Overview
ETH Balance
0.000018 ETH
ETH Value
$0.07 (@ $3,614.42/ETH)Token Holdings
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Private Name Tags
ContractCreator
Latest 25 from a total of 230 transactions
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Harvest | 128572289 | 4 days ago | IN | 0 ETH | 0.00000016421 | ||||
Harvest | 127005832 | 40 days ago | IN | 0 ETH | 0.000000799358 | ||||
Harvest | 127002302 | 41 days ago | IN | 0 ETH | 0.00000066358 | ||||
Harvest | 127000189 | 41 days ago | IN | 0 ETH | 0.000000334431 | ||||
Harvest | 126984235 | 41 days ago | IN | 0 ETH | 0.000000128376 | ||||
Harvest | 126976719 | 41 days ago | IN | 0 ETH | 0.000000117688 | ||||
Harvest | 126970379 | 41 days ago | IN | 0 ETH | 0.000000191255 | ||||
Harvest | 126961904 | 41 days ago | IN | 0 ETH | 0.000000334704 | ||||
Harvest | 126941745 | 42 days ago | IN | 0 ETH | 0.000000122373 | ||||
Harvest | 126940608 | 42 days ago | IN | 0 ETH | 0.000000141912 | ||||
Harvest | 126929617 | 42 days ago | IN | 0 ETH | 0.00000014035 | ||||
Harvest | 126928634 | 42 days ago | IN | 0 ETH | 0.000000134586 | ||||
Harvest | 126861036 | 44 days ago | IN | 0 ETH | 0.000000189033 | ||||
Harvest | 126857623 | 44 days ago | IN | 0 ETH | 0.000000103181 | ||||
Harvest | 126856209 | 44 days ago | IN | 0 ETH | 0.000000133285 | ||||
Harvest | 126849576 | 44 days ago | IN | 0 ETH | 0.000000593405 | ||||
Harvest | 126828074 | 45 days ago | IN | 0 ETH | 0.000000565252 | ||||
Harvest | 126816148 | 45 days ago | IN | 0 ETH | 0.000000571801 | ||||
Harvest | 126743864 | 46 days ago | IN | 0 ETH | 0.000000602696 | ||||
Harvest | 126740938 | 47 days ago | IN | 0 ETH | 0.000000590433 | ||||
Harvest | 126737640 | 47 days ago | IN | 0 ETH | 0.000000286318 | ||||
Harvest | 126732448 | 47 days ago | IN | 0 ETH | 0.000000312652 | ||||
Harvest | 126730465 | 47 days ago | IN | 0 ETH | 0.000000439799 | ||||
Harvest | 126730043 | 47 days ago | IN | 0 ETH | 0.000000437746 | ||||
Harvest | 126728387 | 47 days ago | IN | 0 ETH | 0.0000005173 |
Latest 25 internal transactions (View All)
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128766843 | 4 hrs ago | 0.000018 ETH | ||||
128766843 | 4 hrs ago | 0.00023418825721 ETH | ||||
128766843 | 4 hrs ago | 0.00021618825721 ETH | ||||
128758616 | 8 hrs ago | 0.000018 ETH | ||||
128758616 | 8 hrs ago | 0.00023580839921 ETH | ||||
128758616 | 8 hrs ago | 0.00021780839921 ETH | ||||
128748521 | 14 hrs ago | 0.000018 ETH | ||||
128748521 | 14 hrs ago | 0.00023609673921 ETH | ||||
128748521 | 14 hrs ago | 0.00021809673921 ETH | ||||
128739599 | 19 hrs ago | 0.000018 ETH | ||||
128739599 | 19 hrs ago | 0.00024152434321 ETH | ||||
128739599 | 19 hrs ago | 0.00022352434321 ETH | ||||
128730996 | 23 hrs ago | 0.000018 ETH | ||||
128730996 | 23 hrs ago | 0.00023963385521 ETH | ||||
128730996 | 23 hrs ago | 0.00022163385521 ETH | ||||
128723275 | 28 hrs ago | 0.000018 ETH | ||||
128723275 | 28 hrs ago | 0.00023786769521 ETH | ||||
128723275 | 28 hrs ago | 0.00021986769521 ETH | ||||
128715724 | 32 hrs ago | 0.000018 ETH | ||||
128715724 | 32 hrs ago | 0.00024918836521 ETH | ||||
128715724 | 32 hrs ago | 0.00023118836521 ETH | ||||
128704596 | 38 hrs ago | 0.000018 ETH | ||||
128704596 | 38 hrs ago | 0.00023476304521 ETH | ||||
128704596 | 38 hrs ago | 0.00021676304521 ETH | ||||
128696956 | 42 hrs ago | 0.000018 ETH |
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Minimal Proxy Contract for 0x16ab7178b1b062a326c007a52e32a67218151b59
Contract Name:
StrategyAuraSideChainOmnichainSwap
Compiler Version
v0.8.19+commit.7dd6d404
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin-4/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin-4/contracts/token/ERC20/utils/SafeERC20.sol"; import "../../interfaces/common/IUniswapRouterETH.sol"; import "../../interfaces/beethovenx/IBalancerVault.sol"; import "../../interfaces/aura/IAuraRewardPool.sol"; import "../../interfaces/curve/IStreamer.sol"; import "../../interfaces/aura/IAuraBooster.sol"; import "../../interfaces/common/IWrappedNative.sol"; import "../Common/StratFeeManagerInitializable.sol"; import "./BalancerActionsLib.sol"; import "./BeefyBalancerStructs.sol"; import "../../utils/UniV3Actions.sol"; interface IBalancerPool { function getPoolId() external view returns (bytes32); } interface ISwapper { function swapAura(uint256 _amount) external payable; function estimate(uint256 _amount) external view returns (uint256 gasNeeded); } contract StrategyAuraSideChainOmnichainSwap is StratFeeManagerInitializable { using SafeERC20 for IERC20; // Tokens used address public want; address public output; address public aura; address public native; // Third party contracts address public booster; address public rewardPool; address public uniswapRouter; address public swapper; uint256 public pid; // Balancer Router set up IBalancerVault.SwapKind public swapKind; IBalancerVault.FundManagement public funds; // Swap details BeefyBalancerStructs.Input public input; BeefyBalancerStructs.BatchSwapStruct[] public nativeToInputRoute; BeefyBalancerStructs.BatchSwapStruct[] public outputToNativeRoute; address[] public nativeToInputAssets; address[] public outputToNativeAssets; // Our needed reward token information mapping(address => BeefyBalancerStructs.Reward) public rewards; address[] public rewardTokens; // Some needed state variables bool public harvestOnDeposit; uint256 public lastHarvest; uint256 public totalLocked; uint256 public minSwap; uint256 public constant DURATION = 1 days; event StratHarvest(address indexed harvester, uint256 indexed