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Latest 25 from a total of 933 transactions
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Deposit From Cvx | 17428637 | 387 days ago | IN | 0 ETH | 0.00719689 | ||||
Deposit From Cvx | 17427727 | 388 days ago | IN | 0 ETH | 0.00759822 | ||||
Deposit From Cvx | 17427192 | 388 days ago | IN | 0 ETH | 0.00801606 | ||||
Deposit From Cvx | 17426191 | 388 days ago | IN | 0 ETH | 0.0089718 | ||||
Deposit From Cvx | 17425989 | 388 days ago | IN | 0 ETH | 0.00677809 | ||||
Claim From Vault... | 17422620 | 388 days ago | IN | 0 ETH | 0.01022583 | ||||
Claim From Vault... | 17422498 | 388 days ago | IN | 0 ETH | 0.01086669 | ||||
Deposit From Cvx | 17420197 | 389 days ago | IN | 0 ETH | 0.00469311 | ||||
Claim From Vault... | 17419348 | 389 days ago | IN | 0 ETH | 0.01321751 | ||||
Deposit From Cvx | 17418733 | 389 days ago | IN | 0 ETH | 0.00465221 | ||||
Deposit From Cvx | 17416922 | 389 days ago | IN | 0 ETH | 0.00716565 | ||||
Deposit From Eth | 17415883 | 389 days ago | IN | 1.6 ETH | 0.02935595 | ||||
Claim From Vault... | 17411467 | 390 days ago | IN | 0 ETH | 0.01010453 | ||||
Deposit From Crv | 17410691 | 390 days ago | IN | 0 ETH | 0.01836989 | ||||
Deposit From Cvx | 17406174 | 391 days ago | IN | 0 ETH | 0.00428041 | ||||
Claim From Vault... | 17406049 | 391 days ago | IN | 0 ETH | 0.01324253 | ||||
Claim From Vault... | 17405603 | 391 days ago | IN | 0 ETH | 0.01312067 | ||||
Deposit From Cvx | 17401927 | 391 days ago | IN | 0 ETH | 0.00658386 | ||||
Claim From Vault... | 17398874 | 392 days ago | IN | 0 ETH | 0.00875356 | ||||
Deposit From Cvx | 17397485 | 392 days ago | IN | 0 ETH | 0.00675626 | ||||
Claim From Vault... | 17396247 | 392 days ago | IN | 0 ETH | 0.01607704 | ||||
Claim From Vault... | 17395243 | 392 days ago | IN | 0 ETH | 0.00902605 | ||||
Deposit From Cvx | 17392464 | 392 days ago | IN | 0 ETH | 0.00902263 | ||||
Deposit From Cvx | 17390903 | 393 days ago | IN | 0 ETH | 0.00753961 | ||||
Deposit From Cvx | 17386533 | 393 days ago | IN | 0 ETH | 0.01464279 |
Latest 25 internal transactions (View All)
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Parent Transaction Hash | Block | From | To | Value | ||
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17419348 | 389 days ago | 0.54003918 ETH | ||||
17419348 | 389 days ago | 0.54003918 ETH | ||||
17415883 | 389 days ago | 1.6 ETH | ||||
17410691 | 390 days ago | 0.46466061 ETH | ||||
17410691 | 390 days ago | 0.46466061 ETH | ||||
17406049 | 391 days ago | 6.18476608 ETH | ||||
17406049 | 391 days ago | 6.18476608 ETH | ||||
17405603 | 391 days ago | 0.14261974 ETH | ||||
17405603 | 391 days ago | 0.14261974 ETH | ||||
17398330 | 392 days ago | 0.19403085 ETH | ||||
17398330 | 392 days ago | 0.19403085 ETH | ||||
17396247 | 392 days ago | 0.06726565 ETH | ||||
17396247 | 392 days ago | 0.06726565 ETH | ||||
17385987 | 393 days ago | 0.27191212 ETH | ||||
17385987 | 393 days ago | 0.27191212 ETH | ||||
17382023 | 394 days ago | 0.23852846 ETH | ||||
17382023 | 394 days ago | 0.23852846 ETH | ||||
17375628 | 395 days ago | 0.17129761 ETH | ||||
17375628 | 395 days ago | 0.17129761 ETH | ||||
17362200 | 397 days ago | 0.17112676 ETH | ||||
17362200 | 397 days ago | 0.17112676 ETH | ||||
17356728 | 398 days ago | 0.35066309 ETH | ||||
17356728 | 398 days ago | 0.35066309 ETH | ||||
17355974 | 398 days ago | 0.91298827 ETH | ||||
17355974 | 398 days ago | 0.91298827 ETH |
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Contract Name:
PCvxZaps
Compiler Version
v0.8.9+commit.e5eed63a
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; import "SafeERC20.sol"; import "ReentrancyGuard.sol"; import "ERC20.sol"; import "UnionBase.sol"; import "IGenericVault.sol"; import "IUniV2Router.sol"; import "ICurveTriCrypto.sol"; import "IERC4626.sol"; import "IPirexCVX.sol"; contract PCvxZaps is UnionBase, ReentrancyGuard { using SafeERC20 for IERC20; address private constant PIREX_CVX = 0x35A398425d9f1029021A92bc3d2557D42C8588D7; address private constant PXCVX_TOKEN = 0xBCe0Cf87F513102F22232436CCa2ca49e815C3aC; address private constant PXCVX_VAULT = 0x8659Fc767cad6005de79AF65dAfE4249C57927AF; address private constant WETH_TOKEN = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2; address private constant TRICRYPTO = 0xD51a44d3FaE010294C616388b506AcdA1bfAAE46; address private constant USDT_TOKEN = 0xdAC17F958D2ee523a2206206994597C13D831ec7; address private constant CURVE_CVX_PCVX_POOL = 0xF3456E8061461e144b3f252E69DcD5b6070fdEE0; IERC4626 vault = IERC4626(PXCVX_VAULT); ICurveTriCrypto triCryptoSwap = ICurveTriCrypto(TRICRYPTO); /// @notice Set approvals for the contracts used when swapping & staking function setApprovals() external { IERC20(PXCVX_TOKEN).safeApprove(PXCVX_VAULT, 0); IERC20(PXCVX_TOKEN).safeApprove(PXCVX_VAULT, type(uint256).max); IERC20(CVX_TOKEN).safeApprove(PIREX_CVX, 0); IERC20(CVX_TOKEN).safeApprove(PIREX_CVX, type(uint256).max); IERC20(CVX_TOKEN).safeApprove(CURVE_CVX_ETH_POOL, 0); IERC20(CVX_TOKEN).safeApprove(CURVE_CVX_ETH_POOL, type(uint256).max); IERC20(CVX_TOKEN).safeApprove(CURVE_CVX_PCVX_POOL, 0); IERC20(CVX_TOKEN).safeApprove(CURVE_CVX_PCVX_POOL, type(uint256).max); IERC20(PXCVX_TOKEN).safeApprove(CURVE_CVX_PCVX_POOL, 0); IERC20(PXCVX_TOKEN).safeApprove(CURVE_CVX_PCVX_POOL, type(uint256).max); IERC20(CVXCRV_TOKEN).safeApprove(CURVE_CVXCRV_CRV_POOL, 0); IERC20(CVXCRV_TOKEN).safeApprove( CURVE_CVXCRV_CRV_POOL, type(uint256).max ); IERC20(CRV_TOKEN).safeApprove(CURVE_CRV_ETH_POOL, 0); IERC20(CRV_TOKEN).safeApprove(CURVE_CRV_ETH_POOL, type(uint256).max); IERC20(CRV_TOKEN).safeApprove(CURVE_CVXCRV_CRV_POOL, 