From 083c4cf5d96314c44dd716cf3cc931e95b651bbd Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Fri, 23 Dec 2022 12:59:29 +0100
Subject: spill extra functionality from wallet-cli into taler-harness

We want to keep taler-wallet-cli smaller and have fewer dependencies.
---
 packages/taler-harness/src/bench2.ts | 170 +++++++++++++++++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 packages/taler-harness/src/bench2.ts

(limited to 'packages/taler-harness/src/bench2.ts')

diff --git a/packages/taler-harness/src/bench2.ts b/packages/taler-harness/src/bench2.ts
new file mode 100644
index 000000000..196737436
--- /dev/null
+++ b/packages/taler-harness/src/bench2.ts
@@ -0,0 +1,170 @@
+/*
+ This file is part of GNU Taler
+ (C) 2022 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 {
+  buildCodecForObject,
+  codecForNumber,
+  codecForString,
+  codecOptional,
+  Logger,
+} from "@gnu-taler/taler-util";
+import {
+  checkReserve,
+  createFakebankReserve,
+  CryptoDispatcher,
+  depositCoin,
+  downloadExchangeInfo,
+  findDenomOrThrow,
+  NodeHttpLib,
+  refreshCoin,
+  SynchronousCryptoWorkerFactoryNode,
+  withdrawCoin,
+} from "@gnu-taler/taler-wallet-core";
+
+/**
+ * Entry point for the benchmark.
+ *
+ * The benchmark runs against an existing Taler deployment and does not
+ * set up its own services.
+ */
+export async function runBench2(configJson: any): Promise<void> {
+  const logger = new Logger("Bench2");
+
+  // Validate the configuration file for this benchmark.
+  const benchConf = codecForBench2Config().decode(configJson);
+  const curr = benchConf.currency;
+  const cryptoDisp = new CryptoDispatcher(new SynchronousCryptoWorkerFactoryNode());
+  const cryptoApi = cryptoDisp.cryptoApi;
+
+  const http = new NodeHttpLib();
+  http.setThrottling(false);
+
+  const numIter = benchConf.iterations ?? 1;
+  const numDeposits = benchConf.deposits ?? 5;
+
+  const reserveAmount = (numDeposits + 1) * 10;
+
+  for (let i = 0; i < numIter; i++) {
+    const exchangeInfo = await downloadExchangeInfo(benchConf.exchange, http);
+
+    const reserveKeyPair = await cryptoApi.createEddsaKeypair({});
+
+    console.log("creating fakebank reserve");
+
+    await createFakebankReserve({
+      amount: `${curr}:${reserveAmount}`,
+      exchangeInfo,
+      fakebankBaseUrl: benchConf.bank,
+      http,
+      reservePub: reserveKeyPair.pub,
+    });
+
+    console.log("waiting for reserve");
+
+    await checkReserve(http, benchConf.exchange, reserveKeyPair.pub);
+
+    console.log("reserve found");
+
+    const d1 = findDenomOrThrow(exchangeInfo, `${curr}:8`);
+
+    for (let j = 0; j < numDeposits; j++) {
+      console.log("withdrawing coin");
+      const coin = await withdrawCoin({
+        http,
+        cryptoApi,
+        reserveKeyPair: {
+          reservePriv: reserveKeyPair.priv,
+          reservePub: reserveKeyPair.pub,
+        },
+        denom: d1,
+        exchangeBaseUrl: benchConf.exchange,
+      });
+
+      console.log("depositing coin");
+
+      await depositCoin({
+        amount: `${curr}:4`,
+        coin: coin,
+        cryptoApi,
+        exchangeBaseUrl: benchConf.exchange,
+        http,
+        depositPayto: benchConf.payto,
+      });
+
+      const refreshDenoms = [
+        findDenomOrThrow(exchangeInfo, `${curr}:1`),
+        findDenomOrThrow(exchangeInfo, `${curr}:1`),
+      ];
+
+      console.log("refreshing coin");
+
+      await refreshCoin({
+        oldCoin: coin,
+        cryptoApi,
+        http,
+        newDenoms: refreshDenoms,
+      });
+
+      console.log("refresh done");
+    }
+  }
+}
+
+/**
+ * Format of the configuration file passed to the benchmark
+ */
+interface Bench2Config {
+  /**
+   * Base URL of the bank.
+   */
+  bank: string;
+
+  /**
+   * Payto url for deposits.
+   */
+  payto: string;
+
+  /**
+   * Base URL of the exchange.
+   */
+  exchange: string;
+
+  /**
+   * How many withdraw/deposit iterations should be made?
+   * Defaults to 1.
+   */
+  iterations?: number;
+
+  currency: string;
+
+  deposits?: number;
+}
+
+/**
+ * Schema validation codec for Bench1Config.
+ */
+const codecForBench2Config = () =>
+  buildCodecForObject<Bench2Config>()
+    .property("bank", codecForString())
+    .property("payto", codecForString())
+    .property("exchange", codecForString())
+    .property("iterations", codecOptional(codecForNumber()))
+    .property("deposits", codecOptional(codecForNumber()))
+    .property("currency", codecForString())
+    .build("Bench2Config");
-- 
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