wantHarvested, uint256 indexed tvl); event Deposit(uint256 indexed tvl); event Withdraw(uint256 indexed tvl); event ChargedFees(uint256 indexed callFees, uint256 indexed beefyFees, uint256 indexed strategistFees); function initialize( address _want, address _aura, bool _inputIsComposable, BeefyBalancerStructs.BatchSwapStruct[] memory _nativeToInputRoute, BeefyBalancerStructs.BatchSwapStruct[] memory _outputToNativeRoute, address _booster, address _swapper, uint256 _pid, address[] memory _nativeToInput, address[] memory _outputToNative, CommonAddresses calldata _commonAddresses ) public initializer { __StratFeeManager_init(_commonAddresses); for (uint i; i < _nativeToInputRoute.length; ++i) { nativeToInputRoute.push(_nativeToInputRoute[i]); } for (uint j; j < _outputToNativeRoute.length; ++j) { outputToNativeRoute.push(_outputToNativeRoute[j]); } want = _want; aura = _aura; booster = _booster; pid = _pid; outputToNativeAssets = _outputToNative; nativeToInputAssets = _nativeToInput; output = outputToNativeAssets[0]; native = nativeToInputAssets[0]; input.input = nativeToInputAssets[nativeToInputAssets.length - 1]; input.isComposable = _inputIsComposable; uniswapRouter = address(0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45); swapper = _swapper; (,,,rewardPool,,) = IAuraBooster(booster).poolInfo(pid); minSwap = 10 ether; swapKind = IBalancerVault.SwapKind.GIVEN_IN; funds = IBalancerVault.FundManagement(address(this), false, payable(address(this)), false); _giveAllowances(); } // puts the funds to work function deposit() public whenNotPaused { uint256 wantBal = IERC20(want).balanceOf(address(this)); if (wantBal > 0) { IAuraBooster(booster).deposit(pid, wantBal, true); emit Deposit(balanceOf()); } } function withdraw(uint256 _amount) external { require(msg.sender == vault, "!vault"); uint256 wantBal = IERC20(want).balanceOf(address(this)); if (wantBal < _amount) { IAuraRewardPool(rewardPool).withdrawAndUnwrap(_amount - wantBal, false); wantBal = IERC20(want).balanceOf(address(this)); } if (wantBal > _amount) { wantBal = _amount; } if (tx.origin != owner() && !paused()) { uint256 withdrawalFeeAmount = wantBal * withdrawalFee / WITHDRAWAL_MAX; wantBal = wantBal - withdrawalFeeAmount; } IERC20(want).safeTransfer(vault, wantBal); emit Withdraw(balanceOf()); } function beforeDeposit() external override { if (harvestOnDeposit) { require(msg.sender == vault, "!vault"); _harvest(tx.origin); } } function harvest() external virtual { _harvest(tx.origin); } function harvest(address callFeeRecipient) external virtual { _harvest(callFeeRecipient); } // compounds earnings and charges performance fee function _harvest(address callFeeRecipient) internal whenNotPaused { uint256 before = balanceOfWant(); IAuraRewardPool(rewardPool).getReward(); swapRewardsToNative(); uint256 nativeBal = IERC20(native).balanceOf(address(this)); if (nativeBal > 0) { chargeFees(callFeeRecipient); addLiquidity(); uint256 wantHarvested = balanceOfWant() - before; totalLocked = wantHarvested + lockedProfit(); deposit(); lastHarvest = block.timestamp; emit StratHarvest(msg.sender, wantHarvested, balanceOf()); } } function swapRewardsToNative() internal { uint256 outputBal = IERC20(output).balanceOf(address(this)); if (outputBal > 0) { IBalancerVault.BatchSwapStep[] memory _swaps = BalancerActionsLib.buildSwapStructArray(outputToNativeRoute, outputBal); BalancerActionsLib.balancerSwap(unirouter, swapKind, _swaps, outputToNativeAssets, funds, int256(outputBal)); } // extras for (uint i; i < rewardTokens.length; ++i) { uint bal = IERC20(rewardTokens[i]).balanceOf(address(this)); if (bal >= rewards[rewardTokens[i]].minAmount) { if (rewards[rewardTokens[i]].assets[0] != address(0)) { BeefyBalancerStructs.BatchSwapStruct[] memory swapInfo = new BeefyBalancerStructs.BatchSwapStruct[](rewards[rewardTokens[i]].assets.length - 1); for (uint j; j < rewards[rewardTokens[i]].assets.length - 1; ++j) { swapInfo[j] = rewards[rewardTokens[i]].swapInfo[j]; } IBalancerVault.BatchSwapStep[] memory _swaps = BalancerActionsLib.buildSwapStructArray(swapInfo, bal); BalancerActionsLib.balancerSwap(unirouter, swapKind, _swaps, rewards[rewardTokens[i]].assets, funds, int256(bal)); } else { UniV3Actions.swapV3(uniswapRouter, rewards[rewardTokens[i]].routeToNative, bal); } } } uint256 auraBal = IERC20(aura).balanceOf(address(this)); uint256 nativeBal = IERC20(native).balanceOf(address(this)); uint256 balanceThis = address(this).balance; uint256 gasNeeded = ISwapper(swapper).estimate(auraBal); if ((nativeBal + balanceThis) >= gasNeeded) { uint256 nativeToWithdraw = gasNeeded <= balanceThis ? 0 : gasNeeded - balanceThis; if (auraBal > minSwap) { IWrappedNative(native).withdraw(nativeToWithdraw); ISwapper(swapper).swapAura{value: gasNeeded}(auraBal); } } } // performance fees function chargeFees(address callFeeRecipient) internal { IFeeConfig.FeeCategory memory fees = getFees(); uint256 nativeBal = IERC20(native).balanceOf(address(this)) * fees.total / DIVISOR; uint256 callFeeAmount = nativeBal * fees.call / DIVISOR; IERC20(native).safeTransfer(callFeeRecipient, callFeeAmount); uint256 beefyFeeAmount = nativeBal * fees.beefy / DIVISOR; IERC20(native).safeTransfer(beefyFeeRecipient, beefyFeeAmount); uint256 strategistFeeAmount = nativeBal * fees.strategist / DIVISOR; IERC20(native).safeTransfer(strategist, strategistFeeAmount); emit ChargedFees(callFeeAmount, beefyFeeAmount, strategistFeeAmount); } // Adds liquidity to AMM and gets more LP tokens. function addLiquidity() internal { uint256 nativeBal = IERC20(native).balanceOf(address(this)); if (native != input.input) { IBalancerVault.BatchSwapStep[] memory _swaps = BalancerActionsLib.buildSwapStructArray(nativeToInputRoute, nativeBal); BalancerActionsLib.balancerSwap(unirouter, swapKind, _swaps, nativeToInputAssets, funds, int256(nativeBal)); } if (input.input != want) { uint256 inputBal = IERC20(input.input).balanceOf(address(this)); BalancerActionsLib.balancerJoin(unirouter, IBalancerPool(want).getPoolId(), input.input, inputBal); } } function lockedProfit() public view returns (uint256) { uint256 elapsed = block.timestamp - lastHarvest; uint256 remaining = elapsed < DURATION ? DURATION - elapsed : 0; return totalLocked * remaining / DURATION; } // calculate the total underlaying 'want' held by the strat. function balanceOf() public view returns (uint256) { return balanceOfWant() + balanceOfPool() - lockedProfit(); } // it calculates how much 'want' this contract holds. function balanceOfWant() public view returns (uint256) { return IERC20(want).balanceOf(address(this)); } // it calculates how much 'want' the strategy has working in the farm. function balanceOfPool() public view returns (uint256) { return IAuraRewardPool(rewardPool).balanceOf(address(this)); } // returns rewards unharvested function rewardsAvailable() public view returns (uint256) { return IAuraRewardPool(rewardPool).earned(address(this)); } // native reward amount for calling harvest function callReward() public pure returns (uint256) { return 0; // multiple swap providers with no easy way to estimate native output. } function addRewardToken(address _token, BeefyBalancerStructs.BatchSwapStruct[] memory _swapInfo, address[] memory _assets, bytes calldata _routeToNative, uint _minAmount) external onlyOwner { require(_token != want, "!want"); require(_token != native, "!native"); if (_assets[0] != address(0)) { IERC20(_token).safeApprove(unirouter, 0); IERC20(_token).safeApprove(unirouter, type(uint).max); } else { IERC20(_token).safeApprove(uniswapRouter, 0); IERC20(_token).safeApprove(uniswapRouter, type(uint).max); } rewards[_token].assets = _assets; rewards[_token].routeToNative = _routeToNative; rewards[_token].minAmount = _minAmount; for (uint i; i < _swapInfo.length; ++i) { rewards[_token].swapInfo[i].poolId = _swapInfo[i].poolId; rewards[_token].swapInfo[i].assetInIndex = _swapInfo[i].assetInIndex; rewards[_token].swapInfo[i].assetOutIndex = _swapInfo[i].assetOutIndex; } rewardTokens.push(_token); } function resetRewardTokens() external onlyManager { for (uint i; i < rewardTokens.length; ++i) { delete rewards[rewardTokens[i]]; } delete rewardTokens; } function setMinSwap(uint256 _min) external onlyManager { minSwap = _min; } function setHarvestOnDeposit(bool _harvestOnDeposit) external onlyManager { harvestOnDeposit = _harvestOnDeposit; if (harvestOnDeposit) { setWithdrawalFee(0); } else { setWithdrawalFee(10); } } // called as part of strat migration. Sends all the available funds back to the vault. function retireStrat() external { require(msg.sender == vault, "!vault"); IAuraRewardPool(rewardPool).withdrawAndUnwrap(balanceOfPool(), false); uint256 wantBal = IERC20(want).balanceOf(address(this)); IERC20(want).transfer(vault, wantBal); } // pauses deposits and withdraws all funds from third party systems. function panic() public onlyManager { pause(); IAuraRewardPool(rewardPool).withdrawAndUnwrap(balanceOfPool(), false); } function pause() public onlyManager { _pause(); _removeAllowances(); } function unpause() external onlyManager { _unpause(); _giveAllowances(); deposit(); } function _giveAllowances() internal { IERC20(want).safeApprove(booster, type(uint).max); IERC20(output).safeApprove(unirouter, type(uint).max); IERC20(native).safeApprove(unirouter, type(uint).max); IERC20(aura).safeApprove(swapper, type(uint).max); if (!input.isComposable) { IERC20(input.input).safeApprove(unirouter, 0); IERC20(input.input).safeApprove(unirouter, type(uint).max); } if (rewardTokens.length != 0) { for (uint i; i < rewardTokens.length; ++i) { if (rewards[rewardTokens[i]].assets[0] != address(0)) { IERC20(rewardTokens[i]).safeApprove(unirouter, 0); IERC20(rewardTokens[i]).safeApprove(unirouter, type(uint).max); } else { IERC20(rewardTokens[i]).safeApprove(uniswapRouter, 0); IERC20(rewardTokens[i]).safeApprove(uniswapRouter, type(uint).max); } } } } function _removeAllowances() internal { IERC20(want).safeApprove(booster, 0); IERC20(output).safeApprove(unirouter, 0); IERC20(native).safeApprove(unirouter, 0); IERC20(aura).safeApprove(swapper, 0); if (!input.isComposable) { IERC20(input.input).safeApprove(unirouter, 0); } if (rewardTokens.length != 0) { for (uint i; i < rewardTokens.length; ++i) { if (rewards[rewardTokens[i]].assets[0] != address(0)) { IERC20(rewardTokens[i]).safeApprove(unirouter, 0); } else { IERC20(rewardTokens[i]).safeApprove(uniswapRouter, 0); } } } } // allow this contract to receive ether receive() external payable {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.0; import "./IERC20.sol"; import "./extensions/IERC20Metadata.sol"; import "../../utils/Context.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20, IERC20Metadata { mapping(address => uint256) private _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * The default value of {decimals} is 18. To select a different value for * {decimals} you should overload it. