[taler-wallet-core] branch master updated: fix reserve state machine bug, use simpler denominations in revocation test

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dold pushed a commit to branch master
in repository wallet-core.

The following commit(s) were added to refs/heads/master by this push:
     new 6293de7b fix reserve state machine bug, use simpler denominations in 
revocation test
6293de7b is described below

commit 6293de7bfa4d8a52091b251e2333e9710ce1b22a
Author: Florian Dold <florian@dold.me>
AuthorDate: Thu Jan 14 17:24:44 2021 +0100

    fix reserve state machine bug, use simpler denominations in revocation test
---
 .../src/integrationtests/helpers.ts                | 17 ++++--
 .../src/integrationtests/test-revocation.ts        | 21 ++++++-
 .../src/integrationtests/testrunner.ts             |  6 +-
 .../taler-wallet-core/src/operations/recoup.ts     | 10 +++-
 .../taler-wallet-core/src/operations/reserves.ts   | 67 +++++++++++++---------
 5 files changed, 81 insertions(+), 40 deletions(-)

diff --git a/packages/taler-wallet-cli/src/integrationtests/helpers.ts 
b/packages/taler-wallet-cli/src/integrationtests/helpers.ts
index c51c306c..f9051ccc 100644
--- a/packages/taler-wallet-cli/src/integrationtests/helpers.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/helpers.ts
@@ -45,8 +45,11 @@ import {
   ConfirmPayResultType,
   ContractTerms,
 } from "taler-wallet-core";
-import { FaultInjectedExchangeService, FaultInjectedMerchantService } from 
"./faultInjection";
-import { defaultCoinConfig } from "./denomStructures";
+import {
+  FaultInjectedExchangeService,
+  FaultInjectedMerchantService,
+} from "./faultInjection";
+import { CoinConfig, defaultCoinConfig } from "./denomStructures";
 
 export interface SimpleTestEnvironment {
   commonDb: DbInfo;
@@ -63,6 +66,7 @@ export interface SimpleTestEnvironment {
  */
 export async function createSimpleTestkudosEnvironment(
   t: GlobalTestState,
+  coinConfig: CoinConfig[] = defaultCoinConfig.map((x) => x("TESTKUDOS")),
 ): Promise<SimpleTestEnvironment> {
   const db = await setupDb(t);
 
@@ -99,7 +103,7 @@ export async function createSimpleTestkudosEnvironment(
 
   await bank.pingUntilAvailable();
 
-  exchange.addOfferedCoins(defaultCoinConfig);
+  exchange.addCoinConfigList(coinConfig);
 
   await exchange.start();
   await exchange.pingUntilAvailable();
@@ -139,7 +143,7 @@ export interface FaultyMerchantTestEnvironment {
   commonDb: DbInfo;
   bank: BankService;
   exchange: ExchangeService;
-  faultyExchange: FaultInjectedExchangeService,
+  faultyExchange: FaultInjectedExchangeService;
   exchangeBankAccount: ExchangeBankAccount;
   merchant: MerchantService;
   faultyMerchant: FaultInjectedMerchantService;
@@ -185,7 +189,10 @@ export async function 
createFaultInjectedMerchantTestkudosEnvironment(
   );
   exchange.addBankAccount("1", exchangeBankAccount);
 
-  bank.setSuggestedExchange(faultyExchange, 
exchangeBankAccount.accountPaytoUri);
+  bank.setSuggestedExchange(
+    faultyExchange,
+    exchangeBankAccount.accountPaytoUri,
+  );
 
   await bank.start();
 
diff --git a/packages/taler-wallet-cli/src/integrationtests/test-revocation.ts 
b/packages/taler-wallet-cli/src/integrationtests/test-revocation.ts
index 0fcf7a93..de4086df 100644
--- a/packages/taler-wallet-cli/src/integrationtests/test-revocation.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/test-revocation.ts
@@ -17,6 +17,7 @@
 /**
  * Imports.
  */
+import { CoinConfig } from "./denomStructures";
 import {
   GlobalTestState,
   ExchangeService,
@@ -28,7 +29,6 @@ import {
   withdrawViaBank,
   makeTestPayment,
 } from "./helpers";
-import { CoinDumpJson } from "taler-wallet-core";
 
 async function revokeAllWalletCoins(req: {
   wallet: WalletCli;
@@ -45,7 +45,9 @@ async function revokeAllWalletCoins(req: {
   for (const x of usedDenomHashes.values()) {
     await exchange.revokeDenomination(x);
   }
-
+  await exchange.stop();
+  await exchange.start();
+  await exchange.pingUntilAvailable();
   await exchange.keyup();
   await exchange.pingUntilAvailable();
   await merchant.stop();
@@ -59,12 +61,25 @@ async function revokeAllWalletCoins(req: {
 export async function runRevocationTest(t: GlobalTestState) {
   // Set up test environment
 
