[taler-wallet-core] 01/05: improve error reporting

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

commit f797f16e2f5b6ccfa5b1301becc07302ab2131a2
Author: Florian Dold <address@hidden>
AuthorDate: Thu Nov 21 10:43:40 2019 +0100

    improve error reporting
---
 packages/idb-bridge/package.json         |  2 +-
 packages/idb-bridge/src/MemoryBackend.ts | 27 ++++++++++++++++++++++-----
 packages/idb-bridge/src/util/errors.ts   | 10 ++++++++++
 3 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/packages/idb-bridge/package.json b/packages/idb-bridge/package.json
index 7ac39726..3010f1f0 100644
--- a/packages/idb-bridge/package.json
+++ b/packages/idb-bridge/package.json
@@ -1,6 +1,6 @@
 {
   "name": "idb-bridge",
-  "version": "0.0.11",
+  "version": "0.0.12",
   "description": "IndexedDB implementation that uses SQLite3 as storage",
   "main": "./build/index.js",
   "types": "./build/index.d.ts",
diff --git a/packages/idb-bridge/src/MemoryBackend.ts 
b/packages/idb-bridge/src/MemoryBackend.ts
index bb13a022..b19c25cf 100644
--- a/packages/idb-bridge/src/MemoryBackend.ts
+++ b/packages/idb-bridge/src/MemoryBackend.ts
@@ -32,6 +32,7 @@ import {
   InvalidStateError,
   InvalidAccessError,
   ConstraintError,
+  DataError,
 } from "./util/errors";
 import BTree, { ISortedMapF } from "./tree/b+tree";
 import compareKeys from "./util/cmp";
@@ -1386,11 +1387,27 @@ export class MemoryBackend implements Backend {
       );
     }
     let indexData = index.modifiedData || index.originalData;
-    const indexKeys = getIndexKeys(
-      value,
-      indexProperties.keyPath,
-      indexProperties.multiEntry,
-    );
+    let indexKeys;
+    try {
+      indexKeys = getIndexKeys(
+        value,
+        indexProperties.keyPath,
+        indexProperties.multiEntry,
+      );
+    } catch (e) {
+      if (e instanceof DataError) {
+        const n = index.modifiedName || index.originalName;
+        const p = JSON.stringify(indexProperties.keyPath);
+        const m = `Failed to extract index keys from index ${n} for keyPath 
${p}.`;
+        if (this.enableTracing) {
+          console.error(m);
+          console.error("value was", value);
+        }
+        throw new DataError(m);
+      } else {
+        throw e;
+      }
+    }
     for (const indexKey of indexKeys) {
       const existingRecord = indexData.get(indexKey);
       if (existingRecord) {
diff --git a/packages/idb-bridge/src/util/errors.ts 
b/packages/idb-bridge/src/util/errors.ts
index bbf9498c..92de2ea9 100644
--- a/packages/idb-bridge/src/util/errors.ts
+++ b/packages/idb-bridge/src/util/errors.ts
@@ -42,6 +42,7 @@ const messages = {
 export class AbortError extends Error {
     constructor(message = messages.AbortError) {
         super();
+        Object.setPrototypeOf(this, ConstraintError.prototype);
         this.name = "AbortError";
         this.message = message;
     }
@@ -50,6 +51,7 @@ export class AbortError extends Error {
 export class ConstraintError extends Error {
     constructor(message = messages.ConstraintError) {
         super();
+        Object.setPrototypeOf(this, ConstraintError.prototype);
         this.name = "ConstraintError";
         this.message = message;
     }
@@ -58,6 +60,7 @@ export class ConstraintError extends Error {
 export class DataCloneError extends Error {
     constructor(message = messages.DataCloneError) {
         super();
+        Object.setPrototypeOf(this, DataCloneError.prototype);
         this.name = "DataCloneError";
         this.message = message;
     }
@@ -66,6 +69,7 @@ export class DataCloneError extends Error {
 export class DataError extends Error {
     constructor(message = messages.DataError) {
         super();
+        Object.setPrototypeOf(this, DataError.prototype);
         this.name = "DataError";
         this.message = message;
     }
@@ -74,6 +78,7 @@ export class DataError extends Error {
 export class InvalidAccessError extends Error {
     constructor(message = messages.InvalidAccessError) {
         super();
+        Object.setPrototypeOf(this, InvalidAccessError.prototype);
         this.name = "InvalidAccessError";
         this.message = message;
     }
@@ -82,6 +87,7 @@ export class InvalidAccessError extends Error {
 export class InvalidStateError extends Error {
     constructor(message = messages.InvalidStateError) {
         super();
+        Object.setPrototypeOf(this, InvalidStateError.prototype);
         this.name = "InvalidStateError";
         this.message = message;
     }
@@ -90,6 +96,7 @@ export class InvalidStateError extends Error {
 export class NotFoundError extends Error {
     constructor(message = messages.NotFoundError) {
         super();
+        Object.setPrototypeOf(this, NotFoundError.prototype);
         this.name = "NotFoundError";
         this.message = message;
     }
@@ -98,6 +105,7 @@ export class NotFoundError extends Error {
 export class ReadOnlyError extends Error {
     constructor(message = messages.ReadOnlyError) {
         super();
+        Object.setPrototypeOf(this, ReadOnlyError.prototype);
         this.name = "ReadOnlyError";
         this.message = message;
     }
@@ -106,6 +114,7 @@ export class ReadOnlyError extends Error {
 export class TransactionInactiveError extends Error {
     constructor(message = messages.TransactionInactiveError) {
         super();
+        Object.setPrototypeOf(this, TransactionInactiveError.prototype);
         this.name = "TransactionInactiveError";
         this.message = message;
     }
@@ -114,6 +123,7 @@ export class TransactionInactiveError extends Error {
 export class VersionError extends Error {
     constructor(message = messages.VersionError) {
         super();
+        Object.setPrototypeOf(this, VersionError.prototype);
         this.name = "VersionError";
         this.message = message;
     }

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