[taler-wallet-core] branch master updated (b2d0ad57d -> 828e4ad3e)

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

    from b2d0ad57d sqlite3 backend for idb-bridge / wallet-core
     new f9d1c4a89 wallet-core: wake up task loop on tx status changes
     new 8c670bd06 wallet-core: simplify/optimize async condition
     new a748ebd05 harness: remove unused file
     new 828e4ad3e wallet-core: use sqlite for in-memory DB

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Summary of changes:
 .../integrationtests/scenario-prompt-payment.ts    | 59 ----------------------
 packages/taler-wallet-core/src/host-impl.node.ts   |  4 +-
 .../src/operations/transactions.ts                 |  1 +
 .../taler-wallet-core/src/util/promiseUtils.ts     | 24 ++++-----
 4 files changed, 16 insertions(+), 72 deletions(-)
 delete mode 100644 
packages/taler-harness/src/integrationtests/scenario-prompt-payment.ts

diff --git 
a/packages/taler-harness/src/integrationtests/scenario-prompt-payment.ts 
b/packages/taler-harness/src/integrationtests/scenario-prompt-payment.ts
deleted file mode 100644
index 7177a017c..000000000
--- a/packages/taler-harness/src/integrationtests/scenario-prompt-payment.ts
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- 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 <http://www.gnu.org/licenses/>
- */
-
-/**
- * Imports.
- */
-import { GlobalTestState, MerchantPrivateApi } from "../harness/harness.js";
-import {
-  createSimpleTestkudosEnvironment,
-  withdrawViaBank,
-} from "../harness/helpers.js";
-
-/**
- * Run test for basic, bank-integrated withdrawal.
- */
-export async function runPromptPaymentScenario(t: GlobalTestState) {
-  // Set up test environment
-
-  const { wallet, bank, exchange, merchant } =
-    await createSimpleTestkudosEnvironment(t);
-
-  // Withdraw digital cash into the wallet.
-
-  await withdrawViaBank(t, { wallet, bank, exchange, amount: "TESTKUDOS:20" });
-
-  // Set up order.
-
-  const orderResp = await MerchantPrivateApi.createOrder(merchant, "default", {
-    order: {
-      summary: "Buy me!",
-      amount: "TESTKUDOS:5",
-      fulfillment_url: "taler://fulfillment-success/thx",
-    },
-  });
-
-  let orderStatus = await MerchantPrivateApi.queryPrivateOrderStatus(merchant, 
{
-    orderId: orderResp.order_id,
-  });
-
-  t.assertTrue(orderStatus.order_status === "unpaid");
-
-  console.log(orderStatus);
-
-  // Wait "forever"
-  await new Promise(() => {});
-}
diff --git a/packages/taler-wallet-core/src/host-impl.node.ts 
b/packages/taler-wallet-core/src/host-impl.node.ts
index ceda7243f..6a4f21d79 100644
--- a/packages/taler-wallet-core/src/host-impl.node.ts
+++ b/packages/taler-wallet-core/src/host-impl.node.ts
@@ -148,9 +148,11 @@ export async function createNativeWalletHost2(
 
   let dbResp: MakeDbResult;
 
-  if (!args.persistentStoragePath || 
args.persistentStoragePath.endsWith(".json")) {
+  if (args.persistentStoragePath 
&&args.persistentStoragePath.endsWith(".json")) {
+    logger.info("using legacy file-based DB backend");
     dbResp = await makeFileDb(args);
   } else {
+    logger.info("using sqlite3 DB backend");
     dbResp = await makeSqliteDb(args);
   }
 
diff --git a/packages/taler-wallet-core/src/operations/transactions.ts 
b/packages/taler-wallet-core/src/operations/transactions.ts
index af04cb161..7f5302b25 100644
--- a/packages/taler-wallet-core/src/operations/transactions.ts
+++ b/packages/taler-wallet-core/src/operations/transactions.ts
@@ -1916,4 +1916,5 @@ export function notifyTransition(
       transactionId,
     });
   }
+  ws.workAvailable.trigger();
 }
diff --git a/packages/taler-wallet-core/src/util/promiseUtils.ts 
b/packages/taler-wallet-core/src/util/promiseUtils.ts
index d409686d9..23f1c06a5 100644
--- a/packages/taler-wallet-core/src/util/promiseUtils.ts
+++ b/packages/taler-wallet-core/src/util/promiseUtils.ts
@@ -23,6 +23,8 @@ export interface OpenedPromise<T> {
 /**
  * Get an unresolved promise together with its extracted resolve / reject
  * function.
+ *
+ * Recent ECMAScript proposals also call this a promise capability.
  */
 export function openPromise<T>(): OpenedPromise<T> {
   let resolve: ((x?: any) => void) | null = null;
@@ -39,22 +41,20 @@ export function openPromise<T>(): OpenedPromise<T> {
 }
 
 export class AsyncCondition {
-  private _waitPromise: Promise<void>;
-  private _resolveWaitPromise: (val: void) => void;
-  constructor() {
-    const op = openPromise<void>();
-    this._waitPromise = op.promise;
-    this._resolveWaitPromise = op.resolve;
-  }
+  private promCap?: OpenedPromise<void> = undefined;
+  constructor() {}
 
   wait(): Promise<void> {
-    return this._waitPromise;
+    if (!this.promCap) {
+      this.promCap = openPromise<void>();
+    }
+    return this.promCap.promise;
   }
 
   trigger(): void {
-    this._resolveWaitPromise();
-    const op = openPromise<void>();
-    this._waitPromise = op.promise;
-    this._resolveWaitPromise = op.resolve;
+    if (this.promCap) {
+      this.promCap.resolve();
+    }
+    this.promCap = undefined;
   }
 }

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