+  const coin_u1: CoinConfig = {
+    durationLegal: "3 years",
+    durationSpend: "2 years",
+    durationWithdraw: "7 days",
+    rsaKeySize: 1024,
+    name: `$TESTKUDOS_u1`,
+    value: `TESTKUDOS:1`,
+    feeDeposit: `TESTKUDOS:0`,
+    feeRefresh: `TESTKUDOS:0`,
+    feeRefund: `TESTKUDOS:0`,
+    feeWithdraw: `TESTKUDOS:0`,
+  };
+
   const {
     wallet,
     bank,
     exchange,
     merchant,
-  } = await createSimpleTestkudosEnvironment(t);
+  } = await createSimpleTestkudosEnvironment(t, [coin_u1]);
 
   // Withdraw digital cash into the wallet.
 
diff --git a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts 
b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
index fbc25168..2acec062 100644
--- a/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
+++ b/packages/taler-wallet-cli/src/integrationtests/testrunner.ts
@@ -170,7 +170,7 @@ export async function runTests(spec: TestRunSpec) {
       testRootDir,
     };
 
-    currentChild = child_process.fork(__filename, {
+    currentChild = child_process.fork(__filename, ["__TWCLI_TESTWORKER"], {
       env: {
         TWCLI_RUN_TEST_INSTRUCTION: JSON.stringify(testInstr),
         ...process.env,
@@ -251,9 +251,9 @@ export function getTestInfo(): TestInfo[] {
 }
 
 const runTestInstrStr = process.env["TWCLI_RUN_TEST_INSTRUCTION"];
-if (runTestInstrStr) {
+if (runTestInstrStr && process.argv.includes("__TWCLI_TESTWORKER")) {
   // Test will call taler-wallet-cli, so we must not propagate this variable.
-  delete process.env["TWCLI_RUN_TEST_NAME"];
+  delete process.env["TWCLI_RUN_TEST_INSTRUCTION"];
   const { testRootDir, testName } = JSON.parse(
     runTestInstrStr,
   ) as RunTestChildInstruction;
diff --git a/packages/taler-wallet-core/src/operations/recoup.ts 
b/packages/taler-wallet-core/src/operations/recoup.ts
index 7bbac8a9..f6b29536 100644
--- a/packages/taler-wallet-core/src/operations/recoup.ts
+++ b/packages/taler-wallet-core/src/operations/recoup.ts
@@ -83,6 +83,9 @@ async function putGroupAsFinished(
   recoupGroup: RecoupGroupRecord,
   coinIdx: number,
 ): Promise<void> {
+  logger.trace(
+    `setting coin ${coinIdx} of ${recoupGroup.coinPubs.length} as finished`,
+  );
   if (recoupGroup.timestampFinished) {
     return;
   }
@@ -94,6 +97,7 @@ async function putGroupAsFinished(
     }
   }
   if (allFinished) {
+    logger.trace("all recoups of recoup group are finished");
     recoupGroup.timestampFinished = getTimestampNow();
     recoupGroup.retryInfo = initRetryInfo(false);
     recoupGroup.lastError = undefined;
@@ -230,7 +234,7 @@ async function recoupRefreshCoin(
 
   const recoupRequest = await ws.cryptoApi.createRecoupRequest(coin);
   const reqUrl = new URL(`/coins/${coin.coinPub}/recoup`, 
coin.exchangeBaseUrl);
-  logger.trace("making recoup request");
+  logger.trace(`making recoup request for ${coin.coinPub}`);
 
   const resp = await ws.http.postJson(reqUrl.href, recoupRequest);
   const recoupConfirmation = await readSuccessResponseJsonOrThrow(
@@ -244,12 +248,14 @@ async function recoupRefreshCoin(
 
   const exchange = await ws.db.get(Stores.exchanges, coin.exchangeBaseUrl);
   if (!exchange) {
+    logger.warn("exchange for recoup does not exist anymore");
     // FIXME: report inconsistency?
     return;
   }
   const exchangeDetails = exchange.details;
   if (!exchangeDetails) {
     // FIXME: report inconsistency?
+    logger.warn("exchange details for recoup not found");
     return;
   }
 
