# pragma version 0.4.3

dao: public(address)
emergency: public(address)

interface IController:
    def set_callback(_cb: address): nonpayable
    def set_amm_fee(_fee: uint256): nonpayable
    def set_amm_admin_fee(_fee: uint256): nonpayable
    def set_monetary_policy(_monetary_policy: address): nonpayable
    def set_borrowing_discounts(_loan_discount: uint256, _liquidation_discount: uint256): nonpayable


interface IFactory:
    def set_admin(admin: address): nonpayable
    def set_debt_ceiling(_to: address, debt_ceiling: uint256): nonpayable
    def debt_ceiling(_to: address) -> uint256: view


MAX_CALLDATA_SIZE: constant(uint256) = 1024
MAX_OUTSIZE: constant(uint256) = 1024


@deploy
def __init__(_dao: address, _emergency: address):
    self.dao = _dao
    self.emergency = _emergency


@internal
def _check_authorized():
    assert msg.sender in [self.dao, self.emergency], "Unauthorized"


@internal
def _check_dao():
    assert msg.sender == self.dao, "Only DAO"


@external
def set_callback(_controller: IController, _cb: address):
    self._check_authorized()
    extcall _controller.set_callback(_cb)


@external
def set_amm_fee(_controller: IController, _fee: uint256):
    self._check_authorized()
    extcall _controller.set_amm_fee(_fee)


@external
def set_monetary_policy(_controller: IController, _monetary_policy: address):
    self._check_authorized()
    extcall _controller.set_monetary_policy(_monetary_policy)


@external
def set_borrowing_discounts(_controller: IController, _loan_discount: uint256, _liquidation_discount: uint256):
    self._check_authorized()
    extcall _controller.set_borrowing_discounts(_loan_discount, _liquidation_discount)


@external
def set_admin_fee(_controller: IController, _fee: uint256):
    self._check_authorized()
    extcall _controller.set_amm_admin_fee(_fee)


@external
def reduce_debt_ceiling(_factory: IFactory, _to: address, _amount: uint256):
    # In practice there's only one factory where this matters
    # Did this for convenience on the caller side
    self._check_authorized()

    current_debt_ceiling: uint256 = staticcall _factory.debt_ceiling(_to)
    assert _amount <= current_debt_ceiling, "Can only reduce debt ceiling"

    extcall _factory.set_debt_ceiling(_to, _amount)


@external
@payable
def execute(_target: address, _calldata: Bytes[MAX_CALLDATA_SIZE]) -> Bytes[MAX_OUTSIZE]:
    self._check_dao()

    return raw_call(
        _target,
        _calldata,
        value=msg.value,
        max_outsize=MAX_OUTSIZE
    )


@external
def transfer_ownership(_factory: IFactory, _owner: address):
    self._check_dao()
    extcall _factory.set_admin(_owner)


@external
def set_emergency(_emergency: address):
    self._check_dao()
    self.emergency = _emergency


@external
def remove_emergency():
    """
    Useful in case of compromise of the emergency address
    """
    self._check_authorized()
    self.emergency = empty(address)

• No Contract Security Audit Submitted- Submit Audit Here

[{"stateMutability":"nonpayable","type":"function","name":"set_callback","inputs":[{"name":"_controller","type":"address"},{"name":"_cb","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_amm_fee","inputs":[{"name":"_controller","type":"address"},{"name":"_fee","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_monetary_policy","inputs":[{"name":"_controller","type":"address"},{"name":"_monetary_policy","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_borrowing_discounts","inputs":[{"name":"_controller","type":"address"},{"name":"_loan_discount","type":"uint256"},{"name":"_liquidation_discount","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_admin_fee","inputs":[{"name":"_controller","type":"address"},{"name":"_fee","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"reduce_debt_ceiling","inputs":[{"name":"_factory","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"outputs":[]},{"stateMutability":"payable","type":"function","name":"execute","inputs":[{"name":"_target","type":"address"},{"name":"_calldata","type":"bytes"}],"outputs":[{"name":"","type":"bytes"}]},{"stateMutability":"nonpayable","type":"function","name":"transfer_ownership","inputs":[{"name":"_factory","type":"address"},{"name":"_owner","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_emergency","inputs":[{"name":"_emergency","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"remove_emergency","inputs":[],"outputs":[]},{"stateMutability":"view","type":"function","name":"dao","inputs":[],"outputs":[{"name":"","type":"address"}]},{"stateMutability":"view","type":"function","name":"emergency","inputs":[],"outputs":[{"name":"","type":"address"}]},{"stateMutability":"nonpayable","type":"constructor","inputs":[{"name":"_dao","type":"address"},{"name":"_emergency","type":"address"}],"outputs":[]}]

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