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual override returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual override returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless this function is * overridden; * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual override returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address to, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _transfer(owner, to, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { address owner = _msgSender(); _approve(owner, spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. * - the caller must have allowance for ``from``'s tokens of at least * `amount`. */ function transferFrom( address from, address to, uint256 amount ) public virtual override returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, amount); _transfer(from, to, amount); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, allowance(owner, spender) + addedValue); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { address owner = _msgSender(); uint256 currentAllowance = allowance(owner, spender); require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); unchecked { _approve(owner, spender, currentAllowance - subtractedValue); } return true; } /** * @dev Moves `amount` of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `from` cannot be the zero address. * - `to` cannot be the zero address. * - `from` must have a balance of at least `amount`. */ function _transfer( address from, address to, uint256 amount ) internal virtual { require(from != address(0), "ERC20: transfer from the zero address"); require(to != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(from, to, amount); uint256 fromBalance = _balances[from]; require(fromBalance >= amount, "ERC20: transfer amount exceeds balance"); unchecked { _balances[from] = fromBalance - amount; } _balances[to] += amount; emit Transfer(from, to, amount); _afterTokenTransfer(from, to, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply += amount; _balances[account] += amount; emit Transfer(address(0), account, amount); _afterTokenTransfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements: * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); uint256 accountBalance = _balances[account]; require(accountBalance >= amount, "ERC20: burn amount exceeds balance"); unchecked { _balances[account] = accountBalance - amount; } _totalSupply -= amount; emit Transfer(account, address(0), amount); _afterTokenTransfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Updates `owner` s allowance for `spender` based on spent `amount`. * * Does not update the allowance amount in case of infinite allowance. * Revert if not enough allowance is available. * * Might emit an {Approval} event. */ function _spendAllowance( address owner, address spender, uint256 amount ) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { require(currentAllowance >= amount, "ERC20: insufficient allowance"); unchecked { _approve(owner, spender, currentAllowance - amount); } } } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} /** * @dev Hook that is called after any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * has been transferred to `to`. * - when `from` is zero, `amount` tokens have been minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens have been burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _afterTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. * * _Available since v4.1._ */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `from` to `to` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address from, address to, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/draft-IERC20Permit.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } function safePermit( IERC20Permit token, address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) internal { uint256 nonceBefore = token.nonces(owner); token.permit(owner, spender, value, deadline, v, r, s); uint256 nonceAfter = token.nonces(owner); require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed"); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { require(owner() == _msgSender(), "Ownable: caller is not the owner"); } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (proxy/utils/Initializable.sol) pragma solidity ^0.8.2; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in * case an upgrade adds a module that needs to be initialized. * * For example: * * [.hljs-theme-light.nopadding] * ``` * contract MyToken is ERC20Upgradeable { * function initialize() initializer public { * __ERC20_init("MyToken", "MTK"); * } * } * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable { * function initializeV2() reinitializer(2) public { * __ERC20Permit_init("MyToken"); * } * } * ``` * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() { * _disableInitializers(); * } * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. * @custom:oz-retyped-from bool */ uint8 private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Triggered when the contract has been initialized or reinitialized. */ event Initialized(uint8 version); /** * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope, * `onlyInitializing` functions can be used to initialize parent contracts. Equivalent to `reinitializer(1)`. */ modifier initializer() { bool isTopLevelCall = !_initializing; require( (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1), "Initializable: contract is already initialized" ); _initialized = 1; if (isTopLevelCall) { _initializing = true; } _; if (isTopLevelCall) { _initializing = false; emit Initialized(1); } } /** * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be * used to initialize parent contracts. * * `initializer` is equivalent to `reinitializer(1)`, so a reinitializer may be used after the original * initialization step. This is essential to configure modules that are added through upgrades and that require * initialization. * * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in * a contract, executing them in the right order is up to the developer or operator. */ modifier reinitializer(uint8 version) { require(!