diff --git a/packages/exchange-backoffice-ui/src/handlers/InputArray.tsx b/packages/exchange-backoffice-ui/src/handlers/InputArray.tsx
index c09806e58..00379bed6 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputArray.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputArray.tsx
@@ -71,17 +71,15 @@ function Option({
   );
 }
 
-export function InputArray(
+export function InputArray<T extends object, K extends keyof T>(
   props: {
     fields: UIFormField[];
     labelField: string;
-  } & UIFormProps<Array<{}>>,
+  } & UIFormProps<T, K>,
 ): VNode {
   const { fields, labelField, name, label, required, tooltip } = props;
-  const { value, onChange, state } = useField<{ [s: string]: Array<any> }>(
-    name,
-  );
-  const list = value ?? [];
+  const { value, onChange, state } = useField<T, K>(name);
+  const list = (value ?? []) as Array<Record<string, string | undefined>>;
   const [selectedIndex, setSelected] = useState<number | undefined>(undefined);
   const selected =
     selectedIndex === undefined ? undefined : list[selectedIndex];
@@ -98,7 +96,7 @@ export function InputArray(
         {list.map((v, idx) => {
           return (
             <Option
-              label={v[labelField]}
+              label={v[labelField] as TranslatedString}
               isSelected={selectedIndex === idx}
               isLast={idx === list.length - 1}
               disabled={selectedIndex !== undefined && selectedIndex !== idx}
@@ -141,10 +139,16 @@ export function InputArray(
             //@ts-ignore
             return state.elements[selectedIndex];
           }}
+          onSubmit={(v) => {
+            const newValue = [...list];
+            newValue.splice(selectedIndex, 1, v);
+            onChange(newValue as T[K]);
+            setSelected(undefined);
+          }}
           onUpdate={(v) => {
             const newValue = [...list];
             newValue.splice(selectedIndex, 1, v);
-            onChange(newValue);
+            onChange(newValue as T[K]);
           }}
         >
           <div class="px-4 py-6">
@@ -163,7 +167,7 @@ export function InputArray(
                 onClick={() => {
                   const newValue = [...list];
                   newValue.splice(selectedIndex, 1);
-                  onChange(newValue);
+                  onChange(newValue as T[K]);
                   setSelected(undefined);
                 }}
                 class="block rounded-md bg-red-600 px-3 py-2 text-center text-sm  text-white shadow-sm hover:bg-red-500 "
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputChoiceStacked.tsx b/packages/exchange-backoffice-ui/src/handlers/InputChoiceStacked.tsx
index 361eb39a3..3bce0123f 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputChoiceStacked.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputChoiceStacked.tsx
@@ -9,10 +9,10 @@ export interface Choice {
   value: string;
 }
 
-export function InputChoiceStacked(
+export function InputChoiceStacked<T extends object, K extends keyof T>(
   props: {
     choices: Choice[];
-  } & UIFormProps<string>,
+  } & UIFormProps<T, K>,
 ): VNode {
   const {
     choices,
@@ -26,9 +26,7 @@ export function InputChoiceStacked(
     after,
     converter,
   } = props;
-  const { value, onChange, state, isDirty } = useField<{
-    [s: string]: undefined | string;
-  }>(name);
+  const { value, onChange, state, isDirty } = useField<T, K>(name);
   if (state.hidden) {
     return <Fragment />;
   }
@@ -58,7 +56,11 @@ export function InputChoiceStacked(
                   name="server-size"
                   defaultValue={choice.value}
                   onClick={(e) => {
-                    onChange(value === choice.value ? undefined : choice.value);
+                    onChange(
+                      (value === choice.value
+                        ? undefined
+                        : choice.value) as T[K],
+                    );
                   }}
                   class="sr-only"
                   aria-labelledby="server-size-0-label"
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputDate.tsx b/packages/exchange-backoffice-ui/src/handlers/InputDate.tsx
index 00dd59996..e834b6cdb 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputDate.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputDate.tsx
@@ -4,24 +4,26 @@ import { CalendarIcon } from "@heroicons/react/24/outline";
 import { VNode, h } from "preact";
 import { format, parse } from "date-fns";
 
