v0.10.1

Stop the error from propagating to the txn error handler and
aborting the rest of the transaction.

CHANGELOG.md

@@ -1,6 +1,24 @@
+Changes in [0.10.1](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v0.10.1) (2018-04-12)
+==================================================================================================
+[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.10.0...v0.10.1)
+
+ * Log IDB errors
+   [\#638](https://github.com/matrix-org/matrix-js-sdk/pull/638)
+ * Ignore inserts of duplicate inbound group sessions
+   [\#639](https://github.com/matrix-org/matrix-js-sdk/pull/639)
+ * Ignore inserts of dup inbound group sessions, pt 2
+   [\#641](https://github.com/matrix-org/matrix-js-sdk/pull/641)
+
+Changes in [0.10.0](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v0.10.0) (2018-04-11)
+==================================================================================================
+[Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.10.0-rc.2...v0.10.0)
+
+ * No changes
+
 Changes in [0.10.0-rc.2](https://github.com/matrix-org/matrix-js-sdk/releases/tag/v0.10.0-rc.2) (2018-04-09)
 ============================================================================================================
 [Full Changelog](https://github.com/matrix-org/matrix-js-sdk/compare/v0.10.0-rc.1...v0.10.0-rc.2)
+
  * Add wrapper for group join API
  * Add wrapped API to set group join\_policy
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "matrix-js-sdk",
-  "version": "0.10.0-rc.2",
+  "version": "0.10.1",
   "description": "Matrix Client-Server SDK for Javascript",
   "main": "index.js",
   "scripts": {

src/crypto/store/indexeddb-crypto-store-backend.js

@@ -394,10 +394,21 @@ export class Backend {
         const addReq = objectStore.add({
             senderCurve25519Key, sessionId, session: sessionData,
         });
-        addReq.onerror = () => {
-            abortWithException(txn, new Error(
-                "Failed to add inbound group session - session may already exist",
-            ));
+        addReq.onerror = (ev) => {
+            if (addReq.error.name === 'ConstraintError') {
+                // This stops the error from triggering the txn's onerror
+                ev.stopPropagation();
+                // ...and this stops it from aborting the transaction
+                ev.preventDefault();
+                console.log(
+                    "Ignoring duplicate inbound group session: " +
+                    senderCurve25519Key + " / " + sessionId,
+                );
+            } else {
+                abortWithException(txn, new Error(
+                    "Failed to add inbound group session: " + addReq.error,
+                ));
+            }
         };
     }