Contract 0x27E611FD27b276ACbd5Ffd632E5eAEBEC9761E40 3

Txn Hash Method
Block
From
To
Value [Txn Fee]
0x03882259ca4cd0d39b5ba145729d7d04234489b5df2b2734a30925a78828fe7dRemove_liquidity...196860062021-10-21 15:50:491 min ago0x04c89b6513400df610c062f09bc243a743f34fd9 IN  Curve: 2pool0 FTM0.024426300903
0x91758111e291f7642d0dbc67f1b45c5f67506a192ffa1481d53a02d36cc1cb90Approve196858242021-10-21 15:48:064 mins ago0x10534d4e612071e6b6480c498dd8bdb8f51b9ed7 IN  Curve: 2pool0 FTM0.013149346721
0x7cd2fe7803ae9ec38f6a8ac19658e1f2becf70eafa4615c13311e7702cc7f8c2Add_liquidity196858122021-10-21 15:47:554 mins ago0x10534d4e612071e6b6480c498dd8bdb8f51b9ed7 IN  Curve: 2pool0 FTM0.031187446118
0x692b646deff996b7291497c380f2ad0556f87853c1f23eaeb5d0d674a8183e77Remove_liquidity...196849332021-10-21 15:33:0519 mins ago0x786e43d68812fadc1d138d5ed6895d7f76308ad8 IN  Curve: 2pool0 FTM0.017040571986
0x26c227b619a400bf6d5990da8fa92d30ab50b30acbcec43ceaa3164929ee64bbRemove_liquidity...196848532021-10-21 15:31:0621 mins ago0xd111b37e1232d51149f62ed69f4dcd2976dcbc6f IN  Curve: 2pool0 FTM0.024498
0xc92a42bc35f7f73bcc6b752c3cd42774bf4f689ba574a692b9511df4412fcbe6Exchange196847492021-10-21 15:28:2023 mins ago0x27782c37f6a80b6c841c352fc2fd5972655eaceb IN  Curve: 2pool0 FTM0.021671917967
0x914ac1a6321f6dc39cd0609862009e2019fd0b71c33d442cba0c4777485458c1Remove_liquidity196847222021-10-21 15:27:3924 mins ago0x933258bddd49beeca77f6d1889633c5429af45ea IN  Curve: 2pool0 FTM0.01956706178
0x487fc24dd9aa19b545fd4c5bbb8c7b7e62080ccbbe3f41ff7dac174dac2ac284Exchange196840462021-10-21 15:13:5538 mins ago0x5d0ac389c669d6efe3ba96b9878d8156f180c539 IN  Curve: 2pool0 FTM0.024484904752
0xf67611eb13a38be1248209ec0260ddf0aa13537784a615b82c6284017f372bd7Exchange196839862021-10-21 15:13:0139 mins ago0xbdb21e816e455e1642dbe8cef6668a62e180657b IN  Curve: 2pool0 FTM0.023513525289
0x1dc6e518665f436b34fa8e5bb816198e83bd17561fe7d72ecbe90ce824a10127Exchange196836082021-10-21 15:05:5446 mins ago0xb92f1a40aade2f9dd011136a25da3f173b44ae76 IN  Curve: 2pool0 FTM0.02071545
0x9ec060abe51146ecbf1c22960cac4f4fecd4d7bdf565333cd37a9d2dd3d1716aRemove_liquidity196832362021-10-21 14:57:5254 mins ago0x8cbf38fc60dd7667ff474c4c23bfcfff023cdf7d IN  Curve: 2pool0 FTM0.007994760183
0x99564821ec361390a684f22a75b0c8395bdbd5e83ef8891ac12f54dc6175cd84Remove_liquidity...196832342021-10-21 14:57:4754 mins ago0xed5456c84812168584e45a83e8571a5a15485829 IN  Curve: 2pool0 FTM0.015695038974
0xb478d59965e3eb85049021de1fadfa9984ae4480bfe2353f1bff3f65ce918778Remove_liquidity196831292021-10-21 14:55:1457 mins ago0x8cbf38fc60dd7667ff474c4c23bfcfff023cdf7d IN  Curve: 2pool0 FTM0.01163518072
