Contract Source Code (Vyper language format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Submit Audit
• Compare

# @version 0.2.8
"""
@title Curve ETH/stETH StableSwap
@author Curve.Fi
@license Copyright (c) Curve.Fi, 2020 - all rights reserved
"""

from vyper.interfaces import ERC20


interface CurveToken:
    def mint(_to: address, _value: uint256) -> bool: nonpayable
    def burnFrom(_to: address, _value: uint256) -> bool: nonpayable


# Events
event TokenExchange:
    buyer: indexed(address)
    sold_id: int128
    tokens_sold: uint256
    bought_id: int128
    tokens_bought: uint256

event TokenExchangeUnderlying:
    buyer: indexed(address)
    sold_id: int128
    tokens_sold: uint256
    bought_id: int128
    tokens_bought: uint256

event AddLiquidity:
    provider: indexed(address)
    token_amounts: uint256[N_COINS]
    fees: uint256[N_COINS]
    invariant: uint256
    token_supply: uint256

event RemoveLiquidity:
    provider: indexed(address)
    token_amounts: uint256[N_COINS]
    fees: uint256[N_COINS]
    token_supply: uint256

event RemoveLiquidityOne:
    provider: indexed(address)
    token_amount: uint256
    coin_amount: uint256

event RemoveLiquidityImbalance:
    provider: indexed(address)
    token_amounts: uint256[N_COINS]
    fees: uint256[N_COINS]
    invariant: uint256
    token_supply: uint256

event CommitNewAdmin:
    deadline: indexed(uint256)
    admin: indexed(address)

event NewAdmin:
    admin: indexed(address)

event CommitNewFee:
    deadline: indexed(uint256)
    fee: uint256
    admin_fee: uint256

event NewFee:
    fee: uint256
    admin_fee: uint256

event RampA:
    old_A: uint256
    new_A: uint256
    initial_time: uint256
    future_time: uint256

event StopRampA:
    A: uint256
    t: uint256


# These constants must be set prior to compiling
N_COINS: constant(int128) = 2

# fixed constants
FEE_DENOMINATOR: constant(uint256) = 10 ** 10
PRECISION: constant(uint256) = 10 ** 18  # The precision to convert to

MAX_ADMIN_FEE: constant(uint256) = 10 * 10 ** 9
MAX_FEE: constant(uint256) = 5 * 10 ** 9

MAX_A: constant(uint256) = 10 ** 6
MAX_A_CHANGE: constant(uint256) = 10
A_PRECISION: constant(uint256) = 100

ADMIN_ACTIONS_DELAY: constant(uint256) = 3 * 86400
MIN_RAMP_TIME: constant(uint256) = 86400

coins: public(address[N_COINS])
admin_balances: public(uint256[N_COINS])

fee: public(uint256)  # fee * 1e10
admin_fee: public(uint256)  # admin_fee * 1e10

owner: public(address)
lp_token: public(address)

initial_A: public(uint256)
future_A: public(uint256)
initial_A_time: public(uint256)
future_A_time: public(uint256)

admin_actions_deadline: public(uint256)
transfer_ownership_deadline: public(uint256)
future_fee: public(uint256)
future_admin_fee: public(uint256)
future_owner: public(address)

is_killed: bool
kill_deadline: uint256
KILL_DEADLINE_DT: constant(uint256) = 2 * 30 * 86400


@external
def __init__(
    _owner: address,
    _coins: address[N_COINS],
    _pool_token: address,
    _A: uint256,
    _fee: uint256,
    _admin_fee: uint256
):
    """
    @notice Contract constructor
    @param _owner Contract owner address
    @param _coins Addresses of ERC20 conracts of coins
    @param _pool_token Address of the token representing LP share
    @param _A Amplification coefficient multiplied by n * (n - 1)
    @param _fee Fee to charge for exchanges
    @param _admin_fee Admin fee
    """
    assert _coins[0] == 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE
    assert _coins[1] != ZERO_ADDRESS

    self.coins = _coins
    self.initial_A = _A * A_PRECISION
    self.future_A = _A * A_PRECISION
    self.fee = _fee
    self.admin_fee = _admin_fee
    self.owner = _owner
    self.kill_deadline = block.timestamp + KILL_DEADLINE_DT
    self.lp_token = _pool_token


