next try

backend/src/graphql/model/DisbursementLink.ts

@@ -1,5 +1,5 @@
 import { Decimal } from 'decimal.js-light'
-import { ObjectType, Field } from 'type-graphql'
+import { ObjectType, Field, Int } from 'type-graphql'
 
 import { DisbursementJwtPayloadType } from '@/auth/jwt/payloadtypes/DisbursementJwtPayloadType'
 
@@ -27,7 +27,7 @@ export class DisbursementLink {
     this.memo = disbursementPayload.memo
     this.code = disbursementPayload.redeemcode
     if (disbursementPayload.exp) {
-      this.validUntil = new Date(disbursementPayload.exp)
+      this.validUntil = disbursementPayload.exp * 1000
     }
   }
 
@@ -52,6 +52,6 @@ export class DisbursementLink {
   @Field(() => String)
   code: string
 
-  @Field(() => Date)
-  validUntil: Date
+  @Field(() => Int)
+  validUntil: number
 }

backend/src/graphql/resolver/TransactionLinkResolver.ts

@@ -507,7 +507,7 @@ export class TransactionLinkResolver {
         jwtPayload,
       )
       let verifiedPayload: DisbursementJwtPayloadType | null = null
-      if (jwtPayload != null) {
+      if (jwtPayload !== null) {
         if (jwtPayload.exp && new Date(jwtPayload.exp * 1000) < new Date()) {
           throw new LogError(
             'Redeem JWT-Token expired! jwtPayload.exp=',

frontend/src/graphql/queries.js

@@ -155,6 +155,7 @@ export const queryTransactionLink = gql`
         amount
         memo
         code
+        validUntil
         senderCommunity {
           foreign
           name

frontend/src/pages/TransactionLink.vue

@@ -103,6 +103,8 @@ const tokenExpiresInSeconds = computed(() => {
 })
 
 const validLink = computed(() => {
+  console.log('TransactionLink.validLink... linkData.value.validUntil=', linkData.value.validUntil)
+  console.log('TransactionLink.validLink... new Date().getTime()=', new Date().getTime())
   return new Date(linkData.value.validUntil) > new Date()
 })