0xf4eec57d32d2d65c6f3efe57074a5ecf34c6169029e1aaea416c5ad5a9633658Remove_liquidity196828832021-10-21 14:51:141 hr 1 min ago0x498dc1bf70d3ac4599f1826d5a8fd3932ce52886 IN  Curve: 2pool0 FTM0.024008249732
0x3f129ba398db8c8b9fc0eba6d101fada283b318256f9b6d139506acec165de96Add_liquidity196821192021-10-21 14:39:471 hr 12 mins ago0x3c5399e495eedf5234a7a8f295049241ee6004fa IN  Curve: 2pool0 FTM0.026189188977
0x9c375992b5ffb6331797794dad2205592f67ac514909d3876ffb5c1b69927053Remove_liquidity196819262021-10-21 14:35:551 hr 16 mins ago0x96f311021e3e707eba6dca46728bb0764ab1f6b4 IN  Curve: 2pool0 FTM0.019661875792
0x8a70e05f698fb45ad56f6c815b94c9c71614f26d669414cfc616f07a0210ea54Add_liquidity196816692021-10-21 14:31:031 hr 21 mins ago0xbfa4d296e419cb37d11b75faeaaf25b8a4d81655 IN  Curve: 2pool0 FTM0.028408251493
0x3cedd77d09e1c65b5a44ef3337edb2da03007de6ce05cc7dcfb69cef53f0c10dAdd_liquidity196815052021-10-21 14:27:461 hr 24 mins ago0x64783d4a88318ae43bfdfe8d6178c454456b40b0 IN  Curve: 2pool0 FTM0.02453765763
0xde03b84c03ab20b7f37b4dfd8a4c34fb99e513159bcd0c029bb411f9d8ed36a0Remove_liquidity196811832021-10-21 14:21:321 hr 30 mins ago0xb83c5eca67940e752a4e9e048fe74906e5de6e7e IN  Curve: 2pool0 FTM0.01874896
0x3f72566c892a6203978b3766180c2cb74e335be53dabc7da5c05b7a9dc35dbf7Add_liquidity196810072021-10-21 14:18:521 hr 33 mins ago0x619440b2f5964cc6f854728e7e180414599fb883 IN  Curve: 2pool0 FTM0.024907856371
0x7075b64acedf1dd85453d25346ef2efab28b17cd9dccf9b2a5de3d704a94f492Add_liquidity196809412021-10-21 14:17:401 hr 34 mins ago0xe8633fde54a1caabdf1126e7ddb7908a3711f9c0 IN  Curve: 2pool0 FTM0.027048147822
0x6d4154cefeb9bb8773454814b3ab7a7cfcd58677e594be76899b6685c61cb9e5Exchange196809412021-10-21 14:17:401 hr 34 mins ago0x27782c37f6a80b6c841c352fc2fd5972655eaceb IN  Curve: 2pool0 FTM0.022421258798
0x4c61833099c67ea95d630d1d8d8e201fc208e09894305101445fccdbf0473b1eRemove_liquidity...196808792021-10-21 14:16:411 hr 35 mins ago0xc2a091bb852ce978d9d6c84151092060f34c4a43 IN  Curve: 2pool0 FTM0.016441558395
0xb1cfcc20ea80b95032d15e04b85a0820834268be853b079b8843050f0055fe15Exchange196805112021-10-21 14:10:361 hr 41 mins ago0x68c4b50bd08cc63eea74dc602ed31ac501689427 IN  Curve: 2pool0 FTM0.023380969775
0x768d0f10de2811f84b79036f61aebc06ba1d4daae76a55eddbdace9c8ccef5e8Remove_liquidity...196800762021-10-21 14:04:101 hr 48 mins ago0xdf2ba6bf1d1a2347b28d2e5869c338aebd8dae3b IN  Curve: 2pool0 FTM0.017770244908
[ Download CSV Export 
Latest 1 internal transaction
Parent Txn Hash Block From To Value
0xdd432d932cdd32bc56383034da821139d99f7048e869aa776e047e3fea2403f623209092021-02-20 18:18:52242 days 21 hrs ago Fantom: Deployer  Contract Creation0 FTM
[ Download CSV Export 
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
Vyper_contract