@view
@internal
def _A() -> uint256:
    t1: uint256 = self.future_A_time
    A1: uint256 = self.future_A

    if block.timestamp < t1:
        # handle ramping up and down of A
        A0: uint256 = self.initial_A
        t0: uint256 = self.initial_A_time
        # Expressions in uint256 cannot have negative numbers, thus "if"
        if A1 > A0:
            return A0 + (A1 - A0) * (block.timestamp - t0) / (t1 - t0)
        else:
            return A0 - (A0 - A1) * (block.timestamp - t0) / (t1 - t0)

    else:  # when t1 == 0 or block.timestamp >= t1
        return A1


@view
@external
def A() -> uint256:
    return self._A() / A_PRECISION


@view
@external
def A_precise() -> uint256:
    return self._A()


@view
@internal
def _balances(_value: uint256 = 0) -> uint256[N_COINS]:
    return [
        self.balance - self.admin_balances[0] - _value,
        ERC20(self.coins[1]).balanceOf(self) - self.admin_balances[1]
    ]


@view
@external
def balances(i: uint256) -> uint256:
    """
    @notice Get the current balance of a coin within the
            pool, less the accrued admin fees
    @param i Index value for the coin to query balance of
    @return Token balance
    """
    return self._balances()[i]


@pure
@internal
def get_D(xp: uint256[N_COINS], amp: uint256) -> uint256:
    """
    D invariant calculation in non-overflowing integer operations
    iteratively

    A * sum(x_i) * n**n + D = A * D * n**n + D**(n+1) / (n**n * prod(x_i))

    Converging solution:
    D[j+1] = (A * n**n * sum(x_i) - D[j]**(n+1) / (n**n prod(x_i))) / (A * n**n - 1)
    """
    S: uint256 = 0
    Dprev: uint256 = 0

    for _x in xp:
        S += _x
    if S == 0:
        return 0

    D: uint256 = S
    Ann: uint256 = amp * N_COINS
    for _i in range(255):
        D_P: uint256 = D
        for _x in xp:
            D_P = D_P * D / (_x * N_COINS + 1)  # +1 is to prevent /0
        Dprev = D
        D = (Ann * S / A_PRECISION + D_P * N_COINS) * D / ((Ann - A_PRECISION) * D / A_PRECISION + (N_COINS + 1) * D_P)
        # Equality with the precision of 1
        if D > Dprev:
            if D - Dprev <= 1:
                return D
        else:
            if Dprev - D <= 1:
                return D
    # convergence typically occurs in 4 rounds or less, this should be unreachable!
    # if it does happen the pool is borked and LPs can withdraw via `remove_liquidity`
    raise


@view
@external
def get_virtual_price() -> uint256:
    """
    @notice The current virtual price of the pool LP token
    @dev Useful for calculating profits
    @return LP token virtual price normalized to 1e18
    """
    D: uint256 = self.get_D(self._balances(), self._A())
    # D is in the units similar to DAI (e.g. converted to precision 1e18)
    # When balanced, D = n * x_u - total virtual value of the portfolio
    token_supply: uint256 = ERC20(self.lp_token).totalSupply()
    return D * PRECISION / token_supply


@view
@external
def calc_token_amount(amounts: uint256[N_COINS], is_deposit: bool) -> uint256:
    """
    @notice Calculate addition or reduction in token supply from a deposit or withdrawal
    @dev This calculation accounts for slippage, but not fees.
         Needed to prevent front-running, not for precise calculations!
    @param amounts Amount of each coin being deposited
    @param is_deposit set True for deposits, False for withdrawals
    @return Expected amount of LP tokens received
    """
    amp: uint256 = self._A()
    balances: uint256[N_COINS] = self._balances()
    D0: uint256 = self.get_D(balances, amp)
    for i in range(N_COINS):
        if is_deposit:
            balances[i] += amounts[i]
        else:
            balances[i] -= amounts[i]
    D1: uint256 = self.get_D(balances, amp)
    token_amount: uint256 = ERC20(self.lp_token).totalSupply()
    diff: uint256 = 0
    if is_deposit:
        diff = D1 - D0
    else:
        diff = D0 - D1
    return diff * token_amount / D0


@payable
@external
@nonreentrant('lock')
def add_liquidity(amounts: uint256[N_COINS], min_mint_amount: uint256) -> uint256:
    """
    @notice Deposit coins into the pool
    @param amounts List of amounts of coins to deposit
    @param min_mint_amount Minimum amount of LP tokens to mint from the deposit
    @return Amount of LP tokens received by depositing
    """
    assert not self.is_killed  # dev: is killed

