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Latest 25 from a total of 5,951 transactions
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Distribute Rewar... | 20210335 | 5 hrs ago | IN | 0 ETH | 0.00062994 | ||||
Distribute Rewar... | 20207799 | 13 hrs ago | IN | 0 ETH | 0.0005463 | ||||
Distribute Rewar... | 20203467 | 28 hrs ago | IN | 0 ETH | 0.00067026 | ||||
Distribute Rewar... | 20203018 | 29 hrs ago | IN | 0 ETH | 0.00034567 | ||||
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Distribute Rewar... | 20200933 | 36 hrs ago | IN | 0 ETH | 0.00050422 | ||||
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Distribute Rewar... | 20198991 | 43 hrs ago | IN | 0 ETH | 0.00037124 | ||||
Distribute Rewar... | 20198094 | 46 hrs ago | IN | 0 ETH | 0.00082044 | ||||
Distribute Rewar... | 20196310 | 2 days ago | IN | 0 ETH | 0.0005484 | ||||
Distribute Rewar... | 20196308 | 2 days ago | IN | 0 ETH | 0.00055591 | ||||
Distribute Rewar... | 20192134 | 2 days ago | IN | 0 ETH | 0.000912 | ||||
Distribute Rewar... | 20188551 | 3 days ago | IN | 0 ETH | 0.00063193 | ||||
Distribute Rewar... | 20186761 | 3 days ago | IN | 0 ETH | 0.00094573 | ||||
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Distribute Rewar... | 20186022 | 3 days ago | IN | 0 ETH | 0.00116958 | ||||
Distribute Rewar... | 20186019 | 3 days ago | IN | 0 ETH | 0.00121958 | ||||
Distribute Rewar... | 20186017 | 3 days ago | IN | 0 ETH | 0.00110233 | ||||
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Distribute Rewar... | 20185422 | 3 days ago | IN | 0 ETH | 0.00144189 | ||||
Distribute Rewar... | 20185273 | 3 days ago | IN | 0 ETH | 0.00173259 | ||||
Distribute Rewar... | 20185123 | 3 days ago | IN | 0 ETH | 0.00171149 | ||||
Distribute Rewar... | 20184825 | 3 days ago | IN | 0 ETH | 0.00360432 | ||||
Distribute Rewar... | 20184676 | 3 days ago | IN | 0 ETH | 0.0046496 |
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Contract Name:
FraxGaugeFXSRewardsDistributor
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
Yes with 100000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.6.11; // ==================================================================== // | ______ _______ | // | / _____________ __ __ / ____(_____ ____ _____ ________ | // | / /_ / ___/ __ `| |/_/ / /_ / / __ \/ __ `/ __ \/ ___/ _ \ | // | / __/ / / / /_/ _> < / __/ / / / / / /_/ / / / / /__/ __/ | // | /_/ /_/ \__,_/_/|_| /_/ /_/_/ /_/\__,_/_/ /_/\___/\___/ | // | | // ==================================================================== // ================== FraxGaugeFXSRewardsDistributor ================== // ==================================================================== // Looks at the gauge controller contract and pushes out FXS rewards once // a week to the gauges (farms) // Frax Finance: https://github.com/FraxFinance // Primary Author(s) // Travis Moore: https://github.com/FortisFortuna // Reviewer(s) / Contributor(s) // Jason Huan: https://github.com/jasonhuan // Sam Kazemian: https://github.com/samkazemian import "../Math/Math.sol"; import "../Math/SafeMath.sol"; import "../ERC20/ERC20.sol"; import "../ERC20/SafeERC20.sol"; import "./IFraxGaugeController.sol"; import "./FraxMiddlemanGauge.sol"; import '../Uniswap/TransferHelper.sol'; import "../Staking/Owned.sol"; contract FraxGaugeFXSRewardsDistributor is Owned { using SafeMath for uint256; using SafeERC20 for ERC20; /* ========== STATE VARIABLES ========== */ // Instances and addresses address private reward_token_address; IFraxGaugeController private gauge_controller; // Admin addresses address public timelock_address; address public curator_address; // Constants uint256 private constant MULTIPLIER_PRECISION = 1e18; uint256 private constant ONE_WEEK = 604800; // Gauge controller related mapping(address => bool) public gauge_whitelist; mapping(address => bool) public is_middleman; // For cross-chain farms, use a middleman contract to push to a bridge mapping(address => uint256) public last_time_gauge_paid; // Booleans bool public distributionsOn; /* ========== MODIFIERS ========== */ modifier onlyByOwnerOrGovernance() { require(msg.sender == owner || msg.sender == timelock_address, "Not owner or timelock"); _; } modifier onlyByOwnerOrCuratorOrGovernance() { require(msg.sender == owner || msg.sender == curator_address || msg.sender == timelock_address, "Not owner, curator, or timelock"); _; } modifier isDistributing() { require(distributionsOn == true, "Distributions are off"); _; } /* ========== CONSTRUCTOR ========== */ constructor( address _owner, address _timelock_address, address _curator_address, address _reward_token_address, address _gauge_controller_address ) Owned(_owner) { curator_address = _curator_address; timelock_address = _timelock_address; reward_token_address = _reward_token_address; gauge_controller = IFraxGaugeController(_gauge_controller_address); distributionsOn = true; } /* ========== VIEWS ========== */ // Current weekly reward amount function currentReward(address gauge_address) public view returns (uint256 reward_amount) { uint256 rel_weight = gauge_controller.gauge_relative_weight(gauge_address, block.timestamp); uint256 rwd_rate = (gauge_controller.global_emission_rate()).mul(rel_weight).div(1e18); reward_amount = rwd_rate.mul(ONE_WEEK); } /* ========== MUTATIVE FUNCTIONS ========== */ // Callable by anyone function distributeReward(address gauge_address) public isDistributing returns (uint256 weeks_elapsed, uint256 reward_tally) { require(gauge_whitelist[gauge_address], "Gauge not whitelisted"); // Calculate the elapsed time in weeks. Truncation desired uint256 last_time_paid = last_time_gauge_paid[gauge_address]; // Edge case for first reward for this gauge if (last_time_paid == 0){ weeks_elapsed = 1; } else { weeks_elapsed = (block.timestamp).sub(last_time_gauge_paid[gauge_address]) / ONE_WEEK; // Return early here for 0 weeks instead of throwing, as it could have bad effects in other contracts if (weeks_elapsed == 0) { return (0, 0); } } // NOTE: This will always use the current global_emission_rate() reward_tally = 0; for (uint i = 0; i < (weeks_elapsed); i++){ uint256 rel_weight_at_week; if (i == 0) { // Mutative, for the current week. Makes sure the weight is checkpointed. Also returns the weight. rel_weight_at_week = gauge_controller.gauge_relative_weight_write(gauge_address, block.timestamp); } else { // View rel_weight_at_week = gauge_controller.gauge_relative_weight(gauge_address, (block.timestamp).sub(ONE_WEEK * i)); } uint256 rwd_rate_at_week = (gauge_controller.global_emission_rate()).mul(rel_weight_at_week).div(1e18); reward_tally = reward_tally.add(rwd_rate_at_week.mul(ONE_WEEK)); } // Update the last time paid last_time_gauge_paid[gauge_address] = block.timestamp; if (is_middleman[gauge_address]){ // Cross chain: Pay out the rewards to the middleman contract // Approve for the middleman first ERC20(reward_token_address).approve(gauge_address, reward_tally); // Trigger the middleman FraxMiddlemanGauge(gauge_address).pullAndBridge(reward_tally); } else { // Mainnet: Pay out the rewards directly to the gauge TransferHelper.safeTransfer(reward_token_address, gauge_address, reward_tally); } emit RewardDistributed(gauge_address, reward_tally); } /* ========== RESTRICTED FUNCTIONS - Curator / migrator callable ========== */ // For emergency situations function toggleDistributions() external onlyByOwnerOrCuratorOrGovernance { distributionsOn = !distributionsOn; emit DistributionsToggled(distributionsOn); } /* ========== RESTRICTED FUNCTIONS - Owner or timelock only ========== */ // Added to support recovering LP Rewards and other mistaken tokens from other systems to be distributed to holders function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyByOwnerOrGovernance { // Only the owner address can ever receive the recovery withdrawal TransferHelper.safeTransfer(tokenAddress, owner, tokenAmount); emit RecoveredERC20(tokenAddress, tokenAmount); } function setGaugeState(address _gauge_address, bool _is_middleman, bool _is_active) external onlyByOwnerOrGovernance { is_middleman[_gauge_address] = _is_middleman; gauge_whitelist[_gauge_address] = _is_active; emit GaugeStateChanged(_gauge_address, _is_middleman, _is_active); } function setTimelock(address _new_timelock) external onlyByOwnerOrGovernance { timelock_address = _new_timelock; } function setCurator(address _new_curator_address) external onlyByOwnerOrGovernance { curator_address = _new_curator_address; } function setGaugeController(address _gauge_controller_address) external onlyByOwnerOrGovernance { gauge_controller = IFraxGaugeController(_gauge_controller_address); } /* ========== EVENTS ========== */ event RewardDistributed(address indexed gauge_address, uint256 reward_amount); event RecoveredERC20(address token, uint256 amount); event GaugeStateChanged(address gauge_address, bool is_middleman, bool is_active); event DistributionsToggled(bool distibutions_state); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; /** * @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); } // babylonian