From 05535fdc226f39666ed0a692871f54dea904af7b Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Mon, 17 Jun 2024 13:05:16 +0200
Subject: wallet-core,harness: new test, provide reason for exchange entry
 update conflicts

---
 .../test-exchange-master-pub-change.ts             | 114 +++++++++++++++++++++
 .../src/integrationtests/testrunner.ts             |   2 +
 2 files changed, 116 insertions(+)
 create mode 100644 packages/taler-harness/src/integrationtests/test-exchange-master-pub-change.ts

(limited to 'packages/taler-harness/src/integrationtests')

diff --git a/packages/taler-harness/src/integrationtests/test-exchange-master-pub-change.ts b/packages/taler-harness/src/integrationtests/test-exchange-master-pub-change.ts
new file mode 100644
index 000000000..a66d94b57
--- /dev/null
+++ b/packages/taler-harness/src/integrationtests/test-exchange-master-pub-change.ts
@@ -0,0 +1,114 @@
+/*
+ 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 {
+  ExchangeUpdateStatus,
+  TalerErrorCode,
+  j2s,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { defaultCoinConfig } from "../harness/denomStructures.js";
+import {
+  ExchangeService,
+  GlobalTestState,
+  setupDb,
+} from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV3,
+  withdrawViaBankV3,
+} from "../harness/helpers.js";
+
+/**
+ * Test the wallet's behavior when the exchange switches to a completely
+ * new master public keyy.
+ */
+export async function runExchangeMasterPubChangeTest(
+  t: GlobalTestState,
+): Promise<void> {
+  // Set up test environment
+
+  const { walletClient, exchange, bankClient, exchangeBankAccount } =
+    await createSimpleTestkudosEnvironmentV3(t);
+
+  const wres = await withdrawViaBankV3(t, {
+    walletClient,
+    amount: "TESTKUDOS:10",
+    bankClient,
+    exchange,
+  });
+
+  await wres.withdrawalFinishedCond;
+
+  t.logStep("withdrawal-done");
+
+  const exchangesListOld = await walletClient.call(
+    WalletApiOperation.ListExchanges,
+    {},
+  );
+
+  console.log(j2s(exchangesListOld));
+
+  await exchange.stop();
+
+  // Instead of reconfiguring the old exchange, we just create a new exchange here
+  // that runs under the same base URL as the old exchange.
+
+  const db2 = await setupDb(t, {
+    nameSuffix: "e2",
+  });
+  const exchange2 = ExchangeService.create(t, {
+    name: "testexchange-2",
+    currency: "TESTKUDOS",
+    httpPort: 8081,
+    database: db2.connStr,
+  });
+
+  await exchange2.addBankAccount("1", exchangeBankAccount);
+  exchange2.addCoinConfigList(defaultCoinConfig.map((x) => x("TESTKUDOS")));
+  await exchange2.start();
+
+  t.logStep("exchange-restarted");
+
+  const err = await t.assertThrowsTalerErrorAsync(async () => {
+    await walletClient.call(WalletApiOperation.UpdateExchangeEntry, {
+      exchangeBaseUrl: exchange.baseUrl,
+      force: true,
+    });
+  });
+
+  console.log("updateExchangeEntry err:", j2s(err));
+
+  const exchangesList = await walletClient.call(
+    WalletApiOperation.ListExchanges,
+    {},
+  );
+
+  console.log(j2s(exchangesList));
+
+  t.assertDeepEqual(
+    exchangesList.exchanges[0].exchangeUpdateStatus,
+    ExchangeUpdateStatus.UnavailableUpdate,
+  );
+  t.assertDeepEqual(
+    exchangesList.exchanges[0].unavailableReason?.code,
+    TalerErrorCode.WALLET_EXCHANGE_ENTRY_UPDATE_CONFLICT,
+  );
+}
+
+runExchangeMasterPubChangeTest.suites = ["wallet", "exchange"];
diff --git a/packages/taler-harness/src/integrationtests/testrunner.ts b/packages/taler-harness/src/integrationtests/testrunner.ts
index 4588310b1..b329036eb 100644
--- a/packages/taler-harness/src/integrationtests/testrunner.ts
+++ b/packages/taler-harness/src/integrationtests/testrunner.ts
@@ -42,6 +42,7 @@ import { runDepositTest } from "./test-deposit.js";
 import { runExchangeDepositTest } from "./test-exchange-deposit.js";
 import { runExchangeManagementFaultTest } from "./test-exchange-management-fault.js";
 import { runExchangeManagementTest } from "./test-exchange-management.js";
+import { runExchangeMasterPubChangeTest } from "./test-exchange-master-pub-change.js";
 import { runExchangePurseTest } from "./test-exchange-purse.js";
 import { runExchangeTimetravelTest } from "./test-exchange-timetravel.js";
 import { runFeeRegressionTest } from "./test-fee-regression.js";
@@ -234,6 +235,7 @@ const allTests: TestMainFunction[] = [
   runWithdrawalHandoverTest,
   runWithdrawalAmountTest,
   runWithdrawalFlexTest,
+  runExchangeMasterPubChangeTest,
 ];
 
 export interface TestRunSpec {
-- 
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