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- ERC-20 Tokens (7)1 BENDBend Token (BEND)$0.00@0.0007255,036.7066838 LDOLido DAO Tok... (LDO)$326,446.98@1.2820.75778387 wstETHWrapped liqu... (wstETH)$82,355.47@3,967.4512,500 $ Evmosia.com$ Evmosia.c... ($ Evm...)1.7 TokenERC-20 TOKEN*[Suspicious]90,111,052.5379289 TokenERC-20 TOKEN*[Suspicious]1.4 TokenERC-20 TOKEN*[Spam]NFT Tokens (15)zsteth.com : airdrop recipient# zsteth.com : airdrop recipientERC-1155nft-lido.comLDO Mysterybox NFTERC-1155LidowstETH.comLidowstETH.comERC-1155Puffer Mystery Box NFT pufether.orgPuffer Mystery Box NFT pufether.orgERC-1155Withdraw Request puffereth.comWithdraw Request puffereth.comERC-1155ether-origin.comWithdrawal NFT ether-origin.comERC-1155Withdrawal NFT originethers.commWithdrawal NFT originethers.comERC-1155
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Latest 25 from a total of 27,083 transactions
Transaction Hash MethodBlockFromToDeposit 21248853 2024-11-23 7:09:47 19 mins ago 1732345787 IN 0 ETH$0.00 0.0056307 9.89057376 Withdraw 21248760 2024-11-23 6:51:11 38 mins ago 1732344671 IN 0 ETH$0.00 0.00478667 10.01606642 Withdraw 21248485 2024-11-23 5:56:11 1 hr ago 1732341371 IN 0 ETH$0.00 0.00642726 9.78886236 Withdraw 21248458 2024-11-23 5:50:47 1 hr ago 1732341047 IN 0 ETH$0.00 0.00507667 9.80466113 Withdraw 21246450 2024-11-22 23:07:35 8 hrs ago 1732316855 IN 0 ETH$0.00 0.00682582 14.5753192 Deposit 21244938 2024-11-22 18:04:35 13 hrs ago 1732298675 IN 0 ETH$0.00 0.00647087 11.36636384 Withdraw 21238789 2024-11-21 21:27:11 34 hrs ago 1732224431 IN 0 ETH$0.00 0.01013892 15.44207182 Withdraw 21234934 2024-11-21 8:32:59 46 hrs ago 1732177979 IN 0 ETH$0.00 0.00451612 8.72206383 Withdraw 21234040 2024-11-21 5:32:47 2 days ago 1732167167 IN 0 ETH$0.00 0.00598875 10.89227786 Withdraw 21227704 2024-11-20 8:17:47 2 days ago 1732090667 IN 0 ETH$0.00 0.00562368 8.72978 Withdraw 21223767 2024-11-19 19:07:23 3 days ago 1732043243 IN 0 ETH$0.00 0.01277489 19.45642308 Set_approve_depo... 21216067 2024-11-18 17:22:23 4 days ago 1731950543 IN 0 ETH$0.00 0.00116052 26.15850958 Deposit 21210006 2024-11-17 21:06:23 5 days ago 1731877583 IN 0 ETH$0.00 0.0055245 9.73349922 Withdraw 21203765 2024-11-17 0:12:23 6 days ago 1731802343 IN 0 ETH$0.00 0.00437514 9.16284801 Claim_rewards 21203709 2024-11-17 0:01:11 6 days ago 1731801671 IN 0 ETH$0.00 0.00230153 9.04331415 Deposit 21202987 2024-11-16 21:36:11 6 days ago 1731792971 IN 0 ETH$0.00 0.00614969 10.80219985 Set_approve_depo... 21202913 2024-11-16 21:21:23 6 days ago 1731792083 IN 0 ETH$0.00 0.00057677 13.00066734 Deposit 21200457 2024-11-16 13:08:11 6 days ago 1731762491 IN 0 ETH$0.00 0.00548514 9.63490081 Withdraw 21199652 2024-11-16 10:26:47 6 days ago 1731752807 IN 0 ETH$0.00 0.00675808 10.81128149 Withdraw 21199297 2024-11-16 9:15:35 6 days ago 1731748535 IN 0 ETH$0.00 0.00787762 12.56206818 Withdraw 21196673 2024-11-16 0:28:35 7 days ago 1731716915 IN 0 ETH$0.00 0.0074476 15.10154764 Withdraw 21192669 2024-11-15 11:01:59 7 days ago 1731668519 IN 0 ETH$0.00 0.00662833 13.65502319 Withdraw 21192208 2024-11-15 9:29:35 7 days ago 1731662975 IN 0 ETH$0.00 0.00863224 16.13859543 Withdraw 21187104 2024-11-14 16:23:47 8 days ago 1731601427 IN 0 ETH$0.00 0.01892633 34.88885551 Withdraw 21172386 2024-11-12 15:05:47 10 days ago 1731423947 IN 0 ETH$0.00 0.0171418 26.10732027 View more zero value Internal Transactions in Advanced View mode
Advanced mode:Loading...LoadingThis contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.Contract Source Code Verified (Exact Match)
Contract Name:Vyper_contract
Compiler Versionvyper:0.2.8
Contract Source Code (Vyper language format)