    # Initial invariant
    amp: uint256 = self._A()
    old_balances: uint256[N_COINS] = self._balances(msg.value)
    D0: uint256 = self.get_D(old_balances, amp)

    lp_token: address = self.lp_token
    token_supply: uint256 = ERC20(lp_token).totalSupply()
    new_balances: uint256[N_COINS] = old_balances
    for i in range(N_COINS):
        if token_supply == 0:
            assert amounts[i] > 0  # dev: initial deposit requires all coins
        new_balances[i] += amounts[i]

    # Invariant after change
    D1: uint256 = self.get_D(new_balances, amp)
    assert D1 > D0

    # We need to recalculate the invariant accounting for fees
    # to calculate fair user's share
    fees: uint256[N_COINS] = empty(uint256[N_COINS])
    mint_amount: uint256 = 0
    D2: uint256 = 0
    if token_supply > 0:
        # Only account for fees if we are not the first to deposit
        fee: uint256 = self.fee * N_COINS / (4 * (N_COINS - 1))
        admin_fee: uint256 = self.admin_fee
        for i in range(N_COINS):
            ideal_balance: uint256 = D1 * old_balances[i] / D0
            difference: uint256 = 0
            if ideal_balance > new_balances[i]:
                difference = ideal_balance - new_balances[i]
            else:
                difference = new_balances[i] - ideal_balance
            fees[i] = fee * difference / FEE_DENOMINATOR
            if admin_fee != 0:
                self.admin_balances[i] += fees[i] * admin_fee / FEE_DENOMINATOR
            new_balances[i] -= fees[i]
        D2 = self.get_D(new_balances, amp)
        mint_amount = token_supply * (D2 - D0) / D0
    else:
        mint_amount = D1  # Take the dust if there was any

    assert mint_amount >= min_mint_amount, "Slippage screwed you"

    # Take coins from the sender
    assert msg.value == amounts[0]
    if amounts[1] > 0:
        assert ERC20(self.coins[1]).transferFrom(msg.sender, self, amounts[1])

    # Mint pool tokens
    CurveToken(lp_token).mint(msg.sender, mint_amount)

    log AddLiquidity(msg.sender, amounts, fees, D1, token_supply + mint_amount)

    return mint_amount


@view
@internal
def get_y(i: int128, j: int128, x: uint256, xp: uint256[N_COINS]) -> uint256:
    """
    Calculate x[j] if one makes x[i] = x

    Done by solving quadratic equation iteratively.
    x_1**2 + x1 * (sum' - (A*n**n - 1) * D / (A * n**n)) = D ** (n + 1) / (n ** (2 * n) * prod' * A)
    x_1**2 + b*x_1 = c

    x_1 = (x_1**2 + c) / (2*x_1 + b)
    """
    # x in the input is converted to the same price/precision

    assert i != j       # dev: same coin
    assert j >= 0       # dev: j below zero
    assert j < N_COINS  # dev: j above N_COINS

    # should be unreachable, but good for safety
    assert i >= 0
    assert i < N_COINS

    amp: uint256 = self._A()
    D: uint256 = self.get_D(xp, amp)
    Ann: uint256 = amp * N_COINS
    c: uint256 = D
    S_: uint256 = 0
    _x: uint256 = 0
    y_prev: uint256 = 0

    for _i in range(N_COINS):
        if _i == i:
            _x = x
        elif _i != j:
            _x = xp[_i]
        else:
            continue
        S_ += _x
        c = c * D / (_x * N_COINS)
    c = c * D * A_PRECISION / (Ann * N_COINS)
    b: uint256 = S_ + D * A_PRECISION / Ann  # - D
    y: uint256 = D
    for _i in range(255):
        y_prev = y
        y = (y*y + c) / (2 * y + b - D)
        # Equality with the precision of 1
        if y > y_prev:
            if y - y_prev <= 1:
                return y
        else:
            if y_prev - y <= 1:
                return y
    raise


@view
@external
def get_dy(i: int128, j: int128, dx: uint256) -> uint256:
    xp: uint256[N_COINS] = self._balances()
    x: uint256 = xp[i] + dx
    y: uint256 = self.get_y(i, j, x, xp)
    dy: uint256 = xp[j] - y - 1
    fee: uint256 = self.fee * dy / FEE_DENOMINATOR
    return dy - fee