0); IERC20(CRV_TOKEN).safeApprove(CURVE_CVXCRV_CRV_POOL, type(uint256).max); } function _deposit( uint256 _amount, uint256 _minAmountOut, address _to ) internal { if (ICurveV2Pool(CURVE_CVX_PCVX_POOL).price_oracle() < 1 ether) { uint256 _pxCvxAmount = ICurveV2Pool(CURVE_CVX_PCVX_POOL).exchange( 0, 1, _amount, _minAmountOut, false, address(this) ); vault.deposit(_pxCvxAmount, _to); } else { require(_amount >= _minAmountOut, "slippage"); IPirexCVX(PIREX_CVX).deposit(_amount, _to, true, address(0)); } } /// @notice Deposit into the pounder from ETH /// @param minAmountOut - min amount of pCVX tokens expected /// @param to - address to stake on behalf of function depositFromEth(uint256 minAmountOut, address to) external payable notToZeroAddress(to) { require(msg.value > 0, "cheap"); _depositFromEth(msg.value, minAmountOut, to); } /// @notice Deposit into the pounder from CRV /// @param minAmountOut - min amount of pCVX tokens expected /// @param to - address to stake on behalf of function depositFromCrv( uint256 amount, uint256 minAmountOut, address to ) external notToZeroAddress(to) { IERC20(CRV_TOKEN).safeTransferFrom(msg.sender, address(this), amount); uint256 _ethBalance = _swapCrvToEth(amount); _depositFromEth(_ethBalance, minAmountOut, to); } /// @notice Deposit into the pounder from CVX /// @param minAmountOut - min amount of pCVX tokens expected /// @param to - address to stake on behalf of function depositFromCvx( uint256 amount, uint256 minAmountOut, address to ) external notToZeroAddress(to) { IERC20(CVX_TOKEN).safeTransferFrom(msg.sender, address(this), amount); _deposit(amount, minAmountOut, to); } /// @notice Deposit into the pounder from cvxCRV /// @param minAmountOut - min amount of pCVX tokens expected /// @param to - address to stake on behalf of function depositFromCvxCrv( uint256 amount, uint256 minAmountOut, address to ) external notToZeroAddress(to) { IERC20(CVXCRV_TOKEN).safeTransferFrom( msg.sender, address(this), amount ); uint256 _crvBalance = _swapCvxCrvToCrv(amount, address(this)); uint256 _ethBalance = _swapCrvToEth(_crvBalance); _depositFromEth(_ethBalance, minAmountOut, to); } /// @notice Internal function to deposit ETH to the pounder /// @param _amount - amount of ETH /// @param _minAmountOut - min amount of tokens expected /// @param _to - address to stake on behalf of function _depositFromEth( uint256 _amount, uint256 _minAmountOut, address _to ) internal { uint256 _cvxBalance = _swapEthToCvx(_amount); _deposit(_cvxBalance, _minAmountOut, _to); } /// @notice Deposit into the pounder from any token via Uni interface /// @notice Use at your own risk /// @dev Zap contract needs approval for spending of inputToken /// @param amount - min amount of input token /// @param minAmountOut - min amount of cvxCRV expected /// @param router - address of the router to use. e.g. 0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F for Sushi /// @param inputToken - address of the token to swap from, needs to have an ETH pair on router used /// @param to - address to stake on behalf of function depositViaUniV2EthPair( uint256 amount, uint256 minAmountOut, address router, address inputToken, address to ) external notToZeroAddress(to) { require(router != address(0)); IERC20(inputToken).safeTransferFrom(msg.sender, address(this), amount); address[] memory _path = new address[](2); _path[0] = inputToken; _path[1] = WETH_TOKEN; IERC20(inputToken).safeApprove(router, 0); IERC20(inputToken).safeApprove(router, amount); IUniV2Router(router).swapExactTokensForETH( amount, 1, _path, address(this), block.timestamp + 1 ); _depositFromEth(address(this).balance, minAmountOut, to); } /// @notice Unstake and converts pxCVX to CVX /// @param _amount - amount to withdraw /// @param _minAmountOut - minimum amount of LP tokens expected /// @param _to - receiver /// @return amount of underlying withdrawn function _claimAsCvx( uint256 _amount, uint256 _minAmountOut, address _to ) internal returns (uint256) { return ICurveV2Pool(CURVE_CVX_PCVX_POOL).exchange( 1, 0, _amount, _minAmountOut, false, _to ); } /// @notice Retrieves a user's vault shares and withdraw all /// @param _amount - amount of shares to retrieve function _claimAndWithdraw(uint256 _amount) internal { require( vault.transferFrom(msg.sender, address(this), _amount), "error" ); vault.redeem(_amount, address(this), address(this)); } /// @notice Claim as CVX /// @param amount - amount to withdraw /// @param minAmountOut - minimum amount of underlying tokens expected /// @param to - address to send withdrawn underlying to /// @return amount of underlying withdrawn function claimFromVaultAsCvx( uint256 amount, uint256 minAmountOut, address to ) public notToZeroAddress(to) returns (uint256) { _claimAndWithdraw(amount); return _claimAsCvx( IERC20(PXCVX_TOKEN).balanceOf(address(this)), minAmountOut, to ); } /// @notice Claim as native ETH /// @param amount - amount to withdraw /// @param minAmountOut - minimum amount of ETH expected /// @param to - address to send ETH to /// @return amount of ETH withdrawn function claimFromVaultAsEth( uint256 amount, uint256 minAmountOut, address to ) public notToZeroAddress(to) returns (uint256) { uint256 _ethAmount = _claimAsEth(amount); require(_ethAmount >= minAmountOut, "slippage"); (bool success, ) = to.call{value: _ethAmount}(""); require(success, "ETH transfer failed"); return _ethAmount; } /// @notice Withdraw as native ETH (internal) /// @param _amount - amount to withdraw /// @return amount of ETH withdrawn function _claimAsEth(uint256 _amount) public nonReentrant returns (uint256) { _claimAndWithdraw(_amount); uint256 _cvxAmount = _claimAsCvx( IERC20(PXCVX_TOKEN).balanceOf(address(this)), 0, address(this) ); return cvxEthSwap.exchange_underlying( CVXETH_CVX_INDEX, CVXETH_ETH_INDEX, _cvxAmount, 0 ); } /// @notice Claim to any token via a univ2 router /// @notice Use at your own risk /// @param amount - amount to unstake /// @param minAmountOut - min amount of output token expected /// @param router - address of the router to use. e.g. 0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F for Sushi /// @param outputToken - address of the token to swap to /// @param to - address of the final recipient of the swapped tokens function claimFromVaultViaUniV2EthPair( uint256 amount, uint256 minAmountOut, address router, address outputToken, address to ) public notToZeroAddress(to) { require(router != address(0)); _claimAsEth(amount); address[] memory _path = new address[](2); _path[0] = WETH_TOKEN; _path[1] = outputToken; IUniV2Router(router).swapExactETHForTokens{ value: address(this).balance }(minAmountOut, _path, to, block.timestamp + 1); } /// @notice Claim as USDT via Tricrypto /// @param amount - the amount to unstake /// @param minAmountOut - the min expected amount of USDT to receive /// @param to - the adress that will receive the USDT /// @return amount of USDT obtained function claimFromVaultAsUsdt( uint256 amount, uint256 minAmountOut, address to ) public notToZeroAddress(to) returns (uint256) { uint256 _ethAmount = _claimAsEth(amount); _swapEthToUsdt(_ethAmount, minAmountOut); uint256 _usdtAmount = IERC20(USDT_TOKEN).balanceOf(address(this)); IERC20(USDT_TOKEN).safeTransfer(to, _usdtAmount); return _usdtAmount; } /// @notice Withdraw as CRV (internal) /// @param _amount - amount to withdraw /// @param _minAmountOut - min amount received /// @return amount of CRV withdrawn function _claimAsCrv(uint256 _amount, uint256 _minAmountOut) internal returns (uint256) { uint256 _ethAmount = _claimAsEth(_amount); return _swapEthToCrv(_ethAmount, _minAmountOut); } /// @notice Claim as CRV /// @param amount - the amount to unstake /// @param minAmountOut - the min expected amount received /// @param to - receiver address /// @return amount obtained function claimFromVaultAsCrv( uint256 amount, uint256 minAmountOut, address to ) public notToZeroAddress(to) returns (uint256) { uint256 _crvAmount = _claimAsCrv(amount, minAmountOut); IERC20(CRV_TOKEN).safeTransfer(to, _crvAmount); return _crvAmount; } /// @notice Claim as cvxCRV /// @param amount - the amount to unstake /// @param minAmountOut - the min expected amount received /// @param to - receiver address /// @return amount obtained function claimFromVaultAsCvxCrv( uint256 amount, uint256 minAmountOut, address to ) public notToZeroAddress(to) returns (uint256) { uint256 _crvAmount = _claimAsCrv(amount, 0); return _swapCrvToCvxCrv(_crvAmount, to, minAmountOut); } /// @notice swap ETH to USDT via Curve's tricrypto /// @param _amount - the amount of ETH to swap /// @param _minAmountOut - the minimum amount expected function _swapEthToUsdt(uint256 _amount, uint256 _minAmountOut) internal { triCryptoSwap.exchange{value: _amount}( 2, // ETH 0, // USDT _amount, _minAmountOut, true ); } receive() external payable {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "IERC20.sol"; import "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' // solhint-disable-next-line max-line-length 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)); } } /** * @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 // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @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 `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool); /** * @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); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @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 * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 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"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (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"); // solhint-disable-next-line avoid-low-level-calls (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"); // solhint-disable-next-line avoid-low-level-calls (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"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private 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 // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier * available, which can be applied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. * * TIP: If you would like to learn more about reentrancy and alternative ways * to protect against it, check out our blog post * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul]. */ abstract contract ReentrancyGuard { // Booleans are more expensive than uint256 or any type that takes up a full // word because each write operation emits an extra SLOAD to first read the // slot's contents, replace the bits taken up by the boolean, and then write // back. This is the compiler's defense against contract upgrades and // pointer aliasing, and it cannot be disabled. // The values being non-zero value makes deployment a bit more expensive, // but in exchange the refund on every call to nonReentrant will be lower in // amount. Since refunds are capped to a percentage of the total // transaction's gas, it is best to keep them low in cases like this one, to // increase the likelihood of the full refund coming into effect. uint256 private constant _NOT_ENTERED = 1; uint256 private constant _ENTERED = 2; uint256 private _status; constructor () { _status = _NOT_ENTERED; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { // On the first call to nonReentrant, _notEntered will be true require(_status != _ENTERED, "ReentrancyGuard: reentrant call"); // Any calls to nonReentrant after this point will fail _status = _ENTERED; _; // By storing the original value once again, a refund is triggered (see // https://eips.ethereum.org/EIPS/eip-2200) _status = _NOT_ENTERED; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "IERC20.sol"; import "IERC20Metadata.sol"; import "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 guidelines: functions revert instead * of 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 defaut 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: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, 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}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), 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}. * * Requirements: * * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); uint256 currentAllowance = _allowances[sender][_msgSender()]; require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance"); _approve(sender, _msgSender(), currentAllowance - 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) { _approve(_msgSender(), spender, _allowances[_msgSender()][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) { uint256 currentAllowance = _allowances[_msgSender()][spender]; require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero"); _approve(_msgSender(), spender, currentAllowance - subtractedValue); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is 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: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); uint256 senderBalance = _balances[sender]; require(senderBalance >= amount, "ERC20: transfer amount exceeds balance"); _balances[sender] = senderBalance - amount; _balances[recipient] += amount; emit Transfer(sender, recipient, 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: * * - `to` 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); } /** * @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"); _balances[account] = accountBalance - amount; _totalSupply -= amount; emit Transfer(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 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 to 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 { } }
// SPDX-License-Identifier: MIT 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 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) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; import "ICurveV2Pool.sol"; import "ICurveFactoryPool.sol"; import "IBasicRewards.sol"; // Common variables and functions contract UnionBase { address public constant CVXCRV_STAKING_CONTRACT = 0x3Fe65692bfCD0e6CF84cB1E7d24108E434A7587e; address public constant CURVE_CRV_ETH_POOL = 0x8301AE4fc9c624d1D396cbDAa1ed877821D7C511; address public constant CURVE_CVX_ETH_POOL = 0xB576491F1E6e5E62f1d8F26062Ee822B40B0E0d4; address public constant CURVE_CVXCRV_CRV_POOL = 0x9D0464996170c6B9e75eED71c68B99dDEDf279e8; address public constant CRV_TOKEN = 0xD533a949740bb3306d119CC777fa900bA034cd52; address public constant CVXCRV_TOKEN = 0x62B9c7356A2Dc64a1969e19C23e4f579F9810Aa7; address public constant CVX_TOKEN = 0x4e3FBD56CD56c3e72c1403e103b45Db9da5B9D2B; uint256 public constant CRVETH_ETH_INDEX = 0; uint256 public constant CRVETH_CRV_INDEX = 1; int128 public constant CVXCRV_CRV_INDEX = 0; int128 public constant CVXCRV_CVXCRV_INDEX = 1; uint256 public constant CVXETH_ETH_INDEX = 0; uint256 public constant CVXETH_CVX_INDEX = 1; IBasicRewards cvxCrvStaking = IBasicRewards(CVXCRV_STAKING_CONTRACT); ICurveV2Pool cvxEthSwap = ICurveV2Pool(CURVE_CVX_ETH_POOL); ICurveV2Pool crvEthSwap = ICurveV2Pool(CURVE_CRV_ETH_POOL); ICurveFactoryPool crvCvxCrvSwap = ICurveFactoryPool(CURVE_CVXCRV_CRV_POOL); /// @notice Swap CRV for cvxCRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @return amount of CRV obtained after the swap function _swapCrvToCvxCrv(uint256 amount, address recipient) internal returns (uint256) { return _crvToCvxCrv(amount, recipient, 0); } /// @notice Swap CRV for cvxCRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _swapCrvToCvxCrv( uint256 amount, address recipient, uint256 minAmountOut ) internal returns (uint256) { return _crvToCvxCrv(amount, recipient, minAmountOut); } /// @notice Swap CRV for cvxCRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _crvToCvxCrv( uint256 amount, address recipient, uint256 minAmountOut ) internal returns (uint256) { return crvCvxCrvSwap.exchange( CVXCRV_CRV_INDEX, CVXCRV_CVXCRV_INDEX, amount, minAmountOut, recipient ); } /// @notice Swap cvxCRV for CRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @return amount of CRV obtained after the swap function _swapCvxCrvToCrv(uint256 amount, address recipient) internal returns (uint256) { return _cvxCrvToCrv(amount, recipient, 0); } /// @notice Swap cvxCRV for CRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _swapCvxCrvToCrv( uint256 amount, address recipient, uint256 minAmountOut ) internal returns (uint256) { return _cvxCrvToCrv(amount, recipient, minAmountOut); } /// @notice Swap cvxCRV for CRV on Curve /// @param amount - amount to swap /// @param recipient - where swapped tokens will be sent to /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _cvxCrvToCrv( uint256 amount, address recipient, uint256 minAmountOut ) internal returns (uint256) { return crvCvxCrvSwap.exchange( CVXCRV_CVXCRV_INDEX, CVXCRV_CRV_INDEX, amount, minAmountOut, recipient ); } /// @notice Swap CRV for native ETH on