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| -rw-r--r-- | packages/0x.js/src/order_watcher/event_watcher.ts | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/packages/0x.js/src/order_watcher/event_watcher.ts b/packages/0x.js/src/order_watcher/event_watcher.ts index 43a60957b..5d05bfb60 100644 --- a/packages/0x.js/src/order_watcher/event_watcher.ts +++ b/packages/0x.js/src/order_watcher/event_watcher.ts @@ -51,6 +51,10 @@ export class EventWatcher { } private async _pollForBlockchainEventsAsync(callback: EventWatcherCallback): Promise<void> { const pendingEvents = await this._getEventsAsync(); + if (_.isUndefined(pendingEvents)) { + // HACK: This should never happen, but happens frequently on CI due to a ganache bug + return; + } if (pendingEvents.length === 0) { // HACK: Sometimes when node rebuilds the pending block we get back the empty result. // We don't want to emit a lot of removal events and bring them back after a couple of miliseconds, |