@payable
@external
@nonreentrant('lock')
def exchange(i: int128, j: int128, dx: uint256, min_dy: uint256) -> uint256:
    """
    @notice Perform an exchange between two coins
    @dev Index values can be found via the `coins` public getter method
    @param i Index value for the coin to send
    @param j Index valie of the coin to recieve
    @param dx Amount of `i` being exchanged
    @param min_dy Minimum amount of `j` to receive
    @return Actual amount of `j` received
    """
    assert not self.is_killed  # dev: is killed
    # dx and dy are in aTokens

    xp: uint256[N_COINS] = self._balances(msg.value)

    x: uint256 = xp[i] + dx
    y: uint256 = self.get_y(i, j, x, xp)
    dy: uint256 = xp[j] - y - 1
    dy_fee: uint256 = dy * self.fee / FEE_DENOMINATOR

    # Convert all to real units
    dy = dy - dy_fee
    assert dy >= min_dy, "Exchange resulted in fewer coins than expected"

    admin_fee: uint256 = self.admin_fee
    if admin_fee != 0:
        dy_admin_fee: uint256 = dy_fee * admin_fee / FEE_DENOMINATOR
        if dy_admin_fee != 0:
            self.admin_balances[j] += dy_admin_fee

    coin: address = self.coins[1]
    if i == 0:
        assert msg.value == dx
        assert ERC20(coin).transfer(msg.sender, dy)
    else:
        assert msg.value == 0
        assert ERC20(coin).transferFrom(msg.sender, self, dx)
        raw_call(msg.sender, b"", value=dy)

    log TokenExchange(msg.sender, i, dx, j, dy)

    return dy


@external
@nonreentrant('lock')
def remove_liquidity(
    _amount: uint256,
    _min_amounts: uint256[N_COINS],
) -> uint256[N_COINS]:
    """
    @notice Withdraw coins from the pool
    @dev Withdrawal amounts are based on current deposit ratios
    @param _amount Quantity of LP tokens to burn in the withdrawal
    @param _min_amounts Minimum amounts of underlying coins to receive
    @return List of amounts of coins that were withdrawn
    """
    amounts: uint256[N_COINS] = self._balances()
    lp_token: address = self.lp_token
    total_supply: uint256 = ERC20(lp_token).totalSupply()
    CurveToken(lp_token).burnFrom(msg.sender, _amount)  # dev: insufficient funds

    for i in range(N_COINS):
        value: uint256 = amounts[i] * _amount / total_supply
        assert value >= _min_amounts[i], "Withdrawal resulted in fewer coins than expected"

        amounts[i] = value
        if i == 0:
            raw_call(msg.sender, b"", value=value)
        else:
            assert ERC20(self.coins[1]).transfer(msg.sender, value)

    log RemoveLiquidity(msg.sender, amounts, empty(uint256[N_COINS]), total_supply - _amount)

    return amounts


@external
@nonreentrant('lock')
def remove_liquidity_imbalance(
    _amounts: uint256[N_COINS],
    _max_burn_amount: uint256
) -> uint256:
    """
    @notice Withdraw coins from the pool in an imbalanced amount
    @param _amounts List of amounts of underlying coins to withdraw
    @param _max_burn_amount Maximum amount of LP token to burn in the withdrawal
    @return Actual amount of the LP token burned in the withdrawal
    """
    assert not self.is_killed  # dev: is killed

    amp: uint256 = self._A()
    old_balances: uint256[N_COINS] = self._balances()
    D0: uint256 = self.get_D(old_balances, amp)
    new_balances: uint256[N_COINS] = old_balances
    for i in range(N_COINS):
        new_balances[i] -= _amounts[i]
    D1: uint256 = self.get_D(new_balances, amp)

    fees: uint256[N_COINS] = empty(uint256[N_COINS])
    fee: uint256 = self.fee * N_COINS / (4 * (N_COINS - 1))
    admin_fee: uint256 = self.admin_fee
    for i in range(N_COINS):
        ideal_balance: uint256 = D1 * old_balances[i] / D0
        new_balance: uint256 = new_balances[i]
        difference: uint256 = 0
        if ideal_balance > new_balance:
            difference = ideal_balance - new_balance
        else:
            difference = new_balance - ideal_balance
        fees[i] = fee * difference / FEE_DENOMINATOR
        if admin_fee != 0:
            self.admin_balances[i] += fees[i] * admin_fee / FEE_DENOMINATOR
        new_balances[i] -= fees[i]
    D2: uint256 = self.get_D(new_balances, amp)

