1 files changed, 165 insertions, 0 deletions
diff --git a/packages/taler-harness/src/integrationtests/test-wallet-exchange-update.ts b/packages/taler-harness/src/integrationtests/test-wallet-exchange-update.ts
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+++ b/packages/taler-harness/src/integrationtests/test-wallet-exchange-update.ts
@@ -0,0 +1,165 @@
+/*
+ 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 {
+  AmountString,
+  ExchangeUpdateStatus,
+  NotificationType,
+  j2s,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { defaultCoinConfig } from "../harness/denomStructures.js";
+import {
+  BankService,
+  ExchangeService,
+  GlobalTestState,
+  setupDb,
+} from "../harness/harness.js";
+import {
+  createWalletDaemonWithClient,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+
+/**
+ * Test how the wallet reacts when an exchange unexpectedly updates
+ * properties like the master public key.
+ */
+export async function runWalletExchangeUpdateTest(
+  t: GlobalTestState,
+): Promise<void> {
+  // Set up test environment
+
+  const db = await setupDb(t);
+  const db2 = await setupDb(t, {
+    nameSuffix: "two",
+  });
+
+  const bank = await BankService.create(t, {
+    allowRegistrations: true,
+    currency: "TESTKUDOS",
+    database: db.connStr,
+    httpPort: 8082,
+  });
+
+  const exchangeOne = ExchangeService.create(t, {
+    name: "testexchange-1",
+    currency: "TESTKUDOS",
+    httpPort: 8081,
+    database: db.connStr,
+  });
+
+  // Danger: The second exchange has the same port!
+  // That's because we want it to have the same base URL,
+  // and we'll only start on of them at a time.
+  const exchangeTwo = ExchangeService.create(t, {
+    name: "testexchange-2",
+    currency: "TESTKUDOS",
+    httpPort: 8081,
+    database: db2.connStr,
+  });
+
+  const exchangeBankAccount = await bank.createExchangeAccount(
+    "myexchange",
+    "x",
+  );
+
+  await exchangeOne.addBankAccount("1", exchangeBankAccount);
+  await exchangeTwo.addBankAccount("1", exchangeBankAccount);
+
+  // Same anyway.
+  bank.setSuggestedExchange(exchangeOne, exchangeBankAccount.accountPaytoUri);
+
+  await bank.start();
+
+  exchangeOne.addCoinConfigList(defaultCoinConfig.map((x) => x("TESTKUDOS")));
+  exchangeTwo.addCoinConfigList(defaultCoinConfig.map((x) => x("TESTKUDOS")));
+
+  // Only start first exchange.
+  await exchangeOne.start();
+
+  const { walletClient } = await createWalletDaemonWithClient(t, {
+    name: "wallet",
+    persistent: true,
+  });
+
+  // Since the default exchanges can change, we start the wallet in tests
+  // with no built-in defaults. Thus the list of exchanges is empty here.
+  const exchangesListResult = await walletClient.call(
+    WalletApiOperation.ListExchanges,
+    {},
+  );
+
+  t.assertDeepEqual(exchangesListResult.exchanges.length, 0);
+
+  const wres = await withdrawViaBankV2(t, {
+    walletClient,
+    bank,
+    exchange: exchangeOne,
+    amount: "TESTKUDOS:10",
+  });
+
+  await wres.withdrawalFinishedCond;
+
+  await exchangeOne.stop();
+
+  console.log("starting second exchange");
+  await exchangeTwo.start();
+
+  console.log("updating exchange entry");
+
+  await t.assertThrowsAsync(async () => {
+    await walletClient.call(WalletApiOperation.UpdateExchangeEntry, {
+      exchangeBaseUrl: exchangeOne.baseUrl,
+      force: true,
+    });
+  });
+
+  const exchangeEntry = await walletClient.call(
+    WalletApiOperation.GetExchangeEntryByUrl,
+    {
+      exchangeBaseUrl: exchangeOne.baseUrl,
+    },
+  );
+
+  console.log(`exchange entry: ${j2s(exchangeEntry)}`);
+
+  await t.assertThrowsAsync(async () => {
+    await walletClient.call(WalletApiOperation.GetWithdrawalDetailsForAmount, {
+      amount: "TESTKUDOS:10" as AmountString,
+      exchangeBaseUrl: exchangeOne.baseUrl,
+    });
+  });
+
+  const exchangeAvailableCond = walletClient.waitForNotificationCond((n) => {
+    console.log(`got notif ${j2s(n)}`);
+    return (
+      n.type === NotificationType.ExchangeStateTransition &&
+      n.newExchangeState.exchangeUpdateStatus === ExchangeUpdateStatus.Ready
+    );
+  });
+
+  await exchangeTwo.stop();
+
+  console.log("starting first exchange");
+  await exchangeOne.start();
+
+  await exchangeAvailableCond;
+}
+
+runWalletExchangeUpdateTest.suites = ["wallet"];