Contract 0x960ea3e3c7fb317332d990873d354e18d7645590 1

 
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0xab0d7ed57d6c1d4331feb4652e30a4095ebb942ee81d6cbe229338808f7b921a23784932021-10-19 21:26:2622 mins ago0x0320e2787d5c62a4a81f219dfb3c5abdf6265362 IN  0x960ea3e3c7fb317332d990873d354e18d76455908.4 ETH0.000753139554 ETH
0x9f99459c115e6ad51d70ad8455a1ac035422abb526c98c892be558d83d7911aa23784012021-10-19 21:20:3428 mins ago0x5c217cc668b5a972f7df0ee87229dab1024028d3 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000973057178 ETH
0xfb308eb955abbbe2e36995093c44694fec7ff8e682c7a2f1ef3c9e0952e6706823782702021-10-19 21:12:5335 mins ago0x3efd3391a0601eaa093647f911c653d77c11e3fd IN  0x960ea3e3c7fb317332d990873d354e18d764559017.5 ETH0.000756247392 ETH
0xeecd6fb6f94283e766e53d28e6d6dc1c378b76f1c1bf14316291c032866debf523774772021-10-19 20:35:371 hr 13 mins ago0x70f3dcce849ecb40a4572a66f36c424fb9cf5186 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000521916238 ETH
0x2e89f19300a84bc25128b1f37a7486d3b614fc2071fb33d5a19260f0039f67f223773572021-10-19 20:30:211 hr 18 mins ago0x70f3dcce849ecb40a4572a66f36c424fb9cf5186 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000533545196 ETH
0x2154e3df758e23ac141a7049911db5165dbe8d0f75fb14f5059996a1f64e375a23772632021-10-19 20:25:311 hr 23 mins ago0x70f3dcce849ecb40a4572a66f36c424fb9cf5186 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000534540975 ETH
0xb76d57a7fb7e5e72516cb7059676949100e718e67ce16d0f8f9ff2c3953fda7523772482021-10-19 20:24:041 hr 24 mins ago0x70f3dcce849ecb40a4572a66f36c424fb9cf5186 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000533545196 ETH
0xf0a45f9a3db63b614cc3fef777263c33b15c335f99d2e1b5fcb3cf0f9b04b2fa23772102021-10-19 20:23:301 hr 25 mins ago0x70f3dcce849ecb40a4572a66f36c424fb9cf5186 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000753185013 ETH
0x7ba0def910d75ecb084800e1a58c1cb0b901d0a3f541e82ed67017cd8472e14023767812021-10-19 20:06:541 hr 41 mins ago0x3c37c0738c273756d508ebef1010a77f9a1bd181 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000730581143 ETH
0x1c15fd1b96d46fd8ccdf34619c1834f6ce1bd1fb5b46ada15a91f05e61728e1f23766332021-10-19 20:01:581 hr 46 mins ago0xed9376094ce37635827e0cfddc23bfbb6d788469 IN  0x960ea3e3c7fb317332d990873d354e18d764559010.05 ETH0.000623448694 ETH
0x9ac42813021ecc3bbfcadf6b7015538a7597d90b269bda2f16143322bd02255923763182021-10-19 19:51:061 hr 57 mins ago0xed9376094ce37635827e0cfddc23bfbb6d788469 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000604927655 ETH
0x597987c4ac4bc036b86b7fc081ea57bbe6658a36984630121fddfed0c6878cbc23762122021-10-19 19:46:102 hrs 2 mins ago0xed9376094ce37635827e0cfddc23bfbb6d788469 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000842588706 ETH
0xbb79178489583cc5a22f010dd7da83b0e4275a0175f3d676d00baf7aaa33608723752852021-10-19 19:11:112 hrs 37 mins ago0x464fd6b8e4dde4352117940a07d7cc93269a77bb IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000986946467 ETH
0xb54f566bbf178bbe9b5892a72d4cfbbf8473335210124c9d97d026102a7163c123734672021-10-19 18:00:283 hrs 48 mins ago0x64959312c01930b8776a81e7775298533630ca12 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000748364266 ETH
0x24d9be5c2c5c35a14394fab70708690d9729878c7db76dc09d489ee3df65acdb23730612021-10-19 17:44:394 hrs 4 mins ago0x2842de96407d4d84915d0af10ad3d56c0092d422 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000552795378 ETH
0x91bd9c80dcd71b720005933bec627ef8fcfc99633a057793525df828910aac5623727892021-10-19 17:32:204 hrs 16 mins ago0x500f6caa3f6b1315bf511dd16c7aafe6b6c8ff44 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000712669362 ETH
0x71de084fa1a8b51a8779b89c194774d04978559f3fca0b8698fdf87fc6357fae23712392021-10-19 16:25:525 hrs 22 mins ago0xa20c29d322fbe5f3edf2f25496e06264bdc1242b IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.00059182709 ETH
0x449e0b4346afa78fd1fb6734afac02b3d393b237288999e296f5812b2f1a0fcb23710522021-10-19 16:17:185 hrs 31 mins ago0x4f38553b0456df282f3e01f5c531fef5ae627afc IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000504893823 ETH
0x52cfa044c08554b8cdb4a330583db50a1ede26cc1f0a6778fac99686906f418223705452021-10-19 15:56:165 hrs 52 mins ago0xa20c29d322fbe5f3edf2f25496e06264bdc1242b IN  0x960ea3e3c7fb317332d990873d354e18d76455905 ETH0.000587411696 ETH
0xaa56fba47831d3ec5350a967461e3b4d692b816d8404671e46e74352d29f8ab923705222021-10-19 15:54:585 hrs 53 mins ago0xd6fb642d550c65e3f8306ced3bfeee1caae0e72b IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000589954656 ETH
0x56d19b2da69ccc8448970f71f2b75e45371823bb95ad295ccae2421fcb9d976923704182021-10-19 15:50:295 hrs 58 mins ago0x48a7714c8a578f7a14bb4456bcbcf2beeeed6d76 IN  0x960ea3e3c7fb317332d990873d354e18d76455903.25 ETH0.000588708697 ETH
0x2a21e15ff57ba9e52d9ed713fd8a704ac1e07c51af62d2402cadac0329b3cbd223702342021-10-19 15:42:046 hrs 6 mins ago0x9a875f6ce282e8009aa9432784f8124067032c99 IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000698870502 ETH
0x004b0db081568fc880f11d34470fe877002f8bf271fc41cd87a05f3691bcf11023694042021-10-19 15:07:566 hrs 40 mins ago0xd6fb642d550c65e3f8306ced3bfeee1caae0e72b IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000533183807 ETH
0xc6c5c0cee0d41af255e524982ef535c95d3465ee9dd83483ae90b936af3ef04623688582021-10-19 14:46:497 hrs 2 mins ago0x819b30644d3356dac1d295b053eca4f61aa7f15b IN  0x960ea3e3c7fb317332d990873d354e18d76455900 ETH0.000700818449 ETH
0x45960fe51cc3cc6eb1f60c4689089ee6232e66cba7f82f7bd8354cc4030aaf5f23681722021-10-19 14:29:357 hrs 19 mins ago0xd6fb642d550c65e3f8306ced3bfeee1caae0e72b IN  0x960ea3e3c7fb317332d990873d354e18d764559011 ETH0.000531206482 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
Vyper_contract

