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0x60a06040 | 31002083 | 772 days ago | IN | Create: TendV2DetachedGaslessJob | 0 FTM | 0.32540417 |
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31002083 | 772 days ago | Contract Creation | 0 FTM |
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Contract Name:
TendV2DetachedGaslessJob
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '../../interfaces/yearn/IBaseStrategy.sol'; import './V2DetachedGaslessJob.sol'; contract TendV2DetachedGaslessJob is V2DetachedGaslessJob { constructor( address _WETH, address _mechanicsRegistry, address _v2Keeper, uint256 _workCooldown, uint256 _callCost ) V2DetachedGaslessJob(_WETH, _mechanicsRegistry, _v2Keeper, _workCooldown, _callCost) // solhint-disable-next-line no-empty-blocks {} function workable(address _strategy) external view override returns (bool) { return _workable(_strategy); } function _workable(address _strategy) internal view override returns (bool) { if (!super._workable(_strategy)) return false; return IBaseStrategy(_strategy).tendTrigger(callCost); } function _work(address _strategy) internal override { lastWorkAt[_strategy] = block.timestamp; V2Keeper.tend(_strategy); } // Keep3r actions function work(address _strategy) external override notPaused onlyGovernorOrMechanic { _workInternal(_strategy); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; interface IBaseStrategy { function vault() external view returns (address _vault); function strategist() external view returns (address _strategist); function rewards() external view returns (address _rewards); function keeper() external view returns (address _keeper); function want() external view returns (address _want); function name() external view returns (string memory _name); function profitFactor() external view returns (uint256 _profitFactor); function maxReportDelay() external view returns (uint256 _maxReportDelay); // custom view function crv() external view returns (address _crv); // Setters function setStrategist(address _strategist) external; function setKeeper(address _keeper) external; function setRewards(address _rewards) external; function tendTrigger(uint256 callCost) external view returns (bool); function tend() external; function harvestTrigger(uint256 callCost) external view returns (bool); function harvest() external; function setBorrowCollateralizationRatio(uint256 _c) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '@openzeppelin/contracts/utils/structs/EnumerableSet.sol'; import '@yearn/contract-utils/contracts/abstract/MachineryReady.sol'; import '../../interfaces/jobs/detached/IV2DetachedGaslessJob.sol'; abstract contract V2DetachedGaslessJob is MachineryReady, IV2DetachedGaslessJob { using EnumerableSet for EnumerableSet.AddressSet; address public override immutable WETH; IV2Keeper public override V2Keeper; EnumerableSet.AddressSet internal _availableStrategies; mapping(address => uint256) public override lastWorkAt; uint256 public override workCooldown; uint256 public override callCost; constructor( address _WETH, address _mechanicsRegistry, address _v2Keeper, uint256 _workCooldown, uint256 _callCost ) MachineryReady(_mechanicsRegistry) { if (_workCooldown > 0) workCooldown = _workCooldown; V2Keeper = IV2Keeper(_v2Keeper); WETH = _WETH; callCost = _callCost; } function setV2Keep3r(address _v2Keeper) external override onlyGovernor { V2Keeper = IV2Keeper(_v2Keeper); } // Setters function setWorkCooldown(uint256 _workCooldown) external override onlyGovernorOrMechanic { if (_workCooldown == 0) revert NotZero(); workCooldown = _workCooldown; } function setCallCost(uint256 _callCost) external override onlyGovernorOrMechanic { if (_callCost == 0) revert NotZero(); callCost = _callCost; } // Governor function addStrategies( address[] calldata _strategies ) external override onlyGovernorOrMechanic { for (uint256 i; i < _strategies.length; i++) { if (!_availableStrategies.add(_strategies[i])) revert StrategyAlreadyAdded(); } emit StrategiesAdded(_strategies); } function removeStrategies(address[] calldata _strategies) external override onlyGovernorOrMechanic { for (uint256 i; i < _strategies.length; i++) { if (!_availableStrategies.remove(_strategies[i])) revert StrategyNotAdded(); } emit StrategiesRemoved(_strategies); } // Getters function strategies() public view override returns (address[] memory _strategies) { _strategies = _availableStrategies.values(); } // Keeper view actions (internal) function _workable(address _strategy) internal view virtual returns (bool) { if (!_availableStrategies.contains(_strategy)) revert StrategyNotAdded(); if (workCooldown == 0 || block.timestamp > lastWorkAt[_strategy] + workCooldown) return true; return false; } // Keeper actions function _workInternal(address _strategy) internal { if (!