WIP: Debugging

Author: adamfraser

indexer/services/roundtable/src/tasks/cache-orderbook-mid-prices.ts

@@ -21,6 +21,10 @@ export default async function runTask(): Promise<void> {
       (market: PerpetualMarketFromDatabase) => market.ticker,
     );
 
+    if (perpetualMarketRefresher === null || perpetualMarketRefresher === undefined) {
+      throw new Error('perpetualMarketRefresher is null');
+    }
+
     if (marketTickers.length === 0) {
       throw new Error('perpetualMarketRefresher is empty');
     }