def test_token_registry(self):
# given
ERC20Token.register_token(
Address('0x0100000000000000000000000000000000000000'), 'ABC')
ERC20Token.register_token(
Address('0x0200000000000000000000000000000000000000'), 'DEF')
ERC20Token.register_token(
Address('0x0300000000000000000000000000000000000000'), 'GHI')
# expect
assert ERC20Token.token_name_by_address(
Address('0x0100000000000000000000000000000000000000')) == 'ABC'
assert ERC20Token.token_name_by_address(
Address('0x0200000000000000000000000000000000000000')) == 'DEF'
assert ERC20Token.token_name_by_address(
Address('0x0300000000000000000000000000000000000000')) == 'GHI'
with pytest.raises(Exception):
assert ERC20Token.token_name_by_address(
Address('0x0400000000000000000000000000000000000000'))
# and
assert ERC20Token.token_address_by_name('ABC') == Address(
'0x0100000000000000000000000000000000000000')
assert ERC20Token.token_address_by_name('DEF') == Address(
'0x0200000000000000000000000000000000000000')
assert ERC20Token.token_address_by_name('GHI') == Address(
'0x0300000000000000000000000000000000000000')
with pytest.raises(Exception):
ERC20Token.token_address_by_name('XXX')
from keeper import Config
from keeper.api.token import DSToken
from keeper.api.token import ERC20Token
parser = argparse.ArgumentParser(description='Dai Buy&Burn keeper. Buys DAI for MKR on forward auctions.')
parser.add_argument("--rpc-host", help="JSON-RPC host (default: `localhost')", default="localhost", type=str)
parser.add_argument("--rpc-port", help="JSON-RPC port (default: `8545')", default=8545, type=int)
parser.add_argument("--eth-from", help="Ethereum account from which to send transactions", required=True, type=str)
parser.add_argument("--frequency", help="Frequency of periodical checking of existing auctions (in seconds) (default: 60)", default=60, type=int)
parser.add_argument("--mkr-dai-rate", help="Target MKR/DAI rate", required=True, type=float)
parser.add_argument("--minimal-mkr-bid", help="Minimal amount of MKR you want to bid", required=True, type=float)
parser.add_argument("--step", help="Incremental step towards the maximum price (value between 0 and 1)", required=True, type=float)
args = parser.parse_args()
web3 = Web3(HTTPProvider(endpoint_uri=f"http://{args.rpc_host}:{args.rpc_port}"))
web3.eth.defaultAccount = args.eth_from
config = Config(web3)
auction_manager_address = Address(config.get_contract_address("auctionManager"))
auction_manager = AuctionManager(web3=web3, address=auction_manager_address, is_splitting=True)
trader_address = Address(args.eth_from)
dai_address = ERC20Token.token_address_by_name("DAI")
dai_token = ERC20Token(web3=web3, address=dai_address)
mkr_address = ERC20Token.token_address_by_name("MKR")
mkr_token = DSToken(web3=web3, address=mkr_address)
strategy = BasicForwardAuctionStrategy(dai_token, mkr_token, args.mkr_dai_rate, args.step, Wad(args.minimal_mkr_bid * 1000000000000000000))
engine = AuctionEngine(auction_manager, trader_address, strategy, args.frequency)
engine.start()