Compiler Version
vyper:0.2.7

Optimization Enabled:
N/A

Other Settings:
, None license

Contract Source Code (Vyper language format)

# @version ^0.2.7
"""
@title StableSwap
@author Curve.Fi
@license Copyright (c) Curve.Fi, 2020 - all rights reserved
@notice Minimal pool implementation with no lending
@dev 3pool implementation on Fantom
"""

interface ERC20:
    def transfer(_receiver: address, _amount: uint256): nonpayable
    def transferFrom(_sender: address, _receiver: address, _amount: uint256): nonpayable
    def approve(_spender: address, _amount: uint256): nonpayable
    def balanceOf(_owner: address) -> uint256: view


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


# Events
event Transfer:
    sender: indexed(address)
    receiver: indexed(address)
    value: uint256

event Approval:
    owner: indexed(address)
    spender: indexed(address)
    value: uint256

event TokenExchange:
    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
    token_supply: 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
PRECISION_MUL: constant(uint256[N_COINS]) = [1, 1000000000000]
RATES: constant(uint256[N_COINS]) = [1000000000000000000, 1000000000000000000000000000000]

# 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

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

coins: public(address[N_COINS])
balances: public(uint256[N_COINS])
fee: public(uint256)  # fee * 1e10
admin_fee: public(uint256)  # admin_fee * 1e10

owner: public(address)

A_PRECISION: constant(uint256) = 100
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

name: public(String[64])
symbol: public(String[32])

balanceOf: public(HashMap[address, uint256])
allowance: public(HashMap[address, HashMap[address, uint256]])
totalSupply: public(uint256)

@external
def __init__(
    _name: String[32],
    _symbol: String[10],
    _owner: address,
    _coins: address[N_COINS],
    _A: uint256,
    _fee: uint256,
    _admin_fee: uint256
):
    """
    @notice Contract constructor
    @param _name Name of the new pool
    @param _symbol Token symbol
    @param _owner Contract owner address
    @param _coins Addresses of ERC20 conracts of coins
    @param _A Amplification coefficient multiplied by n * (n - 1)
    @param _fee Fee to charge for exchanges
    @param _admin_fee Admin fee
    """
    for i in range(N_COINS):
        assert _coins[i] != 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.name = _name
    self.symbol = _symbol

    # fire a transfer event so block explorers identify the contract as an ERC20
    log Transfer(ZERO_ADDRESS, self, 0)

### ERC20 Functionality ###

@view
@external
def decimals() -> uint256:
    """
    @notice Get the number of decimals for this token
    @dev Implemented as a view method to reduce gas costs
    @return uint256 decimal places
    """
    return 18


@external
def transfer(_to : address, _value : uint256) -> bool:
    """
    @dev Transfer token for a specified address
    @param _to The address to transfer to.
    @param _value The amount to be transferred.
    """
    # NOTE: vyper does not allow underflows
    #       so the following subtraction would revert on insufficient balance
    self.balanceOf[msg.sender] -= _value
    self.balanceOf[_to] += _value

    log Transfer(msg.sender, _to, _value)
    return True


@external
def transferFrom(_from : address, _to : address, _value : uint256) -> bool:
    """
     @dev Transfer tokens from one address to another.
     @param _from address The address which you want to send tokens from
     @param _to address The address which you want to transfer to
     @param _value uint256 the amount of tokens to be transferred
    """
    self.balanceOf[_from] -= _value
    self.balanceOf[_to] += _value

    _allowance: uint256 = self.allowance[_from][msg.sender]
    if _allowance != MAX_UINT256:
        self.allowance[_from][msg.sender] = _allowance - _value

    log Transfer(_from, _to, _value)
    return True


@external
def approve(_spender : address, _value : uint256) -> bool:
    """
    @notice Approve the passed address to transfer the specified amount of
            tokens on behalf of msg.sender
    @dev Beware that changing an allowance via this method brings the risk that
         someone may use both the old and new allowance by unfortunate transaction
         ordering: https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    @param _spender The address which will transfer the funds
    @param _value The amount of tokens that may be transferred
    @return bool success
    """
    self.allowance[msg.sender][_spender] = _value

    log Approval(msg.sender, _spender, _value)
    return True


@view
@internal
def _A() -> uint256:
    """
    Handle ramping A up or down
    """
    t1: uint256 = self.future_A_time
    A1: uint256 = self.future_A

    if block.timestamp < t1:
        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 _xp_sstore() -> uint256[N_COINS]:
    result: uint256[N_COINS] = RATES
    for i in range(N_COINS):
        result[i] = result[i] * self.balances[i] / PRECISION
    return result