Compiler Version
vyper:0.2.15

Optimization Enabled:
N/A

Other Settings:
, None license

Contract Source Code (Vyper language format)

# @version 0.2.15
# (c) Curve.Fi, 2021
# Pool for USDT/BTC/ETH or similar

interface ERC20:  # Custom ERC20 which works for USDT, WETH and WBTC
    def transfer(_to: address, _amount: uint256): nonpayable
    def transferFrom(_from: address, _to: address, _amount: uint256): nonpayable
    def balanceOf(_user: address) -> uint256: view

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


interface Math:
    def geometric_mean(unsorted_x: uint256[N_COINS]) -> uint256: view
    def reduction_coefficient(x: uint256[N_COINS], fee_gamma: uint256) -> uint256: view
    def newton_D(ANN: uint256, gamma: uint256, x_unsorted: uint256[N_COINS]) -> uint256: view
    def newton_y(ANN: uint256, gamma: uint256, x: uint256[N_COINS], D: uint256, i: uint256) -> uint256: view
    def halfpow(power: uint256, precision: uint256) -> uint256: view
    def sqrt_int(x: uint256) -> uint256: view


interface Views:
    def get_dy(i: uint256, j: uint256, dx: uint256) -> uint256: view
    def calc_token_amount(amounts: uint256[N_COINS], deposit: bool) -> uint256: view


interface WETH:
    def deposit(): payable
    def withdraw(_amount: uint256): nonpayable


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

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

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

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

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

event NewAdmin:
    admin: indexed(address)

event CommitNewParameters:
    deadline: indexed(uint256)
    admin_fee: uint256
    mid_fee: uint256
    out_fee: uint256
    fee_gamma: uint256
    allowed_extra_profit: uint256
    adjustment_step: uint256
    ma_half_time: uint256

event NewParameters:
    admin_fee: uint256
    mid_fee: uint256
    out_fee: uint256
    fee_gamma: uint256
    allowed_extra_profit: uint256
    adjustment_step: uint256
    ma_half_time: uint256

event RampAgamma:
    initial_A: uint256
    future_A: uint256
    initial_gamma: uint256
    future_gamma: uint256
    initial_time: uint256
    future_time: uint256

event StopRampA:
    current_A: uint256
    current_gamma: uint256
    time: uint256

event ClaimAdminFee:
    admin: indexed(address)
    tokens: uint256


N_COINS: constant(int128) = 3  # <- change
PRECISION: constant(uint256) = 10 ** 18  # The precision to convert to
A_MULTIPLIER: constant(uint256) = 10000

# These addresses are replaced by the deployer
math: constant(address) = 0x2F0AF8eC2f5893392843a0F647A30A141dba9DaF
token: constant(address) = 0x8e0B8c8BB9db49a46697F3a5Bb8A308e744821D2
views: constant(address) = 0x48A68C5511DfC355007b7B794890F26653A7bF93
coins: constant(address[N_COINS]) = [
    0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9,
    0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f,
    0x82aF49447D8a07e3bd95BD0d56f35241523fBab1,
]

price_scale_packed: uint256   # Internal price scale
price_oracle_packed: uint256  # Price target given by MA

last_prices_packed: uint256
last_prices_timestamp: public(uint256)

initial_A_gamma: public(uint256)
future_A_gamma: public(uint256)
initial_A_gamma_time: public(uint256)
future_A_gamma_time: public(uint256)

allowed_extra_profit: public(uint256)  # 2 * 10**12 - recommended value
future_allowed_extra_profit: public(uint256)

fee_gamma: public(uint256)
future_fee_gamma: public(uint256)

adjustment_step: public(uint256)
future_adjustment_step: public(uint256)

ma_half_time: public(uint256)
future_ma_half_time: public(uint256)

mid_fee: public(uint256)
out_fee: public(uint256)
admin_fee: public(uint256)
future_mid_fee: public(uint256)
future_out_fee: public(uint256)
future_admin_fee: public(uint256)

balances: public(uint256[N_COINS])
D: public(uint256)

owner: public(address)
future_owner: public(address)

xcp_profit: public(uint256)
xcp_profit_a: public(uint256)  # Full profit at last claim of admin fees
virtual_price: public(uint256)  # Cached (fast to read) virtual price also used internally
not_adjusted: bool

is_killed: public(bool)
kill_deadline: public(uint256)
transfer_ownership_deadline: public(uint256)
admin_actions_deadline: public(uint256)

admin_fee_receiver: public(address)

KILL_DEADLINE_DT: constant(uint256) = 2 * 30 * 86400
ADMIN_ACTIONS_DELAY: constant(uint256) = 3 * 86400
MIN_RAMP_TIME: constant(uint256) = 86400

MAX_ADMIN_FEE: constant(uint256) = 10 * 10 ** 9
MIN_FEE: constant(uint256) = 5 * 10 ** 5  # 0.5 bps
MAX_FEE: constant(uint256) = 10 * 10 ** 9
MAX_A: constant(uint256) = 10000 * A_MULTIPLIER * N_COINS**N_COINS
MAX_A_CHANGE: constant(uint256) = 10
MIN_GAMMA: constant(uint256) = 10**10
MAX_GAMMA: constant(uint256) = 10**16
NOISE_FEE: constant(uint256) = 10**5  # 0.1 bps