# @version 0.2.8 """ @title Liquidity Gauge v2 @author Curve Finance @license MIT """ from vyper.interfaces import ERC20 implements: ERC20 interface CRV20: def future_epoch_time_write() -> uint256: nonpayable def rate() -> uint256: view interface Controller: def period() -> int128: view def period_write() -> int128: nonpayable def period_timestamp(p: int128) -> uint256: view def gauge_relative_weight(addr: address, time: uint256) -> uint256: view def voting_escrow() -> address: view def checkpoint(): nonpayable def checkpoint_gauge(addr: address): nonpayable interface Minter: def token() -> address: view def controller() -> address: view def minted(user: address, gauge: address) -> uint256: view interface VotingEscrow: def user_point_epoch(addr: address) -> uint256: view def user_point_history__ts(addr: address, epoch: uint256) -> uint256: view interface ERC20Extended: def symbol() -> String[26]: view event Deposit: provider: indexed(address) value: uint256 event Withdraw: provider: indexed(address) value: uint256 event UpdateLiquidityLimit: user: address original_balance: uint256 original_supply: uint256 working_balance: uint256 working_supply: uint256 event CommitOwnership: admin: address event ApplyOwnership: admin: address event Transfer: _from: indexed(address) _to: indexed(address) _value: uint256 event Approval: _owner: indexed(address) _spender: indexed(address) _value: uint256 MAX_REWARDS: constant(uint256) = 8 TOKENLESS_PRODUCTION: constant(uint256) = 40 WEEK: constant(uint256) = 604800 minter: public(address) crv_token: public(address) lp_token: public(address) controller: public(address) voting_escrow: public(address) future_epoch_time: public(uint256) balanceOf: public(HashMap[address, uint256]) totalSupply: public(uint256) allowances: HashMap[address, HashMap[address, uint256]] name: public(String[64]) symbol: public(String[32]) # caller -> recipient -> can deposit? approved_to_deposit: public(HashMap[address, HashMap[address, bool]]) working_balances: public(HashMap[address, uint256]) working_supply: public(uint256) # The goal is to be able to calculate ∫(rate * balance / totalSupply dt) from 0 till checkpoint # All values are kept in units of being multiplied by 1e18 period: public(int128) period_timestamp: public(uint256[100000000000000000000000000000]) # 1e18 * ∫(rate(t) / totalSupply(t) dt) from 0 till checkpoint integrate_inv_supply: public(uint256[100000000000000000000000000000]) # bump epoch when rate() changes # 1e18 * ∫(rate(t) / totalSupply(t) dt) from (last_action) till checkpoint integrate_inv_supply_of: public(HashMap[address, uint256]) integrate_checkpoint_of: public(HashMap[address, uint256]) # ∫(balance * rate(t) / totalSupply(t) dt) from 0 till checkpoint # Units: rate * t = already number of coins per address to issue integrate_fraction: public(HashMap[address, uint256]) inflation_rate: public(uint256) # For tracking external rewards reward_contract: public(address) reward_tokens: public(address[MAX_REWARDS]) # deposit / withdraw / claim reward_sigs: bytes32 # reward token -> integral reward_integral: public(HashMap[address, uint256]) # reward token -> claiming address -> integral reward_integral_for: public(HashMap[address, HashMap[address, uint256]]) admin: public(address) future_admin: public(address) # Can and will be a smart contract is_killed: public(bool) @external def __init__(_lp_token: address, _minter: address, _admin: address): """ @notice Contract constructor @param _lp_token Liquidity Pool contract address @param _minter Minter contract address @param _admin Admin who can kill the gauge """ symbol: String[26] = ERC20Extended(_lp_token).symbol() self.name = concat("Curve.fi ", symbol, " Gauge Deposit") self.symbol = concat(symbol, "-gauge") crv_token: address = Minter(_minter).token() controller: address = Minter(_minter).controller() self.lp_token = _lp_token self.minter = _minter self.admin = _admin self.crv_token = crv_token self.controller = controller self.voting_escrow = Controller(controller).voting_escrow() self.period_timestamp[0] = block.timestamp self.inflation_rate = CRV20(crv_token).rate() self.future_epoch_time = CRV20(crv_token).future_epoch_time_write() @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 @view @external def integrate_checkpoint() -> uint256: return self.period_timestamp[self.period] @internal def _update_liquidity_limit(addr: address, l: uint256, L: uint256): """ @notice Calculate limits which depend on the amount of CRV token per-user. Effectively it calculates working balances to apply amplification of CRV production by CRV @param addr User address @param l User's amount of liquidity (LP tokens) @param L Total amount of liquidity (LP tokens) """ # To be called after totalSupply is updated _voting_escrow: address = self.voting_escrow voting_balance: uint256 = ERC20(_voting_escrow).balanceOf(addr) voting_total: uint256 = ERC20(_voting_escrow).totalSupply() lim: uint256 = l * TOKENLESS_PRODUCTION / 100 if voting_total > 0: lim += L * voting_balance / voting_total * (100 - TOKENLESS_PRODUCTION) / 100 lim = min(l, lim) old_bal: uint256 = self.working_balances[addr] self.working_balances[addr] = lim _working_supply: uint256 = self.working_supply + lim - old_bal self.working_supply = _working_supply log UpdateLiquidityLimit(addr, l, L, lim, _working_supply) @internal def _checkpoint_rewards(_addr: address, _total_supply: uint256): """ @notice Claim pending rewards and checkpoint rewards for a user """ if _total_supply == 0: return reward_balances: uint256[MAX_REWARDS] = empty(uint256[MAX_REWARDS]) reward_tokens: address[MAX_REWARDS] = empty(address[MAX_REWARDS]) for i in range(MAX_REWARDS): token: address = self.reward_tokens[i] if token == ZERO_ADDRESS: break reward_tokens[i] = token reward_balances[i] = ERC20(token).balanceOf(self) # claim from reward contract raw_call(self.reward_contract, slice(self.reward_sigs, 8, 4)) # dev: bad claim sig user_balance: uint256 = self.balanceOf[_addr] for i in range(MAX_REWARDS): token: address = reward_tokens[i] if token == ZERO_ADDRESS: break dI: uint256 = 10**18 * (ERC20(token).balanceOf(self) - reward_balances[i]) / _total_supply if _addr == ZERO_ADDRESS: if dI != 0: self.reward_integral[token] += dI continue integral: uint256 = self.reward_integral[token] + dI if dI != 0: self.reward_integral[token] = integral integral_for: uint256 = self.reward_integral_for[token][_addr] if integral_for < integral: claimable: uint256 = user_balance * (integral - integral_for) / 10**18 self.reward_integral_for[token][_addr] = integral if claimable != 0: response: Bytes[32] = raw_call( token, concat( method_id("transfer(address,uint256)"), convert(_addr, bytes32), convert(claimable, bytes32), ), max_outsize=32, ) if len(response) != 0: assert convert(response, bool) @internal def _checkpoint(addr: address): """ @notice Checkpoint for a user @param addr User address """ _period: int128 = self.period _period_time: uint256 = self.period_timestamp[_period] _integrate_inv_supply: uint256 = self.integrate_inv_supply[_period] rate: uint256 = self.inflation_rate new_rate: uint256 = rate prev_future_epoch: uint256 = self.future_epoch_time if prev_future_epoch >= _period_time: _token: address = self.crv_token self.future_epoch_time = CRV20(_token).future_epoch_time_write() new_rate = CRV20(_token).rate() self.inflation_rate = new_rate if self.is_killed: # Stop distributing inflation as soon as killed rate = 0 # Update integral of 1/supply if block.timestamp > _period_time: _working_supply: uint256 = self.working_supply _controller: address = self.controller Controller(_controller).checkpoint_gauge(self) prev_week_time: uint256 = _period_time week_time: uint256 = min((_period_time + WEEK) / WEEK * WEEK, block.timestamp) for i in range(500): dt: uint256 = week_time - prev_week_time w: uint256 = Controller(_controller).gauge_relative_weight(self, prev_week_time / WEEK * WEEK) if _working_supply > 0: if prev_future_epoch >= prev_week_time and prev_future_epoch < week_time: # If we went across one or multiple epochs, apply the rate # of the first epoch until it ends, and then the rate of # the last epoch. # If more than one epoch is crossed - the gauge gets less, # but that'd meen it wasn't called for more than 1 year _integrate_inv_supply += rate * w * (prev_future_epoch - prev_week_time) / _working_supply rate = new_rate _integrate_inv_supply += rate * w * (week_time - prev_future_epoch) / _working_supply else: _integrate_inv_supply += rate * w * dt / _working_supply # On precisions of the calculation # rate ~= 10e18 # last_weight > 0.01 * 1e18 = 1e16 (if pool weight is 1%) # _working_supply ~= TVL * 1e18 ~= 1e26 ($100M for example) # The largest loss is at dt = 1 # Loss is 1e-9 - acceptable if week_time == block.timestamp: break prev_week_time = week_time week_time = min(week_time + WEEK, block.timestamp) _period += 1 self.period = _period self.period_timestamp[_period] = block.timestamp self.integrate_inv_supply[_period] = _integrate_inv_supply # Update user-specific integrals _working_balance: uint256 = self.working_balances[addr] self.integrate_fraction[addr] += _working_balance * (_integrate_inv_supply - self.integrate_inv_supply_of[addr]) / 10 ** 18 self.integrate_inv_supply_of[addr] = _integrate_inv_supply self.integrate_checkpoint_of[addr] = block.timestamp @external def user_checkpoint(addr: address) -> bool: """ @notice Record a checkpoint for `addr` @param addr User address @return bool success """ assert (msg.sender == addr) or (msg.sender == self.minter) # dev: unauthorized self._checkpoint(addr) self._update_liquidity_limit(addr, self.balanceOf[addr], self.totalSupply) return True @external def claimable_tokens(addr: address) -> uint256: """ @notice Get the number of claimable tokens per user @dev This function should be manually changed to "view" in the ABI @return uint256 number of claimable tokens per user """ self._checkpoint(addr) return self.integrate_fraction[addr] - Minter(self.minter).minted(addr, self) @external @nonreentrant('lock') def claimable_reward(_addr: address, _token: address) -> uint256: """ @notice Get the number of claimable reward tokens for a user @dev This function should be manually changed to "view" in the ABI Calling it via a transaction will claim available reward tokens @param _addr Account to get reward amount for @param _token Token to get reward amount for @return uint256 Claimable reward token amount """ claimable: uint256 = ERC20(_token).balanceOf(_addr) if self.reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(_addr, self.totalSupply) claimable = ERC20(_token).balanceOf(_addr) - claimable integral: uint256 = self.reward_integral[_token] integral_for: uint256 = self.reward_integral_for[_token][_addr] if integral_for < integral: claimable += self.balanceOf[_addr] * (integral - integral_for) / 10**18 return claimable @external @nonreentrant('lock') def claim_rewards(_addr: address = msg.sender): """ @notice Claim available reward tokens for `_addr` @param _addr Address to claim for """ self._checkpoint_rewards(_addr, self.totalSupply) @external @nonreentrant('lock') def claim_historic_rewards(_reward_tokens: address[MAX_REWARDS], _addr: address = msg.sender): """ @notice Claim reward tokens available from a previously-set staking contract @param _reward_tokens Array of reward token addresses to claim @param _addr Address to claim for """ for token in _reward_tokens: if token == ZERO_ADDRESS: break integral: uint256 = self.reward_integral[token] integral_for: uint256 = self.reward_integral_for[token][_addr] if integral_for < integral: claimable: uint256 = self.balanceOf[_addr] * (integral - integral_for) / 10**18 self.reward_integral_for[token][_addr] = integral response: Bytes[32] = raw_call( token, concat( method_id("transfer(address,uint256)"), convert(_addr, bytes32), convert(claimable, bytes32), ), max_outsize=32, ) if len(response) != 0: assert convert(response, bool) @external def kick(addr: address): """ @notice Kick `addr` for abusing their boost @dev Only if either they had another voting event, or their voting escrow lock expired @param addr Address to kick """ _voting_escrow: address = self.voting_escrow t_last: uint256 = self.integrate_checkpoint_of[addr] t_ve: uint256 = VotingEscrow(_voting_escrow).user_point_history__ts( addr, VotingEscrow(_voting_escrow).user_point_epoch(addr) ) _balance: uint256 = self.balanceOf[addr] assert ERC20(self.voting_escrow).balanceOf(addr) == 0 or t_ve > t_last # dev: kick not allowed assert self.working_balances[addr] > _balance * TOKENLESS_PRODUCTION / 100 # dev: kick not needed self._checkpoint(addr) self._update_liquidity_limit(addr, self.balanceOf[addr], self.totalSupply) @external def set_approve_deposit(addr: address, can_deposit: bool): """ @notice Set whether `addr` can deposit tokens for `msg.sender` @param addr Address to set approval on @param can_deposit bool - can this account deposit for `msg.sender`? """ self.approved_to_deposit[addr][msg.sender] = can_deposit @external @nonreentrant('lock') def deposit(_value: uint256, _addr: address = msg.sender): """ @notice Deposit `_value` LP tokens @dev Depositting also claims pending reward tokens @param _value Number of tokens to deposit @param _addr Address to deposit for """ if _addr != msg.sender: assert self.approved_to_deposit[msg.sender][_addr], "Not approved" self._checkpoint(_addr) if _value != 0: reward_contract: address = self.reward_contract total_supply: uint256 = self.totalSupply if reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(_addr, total_supply) total_supply += _value new_balance: uint256 = self.balanceOf[_addr] + _value self.balanceOf[_addr] = new_balance self.totalSupply = total_supply self._update_liquidity_limit(_addr, new_balance, total_supply) ERC20(self.lp_token).transferFrom(msg.sender, self, _value) if reward_contract != ZERO_ADDRESS: deposit_sig: Bytes[4] = slice(self.reward_sigs, 0, 4) if convert(deposit_sig, uint256) != 0: raw_call( reward_contract, concat(deposit_sig, convert(_value, bytes32)) ) log Deposit(_addr, _value) log Transfer(ZERO_ADDRESS, _addr, _value) @external @nonreentrant('lock') def withdraw(_value: uint256): """ @notice Withdraw `_value` LP tokens @dev Withdrawing also claims pending reward tokens @param _value Number of tokens to withdraw """ self._checkpoint(msg.sender) if _value != 0: reward_contract: address = self.reward_contract total_supply: uint256 = self.totalSupply if reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(msg.sender, total_supply) total_supply -= _value new_balance: uint256 = self.balanceOf[msg.sender] - _value self.balanceOf[msg.sender] = new_balance self.totalSupply = total_supply self._update_liquidity_limit(msg.sender, new_balance, total_supply) if reward_contract != ZERO_ADDRESS: withdraw_sig: Bytes[4] = slice(self.reward_sigs, 4, 4) if convert(withdraw_sig, uint256) != 0: raw_call( reward_contract, concat(withdraw_sig, convert(_value, bytes32)) ) ERC20(self.lp_token).transfer(msg.sender, _value) log Withdraw(msg.sender, _value) log Transfer(msg.sender, ZERO_ADDRESS, _value) @view @external def allowance(_owner : address, _spender : address) -> uint256: """ @notice Check the amount of tokens that an owner allowed to a spender @param _owner The