@pure
@internal
def _xp_mem(_balances: uint256[N_COINS]) -> uint256[N_COINS]:
    result: uint256[N_COINS] = RATES
    for i in range(N_COINS):
        result[i] = result[i] * _balances[i] / PRECISION
    return result


@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)  # If division by 0, this will be borked: only withdrawal will work. And that is good
        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
@internal
def _get_D_mem(_balances: uint256[N_COINS], _amp: uint256) -> uint256:
    return self._get_D(self._xp_mem(_balances), _amp)


@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._xp_sstore(), 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
    return D * PRECISION / self.totalSupply


@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_mem(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_mem(balances, amp)
    diff: uint256 = 0
    if _is_deposit:
        diff = D1 - D0
    else:
        diff = D0 - D1
    return diff * self.totalSupply / D0


@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

    amp: uint256 = self._A()
    old_balances: uint256[N_COINS] = self.balances

    # Initial invariant
    D0: uint256 = self._get_D_mem(old_balances, amp)
    token_supply: uint256 = self.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
        # balances store amounts of c-tokens
        new_balances[i] += _amounts[i]

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

    # We need to recalculate the invariant accounting for fees
    # to calculate fair user's share
    D2: uint256 = D1
    fees: uint256[N_COINS] = empty(uint256[N_COINS])
    mint_amount: 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
            new_balance: uint256 = new_balances[i]
            if ideal_balance > new_balance:
                difference = ideal_balance - new_balance
            else:
                difference = new_balance - ideal_balance
            fees[i] = fee * difference / FEE_DENOMINATOR
            self.balances[i] = new_balance - (fees[i] * admin_fee / FEE_DENOMINATOR)
            new_balances[i] -= fees[i]
        D2 = self._get_D_mem(new_balances, amp)
        mint_amount = token_supply * (D2 - D0) / D0
    else:
        self.balances = new_balances
        mint_amount = D1  # Take the dust if there was any
    assert mint_amount >= _min_mint_amount, "Slippage screwed you"

    # Take coins from the sender
    for i in range(N_COINS):
        if _amounts[i] > 0:
            # "safeTransferFrom" which works for ERC20s which return bool or not
            _response: Bytes[32] = raw_call(
                self.coins[i],
                concat(
                    method_id("transferFrom(address,address,uint256)"),
                    convert(msg.sender, bytes32),
                    convert(self, bytes32),
                    convert(_amounts[i], bytes32),
                ),
                max_outsize=32,
            )
            if len(_response) > 0:
                assert convert(_response, bool)  # dev: failed transfer
            # end "safeTransferFrom"

    # Mint pool tokens
    token_supply += mint_amount
    self.balanceOf[msg.sender] += mint_amount
    self.totalSupply = token_supply
    log Transfer(ZERO_ADDRESS, 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 + x_1 * (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

    A: uint256 = self._A()
    D: uint256 = self._get_D(_xp, A)
    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 = 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._xp_sstore()
    rates: uint256[N_COINS] = RATES

    x: uint256 = xp[i] + (_dx * rates[i] / PRECISION)
    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) * PRECISION / rates[j]


@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

    old_balances: uint256[N_COINS] = self.balances
    xp: uint256[N_COINS] = self._xp_mem(old_balances)

    rates: uint256[N_COINS] = RATES
    x: uint256 = xp[i] + _dx * rates[i] / PRECISION
    y: uint256 = self._get_y(i, j, x, xp)

    dy: uint256 = xp[j] - y - 1  # -1 just in case there were some rounding errors
    dy_fee: uint256 = dy * self.fee / FEE_DENOMINATOR