method (https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method) function sqrt(uint y) internal pure returns (uint z) { if (y > 3) { z = y; uint x = y / 2 + 1; while (x < z) { z = x; x = (y / x + x) / 2; } } else if (y != 0) { z = 1; } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; /** * @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. * * _Available since v2.4.0._ */ 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. * * _Available since v2.4.0._ */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 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. * * _Available since v2.4.0._ */ 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 >=0.6.11; import "../Common/Context.sol"; import "./IERC20.sol"; import "../Math/SafeMath.sol"; import "../Utils/Address.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20Mintable}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory __name, string memory __symbol) public { _name = __name; _symbol = __symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5,05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is * called. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address.approve(address spender, uint256 amount) */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for `sender`'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for `accounts`'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Destroys `amount` tokens from `account`.`amount` is then deducted * from the caller's allowance. * * See {_burn} and {_approve}. */ function _burnFrom(address account, uint256 amount) internal virtual { _burn(account, amount); _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance")); } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of `from`'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of `from`'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:using-hooks.adoc[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; 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"); } } }
pragma solidity >=0.6.11; // https://github.com/swervefi/swerve/edit/master/packages/swerve-contracts/interfaces/IGaugeController.sol interface IFraxGaugeController { struct Point { uint256 bias; uint256 slope; } struct VotedSlope { uint256 slope; uint256 power; uint256 end; } // Public variables function admin() external view returns (address); function future_admin() external view returns (address); function token() external view returns (address); function voting_escrow() external view returns (address); function n_gauge_types() external view returns (int128); function n_gauges() external view returns (int128); function gauge_type_names(int128) external view returns (string memory); function gauges(uint256) external view returns (address); function vote_user_slopes(address, address) external view returns (VotedSlope memory); function vote_user_power(address) external view returns (uint256); function last_user_vote(address, address) external view returns (uint256); function points_weight(address, uint256) external view returns (Point memory); function time_weight(address) external view returns (uint256); function points_sum(int128, uint256) external view returns (Point memory); function time_sum(uint256) external view returns (uint256); function points_total(uint256) external view returns (uint256); function time_total() external view returns (uint256); function points_type_weight(int128, uint256) external view returns (uint256); function time_type_weight(uint256) external view returns (uint256); // Getter functions function gauge_types(address) external view returns (int128); function gauge_relative_weight(address, uint256) external view returns (uint256); function get_gauge_weight(address) external view returns (uint256); function get_type_weight(int128) external view returns (uint256); function get_total_weight() external view returns (uint256); function get_weights_sum_per_type(int128) external view returns (uint256); // External functions function commit_transfer_ownership(address) external; function apply_transfer_ownership() external; function add_gauge( address, int128, uint256 ) external; function checkpoint() external; function checkpoint_gauge(address) external; function global_emission_rate() external view returns (uint256); function gauge_relative_weight_write(address, uint256) external returns (uint256); function add_type(string memory, uint256) external; function change_type_weight(int128, uint256) external; function change_gauge_weight(address, uint256) external; function change_global_emission_rate(uint256) external; function vote_for_gauge_weights(address, uint256) external; }