address which owns the funds @param _spender The address which will spend the funds @return uint256 Amount of tokens still available for the spender """ return self.allowances[_owner][_spender] @internal def _transfer(_from: address, _to: address, _value: uint256): self._checkpoint(_from) self._checkpoint(_to) reward_contract: address = self.reward_contract if _value != 0: total_supply: uint256 = self.totalSupply if reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(_from, total_supply) new_balance: uint256 = self.balanceOf[_from] - _value self.balanceOf[_from] = new_balance self._update_liquidity_limit(_from, new_balance, total_supply) if reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(_to, total_supply) new_balance = self.balanceOf[_to] + _value self.balanceOf[_to] = new_balance self._update_liquidity_limit(_to, new_balance, total_supply) log Transfer(_from, _to, _value) @external @nonreentrant('lock') def transfer(_to : address, _value : uint256) -> bool: """ @notice Transfer token for a specified address @dev Transferring claims pending reward tokens for the sender and receiver @param _to The address to transfer to. @param _value The amount to be transferred. """ self._transfer(msg.sender, _to, _value) return True @external @nonreentrant('lock') def transferFrom(_from : address, _to : address, _value : uint256) -> bool: """ @notice Transfer tokens from one address to another. @dev Transferring claims pending reward tokens for the sender and receiver @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 """ _allowance: uint256 = self.allowances[_from][msg.sender] if _allowance != MAX_UINT256: self.allowances[_from][msg.sender] = _allowance - _value self._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. This may be mitigated with the use of {incraseAllowance} and {decreaseAllowance}. 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.allowances[msg.sender][_spender] = _value log Approval(msg.sender, _spender, _value) return True @external def increaseAllowance(_spender: address, _added_value: uint256) -> bool: """ @notice Increase the allowance granted to `_spender` by the caller @dev This is alternative to {approve} that can be used as a mitigation for the potential race condition @param _spender The address which will transfer the funds @param _added_value The amount of to increase the allowance @return bool success """ allowance: uint256 = self.allowances[msg.sender][_spender] + _added_value self.allowances[msg.sender][_spender] = allowance log Approval(msg.sender, _spender, allowance) return True @external def decreaseAllowance(_spender: address, _subtracted_value: uint256) -> bool: """ @notice Decrease the allowance granted to `_spender` by the caller @dev This is alternative to {approve} that can be used as a mitigation for the potential race condition @param _spender The address which will transfer the funds @param _subtracted_value The amount of to decrease the allowance @return bool success """ allowance: uint256 = self.allowances[msg.sender][_spender] - _subtracted_value self.allowances[msg.sender][_spender] = allowance log Approval(msg.sender, _spender, allowance) return True @external @nonreentrant('lock') def set_rewards(_reward_contract: address, _sigs: bytes32, _reward_tokens: address[MAX_REWARDS]): """ @notice Set the active reward contract @dev A reward contract cannot be set while this contract has no deposits @param _reward_contract Reward contract address. Set to ZERO_ADDRESS to disable staking. @param _sigs Four byte selectors for staking, withdrawing and claiming, right padded with zero bytes. If the reward contract can be claimed from but does not require staking, the staking and withdraw selectors should be set to 0x00 @param _reward_tokens List of claimable tokens for this