{"file_path":"src/contracts/StakedFrax.sol","creation_status":"success","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity ^0.8.21;\n\n// ====================================================================\n// | ______ _______ |\n// | / _____________ __ __ / ____(_____ ____ _____ ________ |\n// | / /_ / ___/ __ `| |/_/ / /_ / / __ \\/ __ `/ __ \\/ ___/ _ \\ |\n// | / __/ / / / /_/ _> < / __/ / / / / / /_/ / / / / /__/ __/ |\n// | /_/ /_/ \\__,_/_/|_| /_/ /_/_/ /_/\\__,_/_/ /_/\\___/\\___/ |\n// | |\n// ====================================================================\n// ============================ StakedFrax ============================\n// ====================================================================\n// Frax Finance: https://github.com/FraxFinance\n\nimport { Timelock2Step } from \"frax-std/access-control/v2/Timelock2Step.sol\";\nimport { IERC20 } from \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport { SafeCastLib } from \"solmate/utils/SafeCastLib.sol\";\nimport { LinearRewardsErc4626, ERC20 } from \"./LinearRewardsErc4626.sol\";\n\n/// @title Staked Frax\n/// @notice A ERC4626 Vault implementation with linear rewards, rewards can be capped\ncontract StakedFrax is LinearRewardsErc4626, Timelock2Step {\n using SafeCastLib for *;\n\n /// @notice The maximum amount of rewards that can be distributed per second per 1e18 asset\n uint256 public maxDistributionPerSecondPerAsset;\n\n /// @param _underlying The erc20 asset deposited\n /// @param _name The name of the vault\n /// @param _symbol The symbol of the vault\n /// @param _rewardsCycleLength The length of the rewards cycle in seconds\n /// @param _maxDistributionPerSecondPerAsset The maximum amount of rewards that can be distributed per second per 1e18 asset\n /// @param _timelockAddress The address of the timelock/owner contract\n constructor(\n IERC20 _underlying,\n string memory _name,\n string memory _symbol,\n uint32 _rewardsCycleLength,\n uint256 _maxDistributionPerSecondPerAsset,\n address _timelockAddress\n )\n LinearRewardsErc4626(ERC20(address(_underlying)), _name, _symbol, _rewardsCycleLength)\n Timelock2Step(_timelockAddress)\n {\n maxDistributionPerSecondPerAsset = _maxDistributionPerSecondPerAsset;\n }\n\n /// @notice The ```SetMaxDistributionPerSecondPerAsset``` event is emitted when the maxDistributionPerSecondPerAsset is set\n /// @param oldMax The old maxDistributionPerSecondPerAsset value\n /// @param newMax The new maxDistributionPerSecondPerAsset value\n event SetMaxDistributionPerSecondPerAsset(uint256 oldMax, uint256 newMax);\n\n /// @notice The ```setMaxDistributionPerSecondPerAsset``` function sets the maxDistributionPerSecondPerAsset\n /// @dev This function can only be called by the timelock, caps the value to type(uint64).max\n /// @param _maxDistributionPerSecondPerAsset The maximum amount of rewards that can be distributed per second per 1e18 asset\n function setMaxDistributionPerSecondPerAsset(uint256 _maxDistributionPerSecondPerAsset) external {\n _requireSenderIsTimelock();\n syncRewardsAndDistribution();\n\n // NOTE: prevents bricking the contract via overflow\n if (_maxDistributionPerSecondPerAsset > type(uint64).max) {\n _maxDistributionPerSecondPerAsset = type(uint64).max;\n }\n\n emit SetMaxDistributionPerSecondPerAsset({\n oldMax: maxDistributionPerSecondPerAsset,\n newMax: _maxDistributionPerSecondPerAsset\n });\n\n maxDistributionPerSecondPerAsset = _maxDistributionPerSecondPerAsset;\n }\n\n /// @notice The ```calculateRewardsToDistribute``` function calculates the amount of rewards to distribute based on the rewards cycle data and the time passed\n /// @param _rewardsCycleData The rewards cycle data\n /// @param _deltaTime The time passed since the last rewards distribution\n /// @return _rewardToDistribute The amount of rewards to distribute\n function calculateRewardsToDistribute(\n RewardsCycleData memory _rewardsCycleData,\n uint256 _deltaTime\n ) public view override returns (uint256 _rewardToDistribute) {\n _rewardToDistribute = super.calculateRewardsToDistribute({\n _rewardsCycleData: _rewardsCycleData,\n _deltaTime: _deltaTime\n });\n\n // Cap rewards\n uint256 _maxDistribution = (maxDistributionPerSecondPerAsset * _deltaTime * storedTotalAssets) / PRECISION;\n if (_rewardToDistribute > _maxDistribution) {\n _rewardToDistribute = _maxDistribution;\n }\n }\n}\n","deployed_bytecode":"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0000000000000000831822660572bd54ebaa065c2acef662a6277d40000000000000000000000000000000000000000000000000000000000000000b5374616b6564204652415800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000057346524158000000000000000000000000000000000000000000000000000000","name":"StakedFrax","is_blueprint":false,"license_type":"none","is_fully_verified":false,"is_verified_via_eth_bytecode_db":true,"language":"solidity","evm_version":"london","can_be_visualized_via_sol2uml":true,"is_verified_via_sourcify":true,"additional_sources":[{"file_path":"lib/frax-standard-solidity/src/access-control/v2/Timelock2Step.sol","source_code":"// SPDX-License-Identifier: ISC\npragma solidity >=0.8.0;\n\n// ====================================================================\n// | ______ _______ |\n// | / _____________ __ __ / ____(_____ ____ _____ ________ |\n// | / /_ / ___/ __ `| |/_/ / /_ / / __ \\/ __ `/ __ \\/ ___/ _ \\ |\n// | / __/ / / / /_/ _> < / __/ / / / / / /_/ / / / / /__/ __/ |\n// | /_/ /_/ \\__,_/_/|_| /_/ /_/_/ /_/\\__,_/_/ /_/\\___/\\___/ |\n// | |\n// ====================================================================\n// ========================== Timelock2Step ===========================\n// ====================================================================\n// Frax Finance: https://github.com/FraxFinance\n\n// Primary Author\n// Drake Evans: https://github.com/DrakeEvans\n\n// Reviewers\n// Dennis: https://github.com/denett\n\n// ====================================================================\n\n/// @title Timelock2Step\n/// @author Drake Evans (Frax Finance) https://github.com/drakeevans\n/// @dev Inspired by OpenZeppelin's Ownable2Step contract\n/// @notice An abstract contract which contains 2-step transfer and renounce logic for a timelock address\nabstract contract Timelock2Step {\n /// @notice The pending timelock address\n address public pendingTimelockAddress;\n\n /// @notice The current timelock address\n address public timelockAddress;\n\n constructor(address _timelockAddress) {\n timelockAddress = _timelockAddress;\n }\n\n // ============================================================================================\n // Functions: External Functions\n // ============================================================================================\n\n /// @notice The ```transferTimelock``` function initiates the timelock transfer\n /// @dev Must be called by the current timelock\n /// @param _newTimelock The address of the nominated (pending) timelock\n function transferTimelock(address _newTimelock) external virtual {\n _requireSenderIsTimelock();\n _transferTimelock(_newTimelock);\n }\n\n /// @notice The ```acceptTransferTimelock``` function completes the timelock transfer\n /// @dev Must be called by the pending timelock\n function acceptTransferTimelock() external virtual {\n _requireSenderIsPendingTimelock();\n _acceptTransferTimelock();\n }\n\n /// @notice The ```renounceTimelock``` function renounces the timelock after setting pending timelock to current timelock\n /// @dev Pending timelock must be set to current timelock before renouncing, creating a 2-step renounce process\n function renounceTimelock() external virtual {\n _requireSenderIsTimelock();\n _requireSenderIsPendingTimelock();\n _transferTimelock(address(0));\n _setTimelock(address(0));\n }\n\n // ============================================================================================\n // Functions: Internal Actions\n // ============================================================================================\n\n /// @notice The ```_transferTimelock``` function initiates the timelock transfer\n /// @dev This function is to be implemented by a public function\n /// @param _newTimelock The address of the nominated (pending) timelock\n function _transferTimelock(address _newTimelock) internal {\n pendingTimelockAddress = _newTimelock;\n emit TimelockTransferStarted(timelockAddress, _newTimelock);\n }\n\n /// @notice The ```_acceptTransferTimelock``` function completes the timelock transfer\n /// @dev This function is to be implemented by a public function\n function _acceptTransferTimelock() internal {\n pendingTimelockAddress = address(0);\n _setTimelock(msg.sender);\n }\n\n /// @notice The ```_setTimelock``` function sets the timelock address\n /// @dev This function is to be implemented by a public function\n /// @param _newTimelock The address of the new timelock\n function _setTimelock(address _newTimelock) internal {\n emit TimelockTransferred(timelockAddress, _newTimelock);\n timelockAddress = _newTimelock;\n }\n\n // ============================================================================================\n // Functions: Internal Checks\n // ============================================================================================\n\n /// @notice The ```_isTimelock``` function checks if _address is current timelock address\n /// @param _address The address to check against the timelock\n /// @return Whether or not msg.sender is current timelock address\n function _isTimelock(address _address) internal view returns (bool) {\n return _address == timelockAddress;\n }\n\n /// @notice The ```_requireIsTimelock``` function reverts if _address is not current timelock address\n /// @param _address The address to check against the timelock\n function _requireIsTimelock(address _address) internal view {\n if (!_isTimelock(_address)) revert AddressIsNotTimelock(timelockAddress, _address);\n }\n\n /// @notice The ```_requireSenderIsTimelock``` function reverts if msg.sender is not current timelock address\n /// @dev This function is to be implemented by a public function\n function _requireSenderIsTimelock() internal view {\n _requireIsTimelock(msg.sender);\n }\n\n /// @notice The ```_isPendingTimelock``` function checks if the _address is pending timelock address\n /// @dev This function is to be implemented by a public function\n /// @param _address The address to check against the pending timelock\n /// @return Whether or not _address is pending timelock address\n function _isPendingTimelock(address _address) internal view returns (bool) {\n return _address == pendingTimelockAddress;\n }\n\n /// @notice The ```_requireIsPendingTimelock``` function reverts if the _address is not pending timelock address\n /// @dev This function is to be implemented by a public function\n /// @param _address The address to check against the pending timelock\n function _requireIsPendingTimelock(address _address) internal view {\n if (!_isPendingTimelock(_address)) revert AddressIsNotPendingTimelock(pendingTimelockAddress, _address);\n }\n\n /// @notice The ```_requirePendingTimelock``` function reverts if msg.sender is not pending timelock address\n /// @dev This function is to be implemented by a public function\n function _requireSenderIsPendingTimelock() internal view {\n _requireIsPendingTimelock(msg.sender);\n }\n\n // ============================================================================================\n // Functions: Events\n // ============================================================================================\n\n /// @notice The ```TimelockTransferStarted``` event is emitted when the timelock transfer is initiated\n /// @param previousTimelock The address of the previous timelock\n /// @param newTimelock The address of the new timelock\n event TimelockTransferStarted(address indexed previousTimelock, address indexed newTimelock);\n\n /// @notice The ```TimelockTransferred``` event is emitted when the timelock transfer is completed\n /// @param previousTimelock The address of the previous timelock\n /// @param newTimelock The address of the new timelock\n event TimelockTransferred(address indexed previousTimelock, address indexed newTimelock);\n\n // ============================================================================================\n // Functions: Errors\n // ============================================================================================\n\n /// @notice Emitted when timelock is transferred\n error AddressIsNotTimelock(address timelockAddress, address actualAddress);\n\n /// @notice Emitted when pending timelock is transferred\n error AddressIsNotPendingTimelock(address pendingTimelockAddress, address actualAddress);\n}\n"},{"file_path":"lib/solmate/src/mixins/ERC4626.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\nimport {ERC20} from \"../tokens/ERC20.sol\";\nimport {SafeTransferLib} from \"../utils/SafeTransferLib.sol\";\nimport {FixedPointMathLib} from \"../utils/FixedPointMathLib.sol\";\n\n/// @notice Minimal ERC4626 tokenized Vault implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/mixins/ERC4626.sol)\nabstract contract ERC4626 is ERC20 {\n using SafeTransferLib for ERC20;\n using FixedPointMathLib for uint256;\n\n /*//////////////////////////////////////////////////////////////\n EVENTS\n //////////////////////////////////////////////////////////////*/\n\n event Deposit(address indexed caller, address indexed owner, uint256 assets, uint256 shares);\n\n event Withdraw(\n address indexed caller,\n address indexed receiver,\n address indexed owner,\n uint256 assets,\n uint256 shares\n );\n\n /*//////////////////////////////////////////////////////////////\n IMMUTABLES\n //////////////////////////////////////////////////////////////*/\n\n ERC20 public immutable asset;\n\n constructor(\n ERC20 _asset,\n string memory _name,\n string memory _symbol\n ) ERC20(_name, _symbol, _asset.decimals()) {\n asset = _asset;\n }\n\n /*//////////////////////////////////////////////////////////////\n DEPOSIT/WITHDRAWAL LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function deposit(uint256 assets, address receiver) public virtual returns (uint256 shares) {\n // Check for rounding error since we round down in previewDeposit.\n require((shares = previewDeposit(assets)) != 0, \"ZERO_SHARES\");\n\n // Need to transfer before minting or ERC777s could reenter.\n asset.safeTransferFrom(msg.sender, address(this), assets);\n\n _mint(receiver, shares);\n\n emit Deposit(msg.sender, receiver, assets, shares);\n\n afterDeposit(assets, shares);\n }\n\n function mint(uint256 shares, address receiver) public virtual returns (uint256 assets) {\n assets = previewMint(shares); // No need to check for rounding error, previewMint rounds up.\n\n // Need to transfer before minting or ERC777s could reenter.\n asset.safeTransferFrom(msg.sender, address(this), assets);\n\n _mint(receiver, shares);\n\n emit Deposit(msg.sender, receiver, assets, shares);\n\n afterDeposit(assets, shares);\n }\n\n function withdraw(\n uint256 assets,\n address receiver,\n address owner\n ) public virtual returns (uint256 shares) {\n shares = previewWithdraw(assets); // No need to check for rounding error, previewWithdraw rounds up.