Method updateBlockFetching

packages/node/src/indexer/api.service.ts:239–277

()

  }

  updateBlockFetching(): void {
    const onlyEventHandlers = isOnlyEventHandlers(this.project);
    const skipTransactions =
      this.nodeConfig.skipTransactions && onlyEventHandlers;

    if (this.nodeConfig.skipTransactions) {
      if (onlyEventHandlers) {
        logger.info(
          'skipTransactions is enabled, only events and block headers will be fetched.',
        );
      } else {
        logger.info(
          `skipTransactions is disabled, the project contains handlers that aren't event handlers.`,
        );
      }
    } else {
      if (onlyEventHandlers) {
        logger.warn(
          'skipTransactions is disabled, the project contains only event handlers, it could be enabled to improve indexing performance.',
        );
      } else {
        logger.info(`skipTransactions is disabled.`);
      }
    }

    const fetchFunc = skipTransactions
      ? SubstrateUtil.fetchBlocksBatchesLight
      : SubstrateUtil.fetchBlocksBatches;

    if (this.nodeConfig?.profiler) {
      this._fetchBlocksFunction = profilerWrap(
        fetchFunc,
        'SubstrateUtil',
        'fetchBlocksBatches',
      );
    } else {
      this._fetchBlocksFunction = fetchFunc;
    }
  }

  get api(): ApiPromise {
    return this.unsafeApi;