_initializing && _initialized < version, "Initializable: contract is already initialized"); _initialized = version; _initializing = true; _; _initializing = false; emit Initialized(version); } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} and {reinitializer} modifiers, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } /** * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call. * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized * to any version. It is recommended to use this to lock implementation contracts that are designed to be called * through proxies. */ function _disableInitializers() internal virtual { require(!_initializing, "Initializable: contract is initializing"); if (_initialized < type(uint8).max) { _initialized = type(uint8).max; emit Initialized(type(uint8).max); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract PausableUpgradeable is Initializable, ContextUpgradeable { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ function __Pausable_init() internal onlyInitializing { __Pausable_init_unchained(); } function __Pausable_init_unchained() internal onlyInitializing { _paused = false; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { _requireNotPaused(); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { _requirePaused(); _; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Throws if the contract is paused. */ function _requireNotPaused() internal view virtual { require(!paused(), "Pausable: paused"); } /** * @dev Throws if the contract is not paused. */ function _requirePaused() internal view virtual { require(paused(), "Pausable: not paused"); } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol) pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== * * [IMPORTANT] * ==== * You shouldn't rely on `isContract` to protect against flash loan attacks! * * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract * constructor. * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize/address.code.length, which returns 0 // for contracts in construction, since the code is only stored at the end // of the constructor execution. return account.code.length > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly /// @solidity memory-safe-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { } function __Context_init_unchained() internal onlyInitializing { } function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } /** * @dev This empty reserved space is put in place to allow future versions to add new * variables without shifting down storage in the inheritance chain. * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps */ uint256[50] private __gap; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IAuraBooster { function deposit(uint256 pid, uint256 amount, bool stake) external returns (bool); function withdraw(uint256 _pid, uint256 _amount) external returns(bool); function earmarkRewards(uint256 _pid) external; function poolInfo(uint256 pid) external view returns ( address lptoken, address token, address gauge, address crvRewards, address stash, bool shutdown ); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.9.0; interface IAuraRewardPool { function deposit(uint256 amount) external; function stake(uint256 amount) external; function withdraw(uint256 amount) external; function earned(address account) external view returns (uint256); function getReward() external; function balanceOf(address account) external view returns (uint256); function stakingToken() external view returns (address); function rewardsToken() external view returns (address); function withdrawAndUnwrap(uint256 _amount, bool claim) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.9.0; pragma experimental ABIEncoderV2; interface IBalancerVault { struct SingleSwap { bytes32 poolId; SwapKind kind; address assetIn; address assetOut; uint256 amount; bytes userData; } struct BatchSwapStep { bytes32 poolId; uint256 assetInIndex; uint256 assetOutIndex; uint256 amount; bytes userData; } struct FundManagement { address sender; bool fromInternalBalance; address payable recipient; bool toInternalBalance; } struct JoinPoolRequest { address[] assets; uint256[] maxAmountsIn; bytes userData; bool fromInternalBalance; } enum SwapKind { GIVEN_IN, GIVEN_OUT } function swap( SingleSwap memory singleSwap, FundManagement memory funds, uint256 limit, uint256 deadline ) external payable returns (uint256); function batchSwap( SwapKind kind, BatchSwapStep[] memory swaps, address[] memory assets, FundManagement memory funds, int256[] memory limits, uint256 deadline ) external returns (int256[] memory assetDeltas); function joinPool( bytes32 poolId, address sender, address recipient, JoinPoolRequest memory request ) external; function getPoolTokens(bytes32 poolId) external view returns ( address[] memory tokens, uint256[] memory balances, uint256 lastChangeBlock ); function getPool(bytes32 poolId) external view returns (address, uint8); function flashLoan( address recipient, address[] memory tokens, uint256[] memory amounts, bytes memory userData ) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IFeeConfig { struct FeeCategory { uint256 total; uint256 beefy; uint256 call; uint256 strategist; string label; bool