\n\n if (msg.sender != owner) {\n uint256 allowed = allowance[owner][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[owner][msg.sender] = allowed - shares;\n }\n\n beforeWithdraw(assets, shares);\n\n _burn(owner, shares);\n\n emit Withdraw(msg.sender, receiver, owner, assets, shares);\n\n asset.safeTransfer(receiver, assets);\n }\n\n function redeem(\n uint256 shares,\n address receiver,\n address owner\n ) public virtual returns (uint256 assets) {\n if (msg.sender != owner) {\n uint256 allowed = allowance[owner][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[owner][msg.sender] = allowed - shares;\n }\n\n // Check for rounding error since we round down in previewRedeem.\n require((assets = previewRedeem(shares)) != 0, \"ZERO_ASSETS\");\n\n beforeWithdraw(assets, shares);\n\n _burn(owner, shares);\n\n emit Withdraw(msg.sender, receiver, owner, assets, shares);\n\n asset.safeTransfer(receiver, assets);\n }\n\n /*//////////////////////////////////////////////////////////////\n ACCOUNTING LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function totalAssets() public view virtual returns (uint256);\n\n function convertToShares(uint256 assets) public view virtual returns (uint256) {\n uint256 supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero.\n\n return supply == 0 ? assets : assets.mulDivDown(supply, totalAssets());\n }\n\n function convertToAssets(uint256 shares) public view virtual returns (uint256) {\n uint256 supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero.\n\n return supply == 0 ? shares : shares.mulDivDown(totalAssets(), supply);\n }\n\n function previewDeposit(uint256 assets) public view virtual returns (uint256) {\n return convertToShares(assets);\n }\n\n function previewMint(uint256 shares) public view virtual returns (uint256) {\n uint256 supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero.\n\n return supply == 0 ? shares : shares.mulDivUp(totalAssets(), supply);\n }\n\n function previewWithdraw(uint256 assets) public view virtual returns (uint256) {\n uint256 supply = totalSupply; // Saves an extra SLOAD if totalSupply is non-zero.\n\n return supply == 0 ? assets : assets.mulDivUp(supply, totalAssets());\n }\n\n function previewRedeem(uint256 shares) public view virtual returns (uint256) {\n return convertToAssets(shares);\n }\n\n /*//////////////////////////////////////////////////////////////\n DEPOSIT/WITHDRAWAL LIMIT LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function maxDeposit(address) public view virtual returns (uint256) {\n return type(uint256).max;\n }\n\n function maxMint(address) public view virtual returns (uint256) {\n return type(uint256).max;\n }\n\n function maxWithdraw(address owner) public view virtual returns (uint256) {\n return convertToAssets(balanceOf[owner]);\n }\n\n function maxRedeem(address owner) public view virtual returns (uint256) {\n return balanceOf[owner];\n }\n\n /*//////////////////////////////////////////////////////////////\n INTERNAL HOOKS LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function beforeWithdraw(uint256 assets, uint256 shares) internal virtual {}\n\n function afterDeposit(uint256 assets, uint256 shares) internal virtual {}\n}\n"},{"file_path":"lib/solmate/src/tokens/ERC20.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)\n/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)\n/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.\nabstract contract ERC20 {\n /*//////////////////////////////////////////////////////////////\n EVENTS\n //////////////////////////////////////////////////////////////*/\n\n event Transfer(address indexed from, address indexed to, uint256 amount);\n\n event Approval(address indexed owner, address indexed spender, uint256 amount);\n\n /*//////////////////////////////////////////////////////////////\n METADATA STORAGE\n //////////////////////////////////////////////////////////////*/\n\n string public name;\n\n string public symbol;\n\n uint8 public immutable decimals;\n\n /*//////////////////////////////////////////////////////////////\n ERC20 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 public totalSupply;\n\n mapping(address => uint256) public balanceOf;\n\n mapping(address => mapping(address => uint256)) public allowance;\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 STORAGE\n //////////////////////////////////////////////////////////////*/\n\n uint256 internal immutable INITIAL_CHAIN_ID;\n\n bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;\n\n mapping(address => uint256) public nonces;\n\n /*//////////////////////////////////////////////////////////////\n CONSTRUCTOR\n //////////////////////////////////////////////////////////////*/\n\n constructor(\n string memory _name,\n string memory _symbol,\n uint8 _decimals\n ) {\n name = _name;\n symbol = _symbol;\n decimals = _decimals;\n\n INITIAL_CHAIN_ID = block.chainid;\n INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();\n }\n\n /*//////////////////////////////////////////////////////////////\n ERC20 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function approve(address spender, uint256 amount) public virtual returns (bool) {\n allowance[msg.sender][spender] = amount;\n\n emit Approval(msg.sender, spender, amount);\n\n return true;\n }\n\n function transfer(address to, uint256 amount) public virtual returns (bool) {\n balanceOf[msg.sender] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(msg.sender, to, amount);\n\n return true;\n }\n\n function transferFrom(\n address from,\n address to,\n uint256 amount\n ) public virtual returns (bool) {\n uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.\n\n if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;\n\n balanceOf[from] -= amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n return true;\n }\n\n /*//////////////////////////////////////////////////////////////\n EIP-2612 LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function permit(\n address owner,\n address spender,\n uint256 value,\n uint256 deadline,\n uint8 v,\n bytes32 r,\n bytes32 s\n ) public virtual {\n require(deadline >= block.timestamp, \"PERMIT_DEADLINE_EXPIRED\");\n\n // Unchecked because the only math done is incrementing\n // the owner's nonce which cannot realistically overflow.\n unchecked {\n address recoveredAddress = ecrecover(\n keccak256(\n abi.encodePacked(\n \"\\x19\\x01\",\n DOMAIN_SEPARATOR(),\n keccak256(\n abi.encode(\n keccak256(\n \"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)\"\n ),\n owner,\n spender,\n value,\n nonces[owner]++,\n deadline\n )\n )\n )\n ),\n v,\n r,\n s\n );\n\n require(recoveredAddress != address(0) && recoveredAddress == owner, \"INVALID_SIGNER\");\n\n allowance[recoveredAddress][spender] = value;\n }\n\n emit Approval(owner, spender, value);\n }\n\n function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {\n return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();\n }\n\n function computeDomainSeparator() internal view virtual returns (bytes32) {\n return\n keccak256(\n abi.encode(\n keccak256(\"EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)\"),\n keccak256(bytes(name)),\n keccak256(\"1\"),\n block.chainid,\n address(this)\n )\n );\n }\n\n /*//////////////////////////////////////////////////////////////\n INTERNAL MINT/BURN LOGIC\n //////////////////////////////////////////////////////////////*/\n\n function _mint(address to, uint256 amount) internal virtual {\n totalSupply += amount;\n\n // Cannot overflow because the sum of all user\n // balances can't exceed the max uint256 value.\n unchecked {\n balanceOf[to] += amount;\n }\n\n emit Transfer(address(0), to, amount);\n }\n\n function _burn(address from, uint256 amount) internal virtual {\n balanceOf[from] -= amount;\n\n // Cannot underflow because a user's balance\n // will never be larger than the total supply.\n unchecked {\n totalSupply -= amount;\n }\n\n emit Transfer(from, address(0), amount);\n }\n}\n"},{"file_path":"lib/solmate/src/utils/FixedPointMathLib.