({
   el: '#app',

frontend/src/views/Pages/AccountOverview/GddSend.vue

@@ -53,7 +53,15 @@
               </div>
               <br />
               <div>
-                <validation-provider name="Email" rules="required|email" v-slot="{ errors }">
+                <validation-provider
+                  name="Email"
+                  :rules="{
+                    required: true,
+                    email: true,
+                    is_not: $store.state.email,
+                  }"
+                  v-slot="{ errors }"
+                >
                   <b-row>
                     <b-col class="text-left p-3 p-sm-1">{{ $t('form.receiver') }}</b-col>
                     <b-col v-if="errors" class="text-right p-3 p-sm-1">