    lp_token: address = self.lp_token
    token_supply: uint256 = ERC20(lp_token).totalSupply()
    token_amount: uint256 = (D0 - D2) * token_supply / D0

    assert token_amount != 0  # dev: zero tokens burned
    assert token_amount <= _max_burn_amount, "Slippage screwed you"

    CurveToken(lp_token).burnFrom(msg.sender, token_amount)  # dev: insufficient funds

    if _amounts[0] != 0:
        raw_call(msg.sender, b"", value=_amounts[0])
    if _amounts[1] != 0:
        assert ERC20(self.coins[1]).transfer(msg.sender, _amounts[1])

    log RemoveLiquidityImbalance(msg.sender, _amounts, fees, D1, token_supply - token_amount)

    return token_amount


@pure
@internal
def get_y_D(A_: uint256, i: int128, xp: uint256[N_COINS], D: uint256) -> uint256:
    """
    Calculate x[i] if one reduces D from being calculated for xp to D

    Done by solving quadratic equation iteratively.
    x_1**2 + x1 * (sum' - (A*n**n - 1) * D / (A * n**n)) = D ** (n + 1) / (n ** (2 * n) * prod' * A)
    x_1**2 + b*x_1 = c

    x_1 = (x_1**2 + c) / (2*x_1 + b)
    """
    # x in the input is converted to the same price/precision

    assert i >= 0       # dev: i below zero
    assert i < N_COINS  # dev: i above N_COINS

    Ann: uint256 = A_ * N_COINS
    c: uint256 = D
    S_: uint256 = 0
    _x: uint256 = 0
    y_prev: uint256 = 0

    for _i in range(N_COINS):
        if _i != i:
            _x = xp[_i]
        else:
            continue
        S_ += _x
        c = c * D / (_x * N_COINS)
    c = c * D * A_PRECISION / (Ann * N_COINS)
    b: uint256 = S_ + D * A_PRECISION / Ann
    y: uint256 = D

    for _i in range(255):
        y_prev = y
        y = (y*y + c) / (2 * y + b - D)
        # Equality with the precision of 1
        if y > y_prev:
            if y - y_prev <= 1:
                return y
        else:
            if y_prev - y <= 1:
                return y
    raise


@view
@internal
def _calc_withdraw_one_coin(_token_amount: uint256, i: int128) -> (uint256, uint256):
    # First, need to calculate
    # * Get current D
    # * Solve Eqn against y_i for D - _token_amount
    amp: uint256 = self._A()
    xp: uint256[N_COINS] = self._balances()
    D0: uint256 = self.get_D(xp, amp)
    total_supply: uint256 = ERC20(self.lp_token).totalSupply()
    D1: uint256 = D0 - _token_amount * D0 / total_supply
    new_y: uint256 = self.get_y_D(amp, i, xp, D1)

    fee: uint256 = self.fee * N_COINS / (4 * (N_COINS - 1))
    xp_reduced: uint256[N_COINS] = xp
    for j in range(N_COINS):
        dx_expected: uint256 = 0
        if j == i:
            dx_expected = xp[j] * D1 / D0 - new_y
        else:
            dx_expected = xp[j] - xp[j] * D1 / D0
        xp_reduced[j] -= fee * dx_expected / FEE_DENOMINATOR

    dy: uint256 = xp_reduced[i] - self.get_y_D(amp, i, xp_reduced, D1)

    dy -= 1  # Withdraw less to account for rounding errors
    dy_0: uint256 = xp[i] - new_y  # w/o fees

    return dy, dy_0 - dy


@view
@external
def calc_withdraw_one_coin(_token_amount: uint256, i: int128) -> uint256:
    """
    @notice Calculate the amount received when withdrawing a single coin
    @dev Result is the same for underlying or wrapped asset withdrawals
    @param _token_amount Amount of LP tokens to burn in the withdrawal
    @param i Index value of the coin to withdraw
    @return Amount of coin received
    """
    return self._calc_withdraw_one_coin(_token_amount, i)[0]