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Arithmetic library with operations for fixed-point numbers.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/FixedPointMathLib.sol)\n/// @author Inspired by USM (https://github.com/usmfum/USM/blob/master/contracts/WadMath.sol)\nlibrary FixedPointMathLib {\n /*//////////////////////////////////////////////////////////////\n SIMPLIFIED FIXED POINT OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n uint256 internal constant MAX_UINT256 = 2**256 - 1;\n\n uint256 internal constant WAD = 1e18; // The scalar of ETH and most ERC20s.\n\n function mulWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, y, WAD); // Equivalent to (x * y) / WAD rounded down.\n }\n\n function mulWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, y, WAD); // Equivalent to (x * y) / WAD rounded up.\n }\n\n function divWadDown(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivDown(x, WAD, y); // Equivalent to (x * WAD) / y rounded down.\n }\n\n function divWadUp(uint256 x, uint256 y) internal pure returns (uint256) {\n return mulDivUp(x, WAD, y); // Equivalent to (x * WAD) / y rounded up.\n }\n\n /*//////////////////////////////////////////////////////////////\n LOW LEVEL FIXED POINT OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n function mulDivDown(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // Divide x * y by the denominator.\n z := div(mul(x, y), denominator)\n }\n }\n\n function mulDivUp(\n uint256 x,\n uint256 y,\n uint256 denominator\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Equivalent to require(denominator != 0 && (y == 0 || x <= type(uint256).max / y))\n if iszero(mul(denominator, iszero(mul(y, gt(x, div(MAX_UINT256, y)))))) {\n revert(0, 0)\n }\n\n // If x * y modulo the denominator is strictly greater than 0,\n // 1 is added to round up the division of x * y by the denominator.\n z := add(gt(mod(mul(x, y), denominator), 0), div(mul(x, y), denominator))\n }\n }\n\n function rpow(\n uint256 x,\n uint256 n,\n uint256 scalar\n ) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n switch x\n case 0 {\n switch n\n case 0 {\n // 0 ** 0 = 1\n z := scalar\n }\n default {\n // 0 ** n = 0\n z := 0\n }\n }\n default {\n switch mod(n, 2)\n case 0 {\n // If n is even, store scalar in z for now.\n z := scalar\n }\n default {\n // If n is odd, store x in z for now.\n z := x\n }\n\n // Shifting right by 1 is like dividing by 2.\n let half := shr(1, scalar)\n\n for {\n // Shift n right by 1 before looping to halve it.\n n := shr(1, n)\n } n {\n // Shift n right by 1 each iteration to halve it.\n n := shr(1, n)\n } {\n // Revert immediately if x ** 2 would overflow.\n // Equivalent to iszero(eq(div(xx, x), x)) here.\n if shr(128, x) {\n revert(0, 0)\n }\n\n // Store x squared.\n let xx := mul(x, x)\n\n // Round to the nearest number.\n let xxRound := add(xx, half)\n\n // Revert if xx + half overflowed.\n if lt(xxRound, xx) {\n revert(0, 0)\n }\n\n // Set x to scaled xxRound.\n x := div(xxRound, scalar)\n\n // If n is even:\n if mod(n, 2) {\n // Compute z * x.\n let zx := mul(z, x)\n\n // If z * x overflowed:\n if iszero(eq(div(zx, x), z)) {\n // Revert if x is non-zero.\n if iszero(iszero(x)) {\n revert(0, 0)\n }\n }\n\n // Round to the nearest number.\n let zxRound := add(zx, half)\n\n // Revert if zx + half overflowed.\n if lt(zxRound, zx) {\n revert(0, 0)\n }\n\n // Return properly scaled zxRound.\n z := div(zxRound, scalar)\n }\n }\n }\n }\n }\n\n /*//////////////////////////////////////////////////////////////\n GENERAL NUMBER UTILITIES\n //////////////////////////////////////////////////////////////*/\n\n function sqrt(uint256 x) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n let y := x // We start y at x, which will help us make our initial estimate.\n\n z := 181 // The \"correct\" value is 1, but this saves a multiplication later.\n\n // This segment is to get a reasonable initial estimate for the Babylonian method. With a bad\n // start, the correct # of bits increases ~linearly each iteration instead of ~quadratically.\n\n // We check y >= 2^(k + 8) but shift right by k bits\n // each branch to ensure that if x >= 256, then y >= 256.\n if iszero(lt(y, 0x10000000000000000000000000000000000)) {\n y := shr(128, y)\n z := shl(64, z)\n }\n if iszero(lt(y, 0x1000000000000000000)) {\n y := shr(64, y)\n z := shl(32, z)\n }\n if iszero(lt(y, 0x10000000000)) {\n y := shr(32, y)\n z := shl(16, z)\n }\n if iszero(lt(y, 0x1000000)) {\n y := shr(16, y)\n z := shl(8, z)\n }\n\n // Goal was to get z*z*y within a small factor of x. More iterations could\n // get y in a tighter range. Currently, we will have y in [256, 256*2^16).\n // We ensured y >= 256 so that the relative difference between y and y+1 is small.\n // That's not possible if x < 256 but we can just verify those cases exhaustively.\n\n // Now, z*z*y <= x < z*z*(y+1), and y <= 2^(16+8), and either y >= 256, or x < 256.\n // Correctness can be checked exhaustively for x < 256, so we assume y >= 256.\n // Then z*sqrt(y) is within sqrt(257)/sqrt(256) of sqrt(x), or about 20bps.\n\n // For s in the range [1/256, 256], the estimate f(s) = (181/1024) * (s+1) is in the range\n // (1/2.84 * sqrt(s), 2.84 * sqrt(s)), with largest error when s = 1 and when s = 256 or 1/256.\n\n // Since y is in [256, 256*2^16), let a = y/65536, so that a is in [1/256, 256). Then we can estimate\n // sqrt(y) using sqrt(65536) * 181/1024 * (a + 1) = 181/4 * (y + 65536)/65536 = 181 * (y + 65536)/2^18.\n\n // There is no overflow risk here since y < 2^136 after the first branch above.\n z := shr(18, mul(z, add(y, 65536))) // A mul() is saved from starting z at 181.\n\n // Given the worst case multiplicative error of 2.84 above, 7 iterations should be enough.\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n z := shr(1, add(z, div(x, z)))\n\n // If x+1 is a perfect square, the Babylonian method cycles between\n // floor(sqrt(x)) and ceil(sqrt(x)). This statement ensures we return floor.\n // See: https://en.wikipedia.org/wiki/Integer_square_root#Using_only_integer_division\n // Since the ceil is rare, we save gas on the assignment and repeat division in the rare case.\n // If you don't care whether the floor or ceil square root is returned, you can remove this statement.\n z := sub(z, lt(div(x, z), z))\n }\n }\n\n function unsafeMod(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Mod x by y. Note this will return\n // 0 instead of reverting if y is zero.\n z := mod(x, y)\n }\n }\n\n function unsafeDiv(uint256 x, uint256 y) internal pure returns (uint256 r) {\n /// @solidity memory-safe-assembly\n assembly {\n // Divide x by y. Note this will return\n // 0 instead of reverting if y is zero.\n r := div(x, y)\n }\n }\n\n function unsafeDivUp(uint256 x, uint256 y) internal pure returns (uint256 z) {\n /// @solidity memory-safe-assembly\n assembly {\n // Add 1 to x * y if x % y > 0. Note this will\n // return 0 instead of reverting if y is zero.\n z := add(gt(mod(x, y), 0), div(x, y))\n }\n }\n}\n"},{"file_path":"lib/solmate/src/utils/SafeCastLib.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\n/// @notice Safe unsigned integer casting library that reverts on overflow.