mirror of
git://holbrook.no/eth-address-index
synced 2024-11-20 16:06:46 +01:00
86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
"""View address declaration, and attempt to resolve contents
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
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.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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"""
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# standard imports
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import urllib
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import os
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import json
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import argparse
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import logging
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# third-party imports
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import web3
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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logging.getLogger('web3').setLevel(logging.WARNING)
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logging.getLogger('urllib3').setLevel(logging.WARNING)
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script_dir = os.path.dirname(__file__)
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data_dir = os.path.join(script_dir, '..', 'data')
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
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argparser.add_argument('-r', '--contract-address', dest='r', type=str, help='Address declaration contract address')
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argparser.add_argument('-o', '--declarator-address', dest='o', type=str, help='Signing address for the declaration')
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argparser.add_argument('--resolve', action='store_true', help='Attempt to resolve the hashes to actual content')
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argparser.add_argument('--resolve-http', dest='resolve_http', type=str, help='Base url to look up content hashes')
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argparser.add_argument('--abi-dir', dest='abi_dir', type=str, default=data_dir, help='Directory containing bytecode and abi (default: {})'.format(data_dir))
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('address', type=str, help='Ethereum declaration address to look up')
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args = argparser.parse_args()
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if args.v:
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logg.setLevel(logging.DEBUG)
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def try_sha256(s):
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r = urllib.request.urlopen(os.path.join(args.resolve_http, s.hex()))
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return r.read().decode('utf-8')
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def try_utf8(s):
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return s.decode('utf-8')
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def main():
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w3 = web3.Web3(web3.Web3.HTTPProvider(args.p))
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f = open(os.path.join(args.abi_dir, 'AddressDeclarator.json'), 'r')
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abi = json.load(f)
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f.close()
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w3.eth.defaultAccount = w3.eth.accounts[0]
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if args.o != None:
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w3.eth.defaultAccount = args.o
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logg.debug('endorser address {}'.format(w3.eth.defaultAccount))
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c = w3.eth.contract(abi=abi, address=args.r)
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declarations = c.functions.declaration(w3.eth.defaultAccount, args.address).call()
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for d in declarations:
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if not args.resolve:
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print(d.hex())
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continue
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if args.resolve_http:
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try:
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r = try_sha256(d)
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print(r)
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continue
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except urllib.error.HTTPError:
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pass
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try:
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print(try_utf8(d))
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except UnicodeDecodeError:
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pass
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if __name__ == '__main__':
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main()
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