PRICE_SIZE: constant(int128) = 256 / (N_COINS-1)
PRICE_MASK: constant(uint256) = 2**PRICE_SIZE - 1

# This must be changed for different N_COINS
# For example:
# N_COINS = 3 -> 1  (10**18 -> 10**18)
# N_COINS = 4 -> 10**8  (10**18 -> 10**10)
# PRICE_PRECISION_MUL: constant(uint256) = 1
PRECISIONS: constant(uint256[N_COINS]) = [
    1000000000000,
    10000000000,
    1,
]

INF_COINS: constant(uint256) = 15


@external
def __init__(
    owner: address,
    admin_fee_receiver: address,
    A: uint256,
    gamma: uint256,
    mid_fee: uint256,
    out_fee: uint256,
    allowed_extra_profit: uint256,
    fee_gamma: uint256,
    adjustment_step: uint256,
    admin_fee: uint256,
    ma_half_time: uint256,
    initial_prices: uint256[N_COINS-1]
):
    self.owner = owner

    # Pack A and gamma:
    # shifted A + gamma
    A_gamma: uint256 = shift(A, 128)
    A_gamma = bitwise_or(A_gamma, gamma)
    self.initial_A_gamma = A_gamma
    self.future_A_gamma = A_gamma

    self.mid_fee = mid_fee
    self.out_fee = out_fee
    self.allowed_extra_profit = allowed_extra_profit
    self.fee_gamma = fee_gamma
    self.adjustment_step = adjustment_step
    self.admin_fee = admin_fee

    # Packing prices
    packed_prices: uint256 = 0
    for k in range(N_COINS-1):
        packed_prices = shift(packed_prices, PRICE_SIZE)
        p: uint256 = initial_prices[N_COINS-2 - k]  # / PRICE_PRECISION_MUL
        assert p < PRICE_MASK
        packed_prices = bitwise_or(p, packed_prices)

    self.price_scale_packed = packed_prices
    self.price_oracle_packed = packed_prices
    self.last_prices_packed = packed_prices
    self.last_prices_timestamp = block.timestamp
    self.ma_half_time = ma_half_time

    self.xcp_profit_a = 10**18

    self.kill_deadline = block.timestamp + KILL_DEADLINE_DT

    self.admin_fee_receiver = admin_fee_receiver


@payable
@external
def __default__():
    pass


@internal
@view
def _packed_view(k: uint256, p: uint256) -> uint256:
    assert k < N_COINS-1
    return bitwise_and(
        shift(p, -PRICE_SIZE * convert(k, int256)),
        PRICE_MASK
    )  # * PRICE_PRECISION_MUL


@external
@view
def price_oracle(k: uint256) -> uint256:
    return self._packed_view(k, self.price_oracle_packed)


@external
@view
def price_scale(k: uint256) -> uint256:
    return self._packed_view(k, self.price_scale_packed)


@external
@view
def last_prices(k: uint256) -> uint256:
    return self._packed_view(k, self.last_prices_packed)


@external
@view
def token() -> address:
    return token


@external
@view
def coins(i: uint256) -> address:
    _coins: address[N_COINS] = coins
    return _coins[i]


@internal
@view
def xp() -> uint256[N_COINS]:
    result: uint256[N_COINS] = self.balances
    packed_prices: uint256 = self.price_scale_packed

    precisions: uint256[N_COINS] = PRECISIONS

    result[0] *= PRECISIONS[0]
    for i in range(1, N_COINS):
        p: uint256 = bitwise_and(packed_prices, PRICE_MASK) * precisions[i]  # * PRICE_PRECISION_MUL
        result[i] = result[i] * p / PRECISION
        packed_prices = shift(packed_prices, -PRICE_SIZE)

    return result


@view
@internal
def _A_gamma() -> uint256[2]:
    t1: uint256 = self.future_A_gamma_time

    A_gamma_1: uint256 = self.future_A_gamma
    gamma1: uint256 = bitwise_and(A_gamma_1, 2**128-1)
    A1: uint256 = shift(A_gamma_1, -128)

    if block.timestamp < t1:
        # handle ramping up and down of A
        A_gamma_0: uint256 = self.initial_A_gamma
        t0: uint256 = self.initial_A_gamma_time

        # Less readable but more compact way of writing and converting to uint256
        # gamma0: uint256 = bitwise_and(A_gamma_0, 2**128-1)
        # A0: uint256 = shift(A_gamma_0, -128)
        # A1 = A0 + (A1 - A0) * (block.timestamp - t0) / (t1 - t0)
        # gamma1 = gamma0 + (gamma1 - gamma0) * (block.timestamp - t0) / (t1 - t0)

        t1 -= t0
        t0 = block.timestamp - t0
        t2: uint256 = t1 - t0

        A1 = (shift(A_gamma_0, -128) * t2 + A1 * t0) / t1
        gamma1 = (bitwise_and(A_gamma_0, 2**128-1) * t2 + gamma1 * t0) / t1

    return [A1, gamma1]


@view
@external
def A() -> uint256:
    return self._A_gamma()[0]


@view
@external
def gamma() -> uint256:
    return self._A_gamma()[1]


@internal
@view
def _fee(xp: uint256[N_COINS]) -> uint256:
    f: uint256 = Math(math).reduction_coefficient(xp, self.fee_gamma)
    return (self.mid_fee * f + self.out_fee * (10**18 - f)) / 10**18


@external
@view
def fee() -> uint256:
    return self._fee(self.xp())


@external
@view
def fee_calc(xp: uint256[N_COINS]) -> uint256:
    return self._fee(xp)


@internal
@view
def get_xcp(D: uint256) -> uint256:
    x: uint256[N_COINS] = empty(uint256[N_COINS])
    x[0] = D / N_COINS
    packed_prices: uint256 = self.price_scale_packed
    # No precisions here because we don't switch to "real" units

    for i in range(1, N_COINS):
        x[i] = D * 10**18 / (N_COINS * bitwise_and(packed_prices, PRICE_MASK))  # ... * PRICE_PRECISION_MUL)
        packed_prices = shift(packed_prices, -PRICE_SIZE)

    return Math(math).geometric_mean(x)


