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packages/taler-harness/src/integrationtests/test-payment-expired.ts

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+/*
+ This file is part of GNU Taler
+ (C) 2020 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/>
+ */
+
+/**
+ * Imports.
+ */
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { GlobalTestState, MerchantApiClient } from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV2,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+import {
+  AbsoluteTime,
+  Duration,
+  MerchantContractTerms,
+  PreparePayResultType,
+} from "@gnu-taler/taler-util";
+
+/**
+ * Run a test for the following scenario:
+ *
+ * - Wallet claims an order
+ * - Merchant goes down
+ * - Wallet tried to pay, but it fails as the merchant is unavailable
+ * - The order expires
+ * - The merchant goes back up again
+ * - Instead of trying to get an abort-refund, the wallet notices that
+ *   the order is expired, puts the transaction into "failed",
+ *   refreshes allocated coins and thus raises the balance again.
+ */
+export async function runPaymentExpiredTest(t: GlobalTestState) {
+  // Set up test environment
+
+  const { walletClient, bank, exchange, merchant } =
+    await createSimpleTestkudosEnvironmentV2(t);
+
+  // Withdraw digital cash into the wallet.
+
+  await withdrawViaBankV2(t, {
+    walletClient,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await walletClient.call(WalletApiOperation.TestingWaitTransactionsFinal, {});
+
+  // Order that can only be paid within five minutes.
+  const order: Partial<MerchantContractTerms> = {
+    summary: "Buy me!",
+    amount: "TESTKUDOS:5",
+    fulfillment_url: "taler://fulfillment-success/thx",
+    pay_deadline: AbsoluteTime.toProtocolTimestamp(
+      AbsoluteTime.addDuration(
+        AbsoluteTime.now(),
+        Duration.fromSpec({ minutes: 5 }),
+      ),
+    ),
+  };
+
+  const merchantClient = new MerchantApiClient(merchant.makeInstanceBaseUrl());
+
+  const orderResp = await merchantClient.createOrder({
+    order,
+  });
+
+  let orderStatus = await merchantClient.queryPrivateOrderStatus({
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "unpaid");
+
+  const preparePayResult = await walletClient.call(
+    WalletApiOperation.PreparePayForUri,
+    {
+      talerPayUri: orderStatus.taler_pay_uri,
+    },
+  );
+
+  t.assertDeepEqual(
+    preparePayResult.status,
+    PreparePayResultType.PaymentPossible,
+  );
+}
+
+runPaymentExpiredTest.suites = ["wallet"];