    # Convert all to real units
    dy = (dy - dy_fee) * PRECISION / rates[j]
    assert dy >= _min_dy, "Exchange resulted in fewer coins than expected"

    dy_admin_fee: uint256 = dy_fee * self.admin_fee / FEE_DENOMINATOR
    dy_admin_fee = dy_admin_fee * PRECISION / rates[j]

    # Change balances exactly in same way as we change actual ERC20 coin amounts
    self.balances[i] = old_balances[i] + _dx
    # When rounding errors happen, we undercharge admin fee in favor of LP
    self.balances[j] = old_balances[j] - dy - dy_admin_fee

    _response: Bytes[32] = raw_call(
        self.coins[i],
        concat(
            method_id("transferFrom(address,address,uint256)"),
            convert(msg.sender, bytes32),
            convert(self, bytes32),
            convert(_dx, bytes32),
        ),
        max_outsize=32,
    )
    if len(_response) > 0:
        assert convert(_response, bool)

    _response = raw_call(
        self.coins[j],
        concat(
            method_id("transfer(address,uint256)"),
            convert(msg.sender, bytes32),
            convert(dy, bytes32),
        ),
        max_outsize=32,
    )
    if len(_response) > 0:
        assert convert(_response, bool)

    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
    """
    total_supply: uint256 = self.totalSupply
    amounts: uint256[N_COINS] = empty(uint256[N_COINS])
    fees: uint256[N_COINS] = empty(uint256[N_COINS])  # Fees are unused but we've got them historically in event

    for i in range(N_COINS):
        old_balance: uint256 = self.balances[i]
        value: uint256 = old_balance * _amount / total_supply
        assert value >= _min_amounts[i], "Withdrawal resulted in fewer coins than expected"
        self.balances[i] = old_balance - value
        amounts[i] = value
        _response: Bytes[32] = raw_call(
            self.coins[i],
            concat(
                method_id("transfer(address,uint256)"),
                convert(msg.sender, bytes32),
                convert(value, bytes32),
            ),
            max_outsize=32,
        )
        if len(_response) > 0:
            assert convert(_response, bool)

    total_supply -= _amount
    self.balanceOf[msg.sender] -= _amount
    self.totalSupply = total_supply
    log Transfer(msg.sender, ZERO_ADDRESS, _amount)

    log RemoveLiquidity(msg.sender, amounts, fees, 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_mem(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_mem(new_balances, amp)

    fee: uint256 = self.fee * N_COINS / (4 * (N_COINS - 1))
    admin_fee: uint256 = self.admin_fee
    fees: uint256[N_COINS] = empty(uint256[N_COINS])
    for i in range(N_COINS):
        new_balance: uint256 = new_balances[i]
        ideal_balance: uint256 = D1 * old_balances[i] / D0
        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
        self.balances[i] = new_balance - (fees[i] * admin_fee / FEE_DENOMINATOR)
        new_balances[i] = new_balance - fees[i]
    D2: uint256 = self._get_D_mem(new_balances, amp)

    token_supply: uint256 = self.totalSupply
    token_amount: uint256 = (D0 - D2) * token_supply / D0
    assert token_amount != 0  # dev: zero tokens burned
    token_amount += 1  # In case of rounding errors - make it unfavorable for the "attacker"
    assert token_amount <= _max_burn_amount, "Slippage screwed you"

    token_supply -= token_amount
    self.totalSupply = token_supply
    self.balanceOf[msg.sender] -= token_amount
    log Transfer(msg.sender, ZERO_ADDRESS, token_amount)

    for i in range(N_COINS):
        if _amounts[i] != 0:
            _response: Bytes[32] = raw_call(
                self.coins[i],
                concat(
                    method_id("transfer(address,uint256)"),
                    convert(msg.sender, bytes32),
                    convert(_amounts[i], bytes32),
                ),
                max_outsize=32,
            )
            if len(_response) > 0:
                assert convert(_response, bool)

