1 files changed, 285 insertions, 0 deletions
diff --git a/packages/taler-harness/src/integrationtests/test-peer-to-peer-pull.ts b/packages/taler-harness/src/integrationtests/test-peer-to-peer-pull.ts
new file mode 100644
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+++ b/packages/taler-harness/src/integrationtests/test-peer-to-peer-pull.ts
@@ -0,0 +1,285 @@
+/*
+ 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,
+  AmountString,
+  Duration,
+  j2s,
+  NotificationType,
+  TransactionMajorState,
+  TransactionMinorState,
+  TransactionType,
+  WalletNotification,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import {
+  BankServiceHandle,
+  ExchangeService,
+  GlobalTestState,
+  WalletClient,
+} from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV2,
+  createWalletDaemonWithClient,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+
+/**
+ * Run test for basic, bank-integrated withdrawal and payment.
+ */
+export async function runPeerToPeerPullTest(t: GlobalTestState) {
+  // Set up test environment
+
+  const { bank, exchange } = await createSimpleTestkudosEnvironmentV2(t);
+
+  let allW1Notifications: WalletNotification[] = [];
+  let allW2Notifications: WalletNotification[] = [];
+
+  const w1 = await createWalletDaemonWithClient(t, {
+    name: "w1",
+    persistent: true,
+    handleNotification(wn) {
+      allW1Notifications.push(wn);
+    },
+  });
+  const w2 = await createWalletDaemonWithClient(t, {
+    name: "w2",
+    persistent: true,
+    handleNotification(wn) {
+      allW2Notifications.push(wn);
+    },
+  });
+
+  // Withdraw digital cash into the wallet.
+  const wallet1 = w1.walletClient;
+  const wallet2 = w2.walletClient;
+
+  await checkNormalPeerPull(t, bank, exchange, wallet1, wallet2);
+
+  console.log(`w1 notifications: ${j2s(allW1Notifications)}`);
+
+  // Check that we don't have an excessive number of notifications.
+  t.assertTrue(allW1Notifications.length <= 60);
+
+  await checkAbortedPeerPull(t, bank, exchange, wallet1, wallet2);
+}
+
+async function checkNormalPeerPull(
+  t: GlobalTestState,
+  bank: BankServiceHandle,
+  exchange: ExchangeService,
+  wallet1: WalletClient,
+  wallet2: WalletClient,
+): Promise<void> {
+  const withdrawRes = await withdrawViaBankV2(t, {
+    walletClient: wallet2,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await withdrawRes.withdrawalFinishedCond;
+
+  const purseExpiration = AbsoluteTime.toProtocolTimestamp(
+    AbsoluteTime.addDuration(
+      AbsoluteTime.now(),
+      Duration.fromSpec({ days: 2 }),
+    ),
+  );
+
+  const resp = await wallet1.client.call(
+    WalletApiOperation.InitiatePeerPullCredit,
+    {
+      exchangeBaseUrl: exchange.baseUrl,
+      partialContractTerms: {
+        summary: "Hello World",
+        amount: "TESTKUDOS:5" as AmountString,
+        purse_expiration: purseExpiration,
+      },
+    },
+  );
+
+  const peerPullCreditReadyCond = wallet1.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === resp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Pending &&
+      x.newTxState.minor === TransactionMinorState.Ready,
+  );
+
+  await peerPullCreditReadyCond;
+
+  const creditTx = await wallet1.call(WalletApiOperation.GetTransactionById, {
+    transactionId: resp.transactionId,
+  });
+
+  t.assertDeepEqual(creditTx.type, TransactionType.PeerPullCredit);
+  t.assertTrue(!!creditTx.talerUri);
+
+  const checkResp = await wallet2.client.call(
+    WalletApiOperation.PreparePeerPullDebit,
+    {
+      talerUri: creditTx.talerUri,
+    },
+  );
+
+  console.log(`checkResp: ${j2s(checkResp)}`);
+
+  const peerPullCreditDoneCond = wallet1.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === resp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Done,
+  );
+
+  const peerPullDebitDoneCond = wallet2.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === checkResp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Done,
+  );
+
+  await wallet2.client.call(WalletApiOperation.ConfirmPeerPullDebit, {
+    transactionId: checkResp.transactionId,
+  });
+
+  await peerPullCreditDoneCond;
+  await peerPullDebitDoneCond;
+
+  const txn1 = await wallet1.client.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+
+  const txn2 = await wallet2.client.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+
+  console.log(`txn1: ${j2s(txn1)}`);
+  console.log(`txn2: ${j2s(txn2)}`);
+}
+
+async function checkAbortedPeerPull(
+  t: GlobalTestState,
+  bank: BankServiceHandle,
+  exchange: ExchangeService,
+  wallet1: WalletClient,
+  wallet2: WalletClient,
+): Promise<void> {
+  const withdrawRes = await withdrawViaBankV2(t, {
+    walletClient: wallet2,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await withdrawRes.withdrawalFinishedCond;
+
+  const purseExpiration = AbsoluteTime.toProtocolTimestamp(
+    AbsoluteTime.addDuration(
+      AbsoluteTime.now(),
+      Duration.fromSpec({ days: 2 }),
+    ),
+  );
+
+  const resp = await wallet1.client.call(
+    WalletApiOperation.InitiatePeerPullCredit,
+    {
+      exchangeBaseUrl: exchange.baseUrl,
+      partialContractTerms: {
+        summary: "Hello World",
+        amount: "TESTKUDOS:5" as AmountString,
+        purse_expiration: purseExpiration,
+      },
+    },
+  );
+
+  const peerPullCreditReadyCond = wallet1.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === resp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Pending &&
+      x.newTxState.minor === TransactionMinorState.Ready,
+  );
+
+  await peerPullCreditReadyCond;
+
+  const creditTx = await wallet1.call(WalletApiOperation.GetTransactionById, {
+    transactionId: resp.transactionId,
+  });
+
+  t.assertDeepEqual(creditTx.type, TransactionType.PeerPullCredit);
+  t.assertTrue(!!creditTx.talerUri);
+
+  const checkResp = await wallet2.client.call(
+    WalletApiOperation.PreparePeerPullDebit,
+    {
+      talerUri: creditTx.talerUri,
+    },
+  );
+
+  console.log(`checkResp: ${j2s(checkResp)}`);
+
+  const peerPullCreditAbortedCond = wallet1.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === resp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Aborted,
+  );
+
+  const peerPullDebitAbortedCond = wallet2.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.transactionId === checkResp.transactionId &&
+      x.newTxState.major === TransactionMajorState.Aborted,
+  );
+
+  await wallet1.call(WalletApiOperation.AbortTransaction, {
+    transactionId: resp.transactionId,
+  });
+
+  await wallet2.client.call(WalletApiOperation.ConfirmPeerPullDebit, {
+    transactionId: checkResp.transactionId,
+  });
+
+  console.log(`waiting for ${resp.transactionId} to go to state aborted`);
+  console.log("checkpoint: before-aborted-wait");
+  await peerPullCreditAbortedCond;
+  console.log("checkpoint: after-credit-aborted-wait");
+  await peerPullDebitAbortedCond;
+  console.log("checkpoint: after-debit-aborted-wait");
+  console.log("checkpoint: after-aborted-wait");
+
+  const txn1 = await wallet1.client.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+
+  const txn2 = await wallet2.client.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+
+  console.log(`txn1: ${j2s(txn1)}`);
+  console.log(`txn2: ${j2s(txn2)}`);
+}
+
+runPeerToPeerPullTest.suites = ["wallet"];