def skim(self, ilk: Ilk, address: Address) -> Transact:
"""Cancels undercollateralized CDP debt to determine collateral shortfall"""
assert isinstance(ilk, Ilk)
assert isinstance(address, Address)
return Transact(self, self.web3, self.abi, self.address,
self._contract, 'skim',
[ilk.toBytes(), address.address])
def open(self, ilk: Ilk, address: Address) -> Transact:
assert isinstance(ilk, Ilk)
assert isinstance(address, Address)
return Transact(self, self.web3, self.abi, self.address,
self._contract, 'open',
[ilk.toBytes(), address.address])
def deploy(web3: Web3, vat: Address, ilk: Ilk, gem: Address):
assert isinstance(web3, Web3)
assert isinstance(vat, Address)
assert isinstance(ilk, Ilk)
assert isinstance(gem, Address)
return GemMock(
web3=web3,
address=Contract._deploy(
web3, GemMock.abi, GemMock.bin,
[vat.address, ilk.toBytes(), gem.address]))
def cash(self, ilk: Ilk, dai: Wad):
"""Exchange an amount of dai (already `pack`ed in the `bag`) for collateral"""
assert isinstance(ilk, Ilk)
assert isinstance(dai, Wad)
return Transact(self, self.web3, self.abi, self.address, self._contract, 'cash', [ilk.toBytes(), dai.value])
def flow(self, ilk: Ilk) -> Transact:
"""Calculate the `fix`, the cash price for a given collateral"""
assert isinstance(ilk, Ilk)
return Transact(self, self.web3, self.abi, self.address, self._contract, 'flow', [ilk.toBytes()])
def free(self, ilk: Ilk) -> Transact:
"""Releases excess collateral after `skim`ming"""
assert isinstance(ilk, Ilk)
return Transact(self, self.web3, self.abi, self.address, self._contract, 'free', [ilk.toBytes()])
def skip(self, ilk: Ilk, flip_id: int) -> Transact:
"""Cancel a flip auction and seize it's collateral"""
assert isinstance(ilk, Ilk)
assert isinstance(flip_id, int)
return Transact(self, self.web3, self.abi, self.address, self._contract, 'skip', [ilk.toBytes(), flip_id])
def cage(self, ilk: Ilk) -> Transact:
"""Set the `cage` price for the collateral"""
assert isinstance(ilk, Ilk)
return Transact(self, self.web3, self.abi, self.address, self._contract, 'cage(bytes32)', [ilk.toBytes()])
def out(self, ilk: Ilk, address: Address) -> Wad:
assert isinstance(ilk, Ilk)
assert isinstance(address, Address)
return Wad(self._contract.functions.out(ilk.toBytes(), address.address).call())
def fix(self, ilk: Ilk) -> Ray:
"""Final cash price for the collateral"""
assert isinstance(ilk, Ilk)
return Ray(self._contract.functions.fix(ilk.toBytes()).call())
def art(self, ilk: Ilk) -> Wad:
"""Total debt for the collateral"""
assert isinstance(ilk, Ilk)
return Wad(self._contract.functions.Art(ilk.toBytes()).call())
def gap(self, ilk: Ilk) -> Wad:
"""Collateral shortfall (difference of debt and collateral"""
assert isinstance(ilk, Ilk)
return Wad(self._contract.functions.gap(ilk.toBytes()).call())
def tag(self, ilk: Ilk) -> Ray:
"""Cage price for the collateral"""
assert isinstance(ilk, Ilk)
return Ray(self._contract.functions.tag(ilk.toBytes()).call())