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diff --git a/packages/taler-wallet-webextension/src/components/TermsOfService/index.ts b/packages/taler-wallet-webextension/src/components/TermsOfService/index.ts
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+/*
+ 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 { ComponentChildren } from "preact";
+import { Loading } from "../../components/Loading.js";
+import { ErrorAlert } from "../../context/alert.js";
+import { SelectFieldHandler, ToggleHandler } from "../../mui/handlers.js";
+import { StateViewMap, compose } from "../../utils/index.js";
+import { ErrorAlertView } from "../CurrentAlerts.js";
+import { useComponentState } from "./state.js";
+import { TermsState } from "./utils.js";
+import {
+  ShowButtonsAcceptedTosView,
+  ShowButtonsNonAcceptedTosView,
+  ShowTosContentView,
+} from "./views.js";
+
+export interface Props {
+  exchangeUrl: string;
+  readOnly?: boolean;
+  showEvenIfaccepted?: boolean;
+  children: ComponentChildren;
+}
+
+export type State =
+  | State.Loading
+  | State.Error
+  | State.ShowButtonsAccepted
+  | State.ShowButtonsNotAccepted
+  | State.ShowContent;
+
+export namespace State {
+  export interface Loading {
+    status: "loading";
+    error: undefined;
+  }
+
+  export interface Error {
+    status: "error";
+    error: ErrorAlert;
+  }
+
+  export interface BaseInfo {
+    error: undefined;
+    terms: TermsState;
+  }
+  export interface ShowContent extends BaseInfo {
+    status: "show-content";
+    termsAccepted: ToggleHandler;
+    showingTermsOfService?: ToggleHandler;
+    tosLang: SelectFieldHandler;
+    tosFormat: SelectFieldHandler;
+  }
+  export interface ShowButtonsAccepted extends BaseInfo {
+    status: "show-buttons-accepted";
+    termsAccepted: ToggleHandler;
+    showingTermsOfService: ToggleHandler;
+    children: ComponentChildren,
+  }
+  export interface ShowButtonsNotAccepted extends BaseInfo {
+    status: "show-buttons-not-accepted";
+    showingTermsOfService: ToggleHandler;
+  }
+}
+
+const viewMapping: StateViewMap<State> = {
+  loading: Loading,
+  error: ErrorAlertView,
+  "show-content": ShowTosContentView,
+  "show-buttons-accepted": ShowButtonsAcceptedTosView,
+  "show-buttons-not-accepted": ShowButtonsNonAcceptedTosView,
+};
+
+export const TermsOfService = compose(
+  "TermsOfService",
+  (p: Props) => useComponentState(p),
+  viewMapping,
+);