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.6.11; // ==================================================================== // | ______ _______ | // | / _____________ __ __ / ____(_____ ____ _____ ________ | // | / /_ / ___/ __ `| |/_/ / /_ / / __ \/ __ `/ __ \/ ___/ _ \ | // | / __/ / / / /_/ _> < / __/ / / / / / /_/ / / / / /__/ __/ | // | /_/ /_/ \__,_/_/|_| /_/ /_/_/ /_/\__,_/_/ /_/\___/\___/ | // | | // ==================================================================== // ======================== FraxMiddlemanGauge ======================== // ==================================================================== // Looks at the gauge controller contract and pushes out FXS rewards once // a week to the gauges (farms). // This contract is what gets added to the gauge as a 'slice' // Frax Finance: https://github.com/FraxFinance // Primary Author(s) // Travis Moore: https://github.com/FortisFortuna // Reviewer(s) / Contributor(s) // Jason Huan: https://github.com/jasonhuan // Sam Kazemian: https://github.com/samkazemian import "../Math/Math.sol"; import "../Math/SafeMath.sol"; import "../ERC20/ERC20.sol"; import "../ERC20/SafeERC20.sol"; import "./FraxGaugeFXSRewardsDistributor.sol"; import "../Misc_AMOs/polygon/IRootChainManager.sol"; import "../Misc_AMOs/solana/IWormhole.sol"; import '../Uniswap/TransferHelper.sol'; import "../Staking/Owned.sol"; contract FraxMiddlemanGauge is Owned { using SafeMath for uint256; using SafeERC20 for ERC20; /* ========== STATE VARIABLES ========== */ // Instances and addresses address public reward_token_address = 0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0; // FXS address public rewards_distributor_address; // Informational string public name; // Admin addresses address public timelock_address; // Gauge-related address public bridge_address; uint256 public bridge_type; address public destination_address_override; string public non_evm_destination_address; // Tracking uint32 public fake_nonce; /* ========== MODIFIERS ========== */ modifier onlyByOwnerOrGovernance() { require(msg.sender == owner || msg.sender == timelock_address, "Not owner or timelock"); _; } modifier onlyRewardsDistributor() { require(msg.sender == rewards_distributor_address, "Not rewards distributor"); _; } /* ========== CONSTRUCTOR ========== */ constructor( address _owner, address _timelock_address, address _rewards_distributor_address, address _bridge_address, uint256 _bridge_type, address _destination_address_override, string memory _non_evm_destination_address, string memory _name ) Owned(_owner) { timelock_address = _timelock_address; rewards_distributor_address = _rewards_distributor_address; bridge_address = _bridge_address; bridge_type = _bridge_type; destination_address_override = _destination_address_override; non_evm_destination_address = _non_evm_destination_address; name = _name; fake_nonce = 0; } /* ========== MUTATIVE FUNCTIONS ========== */ // Callable only by the rewards distributor function pullAndBridge(uint256 reward_amount) external onlyRewardsDistributor { require(bridge_address != address(0), "Invalid bridge address"); // Pull in the rewards from the rewards distributor TransferHelper.safeTransferFrom(reward_token_address, rewards_distributor_address, address(this), reward_amount); address address_to_send_to = address(this); if (destination_address_override != address(0)) address_to_send_to = destination_address_override; if (bridge_type == 0) { // Avalanche [Anyswap] TransferHelper.safeTransfer(reward_token_address, address_to_send_to, reward_amount); } else if (bridge_type == 1) { // BSC TransferHelper.safeTransfer(reward_token_address, address_to_send_to, reward_amount); } else if (bridge_type == 2) { // Fantom [Anyswap] TransferHelper.safeTransfer(reward_token_address, address_to_send_to, reward_amount); } else if (bridge_type == 3) { // Polygon // Bridge is 0xA0c68C638235ee32657e8f720a23ceC1bFc77C77 // Interesting info https://blog.cryption.network/cryption-network-launches-cross-chain-staking-6cf000c25477 // Approve IRootChainManager rootChainMgr = IRootChainManager(bridge_address); bytes32 tokenType = rootChainMgr.tokenToType(reward_token_address); address predicate = rootChainMgr.typeToPredicate(tokenType); ERC20(reward_token_address).approve(predicate, reward_amount); // DepositFor