-export function InputDate(
-  props: { pattern?: string } & UIFormProps<AbsoluteTime>,
+export function InputDate<T extends object, K extends keyof T>(
+  props: { pattern?: string } & UIFormProps<T, K>,
 ): VNode {
   const pattern = props.pattern ?? "dd/MM/yyyy";
   return (
-    <InputLine<AbsoluteTime>
+    <InputLine<T, K>
       type="text"
       after={{
         type: "icon",
         icon: <CalendarIcon class="h-6 w-6" />,
       }}
       converter={{
-        fromStringUI: (v) => {
+        //@ts-ignore
+        fromStringUI: (v): AbsoluteTime => {
           if (!v) return { t_ms: "never" };
           const t_ms = parse(v, pattern, Date.now()).getTime();
           return { t_ms };
         },
-        toStringUI: (v) => {
+        //@ts-ignore
+        toStringUI: (v: AbsoluteTime) => {
           return !v || !v.t_ms
             ? ""
             : v.t_ms === "never"
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputFile.tsx b/packages/exchange-backoffice-ui/src/handlers/InputFile.tsx
index 37216c982..0d89a98a3 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputFile.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputFile.tsx
@@ -1,13 +1,9 @@
 import { Fragment, VNode, h } from "preact";
-import {
-  InputLine,
-  LabelWithTooltipMaybeRequired,
-  UIFormProps,
-} from "./InputLine.js";
+import { LabelWithTooltipMaybeRequired, UIFormProps } from "./InputLine.js";
 import { useField } from "./useField.js";
 
-export function InputFile(
-  props: { maxBites: number; accept?: string } & UIFormProps<string>,
+export function InputFile<T extends object, K extends keyof T>(
+  props: { maxBites: number; accept?: string } & UIFormProps<T, K>,
 ): VNode {
   const {
     name,
@@ -19,7 +15,7 @@ export function InputFile(
     maxBites,
     accept,
   } = props;
-  const { value, onChange, state } = useField<{ [s: string]: string }>(name);
+  const { value, onChange, state } = useField<T, K>(name);
 
   if (state.hidden) {
     return <div />;
@@ -31,7 +27,7 @@ export function InputFile(
         tooltip={tooltip}
         required={required}
       />
-      {!value || !value.startsWith("data:image/") ? (
+      {!value || !(value as string).startsWith("data:image/") ? (
         <div class="mt-2 flex justify-center rounded-lg border border-dashed border-gray-900/25 py-1">
           <div class="text-center">
             <svg
@@ -84,7 +80,10 @@ export function InputFile(
         </div>
       ) : (
         <div class="mt-2 flex justify-center rounded-lg border border-dashed border-gray-900/25 relative">
-          <img src={value} class=" h-24 w-full object-cover relative" />
+          <img
+            src={value as string}
+            class=" h-24 w-full object-cover relative"
+          />
 
           <div
             class="opacity-0 hover:opacity-70 duration-300 absolute rounded-lg border inset-0 z-10 flex justify-center text-xl items-center bg-black text-white cursor-pointer "
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputInteger.tsx b/packages/exchange-backoffice-ui/src/handlers/InputInteger.tsx
index 49e6973fc..fb04e3852 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputInteger.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputInteger.tsx
@@ -1,15 +1,19 @@
 import { VNode, h } from "preact";
 import { InputLine, UIFormProps } from "./InputLine.js";
 
-export function InputInteger(props: UIFormProps<number>): VNode {
+export function InputInteger<T extends object, K extends keyof T>(
+  props: UIFormProps<T, K>,
+): VNode {
   return (
     <InputLine
       type="number"
       converter={{
-        fromStringUI: (v) => {
+        //@ts-ignore
+        fromStringUI: (v): number => {
           return !v ? 0 : Number.parseInt(v, 10);
         },
-        toStringUI: (v?: number) => {
+        //@ts-ignore
+        toStringUI: (v?: number): string => {
           return v === undefined ? "" : String(v);
         },
       }}
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputLine.tsx b/packages/exchange-backoffice-ui/src/handlers/InputLine.tsx
index 32b16313d..8e847a273 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputLine.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputLine.tsx
@@ -22,8 +22,8 @@ interface StringConverter<T> {
   fromStringUI: (v?: string) => T;
 }
 