@external
@nonreentrant('lock')
def remove_liquidity_one_coin(
    _token_amount: uint256,
    i: int128,
    _min_amount: uint256
) -> uint256:
    """
    @notice Withdraw a single coin from the pool
    @param _token_amount Amount of LP tokens to burn in the withdrawal
    @param i Index value of the coin to withdraw
    @param _min_amount Minimum amount of coin to receive
    @return Amount of coin received
    """
    assert not self.is_killed  # dev: is killed

    dy: uint256 = 0
    dy_fee: uint256 = 0
    dy, dy_fee = self._calc_withdraw_one_coin(_token_amount, i)

    assert dy >= _min_amount, "Not enough coins removed"

    self.admin_balances[i] += dy_fee * self.admin_fee / FEE_DENOMINATOR

    CurveToken(self.lp_token).burnFrom(msg.sender, _token_amount)  # dev: insufficient funds

    if i == 0:
        raw_call(msg.sender, b"", value=dy)
    else:
        assert ERC20(self.coins[1]).transfer(msg.sender, dy)

    log RemoveLiquidityOne(msg.sender, _token_amount, dy)

    return dy


### Admin functions ###

@external
def ramp_A(_future_A: uint256, _future_time: uint256):
    assert msg.sender == self.owner  # dev: only owner
    assert block.timestamp >= self.initial_A_time + MIN_RAMP_TIME
    assert _future_time >= block.timestamp + MIN_RAMP_TIME  # dev: insufficient time

    _initial_A: uint256 = self._A()
    _future_A_p: uint256 = _future_A * A_PRECISION

    assert _future_A > 0 and _future_A < MAX_A
    if _future_A_p < _initial_A:
        assert _future_A_p * MAX_A_CHANGE >= _initial_A
    else:
        assert _future_A_p <= _initial_A * MAX_A_CHANGE

    self.initial_A = _initial_A
    self.future_A = _future_A_p
    self.initial_A_time = block.timestamp
    self.future_A_time = _future_time

    log RampA(_initial_A, _future_A_p, block.timestamp, _future_time)


@external
def stop_ramp_A():
    assert msg.sender == self.owner  # dev: only owner

    current_A: uint256 = self._A()
    self.initial_A = current_A
    self.future_A = current_A
    self.initial_A_time = block.timestamp
    self.future_A_time = block.timestamp
    # now (block.timestamp < t1) is always False, so we return saved A

    log StopRampA(current_A, block.timestamp)


@external
def commit_new_fee(new_fee: uint256, new_admin_fee: uint256):
    assert msg.sender == self.owner  # dev: only owner
    assert self.admin_actions_deadline == 0  # dev: active action
    assert new_fee <= MAX_FEE  # dev: fee exceeds maximum
    assert new_admin_fee <= MAX_ADMIN_FEE  # dev: admin fee exceeds maximum

    _deadline: uint256 = block.timestamp + ADMIN_ACTIONS_DELAY
    self.admin_actions_deadline = _deadline
    self.future_fee = new_fee
    self.future_admin_fee = new_admin_fee

    log CommitNewFee(_deadline, new_fee, new_admin_fee)


@external
@nonreentrant('lock')
def apply_new_fee():
    assert msg.sender == self.owner  # dev: only owner
    assert block.timestamp >= self.admin_actions_deadline  # dev: insufficient time
    assert self.admin_actions_deadline != 0  # dev: no active action

    self.admin_actions_deadline = 0
    _fee: uint256 = self.future_fee
    _admin_fee: uint256 = self.future_admin_fee
    self.fee = _fee
    self.admin_fee = _admin_fee

    log NewFee(_fee, _admin_fee)


@external
def revert_new_parameters():
    assert msg.sender == self.owner  # dev: only owner

    self.admin_actions_deadline = 0


@external
def commit_transfer_ownership(_owner: address):
    assert msg.sender == self.owner  # dev: only owner
    assert self.transfer_ownership_deadline == 0  # dev: active transfer

    _deadline: uint256 = block.timestamp + ADMIN_ACTIONS_DELAY
    self.transfer_ownership_deadline = _deadline
    self.future_owner = _owner

    log CommitNewAdmin(_deadline, _owner)


