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61 lines
2.2 KiB
Python
61 lines
2.2 KiB
Python
#!/usr/bin/env python3
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import json
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from os import getenv, path
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from secrets import token_urlsafe
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from datetime import datetime
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from hashlib import sha256
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from random import choices
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from web3 import Web3
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from dotenv import load_dotenv
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load_dotenv()
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def get_eth_contract(_ca, _rp):
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compiled_contract_path = path.abspath(_rp)
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with open(compiled_contract_path) as file:
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contract_json = json.load(file)
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contract_abi = contract_json['abi']
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return w3.eth.contract(address=w3.toChecksumAddress(_ca), abi=contract_abi)
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def sendit(w3, t, nonce):
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t['from'] = w3.eth.defaultAccount
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t['nonce'] = nonce
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s = w3.eth.account.sign_transaction(t, private_key=getenv(f'{net}_KEY'))
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return w3.eth.send_raw_transaction(s.rawTransaction)
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if __name__ == '__main__':
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net = getenv('NET').upper()
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if not getenv(f'{net}_CONTRACT') or not getenv(f'{net}_KEY') or not getenv(f'{net}_RPC'):
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print('invalid env vars set')
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exit()
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# web3 setup
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WEB3_PROVIDER_URI = getenv(f'{net}_RPC')
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w3 = Web3(Web3.HTTPProvider(WEB3_PROVIDER_URI))
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w3.eth.defaultAccount = w3.eth.account.from_key(getenv(f'{net}_KEY')).address
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contract = get_eth_contract(getenv(f'{net}_CONTRACT'), './out/Lottery.sol/Lottery.json')
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nonce = w3.eth.get_transaction_count(w3.eth.defaultAccount)
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# Calculate gas
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if getenv('HASH'):
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tokens = choices(range(0, 5000), k=10)
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phrase = f'{datetime.utcnow()},{token_urlsafe(12).replace(",", "")},{" ".join([str(i) for i in tokens])}'
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hashed = sha256(phrase.encode('utf-8')).hexdigest()
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r = sendit(w3, contract.functions.setWinningPhrase(hashed).build_transaction(), nonce)
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print(f'sent tx {r.hex()} with nonce {nonce} to update the winning phrase')
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with open('output.txt', 'w') as f:
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f.write(f'{phrase}\n{hashed}')
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if getenv('TOKENS'):
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msg = ''
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with open('output.txt', 'r') as f:
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msg = f.readlines()[0]
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_tokens = msg.split(',')[2]
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tokens = [int(i) for i in _tokens.split()]
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r = sendit(w3, contract.functions.setWinningTokens(tokens).build_transaction(), nonce)
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print(f'sent tx {r.hex()} with nonce {nonce} to update the winning tokens')
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