save challenge id when 2fa is required

1 files changed, 64 insertions, 0 deletions

diff --git a/packages/demobank-ui/src/hooks/bank-state.ts b/packages/demobank-ui/src/hooks/bank-state.ts
new file mode 100644
index 000000000..addbbfc0f
--- /dev/null
+++ b/packages/demobank-ui/src/hooks/bank-state.ts
@@ -0,0 +1,64 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+import {
+  Codec,
+  buildCodecForObject,
+  codecForString,
+  codecOptional
+} from "@gnu-taler/taler-util";
+import { buildStorageKey, useLocalStorage } from "@gnu-taler/web-util/browser";
+
+interface BankState {
+  currentWithdrawalOperationId: string | undefined;
+  currentChallengeId: string | undefined;
+}
+
+export const codecForBankState = (): Codec<BankState> =>
+  buildCodecForObject<BankState>()
+    .property("currentWithdrawalOperationId", codecOptional(codecForString()))
+    .property("currentChallengeId", codecOptional(codecForString()))
+    .build("BankState");
+
+const defaultBankState: BankState = {
+  currentWithdrawalOperationId: undefined,
+  currentChallengeId: undefined,
+};
+
+const BANK_STATE_KEY = buildStorageKey(
+  "bank-state",
+  codecForBankState(),
+);
+
+export function useBankState(): [
+  Readonly<BankState>,
+  <T extends keyof BankState>(key: T, value: BankState[T]) => void,
+  () => void,
+] {
+  const { value, update } = useLocalStorage(
+    BANK_STATE_KEY,
+    defaultBankState,
+  );
+
+  function updateField<T extends keyof BankState>(k: T, v: BankState[T]) {
+    const newValue = { ...value, [k]: v };
+    update(newValue);
+  }
+  function reset() {
+    update(defaultBankState)
+  }
+  return [value, updateField, reset];
+}