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeCastLib.sol)\n/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/math/SafeCast.sol)\nlibrary SafeCastLib {\n function safeCastTo248(uint256 x) internal pure returns (uint248 y) {\n require(x < 1 << 248);\n\n y = uint248(x);\n }\n\n function safeCastTo240(uint256 x) internal pure returns (uint240 y) {\n require(x < 1 << 240);\n\n y = uint240(x);\n }\n\n function safeCastTo232(uint256 x) internal pure returns (uint232 y) {\n require(x < 1 << 232);\n\n y = uint232(x);\n }\n\n function safeCastTo224(uint256 x) internal pure returns (uint224 y) {\n require(x < 1 << 224);\n\n y = uint224(x);\n }\n\n function safeCastTo216(uint256 x) internal pure returns (uint216 y) {\n require(x < 1 << 216);\n\n y = uint216(x);\n }\n\n function safeCastTo208(uint256 x) internal pure returns (uint208 y) {\n require(x < 1 << 208);\n\n y = uint208(x);\n }\n\n function safeCastTo200(uint256 x) internal pure returns (uint200 y) {\n require(x < 1 << 200);\n\n y = uint200(x);\n }\n\n function safeCastTo192(uint256 x) internal pure returns (uint192 y) {\n require(x < 1 << 192);\n\n y = uint192(x);\n }\n\n function safeCastTo184(uint256 x) internal pure returns (uint184 y) {\n require(x < 1 << 184);\n\n y = uint184(x);\n }\n\n function safeCastTo176(uint256 x) internal pure returns (uint176 y) {\n require(x < 1 << 176);\n\n y = uint176(x);\n }\n\n function safeCastTo168(uint256 x) internal pure returns (uint168 y) {\n require(x < 1 << 168);\n\n y = uint168(x);\n }\n\n function safeCastTo160(uint256 x) internal pure returns (uint160 y) {\n require(x < 1 << 160);\n\n y = uint160(x);\n }\n\n function safeCastTo152(uint256 x) internal pure returns (uint152 y) {\n require(x < 1 << 152);\n\n y = uint152(x);\n }\n\n function safeCastTo144(uint256 x) internal pure returns (uint144 y) {\n require(x < 1 << 144);\n\n y = uint144(x);\n }\n\n function safeCastTo136(uint256 x) internal pure returns (uint136 y) {\n require(x < 1 << 136);\n\n y = uint136(x);\n }\n\n function safeCastTo128(uint256 x) internal pure returns (uint128 y) {\n require(x < 1 << 128);\n\n y = uint128(x);\n }\n\n function safeCastTo120(uint256 x) internal pure returns (uint120 y) {\n require(x < 1 << 120);\n\n y = uint120(x);\n }\n\n function safeCastTo112(uint256 x) internal pure returns (uint112 y) {\n require(x < 1 << 112);\n\n y = uint112(x);\n }\n\n function safeCastTo104(uint256 x) internal pure returns (uint104 y) {\n require(x < 1 << 104);\n\n y = uint104(x);\n }\n\n function safeCastTo96(uint256 x) internal pure returns (uint96 y) {\n require(x < 1 << 96);\n\n y = uint96(x);\n }\n\n function safeCastTo88(uint256 x) internal pure returns (uint88 y) {\n require(x < 1 << 88);\n\n y = uint88(x);\n }\n\n function safeCastTo80(uint256 x) internal pure returns (uint80 y) {\n require(x < 1 << 80);\n\n y = uint80(x);\n }\n\n function safeCastTo72(uint256 x) internal pure returns (uint72 y) {\n require(x < 1 << 72);\n\n y = uint72(x);\n }\n\n function safeCastTo64(uint256 x) internal pure returns (uint64 y) {\n require(x < 1 << 64);\n\n y = uint64(x);\n }\n\n function safeCastTo56(uint256 x) internal pure returns (uint56 y) {\n require(x < 1 << 56);\n\n y = uint56(x);\n }\n\n function safeCastTo48(uint256 x) internal pure returns (uint48 y) {\n require(x < 1 << 48);\n\n y = uint48(x);\n }\n\n function safeCastTo40(uint256 x) internal pure returns (uint40 y) {\n require(x < 1 << 40);\n\n y = uint40(x);\n }\n\n function safeCastTo32(uint256 x) internal pure returns (uint32 y) {\n require(x < 1 << 32);\n\n y = uint32(x);\n }\n\n function safeCastTo24(uint256 x) internal pure returns (uint24 y) {\n require(x < 1 << 24);\n\n y = uint24(x);\n }\n\n function safeCastTo16(uint256 x) internal pure returns (uint16 y) {\n require(x < 1 << 16);\n\n y = uint16(x);\n }\n\n function safeCastTo8(uint256 x) internal pure returns (uint8 y) {\n require(x < 1 << 8);\n\n y = uint8(x);\n }\n}\n"},{"file_path":"lib/solmate/src/utils/SafeTransferLib.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity >=0.8.0;\n\nimport {ERC20} from \"../tokens/ERC20.sol\";\n\n/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.\n/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)\n/// @dev Use with caution! Some functions in this library knowingly create dirty bits at the destination of the free memory pointer.\n/// @dev Note that none of the functions in this library check that a token has code at all! That responsibility is delegated to the caller.\nlibrary SafeTransferLib {\n /*//////////////////////////////////////////////////////////////\n ETH OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n function safeTransferETH(address to, uint256 amount) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Transfer the ETH and store if it succeeded or not.\n success := call(gas(), to, amount, 0, 0, 0, 0)\n }\n\n require(success, \"ETH_TRANSFER_FAILED\");\n }\n\n /*//////////////////////////////////////////////////////////////\n ERC20 OPERATIONS\n //////////////////////////////////////////////////////////////*/\n\n function safeTransferFrom(\n ERC20 token,\n address from,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), and(from, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the \"from\" argument.\n mstore(add(freeMemoryPointer, 36), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the \"to\" argument.\n mstore(add(freeMemoryPointer, 68), amount) // Append the \"amount\" argument. Masking not required as it's a full 32 byte type.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 100 because the length of our calldata totals up like so: 4 + 32 * 3.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 100, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FROM_FAILED\");\n }\n\n function safeTransfer(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument. Masking not required as it's a full 32 byte type.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"TRANSFER_FAILED\");\n }\n\n function safeApprove(\n ERC20 token,\n address to,\n uint256 amount\n ) internal {\n bool success;\n\n /// @solidity memory-safe-assembly\n assembly {\n // Get a pointer to some free memory.\n let freeMemoryPointer := mload(0x40)\n\n // Write the abi-encoded calldata into memory, beginning with the function selector.\n mstore(freeMemoryPointer, 0x095ea7b300000000000000000000000000000000000000000000000000000000)\n mstore(add(freeMemoryPointer, 4), and(to, 0xffffffffffffffffffffffffffffffffffffffff)) // Append and mask the \"to\" argument.\n mstore(add(freeMemoryPointer, 36), amount) // Append the \"amount\" argument. Masking not required as it's a full 32 byte type.\n\n success := and(\n // Set success to whether the call reverted, if not we check it either\n // returned exactly 1 (can't just be non-zero data), or had no return data.\n or(and(eq(mload(0), 1), gt(returndatasize(), 31)), iszero(returndatasize())),\n // We use 68 because the length of our calldata totals up like so: 4 + 32 * 2.\n // We use 0 and 32 to copy up to 32 bytes of return data into the scratch space.\n // Counterintuitively, this call must be positioned second to the or() call in the\n // surrounding and() call or else returndatasize() will be zero during the computation.\n call(gas(), token, 0, freeMemoryPointer, 68, 0, 32)\n )\n }\n\n require(success, \"APPROVE_FAILED\");\n }\n}\n"},{"file_path":"node_modules/@openzeppelin/contracts/token/ERC20/ERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n mapping(address => uint256) private _balances;\n\n mapping(address => mapping(address => uint256)) private _allowances;\n\n uint256 private _totalSupply;\n\n string private _name;\n string private _symbol;\n\n /**\n * @dev Sets the values for {name} and {symbol}.\n *\n * All two of these values are immutable: they can only be set once during\n * construction.\n */\n constructor(string memory name_, string memory symbol_) {\n _name = name_;\n _symbol = symbol_;\n }\n\n /**\n * @dev Returns the name of the token.\n */\n function name() public view virtual override returns (string memory) {\n return _name;\n }\n\n /**\n * @dev Returns the symbol of the token, usually a shorter version of the\n * name.\n */\n function symbol() public view virtual override returns (string memory) {\n return _symbol;\n }\n\n /**\n * @dev Returns the number of decimals used to get its user representation.