1 files changed, 264 insertions, 0 deletions
diff --git a/packages/taler-harness/src/integrationtests/test-peer-to-peer-push.ts b/packages/taler-harness/src/integrationtests/test-peer-to-peer-push.ts
new file mode 100644
index 000000000..21e0d384a
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+++ b/packages/taler-harness/src/integrationtests/test-peer-to-peer-push.ts
@@ -0,0 +1,264 @@
+/*
+ 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,
+  NotificationType,
+  TransactionMajorState,
+  TransactionMinorState,
+  TransactionType,
+  WalletNotification,
+  j2s,
+} from "@gnu-taler/taler-util";
+import { WalletApiOperation } from "@gnu-taler/taler-wallet-core";
+import { GlobalTestState } from "../harness/harness.js";
+import {
+  createSimpleTestkudosEnvironmentV2,
+  createWalletDaemonWithClient,
+  withdrawViaBankV2,
+} from "../harness/helpers.js";
+
+/**
+ * Run a test for basic peer-push payments.
+ */
+export async function runPeerToPeerPushTest(t: GlobalTestState) {
+  const { bank, exchange } = await createSimpleTestkudosEnvironmentV2(t);
+
+  let allW1Notifications: WalletNotification[] = [];
+  let allW2Notifications: WalletNotification[] = [];
+
+  const w1 = await createWalletDaemonWithClient(t, {
+    name: "w1",
+    handleNotification(wn) {
+      allW1Notifications.push(wn);
+    },
+  });
+  const w2 = await createWalletDaemonWithClient(t, {
+    name: "w2",
+    handleNotification(wn) {
+      allW2Notifications.push(wn);
+    },
+  });
+
+  // Withdraw digital cash into the wallet.
+
+  const withdrawRes = await withdrawViaBankV2(t, {
+    walletClient: w1.walletClient,
+    bank,
+    exchange,
+    amount: "TESTKUDOS:20",
+  });
+
+  await withdrawRes.withdrawalFinishedCond;
+
+  const purse_expiration = AbsoluteTime.toProtocolTimestamp(
+    AbsoluteTime.addDuration(
+      AbsoluteTime.now(),
+      Duration.fromSpec({ days: 2 }),
+    ),
+  );
+
+  const checkResp0 = await w1.walletClient.call(
+    WalletApiOperation.CheckPeerPushDebit,
+    {
+      amount: "TESTKUDOS:5" as AmountString,
+    },
+  );
+
+  t.assertAmountEquals(checkResp0.amountEffective, "TESTKUDOS:5.49");
+
+  {
+    const resp = await w1.walletClient.call(
+      WalletApiOperation.InitiatePeerPushDebit,
+      {
+        partialContractTerms: {
+          summary: "Hello World 😁😇",
+          amount: "TESTKUDOS:5" as AmountString,
+          purse_expiration,
+        },
+      },
+    );
+
+    console.log(resp);
+  }
+
+  {
+    const bal = await w1.walletClient.call(WalletApiOperation.GetBalances, {});
+    t.assertAmountEquals(bal.balances[0].pendingOutgoing, "TESTKUDOS:5.49");
+  }
+
+  await w1.walletClient.call(WalletApiOperation.TestingWaitRefreshesFinal, {});
+
+  const resp = await w1.walletClient.call(
+    WalletApiOperation.InitiatePeerPushDebit,
+    {
+      partialContractTerms: {
+        summary: "Hello World 🥺",
+        amount: "TESTKUDOS:5" as AmountString,
+        purse_expiration,
+      },
+    },
+  );
+
+  console.log(resp);
+
+  const peerPushReadyCond = w1.walletClient.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.newTxState.major === TransactionMajorState.Pending &&
+      x.newTxState.minor === TransactionMinorState.Ready &&
+      x.transactionId === resp.transactionId,
+  );
+
+  await peerPushReadyCond;
+
+  const txDetails = await w1.walletClient.call(
+    WalletApiOperation.GetTransactionById,
+    {
+      transactionId: resp.transactionId,
+    },
+  );
+  t.assertDeepEqual(txDetails.type, TransactionType.PeerPushDebit);
+  t.assertTrue(!!txDetails.talerUri);
+
+  const checkResp = await w2.walletClient.call(
+    WalletApiOperation.PreparePeerPushCredit,
+    {
+      talerUri: txDetails.talerUri,
+    },
+  );
+
+  console.log(checkResp);
+
+  const acceptResp = await w2.walletClient.call(
+    WalletApiOperation.ConfirmPeerPushCredit,
+    {
+      transactionId: checkResp.transactionId,
+    },
+  );
+
+  console.log(acceptResp);
+
+  const txn1 = await w1.walletClient.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+  const txn2 = await w2.walletClient.call(
+    WalletApiOperation.GetTransactions,
+    {},
+  );
+
+  console.log(`txn1: ${j2s(txn1)}`);
+  console.log(`txn2: ${j2s(txn2)}`);
+
+  // We expect insufficient balance here!
