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-rw-r--r--extension/lib/wallet/query.ts4
1 files changed, 4 insertions, 0 deletions
diff --git a/extension/lib/wallet/query.ts b/extension/lib/wallet/query.ts
index 82053138f..b82c85189 100644
--- a/extension/lib/wallet/query.ts
+++ b/extension/lib/wallet/query.ts
@@ -268,6 +268,10 @@ class QueryRoot {
* Get one object from a store by its key.
*/
get(storeName, key): Promise<any> {
+ if (key === void 0) {
+ throw Error("key must not be undefined");
+ }
+
const {resolve, promise} = openPromise();
const doGet = (tx) => {