-export interface UIFormProps<T> {
-  name: keyof T;
+export interface UIFormProps<T extends object, K extends keyof T> {
+  name: K;
   label: TranslatedString;
   placeholder?: TranslatedString;
   tooltip?: TranslatedString;
@@ -31,7 +31,7 @@ export interface UIFormProps<T> {
   before?: Addon;
   after?: Addon;
   required?: boolean;
-  converter?: StringConverter<T>;
+  converter?: StringConverter<T[K]>;
 }
 
 export type FormErrors<T> = {
@@ -102,7 +102,7 @@ export function LabelWithTooltipMaybeRequired({
   return WithTooltip;
 }
 
-function InputWrapper<T>({
+function InputWrapper<T extends object, K extends keyof T>({
   children,
   label,
   tooltip,
@@ -111,7 +111,7 @@ function InputWrapper<T>({
   help,
   error,
   required,
-}: { error?: string; children: ComponentChildren } & UIFormProps<T>): VNode {
+}: { error?: string; children: ComponentChildren } & UIFormProps<T, K>): VNode {
   return (
     <div class="sm:col-span-6">
       <LabelWithTooltipMaybeRequired
@@ -181,13 +181,13 @@ function defaultFromString(v: string) {
   return v;
 }
 
-type InputType = "text" | "text-area" | "password" | "email";
+type InputType = "text" | "text-area" | "password" | "email" | "number";
 
-export function InputLine<T>(
-  props: { type: InputType } & UIFormProps<T>,
+export function InputLine<T extends object, K extends keyof T>(
+  props: { type: InputType } & UIFormProps<T, K>,
 ): VNode {
   const { name, placeholder, before, after, converter, type } = props;
-  const { value, onChange, state, isDirty } = useField(name);
+  const { value, onChange, state, isDirty } = useField<T, K>(name);
 
   if (state.hidden) return <div />;
 
@@ -239,7 +239,10 @@ export function InputLine<T>(
 
   if (type === "text-area") {
     return (
-      <InputWrapper<T> {...props} error={showError ? state.error : undefined}>
+      <InputWrapper<T, K>
+        {...props}
+        error={showError ? state.error : undefined}
+      >
         <textarea
           rows={4}
           name={String(name)}
@@ -258,7 +261,7 @@ export function InputLine<T>(
   }
 
   return (
-    <InputWrapper<T> {...props} error={showError ? state.error : undefined}>
+    <InputWrapper<T, K> {...props} error={showError ? state.error : undefined}>
       <input
         name={String(name)}
         type={type}
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx b/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
index dd85453e5..8369e509d 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputSelectMultiple.tsx
@@ -4,16 +4,16 @@ import { LabelWithTooltipMaybeRequired, UIFormProps } from "./InputLine.js";
 import { useField } from "./useField.js";
 import { useState } from "preact/hooks";
 
-export function InputSelectMultiple(
+export function InputSelectMultiple<T extends object, K extends keyof T>(
   props: {
     choices: Choice[];
     unique?: boolean;
     max?: number;
-  } & UIFormProps<Array<string>>,
+  } & UIFormProps<T, K>,
 ): VNode {
   const { name, label, choices, placeholder, tooltip, required, unique, max } =
     props;
-  const { value, onChange } = useField<{ [s: string]: Array<string> }>(name);
+  const { value, onChange } = useField<T, K>(name);
 
   const [filter, setFilter] = useState<string | undefined>(undefined);
   const regex = new RegExp(`.*${filter}.*`, "i");
@@ -21,7 +21,7 @@ export function InputSelectMultiple(
     return { ...prev, [curr.value]: curr.label };
   }, {} as Record<string, string>);
 
-  const list = value ?? [];
+  const list = (value ?? []) as string[];
   const filteredChoices =
     filter === undefined
       ? undefined
@@ -44,7 +44,7 @@ export function InputSelectMultiple(
               onClick={() => {
                 const newValue = [...list];
                 newValue.splice(idx, 1);
-                onChange(newValue);
+                onChange(newValue as T[K]);
                 setFilter(undefined);
               }}
               class="group relative h-5 w-5 rounded-sm hover:bg-gray-500/20"
@@ -119,7 +119,7 @@ export function InputSelectMultiple(
                     }
                     const newValue = [...list];
                     newValue.splice(0, 0, v.value);
-                    onChange(newValue);
+                    onChange(newValue as T[K]);
                   }}
 
