code: func (api *PrivateDebugAPI) StandardTraceBlockToFile(ctx context.Context, hash common.Hash, config *StdTraceConfig) ([]string, error) {
  	block := api.eth.blockchain.GetBlockByHash(hash)
  	if block == nil {
  		return nil, fmt.Errorf("block %#x not found", hash)
  	}
  	return api.standardTraceBlockToFile(ctx, block, config)
  }
docs: // StandardTraceBlockToFile dumps the structured logs created during the
  // execution of EVM to the local file system and returns a list of files
  // to the caller.