Curve /// @param amount - amount to swap /// @return amount of ETH obtained after the swap function _swapCrvToEth(uint256 amount) internal returns (uint256) { return _crvToEth(amount, 0); } /// @notice Swap CRV for native ETH on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of ETH obtained after the swap function _swapCrvToEth(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return _crvToEth(amount, minAmountOut); } /// @notice Swap CRV for native ETH on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of ETH obtained after the swap function _crvToEth(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return crvEthSwap.exchange_underlying{value: 0}( CRVETH_CRV_INDEX, CRVETH_ETH_INDEX, amount, minAmountOut ); } /// @notice Swap native ETH for CRV on Curve /// @param amount - amount to swap /// @return amount of CRV obtained after the swap function _swapEthToCrv(uint256 amount) internal returns (uint256) { return _ethToCrv(amount, 0); } /// @notice Swap native ETH for CRV on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _swapEthToCrv(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return _ethToCrv(amount, minAmountOut); } /// @notice Swap native ETH for CRV on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _ethToCrv(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return crvEthSwap.exchange_underlying{value: amount}( CRVETH_ETH_INDEX, CRVETH_CRV_INDEX, amount, minAmountOut ); } /// @notice Swap native ETH for CVX on Curve /// @param amount - amount to swap /// @return amount of CRV obtained after the swap function _swapEthToCvx(uint256 amount) internal returns (uint256) { return _ethToCvx(amount, 0); } /// @notice Swap native ETH for CVX on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _swapEthToCvx(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return _ethToCvx(amount, minAmountOut); } /// @notice Swap native ETH for CVX on Curve /// @param amount - amount to swap /// @param minAmountOut - minimum expected amount of output tokens /// @return amount of CRV obtained after the swap function _ethToCvx(uint256 amount, uint256 minAmountOut) internal returns (uint256) { return cvxEthSwap.exchange_underlying{value: amount}( CVXETH_ETH_INDEX, CVXETH_CVX_INDEX, amount, minAmountOut ); } modifier notToZeroAddress(address _to) { require(_to != address(0), "Invalid address!"); _; } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface ICurveV2Pool { function get_dy( uint256 i, uint256 j, uint256 dx ) external view returns (uint256); function calc_token_amount(uint256[2] calldata amounts) external view returns (uint256); function exchange_underlying( uint256 i, uint256 j, uint256 dx, uint256 min_dy ) external payable returns (uint256); function add_liquidity(uint256[2] calldata amounts, uint256 min_mint_amount) external returns (uint256); function lp_price() external view returns (uint256); function exchange( uint256 i, uint256 j, uint256 dx, uint256 min_dy ) external payable returns (uint256); function exchange( uint256 i, uint256 j, uint256 dx, uint256 min_dy, bool use_eth ) external payable returns (uint256); function exchange( uint256 i, uint256 j, uint256 dx, uint256 min_dy, bool use_eth, address receiver ) external payable returns (uint256); function price_oracle() external view returns (uint256); function remove_liquidity_one_coin( uint256 token_amount, uint256 i, uint256 min_amount, bool use_eth, address receiver ) external returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface ICurveFactoryPool { function get_dy( int128 i, int128 j, uint256 dx ) external view returns (uint256); function get_balances() external view returns (uint256[2] memory); function add_liquidity( uint256[2] memory _amounts, uint256 _min_mint_amount, address _receiver ) external returns (uint256); function exchange( int128 i, int128 j, uint256 _dx, uint256 _min_dy, address _receiver ) external returns (uint256); }
// SPDX-License-Identifier: UNLICENSED pragma solidity 0.8.9; interface IBasicRewards { function stakeFor(address, uint256) external returns (bool); function balanceOf(address) external view returns (uint256); function earned(address) external view returns (uint256); function withdrawAll(bool) external returns (bool); function withdraw(uint256, bool) external returns (bool); function withdrawAndUnwrap(uint256 amount, bool claim) external returns (bool); function getReward() external returns (bool); function stake(uint256) external returns (bool); function extraRewards(uint256) external view returns (address); function exit() external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface IGenericVault { function withdraw(address _to, uint256 _shares) external returns (uint256 withdrawn); function withdrawAll(address _to) external returns (uint256 withdrawn); function depositAll(address _to) external returns (uint256 _shares); function deposit(address _to, uint256 _amount) external returns (uint256 _shares); function harvest() external; function balanceOfUnderlying(address user) external view returns (uint256 amount); function totalUnderlying() external view returns (uint256 total); function totalSupply() external view returns (uint256 total); function underlying() external view returns (address); function strategy() external view returns (address); function platform() external view returns (address); function setPlatform(address _platform) external; function setPlatformFee(uint256 _fee) external; function setCallIncentive(uint256 _incentive) external; function setWithdrawalPenalty(uint256 _penalty) external; function setApprovals() external; function callIncentive() external view returns (uint256); function platformFee() external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface IUniV2Router { function swapExactTokensForETH( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function swapExactETHForTokens( uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external payable returns (uint256[] memory amounts); function swapExactTokensForTokens( uint256 amountIn, uint256 amountOutMin, address[] calldata path, address to, uint256 deadline ) external returns (uint256[] memory amounts); function getAmountsOut(uint256 amountIn, address[] memory path) external view returns (uint256[] memory amounts); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; interface ICurveTriCrypto { function exchange( uint256 i, uint256 j, uint256 dx, uint256 min_dy, bool use_eth ) external payable; function get_dy( uint256 i, uint256 j, uint256 dx ) external view returns (uint256); }
// SPDX-License-Identifier: MIT pragma solidity 0.8.9; /** * @title EIP 4626 specification * @notice Interface of EIP 4626 Interface * as defined in https://eips.ethereum.org/EIPS/eip-4626 */ interface IERC4626 { /** * @notice Event indicating that `caller` exchanged `assets` for `shares`, and transferred those `shares` to `owner` * @dev Emitted when tokens are deposited into the vault via {mint} and {deposit} methods */ event Deposit( address indexed caller, address indexed owner, uint256 assets, uint256 shares ); /** * @notice Event indicating that `caller` exchanged `shares`, owned by `owner`, for `assets`, and transferred those * `assets` to `receiver` * @dev Emitted when shares are withdrawn from the vault via {redeem} or {withdraw} methods */ event Withdraw( address indexed caller, address indexed receiver, address indexed owner, uint256 assets, uint256 shares ); /** * @notice Returns the address of the underlying token used by the Vault * @return assetTokenAddress The address of the underlying ERC20 Token * @dev MUST be an ERC-20 token contract * * MUST not revert */ function asset() external view returns (address assetTokenAddress); /** * @notice Returns the total amount of the underlying asset managed by the Vault * @return totalManagedAssets Amount of the underlying asset * @dev Should include any compounding that occurs from yield. * * Should be inclusive of any fees that are charged against assets in the vault. * * Must not revert * */ function totalAssets() external view returns (uint256 totalManagedAssets); /** * * @notice Returns the amount of shares that, in an ideal scenario, the vault would exchange for the amount of assets * provided * * @param assets Amount of assets to convert * @return shares Amount of shares that would be exchanged for the provided amount of assets * * @dev MUST NOT be inclusive of any fees that are charged against assets in the Vault. * * MUST NOT show any variations depending on the caller. * * MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange. * * MUST NOT revert unless due to integer overflow caused by an unreasonably large input. * * MUST round down towards 0. * * This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and from. */ function convertToShares(uint256 assets) external view returns (uint256 shares); /** * * @notice Returns the amount of assets that the vault would exchange for the amount of shares provided * * @param shares Amount of vault shares to convert * @return assets Amount of assets that would be exchanged for the provided amount of shares * * @dev MUST NOT be inclusive of any fees that are charged against assets in the Vault. * * MUST NOT show any variations depending on the caller. * * MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange. * * MUST NOT revert unless due to integer overflow caused by an unreasonably large input. * * MUST round down towards 0. * * This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the * “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and from. */ function convertToAssets(uint256 shares) external view returns (uint256 assets); /** * * @notice Returns the maximum amount of the underlying asset that can be deposited into the vault for the `receiver` * through a {deposit} call * * @param receiver Address whose maximum deposit is being queries * @return maxAssets * * @dev MUST return the maximum amount of assets {deposit} would allow to be deposited for receiver and not cause a * revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if *necessary). This assumes that the user has infinite assets, i.e. MUST NOT rely on {balanceOf} of asset. * * MUST factor in both global and user-specific limits, like if deposits are entirely disabled (even temporarily) * it MUST return 0. * * MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited. * * MUST NOT revert. */ function maxDeposit(address receiver) external view returns (uint256 maxAssets); /** * @notice Simulate the effects of a user's deposit at the current block, given current on-chain conditions * @param assets Amount of assets * @return shares Amount of shares * @dev MUST return as close to and no more than the exact amount of Vault shares that would be minted in a {deposit} * call in the same transaction. I.e. deposit should return the same or more shares as {previewDeposit} if called in * the same transaction. (I.e. {previewDeposit} should underestimate or round-down) * * MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the * deposit would be accepted, regardless if the user has enough tokens approved, etc. * * MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees. * * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also * cause deposit to revert. * * Note that