@external
@view
def get_virtual_price() -> uint256:
    return 10**18 * self.get_xcp(self.D) / CurveToken(token).totalSupply()


@internal
def _claim_admin_fees():
    A_gamma: uint256[2] = self._A_gamma()

    xcp_profit: uint256 = self.xcp_profit
    xcp_profit_a: uint256 = self.xcp_profit_a

    # Gulp here
    _coins: address[N_COINS] = coins
    for i in range(N_COINS):
        self.balances[i] = ERC20(_coins[i]).balanceOf(self)

    vprice: uint256 = self.virtual_price

    if xcp_profit > xcp_profit_a:
        fees: uint256 = (xcp_profit - xcp_profit_a) * self.admin_fee / (2 * 10**10)
        if fees > 0:
            receiver: address = self.admin_fee_receiver
            if receiver != ZERO_ADDRESS:
                frac: uint256 = vprice * 10**18 / (vprice - fees) - 10**18
                claimed: uint256 = CurveToken(token).mint_relative(receiver, frac)
                xcp_profit -= fees*2
                self.xcp_profit = xcp_profit
                log ClaimAdminFee(receiver, claimed)

    total_supply: uint256 = CurveToken(token).totalSupply()

    # Recalculate D b/c we gulped
    D: uint256 = Math(math).newton_D(A_gamma[0], A_gamma[1], self.xp())
    self.D = D

    self.virtual_price = 10**18 * self.get_xcp(D) / total_supply

    if xcp_profit > xcp_profit_a:
        self.xcp_profit_a = xcp_profit


@internal
def tweak_price(A_gamma: uint256[2],
                _xp: uint256[N_COINS], i: uint256, p_i: uint256,
                new_D: uint256):
    price_oracle: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
    last_prices: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
    price_scale: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
    xp: uint256[N_COINS] = empty(uint256[N_COINS])
    p_new: uint256[N_COINS-1] = empty(uint256[N_COINS-1])

    # Update MA if needed
    packed_prices: uint256 = self.price_oracle_packed
    for k in range(N_COINS-1):
        price_oracle[k] = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
        packed_prices = shift(packed_prices, -PRICE_SIZE)

    last_prices_timestamp: uint256 = self.last_prices_timestamp
    packed_prices = self.last_prices_packed
    for k in range(N_COINS-1):
        last_prices[k] = bitwise_and(packed_prices, PRICE_MASK)   # * PRICE_PRECISION_MUL
        packed_prices = shift(packed_prices, -PRICE_SIZE)

    if last_prices_timestamp < block.timestamp:
        # MA update required
        ma_half_time: uint256 = self.ma_half_time
        alpha: uint256 = Math(math).halfpow((block.timestamp - last_prices_timestamp) * 10**18 / ma_half_time, 10**10)
        packed_prices = 0
        for k in range(N_COINS-1):
            price_oracle[k] = (last_prices[k] * (10**18 - alpha) + price_oracle[k] * alpha) / 10**18
        for k in range(N_COINS-1):
            packed_prices = shift(packed_prices, PRICE_SIZE)
            p: uint256 = price_oracle[N_COINS-2 - k]  # / PRICE_PRECISION_MUL
            assert p < PRICE_MASK
            packed_prices = bitwise_or(p, packed_prices)
        self.price_oracle_packed = packed_prices
        self.last_prices_timestamp = block.timestamp

    D_unadjusted: uint256 = new_D  # Withdrawal methods know new D already
    if new_D == 0:
        # We will need this a few times (35k gas)
        D_unadjusted = Math(math).newton_D(A_gamma[0], A_gamma[1], _xp)
    packed_prices = self.price_scale_packed
    for k in range(N_COINS-1):
        price_scale[k] = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
        packed_prices = shift(packed_prices, -PRICE_SIZE)

    if p_i > 0:
        # Save the last price
        if i > 0:
            last_prices[i-1] = p_i
        else:
            # If 0th price changed - change all prices instead
            for k in range(N_COINS-1):
                last_prices[k] = last_prices[k] * 10**18 / p_i
    else:
        # calculate real prices
        # it would cost 70k gas for a 3-token pool. Sad. How do we do better?
        __xp: uint256[N_COINS] = _xp
        dx_price: uint256 = __xp[0] / 10**6
        __xp[0] += dx_price
        for k in range(N_COINS-1):
            last_prices[k] = price_scale[k] * dx_price / (_xp[k+1] - Math(math).newton_y(A_gamma[0], A_gamma[1], __xp, D_unadjusted, k+1))

    packed_prices = 0
    for k in range(N_COINS-1):
        packed_prices = shift(packed_prices, PRICE_SIZE)
        p: uint256 = last_prices[N_COINS-2 - k]  # / PRICE_PRECISION_MUL
        assert p < PRICE_MASK
        packed_prices = bitwise_or(p, packed_prices)
    self.last_prices_packed = packed_prices

    total_supply: uint256 = CurveToken(token).totalSupply()
    old_xcp_profit: uint256 = self.xcp_profit
    old_virtual_price: uint256 = self.virtual_price

    # Update profit numbers without price adjustment first
    xp[0] = D_unadjusted / N_COINS
    for k in range(N_COINS-1):
        xp[k+1] = D_unadjusted * 10**18 / (N_COINS * price_scale[k])
    xcp_profit: uint256 = 10**18
    virtual_price: uint256 = 10**18

    if old_virtual_price > 0:
        xcp: uint256 = Math(math).geometric_mean(xp)
        virtual_price = 10**18 * xcp / total_supply
        xcp_profit = old_xcp_profit * virtual_price / old_virtual_price

        t: uint256 = self.future_A_gamma_time
        if virtual_price < old_virtual_price and t == 0:
            raise "Loss"
        if t == 1:
            self.future_A_gamma_time = 0

    self.xcp_profit = xcp_profit

    needs_adjustment: bool = self.not_adjusted
    # if not needs_adjustment and (virtual_price-10**18 > (xcp_profit-10**18)/2 + self.allowed_extra_profit):
    # (re-arrange for gas efficiency)
    if not needs_adjustment and (virtual_price * 2 - 10**18 > xcp_profit + 2*self.allowed_extra_profit):
        needs_adjustment = True
        self.not_adjusted = True

    if needs_adjustment:
        adjustment_step: uint256 = self.adjustment_step
        norm: uint256 = 0

        for k in range(N_COINS-1):
            ratio: uint256 = price_oracle[k] * 10**18 / price_scale[k]
            if ratio > 10**18:
                ratio -= 10**18
            else:
                ratio = 10**18 - ratio
            norm += ratio**2

        if norm > adjustment_step ** 2 and old_virtual_price > 0:
            norm = Math(math).sqrt_int(norm / 10**18)  # Need to convert to 1e18 units!