_workable(_strategy)) revert NotWorkable(); _work(_strategy); emit Worked(_strategy, msg.sender); } function forceWork(address _strategy) external override onlyGovernorOrMechanic { _work(_strategy); emit ForceWorked(_strategy); } function _work(address _strategy) internal virtual {} }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Library for managing * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive * types. * * Sets have the following properties: * * - Elements are added, removed, and checked for existence in constant time * (O(1)). * - Elements are enumerated in O(n). No guarantees are made on the ordering. * * ``` * contract Example { * // Add the library methods * using EnumerableSet for EnumerableSet.AddressSet; * * // Declare a set state variable * EnumerableSet.AddressSet private mySet; * } * ``` * * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`) * and `uint256` (`UintSet`) are supported. */ library EnumerableSet { // To implement this library for multiple types with as little code // repetition as possible, we write it in terms of a generic Set type with // bytes32 values. // The Set implementation uses private functions, and user-facing // implementations (such as AddressSet) are just wrappers around the // underlying Set. // This means that we can only create new EnumerableSets for types that fit // in bytes32. struct Set { // Storage of set values bytes32[] _values; // Position of the value in the `values` array, plus 1 because index 0 // means a value is not in the set. mapping(bytes32 => uint256) _indexes; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function _add(Set storage set, bytes32 value) private returns (bool) { if (!_contains(set, value)) { set._values.push(value); // The value is stored at length-1, but we add 1 to all indexes // and use 0 as a sentinel value set._indexes[value] = set._values.length; return true; } else { return false; } } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function _remove(Set storage set, bytes32 value) private returns (bool) { // We read and store the value's index to prevent multiple reads from the same storage slot uint256 valueIndex = set._indexes[value]; if (valueIndex != 0) { // Equivalent to contains(set, value) // To delete an element from the _values array in O(1), we swap the element to delete with the last one in // the array, and then remove the last element (sometimes called as 'swap and pop'). // This modifies the order of the array, as noted in {at}. uint256 toDeleteIndex = valueIndex - 1; uint256 lastIndex = set._values.length - 1; if (lastIndex != toDeleteIndex) { bytes32 lastvalue = set._values[lastIndex]; // Move the last value to the index where the value to delete is set._values[toDeleteIndex] = lastvalue; // Update the index for the moved value set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex } // Delete the slot where the moved value was stored set._values.pop(); // Delete the index for the deleted slot delete set._indexes[value]; return true; } else { return false; } } /** * @dev Returns true if the value is in the set. O(1). */ function _contains(Set storage set, bytes32 value) private view returns (bool) { return set._indexes[value] != 0; } /** * @dev Returns the number of values on the set. O(1). */ function _length(Set storage set) private view returns (uint256) { return set._values.length; } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function _at(Set storage set, uint256 index) private view returns (bytes32) { return set._values[index]; } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function _values(Set storage set) private view returns (bytes32[] memory) { return set._values; } // Bytes32Set struct Bytes32Set { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _add(set._inner, value); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) { return _remove(set._inner, value); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) { return _contains(set._inner, value); } /** * @dev Returns the number of values in the set. O(1). */ function length(Bytes32Set storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) { return _at(set._inner, index); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(Bytes32Set storage set) internal view returns (bytes32[] memory) { return _values(set._inner); } // AddressSet struct AddressSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(AddressSet storage set, address value) internal returns (bool) { return _add(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(AddressSet storage set, address value) internal returns (bool) { return _remove(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(AddressSet storage set, address value) internal view returns (bool) { return _contains(set._inner, bytes32(uint256(uint160(value)))); } /** * @dev Returns the number of values in the set. O(1). */ function length(AddressSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(AddressSet storage set, uint256 index) internal view returns (address) { return address(uint160(uint256(_at(set._inner, index)))); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(AddressSet storage set) internal view returns (address[] memory) { bytes32[] memory store = _values(set._inner); address[] memory result; assembly { result := store } return result; } // UintSet struct UintSet { Set _inner; } /** * @dev Add a value to a set. O(1). * * Returns true if the value was added to the set, that is if it was not * already present. */ function add(UintSet storage set, uint256 value) internal returns (bool) { return _add(set._inner, bytes32(value)); } /** * @dev Removes a value from a set. O(1). * * Returns