any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage * in share price or some other type of condition, meaning the depositor will lose assets by depositing. */ function previewDeposit(uint256 assets) external view returns (uint256 shares); /** * @notice Mints `shares` Vault shares to `receiver` by depositing exactly `amount` of underlying tokens * @param assets Amount of assets * @param receiver Address to deposit underlying tokens into * @dev Must emit the {Deposit} event * * MUST support ERC-20 {approve} / {transferFrom} on asset as a deposit flow. MAY support an additional flow in * which the underlying tokens are owned by the Vault contract before the {deposit} execution, and are accounted for * during {deposit}. * * MUST revert if all of `assets` cannot be deposited (due to deposit limit being reached, slippage, the user not * approving enough underlying tokens to the Vault contract, etc). * * Note that most implementations will require pre-approval of the Vault with the Vault’s underlying asset token. */ function deposit(uint256 assets, address receiver) external returns (uint256 shares); /** * @notice Returns the maximum amount of shares that can be minted from the vault for the `receiver``, via a `mint` * call * @param receiver Address to deposit minted shares into * @return maxShares The maximum amount of shares * @dev MUST return the maximum amount of shares mint would allow to be deposited to receiver and not cause a revert, * which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if necessary). * This assumes that the user has infinite assets, i.e. MUST NOT rely on balanceOf of asset. * * MUST factor in both global and user-specific limits, like if mints are entirely disabled (even temporarily) it * * MUST return 0. * * MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted. * * MUST NOT revert. */ function maxMint(address receiver) external view returns (uint256 maxShares); /** * @notice Simulate the effects of a user's mint at the current block, given current on-chain conditions * @param shares Amount of shares to mint * @return assets Amount of assets required to mint `mint` amount of shares * @dev MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call * in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the same * transaction. (I.e. {previewMint} should overestimate or round-up) * * MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint * would be accepted, regardless if the user has enough tokens approved, etc. * * MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees. * * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also * cause mint to revert. * * Note that any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by minting. */ function previewMint(uint256 shares) external view returns (uint256 assets); /** * @notice Mints exactly `shares` vault shares to `receiver` by depositing `amount` of underlying tokens * @param shares Amount of shares to mint * @param receiver Address to deposit minted shares into * @return assets Amount of assets transferred to vault * @dev Must emit the {Deposit} event * * MUST support ERC-20 {approve} / {transferFrom} on asset as a mint flow. MAY support an additional flow in * which the underlying tokens are owned by the Vault contract before the mint execution, and are accounted for * during mint. * * MUST revert if all of `shares` cannot be minted (due to deposit limit being reached, slippage, the user not * approving enough underlying tokens to the Vault contract, etc). * * Note that most implementations will require pre-approval of the Vault with the Vault’s underlying asset token. */ function mint(uint256 shares, address receiver) external returns (uint256 assets); /** * @notice Returns the maximum amount of the underlying asset that can be withdrawn from the `owner` balance in the * vault, through a `withdraw` call. * @param owner Address of the owner whose max withdrawal amount is being queries * @return maxAssets Maximum amount of underlying asset that can be withdrawn * @dev MUST return the maximum amount of assets that could be transferred from `owner` through {withdraw} and not * cause a revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if * necessary). * * MUST factor in both global and user-specific limits, like if withdrawals are entirely disabled * (even temporarily) it MUST return 0. * * MUST NOT revert. */ function maxWithdraw(address owner) external view returns (uint256 maxAssets); /** * @notice Simulate the effects of a user's withdrawal at the current block, given current on-chain conditions. * @param assets Amount of assets * @return shares Amount of shares * @dev MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a * {withdraw} call in the same transaction. I.e. {withdraw} should return the same or fewer shares as * {previewWithdraw} if called in the same transaction. (I.e. {previewWithdraw should overestimate or round-up}) * * MUST NOT account for withdrawal limits like those returned from {maxWithdraw} and should always act as though * the withdrawal would be accepted, regardless if the user has enough shares, etc. * * MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees. * * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also * cause {withdraw} to revert. * * Note that any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in * share price or some other type of condition, meaning the depositor will lose assets by depositing. */ function previewWithdraw(uint256 assets) external view returns (uint256 shares); /** * @notice Burns `shares` from `owner` and sends exactly `assets` of underlying tokens to `receiver` * @param assets Amount of underling assets to withdraw * @return shares Amount of shares that will be burned * @dev Must emit the {Withdraw} event * * MUST support a withdraw flow where the shares are burned from `owner` directly where `owner` is `msg.sender` * or `msg.sender` has ERC-20 approval over the shares of `owner`. MAY support an additional flow in which the shares * are transferred to the Vault contract before the withdraw execution, and are accounted for during withdraw. * * MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner * not having enough shares, etc). * * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed. * Those methods should be performed separately. */ function withdraw( uint256 assets, address receiver, address owner ) external returns (uint256 shares); /** * @notice Returns the maximum amount of vault shares that can be redeemed from the `owner` balance in the vault, via * a `redeem` call. * @param owner Address of the owner whose shares are being queries * @return maxShares Maximum amount of shares that can be redeemed * @dev MUST return the maximum amount of shares that could be transferred from `owner` through `redeem` and not cause * a revert, which MUST NOT be higher than the actual maximum that would be accepted (it should underestimate if * necessary). * * MUST factor in both global and user-specific limits, like if redemption is entirely disabled * (even temporarily) it MUST return 0. * * MUST NOT revert */ function maxRedeem(address owner) external view returns (uint256 maxShares); /** * @notice Simulate the effects of a user's redemption at the current block, given current on-chain conditions * @param shares Amount of shares that are being simulated to be redeemed * @return assets Amount of underlying assets that can be redeemed * @dev MUST return as close to and no more than the exact amount of `assets `that would be withdrawn in a {redeem} * call in the same transaction. I.e. {redeem} should return the same or more assets as {previewRedeem} if called in * the same transaction. I.e. {previewRedeem} should underestimate/round-down * * MUST NOT account for redemption limits like those returned from {maxRedeem} and should always act as though * the redemption would be accepted, regardless if the user has enough shares, etc. * * MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees. * * MUST NOT revert due to vault specific user/global limits. MAY revert due to other conditions that would also * cause {redeem} to revert. * * Note that any unfavorable discrepancy between {convertToAssets} and {previewRedeem} SHOULD be considered * slippage in share price or some other type of condition, meaning the depositor will lose assets by redeeming. */ function previewRedeem(uint256 shares) external view returns (uint256 assets); /** * @notice Burns exactly `shares` from `owner` and sends `assets` of underlying tokens to `receiver` * @param shares Amount of shares to burn * @param receiver Address to deposit redeemed underlying tokens to * @return assets Amount of underlying tokens redeemed * @dev Must emit the {Withdraw} event * MUST support a {redeem} flow where the shares are burned from owner directly where `owner` is `msg.sender` or * * `msg.sender` has ERC-20 approval over the shares of `owner`. MAY support an additional flow in which the shares * are transferred to the Vault contract before the {redeem} execution, and are accounted for during {redeem}. * * MUST revert if all of {shares} cannot be redeemed (due to withdrawal limit being reached, slippage, the owner * not having enough shares, etc). * * Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed. * Those methods should be performed separately. */ function redeem( uint256 shares, address receiver, address owner ) external returns (uint256 assets); event Approval( address indexed owner, address indexed spender, uint256 value ); event Transfer(address indexed from, address indexed to, uint256 value); function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); function totalSupply() external view returns (uint256); function balanceOf(address owner) external view returns (uint256); function allowance(address owner, address spender) external view returns (uint256); function approve(address spender, uint256 value) external returns (bool); function transfer(address to, uint256 value) external returns (bool); function transferFrom( address from, address to, uint256 value ) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface IPirexCVX { function deposit( uint256 assets, address receiver, bool shouldCompound, address developer ) external; }
{ "evmVersion": "istanbul", "optimizer": { "enabled": true, "runs": 200 }, "libraries": { "StrategyZaps.sol": {} }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
Contract Security Audit
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","type":"address"}],"name":"depositFromCvxCrv","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"minAmountOut","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"depositFromEth","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"minAmountOut","type":"uint256"},{"internalType":"address","name":"router","type":"address"},{"internalType":"address","name":"inputToken","type":"address"},{"internalType":"address","name":"to","type":"address"}],"name":"depositViaUniV2EthPair","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setApprovals","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
OP | 100.00% | $3,387.38 | 0.02 | $67.75 |
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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.