            for k in range(N_COINS-1):
                p_new[k] = (price_scale[k] * (norm - adjustment_step) + adjustment_step * price_oracle[k]) / norm

            # Calculate balances*prices
            xp = _xp
            for k in range(N_COINS-1):
                xp[k+1] = _xp[k+1] * p_new[k] / price_scale[k]

            # Calculate "extended constant product" invariant xCP and virtual price
            D: uint256 = Math(math).newton_D(A_gamma[0], A_gamma[1], xp)
            xp[0] = D / N_COINS
            for k in range(N_COINS-1):
                xp[k+1] = D * 10**18 / (N_COINS * p_new[k])
            # We reuse old_virtual_price here but it's not old anymore
            old_virtual_price = 10**18 * Math(math).geometric_mean(xp) / total_supply

            # Proceed if we've got enough profit
            # if (old_virtual_price > 10**18) and (2 * (old_virtual_price - 10**18) > xcp_profit - 10**18):
            if (old_virtual_price > 10**18) and (2 * old_virtual_price - 10**18 > xcp_profit):
                packed_prices = 0
                for k in range(N_COINS-1):
                    packed_prices = shift(packed_prices, PRICE_SIZE)
                    p: uint256 = p_new[N_COINS-2 - k]  # / PRICE_PRECISION_MUL
                    assert p < PRICE_MASK
                    packed_prices = bitwise_or(p, packed_prices)
                self.price_scale_packed = packed_prices
                self.D = D
                self.virtual_price = old_virtual_price

                return

            else:
                self.not_adjusted = False

    # If we are here, the price_scale adjustment did not happen
    # Still need to update the profit counter and D
    self.D = D_unadjusted
    self.virtual_price = virtual_price



@payable
@external
@nonreentrant('lock')
def exchange(i: uint256, j: uint256, dx: uint256, min_dy: uint256, use_eth: bool = False):
    assert not self.is_killed  # dev: the pool is killed
    assert i != j  # dev: coin index out of range
    assert i < N_COINS  # dev: coin index out of range
    assert j < N_COINS  # dev: coin index out of range
    assert dx > 0  # dev: do not exchange 0 coins

    A_gamma: uint256[2] = self._A_gamma()
    xp: uint256[N_COINS] = self.balances
    ix: uint256 = j
    p: uint256 = 0
    dy: uint256 = 0

    if True:  # scope to reduce size of memory when making internal calls later
        _coins: address[N_COINS] = coins
        if i == 2 and use_eth:
            assert msg.value == dx  # dev: incorrect eth amount
            WETH(coins[2]).deposit(value=msg.value)
        else:
            assert msg.value == 0  # dev: nonzero eth amount
            # assert might be needed for some tokens - removed one to save bytespace
            ERC20(_coins[i]).transferFrom(msg.sender, self, dx)

        y: uint256 = xp[j]
        x0: uint256 = xp[i]
        xp[i] = x0 + dx
        self.balances[i] = xp[i]

        price_scale: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
        packed_prices: uint256 = self.price_scale_packed
        for k in range(N_COINS-1):
            price_scale[k] = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
            packed_prices = shift(packed_prices, -PRICE_SIZE)

        precisions: uint256[N_COINS] = PRECISIONS
        xp[0] *= PRECISIONS[0]
        for k in range(1, N_COINS):
            xp[k] = xp[k] * price_scale[k-1] * precisions[k] / PRECISION

        prec_i: uint256 = precisions[i]

        # In case ramp is happening
        if True:
            t: uint256 = self.future_A_gamma_time
            if t > 0:
                x0 *= prec_i
                if i > 0:
                    x0 = x0 * price_scale[i-1] / PRECISION
                x1: uint256 = xp[i]  # Back up old value in xp
                xp[i] = x0
                self.D = Math(math).newton_D(A_gamma[0], A_gamma[1], xp)
                xp[i] = x1  # And restore
                if block.timestamp >= t:
                    self.future_A_gamma_time = 1

        prec_j: uint256 = precisions[j]

        dy = xp[j] - Math(math).newton_y(A_gamma[0], A_gamma[1], xp, self.D, j)
        # Not defining new "y" here to have less variables / make subsequent calls cheaper
        xp[j] -= dy
        dy -= 1

        if j > 0:
            dy = dy * PRECISION / price_scale[j-1]
        dy /= prec_j

        dy -= self._fee(xp) * dy / 10**10
        assert dy >= min_dy, "Slippage"
        y -= dy

        self.balances[j] = y
        # assert might be needed for some tokens - removed one to save bytespace
        if j == 2 and use_eth:
            WETH(coins[2]).withdraw(dy)
            raw_call(msg.sender, b"", value=dy)
        else:
            ERC20(_coins[j]).transfer(msg.sender, dy)

        y *= prec_j
        if j > 0:
            y = y * price_scale[j-1] / PRECISION
        xp[j] = y

        # Calculate price
        if dx > 10**5 and dy > 10**5:
            _dx: uint256 = dx * prec_i
            _dy: uint256 = dy * prec_j
            if i != 0 and j != 0:
                p = bitwise_and(
                    shift(self.last_prices_packed, -PRICE_SIZE * convert(i-1, int256)),
                    PRICE_MASK
                ) * _dx / _dy  # * PRICE_PRECISION_MUL
            elif i == 0:
                p = _dx * 10**18 / _dy
            else:  # j == 0
                p = _dy * 10**18 / _dx
                ix = i

    self.tweak_price(A_gamma, xp, ix, p, 0)

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


@external
@view
def get_dy(i: uint256, j: uint256, dx: uint256) -> uint256:
    return Views(views).get_dy(i, j, dx)


