add more info when wallet-core is not available

5 files changed, 35 insertions, 13 deletions

diff --git a/packages/taler-wallet-core/src/db.ts b/packages/taler-wallet-core/src/db.ts
index b0605cb1d..705df48b1 100644
--- a/packages/taler-wallet-core/src/db.ts
+++ b/packages/taler-wallet-core/src/db.ts
@@ -3012,8 +3012,10 @@ function upgradeFromStoreMap(
           });
         } catch (e) {
           const moreInfo = e instanceof Error ? ` Reason: ${e.message}` : "";
-          throw Error(
+          throw new Error(
             `Migration failed. Could not create store ${swi.storeName}.${moreInfo}`,
+            // @ts-expect-error no support for options.cause yet
+            { cause: e },
           );
         }
       }
@@ -3040,6 +3042,8 @@ function upgradeFromStoreMap(
           const moreInfo = e instanceof Error ? ` Reason: ${e.message}` : "";
           throw Error(
             `Migration failed. Could not create index ${indexDesc.name}/${indexDesc.keyPath}. ${moreInfo}`,
+            // @ts-expect-error no support for options.cause yet
+            { cause: e },
           );
         }
       }
diff --git a/packages/taler-wallet-core/src/host-impl.node.ts b/packages/taler-wallet-core/src/host-impl.node.ts
index fefee1067..622ea742e 100644
--- a/packages/taler-wallet-core/src/host-impl.node.ts
+++ b/packages/taler-wallet-core/src/host-impl.node.ts
@@ -68,7 +68,11 @@ async function makeFileDb(
         logger.trace("wallet file doesn't exist yet");
       } else {
         logger.error("could not open wallet database file");
-        throw e;
+        throw Error(
+          "could not open wallet database file",
+          // @ts-expect-error no support for options.cause yet
+          { cause: e },
+        );
       }
     }
 
diff --git a/packages/taler-wallet-core/src/operations/withdraw.ts b/packages/taler-wallet-core/src/operations/withdraw.ts
index d664a6da6..86f05478a 100644
--- a/packages/taler-wallet-core/src/operations/withdraw.ts
+++ b/packages/taler-wallet-core/src/operations/withdraw.ts
@@ -2116,7 +2116,7 @@ async function registerReserveWithBank(
   if (
     withdrawalGroup.wgInfo.withdrawalType != WithdrawalRecordType.BankIntegrated
   ) {
-    throw Error();
+    throw Error("expecting withdrarwal type = bank integrated");
   }
   const bankInfo = withdrawalGroup.wgInfo.bankInfo;
   if (!bankInfo) {
diff --git a/packages/taler-wallet-core/src/util/promiseUtils.ts b/packages/taler-wallet-core/src/util/promiseUtils.ts
index df4cc343b..d152a12f4 100644
--- a/packages/taler-wallet-core/src/util/promiseUtils.ts
+++ b/packages/taler-wallet-core/src/util/promiseUtils.ts
@@ -23,6 +23,7 @@ export interface OpenedPromise<T> {
   promise: Promise<T>;
   resolve: (val: T) => void;
   reject: (err: any) => void;
+  lastError?: any;
 }
 
 /**
@@ -33,16 +34,22 @@ export interface OpenedPromise<T> {
  */
 export function openPromise<T>(): OpenedPromise<T> {
   let resolve: ((x?: any) => void) | null = null;
-  let reject: ((reason?: any) => void) | null = null;
+  let promiseReject: ((reason?: any) => void) | null = null;
   const promise = new Promise<T>((res, rej) => {
     resolve = res;
-    reject = rej;
+    promiseReject = rej;
   });
-  if (!(resolve && reject)) {
+  if (!(resolve && promiseReject)) {
     // Never happens, unless JS implementation is broken
-    throw Error();
+    throw Error("JS implementation is broken");
   }
-  return { resolve, reject, promise };
+  const result: OpenedPromise<T> = { resolve, reject: promiseReject, promise };
+  function saveLastError(reason?: any) {
+    result.lastError = reason;
+    promiseReject!(reason);
+  }
+  result.reject = saveLastError;
+  return result;
 }
 
 export class AsyncCondition {
diff --git a/packages/taler-wallet-core/src/util/query.ts b/packages/taler-wallet-core/src/util/query.ts
index efb1a3f42..8274e252b 100644
--- a/packages/taler-wallet-core/src/util/query.ts
+++ b/packages/taler-wallet-core/src/util/query.ts
@@ -34,6 +34,7 @@ import {
   IDBCursor,
   IDBKeyPath,
   IDBKeyRange,
+  IDBOpenDBRequest,
 } from "@gnu-taler/idb-bridge";
 import { Codec, Logger, j2s } from "@gnu-taler/taler-util";
 
@@ -250,9 +251,9 @@ export function openDatabase(
 ): Promise<IDBDatabase> {
   return new Promise<IDBDatabase>((resolve, reject) => {
     const req = idbFactory.open(databaseName, databaseVersion);
-    req.onerror = (e) => {
-      logger.error("database error", e);
-      reject(new Error("database error"));
+    req.onerror = (event) => {
+      // @ts-expect-error
+      reject(new Error(`database opening error`, { cause: req.error }));
     };
     req.onsuccess = (e) => {
       req.result.onversionchange = (evt: IDBVersionChangeEvent) => {
@@ -268,11 +269,17 @@ export function openDatabase(
       const db = req.result;
       const newVersion = e.newVersion;
       if (!newVersion) {
-        throw Error("upgrade needed, but new version unknown");
+        // @ts-expect-error
+        throw Error("upgrade needed, but new version unknown", {
+          cause: req.error,
+        });
       }
       const transaction = req.transaction;
       if (!transaction) {
-        throw Error("no transaction handle available in upgrade handler");
+        // @ts-expect-error
+        throw Error("no transaction handle available in upgrade handler", {
+          cause: req.error,
+        });
       }
       logger.info(
         `handling upgradeneeded event on ${databaseName} from ${e.oldVersion} to ${e.newVersion}`,