active; } struct AllFees { FeeCategory performance; uint256 deposit; uint256 withdraw; } function getFees(address strategy) external view returns (FeeCategory memory); function stratFeeId(address strategy) external view returns (uint256); function setStratFeeId(uint256 feeId) external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IKyberElastic { struct ExactInputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 deadline; uint256 amountIn; uint256 minAmountOut; uint160 limitSqrtP; } /// @notice Swaps `amountIn` of one token for as much as possible of another token /// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata /// @return amountOut The amount of the received token function swapExactInputSingle(ExactInputSingleParams calldata params) external payable returns (uint256 amountOut); struct ExactInputParams { bytes path; address recipient; uint256 deadline; uint256 amountIn; uint256 minAmountOut; } /// @notice Swaps `amountIn` of one token for as much as possible of another along the specified path /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactInputParams` in calldata /// @return amountOut The amount of the received token function swapExactInput(ExactInputParams calldata params) external payable returns (uint256 amountOut); struct ExactOutputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 deadline; uint256 amountOut; uint256 maxAmountIn; uint160 limitSqrtP; } /// @notice Swaps as little as possible of one token for `amountOut` of another token /// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata /// @return amountIn The amount of the input token function swapExactOutputSingle(ExactOutputSingleParams calldata params) external payable returns (uint256 amountIn); struct ExactOutputParams { bytes path; address recipient; uint256 deadline; uint256 amountOut; uint256 maxAmountIn; } /// @notice Swaps as little as possible of one token for `amountOut` of another along the specified path (reversed) /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactOutputParams` in calldata /// @return amountIn The amount of the input token function swapExactOutput(ExactOutputParams calldata params) external payable returns (uint256 amountIn); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.9.0; interface IUniswapRouterETH { function addLiquidity( address tokenA, address tokenB, uint amountADesired, uint amountBDesired, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB, uint liquidity); function addLiquidityETH( address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external payable returns (uint amountToken, uint amountETH, uint liquidity); function removeLiquidity( address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline ) external returns (uint amountA, uint amountB); function removeLiquidityETH( address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline ) external returns (uint amountToken, uint amountETH); function swapExactTokensForTokens( uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline ) external returns (uint[] memory amounts); function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline) external payable returns (uint[] memory amounts); function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external returns (uint[] memory amounts); function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IUniswapRouterV3 { struct ExactInputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 amountIn; uint256 amountOutMinimum; uint160 sqrtPriceLimitX96; } /// @notice Swaps `amountIn` of one token for as much as possible of another token /// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata /// @return amountOut The amount of the received token function exactInputSingle(ExactInputSingleParams calldata params) external payable returns (uint256 amountOut); struct ExactInputParams { bytes path; address recipient; uint256 amountIn; uint256 amountOutMinimum; } /// @notice Swaps `amountIn` of one token for as much as possible of another along the specified path /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactInputParams` in calldata /// @return amountOut The amount of the received token function exactInput(ExactInputParams calldata params) external payable returns (uint256 amountOut); struct ExactOutputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 amountOut; uint256 amountInMaximum; uint160 sqrtPriceLimitX96; } /// @notice Swaps as little as possible of one token for `amountOut` of another token /// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata /// @return amountIn The amount of the input token function exactOutputSingle(ExactOutputSingleParams calldata params) external payable returns (uint256 amountIn); struct ExactOutputParams { bytes path; address recipient; uint256 amountOut; uint256 amountInMaximum; } /// @notice Swaps as little as possible of one token for `amountOut` of another along the specified path (reversed) /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactOutputParams` in calldata /// @return amountIn The amount of the input token function exactOutput(ExactOutputParams calldata params) external payable returns (uint256 amountIn); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0; pragma experimental ABIEncoderV2; interface IUniswapRouterV3WithDeadline { struct ExactInputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 deadline; uint256 amountIn; uint256 amountOutMinimum; uint160 sqrtPriceLimitX96; } /// @notice Swaps `amountIn` of one token for as much as possible of another token /// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata /// @return amountOut The amount of the received token function exactInputSingle(ExactInputSingleParams calldata params) external payable returns (uint256 amountOut); struct ExactInputParams { bytes path; address recipient; uint256 deadline; uint256 amountIn; uint256 amountOutMinimum; } /// @notice Swaps `amountIn` of one token for as much as possible of another along the specified path /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactInputParams` in calldata /// @return amountOut The amount of the received token function exactInput(ExactInputParams calldata params) external payable returns (uint256 amountOut); struct ExactOutputSingleParams { address tokenIn; address tokenOut; uint24 fee; address recipient; uint256 deadline; uint256 amountOut; uint256 amountInMaximum; uint160 sqrtPriceLimitX96; } /// @notice Swaps as little as possible of one token for `amountOut` of another token /// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata /// @return amountIn The amount of the input token function exactOutputSingle(ExactOutputSingleParams calldata params) external payable returns (uint256 amountIn); struct ExactOutputParams { bytes path; address recipient; uint256 deadline; uint256 amountOut; uint256 amountInMaximum; } /// @notice Swaps as little as possible of one token for `amountOut` of another along the specified path (reversed) /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactOutputParams` in calldata /// @return amountIn The amount of the input token function exactOutput(ExactOutputParams calldata params) external payable returns (uint256 amountIn); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.9.0; interface IWrappedNative { function deposit() external payable; function withdraw(uint256 wad) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.0 <0.9.0; interface IStreamer { function get_reward() external; }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../../interfaces/beethovenx/IBalancerVault.sol"; import "@openzeppelin-4/contracts/token/ERC20/ERC20.sol"; import "./BeefyBalancerStructs.sol"; library BalancerActionsLib { function balancerJoin(address _vault, bytes32 _poolId, address _tokenIn, uint256 _amountIn) internal { (address[] memory lpTokens,,) = IBalancerVault(_vault).getPoolTokens(_poolId); uint256[] memory amounts = new uint256[](lpTokens.length); for (uint256 i = 0; i < amounts.length;) { amounts[i] = lpTokens[i] == _tokenIn ? _amountIn : 0; unchecked { ++i; } } bytes memory userData = abi.encode(1, amounts, 1); IBalancerVault.JoinPoolRequest memory request = IBalancerVault.JoinPoolRequest(lpTokens, amounts, userData, false); IBalancerVault(_vault).joinPool(_poolId, address(this), address(this), request); } function multiJoin(address _vault, address _want, bytes32 _poolId, address _token0In, address _token1In, uint256 _amount0In, uint256 _amount1In) internal { (address[] memory lpTokens,uint256[] memory balances,) = IBalancerVault(_vault).getPoolTokens(_poolId); uint256 supply = IERC20(_want).totalSupply(); uint256[] memory amounts = new uint256[](lpTokens.length); for (uint256 i = 0; i < amounts.length;) { if (lpTokens[i] == _token0In) amounts[i] = _amount0In; else if (lpTokens[i] == _token1In) amounts[i] = _amount1In; else amounts[i] = 0; unchecked { ++i; } } uint256 bpt0 = amounts[0] * supply / balances[0] - 10; uint256 bpt1 = amounts[1] * supply / balances[1] - 10; uint256 bptOut = bpt0 > bpt1 ? bpt1 : bpt0; bytes memory userData = abi.encode(3, bptOut); IBalancerVault.JoinPoolRequest memory request = IBalancerVault.JoinPoolRequest(lpTokens, amounts, userData, false); IBalancerVault(_vault).joinPool(_poolId, address(this), address(this), request); } function buildSwapStructArray(BeefyBalancerStructs.BatchSwapStruct[] memory _route, uint256 _amountIn) internal pure returns (IBalancerVault.BatchSwapStep[] memory) { IBalancerVault.BatchSwapStep[] memory swaps = new IBalancerVault.BatchSwapStep[](_route.length); for (uint i; i < _route.length;) { if (i == 0) { swaps[0] = IBalancerVault.BatchSwapStep({ poolId: _route[0].poolId, assetInIndex: _route[0].assetInIndex, assetOutIndex: _route[0].assetOutIndex, amount: _amountIn, userData: "" }); } else { swaps[i] = IBalancerVault.BatchSwapStep({ poolId: _route[i].poolId, assetInIndex: _route[i].assetInIndex, assetOutIndex: _route[i].assetOutIndex, amount: 0, userData: "" }); } unchecked { ++i; } } return swaps; } function balancerSwap(address _vault, IBalancerVault.SwapKind _swapKind, IBalancerVault.BatchSwapStep[] memory _swaps, address[] memory _route, IBalancerVault.FundManagement memory _funds, int256 _amountIn) internal returns (int256[] memory) { int256[] memory limits = new int256[](_route.length); for (uint i; i < _route.length;) { if (i == 0) { limits[0] = _amountIn; } else if (i == _route.length - 1) { limits[i] = -1; } unchecked { ++i; } } return IBalancerVault(_vault).batchSwap(_swapKind, _swaps, _route, _funds, limits, block.timestamp); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library BeefyBalancerStructs { enum RouterType { BALANCER, UNISWAP_V2, UNISWAP_V3 } struct BatchSwapStruct { bytes32 poolId; uint256 assetInIndex; uint256 assetOutIndex; } struct Reward { RouterType routerType; address router; mapping(uint => BatchSwapStruct) swapInfo; address[] assets; bytes routeToNative; // backup route in case there is no Balancer liquidity for reward uint minAmount; // minimum amount to be swapped to native } struct Input { address input; bool isComposable; bool isBeets; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol"; import "../../interfaces/common/IFeeConfig.sol"; contract