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path: root/packages/taler-harness/src/integrationtests/test-wallet-wirefees.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 {
  Duration,
  MerchantApiClient,
  MerchantContractTerms,
  PreparePayResultType,
  TransactionMajorState,
} from "@gnu-taler/taler-util";
import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
import { CoinConfig, defaultCoinConfig } from "../harness/denomStructures.js";
import {
  BankService,
  ExchangeService,
  GlobalTestState,
  MerchantService,
  generateRandomPayto,
  setupDb,
} from "../harness/harness.js";
import {
  createWalletDaemonWithClient,
  withdrawViaBankV2,
} from "../harness/helpers.js";

/**
 * Test payment where the exchange charges wire fees.
 */
export async function runWalletWirefeesTest(t: GlobalTestState) {
  // Set up test environment

  const db = await setupDb(t);

  const bank = await BankService.create(t, {
    allowRegistrations: true,
    currency: "TESTKUDOS",
    database: db.connStr,
    httpPort: 8082,
  });

  const exchange = ExchangeService.create(t, {
    name: "testexchange-1",
    currency: "TESTKUDOS",
    httpPort: 8081,
    database: db.connStr,
    // Ridiculously high wire fees!
    overrideWireFee: "TESTKUDOS:5",
  });

  const merchant = await MerchantService.create(t, {
    name: "testmerchant-1",
    currency: "TESTKUDOS",
    httpPort: 8083,
    database: db.connStr,
  });

  const exchangeBankAccount = await bank.createExchangeAccount(
    "myexchange",
    "x",
  );
  await exchange.addBankAccount("1", exchangeBankAccount);

  bank.setSuggestedExchange(exchange, exchangeBankAccount.accountPaytoUri);
  await bank.start();

  await bank.pingUntilAvailable();

  const coinConfig: CoinConfig[] = defaultCoinConfig.map((x) => x("TESTKUDOS"));
  exchange.addCoinConfigList(coinConfig);

  await exchange.start();
  await exchange.pingUntilAvailable();

  merchant.addExchange(exchange);

  await merchant.start();
  await merchant.pingUntilAvailable();

  await merchant.addInstanceWithWireAccount({
    id: "default",
    name: "Default Instance",
    paytoUris: [generateRandomPayto("merchant-default")],
    defaultWireTransferDelay: Duration.toTalerProtocolDuration(
      Duration.fromSpec({ minutes: 1 }),
    ),
  });

  await merchant.addInstanceWithWireAccount({
    id: "minst1",
    name: "minst1",
    paytoUris: [generateRandomPayto("minst1")],
    defaultWireTransferDelay: Duration.toTalerProtocolDuration(
      Duration.fromSpec({ minutes: 1 }),
    ),
  });

  const { walletClient, walletService } = await createWalletDaemonWithClient(
    t,
    { name: "wallet", persistent: true },
  );

  console.log("setup done!");

  // Withdraw digital cash into the wallet.

  await withdrawViaBankV2(t, {
    walletClient,
    bank,
    exchange,
    amount: "TESTKUDOS:20",
  });

  await walletClient.call(WalletApiOperation.TestingWaitTransactionsFinal, {});

  const order = {
    summary: "Buy me!",
    amount: "TESTKUDOS:1",
    fulfillment_url: "taler://fulfillment-success/thx",
    //max_wire_fee: "TESTKUDOS:0.1",
    max_fee: "TESTKUDOS:0.1",
  } satisfies Partial<MerchantContractTerms>;

  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");

  // Make wallet pay for the order

  const preparePayResult = await walletClient.call(
    WalletApiOperation.PreparePayForUri,
    {
      talerPayUri: orderStatus.taler_pay_uri,
    },
  );

  t.assertTrue(
    preparePayResult.status === PreparePayResultType.PaymentPossible,
  );

  console.log(`amountEffective: ${preparePayResult.amountEffective}`);

  t.assertAmountEquals(preparePayResult.amountEffective, "TESTKUDOS:6.4");

  await walletClient.call(WalletApiOperation.ConfirmPay, {
    transactionId: preparePayResult.transactionId,
  });

  await walletClient.call(WalletApiOperation.TestingWaitTransactionsFinal, {});

  const payTxn = await walletClient.call(
    WalletApiOperation.GetTransactionById,
    {
      transactionId: preparePayResult.transactionId,
    },
  );

  t.assertTrue(payTxn.txState.major === TransactionMajorState.Done);
}

runWalletWirefeesTest.suites = ["wallet"];