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/*
This file is part of GNU Taler
(C) 2021 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 {
AmountString,
buildCodecForObject,
codecForBoolean,
codecForNumber,
codecForString,
codecOptional,
j2s,
Logger,
} from "@gnu-taler/taler-util";
import {
AccessStats,
applyRunConfigDefaults,
createNativeWalletHost2,
Wallet,
WalletApiOperation,
} from "@gnu-taler/taler-wallet-core";
import { harnessHttpLib } from "./harness/harness.js";
/**
* Entry point for the benchmark.
*
* The benchmark runs against an existing Taler deployment and does not
* set up its own services.
*/
export async function runBench1(configJson: any): Promise<void> {
const logger = new Logger("Bench1");
// Validate the configuration file for this benchmark.
const b1conf = codecForBench1Config().decode(configJson);
const numIter = b1conf.iterations ?? 1;
const numDeposits = b1conf.deposits ?? 5;
const restartWallet = b1conf.restartAfter ?? 20;
const withdrawOnly = b1conf.withdrawOnly ?? false;
const withdrawAmount = (numDeposits + 1) * 10;
logger.info(
`Starting Benchmark iterations=${numIter} deposits=${numDeposits}`,
);
const trustExchange = !!process.env["TALER_WALLET_INSECURE_TRUST_EXCHANGE"];
if (trustExchange) {
logger.info("trusting exchange (not validating signatures)");
} else {
logger.info("not trusting exchange (validating signatures)");
}
let wallet = {} as Wallet;
let getDbStats: () => AccessStats;
for (let i = 0; i < numIter; i++) {
// Create a new wallet in each iteration
// otherwise the TPS go down
// my assumption is that the in-memory db file gets too large
if (i % restartWallet == 0) {
if (Object.keys(wallet).length !== 0) {
wallet.stop();
console.log("wallet DB stats", j2s(getDbStats!()));
}
const res = await createNativeWalletHost2({
// No persistent DB storage.
persistentStoragePath: undefined,
httpLib: harnessHttpLib,
});
wallet = res.wallet;
getDbStats = res.getDbStats;
await wallet.client.call(WalletApiOperation.InitWallet, {
config: {
testing: {
insecureTrustExchange: trustExchange,
},
features: {},
},
});
}
logger.trace(`Starting withdrawal amount=${withdrawAmount}`);
let start = Date.now();
await wallet.client.call(WalletApiOperation.WithdrawTestBalance, {
amount: (b1conf.currency + ":" + withdrawAmount) as AmountString,
corebankApiBaseUrl: b1conf.bank,
exchangeBaseUrl: b1conf.exchange,
});
await wallet.runTaskLoop({
stopWhenDone: true,
});
logger.info(
`Finished withdrawal amount=${withdrawAmount} time=${Date.now() - start}`,
);
if (!withdrawOnly) {
for (let i = 0; i < numDeposits; i++) {
logger.trace(`Starting deposit amount=10`);
start = Date.now();
await wallet.client.call(WalletApiOperation.CreateDepositGroup, {
amount: (b1conf.currency + ":10") as AmountString,
depositPaytoUri: b1conf.payto,
});
await wallet.runTaskLoop({
stopWhenDone: true,
});
logger.info(`Finished deposit amount=10 time=${Date.now() - start}`);
}
}
}
wallet.stop();
console.log("wallet DB stats", j2s(getDbStats!()));
}
/**
* Format of the configuration file passed to the benchmark
*/
interface Bench1Config {
/**
* 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;
/**
* How any iterations run until the wallet db gets purged
* Defaults to 20.
*/
restartAfter?: number;
withdrawOnly?: boolean;
}
/**
* Schema validation codec for Bench1Config.
*/
const codecForBench1Config = () =>
buildCodecForObject<Bench1Config>()
.property("bank", codecForString())
.property("payto", codecForString())
.property("exchange", codecForString())
.property("iterations", codecOptional(codecForNumber()))
.property("deposits", codecOptional(codecForNumber()))
.property("currency", codecForString())
.property("restartAfter", codecOptional(codecForNumber()))
.property("withdrawOnly", codecOptional(codecForBoolean()))
.build("Bench1Config");
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