eth-address-index/python/eth_token_endorser/runnable/add.py

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2020-12-22 09:32:59 +01:00
"""Adds a new token endorsement
.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
"""
# standard imports
import os
import json
import argparse
import logging
# third-party imports
import web3
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
logging.getLogger('web3').setLevel(logging.WARNING)
logging.getLogger('urllib3').setLevel(logging.WARNING)
script_dir = os.path.dirname(__file__)
data_dir = os.path.join(script_dir, '..', 'data')
argparser = argparse.ArgumentParser()
argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
argparser.add_argument('-a', '--contract-address', dest='a', type=str, help='Token endorsement contract address')
argparser.add_argument('-t', '--token-address', dest='t', type=str, help='Contract address of token to endorse')
argparser.add_argument('-o', '--endorser-address', dest='o', type=str, help='Address to use to sign endorsement transaction')
argparser.add_argument('--abi-dir', dest='abi_dir', type=str, default=data_dir, help='Directory containing bytecode and abi (default: {})'.format(data_dir))
argparser.add_argument('-v', action='store_true', help='Be verbose')
argparser.add_argument('sha256hash', type=str, help='SHA256 sum of endorsement data')
args = argparser.parse_args()
if args.v:
logg.setLevel(logging.DEBUG)
def main():
w3 = web3.Web3(web3.Web3.HTTPProvider(args.p))
f = open(os.path.join(args.abi_dir, 'TokenEndorser.json'), 'r')
abi = json.load(f)
f.close()
w3.eth.defaultAccount = w3.eth.accounts[0]
if args.o != None:
w3.eth.defaultAccount = args.o
logg.debug('endorser address {}'.format(w3.eth.defaultAccount))
c = w3.eth.contract(abi=abi, address=args.a)
tx_hash = c.functions.add(args.t, args.sha256hash).transact()
print(tx_hash.hex())
if __name__ == '__main__':
main()