@@ -272,9 +278,11 @@ async function recoupRefreshCoin(
       const oldCoin = await tx.get(Stores.coins, cs.oldCoinPub);
       const revokedCoin = await tx.get(Stores.coins, coin.coinPub);
       if (!revokedCoin) {
+        logger.warn("revoked coin for recoup not found");
         return;
       }
       if (!oldCoin) {
+        logger.warn("refresh old coin for recoup not found");
         return;
       }
       revokedCoin.status = CoinStatus.Dormant;
diff --git a/packages/taler-wallet-core/src/operations/reserves.ts 
b/packages/taler-wallet-core/src/operations/reserves.ts
index 4e4db1fc..7c878668 100644
--- a/packages/taler-wallet-core/src/operations/reserves.ts
+++ b/packages/taler-wallet-core/src/operations/reserves.ts
@@ -604,37 +604,50 @@ async function updateReserve(
         denoms,
       );
 
-      if (denomSelInfo.selectedDenoms.length > 0) {
-        let withdrawalGroupId: string;
-
-        if (!newReserve.initialWithdrawalStarted) {
-          withdrawalGroupId = newReserve.initialWithdrawalGroupId;
-          newReserve.initialWithdrawalStarted = true;
-        } else {
-          withdrawalGroupId = encodeCrock(randomBytes(32));
-        }
-
-        const withdrawalRecord: WithdrawalGroupRecord = {
-          withdrawalGroupId: withdrawalGroupId,
-          exchangeBaseUrl: reserve.exchangeBaseUrl,
-          reservePub: reserve.reservePub,
-          rawWithdrawalAmount: remainingAmount,
-          timestampStart: getTimestampNow(),
-          retryInfo: initRetryInfo(),
-          lastError: undefined,
-          denomsSel: denomSelectionInfoToState(denomSelInfo),
-          secretSeed: encodeCrock(getRandomBytes(64)),
-        };
+      logger.trace(
+        `Remaining unclaimed amount in reseve is ${Amounts.stringify(
+          remainingAmount,
+        )} and can be withdrawn with ${
+          denomSelInfo.selectedDenoms.length
+        } coins`,
+      );
 
+      if (denomSelInfo.selectedDenoms.length === 0) {
+        newReserve.reserveStatus = ReserveRecordStatus.DORMANT;
         newReserve.lastError = undefined;
         newReserve.retryInfo = initRetryInfo(false);
-        newReserve.reserveStatus = ReserveRecordStatus.DORMANT;
-
         await tx.put(Stores.reserves, newReserve);
-        await tx.put(Stores.withdrawalGroups, withdrawalRecord);
-        return withdrawalRecord;
+        return;
       }
-      return;
+
+      let withdrawalGroupId: string;
+
+      if (!newReserve.initialWithdrawalStarted) {
+        withdrawalGroupId = newReserve.initialWithdrawalGroupId;
+        newReserve.initialWithdrawalStarted = true;
+      } else {
+        withdrawalGroupId = encodeCrock(randomBytes(32));
+      }
+
+      const withdrawalRecord: WithdrawalGroupRecord = {
+        withdrawalGroupId: withdrawalGroupId,
+        exchangeBaseUrl: reserve.exchangeBaseUrl,
+        reservePub: reserve.reservePub,
+        rawWithdrawalAmount: remainingAmount,
+        timestampStart: getTimestampNow(),
+        retryInfo: initRetryInfo(),
+        lastError: undefined,
+        denomsSel: denomSelectionInfoToState(denomSelInfo),
+        secretSeed: encodeCrock(getRandomBytes(64)),
+      };
+
+      newReserve.lastError = undefined;
+      newReserve.retryInfo = initRetryInfo(false);
+      newReserve.reserveStatus = ReserveRecordStatus.DORMANT;
+
+      await tx.put(Stores.reserves, newReserve);
+      await tx.put(Stores.withdrawalGroups, withdrawalRecord);
+      return withdrawalRecord;
     },
   );
 
@@ -645,8 +658,6 @@ async function updateReserve(
       withdrawalGroupId: newWithdrawalGroup.withdrawalGroupId,
     });
     await processWithdrawGroup(ws, newWithdrawalGroup.withdrawalGroupId);
-  } else {
-    console.trace("withdraw session already existed");
   }
 
   return { ready: true };

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