reward contract """ assert msg.sender == self.admin lp_token: address = self.lp_token current_reward_contract: address = self.reward_contract total_supply: uint256 = self.totalSupply if current_reward_contract != ZERO_ADDRESS: self._checkpoint_rewards(ZERO_ADDRESS, total_supply) withdraw_sig: Bytes[4] = slice(self.reward_sigs, 4, 4) if convert(withdraw_sig, uint256) != 0: if total_supply != 0: raw_call( current_reward_contract, concat(withdraw_sig, convert(total_supply, bytes32)) ) ERC20(lp_token).approve(current_reward_contract, 0) if _reward_contract != ZERO_ADDRESS: assert _reward_contract.is_contract # dev: not a contract sigs: bytes32 = _sigs deposit_sig: Bytes[4] = slice(sigs, 0, 4) withdraw_sig: Bytes[4] = slice(sigs, 4, 4) if convert(deposit_sig, uint256) != 0: # need a non-zero total supply to verify the sigs assert total_supply != 0 # dev: zero total supply ERC20(lp_token).approve(_reward_contract, MAX_UINT256) # it would be Very Bad if we get the signatures wrong here, so # we do a test deposit and withdrawal prior to setting them raw_call( _reward_contract, concat(deposit_sig, convert(total_supply, bytes32)) ) # dev: failed deposit assert ERC20(lp_token).balanceOf(self) == 0 raw_call( _reward_contract, concat(withdraw_sig, convert(total_supply, bytes32)) ) # dev: failed withdraw assert ERC20(lp_token).balanceOf(self) == total_supply # deposit and withdraw are good, time to make the actual deposit raw_call( _reward_contract, concat(deposit_sig, convert(total_supply, bytes32)) ) else: assert convert(withdraw_sig, uint256) == 0 # dev: withdraw without deposit self.reward_contract = _reward_contract self.reward_sigs = _sigs for i in range(MAX_REWARDS): if _reward_tokens[i] != ZERO_ADDRESS: self.reward_tokens[i] = _reward_tokens[i] elif self.reward_tokens[i] != ZERO_ADDRESS: self.reward_tokens[i] = ZERO_ADDRESS else: assert i != 0 # dev: no reward token break if _reward_contract != ZERO_ADDRESS: # do an initial checkpoint to verify that claims are working self._checkpoint_rewards(ZERO_ADDRESS, total_supply) @external def set_killed(_is_killed: bool): """ @notice Set the killed status for this contract @dev When killed, the gauge always yields a rate of 0 and so cannot mint CRV @param _is_killed Killed status to set """ assert msg.sender == self.admin self.is_killed = _is_killed @external def commit_transfer_ownership(addr: address): """ @notice Transfer ownership of GaugeController to `addr` @param addr Address to have ownership transferred to """ assert msg.sender == self.admin # dev: admin only self.future_admin = addr log CommitOwnership(addr) @external def accept_transfer_ownership(): """ @notice Accept a pending ownership transfer """ _admin: address = self.future_admin assert msg.sender == _admin # dev: future admin only self.admin = _admin log ApplyOwnership(_admin)
Contract Security Audit
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Contract ABI
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Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000006325440d014e39736583c165c2963ba99faf14e000000000000000000000000d061d61a4d941c39e5453435b6345dc261c2fce00000000000000000000000007eeac6cddbd1d0b8af061742d41877d7f707289a
-----Decoded View---------------
Arg [0] : _lp_token (address): 0x06325440D014e39736583c165C2963BA99fAf14E
Arg [1] : _minter (address): 0xd061D61a4d941c39E5453435B6345Dc261C2fcE0
Arg [2] : _admin (address): 0x7EeAC6CDdbd1D0B8aF061742D41877D7F707289a
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000006325440d014e39736583c165c2963ba99faf14e
Arg [1] : 000000000000000000000000d061d61a4d941c39e5453435b6345dc261c2fce0
Arg [2] : 0000000000000000000000007eeac6cddbd1d0b8af061742d41877d7f707289aLoading...LoadingLoading...Loading
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