cic-internal-integration/apps/contract-migration/dev/gas.py
2021-01-24 12:16:22 -08:00

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Python
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#!python3
"""Gas transfer script
.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
"""
# SPDX-License-Identifier: GPL-3.0-or-later
# standard imports
import os
import json
import argparse
import logging
# third-party imports
import web3
from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
from crypto_dev_signer.keystore import DictKeystore
from crypto_dev_signer.eth.helper import EthTxExecutor
logging.basicConfig(level=logging.WARNING)
logg = logging.getLogger()
logging.getLogger('web3').setLevel(logging.WARNING)
logging.getLogger('urllib3').setLevel(logging.WARNING)
default_abi_dir = '/usr/share/local/cic/solidity/abi'
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('-w', action='store_true', help='Wait for the last transaction to be confirmed')
argparser.add_argument('-ww', action='store_true', help='Wait for every transaction to be confirmed')
argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='Ethereum:1', help='Chain specification string')
argparser.add_argument('-a', '--signer-address', dest='a', type=str, help='Signing address')
argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing')
argparser.add_argument('-v', action='store_true', help='Be verbose')
argparser.add_argument('-vv', action='store_true', help='Be more verbose')
argparser.add_argument('recipient', type=str, help='Ethereum address of recipient')
argparser.add_argument('amount', type=int, help='Amount of tokens to mint and gift')
args = argparser.parse_args()
if args.vv:
logg.setLevel(logging.DEBUG)
elif args.v:
logg.setLevel(logging.INFO)
block_last = args.w
block_all = args.ww
w3 = web3.Web3(web3.Web3.HTTPProvider(args.p))
signer_address = None
keystore = DictKeystore()
if args.y != None:
logg.debug('loading keystore file {}'.format(args.y))
signer_address = keystore.import_keystore_file(args.y)
logg.debug('now have key for signer address {}'.format(signer_address))
signer = EIP155Signer(keystore)
chain_pair = args.i.split(':')
chain_id = int(chain_pair[1])
helper = EthTxExecutor(
w3,
signer_address,
signer,
chain_id,
block=args.ww,
)
def build_gas_transaction(recipient, value):
def builder(tx):
tx['to'] = recipient
tx['value'] = value
tx['data'] = '0x'
return tx
return builder
def main():
recipient = args.recipient
value = args.amount
logg.debug('sender {} balance before: {}'.format(signer_address, w3.eth.getBalance(signer_address)))
logg.debug('recipient {} balance before: {}'.format(recipient, w3.eth.getBalance(recipient)))
(tx_hash, rcpt) = helper.sign_and_send(
[
build_gas_transaction(recipient, value),
],
)
logg.debug('sender {} balance after: {}'.format(signer_address, w3.eth.getBalance(signer_address)))
logg.debug('recipient {} balance after: {}'.format(recipient, w3.eth.getBalance(recipient)))
if block_last:
helper.wait_for()
print(tx_hash)
if __name__ == '__main__':
main()