From 332745862e728dc5e79a424698b2736c4f2683bf Mon Sep 17 00:00:00 2001 From: Florian Dold Date: Mon, 14 Mar 2022 18:31:30 +0100 Subject: wallet: towards db-less benchmarking, some refactoring --- .../src/integrationtests/test-wallet-dbless.ts | 358 +++++++++++++++++++++ 1 file changed, 358 insertions(+) create mode 100644 packages/taler-wallet-cli/src/integrationtests/test-wallet-dbless.ts (limited to 'packages/taler-wallet-cli/src/integrationtests/test-wallet-dbless.ts') diff --git a/packages/taler-wallet-cli/src/integrationtests/test-wallet-dbless.ts b/packages/taler-wallet-cli/src/integrationtests/test-wallet-dbless.ts new file mode 100644 index 000000000..9ff605df5 --- /dev/null +++ b/packages/taler-wallet-cli/src/integrationtests/test-wallet-dbless.ts @@ -0,0 +1,358 @@ +/* + 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 + */ + +/** + * Imports. + */ +import { + AmountJson, + AmountLike, + Amounts, + AmountString, + codecForBankWithdrawalOperationPostResponse, + codecForDepositSuccess, + codecForExchangeMeltResponse, + codecForWithdrawResponse, + DenominationPubKey, + eddsaGetPublic, + encodeCrock, + ExchangeMeltRequest, + ExchangeProtocolVersion, + ExchangeWithdrawRequest, + getRandomBytes, + getTimestampNow, + hashWire, + j2s, + Timestamp, + UnblindedSignature, +} from "@gnu-taler/taler-util"; +import { + BankAccessApi, + BankApi, + BankServiceHandle, + CryptoApi, + DenominationRecord, + downloadExchangeInfo, + ExchangeInfo, + getBankWithdrawalInfo, + HttpRequestLibrary, + isWithdrawableDenom, + NodeHttpLib, + OperationFailedError, + readSuccessResponseJsonOrThrow, + SynchronousCryptoWorkerFactory, +} from "@gnu-taler/taler-wallet-core"; +import { GlobalTestState } from "../harness/harness.js"; +import { createSimpleTestkudosEnvironment } from "../harness/helpers.js"; + +const httpLib = new NodeHttpLib(); + +export interface ReserveKeypair { + reservePub: string; + reservePriv: string; +} + +/** + * Denormalized info about a coin. + */ +export interface CoinInfo { + coinPub: string; + coinPriv: string; + exchangeBaseUrl: string; + denomSig: UnblindedSignature; + denomPub: DenominationPubKey; + denomPubHash: string; + feeDeposit: string; + feeRefresh: string; +} + +export function generateReserveKeypair(): ReserveKeypair { + const priv = getRandomBytes(32); + const pub = eddsaGetPublic(priv); + return { + reservePriv: encodeCrock(priv), + reservePub: encodeCrock(pub), + }; +} + +async function topupReserveWithDemobank( + reservePub: string, + bankBaseUrl: string, + exchangeInfo: ExchangeInfo, + amount: AmountString, +) { + const bankHandle: BankServiceHandle = { + baseUrl: bankBaseUrl, + http: httpLib, + }; + const bankUser = await BankApi.createRandomBankUser(bankHandle); + const wopi = await BankAccessApi.createWithdrawalOperation( + bankHandle, + bankUser, + amount, + ); + const bankInfo = await getBankWithdrawalInfo( + httpLib, + wopi.taler_withdraw_uri, + ); + const bankStatusUrl = bankInfo.extractedStatusUrl; + if (!bankInfo.suggestedExchange) { + throw Error("no suggested exchange"); + } + const plainPaytoUris = + exchangeInfo.wire.accounts.map((x) => x.payto_uri) ?? []; + if (plainPaytoUris.length <= 0) { + throw new Error(); + } + const httpResp = await httpLib.postJson(bankStatusUrl, { + reserve_pub: reservePub, + selected_exchange: plainPaytoUris[0], + }); + await readSuccessResponseJsonOrThrow( + httpResp, + codecForBankWithdrawalOperationPostResponse(), + ); + await BankApi.confirmWithdrawalOperation(bankHandle, bankUser, wopi); +} + +async function withdrawCoin(args: { + http: HttpRequestLibrary; + cryptoApi: CryptoApi; + reserveKeyPair: ReserveKeypair; + denom: DenominationRecord; + exchangeBaseUrl: string; +}): Promise { + const { http, cryptoApi, reserveKeyPair, denom, exchangeBaseUrl } = args; + const planchet = await cryptoApi.createPlanchet({ + coinIndex: 0, + denomPub: denom.denomPub, + feeWithdraw: denom.feeWithdraw, + reservePriv: reserveKeyPair.reservePriv, + reservePub: reserveKeyPair.reservePub, + secretSeed: encodeCrock(getRandomBytes(32)), + value: denom.value, + }); + + const reqBody: ExchangeWithdrawRequest = { + denom_pub_hash: planchet.denomPubHash, + reserve_sig: planchet.withdrawSig, + coin_ev: planchet.coinEv, + }; + const reqUrl = new URL( + `reserves/${planchet.reservePub}/withdraw`, + exchangeBaseUrl, + ).href; + + const resp = await http.postJson(reqUrl, reqBody); + const r = await readSuccessResponseJsonOrThrow( + resp, + codecForWithdrawResponse(), + ); + + const ubSig = await cryptoApi.unblindDenominationSignature({ + planchet, + evSig: r.ev_sig, + }); + + return { + coinPriv: planchet.coinPriv, + coinPub: planchet.coinPub, + denomSig: ubSig, + denomPub: denom.denomPub, + denomPubHash: denom.denomPubHash, + feeDeposit: Amounts.stringify(denom.feeDeposit), + feeRefresh: Amounts.stringify(denom.feeRefresh), + exchangeBaseUrl: args.exchangeBaseUrl, + }; +} + +function findDenomOrThrow( + exchangeInfo: ExchangeInfo, + amount: AmountString, +): DenominationRecord { + for (const d of exchangeInfo.keys.currentDenominations) { + if (Amounts.cmp(d.value, amount) === 0 && isWithdrawableDenom(d)) { + return d; + } + } + throw new Error("no matching denomination found"); +} + +async function depositCoin(args: { + http: HttpRequestLibrary; + cryptoApi: CryptoApi; + exchangeBaseUrl: string; + coin: CoinInfo; + amount: AmountString; +}) { + const { coin, http, cryptoApi } = args; + const depositPayto = "payto://x-taler-bank/localhost/foo"; + const wireSalt = encodeCrock(getRandomBytes(16)); + const contractTermsHash = encodeCrock(getRandomBytes(64)); + const depositTimestamp = getTimestampNow(); + const refundDeadline = getTimestampNow(); + const merchantPub = encodeCrock(getRandomBytes(32)); + const dp = await cryptoApi.signDepositPermission({ + coinPriv: coin.coinPriv, + coinPub: coin.coinPub, + contractTermsHash, + denomKeyType: coin.denomPub.cipher, + denomPubHash: coin.denomPubHash, + denomSig: coin.denomSig, + exchangeBaseUrl: args.exchangeBaseUrl, + feeDeposit: Amounts.parseOrThrow(coin.feeDeposit), + merchantPub, + spendAmount: Amounts.parseOrThrow(args.amount), + timestamp: depositTimestamp, + refundDeadline: refundDeadline, + wireInfoHash: hashWire(depositPayto, wireSalt), + }); + const requestBody = { + contribution: Amounts.stringify(dp.contribution), + merchant_payto_uri: depositPayto, + wire_salt: wireSalt, + h_contract_terms: contractTermsHash, + ub_sig: coin.denomSig, + timestamp: