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50 lines
2.2 KiB
Python
50 lines
2.2 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 argparse
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from datetime import datetime
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from web3 import Web3
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from ethereumetl.file_utils import smart_open
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from ethereumetl.service.eth_service import EthService
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from ethereumetl.web3_utils import get_provider_from_uri
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parser = argparse.ArgumentParser(description='Outputs the start block and end block for a given date.')
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parser.add_argument('-p', '--provider-uri', default=None, type=str,
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help='The URI of the web3 provider e.g. file://$HOME/Library/Ethereum/geth.ipc. or https://mainnet.infura.io/')
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parser.add_argument('-o', '--output', default='-', type=str, help='The output file. If not specified stdout is used.')
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parser.add_argument('-d', '--date', required=True, type=lambda d: datetime.strptime(d, '%Y-%m-%d'),
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help='The date e.g. 2018-01-01.')
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args = parser.parse_args()
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provider = get_provider_from_uri(args.provider_uri)
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web3 = Web3(provider)
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eth_service = EthService(web3)
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start_block, end_block = eth_service.get_block_range_for_date(args.date)
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with smart_open(args.output, 'w') as output_file:
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output_file.write('{},{}'.format(start_block, end_block))
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