true if the value was removed from the set, that is if it was * present. */ function remove(UintSet storage set, uint256 value) internal returns (bool) { return _remove(set._inner, bytes32(value)); } /** * @dev Returns true if the value is in the set. O(1). */ function contains(UintSet storage set, uint256 value) internal view returns (bool) { return _contains(set._inner, bytes32(value)); } /** * @dev Returns the number of values on the set. O(1). */ function length(UintSet storage set) internal view returns (uint256) { return _length(set._inner); } /** * @dev Returns the value stored at position `index` in the set. O(1). * * Note that there are no guarantees on the ordering of values inside the * array, and it may change when more values are added or removed. * * Requirements: * * - `index` must be strictly less than {length}. */ function at(UintSet storage set, uint256 index) internal view returns (uint256) { return uint256(_at(set._inner, index)); } /** * @dev Return the entire set in an array * * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that * this function has an unbounded cost, and using it as part of a state-changing function may render the function * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block. */ function values(UintSet storage set) internal view returns (uint256[] memory) { bytes32[] memory store = _values(set._inner); uint256[] memory result; assembly { result := store } return result; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import './UtilsReady.sol'; import '../utils/Machinery.sol'; abstract contract MachineryReady is UtilsReady, Machinery { constructor(address _mechanicsRegistry) Machinery(_mechanicsRegistry) UtilsReady() {} // Machinery: restricted-access function setMechanicsRegistry(address _mechanicsRegistry) external override onlyGovernor { _setMechanicsRegistry(_mechanicsRegistry); } // Machinery: modifiers modifier onlyGovernorOrMechanic() { require(isGovernor(msg.sender) || isMechanic(msg.sender), 'Machinery::onlyGovernorOrMechanic:invalid-msg-sender'); _; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '../../../interfaces/jobs/v2/IV2Keeper.sol'; interface IV2DetachedGaslessJob { error NotZero(); error StrategyAlreadyAdded(); error StrategyNotAdded(); error NotWorkable(); // Setters event StrategiesAdded(address[] _strategies); event StrategiesRemoved(address[] _strategies); // Actions by Keeper event Worked(address _strategy, address _keeper); // Actions forced by governor event ForceWorked(address _strategy); // Getters function WETH() external view returns (address); function V2Keeper() external view returns (IV2Keeper); function lastWorkAt(address) external view returns (uint256); function workCooldown() external view returns (uint256); function callCost() external view returns (uint256); function strategies() external view returns (address[] memory); function workable(address _strategy) external view returns (bool); // Setters function setV2Keep3r(address _v2Keeper) external; function setWorkCooldown(uint256 _workCooldown) external; function setCallCost(uint256 _callCost) external; function addStrategies( address[] calldata _strategy ) external; function removeStrategies(address[] calldata _strategy) external; // Keeper actions function work(address _strategy) external; // Mechanics keeper bypass function forceWork(address _strategy) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '../utils/Governable.sol'; import '../utils/CollectableDust.sol'; import '../utils/Pausable.sol'; abstract contract UtilsReady is Governable, CollectableDust, Pausable { constructor() Governable(msg.sender) {} // Governable: restricted-access function setPendingGovernor(address _pendingGovernor) external override onlyGovernor { _setPendingGovernor(_pendingGovernor); } function acceptGovernor() external override onlyPendingGovernor { _acceptGovernor(); } // Collectable Dust: restricted-access function sendDust( address _to, address _token, uint256 _amount ) external virtual override onlyGovernor { _sendDust(_to, _token, _amount); } // Pausable: restricted-access function pause(bool _paused) external override onlyGovernor { _pause(_paused); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '@openzeppelin/contracts/utils/structs/EnumerableSet.sol'; import '../interfaces/utils/IMachinery.sol'; import '../interfaces/mechanics/IMechanicsRegistry.sol'; contract Machinery is IMachinery { using EnumerableSet for EnumerableSet.AddressSet; IMechanicsRegistry internal _mechanicsRegistry; constructor(address __mechanicsRegistry) { _setMechanicsRegistry(__mechanicsRegistry); } modifier onlyMechanic() { require(_mechanicsRegistry.isMechanic(msg.sender), 'Machinery: not mechanic'); _; } function setMechanicsRegistry(address __mechanicsRegistry) external virtual override { _setMechanicsRegistry(__mechanicsRegistry); } function _setMechanicsRegistry(address __mechanicsRegistry) internal { _mechanicsRegistry = IMechanicsRegistry(__mechanicsRegistry); } // View helpers function mechanicsRegistry() external view override returns (address _mechanicRegistry) { return address(_mechanicsRegistry); } function isMechanic(address _mechanic) public view override returns (bool _isMechanic) { return _mechanicsRegistry.isMechanic(_mechanic); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '../interfaces/utils/IGovernable.sol'; contract Governable is IGovernable { address public override governor; address public override pendingGovernor; constructor(address _governor) { require(_governor != address(0), 'governable/governor-should-not-be-zero-address'); governor = _governor; } function setPendingGovernor(address _pendingGovernor) external virtual override onlyGovernor { _setPendingGovernor(_pendingGovernor); } function acceptGovernor() external virtual override onlyPendingGovernor { _acceptGovernor(); } function _setPendingGovernor(address _pendingGovernor) internal { require(_pendingGovernor != address(0), 'governable/pending-governor-should-not-be-zero-addres'); pendingGovernor = _pendingGovernor; emit PendingGovernorSet(_pendingGovernor); } function _acceptGovernor() internal { governor = pendingGovernor; pendingGovernor = address(0); emit GovernorAccepted(); } function isGovernor(address _account) public view override returns (bool _isGovernor) { return _account == governor; } modifier onlyGovernor() { require(isGovernor(msg.sender), 'governable/only-governor'); _; } modifier onlyPendingGovernor() { require(msg.sender == pendingGovernor, 'governable/only-pending-governor'); _; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '@openzeppelin/contracts/utils/structs/EnumerableSet.sol'; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol'; import '../interfaces/utils/ICollectableDust.sol'; abstract contract CollectableDust is ICollectableDust { using SafeERC20 for IERC20; using EnumerableSet for EnumerableSet.AddressSet; address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; EnumerableSet.AddressSet internal protocolTokens; constructor() {} function _addProtocolToken(address _token) internal { require(!protocolTokens.contains(_token), 'collectable-dust/token-is-part-of-the-protocol'); protocolTokens.add(_token); } function _removeProtocolToken(address _token) internal { require(protocolTokens.contains(_token), 'collectable-dust/token-not-part-of-the-protocol'); protocolTokens.remove(_token); } function _sendDust( address _to, address _token, uint256 _amount ) internal { require(_to != address(0), 'collectable-dust/cant-send-dust-to-zero-address'); require(!protocolTokens.contains(_token), 'collectable-dust/token-is-part-of-the-protocol'); if (_token == ETH_ADDRESS) { payable(_to).transfer(_amount); } else { IERC20(_token).safeTransfer(_to, _amount); } emit DustSent(_to, _token, _amount); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; import '../interfaces/utils/IPausable.sol'; abstract contract Pausable is IPausable { bool public paused; constructor() {} modifier notPaused() { require(!paused, 'paused'); _; } function _pause(bool _paused) internal { require(paused != _paused, 'no-change'); paused = _paused; emit Paused(_paused); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; interface IGovernable { event PendingGovernorSet(address pendingGovernor); event GovernorAccepted(); function setPendingGovernor(address _pendingGovernor) external; function acceptGovernor() external; function governor() external view returns (address _governor); function pendingGovernor() external view returns (address _pendingGovernor); function isGovernor(address _account) external view returns (bool _isGovernor); }
// 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; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' require( (value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance( IERC20 token, address spender, uint256 value ) internal { uint256 newAllowance = token.allowance(address(this), spender) + value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance( IERC20 token, address spender, uint256 value ) internal { unchecked { uint256 oldAllowance = token.allowance(address(this), spender); require(oldAllowance >= value, "SafeERC20: decreased allowance below zero"); uint256 newAllowance = oldAllowance - value; _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; interface ICollectableDust { event DustSent(address _to, address token, uint256 amount); function sendDust( address _to, address _token, uint256 _amount ) external; }
// 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; 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"); (bool success, ) = recipient.call{value: amount}(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; interface IPausable { event Paused(bool _paused); function pause(bool _paused) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; interface IMachinery { // View helpers function mechanicsRegistry() external view returns (address _mechanicsRegistry); function isMechanic(address mechanic) external view returns (bool _isMechanic); // Setters function setMechanicsRegistry(address _mechanicsRegistry) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.8.4 <0.9.0; interface IMechanicsRegistry { event MechanicAdded(address _mechanic); event MechanicRemoved(address _mechanic); function addMechanic(address _mechanic) external; function removeMechanic(address _mechanic) external; function mechanics() external view returns (address[] memory _mechanicsList); function