+  const ex1 = await t.assertThrowsTalerErrorAsync(async () => {
+    await w1.walletClient.call(WalletApiOperation.InitiatePeerPushDebit, {
+      partialContractTerms: {
+        summary: "(this will fail)",
+        amount: "TESTKUDOS:15" as AmountString,
+        purse_expiration,
+      },
+    });
+  });
+
+  console.log("got expected exception detail", j2s(ex1.errorDetail));
+
+  const initiateResp2 = await w1.walletClient.call(
+    WalletApiOperation.InitiatePeerPushDebit,
+    {
+      partialContractTerms: {
+        summary: "second tx, will expire",
+        amount: "TESTKUDOS:5" as AmountString,
+        purse_expiration,
+      },
+    },
+  );
+
+  const peerPushReadyCond2 = w1.walletClient.waitForNotificationCond(
+    (x) =>
+      x.type === NotificationType.TransactionStateTransition &&
+      x.newTxState.major === TransactionMajorState.Pending &&
+      x.newTxState.minor === TransactionMinorState.Ready &&
+      x.transactionId === initiateResp2.transactionId,
+  );
+
+  await peerPushReadyCond2;
+
+  const txDetails3 = await w1.walletClient.call(
+    WalletApiOperation.GetTransactionById,
+    {
+      transactionId: initiateResp2.transactionId,
+    },
+  );
+  t.assertDeepEqual(txDetails3.type, TransactionType.PeerPushDebit);
+  t.assertTrue(!!txDetails3.talerUri);
+
+  await w2.walletClient.call(WalletApiOperation.PreparePeerPushCredit, {
+    talerUri: txDetails3.talerUri,
+  });
+
+  const timetravelOffsetMs = Duration.toMilliseconds(
+    Duration.fromSpec({ days: 5 }),
+  );
+
+  console.log("stopping exchange to apply time-travel");
+
+  await exchange.stop();
+  exchange.setTimetravel(timetravelOffsetMs);
+  await exchange.start();
+  await exchange.pingUntilAvailable();
+
+  console.log("running expire");
+  await exchange.runExpireOnce();
+  console.log("done running expire");
+
+  console.log("purse should now be expired");
+
+  await w1.walletClient.call(WalletApiOperation.TestingSetTimetravel, {
+    offsetMs: timetravelOffsetMs,
+  });
+
+  await w2.walletClient.call(WalletApiOperation.TestingSetTimetravel, {
+    offsetMs: timetravelOffsetMs,
+  });
+
+  await w1.walletClient.call(
+    WalletApiOperation.TestingWaitTransactionsFinal,
+    {},
+  );
+
+  await w2.walletClient.call(
+    WalletApiOperation.TestingWaitTransactionsFinal,
+    {},
+  );
+
+  const txDetails2 = await w1.walletClient.call(
+    WalletApiOperation.GetTransactionById,
+    {
+      transactionId: initiateResp2.transactionId,
+    },
+  );
+
+  console.log(`tx details 2: ${j2s(txDetails2)}`);
+}
+
+runPeerToPeerPushTest.suites = ["wallet"];