diff options
Diffstat (limited to 'packages/taler-harness/src/bench3.ts')
| -rw-r--r-- | packages/taler-harness/src/bench3.ts | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/packages/taler-harness/src/bench3.ts b/packages/taler-harness/src/bench3.ts new file mode 100644 index 000000000..ddf763c5b --- /dev/null +++ b/packages/taler-harness/src/bench3.ts @@ -0,0 +1,207 @@ +/* + 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, + codecForNumber, + codecForString, + codecOptional, + j2s, + Logger, +} from "@gnu-taler/taler-util"; +import { createPlatformHttpLib } from "@gnu-taler/taler-util/http"; +import { + AccessStats, + createNativeWalletHost2, + Wallet, + WalletApiOperation, +} from "@gnu-taler/taler-wallet-core"; +import benchMerchantIDGenerator from "./benchMerchantIDGenerator.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 runBench3(configJson: any): Promise<void> { + const logger = new Logger("Bench3"); + + // Validate the configuration file for this benchmark. + const b3conf = codecForBench3Config().decode(configJson); + + if (!b3conf.paytoTemplate.includes("${id")) { + throw new Error("Payto template url must contain '${id}' placeholder"); + } + + const myHttpLib = createPlatformHttpLib({ + enableThrottling: false, + }); + + const numIter = b3conf.iterations ?? 1; + const numDeposits = b3conf.deposits ?? 5; + const restartWallet = b3conf.restartAfter ?? 20; + + const withdrawAmount = (numDeposits + 1) * 10; + + const IDGenerator = benchMerchantIDGenerator( + b3conf.randomAlg, + b3conf.numMerchants ?? 100, + ); + + logger.info( + `Starting Benchmark iterations=${numIter} deposits=${numDeposits} with ${b3conf.randomAlg} merchant selection`, + ); + + const trustExchange = !!process.env["TALER_WALLET_INSECURE_TRUST_EXCHANGE"]; + if (trustExchange) { + logger.info("trusting exchange (not validating signatures)"); + } else { + logger.info("not trusting exchange (validating signatures)"); + } + let wallet = {} as Wallet; + let getDbStats: () => AccessStats; + + for (let i = 0; i < numIter; i++) { + // Create a new wallet in each iteration + // otherwise the TPS go down + // my assumption is that the in-memory db file gets too large + if (i % restartWallet == 0) { + if (Object.keys(wallet).length !== 0) { + await wallet.client.call(WalletApiOperation.Shutdown, {}); + console.log("wallet DB stats", j2s(getDbStats!())); + } + + const res = await createNativeWalletHost2({ + // No persistent DB storage. + persistentStoragePath: undefined, + httpLib: myHttpLib, + }); + wallet = res.wallet; + getDbStats = res.getDbStats; + await wallet.client.call(WalletApiOperation.InitWallet, { + config: { + features: {}, + testing: { + insecureTrustExchange: trustExchange, + }, + }, + }); + } + + logger.trace(`Starting withdrawal amount=${withdrawAmount}`); + let start = Date.now(); + + await wallet.client.call(WalletApiOperation.WithdrawTestBalance, { + amount: (b3conf.currency + ":" + withdrawAmount) as AmountString, + corebankApiBaseUrl: b3conf.bank, + exchangeBaseUrl: b3conf.exchange, + }); + + await wallet.client.call(WalletApiOperation.TestingWaitTasksDone, {}); + + logger.info( + `Finished withdrawal amount=${withdrawAmount} time=${Date.now() - start}`, + ); + + for (let i = 0; i < numDeposits; i++) { + logger.trace(`Starting deposit amount=10`); + start = Date.now(); + + let merchID = IDGenerator.getRandomMerchantID(); + let payto = b3conf.paytoTemplate.replace("${id}", merchID.toString()); + + await wallet.client.call(WalletApiOperation.CreateDepositGroup, { + amount: (b3conf.currency + ":10") as AmountString, + depositPaytoUri: payto, + }); + + await wallet.client.call(WalletApiOperation.TestingWaitTasksDone, {}); + + logger.info(`Finished deposit amount=10 time=${Date.now() - start}`); + } + } + + await wallet.client.call(WalletApiOperation.Shutdown, {}); + console.log("wallet DB stats", j2s(getDbStats!())); +} + +/** + * Format of the configuration file passed to the benchmark + */ +interface Bench3Config { + /** + * Base URL of the bank. + */ + bank: string; + + /** + * Payto url template for deposits, must contain '${id}' for replacements. + */ + paytoTemplate: 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; + + /** + * Number of merchants to select from randomly + */ + numMerchants?: number; + + /** + * Which random generator to use. + * Possible values: 'zipf', 'rand' + */ + randomAlg: string; +} + +/** + * Schema validation codec for Bench1Config. + */ +const codecForBench3Config = () => + buildCodecForObject<Bench3Config>() + .property("bank", codecForString()) + .property("paytoTemplate", codecForString()) + .property("numMerchants", codecOptional(codecForNumber())) + .property("randomAlg", codecForString()) + .property("exchange", codecForString()) + .property("iterations", codecOptional(codecForNumber())) + .property("deposits", codecOptional(codecForNumber())) + .property("currency", codecForString()) + .property("restartAfter", codecOptional(codecForNumber())) + .build("Bench1Config"); |