                   // tabindex="-1"
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx b/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
index a4ed1ba1c..9af446e6c 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputSelectOne.tsx
@@ -4,15 +4,13 @@ import { LabelWithTooltipMaybeRequired, UIFormProps } from "./InputLine.js";
 import { useField } from "./useField.js";
 import { useState } from "preact/hooks";
 
-export function InputSelectOne(
+export function InputSelectOne<T extends object, K extends keyof T>(
   props: {
     choices: Choice[];
-  } & UIFormProps<Array<string>>,
+  } & UIFormProps<T, K>,
 ): VNode {
   const { name, label, choices, placeholder, tooltip, required } = props;
-  const { value, onChange } = useField<{ [s: string]: string | undefined }>(
-    name,
-  );
+  const { value, onChange } = useField<T, K>(name);
 
   const [filter, setFilter] = useState<string | undefined>(undefined);
   const regex = new RegExp(`.*${filter}.*`, "i");
@@ -35,11 +33,11 @@ export function InputSelectOne(
       />
       {value ? (
         <span class="inline-flex items-center gap-x-0.5 rounded-md bg-gray-100 p-1 mr-2 font-medium text-gray-600">
-          {choiceMap[value]}
+          {choiceMap[value as string]}
           <button
             type="button"
             onClick={() => {
-              onChange(undefined);
+              onChange(undefined!);
             }}
             class="group relative h-5 w-5 rounded-sm hover:bg-gray-500/20"
           >
@@ -103,7 +101,7 @@ export function InputSelectOne(
                     role="option"
                     onClick={() => {
                       setFilter(undefined);
-                      onChange(v.value);
+                      onChange(v.value as T[K]);
                     }}
 
                     // tabindex="-1"
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputText.tsx b/packages/exchange-backoffice-ui/src/handlers/InputText.tsx
index 014730d92..1b37ee6fb 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputText.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputText.tsx
@@ -1,6 +1,8 @@
 import { VNode, h } from "preact";
 import { InputLine, UIFormProps } from "./InputLine.js";
 
-export function InputText<T>(props: UIFormProps<T>): VNode {
+export function InputText<T extends object, K extends keyof T>(
+  props: UIFormProps<T, K>,
+): VNode {
   return <InputLine type="text" {...props} />;
 }
diff --git a/packages/exchange-backoffice-ui/src/handlers/InputTextArea.tsx b/packages/exchange-backoffice-ui/src/handlers/InputTextArea.tsx
index b819a5549..45229951e 100644
--- a/packages/exchange-backoffice-ui/src/handlers/InputTextArea.tsx
+++ b/packages/exchange-backoffice-ui/src/handlers/InputTextArea.tsx
@@ -1,6 +1,8 @@
 import { VNode, h } from "preact";
 import { InputLine, UIFormProps } from "./InputLine.js";
 
