text: # MIT License
  #
  # Copyright (c) 2018 Evgeny Medvedev, evge.medvedev@gmail.com
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  
  import click
  
  from polygonetl.jobs.export_blocks_job import ExportBlocksJob
  from polygonetl.jobs.exporters.blocks_and_transactions_item_exporter import blocks_and_transactions_item_exporter
  from blockchainetl_common.logging_utils import logging_basic_config
  from polygonetl.providers.auto import get_provider_from_uri
  from polygonetl.thread_local_proxy import ThreadLocalProxy
  
  logging_basic_config()
  
  
  @click.command(context_settings=dict(help_option_names=['-h', '--help']))
  @click.option('-s', '--start-block', default=0, show_default=True, type=int, help='Start block')
  @click.option('-e', '--end-block', required=True, type=int, help='End block')
  @click.option('-b', '--batch-size', default=100, show_default=True, type=int, help='The number of blocks to export at a time.')
  @click.option('-p', '--provider-uri', default='https://mainnet.infura.io', show_default=True, type=str,
                help='The URI of the web3 provider e.g. '
                     'file://$HOME/Library/Bor/geth.ipc or https://mainnet.infura.io')
  @click.option('-w', '--max-workers', default=5, show_default=True, type=int, help='The maximum number of workers.')
  @click.option('--blocks-output', default=None, show_default=True, type=str,
                help='The output file for blocks. If not provided blocks will not be exported. Use "-" for stdout')
  @click.option('--transactions-output', default=None, show_default=True, type=str,
                help='The output file for transactions. '
                     'If not provided transactions will not be exported. Use "-" for stdout')
  @click.option('-c', '--chain', default='polygon', show_default=True, type=str, help='The chain network to connect to.')
  def export_blocks_and_transactions(start_block, end_block, batch_size, provider_uri, max_workers, blocks_output,
                                     transactions_output, chain='polygon'):
      """Exports blocks and transactions."""
      if blocks_output is None and transactions_output is None:
          raise ValueError('Either --blocks-output or --transactions-output options must be provided')
  
      job = ExportBlocksJob(
          start_block=start_block,
          end_block=end_block,
          batch_size=batch_size,
          batch_web3_provider=ThreadLocalProxy(lambda: get_provider_from_uri(provider_uri, batch=True)),
          max_workers=max_workers,
          item_exporter=blocks_and_transactions_item_exporter(blocks_output, transactions_output),
          export_blocks=blocks_output is not None,
          export_transactions=transactions_output is not None)
      job.run()
  