StratFeeManagerInitializable is OwnableUpgradeable, PausableUpgradeable { struct CommonAddresses { address vault; address unirouter; address keeper; address strategist; address beefyFeeRecipient; address beefyFeeConfig; } // common addresses for the strategy address public vault; address public unirouter; address public keeper; address public strategist; address public beefyFeeRecipient; IFeeConfig public beefyFeeConfig; uint256 constant DIVISOR = 1 ether; uint256 constant public WITHDRAWAL_FEE_CAP = 50; uint256 constant public WITHDRAWAL_MAX = 10000; uint256 internal withdrawalFee; event SetStratFeeId(uint256 feeId); event SetWithdrawalFee(uint256 withdrawalFee); event SetVault(address vault); event SetUnirouter(address unirouter); event SetKeeper(address keeper); event SetStrategist(address strategist); event SetBeefyFeeRecipient(address beefyFeeRecipient); event SetBeefyFeeConfig(address beefyFeeConfig); function __StratFeeManager_init(CommonAddresses calldata _commonAddresses) internal onlyInitializing { __Ownable_init(); __Pausable_init(); vault = _commonAddresses.vault; unirouter = _commonAddresses.unirouter; keeper = _commonAddresses.keeper; strategist = _commonAddresses.strategist; beefyFeeRecipient = _commonAddresses.beefyFeeRecipient; beefyFeeConfig = IFeeConfig(_commonAddresses.beefyFeeConfig); withdrawalFee = 10; } // checks that caller is either owner or keeper. modifier onlyManager() { _checkManager(); _; } function _checkManager() internal view { require(msg.sender == owner() || msg.sender == keeper, "!manager"); } // fetch fees from config contract function getFees() internal view returns (IFeeConfig.FeeCategory memory) { return beefyFeeConfig.getFees(address(this)); } // fetch fees from config contract and dynamic deposit/withdraw fees function getAllFees() external view returns (IFeeConfig.AllFees memory) { return IFeeConfig.AllFees(getFees(), depositFee(), withdrawFee()); } function getStratFeeId() external view returns (uint256) { return beefyFeeConfig.stratFeeId(address(this)); } function setStratFeeId(uint256 _feeId) external onlyManager { beefyFeeConfig.setStratFeeId(_feeId); emit SetStratFeeId(_feeId); } // adjust withdrawal fee function setWithdrawalFee(uint256 _fee) public onlyManager { require(_fee <= WITHDRAWAL_FEE_CAP, "!cap"); withdrawalFee = _fee; emit SetWithdrawalFee(_fee); } // set new vault (only for strategy upgrades) function setVault(address _vault) external onlyOwner { vault = _vault; emit SetVault(_vault); } // set new unirouter function setUnirouter(address _unirouter) external onlyOwner { unirouter = _unirouter; emit SetUnirouter(_unirouter); } // set new keeper to manage strat function setKeeper(address _keeper) external onlyManager { keeper = _keeper; emit SetKeeper(_keeper); } // set new strategist address to receive strat fees function setStrategist(address _strategist) external { require(msg.sender == strategist, "!strategist"); strategist = _strategist; emit SetStrategist(_strategist); } // set new beefy fee address to receive beefy fees function setBeefyFeeRecipient(address _beefyFeeRecipient) external onlyOwner { beefyFeeRecipient = _beefyFeeRecipient; emit SetBeefyFeeRecipient(_beefyFeeRecipient); } // set new fee config address to fetch fees function setBeefyFeeConfig(address _beefyFeeConfig) external onlyOwner { beefyFeeConfig = IFeeConfig(_beefyFeeConfig); emit SetBeefyFeeConfig(_beefyFeeConfig); } function depositFee() public virtual view returns (uint256) { return 0; } function withdrawFee() public virtual view returns (uint256) { return paused() ? 0 : withdrawalFee; } function beforeDeposit() external virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "../interfaces/common/IKyberElastic.sol"; import "../interfaces/common/IUniswapRouterV3.sol"; import "../interfaces/common/IUniswapRouterV3WithDeadline.sol"; library UniV3Actions { // kyber V3 swap function kyberSwap(address _router, bytes memory _path, uint256 _amount) internal returns (uint256 amountOut) { IKyberElastic.ExactInputParams memory swapParams = IKyberElastic.ExactInputParams({ path: _path, recipient: address(this), deadline: block.timestamp, amountIn: _amount, minAmountOut: 0 }); return IKyberElastic(_router).swapExactInput(swapParams); } // Uniswap V3 swap function swapV3(address _router, bytes memory _path, uint256 _amount) internal returns (uint256 amountOut) { IUniswapRouterV3.ExactInputParams memory swapParams = IUniswapRouterV3.ExactInputParams({ path: _path, recipient: address(this), amountIn: _amount, amountOutMinimum: 0 }); return IUniswapRouterV3(_router).exactInput(swapParams); } // Uniswap V3 swap with deadline function swapV3WithDeadline(address _router, bytes memory _path, uint256 _amount) internal returns (uint256 amountOut) { IUniswapRouterV3WithDeadline.ExactInputParams memory swapParams = IUniswapRouterV3WithDeadline.ExactInputParams({ path: _path, recipient: address(this), deadline: block.timestamp, amountIn: _amount, amountOutMinimum: 0 }); return IUniswapRouterV3WithDeadline(_router).exactInput(swapParams); } // Uniswap V3 swap with deadline function swapV3WithDeadline(address _router, bytes memory _path, uint256 _amount, address _to) internal returns (uint256 amountOut) { IUniswapRouterV3WithDeadline.ExactInputParams memory swapParams = IUniswapRouterV3WithDeadline.ExactInputParams({ path: _path, recipient: _to, deadline: block.timestamp, amountIn: _amount, amountOutMinimum: 0 }); return IUniswapRouterV3WithDeadline(_router).exactInput(swapParams); } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.