-export function InputTextArea(props: UIFormProps<string>): VNode {
+export function InputTextArea<T extends object, K extends keyof T>(
+  props: UIFormProps<T, K>,
+): VNode {
   return <InputLine type="text-area" {...props} />;
 }
diff --git a/packages/exchange-backoffice-ui/src/handlers/forms.ts b/packages/exchange-backoffice-ui/src/handlers/forms.ts
index a97b8561d..115127cc3 100644
--- a/packages/exchange-backoffice-ui/src/handlers/forms.ts
+++ b/packages/exchange-backoffice-ui/src/handlers/forms.ts
@@ -25,18 +25,18 @@ type DoubleColumnFormSection = {
 /**
  * Constrain the type with the ui props
  */
-type FieldType = {
+type FieldType<T extends object = any, K extends keyof T = any> = {
   group: Parameters<typeof Group>[0];
   caption: Parameters<typeof Caption>[0];
-  array: Parameters<typeof InputArray>[0];
-  file: Parameters<typeof InputFile>[0];
-  selectOne: Parameters<typeof InputSelectOne>[0];
-  selectMultiple: Parameters<typeof InputSelectMultiple>[0];
-  text: Parameters<typeof InputText>[0];
-  textArea: Parameters<typeof InputTextArea>[0];
-  choiceStacked: Parameters<typeof InputChoiceStacked>[0];
-  date: Parameters<typeof InputDate>[0];
-  integer: Parameters<typeof InputInteger>[0];
+  array: Parameters<typeof InputArray<T, K>>[0];
+  file: Parameters<typeof InputFile<T, K>>[0];
+  selectOne: Parameters<typeof InputSelectOne<T, K>>[0];
+  selectMultiple: Parameters<typeof InputSelectMultiple<T, K>>[0];
+  text: Parameters<typeof InputText<T, K>>[0];
+  textArea: Parameters<typeof InputTextArea<T, K>>[0];
+  choiceStacked: Parameters<typeof InputChoiceStacked<T, K>>[0];
+  date: Parameters<typeof InputDate<T, K>>[0];
+  integer: Parameters<typeof InputInteger<T, K>>[0];
 };
 
 /**
@@ -69,14 +69,20 @@ type UIFormFieldMap = {
 const UIFormConfiguration: UIFormFieldMap = {
   group: Group,
   caption: Caption,
+  //@ts-ignore
   array: InputArray,
   text: InputText,
+  //@ts-ignore
   file: InputFile,
   textArea: InputTextArea,
+  //@ts-ignore
   date: InputDate,
+  //@ts-ignore
   choiceStacked: InputChoiceStacked,
   integer: InputInteger,
+  //@ts-ignore
   selectOne: InputSelectOne,
+  //@ts-ignore
   selectMultiple: InputSelectMultiple,
 };
 
@@ -97,11 +103,11 @@ export function RenderAllFieldsByUiConfig({
   );
 }
 
-type FormSet<T> = {
+type FormSet<T extends object, K extends keyof T = any> = {
   Provider: typeof FormProvider<T>;
-  InputLine: typeof InputLine<T>;
+  InputLine: typeof InputLine<T, K>;
 };
-export function createNewForm<T>(): FormSet<T> {
+export function createNewForm<T extends object>(): FormSet<T> {
   return {
     Provider: FormProvider,
     InputLine: InputLine,
diff --git a/packages/exchange-backoffice-ui/src/handlers/useField.ts b/packages/exchange-backoffice-ui/src/handlers/useField.ts
index 3be397314..94635646f 100644
--- a/packages/exchange-backoffice-ui/src/handlers/useField.ts
+++ b/packages/exchange-backoffice-ui/src/handlers/useField.ts
@@ -12,7 +12,9 @@ export interface InputFieldHandler<Type> {
   isDirty: boolean;
 }
 