@external
@nonreentrant('lock')
def apply_transfer_ownership():
    assert msg.sender == self.owner  # dev: only owner
    assert block.timestamp >= self.transfer_ownership_deadline  # dev: insufficient time
    assert self.transfer_ownership_deadline != 0  # dev: no active transfer

    self.transfer_ownership_deadline = 0
    _owner: address = self.future_owner
    self.owner = _owner

    log NewAdmin(_owner)


@external
def revert_transfer_ownership():
    assert msg.sender == self.owner  # dev: only owner

    self.transfer_ownership_deadline = 0


@external
@nonreentrant('lock')
def withdraw_admin_fees():
    assert msg.sender == self.owner  # dev: only owner

    amount: uint256 = self.admin_balances[0]
    if amount != 0:
        raw_call(msg.sender, b"", value=amount)

    amount = self.admin_balances[1]
    if amount != 0:
        assert ERC20(self.coins[1]).transfer(msg.sender, amount)

    self.admin_balances = empty(uint256[N_COINS])


@external
def donate_admin_fees():
    """
    Just in case admin balances somehow become higher than total (rounding error?)
    this can be used to fix the state, too
    """
    assert msg.sender == self.owner  # dev: only owner
    self.admin_balances = empty(uint256[N_COINS])


@external
def kill_me():
    assert msg.sender == self.owner  # dev: only owner
    assert self.kill_deadline > block.timestamp  # dev: deadline has passed
    self.is_killed = True


@external
def unkill_me():
    assert msg.sender == self.owner  # dev: only owner
    self.is_killed = False

