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Latest 25 from a total of 3,412 transactions
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Get Reward | 20169853 | 23 days ago | IN | 0 ETH | 0.00155667 | ||||
Get Reward | 20169792 | 23 days ago | IN | 0 ETH | 0.00107047 | ||||
Exit | 19286743 | 146 days ago | IN | 0 ETH | 0.00131809 | ||||
Get Reward | 19286737 | 146 days ago | IN | 0 ETH | 0.00323413 | ||||
Get Reward | 18077368 | 316 days ago | IN | 0 ETH | 0.00162635 | ||||
Withdraw | 17106921 | 452 days ago | IN | 0 ETH | 0.00207398 | ||||
Get Reward | 17106886 | 452 days ago | IN | 0 ETH | 0.00294482 | ||||
Withdraw | 16306842 | 564 days ago | IN | 0 ETH | 0.00117774 | ||||
Get Reward | 16271401 | 569 days ago | IN | 0 ETH | 0.00089845 | ||||
Withdraw | 16134876 | 588 days ago | IN | 0 ETH | 0.00145473 | ||||
Withdraw | 15890827 | 623 days ago | IN | 0 ETH | 0.00272283 | ||||
Withdraw | 15864591 | 626 days ago | IN | 0 ETH | 0.00043805 | ||||
Get Reward | 15864577 | 626 days ago | IN | 0 ETH | 0.00045903 | ||||
Withdraw | 15828594 | 631 days ago | IN | 0 ETH | 0.00110788 | ||||
Get Reward | 15823899 | 632 days ago | IN | 0 ETH | 0.00091237 | ||||
Withdraw | 15822287 | 632 days ago | IN | 0 ETH | 0.00092558 | ||||
Get Reward | 15822258 | 632 days ago | IN | 0 ETH | 0.00136456 | ||||
Stake | 15803639 | 635 days ago | IN | 0 ETH | 0.00166543 | ||||
Withdraw | 15803617 | 635 days ago | IN | 0 ETH | 0.00099571 | ||||
Get Reward | 15803588 | 635 days ago | IN | 0 ETH | 0.00140067 | ||||
Exit | 15728618 | 645 days ago | IN | 0 ETH | 0.00141495 | ||||
Stake | 15727954 | 645 days ago | IN | 0 ETH | 0.00291508 | ||||
Exit | 15102543 | 741 days ago | IN | 0 ETH | 0.01335047 | ||||
Withdraw | 15068176 | 746 days ago | IN | 0 ETH | 0.00117643 | ||||
Get Reward | 15068029 | 746 days ago | IN | 0 ETH | 0.00190044 |
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Contract Name:
zGovernance
Compiler Version
v0.6.8+commit.0bbfe453
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/math/Math.sol'; import './IRewardDistributionRecipient.sol'; import './zLOTTokenWrapper.sol'; contract zGovernance is zLOTTokenWrapper, IRewardDistributionRecipient { uint256 public constant DURATION = 7 days; IERC20 public zToken; uint256 public periodFinish = 0; uint256 public rewardRate = 0; uint256 public lastUpdateTime = 0; uint256 public rewardPerTokenStored = 0; mapping(address => uint256) public userRewardPerTokenPaid; mapping(address => uint256) public rewards; mapping(address => uint256) public totalEarnedRewards; event RewardAdded(uint256 reward); event Staked(address indexed user, uint256 amount); event Withdrawn(address indexed user, uint256 amount); event RewardPaid(address indexed user, uint256 reward, uint256 totalEarnedRewards); constructor (address _zLOT, address _zToken) public zLOTTokenWrapper(_zLOT) { zToken = IERC20(_zToken); } modifier updateReward(address account) { rewardPerTokenStored = rewardPerToken(); lastUpdateTime = lastTimeRewardApplicable(); if (account != address(0)) { rewards[account] = earned(account); userRewardPerTokenPaid[account] = rewardPerTokenStored; } _; } function lastTimeRewardApplicable() public view returns (uint256) { return Math.min(block.timestamp, periodFinish); } function rewardPerToken() public view returns (uint256) { if (totalSupply() == 0) { return rewardPerTokenStored; } return rewardPerTokenStored.add( lastTimeRewardApplicable() .sub(lastUpdateTime) .mul(rewardRate) .mul(1e18) .div(totalSupply()) ); } function earned(address account) public view returns (uint256) { return balanceOf(account) .mul(rewardPerToken().sub(userRewardPerTokenPaid[account])) .div(1e18) .add(rewards[account]); } function stake(uint256 amount) override public updateReward(msg.sender) { require(amount > 0, 'zGovernance::stake::cant-stake-0'); super.stake(amount); emit Staked(msg.sender, amount); } function withdraw(uint256 amount) override public updateReward(msg.sender) { require(amount > 0, 'zGovernance::withdraw::cant-withdraw-0'); super.withdraw(amount); emit Withdrawn(msg.sender, amount); } function exit() external { withdraw(balanceOf(msg.sender)); getReward(); } function getReward() public updateReward(msg.sender) { uint256 reward = earned(msg.sender); if (reward > 0) { rewards[msg.sender] = 0; totalEarnedRewards[msg.sender] = totalEarnedRewards[msg.sender].add(reward); zToken.safeTransfer(msg.sender, reward); emit RewardPaid(msg.sender, reward, totalEarnedRewards[msg.sender]); } } function notifyRewardAmount(uint256 reward) external override onlyRewardDistribution updateReward(address(0)) { IERC20(zToken).safeTransferFrom(msg.sender, address(this), reward); if (block.timestamp >= periodFinish) { rewardRate = reward.div(DURATION); } else { uint256 remaining = periodFinish.sub(block.timestamp); uint256 leftover = remaining.mul(rewardRate); rewardRate = reward.add(leftover).div(DURATION); } lastUpdateTime = block.timestamp; periodFinish = block.timestamp.add(DURATION); emit RewardAdded(reward); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/utils/Address.sol'; import '@openzeppelin/contracts/utils/EnumerableSet.sol'; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '../interfaces/ICollectableDust.sol'; abstract contract CollectableDust is ICollectableDust { using EnumerableSet for EnumerableSet.AddressSet; address public constant ETH_ADDRESS = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; EnumerableSet.AddressSet internal protocolTokens; constructor() public {} 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).transfer(_to, _amount); } emit DustSent(_to, _token, _amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.2; /** * @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 in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @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 v3.0.0, only sets of type `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; // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement. 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] = toDeleteIndex + 1; // All indexes are 1-based // 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) { require(set._values.length > index, "EnumerableSet: index out of bounds"); return set._values[index]; } // 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(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(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(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(uint256(_at(set._inner, index))); } // 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)); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @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 >=0.6.8; 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 >=0.6.8; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '@openzeppelin/contracts/token/ERC20/SafeERC20.sol'; import '../../interfaces/zTreasury/IZTreasury.sol'; import '../Governable.sol'; import '../CollectableDust.sol'; import './zTreasuryProtocolParameters.sol'; contract zTreasury is Governable, CollectableDust, zTreasuryProtocolParameters, IZTreasury { using SafeERC20 for IERC20; uint256 public override lastEarningsDistribution = 0; uint256 public override totalEarningsDistributed = 0; constructor( address _governor, address _zGov, address _maintainer, address _zToken, uint256 _maintainerShare, uint256 _governanceShare ) public zTreasuryProtocolParameters( _zGov, _maintainer, _zToken, _maintainerShare, _governanceShare ) CollectableDust() Governable(_governor) { // governor = timelock _addProtocolToken(_zToken); } function distributeEarnings() external override { uint256 _balance = zToken.balanceOf(address(this)); // Send zToken to maintainer uint256 _maintainerEarnings = _balance.mul(maintainerShare).div(SHARES_PRECISION).div(100); zToken.safeTransfer(maintainer, _maintainerEarnings); // Send zToken to zGov uint256 _governanceEarnings = _balance.sub(_maintainerEarnings); zToken.safeApprove(address(zGov), 0); zToken.safeApprove(address(zGov), _governanceEarnings); // Notify governance reward amount to distribute zGov.notifyRewardAmount(_governanceEarnings); // Set last time distributed lastEarningsDistribution = block.timestamp; totalEarningsDistributed = totalEarningsDistributed.add(_balance); // Emit event emit EarningsDistributed(_maintainerEarnings, _governanceEarnings, totalEarningsDistributed); } // zTreasuryProtocolParameters function setZGov(address _zGov) external override onlyGovernor { _setZGov(_zGov); } function