\n * For example, if `decimals` equals `2`, a balance of `505` tokens should\n * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n *\n * Tokens usually opt for a value of 18, imitating the relationship between\n * Ether and Wei. This is the default value returned by this function, unless\n * it's overridden.\n *\n * NOTE: This information is only used for _display_ purposes: it in\n * no way affects any of the arithmetic of the contract, including\n * {IERC20-balanceOf} and {IERC20-transfer}.\n */\n function decimals() public view virtual override returns (uint8) {\n return 18;\n }\n\n /**\n * @dev See {IERC20-totalSupply}.\n */\n function totalSupply() public view virtual override returns (uint256) {\n return _totalSupply;\n }\n\n /**\n * @dev See {IERC20-balanceOf}.\n */\n function balanceOf(address account) public view virtual override returns (uint256) {\n return _balances[account];\n }\n\n /**\n * @dev See {IERC20-transfer}.\n *\n * Requirements:\n *\n * - `to` cannot be the zero address.\n * - the caller must have a balance of at least `amount`.\n */\n function transfer(address to, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _transfer(owner, to, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-allowance}.\n */\n function allowance(address owner, address spender) public view virtual override returns (uint256) {\n return _allowances[owner][spender];\n }\n\n /**\n * @dev See {IERC20-approve}.\n *\n * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n * `transferFrom`. This is semantically equivalent to an infinite approval.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function approve(address spender, uint256 amount) public virtual override returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, amount);\n return true;\n }\n\n /**\n * @dev See {IERC20-transferFrom}.\n *\n * Emits an {Approval} event indicating the updated allowance. This is not\n * required by the EIP. See the note at the beginning of {ERC20}.\n *\n * NOTE: Does not update the allowance if the current allowance\n * is the maximum `uint256`.\n *\n * Requirements:\n *\n * - `from` and `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n * - the caller must have allowance for ``from``'s tokens of at least\n * `amount`.\n */\n function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\n address spender = _msgSender();\n _spendAllowance(from, spender, amount);\n _transfer(from, to, amount);\n return true;\n }\n\n /**\n * @dev Atomically increases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n */\n function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n address owner = _msgSender();\n _approve(owner, spender, allowance(owner, spender) + addedValue);\n return true;\n }\n\n /**\n * @dev Atomically decreases the allowance granted to `spender` by the caller.\n *\n * This is an alternative to {approve} that can be used as a mitigation for\n * problems described in {IERC20-approve}.\n *\n * Emits an {Approval} event indicating the updated allowance.\n *\n * Requirements:\n *\n * - `spender` cannot be the zero address.\n * - `spender` must have allowance for the caller of at least\n * `subtractedValue`.\n */\n function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n address owner = _msgSender();\n uint256 currentAllowance = allowance(owner, spender);\n require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n unchecked {\n _approve(owner, spender, currentAllowance - subtractedValue);\n }\n\n return true;\n }\n\n /**\n * @dev Moves `amount` of tokens from `from` to `to`.\n *\n * This internal function is equivalent to {transfer}, and can be used to\n * e.g. implement automatic token fees, slashing mechanisms, etc.\n *\n * Emits a {Transfer} event.\n *\n * Requirements:\n *\n * - `from` cannot be the zero address.\n * - `to` cannot be the zero address.\n * - `from` must have a balance of at least `amount`.\n */\n function _transfer(address from, address to, uint256 amount) internal virtual {\n require(from != address(0), \"ERC20: transfer from the zero address\");\n require(to != address(0), \"ERC20: transfer to the zero address\");\n\n _beforeTokenTransfer(from, to, amount);\n\n uint256 fromBalance = _balances[from];\n require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n unchecked {\n _balances[from] = fromBalance - amount;\n // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\n // decrementing then incrementing.\n _balances[to] += amount;\n }\n\n emit Transfer(from, to, amount);\n\n _afterTokenTransfer(from, to, amount);\n }\n\n /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n * the total supply.\n *\n * Emits a {Transfer} event with `from` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n */\n function _mint(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: mint to the zero address\");\n\n _beforeTokenTransfer(address(0), account, amount);\n\n _totalSupply += amount;\n unchecked {\n // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\n _balances[account] += amount;\n }\n emit Transfer(address(0), account, amount);\n\n _afterTokenTransfer(address(0), account, amount);\n }\n\n /**\n * @dev Destroys `amount` tokens from `account`, reducing the\n * total supply.\n *\n * Emits a {Transfer} event with `to` set to the zero address.\n *\n * Requirements:\n *\n * - `account` cannot be the zero address.\n * - `account` must have at least `amount` tokens.\n */\n function _burn(address account, uint256 amount) internal virtual {\n require(account != address(0), \"ERC20: burn from the zero address\");\n\n _beforeTokenTransfer(account, address(0), amount);\n\n uint256 accountBalance = _balances[account];\n require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n unchecked {\n _balances[account] = accountBalance - amount;\n // Overflow not possible: amount <= accountBalance <= totalSupply.\n _totalSupply -= amount;\n }\n\n emit Transfer(account, address(0), amount);\n\n _afterTokenTransfer(account, address(0), amount);\n }\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n *\n * This internal function is equivalent to `approve`, and can be used to\n * e.g. set automatic allowances for certain subsystems, etc.\n *\n * Emits an {Approval} event.\n *\n * Requirements:\n *\n * - `owner` cannot be the zero address.\n * - `spender` cannot be the zero address.\n */\n function _approve(address owner, address spender, uint256 amount) internal virtual {\n require(owner != address(0), \"ERC20: approve from the zero address\");\n require(spender != address(0), \"ERC20: approve to the zero address\");\n\n _allowances[owner][spender] = amount;\n emit Approval(owner, spender, amount);\n }\n\n /**\n * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n *\n * Does not update the allowance amount in case of infinite allowance.\n * Revert if not enough allowance is available.\n *\n * Might emit an {Approval} event.\n */\n function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\n uint256 currentAllowance = allowance(owner, spender);\n if (currentAllowance != type(uint256).max) {\n require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n unchecked {\n _approve(owner, spender, currentAllowance - amount);\n }\n }\n }\n\n /**\n * @dev Hook that is called before any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * will be transferred to `to`.\n * - when `from` is zero, `amount` tokens will be minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n\n /**\n * @dev Hook that is called after any transfer of tokens. This includes\n * minting and burning.\n *\n * Calling conditions:\n *\n * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n * has been transferred to `to`.\n * - when `from` is zero, `amount` tokens have been minted for `to`.