@view
@internal
def _calc_token_fee(amounts: uint256[N_COINS], xp: uint256[N_COINS]) -> uint256:
    # fee = sum(amounts_i - avg(amounts)) * fee' / sum(amounts)
    fee: uint256 = self._fee(xp) * N_COINS / (4 * (N_COINS-1))
    S: uint256 = 0
    for _x in amounts:
        S += _x
    avg: uint256 = S / N_COINS
    Sdiff: uint256 = 0
    for _x in amounts:
        if _x > avg:
            Sdiff += _x - avg
        else:
            Sdiff += avg - _x
    return fee * Sdiff / S + NOISE_FEE


@external
@view
def calc_token_fee(amounts: uint256[N_COINS], xp: uint256[N_COINS]) -> uint256:
    return self._calc_token_fee(amounts, xp)


@external
@nonreentrant('lock')
def add_liquidity(amounts: uint256[N_COINS], min_mint_amount: uint256):
    assert not self.is_killed  # dev: the pool is killed

    A_gamma: uint256[2] = self._A_gamma()

    _coins: address[N_COINS] = coins

    xp: uint256[N_COINS] = self.balances
    amountsp: uint256[N_COINS] = empty(uint256[N_COINS])
    xx: uint256[N_COINS] = empty(uint256[N_COINS])
    d_token: uint256 = 0
    d_token_fee: uint256 = 0
    old_D: uint256 = 0
    ix: uint256 = INF_COINS

    if True:  # Scope to avoid having extra variables in memory later
        xp_old: uint256[N_COINS] = xp

        for i in range(N_COINS):
            bal: uint256 = xp[i] + amounts[i]
            xp[i] = bal
            self.balances[i] = bal
        xx = xp

        precisions: uint256[N_COINS] = PRECISIONS
        packed_prices: uint256 = self.price_scale_packed
        xp[0] *= PRECISIONS[0]
        xp_old[0] *= PRECISIONS[0]
        for i in range(1, N_COINS):
            price_scale: uint256 = bitwise_and(packed_prices, PRICE_MASK) * precisions[i]  # * PRICE_PRECISION_MUL
            xp[i] = xp[i] * price_scale / PRECISION
            xp_old[i] = xp_old[i] * price_scale / PRECISION
            packed_prices = shift(packed_prices, -PRICE_SIZE)

        for i in range(N_COINS):
            if amounts[i] > 0:
                # assert might be needed for some tokens - removed one to save bytespace
                ERC20(_coins[i]).transferFrom(msg.sender, self, amounts[i])
                amountsp[i] = xp[i] - xp_old[i]
                if ix == INF_COINS:
                    ix = i
                else:
                    ix = INF_COINS-1
        assert ix != INF_COINS  # dev: no coins to add

        t: uint256 = self.future_A_gamma_time
        if t > 0:
            old_D = Math(math).newton_D(A_gamma[0], A_gamma[1], xp_old)
            if block.timestamp >= t:
                self.future_A_gamma_time = 1
        else:
            old_D = self.D

    D: uint256 = Math(math).newton_D(A_gamma[0], A_gamma[1], xp)

    token_supply: uint256 = CurveToken(token).totalSupply()
    if old_D > 0:
        d_token = token_supply * D / old_D - token_supply
    else:
        d_token = self.get_xcp(D)  # making initial virtual price equal to 1
    assert d_token > 0  # dev: nothing minted

    if old_D > 0:
        d_token_fee = self._calc_token_fee(amountsp, xp) * d_token / 10**10 + 1
        d_token -= d_token_fee
        token_supply += d_token
        CurveToken(token).mint(msg.sender, d_token)

        # Calculate price
        # p_i * (dx_i - dtoken / token_supply * xx_i) = sum{k!=i}(p_k * (dtoken / token_supply * xx_k - dx_k))
        # Only ix is nonzero
        p: uint256 = 0
        if d_token > 10**5:
            if ix < N_COINS:
                S: uint256 = 0
                last_prices: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
                packed_prices: uint256 = self.last_prices_packed
                precisions: uint256[N_COINS] = PRECISIONS
                for k in range(N_COINS-1):
                    last_prices[k] = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
                    packed_prices = shift(packed_prices, -PRICE_SIZE)
                for i in range(N_COINS):
                    if i != ix:
                        if i == 0:
                            S += xx[0] * PRECISIONS[0]
                        else:
                            S += xx[i] * last_prices[i-1] * precisions[i] / PRECISION
                S = S * d_token / token_supply
                p = S * PRECISION / (amounts[ix] * precisions[ix] - d_token * xx[ix] * precisions[ix] / token_supply)

        self.tweak_price(A_gamma, xp, ix, p, D)

    else:
        self.D = D
        self.virtual_price = 10**18
        self.xcp_profit = 10**18
        CurveToken(token).mint(msg.sender, d_token)

    assert d_token >= min_mint_amount, "Slippage"

    log AddLiquidity(msg.sender, amounts, d_token_fee, token_supply)


@external
@nonreentrant('lock')
def remove_liquidity(_amount: uint256, min_amounts: uint256[N_COINS]):
    """
    This withdrawal method is very safe, does no complex math
    """
    _coins: address[N_COINS] = coins
    total_supply: uint256 = CurveToken(token).totalSupply()
    CurveToken(token).burnFrom(msg.sender, _amount)
    balances: uint256[N_COINS] = self.balances
    amount: uint256 = _amount - 1  # Make rounding errors favoring other LPs a tiny bit

    for i in range(N_COINS):
        d_balance: uint256 = balances[i] * amount / total_supply
        assert d_balance >= min_amounts[i]
        self.balances[i] = balances[i] - d_balance
        balances[i] = d_balance  # now it's the amounts going out
        # assert might be needed for some tokens - removed one to save bytespace
        ERC20(_coins[i]).transfer(msg.sender, d_balance)

    D: uint256 = self.D
    self.D = D - D * amount / total_supply

    log RemoveLiquidity(msg.sender, balances, total_supply - _amount)


@view
@external
def calc_token_amount(amounts: uint256[N_COINS], deposit: bool) -> uint256:
    return Views(views).calc_token_amount(amounts, deposit)