    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 + x_1 * (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, 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._xp_sstore()
    D0: uint256 = self._get_D(xp, amp)

    total_supply: uint256 = self.totalSupply
    D1: uint256 = D0 - _token_amount * D0 / total_supply
    new_y: uint256 = self._get_y_D(amp, i, xp, D1)
    xp_reduced: uint256[N_COINS] = xp
    fee: uint256 = self.fee * N_COINS / (4 * (N_COINS - 1))
    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)
    precisions: uint256[N_COINS] = PRECISION_MUL
    dy = (dy - 1) / precisions[i]  # Withdraw less to account for rounding errors
    dy_0: uint256 = (xp[i] - new_y) / precisions[i]  # w/o fees

    return dy, dy_0 - dy, total_supply


@view
@external
def calc_withdraw_one_coin(_token_amount: uint256, i: int128) -> uint256:
    """
    @notice Calculate the amount received when withdrawing a single coin
    @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
    total_supply: uint256 = 0
    dy, dy_fee, total_supply = self._calc_withdraw_one_coin(_token_amount, i)
    assert dy >= _min_amount, "Not enough coins removed"

    self.balances[i] -= (dy + dy_fee * self.admin_fee / FEE_DENOMINATOR)

    total_supply -= _token_amount
    self.totalSupply = total_supply
    self.balanceOf[msg.sender] -= _token_amount
    log Transfer(msg.sender, ZERO_ADDRESS, _token_amount)

    _response: Bytes[32] = raw_call(
        self.coins[i],
        concat(
            method_id("transfer(address,uint256)"),
            convert(msg.sender, bytes32),
            convert(dy, bytes32),
        ),
        max_outsize=32,
    )
    if len(_response) > 0:
        assert convert(_response, bool)

    log RemoveLiquidityOne(msg.sender, _token_amount, dy, total_supply - _token_amount)

    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
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
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


@view
@external
def admin_balances(i: uint256) -> uint256:
    return ERC20(self.coins[i]).balanceOf(self) - self.balances[i]


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

    for i in range(N_COINS):
        coin: address = self.coins[i]
        value: uint256 = ERC20(coin).balanceOf(self) - self.balances[i]
        if value > 0:
            _response: Bytes[32] = raw_call(
                coin,
                concat(
                    method_id("transfer(address,uint256)"),
                    convert(msg.sender, bytes32),
                    convert(value, bytes32),
                ),
                max_outsize=32,
            )  # dev: failed transfer
            if len(_response) > 0:
                assert convert(_response, bool)


@external
def donate_admin_fees():
    assert msg.sender == self.owner  # dev: only owner
    for i in range(N_COINS):
        self.balances[i] = ERC20(self.coins[i]).balanceOf(self)