• No Contract Security Audit Submitted- Submit Audit Here

[{"name":"TokenExchange","inputs":[{"type":"address","name":"buyer","indexed":true},{"type":"int128","name":"sold_id","indexed":false},{"type":"uint256","name":"tokens_sold","indexed":false},{"type":"int128","name":"bought_id","indexed":false},{"type":"uint256","name":"tokens_bought","indexed":false}],"anonymous":false,"type":"event"},{"name":"TokenExchangeUnderlying","inputs":[{"type":"address","name":"buyer","indexed":true},{"type":"int128","name":"sold_id","indexed":false},{"type":"uint256","name":"tokens_sold","indexed":false},{"type":"int128","name":"bought_id","indexed":false},{"type":"uint256","name":"tokens_bought","indexed":false}],"anonymous":false,"type":"event"},{"name":"AddLiquidity","inputs":[{"type":"address","name":"provider","indexed":true},{"type":"uint256[2]","name":"token_amounts","indexed":false},{"type":"uint256[2]","name":"fees","indexed":false},{"type":"uint256","name":"invariant","indexed":false},{"type":"uint256","name":"token_supply","indexed":false}],"anonymous":false,"type":"event"},{"name":"RemoveLiquidity","inputs":[{"type":"address","name":"provider","indexed":true},{"type":"uint256[2]","name":"token_amounts","indexed":false},{"type":"uint256[2]","name":"fees","indexed":false},{"type":"uint256","name":"token_supply","indexed":false}],"anonymous":false,"type":"event"},{"name":"RemoveLiquidityOne","inputs":[{"type":"address","name":"provider","indexed":true},{"type":"uint256","name":"token_amount","indexed":false},{"type":"uint256","name":"coin_amount","indexed":false}],"anonymous":false,"type":"event"},{"name":"RemoveLiquidityImbalance","inputs":[{"type":"address","name":"provider","indexed":true},{"type":"uint256[2]","name":"token_amounts","indexed":false},{"type":"uint256[2]","name":"fees","indexed":false},{"type":"uint256","name":"invariant","indexed":false},{"type":"uint256","name":"token_supply","indexed":false}],"anonymous":false,"type":"event"},{"name":"CommitNewAdmin","inputs":[{"type":"uint256","name":"deadline","indexed":true},{"type":"address","name":"admin","indexed":true}],"anonymous":false,"type":"event"},{"name":"NewAdmin","inputs":[{"type":"address","name":"admin","indexed":true}],"anonymous":false,"type":"event"},{"name":"CommitNewFee","inputs":[{"type":"uint256","name":"deadline","indexed":true},{"type":"uint256","name":"fee","indexed":false},{"type":"uint256","name":"admin_fee","indexed":false}],"anonymous":false,"type":"event"},{"name":"NewFee","inputs":[{"type":"uint256","name":"fee","indexed":false},{"type":"uint256","name":"admin_fee","indexed":false}],"anonymous":false,"type":"event"},{"name":"RampA","inputs":[{"type":"uint256","name":"old_A","indexed":false},{"type":"uint256","name":"new_A","indexed":false},{"type":"uint256","name":"initial_time","indexed":false},{"type":"uint256","name":"future_time","indexed":false}],"anonymous":false,"type":"event"},{"name":"StopRampA","inputs":[{"type":"uint256","name":"A","indexed":false},{"type":"uint256","name":"t","indexed":false}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"address","name":"_owner"},{"type":"address[2]","name":"_coins"},{"type":"address","name":"_pool_token"},{"type":"uint256","name":"_A"},{"type":"uint256","name":"_fee"},{"type":"uint256","name":"_admin_fee"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":5289},{"name":"A_precise","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":5251},{"name":"balances","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"i"}],"stateMutability":"view","type":"function","gas":5076},{"name":"get_virtual_price","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1114301},{"name":"calc_token_amount","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256[2]","name":"amounts"},{"type":"bool","name":"is_deposit"}],"stateMutability":"view","type":"function","gas":2218181},{"name":"add_liquidity","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256[2]","name":"amounts"},{"type":"uint256","name":"min_mint_amount"}],"stateMutability":"payable","type":"function","gas":3484118},{"name":"get_dy","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"int128","name":"i"},{"type":"int128","name":"j"},{"type":"uint256","name":"dx"}],"stateMutability":"view","type":"function","gas":2654541},{"name":"exchange","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"int128","name":"i"},{"type":"int128","name":"j"},{"type":"uint256","name":"dx"},{"type":"uint256","name":"min_dy"}],"stateMutability":"payable","type":"function","gas":2810134},{"name":"remove_liquidity","outputs":[{"type":"uint256[2]","name":""}],"inputs":[{"type":"uint256","name":"_amount"},{"type":"uint256[2]","name":"_min_amounts"}],"stateMutability":"nonpayable","type":"function","gas":160545},{"name":"remove_liquidity_imbalance","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256[2]","name":"_amounts"},{"type":"uint256","name":"_max_burn_amount"}],"stateMutability":"nonpayable","type":"function","gas":3519382},{"name":"calc_withdraw_one_coin","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"_token_amount"},{"type":"int128","name":"i"}],"stateMutability":"view","type":"function","gas":1435},{"name":"remove_liquidity_one_coin","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"_token_amount"},{"type":"int128","name":"i"},{"type":"uint256","name":"_min_amount"}],"stateMutability":"nonpayable","type":"function","gas":4113806},{"name":"ramp_A","outputs":[],"inputs":[{"type":"uint256","name":"_future_A"},{"type":"uint256","name":"_future_time"}],"stateMutability":"nonpayable","type":"function","gas":151834},{"name":"stop_ramp_A","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":148595},{"name":"commit_new_fee","outputs":[],"inputs":[{"type":"uint256","name":"new_fee"},{"type":"uint256","name":"new_admin_fee"}],"stateMutability":"nonpayable","type":"function","gas":110431},{"name":"apply_new_fee","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":153115},{"name":"revert_new_parameters","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":21865},{"name":"commit_transfer_ownership","outputs":[],"inputs":[{"type":"address","name":"_owner"}],"stateMutability":"nonpayable","type":"function","gas":74603},{"name":"apply_transfer_ownership","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":116583},{"name":"revert_transfer_ownership","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":21955},{"name":"withdraw_admin_fees","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":137597},{"name":"donate_admin_fees","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":42144},{"name":"kill_me","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":37938},{"name":"unkill_me","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":22075},{"name":"coins","outputs":[{"type":"address","name":""}],"inputs":[{"type":"uint256","name":"arg0"}],"stateMutability":"view","type":"function","gas":2160},{"name":"admin_balances","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"arg0"}],"stateMutability":"view","type":"function","gas":2190},{"name":"fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2111},{"name":"admin_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2141},{"name":"owner","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2171},{"name":"lp_token","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2201},{"name":"initial_A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2231},{"name":"future_A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2261},{"name":"initial_A_time","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2291},{"name":"future_A_time","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2321},{"name":"admin_actions_deadline","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2351},{"name":"transfer_ownership_deadline","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2381},{"name":"future_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2411},{"name":"future_admin_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2441},{"name":"future_owner","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2471}]

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