mirror of
https://github.com/chaintool-py/eth-erc20.git
synced 2024-10-16 18:46:46 +02:00
151 lines
4.8 KiB
Python
151 lines
4.8 KiB
Python
"""Mints and gifts tokens to a given address
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
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.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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"""
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# SPDX-License-Identifier: GPL-3.0-or-later
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# standard imports
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import sys
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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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import time
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# third-party imports
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import web3
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from eth_keys import keys
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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('-e', action='store_true', help='Treat all transactions as essential')
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argparser.add_argument('-w', action='store_true', help='Wait for the last transaction to be confirmed')
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argparser.add_argument('-ww', action='store_true', help='Wait for every transaction to be confirmed')
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argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='Ethereum:1', help='Chain specification string')
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argparser.add_argument('-a', '--token-address', required='True', dest='a', type=str, help='Giftable token address')
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argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing')
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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('--recipient', type=str, help='Recipient account address. If not set, tokens will be gifted to the keystore account')
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argparser.add_argument('amount', type=int, help='Amount of tokens to mint and gift')
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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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block_mode = 0
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if args.ww:
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logg.debug('set block after each tx')
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block_mode = 2
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elif args.w:
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logg.debug('set block until last tx')
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block_mode = 1
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w3 = web3.Web3(web3.Web3.HTTPProvider(args.p))
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private_key = None
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signer_address = None
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if args.y != None:
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logg.debug('loading keystore file {}'.format(args.y))
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f = open(args.y, 'r')
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encrypted_key = f.read()
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f.close()
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private_key = w3.eth.account.decrypt(encrypted_key, '')
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private_key_object = keys.PrivateKey(private_key)
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signer_address = private_key_object.public_key.to_checksum_address()
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logg.debug('now have key for signer address {}'.format(signer_address))
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network_pair = args.i.split(':')
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network_id = int(network_pair[1])
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def waitFor(tx_hash):
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i = 1
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while True:
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try:
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return w3.eth.getTransactionReceipt(tx_hash)
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except web3.exceptions.TransactionNotFound:
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logg.debug('poll #{} for {}'.format(i, tx_hash.hex()))
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i += 1
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time.sleep(1)
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def main():
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f = open(os.path.join(args.abi_dir, 'GiftableToken.json'), 'r')
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abi = json.load(f)
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f.close()
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gas_price = w3.eth.gasPrice
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last_tx = None
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nonce = w3.eth.getTransactionCount(signer_address, 'pending')
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c = w3.eth.contract(abi=abi, address=args.a)
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recipient = signer_address
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if args.recipient != None:
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recipient = args.recipient
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tx = c.functions.mint(args.amount).buildTransaction({
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'chainId': network_id,
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'gas': 60000,
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'gasPrice': gas_price,
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'nonce': nonce,
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})
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signed_tx = w3.eth.account.sign_transaction(tx, private_key)
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tx_hash_mint = w3.eth.sendRawTransaction(signed_tx.rawTransaction)
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last_tx = tx_hash_mint
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logg.info('mint to {} tx {}'.format(signer_address, tx_hash_mint.hex()))
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if block_mode == 2:
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rcpt = waitFor(tx_hash_mint)
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if rcpt['status'] == 0:
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logg.critical('mint failed: {}'.format(tx_hash_mint.hex()))
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sys.exit(1)
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else:
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logg.info('mint succeeded. gas used: {}'.format(rcpt['gasUsed']))
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nonce += 1
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tx = c.functions.transfer(recipient, args.amount).buildTransaction({
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'chainId': network_id,
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'gas': 60000,
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'gasPrice': gas_price,
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'nonce': nonce,
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})
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signed_tx = w3.eth.account.sign_transaction(tx, private_key)
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tx_hash_mint = w3.eth.sendRawTransaction(signed_tx.rawTransaction)
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last_tx = tx_hash_mint
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logg.info('transfer to {} tx {}'.format(recipient, tx_hash_mint.hex()))
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if block_mode > 0:
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rcpt = waitFor(tx_hash_mint)
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if rcpt['status'] == 0:
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logg.error('trasnfer failed: {}'.format(tx_hash_mint.hex()))
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sys.exit(1)
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else:
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logg.info('transfer succeeded. gas used: {}'.format(rcpt['gasUsed']))
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print(last_tx.hex())
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sys.exit(0)
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if __name__ == '__main__':
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main()
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