Fix race-condition bug

0xProject · Apr 23, 2019 · 8d3ccf3 · 8d3ccf3
1 parent 600b86d
commit 8d3ccf3
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/packages/order-watcher/src/order_watcher/order_watcher.ts b/packages/order-watcher/src/order_watcher/order_watcher.ts
@@ -493,6 +493,9 @@ export class OrderWatcher {
     private async _emitRevalidateOrdersAsync(orderHashes: string[], transactionHash?: string): Promise<void> {
         for (const orderHash of orderHashes) {
             const signedOrder = this._orderByOrderHash[orderHash];
+            if (signedOrder === undefined) {
+                continue;
+            }
             // Most of these calls will never reach the network because the data is fetched from stores
             // and only updated when cache is invalidated
             const orderState = await this._orderStateUtils.getOpenOrderStateAsync(signedOrder, transactionHash);