depositTimestamp, + wire_transfer_deadline: getTimestampNow(), + refund_deadline: refundDeadline, + coin_sig: dp.coin_sig, + denom_pub_hash: dp.h_denom, + merchant_pub: merchantPub, + }; + const url = new URL(`coins/${dp.coin_pub}/deposit`, dp.exchange_url); + const httpResp = await http.postJson(url.href, requestBody); + await readSuccessResponseJsonOrThrow(httpResp, codecForDepositSuccess()); +} + +async function refreshCoin(req: { + http: HttpRequestLibrary; + cryptoApi: CryptoApi; + oldCoin: CoinInfo; + newDenoms: DenominationRecord[]; +}): Promise { + const { cryptoApi, oldCoin, http } = req; + const refreshSessionSeed = encodeCrock(getRandomBytes(32)); + const session = await cryptoApi.deriveRefreshSession({ + exchangeProtocolVersion: ExchangeProtocolVersion.V12, + feeRefresh: Amounts.parseOrThrow(oldCoin.feeRefresh), + kappa: 3, + meltCoinDenomPubHash: oldCoin.denomPubHash, + meltCoinPriv: oldCoin.coinPriv, + meltCoinPub: oldCoin.coinPub, + sessionSecretSeed: refreshSessionSeed, + newCoinDenoms: req.newDenoms.map((x) => ({ + count: 1, + denomPub: x.denomPub, + feeWithdraw: x.feeWithdraw, + value: x.value, + })), + }); + + const meltReqBody: ExchangeMeltRequest = { + coin_pub: oldCoin.coinPub, + confirm_sig: session.confirmSig, + denom_pub_hash: oldCoin.denomPubHash, + denom_sig: oldCoin.denomSig, + rc: session.hash, + value_with_fee: Amounts.stringify(session.meltValueWithFee), + }; + + const reqUrl = new URL( + `coins/${oldCoin.coinPub}/melt`, + oldCoin.exchangeBaseUrl, + ); + + const resp = await http.postJson(reqUrl.href, meltReqBody); + + const meltResponse = await readSuccessResponseJsonOrThrow( + resp, + codecForExchangeMeltResponse(), + ); + + const norevealIndex = meltResponse.noreveal_index; + + +} + +/** + * Run test for basic, bank-integrated withdrawal and payment. + */ +export async function runWalletDblessTest(t: GlobalTestState) { + // Set up test environment + + const { bank, exchange } = await createSimpleTestkudosEnvironment(t); + + const http = new NodeHttpLib(); + const cryptoApi = new CryptoApi(new SynchronousCryptoWorkerFactory()); + + try { + // Withdraw digital cash into the wallet. + + const exchangeInfo = await downloadExchangeInfo(exchange.baseUrl, http); + + const reserveKeyPair = generateReserveKeypair(); + + await topupReserveWithDemobank( + reserveKeyPair.reservePub, + bank.baseUrl, + exchangeInfo, + "TESTKUDOS:10", + ); + + await exchange.runWirewatchOnce(); + + const d1 = findDenomOrThrow(exchangeInfo, "TESTKUDOS:8"); + + const coin = await withdrawCoin({ + http, + cryptoApi, + reserveKeyPair, + denom: d1, + exchangeBaseUrl: exchange.baseUrl, + }); + + await depositCoin({ + amount: "TESTKUDOS:4", + coin: coin, + cryptoApi, + exchangeBaseUrl: exchange.baseUrl, + http, + }); + + const refreshDenoms = [ + findDenomOrThrow(exchangeInfo, "TESTKUDOS:1"), + findDenomOrThrow(exchangeInfo, "TESTKUDOS:1"), + ]; + + const freshCoins = await refreshCoin({ + oldCoin: coin, + cryptoApi, + http, + newDenoms: refreshDenoms, + }); + } catch (e) { + if (e instanceof OperationFailedError) { + console.log(e); + console.log(j2s(e.operationError)); + } else { + console.log(e); + } + throw e; + } +} + +runWalletDblessTest.suites = ["wallet"]; -- cgit v1.2.3