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banteg/uniswap_total.py

Created March 6, 2019 08:23
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tally ether locked across all uniswap exchanges
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uniswap_total.py
from concurrent.futures import ThreadPoolExecutor
from web3.auto import w3
from cryptocompare import get_price
abi = [{'name': 'NewExchange', 'inputs': [{'type': 'address', 'name': 'token', 'indexed': True}, {'type': 'address', 'name': 'exchange', 'indexed': True}], 'anonymous': False, 'type': 'event'}]
factory = w3.eth.contract('0xc0a47dFe034B400B47bDaD5FecDa2621de6c4d95', abi=abi)
new_exchange = factory.events.NewExchange().createFilter(fromBlock=6627917)
exchanges = [x.args.exchange for x in new_exchange.get_all_entries()]
balances = ThreadPoolExecutor(10).map(w3.eth.getBalance, exchanges)
eth_locked = w3.fromWei(sum(balances), 'ether')
price = get_price('ETH', 'USD')['ETH']['USD']
print(f'{eth_locked:,.2f} ETH locked across {len(exchanges)} uniswap exchanges\n${float(eth_locked) * 2 * price:,.0f} total locked')
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