@internal
@view
def _calc_withdraw_one_coin(A_gamma: uint256[2], token_amount: uint256, i: uint256, update_D: bool,
                            calc_price: bool) -> (uint256, uint256, uint256, uint256[N_COINS]):
    token_supply: uint256 = CurveToken(token).totalSupply()
    assert token_amount <= token_supply  # dev: token amount more than supply
    assert i < N_COINS  # dev: coin out of range

    xx: uint256[N_COINS] = self.balances
    xp: uint256[N_COINS] = PRECISIONS
    D0: uint256 = 0

    price_scale_i: uint256 = PRECISION * PRECISIONS[0]
    if True:  # To remove packed_prices from memory
        packed_prices: uint256 = self.price_scale_packed
        xp[0] *= xx[0]
        for k in range(1, N_COINS):
            p: uint256 = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
            if i == k:
                price_scale_i = p * xp[i]
            xp[k] = xp[k] * xx[k] * p / PRECISION
            packed_prices = shift(packed_prices, -PRICE_SIZE)

    if update_D:
        D0 = Math(math).newton_D(A_gamma[0], A_gamma[1], xp)
    else:
        D0 = self.D

    D: uint256 = D0

    # Charge the fee on D, not on y, e.g. reducing invariant LESS than charging the user
    fee: uint256 = self._fee(xp)
    dD: uint256 = token_amount * D / token_supply
    D -= (dD - (fee * dD / (2 * 10**10) + 1))
    y: uint256 = Math(math).newton_y(A_gamma[0], A_gamma[1], xp, D, i)
    dy: uint256 = (xp[i] - y) * PRECISION / price_scale_i
    xp[i] = y

    # Price calc
    p: uint256 = 0
    if calc_price and dy > 10**5 and token_amount > 10**5:
        # p_i = dD / D0 * sum'(p_k * x_k) / (dy - dD / D0 * y0)
        S: uint256 = 0
        precisions: uint256[N_COINS] = PRECISIONS
        last_prices: uint256[N_COINS-1] = empty(uint256[N_COINS-1])
        packed_prices: uint256 = self.last_prices_packed
        for k in range(N_COINS-1):
            last_prices[k] = bitwise_and(packed_prices, PRICE_MASK)  # * PRICE_PRECISION_MUL
            packed_prices = shift(packed_prices, -PRICE_SIZE)
        for k in range(N_COINS):
            if k != i:
                if k == 0:
                    S += xx[0] * PRECISIONS[0]
                else:
                    S += xx[k] * last_prices[k-1] * precisions[k] / PRECISION
        S = S * dD / D0
        p = S * PRECISION / (dy * precisions[i] - dD * xx[i] * precisions[i] / D0)

    return dy, p, D, xp


@view
@external
def calc_withdraw_one_coin(token_amount: uint256, i: uint256) -> uint256:
    return self._calc_withdraw_one_coin(self._A_gamma(), token_amount, i, True, False)[0]


@external
@nonreentrant('lock')
def remove_liquidity_one_coin(token_amount: uint256, i: uint256, min_amount: uint256):
    assert not self.is_killed  # dev: the pool is killed

    A_gamma: uint256[2] = self._A_gamma()

    dy: uint256 = 0
    D: uint256 = 0
    p: uint256 = 0
    xp: uint256[N_COINS] = empty(uint256[N_COINS])
    future_A_gamma_time: uint256 = self.future_A_gamma_time
    dy, p, D, xp = self._calc_withdraw_one_coin(A_gamma, token_amount, i, (future_A_gamma_time > 0), True)
    assert dy >= min_amount, "Slippage"

    if block.timestamp >= future_A_gamma_time:
        self.future_A_gamma_time = 1

    self.balances[i] -= dy
    CurveToken(token).burnFrom(msg.sender, token_amount)
    self.tweak_price(A_gamma, xp, i, p, D)

    _coins: address[N_COINS] = coins
    # assert might be needed for some tokens - removed one to save bytespace
    ERC20(_coins[i]).transfer(msg.sender, dy)

    log RemoveLiquidityOne(msg.sender, token_amount, i, dy)


@external
@nonreentrant('lock')
def claim_admin_fees():
    self._claim_admin_fees()


# Admin parameters
@external
def ramp_A_gamma(future_A: uint256, future_gamma: uint256, future_time: uint256):
    assert msg.sender == self.owner  # dev: only owner
    assert block.timestamp > self.initial_A_gamma_time + (MIN_RAMP_TIME-1)
    assert future_time > block.timestamp + (MIN_RAMP_TIME-1)  # dev: insufficient time

    A_gamma: uint256[2] = self._A_gamma()
    initial_A_gamma: uint256 = shift(A_gamma[0], 128)
    initial_A_gamma = bitwise_or(initial_A_gamma, A_gamma[1])

    assert future_A > 0
    assert future_A < MAX_A+1
    assert future_gamma > MIN_GAMMA-1
    assert future_gamma < MAX_GAMMA+1

    ratio: uint256 = 10**18 * future_A / A_gamma[0]
    assert ratio < 10**18 * MAX_A_CHANGE + 1
    assert ratio > 10**18 / MAX_A_CHANGE - 1

    ratio = 10**18 * future_gamma / A_gamma[1]
    assert ratio < 10**18 * MAX_A_CHANGE + 1
    assert ratio > 10**18 / MAX_A_CHANGE - 1

    self.initial_A_gamma = initial_A_gamma
    self.initial_A_gamma_time = block.timestamp

    future_A_gamma: uint256 = shift(future_A, 128)
    future_A_gamma = bitwise_or(future_A_gamma, future_gamma)
    self.future_A_gamma_time = future_time
    self.future_A_gamma = future_A_gamma

    log RampAgamma(A_gamma[0], future_A, A_gamma[1], future_gamma, block.timestamp, future_time)


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

    A_gamma: uint256[2] = self._A_gamma()
    current_A_gamma: uint256 = shift(A_gamma[0], 128)
    current_A_gamma = bitwise_or(current_A_gamma, A_gamma[1])
    self.initial_A_gamma = current_A_gamma
    self.future_A_gamma = current_A_gamma
    self.initial_A_gamma_time = block.timestamp
    self.future_A_gamma_time = block.timestamp
    # now (block.timestamp < t1) is always False, so we return saved A

    log StopRampA(A_gamma[0], A_gamma[1], block.timestamp)


