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https://github.com/blockchain-etl/ethereum-etl.git
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61 lines
3.3 KiB
Python
61 lines
3.3 KiB
Python
# MIT License
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#
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# Copyright (c) 2018 Evgeny Medvedev, evge.medvedev@gmail.com
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import click
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from blockchainetl.file_utils import smart_open
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from ethereumetl.jobs.export_contracts_job import ExportContractsJob
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from ethereumetl.jobs.exporters.contracts_item_exporter import contracts_item_exporter
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from blockchainetl.logging_utils import logging_basic_config
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from ethereumetl.thread_local_proxy import ThreadLocalProxy
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from ethereumetl.providers.auto import get_provider_from_uri
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from ethereumetl.utils import check_classic_provider_uri
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logging_basic_config()
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@click.command(context_settings=dict(help_option_names=['-h', '--help']))
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@click.option('-b', '--batch-size', default=100, show_default=True, type=int, help='The number of blocks to filter at a time.')
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@click.option('-ca', '--contract-addresses', required=True, type=str,
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help='The file containing contract addresses, one per line.')
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@click.option('-o', '--output', default='-', show_default=True, type=str, help='The output file. If not specified stdout is used.')
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@click.option('-w', '--max-workers', default=5, show_default=True, type=int, help='The maximum number of workers.')
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@click.option('-p', '--provider-uri', default='https://mainnet.infura.io', show_default=True, type=str,
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help='The URI of the web3 provider e.g. '
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'file://$HOME/Library/Ethereum/geth.ipc or https://mainnet.infura.io')
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@click.option('-c', '--chain', default='ethereum', show_default=True, type=str, help='The chain network to connect to.')
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def export_contracts(batch_size, contract_addresses, output, max_workers, provider_uri, chain='ethereum'):
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"""Exports contracts bytecode and sighashes."""
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check_classic_provider_uri(chain, provider_uri)
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with smart_open(contract_addresses, 'r') as contract_addresses_file:
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contract_addresses = (contract_address.strip() for contract_address in contract_addresses_file
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if contract_address.strip())
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job = ExportContractsJob(
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contract_addresses_iterable=contract_addresses,
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batch_size=batch_size,
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batch_web3_provider=ThreadLocalProxy(lambda: get_provider_from_uri(provider_uri, batch=True)),
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item_exporter=contracts_item_exporter(output),
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max_workers=max_workers)
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job.run()
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