message: omit awaiting for both delete and add indexing -- since promises are chained, no guarantee that the delete indexing promise is only the delete and not a leftover chained add
diff: @@ -136,8 +136,8 @@ class TransactionIndexer {
  let deletedAddresses = difference(addresses, await this.getTrackedAddresses());
  if (deletedAddresses.length) {
  - // unlike the "add" case above, this should be pretty quick, so it is ok to await
  - await this.index({ stopIndexingAddresses: deletedAddresses });
  + // intentionally not awaiting (indexing could take awhile), make sure to use TransactionIndexer._indexingPromise in the tests so async doesn't leak
  + this.index({ stopIndexingAddresses: deletedAddresses });
  }
  });
  }
  