@external
def commit_new_parameters(
    _new_mid_fee: uint256,
    _new_out_fee: uint256,
    _new_admin_fee: uint256,
    _new_fee_gamma: uint256,
    _new_allowed_extra_profit: uint256,
    _new_adjustment_step: uint256,
    _new_ma_half_time: uint256,
    ):
    assert msg.sender == self.owner  # dev: only owner
    assert self.admin_actions_deadline == 0  # dev: active action

    new_mid_fee: uint256 = _new_mid_fee
    new_out_fee: uint256 = _new_out_fee
    new_admin_fee: uint256 = _new_admin_fee
    new_fee_gamma: uint256 = _new_fee_gamma
    new_allowed_extra_profit: uint256 = _new_allowed_extra_profit
    new_adjustment_step: uint256 = _new_adjustment_step
    new_ma_half_time: uint256 = _new_ma_half_time

    # Fees
    if new_out_fee < MAX_FEE+1:
        assert new_out_fee > MIN_FEE-1  # dev: fee is out of range
    else:
        new_out_fee = self.out_fee
    if new_mid_fee > MAX_FEE:
        new_mid_fee = self.mid_fee
    assert new_mid_fee <= new_out_fee  # dev: mid-fee is too high
    if new_admin_fee > MAX_ADMIN_FEE:
        new_admin_fee = self.admin_fee

    # AMM parameters
    if new_fee_gamma < 10**18:
        assert new_fee_gamma > 0  # dev: fee_gamma out of range [1 .. 10**18]
    else:
        new_fee_gamma = self.fee_gamma
    if new_allowed_extra_profit > 10**18:
        new_allowed_extra_profit = self.allowed_extra_profit
    if new_adjustment_step > 10**18:
        new_adjustment_step = self.adjustment_step

    # MA
    if new_ma_half_time < 7*86400:
        assert new_ma_half_time > 0  # dev: MA time should be longer than 1 second
    else:
        new_ma_half_time = self.ma_half_time

    _deadline: uint256 = block.timestamp + ADMIN_ACTIONS_DELAY
    self.admin_actions_deadline = _deadline

    self.future_admin_fee = new_admin_fee
    self.future_mid_fee = new_mid_fee
    self.future_out_fee = new_out_fee
    self.future_fee_gamma = new_fee_gamma
    self.future_allowed_extra_profit = new_allowed_extra_profit
    self.future_adjustment_step = new_adjustment_step
    self.future_ma_half_time = new_ma_half_time

    log CommitNewParameters(_deadline, new_admin_fee, new_mid_fee, new_out_fee,
                            new_fee_gamma,
                            new_allowed_extra_profit, new_adjustment_step,
                            new_ma_half_time)


@external
@nonreentrant('lock')
def apply_new_parameters():
    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

    admin_fee: uint256 = self.future_admin_fee
    if self.admin_fee != admin_fee:
        self._claim_admin_fees()
        self.admin_fee = admin_fee

    mid_fee: uint256 = self.future_mid_fee
    self.mid_fee = mid_fee
    out_fee: uint256 = self.future_out_fee
    self.out_fee = out_fee
    fee_gamma: uint256 = self.future_fee_gamma
    self.fee_gamma = fee_gamma
    allowed_extra_profit: uint256 = self.future_allowed_extra_profit
    self.allowed_extra_profit = allowed_extra_profit
    adjustment_step: uint256 = self.future_adjustment_step
    self.adjustment_step = adjustment_step
    ma_half_time: uint256 = self.future_ma_half_time
    self.ma_half_time = ma_half_time

    log NewParameters(admin_fee, mid_fee, out_fee,
                      fee_gamma,
                      allowed_extra_profit, adjustment_step,
                      ma_half_time)


@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
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
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


@external
def set_admin_fee_receiver(_admin_fee_receiver: address):
    assert msg.sender == self.owner  # dev: only owner
    self.admin_fee_receiver = _admin_fee_receiver

Contract ABI

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0000000000000001d1a94a20000000000000000000000000000000000000000000000000000001c6bf526340000000000000000000000000000000000000000000000000000001bda703f0a000000000000000000000000000000000000000000000000000000000012a05f200000000000000000000000000000000000000000000000000000000000000025800000000000000000000000000000000000000000000097c49a087376f8000000000000000000000000000000000000000000000000000afa8322227a2400000

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

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

-----Decoded View---------------
Arg [0] : owner (address): 0xbabe61887f1de2713c6f97e567623453d3c79f67
Arg [1] : admin_fee_receiver (address): 0x0000000000000000000000000000000000000000
Arg [2] : A (uint256): 540000
Arg [3] : gamma (uint256): 21000000000000
Arg [4] : mid_fee (uint256): 11000000
Arg [5] : out_fee (uint256): 45000000
Arg [6] : allowed_extra_profit (uint256): 2000000000000
Arg [7] : fee_gamma (uint256): 500000000000000
Arg [8] : adjustment_step (uint256): 490000000000000
Arg [9] : admin_fee (uint256): 5000000000
Arg [10] : ma_half_time (uint256): 600
Arg [11] : initial_prices (uint256[2]): 44793999999999997378560,3240300000000000131072

-----Encoded View---------------
13 Constructor Arguments found :
Arg [0] : 000000000000000000000000babe61887f1de2713c6f97e567623453d3c79f67
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [2] : 0000000000000000000000000000000000000000000000000000000000083d60
Arg [3] : 00000000000000000000000000000000000000000000000000001319718a5000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000a7d8c0
Arg [5] : 0000000000000000000000000000000000000000000000000000000002aea540
Arg [6] : 000000000000000000000000000000000000000000000000000001d1a94a2000
Arg [7] : 0000000000000000000000000000000000000000000000000001c6bf52634000
Arg [8] : 0000000000000000000000000000000000000000000000000001bda703f0a000
Arg [9] : 000000000000000000000000000000000000000000000000000000012a05f200
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000258
Arg [11] : 00000000000000000000000000000000000000000000097c49a087376f800000
Arg [12] : 0000000000000000000000000000000000000000000000afa8322227a2400000


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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