isMechanic(address mechanic) external view returns (bool _isMechanic); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; interface IV2Keeper { // Getters function jobs() external view returns (address[] memory); event JobAdded(address _job); event JobRemoved(address _job); // Setters function addJobs(address[] calldata _jobs) external; function addJob(address _job) external; function removeJob(address _job) external; // Jobs actions function tend(address _strategy) external; function harvest(address _strategy) external; }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_WETH","type":"address"},{"internalType":"address","name":"_mechanicsRegistry","type":"address"},{"internalType":"address","name":"_v2Keeper","type":"address"},{"internalType":"uint256","name":"_workCooldown","type":"uint256"},{"internalType":"uint256","name":"_callCost","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"NotWorkable","type":"error"},{"inputs":[],"name":"NotZero","type":"error"},{"inputs":[],"name":"StrategyAlreadyAdded","type":"error"},{"inputs":[],"name":"StrategyNotAdded","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"DustSent","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_strategy","type":"address"}],"name":"ForceWorked","type":"event"},{"anonymous":false,"inputs":[],"name":"GovernorAccepted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"_paused","type":"bool"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"pendingGovernor","type":"address"}],"name":"PendingGovernorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"_strategies","type":"address[]"}],"name":"StrategiesAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address[]","name":"_strategies","type":"address[]"}],"name":"StrategiesRemoved","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"_strategy","type":"address"},{"indexed":false,"internalType":"address","name":"_keeper","type":"address"}],"name":"Worked","type":"event"},{"inputs":[],"name":"ETH_ADDRESS","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"V2Keeper","outputs":[{"internalType":"contract IV2Keeper","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"WETH","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptGovernor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"_strategies","type":"address[]"}],"name":"addStrategies","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"callCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"forceWork","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"governor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"isGovernor","outputs":[{"internalType":"bool","name":"_isGovernor","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_mechanic","type":"address"}],"name":"isMechanic","outputs":[{"internalType":"bool","name":"_isMechanic","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lastWorkAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mechanicsRegistry","outputs":[{"internalType":"address","name":"_mechanicRegistry","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingGovernor","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"_strategies","type":"address[]"}],"name":"removeStrategies","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"sendDust","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_callCost","type":"uint256"}],"name":"setCallCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_mechanicsRegistry","type":"address"}],"name":"setMechanicsRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_pendingGovernor","type":"address"}],"name":"setPendingGovernor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_v2Keeper","type":"address"}],"name":"setV2Keep3r","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_workCooldown","type":"uint256"}],"name":"setWorkCooldown","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"strategies","outputs":[{"internalType":"address[]","name":"_strategies","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"work","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"workCooldown","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_strategy","type":"address"}],"name":"workable","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc20000000000000000000000007f462b92f92114a2d57a03e5ae2db5da28b77d73000000000000000000000000e72d641f09a48cce6997377d13b2ac7029c642b2000000000000000000000000000000000000000000000000000000000000012c0000000000000000000000000000000000000000000000000000000000000001
-----Decoded View---------------
Arg [0] : _WETH (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Arg [1] : _mechanicsRegistry (address): 0x7f462B92F92114A2D57A03e5Ae2DB5DA28b77d73
Arg [2] : _v2Keeper (address): 0xe72d641f09a48cce6997377d13b2Ac7029c642b2
Arg [3] : _workCooldown (uint256): 300
Arg [4] : _callCost (uint256): 1
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [1] : 0000000000000000000000007f462b92f92114a2d57a03e5ae2db5da28b77d73
Arg [2] : 000000000000000000000000e72d641f09a48cce6997377d13b2ac7029c642b2
Arg [3] : 000000000000000000000000000000000000000000000000000000000000012c
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000001
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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.