bytes memory depositData = abi.encode(reward_amount); rootChainMgr.depositFor(address_to_send_to, reward_token_address, depositData); } else if (bridge_type == 4) { // Solana // Wormhole Bridge is 0xf92cD566Ea4864356C5491c177A430C222d7e678 revert("Not supported yet"); // // Approve // ERC20(reward_token_address).approve(bridge_address, reward_amount); // // lockAssets // require(non_evm_destination_address != 0, "Invalid destination"); // // non_evm_destination_address = base58 -> hex // // https://www.appdevtools.com/base58-encoder-decoder // IWormhole(bridge_address).lockAssets( // reward_token_address, // reward_amount, // non_evm_destination_address, // 1, // fake_nonce, // false // ); } fake_nonce += 1; } /* ========== RESTRICTED FUNCTIONS - Owner or timelock only ========== */ // Added to support recovering LP Rewards and other mistaken tokens from other systems to be distributed to holders function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyByOwnerOrGovernance { // Only the owner address can ever receive the recovery withdrawal TransferHelper.safeTransfer(tokenAddress, owner, tokenAmount); emit RecoveredERC20(tokenAddress, tokenAmount); } function setTimelock(address _new_timelock) external onlyByOwnerOrGovernance { timelock_address = _new_timelock; } function setBridgeInfo(address _bridge_address, uint256 _bridge_type, address _destination_address_override, string memory _non_evm_destination_address) external onlyByOwnerOrGovernance { _bridge_address = bridge_address; // 0: Avalanche // 1: BSC // 2: Fantom // 3: Polygon // 4: Solana bridge_type = _bridge_type; // Overridden cross-chain destination address destination_address_override = _destination_address_override; // Set bytes32 / non-EVM address on the other chain, if applicable non_evm_destination_address = _non_evm_destination_address; emit BridgeInfoChanged(_bridge_address, _bridge_type, _destination_address_override, _non_evm_destination_address); } function setRewardsDistributor(address _rewards_distributor_address) external onlyByOwnerOrGovernance { rewards_distributor_address = _rewards_distributor_address; } /* ========== EVENTS ========== */ event RecoveredERC20(address token, uint256 amount); event BridgeInfoChanged(address bridge_address, uint256 bridge_type, address destination_address_override, string non_evm_destination_address); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; // helper methods for interacting with ERC20 tokens and sending ETH that do not consistently return true/false library TransferHelper { function safeApprove(address token, address to, uint value) internal { // bytes4(keccak256(bytes('approve(address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x095ea7b3, to, value)); require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: APPROVE_FAILED'); } function safeTransfer(address token, address to, uint value) internal { // bytes4(keccak256(bytes('transfer(address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value)); require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED'); } function safeTransferFrom(address token, address from, address to, uint value) internal { // bytes4(keccak256(bytes('transferFrom(address,address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0x23b872dd, from, to, value)); require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FROM_FAILED'); } function safeTransferETH(address to, uint value) internal { (bool success,) = to.call{value:value}(new bytes(0)); require(success, 'TransferHelper: ETH_TRANSFER_FAILED'); } }
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.6.11; // https://docs.synthetix.io/contracts/Owned contract Owned { address public owner; address public nominatedOwner; constructor(address _owner) public { require(_owner != address(0), "Owner address cannot be 0"); owner = _owner; emit OwnerChanged(address(0), _owner); } function nominateNewOwner(address _owner) external onlyOwner { nominatedOwner = _owner; emit OwnerNominated(_owner); } function acceptOwnership() external { require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership"); emit OwnerChanged(owner, nominatedOwner); owner = nominatedOwner; nominatedOwner = address(0); } modifier onlyOwner { require(msg.sender == owner, "Only the contract owner may perform this action"); _; } event OwnerNominated(address newOwner); event OwnerChanged(address oldOwner, address newOwner); }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; /* * @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 payable(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; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.6.11; import "../Common/Context.sol"; import "../Math/SafeMath.sol"; /** * @dev Interface of the ERC20 standard as defined in the EIP. Does not include * the optional functions; to access them see {ERC20Detailed}. */ 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 >=0.6.11 <0.9.