def approve(self, approval_function): approval_function(ERC20Token(web3=self.web3, address=self.gem()), self.jar(), 'Tub.jar') approval_function(ERC20Token(web3=self.web3, address=self.skr()), self.jar(), 'Tub.jar') approval_function(ERC20Token(web3=self.web3, address=self.sai()), self.pot(), 'Tub.pot') approval_function(ERC20Token(web3=self.web3, address=self.skr()), self.pit(), 'Tub.pit') approval_function(ERC20Token(web3=self.web3, address=self.sai()), self.pit(), 'Tub.pit')
def __init__(self, auction_manager, auction_id, auction_info): self._auction_manager = auction_manager self.auction_id = auction_id self.creator = Address(auction_info[0]) self.selling = ERC20Token(web3=auction_manager.web3, address=Address(auction_info[1])) self.buying = ERC20Token(web3=auction_manager.web3, address=Address(auction_info[2])) self.start_bid = Wad(auction_info[3]) self.min_increase = auction_info[4] self.min_decrease = auction_info[5] self.sell_amount = Wad(auction_info[6]) self.ttl = auction_info[7] self.reversed = auction_info[8] self.unsold = auction_info[9]
def __init__(self): super().__init__() self.tub_address = Address(self.config.get_contract_address("saiTub")) self.tub = Tub(web3=self.web3, address=self.tub_address) self.tap_address = Address(self.config.get_contract_address("saiTap")) self.tap = Tap(web3=self.web3, address=self.tap_address) self.top_address = Address(self.config.get_contract_address("saiTop")) self.top = Top(web3=self.web3, address=self.top_address) self.otc_address = Address(self.config.get_contract_address("otc")) self.otc = SimpleMarket(web3=self.web3, address=self.otc_address) self.skr = ERC20Token(web3=self.web3, address=self.tub.skr()) self.sai = ERC20Token(web3=self.web3, address=self.tub.sai()) self.gem = DSEthToken(web3=self.web3, address=self.tub.gem()) ERC20Token.register_token(self.tub.skr(), 'SKR') ERC20Token.register_token(self.tub.sai(), 'SAI') ERC20Token.register_token(self.tub.gem(), 'WETH')
def test_equals(self): # given token1 = DSToken.deploy(self.web3, 'ABC') token2 = DSToken.deploy(self.web3, 'DEF') token2b = ERC20Token(web3=self.web3, address=token2.address) # expect assert token1 == token1 assert token2 == token2b assert not token1 == token2 assert not token1 == token2b
def __init__(self, lpc: Lpc): self.lpc = lpc rate = Ray(self.lpc.par() / (self.lpc.tag() * self.lpc.gap())) #TODO we always leave 0.000001 in the liquidity pool, in case of some rounding errors max_entry_ref = Wad.max( (ERC20Token(web3=lpc.web3, address=lpc.alt()).balance_of( lpc.address) / Wad(rate)) - Wad.from_number(0.000001), Wad.from_number(0)) super().__init__(source_token=self.lpc.ref(), target_token=self.lpc.alt(), rate=rate, max_source_amount=max_entry_ref, method="lpc.take(alt)")
def test_should_have_printable_representation(self): erc20token = ERC20Token(web3=self.web3, address=self.token.address) assert repr(erc20token) == f"ERC20Token('{erc20token.address}')"
def approve(self, approval_function): approval_function(ERC20Token(web3=self.web3, address=self.ref()), self.address, 'Lpc') approval_function(ERC20Token(web3=self.web3, address=self.alt()), self.address, 'Lpc')
def test_fail_when_no_token_with_that_address(self): with pytest.raises(Exception): ERC20Token( web3=self.web3, address=Address('0x0123456789012345678901234567890123456789'))
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()