setMaintainer(address _maintainer) external override onlyGovernor { _setMaintainer(_maintainer); } function setZToken(address _zToken) external override onlyGovernor { require(address(zToken) != _zToken, 'zTreasury::setZToken::same-ztoken'); _removeProtocolToken(address(zToken)); _addProtocolToken(address(_zToken)); _setZToken(_zToken); } function setShares(uint256 _maintainerShare, uint256 _governanceShare) external override onlyGovernor { _setShares(_maintainerShare, _governanceShare); } // Governable function setPendingGovernor(address _pendingGovernor) external override onlyGovernor { _setPendingGovernor(_pendingGovernor); } function acceptGovernor() external override onlyPendingGovernor { _acceptGovernor(); } // Collectable Dust function sendDust( address _to, address _token, uint256 _amount ) external override onlyGovernor { _sendDust(_to, _token, _amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "./IERC20.sol"; import "../../math/SafeMath.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 SafeMath for uint256; using Address for address; function safeTransfer(IERC20 token, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove(IERC20 token, address spender, uint256 value) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' // solhint-disable-next-line max-line-length require((value == 0) || (token.allowance(address(this), spender) == 0), "SafeERC20: approve from non-zero to non-zero allowance" ); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).add(value); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal { uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero"); _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance)); } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import './IZTreasuryProtocolParameters.sol'; interface IZTreasury is IZTreasuryProtocolParameters { event EarningsDistributed( uint256 maintainerRewards, uint256 governanceRewards, uint256 totalEarningsDistributed ); function lastEarningsDistribution() external returns (uint256); function totalEarningsDistributed() external returns (uint256); function distributeEarnings() external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '../interfaces/IGovernable.sol'; abstract contract Governable is IGovernable { address public governor; address public pendingGovernor; constructor(address _governor) public { require(_governor != address(0), 'governable/governor-should-not-be-zero-address'); governor = _governor; } 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(); } modifier onlyGovernor { require(msg.sender == governor, 'governable/only-governor'); _; } modifier onlyPendingGovernor { require(msg.sender == pendingGovernor, 'governable/only-pending-governor'); _; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/math/SafeMath.sol'; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; import '../../interfaces/zTreasury/IZTreasuryProtocolParameters.sol'; abstract contract zTreasuryProtocolParameters is IZTreasuryProtocolParameters { using SafeMath for uint256; uint256 public constant override SHARES_PRECISION = 10000; uint256 public constant override MAX_MAINTAINER_SHARE = 25 * SHARES_PRECISION; IERC20 public override zToken; // zhegic zGovernance public override zGov; // zgov address public override maintainer; uint256 public override maintainerShare; uint256 public override governanceShare; constructor( address _zGov, address _maintainer, address _zToken, uint256 _maintainerShare, uint256 _governanceShare ) public { _setZGov(_zGov); _setMaintainer(_maintainer); _setZToken(_zToken); _setShares(_maintainerShare, _governanceShare); } function _setZGov(address _zGov) internal { require(_zGov != address(0), 'zTreasuryProtocolParameters::_setZGov::no-zero-address'); zGov = zGovernance(_zGov); emit ZGovSet(_zGov); } function _setMaintainer(address _maintainer) internal { require(_maintainer != address(0), 'zTreasuryProtocolParameters::_setMaintainer::no-zero-address'); maintainer = _maintainer; emit MaintainerSet(_maintainer); } function _setZToken(address _zToken) internal { require(_zToken != address(0), 'zTreasuryProtocolParameters::_setZToken::no-zero-address'); zToken = IERC20(_zToken); emit ZTokenSet(_zToken); } function _setShares(uint256 _maintainerShare, uint256 _governanceShare) internal { require(_maintainerShare.add(_governanceShare) == SHARES_PRECISION.mul(100), 'zTreasuryProtocolParameters::_setShares::not-100-percent'); require(_maintainerShare <= MAX_MAINTAINER_SHARE, 'zTreasuryProtocolParameters::_setShares::exceeds-max-mantainer-share'); maintainerShare = _maintainerShare; governanceShare = _governanceShare; emit SharesSet(_maintainerShare, _governanceShare); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/token/ERC20/IERC20.sol'; interface zGovernance { function notifyRewardAmount(uint) external; } interface IZTreasuryProtocolParameters { event ZGovSet(address zGov); event MaintainerSet(address maintainer); event ZTokenSet(address zToken); event SharesSet(uint256 maintainerShare, uint256 governanceShare); function zToken() external returns (IERC20); // zhegic function zGov() external returns (zGovernance); // zgov rewards function maintainer() external returns (address); function SHARES_PRECISION() external returns (uint256); function MAX_MAINTAINER_SHARE() external returns (uint256); function maintainerShare() external returns (uint256); function governanceShare() external returns (uint256); function setZGov(address _zGov) external; function setMaintainer(address _maintainer) external; function setZToken(address _zToken) external; function setShares(uint256 _maintainerShare, uint256 _governanceShare) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; interface IGovernable { event PendingGovernorSet(address pendingGovernor); event GovernorAccepted(); function setPendingGovernor(address _pendingGovernor) external; function acceptGovernor() external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/math/SafeMath.sol'; import '@openzeppelin/contracts/token/ERC20/SafeERC20.sol'; contract zLOTTokenWrapper { using SafeMath for uint256; using SafeERC20 for IERC20; IERC20 public zLOT; uint256 private _totalSupply; mapping(address => uint256) private _balances; constructor(address _zLOT) public { zLOT = IERC20(_zLOT); } function totalSupply() public view returns (uint256) { return _totalSupply; } function balanceOf(address account) public view returns (uint256) { return _balances[account]; } function stake(uint256 amount) public virtual { _totalSupply = _totalSupply.add(amount); _balances[msg.sender] = _balances[msg.sender].add(amount); zLOT.safeTransferFrom(msg.sender, address(this), amount); } function withdraw(uint256 amount) public virtual { _totalSupply = _totalSupply.sub(amount); _balances[msg.sender] = _balances[msg.sender].sub(amount); zLOT.safeTransfer(msg.sender, amount); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow, so we distribute return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.8; import '@openzeppelin/contracts/access/Ownable.sol'; abstract contract IRewardDistributionRecipient is Ownable { address public rewardDistribution; function notifyRewardAmount(uint256 reward) external virtual; modifier onlyRewardDistribution() { require(_msgSender() == rewardDistribution, 'Caller is not reward distribution'); _; } function setRewardDistribution(address _rewardDistribution) external onlyOwner { rewardDistribution = _rewardDistribution; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "../GSN/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
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IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"zToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000a8e7ad77c60ee6f30bac54e2e7c0617bd7b5a03e000000000000000000000000837010619aeb2ae24141605afc8f66577f6fb2e7
-----Decoded View---------------
Arg [0] : _zLOT (address): 0xA8e7AD77C60eE6f30BaC54E2E7c0617Bd7B5A03E
Arg [1] : _zToken (address): 0x837010619aeb2AE24141605aFC8f66577f6fb2e7
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a8e7ad77c60ee6f30bac54e2e7c0617bd7b5a03e
Arg [1] : 000000000000000000000000837010619aeb2ae24141605afc8f66577f6fb2e7
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OVERVIEW
zGovernance is the rewards contract for zLOT tokenholders.Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $0.025406 | 80,116.1501 | $2,035.43 |
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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.