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: value }(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.staticcall(data); return _verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.delegatecall(data); return _verifyCallResult(success, returndata, errorMessage); } function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.6.11; pragma experimental ABIEncoderV2; interface IRootChainManager { function depositFor (address user, address rootToken, bytes memory depositData) external; function tokenToType (address) external view returns (bytes32); function typeToPredicate (bytes32) external view returns (address); } // interface GeneratedInterface { // function DEFAULT_ADMIN_ROLE ( ) external view returns ( bytes32 ); // function DEPOSIT ( ) external view returns ( bytes32 ); // function ERC712_VERSION ( ) external view returns ( string ); // function ETHER_ADDRESS ( ) external view returns ( address ); // function MAPPER_ROLE ( ) external view returns ( bytes32 ); // function MAP_TOKEN ( ) external view returns ( bytes32 ); // function checkpointManagerAddress ( ) external view returns ( address ); // function childChainManagerAddress ( ) external view returns ( address ); // function childToRootToken ( address ) external view returns ( address ); // function cleanMapToken ( address rootToken, address childToken ) external; // function depositEtherFor ( address user ) external; // function depositFor ( address user, address rootToken, bytes depositData ) external; // function executeMetaTransaction ( address userAddress, bytes functionSignature, bytes32 sigR, bytes32 sigS, uint8 sigV ) external returns ( bytes ); // function exit ( bytes inputData ) external; // function getChainId ( ) external pure returns ( uint256 ); // function getDomainSeperator ( ) external view returns ( bytes32 ); // function getNonce ( address user ) external view returns ( uint256 nonce ); // function getRoleAdmin ( bytes32 role ) external view returns ( bytes32 ); // function getRoleMember ( bytes32 role, uint256 index ) external view returns ( address ); // function getRoleMemberCount ( bytes32 role ) external view returns ( uint256 ); // function grantRole ( bytes32 role, address account ) external; // function hasRole ( bytes32 role, address account ) external view returns ( bool ); // function initialize ( address _owner ) external; // function initializeEIP712 ( ) external; // function mapToken ( address rootToken, address childToken, bytes32 tokenType ) external; // function processedExits ( bytes32 ) external view returns ( bool ); // function registerPredicate ( bytes32 tokenType, address predicateAddress ) external; // function remapToken ( address rootToken, address childToken, bytes32 tokenType ) external; // function renounceRole ( bytes32 role, address account ) external; // function revokeRole ( bytes32 role, address account ) external; // function rootToChildToken ( address ) external view returns ( address ); // function setCheckpointManager ( address newCheckpointManager ) external; // function setChildChainManagerAddress ( address newChildChainManager ) external; // function setStateSender ( address newStateSender ) external; // function setupContractId ( ) external; // function stateSenderAddress ( ) external view returns ( address ); // function tokenToType ( address ) external view returns ( bytes32 ); // function typeToPredicate ( bytes32 ) external view returns ( address ); // }
// SPDX-License-Identifier: GPL-2.0-or-later pragma solidity >=0.6.11; pragma experimental ABIEncoderV2; interface IWormhole { function guardian_set_expirity () external view returns (uint32); function guardian_set_index () external view returns (uint32); function guardian_sets (uint32) external view returns (uint32 expiration_time); function isWrappedAsset (address) external view returns (bool); function lockAssets (address asset, uint256 amount, bytes32 recipient, uint8 target_chain, uint32 nonce, bool refund_dust) external; function lockETH (bytes32 recipient, uint8 target_chain, uint32 nonce) external; function wrappedAssetMaster () external view returns (address); function wrappedAssets (bytes32) external view returns (address); }