-export function useField<T>(name: keyof T): InputFieldHandler<T[keyof T]> {
+export function useField<T extends object, K extends keyof T>(
+  name: K,
+): InputFieldHandler<T[K]> {
   const {
     initialValue,
     value: formValue,
@@ -78,3 +80,28 @@ function setValueDeeper(object: any, names: string[], value: any): any {
   }
   return { ...object, [head]: setValueDeeper(object[head] ?? {}, rest, value) };
 }
+
+type TTT<T extends object, K extends keyof T, R> = K extends keyof T
+  ? R extends T[K]
+    ? number
+    : never
+  : never;
+
+function impl<T extends object, K extends keyof T, R extends T[K]>(
+  obj: T,
+  name: K,
+): T[K] {
+  return obj[name];
+}
+
+interface Pepe {
+  name: string;
+  when: Date;
+  size: number;
+}
+const p: Pepe = {
+  name: "n",
+  when: new Date(),
+  size: 1,
+};
+const a = impl(p, "size");
diff --git a/packages/taler-wallet-webextension/src/wallet/History.stories.tsx b/packages/taler-wallet-webextension/src/wallet/History.stories.tsx
index 1c5ba61c3..93d61ba2b 100644
--- a/packages/taler-wallet-webextension/src/wallet/History.stories.tsx
+++ b/packages/taler-wallet-webextension/src/wallet/History.stories.tsx
@@ -122,15 +122,11 @@ const exampleData = {
     type: TransactionType.Refund,
     refundedTransactionId:
       "payment:1EMJJH8EP1NX3XF7733NCYS2DBEJW4Q2KA5KEB37MCQJQ8Q5HMC0",
-    info: {
-      contractTermsHash: "ASDZXCASD",
+    paymentInfo: {
       merchant: {
         name: "the merchant",
       },
-      orderId: "2021.167-03NPY6MCYMVGT",
-      products: [],
       summary: "the summary",
-      fulfillmentMessage: "",
     },
     refundPending: undefined,
   } as TransactionRefund,
diff --git a/packages/taler-wallet-webextension/src/wallet/Transaction.stories.tsx b/packages/taler-wallet-webextension/src/wallet/Transaction.stories.tsx
index 78b741b51..7f2069fc9 100644
--- a/packages/taler-wallet-webextension/src/wallet/Transaction.stories.tsx
+++ b/packages/taler-wallet-webextension/src/wallet/Transaction.stories.tsx
@@ -148,15 +148,12 @@ const exampleData = {
     type: TransactionType.Refund,
     refundedTransactionId:
       "payment:1EMJJH8EP1NX3XF7733NCYS2DBEJW4Q2KA5KEB37MCQJQ8Q5HMC0",
-    info: {
-      contractTermsHash: "ASDZXCASD",
+    paymentInfo: {
       merchant: {
-        name: "the merchant",
+        name: "The merchant",
       },
-      orderId: "2021.167-03NPY6MCYMVGT",
-      products: [],
       summary: "Essay: Why the Devil's Advocate Doesn't Help Reach the Truth",
-      fulfillmentMessage: "",
+      summary_i18n: {},
     },
     refundPending: undefined,
   } as TransactionRefund,
diff --git a/packages/taler-wallet-webextension/src/wallet/Transaction.tsx b/packages/taler-wallet-webextension/src/wallet/Transaction.tsx
index cd240ffea..938d62490 100644
--- a/packages/taler-wallet-webextension/src/wallet/Transaction.tsx
+++ b/packages/taler-wallet-webextension/src/wallet/Transaction.tsx
@@ -823,30 +823,35 @@ export function TransactionView({
           total={effective}
           kind="positive"
         >
-          {"transaction.info.summary"}
-        </Header>
-
-        <Part
-          title={i18n.str`Merchant`}
-          text={"transaction.info.merchant.name" as TranslatedString}
-          kind="neutral"
-        />
-        <Part
-          title={i18n.str`Original order ID`}
-          text={
+          {transaction.paymentInfo ? (
             <a
               href={Pages.balanceTransaction({
                 tid: transaction.refundedTransactionId,
               })}
             >
-              {"transaction.info.orderId"}
+              {transaction.paymentInfo.summary}
             </a>
+          ) : (
+            <span style={{ color: "gray" }}>-- deleted --</span>
+          )}
+        </Header>
+
+        <Part
+          title={i18n.str`Merchant`}
+          text={
+            (transaction.paymentInfo
+              ? transaction.paymentInfo.merchant.name
+              : "-- deleted --") as TranslatedString
           }
           kind="neutral"
         />
         <Part
           title={i18n.str`Purchase summary`}
-          text={"transaction.info.summary" as TranslatedString}
+          text={
+            (transaction.paymentInfo
+              ? transaction.paymentInfo.summary
+              : "-- deleted --") as TranslatedString
+          }
           kind="neutral"
         />
         <Part
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index fb891e79a..c4b20e1bf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -173,8 +173,6 @@ importers:
       postcss: ^8.4.23
       postcss-cli: ^10.1.0
       preact: 10.11.3
-      preact-router: 3.2.1
-      qrcode-generator: ^1.4.4
       swr: 2.0.3
       tailwindcss: ^3.3.2
       typescript: 4.9.4
@@ -187,8 +185,6 @@ importers:
       history: 4.10.1
       jed: 1.1.1
       preact: 10.11.3
-      preact-router: 3.2.1_preact@10.11.3
-      qrcode-generator: 1.4.4
       swr: 2.0.3
     devDependencies:
       '@gnu-taler/pogen': link:../pogen