@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

Contract Security Audit

Contract ABI

[{"name":"Transfer","inputs":[{"type":"address","name":"sender","indexed":true},{"type":"address","name":"receiver","indexed":true},{"type":"uint256","name":"value","indexed":false}],"anonymous":false,"type":"event"},{"name":"Approval","inputs":[{"type":"address","name":"owner","indexed":true},{"type":"address","name":"spender","indexed":true},{"type":"uint256","name":"value","indexed":false}],"anonymous":false,"type":"event"},{"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":"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},{"type":"uint256","name":"token_supply","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":"string","name":"_name"},{"type":"string","name":"_symbol"},{"type":"address","name":"_owner"},{"type":"address[2]","name":"_coins"},{"type":"uint256","name":"_A"},{"type":"uint256","name":"_fee"},{"type":"uint256","name":"_admin_fee"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"decimals","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":261},{"name":"transfer","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":74713},{"name":"transferFrom","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_from"},{"type":"address","name":"_to"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":111355},{"name":"approve","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_spender"},{"type":"uint256","name":"_value"}],"stateMutability":"nonpayable","type":"function","gas":37794},{"name":"A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":5439},{"name":"A_precise","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":5401},{"name":"get_virtual_price","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1009729},{"name":"calc_token_amount","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256[2]","name":"_amounts"},{"type":"bool","name":"_is_deposit"}],"stateMutability":"view","type":"function","gas":4016564},{"name":"add_liquidity","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256[2]","name":"_amounts"},{"type":"uint256","name":"_min_mint_amount"}],"stateMutability":"nonpayable","type":"function","gas":6262149},{"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":2447901},{"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":"nonpayable","type":"function","gas":2610850},{"name":"remove_liquidity","outputs":[{"type":"uint256[2]","name":""}],"inputs":[{"type":"uint256","name":"_amount"},{"type":"uint256[2]","name":"_min_amounts"}],"stateMutability":"nonpayable","type":"function","gas":238744},{"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":6261825},{"name":"calc_withdraw_one_coin","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"_token_amount"},{"type":"int128","name":"i"}],"stateMutability":"view","type":"function","gas":1609},{"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":3947982},{"name":"ramp_A","outputs":[],"inputs":[{"type":"uint256","name":"_future_A"},{"type":"uint256","name":"_future_time"}],"stateMutability":"nonpayable","type":"function","gas":152014},{"name":"stop_ramp_A","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":148775},{"name":"commit_new_fee","outputs":[],"inputs":[{"type":"uint256","name":"_new_fee"},{"type":"uint256","name":"_new_admin_fee"}],"stateMutability":"nonpayable","type":"function","gas":110491},{"name":"apply_new_fee","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":97272},{"name":"revert_new_parameters","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":21925},{"name":"commit_transfer_ownership","outputs":[],"inputs":[{"type":"address","name":"_owner"}],"stateMutability":"nonpayable","type":"function","gas":74663},{"name":"apply_transfer_ownership","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":60740},{"name":"revert_transfer_ownership","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":22015},{"name":"admin_balances","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"i"}],"stateMutability":"view","type":"function","gas":3511},{"name":"withdraw_admin_fees","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":15067},{"name":"donate_admin_fees","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":74995},{"name":"kill_me","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":38028},{"name":"unkill_me","outputs":[],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":22165},{"name":"coins","outputs":[{"type":"address","name":""}],"inputs":[{"type":"uint256","name":"arg0"}],"stateMutability":"view","type":"function","gas":2250},{"name":"balances","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"uint256","name":"arg0"}],"stateMutability":"view","type":"function","gas":2280},{"name":"fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2201},{"name":"admin_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2231},{"name":"owner","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2261},{"name":"initial_A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2291},{"name":"future_A","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2321},{"name":"initial_A_time","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2351},{"name":"future_A_time","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2381},{"name":"admin_actions_deadline","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2411},{"name":"transfer_ownership_deadline","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2441},{"name":"future_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2471},{"name":"future_admin_fee","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2501},{"name":"future_owner","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2531},{"name":"name","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":8963},{"name":"symbol","outputs":[{"type":"string","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":8016},{"name":"balanceOf","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"arg0"}],"stateMutability":"view","type":"function","gas":2836},{"name":"allowance","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"arg0"},{"type":"address","name":"arg1"}],"stateMutability":"view","type":"function","gas":3081},{"name":"totalSupply","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":2681}]

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

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

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

-----Decoded View---------------
Arg [0] : _name (string): Curve.fi DAI/USDC
Arg [1] : _symbol (string): DAI+USDC
Arg [2] : _owner (address): 0x2d407ddb06311396fe14d4b49da5f0471447d45c
Arg [3] : _coins (address[2]): 0x8d11ec38a3eb5e956b052f67da8bdc9bef8abf3e,0x04068da6c83afcfa0e13ba15a6696662335d5b75
Arg [4] : _A (uint256): 450
Arg [5] : _fee (uint256): 4000000
Arg [6] : _admin_fee (uint256): 5000000000

-----Encoded View---------------
12 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000140
Arg [2] : 0000000000000000000000002d407ddb06311396fe14d4b49da5f0471447d45c
Arg [3] : 0000000000000000000000008d11ec38a3eb5e956b052f67da8bdc9bef8abf3e
Arg [4] : 00000000000000000000000004068da6c83afcfa0e13ba15a6696662335d5b75
Arg [5] : 00000000000000000000000000000000000000000000000000000000000001c2
Arg [6] : 00000000000000000000000000000000000000000000000000000000003d0900
Arg [7] : 000000000000000000000000000000000000000000000000000000012a05f200
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [9] : 43757276652e6669204441492f55534443000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [11] : 4441492b55534443000000000000000000000000000000000000000000000000


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
Loading
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.