{ "optimizer": { "enabled": true, "runs": 100000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "metadata": { "useLiteralContent": true }, "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_timelock_address","type":"address"},{"internalType":"address","name":"_curator_address","type":"address"},{"internalType":"address","name":"_reward_token_address","type":"address"},{"internalType":"address","name":"_gauge_controller_address","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"distibutions_state","type":"bool"}],"name":"DistributionsToggled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"gauge_address","type":"address"},{"indexed":false,"internalType":"bool","name":"is_middleman","type":"bool"},{"indexed":false,"internalType":"bool","name":"is_active","type":"bool"}],"name":"GaugeStateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerNominated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RecoveredERC20","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"gauge_address","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward_amount","type":"uint256"}],"name":"RewardDistributed","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"curator_address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"gauge_address","type":"address"}],"name":"currentReward","outputs":[{"internalType":"uint256","name":"reward_amount","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"gauge_address","type":"address"}],"name":"distributeReward","outputs":[{"internalType":"uint256","name":"weeks_elapsed","type":"uint256"},{"internalType":"uint256","name":"reward_tally","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"distributionsOn","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"gauge_whitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"is_middleman","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"last_time_gauge_paid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"nominateNewOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nominatedOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"},{"internalType":"uint256","name":"tokenAmount","type":"uint256"}],"name":"recoverERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_new_curator_address","type":"address"}],"name":"setCurator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gauge_controller_address","type":"address"}],"name":"setGaugeController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gauge_address","type":"address"},{"internalType":"bool","name":"_is_middleman","type":"bool"},{"internalType":"bool","name":"_is_active","type":"bool"}],"name":"setGaugeState","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_new_timelock","type":"address"}],"name":"setTimelock","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"timelock_address","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"toggleDistributions","outputs":[],"stateMutability":"nonpayable","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)
000000000000000000000000234d953a9404bf9dbc3b526271d440cd2870bcd20000000000000000000000008412ebf45bac1b340bbe8f318b928c466c4e39ca00000000000000000000000073f9f84b04584227b4f0baffd8b37d6d0c11a23c0000000000000000000000003432b6a60d23ca0dfca7761b7ab56459d9c964d000000000000000000000000044ade9aa409b0c29463ff7fcf07c9d3c939166ce
-----Decoded View---------------
Arg [0] : _owner (address): 0x234D953a9404Bf9DbC3b526271d440cD2870bCd2
Arg [1] : _timelock_address (address): 0x8412ebf45bAC1B340BbE8F318b928C466c4E39CA
Arg [2] : _curator_address (address): 0x73f9F84B04584227b4f0bafFd8B37D6D0C11a23c
Arg [3] : _reward_token_address (address): 0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0
Arg [4] : _gauge_controller_address (address): 0x44ade9AA409B0C29463fF7fcf07c9d3c939166ce
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000234d953a9404bf9dbc3b526271d440cd2870bcd2
Arg [1] : 0000000000000000000000008412ebf45bac1b340bbe8f318b928c466c4e39ca
Arg [2] : 00000000000000000000000073f9f84b04584227b4f0baffd8b37d6d0c11a23c
Arg [3] : 0000000000000000000000003432b6a60d23ca0dfca7761b7ab56459d9c964d0
Arg [4] : 00000000000000000000000044ade9aa409b0c29463ff7fcf07c9d3c939166ce
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
---|---|---|---|---|---|
ETH | 100.00% | $3 | 219,996.773 | $659,990.32 |
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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.