1 files changed, 163 insertions, 0 deletions
diff --git a/packages/taler-harness/src/integrationtests/test-denom-unoffered.ts b/packages/taler-harness/src/integrationtests/test-denom-unoffered.ts
new file mode 100644
index 000000000..6a82d586c
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+++ b/packages/taler-harness/src/integrationtests/test-denom-unoffered.ts
@@ -0,0 +1,163 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 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 {
+  MerchantApiClient,
+  PreparePayResultType,
+  TalerErrorCode,
+  TransactionType,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { GlobalTestState } from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV2,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+
+export async function runDenomUnofferedTest(t: GlobalTestState) {
+  // Set up test environment
+
+  const { walletClient, bank, exchange, merchant } =
+    await createSimpleTestkudosEnvironmentV2(t);
+
+  // Withdraw digital cash into the wallet.
+
+  const wres = await withdrawViaBankV2(t, {
+    walletClient,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await wres.withdrawalFinishedCond;
+
+  // Make the exchange forget the denomination.
+  // Effectively we completely reset the exchange,
+  // but keep the exchange master public key.
+
+  await merchant.stop();
+
+  await exchange.stop();
+  await exchange.purgeDatabase();
+  await exchange.purgeSecmodKeys();
+  await exchange.start();
+  await exchange.pingUntilAvailable();
+
+  await merchant.start();
+  await merchant.pingUntilAvailable();
+
+  const order = {
+    summary: "Buy me!",
+    amount: "TESTKUDOS:5",
+    fulfillment_url: "taler://fulfillment-success/thx",
+  };
+
+  const merchantClient = new MerchantApiClient(merchant.makeInstanceBaseUrl());
+
+  const orderResp = await merchantClient.createOrder({
+    order: order,
+  });
+
+  let orderStatus = await merchantClient.queryPrivateOrderStatus({
+    orderId: orderResp.order_id,
+  });
+
+  t.assertTrue(orderStatus.order_status === "unpaid");
+
+  // Make wallet pay for the order
+
+  const preparePayResult = await walletClient.call(
+    WalletApiOperation.PreparePayForUri,
+    {
+      talerPayUri: orderStatus.taler_pay_uri,
+    },
+  );
+
+  t.assertTrue(
+    preparePayResult.status === PreparePayResultType.PaymentPossible,
+  );
+
+  const confirmResp = await walletClient.call(WalletApiOperation.ConfirmPay, {
+    transactionId: preparePayResult.transactionId,
+  });
+
+  const tx = await walletClient.call(WalletApiOperation.GetTransactionById, {
+    transactionId: confirmResp.transactionId,
+  });
+
+  t.assertTrue(tx.error != null);
+  t.assertTrue(
+    tx.error.code === TalerErrorCode.WALLET_PAY_MERCHANT_SERVER_ERROR,
+  );
+
+  const merchantErrorCode = (tx.error as any).requestError.errorResponse.code;
+
+  t.assertDeepEqual(
+    merchantErrorCode,
+    TalerErrorCode.MERCHANT_GENERIC_EXCHANGE_UNEXPECTED_STATUS,
+  );
+
+  const exchangeErrorCode = (tx.error as any).requestError.errorResponse
+    .exchange_ec;
+
+  t.assertDeepEqual(
+    exchangeErrorCode,
+    TalerErrorCode.EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN,
+  );
+
+  // Depending on whether the merchant has seen the new denominations or not,
+  // the error code might be different here.
+  // t.assertDeepEqual(
+  //   merchantErrorCode,
+  //   TalerErrorCode.MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_NOT_FOUND,
+  // );
+
+  // Force updating the exchange entry so that the wallet knows about the new denominations.
+  await walletClient.call(WalletApiOperation.UpdateExchangeEntry, {
+    exchangeBaseUrl: exchange.baseUrl,
+    force: true,
+  });
+
+  await walletClient.call(WalletApiOperation.DeleteTransaction, {
+    transactionId: confirmResp.transactionId,
+  });
+
+  // Now withdrawal should work again.
+  await withdrawViaBankV2(t, {
+    walletClient,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await walletClient.call(WalletApiOperation.TestingWaitTransactionsFinal, {});
+
+  const txs = await walletClient.call(WalletApiOperation.GetTransactions, {
+    sort: "stable-ascending",
+    includeRefreshes: true,
+  });
+  console.log(JSON.stringify(txs, undefined, 2));
+
+  t.assertDeepEqual(txs.transactions[0].type, TransactionType.Withdrawal);
+  t.assertDeepEqual(txs.transactions[1].type, TransactionType.Refresh);
+  t.assertDeepEqual(txs.transactions[2].type, TransactionType.DenomLoss);
+  t.assertDeepEqual(txs.transactions[3].type, TransactionType.Withdrawal);
+}
+
+runDenomUnofferedTest.suites = ["wallet"];