\n * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n * - `from` and `to` are never both zero.\n *\n * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n */\n function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n}\n"},{"file_path":"node_modules/@openzeppelin/contracts/token/ERC20/IERC20.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n /**\n * @dev Emitted when `value` tokens are moved from one account (`from`) to\n * another (`to`).\n *\n * Note that `value` may be zero.\n */\n event Transfer(address indexed from, address indexed to, uint256 value);\n\n /**\n * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n * a call to {approve}. `value` is the new allowance.\n */\n event Approval(address indexed owner, address indexed spender, uint256 value);\n\n /**\n * @dev Returns the amount of tokens in existence.\n */\n function totalSupply() external view returns (uint256);\n\n /**\n * @dev Returns the amount of tokens owned by `account`.\n */\n function balanceOf(address account) external view returns (uint256);\n\n /**\n * @dev Moves `amount` tokens from the caller's account to `to`.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transfer(address to, uint256 amount) external returns (bool);\n\n /**\n * @dev Returns the remaining number of tokens that `spender` will be\n * allowed to spend on behalf of `owner` through {transferFrom}. This is\n * zero by default.\n *\n * This value changes when {approve} or {transferFrom} are called.\n */\n function allowance(address owner, address spender) external view returns (uint256);\n\n /**\n * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * IMPORTANT: Beware that changing an allowance with this method brings the risk\n * that someone may use both the old and the new allowance by unfortunate\n * transaction ordering. One possible solution to mitigate this race\n * condition is to first reduce the spender's allowance to 0 and set the\n * desired value afterwards:\n * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n *\n * Emits an {Approval} event.\n */\n function approve(address spender, uint256 amount) external returns (bool);\n\n /**\n * @dev Moves `amount` tokens from `from` to `to` using the\n * allowance mechanism. `amount` is then deducted from the caller's\n * allowance.\n *\n * Returns a boolean value indicating whether the operation succeeded.\n *\n * Emits a {Transfer} event.\n */\n function transferFrom(address from, address to, uint256 amount) external returns (bool);\n}\n"},{"file_path":"node_modules/@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n /**\n * @dev Returns the name of the token.\n */\n function name() external view returns (string memory);\n\n /**\n * @dev Returns the symbol of the token.\n */\n function symbol() external view returns (string memory);\n\n /**\n * @dev Returns the decimals places of the token.\n */\n function decimals() external view returns (uint8);\n}\n"},{"file_path":"node_modules/@openzeppelin/contracts/utils/Context.sol","source_code":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n function _msgSender() internal view virtual returns (address) {\n return msg.sender;\n }\n\n function _msgData() internal view virtual returns (bytes calldata) {\n return msg.data;\n }\n}\n"},{"file_path":"src/contracts/LinearRewardsErc4626.sol","source_code":"// SPDX-License-Identifier: AGPL-3.0-only\npragma solidity ^0.8.21;\n\n// ====================================================================\n// | ______ _______ |\n// | / _____________ __ __ / ____(_____ ____ _____ ________ |\n// | / /_ / ___/ __ `| |/_/ / /_ / / __ \\/ __ `/ __ \\/ ___/ _ \\ |\n// | / __/ / / / /_/ _> < / __/ / / / / / /_/ / / / / /__/ __/ |\n// | /_/ /_/ \\__,_/_/|_| /_/ /_/_/ /_/\\__,_/_/ /_/\\___/\\___/ |\n// | |\n// ====================================================================\n// ======================== LinearRewardsErc4626 ======================\n// ====================================================================\n// Frax Finance: https://github.com/FraxFinance\n\nimport { ERC20, ERC4626 } from \"solmate/mixins/ERC4626.sol\";\nimport { SafeCastLib } from \"solmate/utils/SafeCastLib.sol\";\n\n/// @title LinearRewardsErc4626\n/// @notice An ERC4626 Vault implementation with linear rewards\nabstract contract LinearRewardsErc4626 is ERC4626 {\n using SafeCastLib for *;\n\n /// @notice The precision of all integer calculations\n uint256 public constant PRECISION = 1e18;\n\n /// @notice The rewards cycle length in seconds\n uint256 public immutable REWARDS_CYCLE_LENGTH;\n\n /// @notice Information about the current rewards cycle\n struct RewardsCycleData {\n uint40 cycleEnd; // Timestamp of the end of the current rewards cycle\n uint40 lastSync; // Timestamp of the last time the rewards cycle was synced\n uint216 rewardCycleAmount; // Amount of rewards to be distributed in the current cycle\n }\n\n /// @notice The rewards cycle data, stored in a single word to save gas\n RewardsCycleData public rewardsCycleData;\n\n /// @notice The timestamp of the last time rewards were distributed\n uint256 public lastRewardsDistribution;\n\n /// @notice The total amount of assets that have been distributed and deposited\n uint256 public storedTotalAssets;\n\n /// @notice The precision of the underlying asset\n uint256 public immutable UNDERLYING_PRECISION;\n\n /// @param _underlying The erc20 asset deposited\n /// @param _name The name of the vault\n /// @param _symbol The symbol of the vault\n /// @param _rewardsCycleLength The length of the rewards cycle in seconds\n constructor(\n ERC20 _underlying,\n string memory _name,\n string memory _symbol,\n uint256 _rewardsCycleLength\n ) ERC4626(_underlying, _name, _symbol) {\n REWARDS_CYCLE_LENGTH = _rewardsCycleLength;\n UNDERLYING_PRECISION = 10 ** _underlying.decimals();\n\n // initialize rewardsCycleEnd value\n // NOTE: normally distribution of rewards should be done prior to _syncRewards but in this case we know there are no users or rewards yet.\n _syncRewards();\n\n // initialize lastRewardsDistribution value\n _distributeRewards();\n }\n\n function pricePerShare() external view returns (uint256 _pricePerShare) {\n _pricePerShare = convertToAssets(UNDERLYING_PRECISION);\n }\n\n /// @notice The ```calculateRewardsToDistribute``` function calculates the amount of rewards to distribute based on the rewards cycle data and the time elapsed\n /// @param _rewardsCycleData The rewards cycle data\n /// @param _deltaTime The time elapsed since the last rewards distribution\n /// @return _rewardToDistribute The amount of rewards to distribute\n function calculateRewardsToDistribute(\n RewardsCycleData memory _rewardsCycleData,\n uint256 _deltaTime\n ) public view virtual returns (uint256 _rewardToDistribute) {\n _rewardToDistribute =\n (_rewardsCycleData.rewardCycleAmount * _deltaTime) /\n (_rewardsCycleData.cycleEnd - _rewardsCycleData.lastSync);\n }\n\n /// @notice The ```previewDistributeRewards``` function is used to preview the rewards distributed at the top of the block\n /// @return _rewardToDistribute The amount of underlying to distribute\n function previewDistributeRewards() public view virtual returns (uint256 _rewardToDistribute) {\n // Cache state for gas savings\n RewardsCycleData memory _rewardsCycleData = rewardsCycleData;\n uint256 _lastRewardsDistribution = lastRewardsDistribution;\n uint40 _timestamp = block.timestamp.safeCastTo40();\n\n // Calculate the delta time, but only include up to the cycle end in case we are passed it\n uint256 _deltaTime = _timestamp > _rewardsCycleData.cycleEnd\n ? _rewardsCycleData.cycleEnd - _lastRewardsDistribution\n : _timestamp - _lastRewardsDistribution;\n\n // Calculate the rewards to distribute\n _rewardToDistribute = calculateRewardsToDistribute({\n _rewardsCycleData: _rewardsCycleData,\n _deltaTime: _deltaTime\n });\n }\n\n /// @notice The ```distributeRewards``` function distributes the rewards once per block\n /// @return _rewardToDistribute The amount of underlying to distribute\n function _distributeRewards() internal virtual returns (uint256 _rewardToDistribute) {\n _rewardToDistribute = previewDistributeRewards();\n\n // Only write to state/emit if we actually distribute rewards\n if (_rewardToDistribute != 0) {\n storedTotalAssets += _rewardToDistribute;\n emit DistributeRewards({ rewardsToDistribute: _rewardToDistribute });\n }\n\n lastRewardsDistribution = block.timestamp;\n }\n\n /// @notice The ```previewSyncRewards``` function returns the updated rewards cycle data without updating the state\n /// @return _newRewardsCycleData The updated rewards cycle data\n function previewSyncRewards() public view virtual returns (RewardsCycleData memory _newRewardsCycleData) {\n RewardsCycleData memory _rewardsCycleData = rewardsCycleData;\n\n uint256 _timestamp = block.timestamp;\n\n // Only sync if the previous cycle has ended\n if (_timestamp <= _rewardsCycleData.cycleEnd) return _rewardsCycleData;\n\n // Calculate rewards for next cycle\n uint256 _newRewards = asset.balanceOf(address(this)) - storedTotalAssets;\n\n // Calculate the next cycle end, this keeps cycles at the same time regardless of when sync is called\n uint40 _cycleEnd = (((_timestamp + REWARDS_CYCLE_LENGTH) / REWARDS_CYCLE_LENGTH) * REWARDS_CYCLE_LENGTH)\n .safeCastTo40();\n\n // This block prevents big jumps in rewards rate in case the sync happens near the end of the cycle\n if (_cycleEnd - _timestamp < REWARDS_CYCLE_LENGTH / 40) {\n _cycleEnd += REWARDS_CYCLE_LENGTH.safeCastTo40();\n }\n\n // Write return values\n _rewardsCycleData.rewardCycleAmount = _newRewards.safeCastTo216();\n _rewardsCycleData.lastSync = _timestamp.safeCastTo40();\n _rewardsCycleData.cycleEnd = _cycleEnd;\n\n return _rewardsCycleData;\n }\n\n /// @notice The ```_syncRewards``` function is used to update the rewards cycle data\n function _syncRewards() internal virtual {\n RewardsCycleData memory _rewardsCycleData = previewSyncRewards();\n\n if (\n block\n .timestamp\n // If true, then preview shows a rewards should be processed\n .safeCastTo40() ==\n _rewardsCycleData.lastSync &&\n // Ensures that we don't write to state twice in the same block\n rewardsCycleData.lastSync != _rewardsCycleData.lastSync\n ) {\n rewardsCycleData = _rewardsCycleData;\n emit SyncRewards({\n cycleEnd: _rewardsCycleData.cycleEnd,\n lastSync: _rewardsCycleData.lastSync,\n rewardCycleAmount: _rewardsCycleData.rewardCycleAmount\n });\n }\n }\n\n /// @notice The ```syncRewardsAndDistribution``` function is used to update the rewards cycle data and distribute rewards\n /// @dev rewards must be distributed before the cycle is synced\n function syncRewardsAndDistribution() public virtual {\n _distributeRewards();\n _syncRewards();\n }\n\n /// @notice The ```totalAssets``` function returns the total assets available in the vault\n /// @dev This function simulates the rewards that will be distributed at the top of the block\n /// @return _totalAssets The total assets available in the vault\n function totalAssets() public view virtual override returns (uint256 _totalAssets) {\n uint256 _rewardToDistribute = previewDistributeRewards();\n _totalAssets = storedTotalAssets + _rewardToDistribute;\n }\n\n function afterDeposit(uint256 amount, uint256 shares) internal virtual override {\n storedTotalAssets += amount;\n }\n\n /// @notice The ```deposit``` function allows a user to mint shares by depositing underlying\n /// @param _assets The amount of underlying to deposit\n /// @param _receiver The address to send the shares to\n /// @return _shares The amount of shares minted\n function deposit(uint256 _assets, address _receiver) public override returns (uint256 _shares) {\n syncRewardsAndDistribution();\n _shares = super.deposit({ assets: _assets, receiver: _receiver });\n }\n\n /// @notice The ```mint``` function allows a user to mint a given number of shares\n /// @param _shares The amount of shares to mint\n /// @param _receiver The address to send the shares to\n /// @return _assets The amount of underlying deposited\n function mint(uint256 _shares, address _receiver) public override returns (uint256 _assets) {\n syncRewardsAndDistribution();\n _assets = super.mint({ shares: _shares, receiver: _receiver });\n }\n\n function beforeWithdraw(uint256 amount, uint256 shares) internal virtual override {\n storedTotalAssets -= amount;\n }\n\n /// @notice The ```withdraw``` function allows a user to withdraw a given amount of underlying\n /// @param _assets The amount of underlying to withdraw\n /// @param _receiver The address to send the underlying to\n /// @param _owner The address of the owner of the shares\n /// @return _shares The amount of shares burned\n function withdraw(uint256 _assets, address _receiver, address _owner) public override returns (uint256 _shares) {\n syncRewardsAndDistribution();\n\n _shares = super.withdraw({ assets: _assets, receiver: _receiver, owner: _owner });\n }\n\n /// @notice The ```redeem``` function allows a user to redeem their shares for underlying\n /// @param _shares The amount of shares to redeem\n /// @param _receiver The address to send the underlying to\n /// @param _owner The address of the owner of the shares\n /// @return _assets The amount of underlying redeemed\n function redeem(uint256 _shares, address _receiver, address _owner) public override returns (uint256 _assets) {\n syncRewardsAndDistribution();\n\n _assets = super.redeem({ shares: _shares, receiver: _receiver, owner: _owner });\n }\n\n /// @notice The ```depositWithSignature``` function allows a user to use signed approvals to deposit\n /// @param _assets The amount of underlying to deposit\n /// @param _receiver The address to send the shares to\n /// @param _deadline The deadline for the signature\n /// @param _approveMax Whether or not to approve the maximum amount\n /// @param _v The v value of the signature\n /// @param _r The r value of the signature\n /// @param _s The s value of the signature\n /// @return _shares The amount of shares minted\n function depositWithSignature(\n uint256 _assets,\n address _receiver,\n uint256 _deadline,\n bool _approveMax,\n uint8 _v,\n bytes32 _r,\n bytes32 _s\n ) external returns (uint256 _shares) {\n uint256 _amount = _approveMax ? type(uint256).max : _assets;\n asset.permit({\n owner: msg.sender,\n spender: address(this),\n value: _amount,\n deadline: _deadline,\n v: _v,\n r: _r,\n s: _s\n });\n _shares = (deposit({ _assets: _assets, _receiver: _receiver }));\n }\n\n //==============================================================================\n // Events\n //==============================================================================\n\n /// @notice The ```SyncRewards``` event is emitted when the rewards cycle is synced\n /// @param cycleEnd The timestamp of the end of the current rewards cycle\n /// @param lastSync The timestamp of the last time the rewards cycle was synced\n /// @param rewardCycleAmount The amount of rewards to be distributed in the current cycle\n event SyncRewards(uint40 cycleEnd, uint40 lastSync, uint216 rewardCycleAmount);\n\n /// @notice The ```DistributeRewards``` event is emitted when rewards are distributed to storedTotalAssets\n /// @param rewardsToDistribute The amount of rewards that were distributed\n event DistributeRewards(uint256 rewardsToDistribute);\n}\n"}],"certified":false,"conflicting_implementations":null,"abi":[{"inputs":[{"internalType":"contract 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