spill extra functionality from wallet-cli into taler-harness

We want to keep taler-wallet-cli smaller and have fewer dependencies.

1 files changed, 240 insertions, 0 deletions

diff --git a/packages/taler-harness/src/integrationtests/test-exchange-timetravel.ts b/packages/taler-harness/src/integrationtests/test-exchange-timetravel.ts
new file mode 100644
index 000000000..074126e9f
--- /dev/null
+++ b/packages/taler-harness/src/integrationtests/test-exchange-timetravel.ts
@@ -0,0 +1,240 @@
+/*
+ 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 {
+  AbsoluteTime,
+  codecForExchangeKeysJson,
+  DenominationPubKey,
+  Duration,
+  durationFromSpec,
+} from "@gnu-taler/taler-util";
+import {
+  NodeHttpLib,
+  readSuccessResponseJsonOrThrow,
+} from "@gnu-taler/taler-wallet-core";
+import { makeNoFeeCoinConfig } from "../harness/denomStructures.js";
+import {
+  BankService,
+  ExchangeService,
+  GlobalTestState,
+  MerchantPrivateApi,
+  MerchantService,
+  setupDb,
+  WalletCli,
+  getPayto,
+} from "../harness/harness.js";
+import { startWithdrawViaBank, withdrawViaBank } from "../harness/helpers.js";
+
+async function applyTimeTravel(
+  timetravelDuration: Duration,
+  s: {
+    exchange?: ExchangeService;
+    merchant?: MerchantService;
+    wallet?: WalletCli;
+  },
+): Promise<void> {
+  if (s.exchange) {
+    await s.exchange.stop();
+    s.exchange.setTimetravel(timetravelDuration);
+    await s.exchange.start();
+    await s.exchange.pingUntilAvailable();
+  }
+
+  if (s.merchant) {
+    await s.merchant.stop();
+    s.merchant.setTimetravel(timetravelDuration);
+    await s.merchant.start();
+    await s.merchant.pingUntilAvailable();
+  }
+
+  if (s.wallet) {
+    console.log("setting wallet time travel to", timetravelDuration);
+    s.wallet.setTimetravel(timetravelDuration);
+  }
+}
+
+const http = new NodeHttpLib();
+
+/**
+ * Basic time travel test.
+ */
+export async function runExchangeTimetravelTest(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,
+  });
+
+  const merchant = await MerchantService.create(t, {
+    name: "testmerchant-1",
+    currency: "TESTKUDOS",
+    httpPort: 8083,
+    database: db.connStr,
+  });
+
+  const exchangeBankAccount = await bank.createExchangeAccount(
+    "myexchange",
+    "x",
+  );
+  exchange.addBankAccount("1", exchangeBankAccount);
+
+  bank.setSuggestedExchange(exchange, exchangeBankAccount.accountPaytoUri);
+
+  await bank.start();
+
+  await bank.pingUntilAvailable();
+
+  exchange.addCoinConfigList(makeNoFeeCoinConfig("TESTKUDOS"));
+
+  await exchange.start();
+  await exchange.pingUntilAvailable();
+
+  merchant.addExchange(exchange);
+
+  await merchant.start();
+  await merchant.pingUntilAvailable();
+
+  await merchant.addInstance({
+    id: "default",
+    name: "Default Instance",
+    paytoUris: [getPayto("merchant-default")],
+  });
+
+  await merchant.addInstance({
+    id: "minst1",
+    name: "minst1",
+    paytoUris: [getPayto("minst1")],
+  });
+
+  console.log("setup done!");
+
+  const wallet = new WalletCli(t);
+
+  // Withdraw digital cash into the wallet.
+
+  await withdrawViaBank(t, { wallet, bank, exchange, amount: "TESTKUDOS:15" });
+
+  const keysResp1 = await http.get(exchange.baseUrl + "keys");
+  const keys1 = await readSuccessResponseJsonOrThrow(
+    keysResp1,
+    codecForExchangeKeysJson(),
+  );
+  console.log(
+    "keys 1 (before time travel):",
+    JSON.stringify(keys1, undefined, 2),
+  );
+
+  // Travel into the future, the deposit expiration is two years
+  // into the future.
+  console.log("applying first time travel");
+  await applyTimeTravel(durationFromSpec({ days: 400 }), {
+    wallet,
+    exchange,
+    merchant,
+  });
+
+  const keysResp2 = await http.get(exchange.baseUrl + "keys");
+  const keys2 = await readSuccessResponseJsonOrThrow(
+    keysResp2,
+    codecForExchangeKeysJson(),
+  );
+  console.log(
+    "keys 2 (after time travel):",
+    JSON.stringify(keys2, undefined, 2),
+  );
+
+  const denomPubs1 = keys1.denoms.map((x) => {
+    return {
+      denomPub: x.denom_pub,
+      expireDeposit: AbsoluteTime.stringify(
+        AbsoluteTime.fromTimestamp(x.stamp_expire_deposit),
+      ),
+    };
+  });
+
+  const denomPubs2 = keys2.denoms.map((x) => {
+    return {
+      denomPub: x.denom_pub,
+      expireDeposit: AbsoluteTime.stringify(
+        AbsoluteTime.fromTimestamp(x.stamp_expire_deposit),
+      ),
+    };
+  });
+  const dps2 = new Set(denomPubs2.map((x) => x.denomPub));
+
+  console.log("=== KEYS RESPONSE 1 ===");
+
+  console.log(
+    "list issue date",
+    AbsoluteTime.stringify(AbsoluteTime.fromTimestamp(keys1.list_issue_date)),
+  );
+  console.log("num denoms", keys1.denoms.length);
+  console.log("denoms", JSON.stringify(denomPubs1, undefined, 2));
+
+  console.log("=== KEYS RESPONSE 2 ===");
+
+  console.log(
+    "list issue date",
+    AbsoluteTime.stringify(AbsoluteTime.fromTimestamp(keys2.list_issue_date)),
+  );
+  console.log("num denoms", keys2.denoms.length);
+  console.log("denoms", JSON.stringify(denomPubs2, undefined, 2));
+
+  for (const da of denomPubs1) {
+    let found = false;
+    for (const db of denomPubs2) {
+      const d1 = da.denomPub;
+      const d2 = db.denomPub;
+      if (DenominationPubKey.cmp(d1, d2) === 0) {
+        found = true;
+        break;
+      }
+    }
+    if (!found) {
+      console.log("=== ERROR ===");
+      console.log(
+        `denomination with public key ${da.denomPub} is not present in new /keys response`,
+      );
+      console.log(
+        `the new /keys response was issued ${AbsoluteTime.stringify(
+          AbsoluteTime.fromTimestamp(keys2.list_issue_date),
+        )}`,
+      );
+      console.log(
+        `however, the missing denomination has stamp_expire_deposit ${da.expireDeposit}`,
+      );
+      console.log("see above for the verbatim /keys responses");
+      t.assertTrue(false);
+    }
+  }
+}
+
+runExchangeTimetravelTest.suites = ["exchange"];