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Transfer Ownersh...130767472021-08-22 18:30:401170 days ago1629657040IN
Fractional: Vault Governance
0 ETH0.0012628844
Transfer Ownersh...127504222021-07-02 20:39:281221 days ago1625258368IN
Fractional: Vault Governance
0 ETH0.0003157211
0x60806040127439302021-07-01 20:35:161222 days ago1625171716IN
 Create: Settings
0 ETH0.0166569116

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Contract Source Code Verified (Exact Match)

Contract Name:
Settings

Compiler Version
v0.8.5+commit.a4f2e591

Optimization Enabled:
Yes with 1000 runs

Other Settings:
default evmVersion
File 1 of 4 : Settings.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./OpenZeppelin/access/Ownable.sol";
import "./Interfaces/ISettings.sol";

contract Settings is Ownable, ISettings {

    /// @notice the maximum auction length
    uint256 public override maxAuctionLength;

    /// @notice the longest an auction can ever be
    uint256 public constant maxMaxAuctionLength = 8 weeks;

    /// @notice the minimum auction length
    uint256 public override minAuctionLength;

    /// @notice the shortest an auction can ever be
    uint256 public constant minMinAuctionLength = 1 days;

    /// @notice governance fee max
    uint256 public override governanceFee;

    /// @notice 10% fee is max
    uint256 public constant maxGovFee = 100;

    /// @notice max curator fee
    uint256 public override maxCuratorFee;

    /// @notice the % bid increase required for a new bid
    uint256 public override minBidIncrease;

    /// @notice 10% bid increase is max 
    uint256 public constant maxMinBidIncrease = 100;

    /// @notice 1% bid increase is min
    uint256 public constant minMinBidIncrease = 10;

    /// @notice the % of tokens required to be voting for an auction to start
    uint256 public override minVotePercentage;

    /// @notice the max % increase over the initial 
    uint256 public override maxReserveFactor;

    /// @notice the max % decrease from the initial
    uint256 public override minReserveFactor;

    /// @notice the address who receives auction fees
    address payable public override feeReceiver;

    event UpdateMaxAuctionLength(uint256 _old, uint256 _new);

    event UpdateMinAuctionLength(uint256 _old, uint256 _new);

    event UpdateGovernanceFee(uint256 _old, uint256 _new);

    event UpdateCuratorFee(uint256 _old, uint256 _new);

    event UpdateMinBidIncrease(uint256 _old, uint256 _new);

    event UpdateMinVotePercentage(uint256 _old, uint256 _new);

    event UpdateMaxReserveFactor(uint256 _old, uint256 _new);

    event UpdateMinReserveFactor(uint256 _old, uint256 _new);

    event UpdateFeeReceiver(address _old, address _new);

    constructor() {
        maxAuctionLength = 2 weeks;
        minAuctionLength = 3 days;
        feeReceiver = payable(msg.sender);
        minReserveFactor = 500;  // 50%
        maxReserveFactor = 2000; // 200%
        minBidIncrease = 50;     // 5%
        maxCuratorFee = 100;
        minVotePercentage = 500; // 50%
    }

    function setMaxAuctionLength(uint256 _length) external onlyOwner {
        require(_length <= maxMaxAuctionLength, "max auction length too high");
        require(_length > minAuctionLength, "max auction length too low");

        emit UpdateMaxAuctionLength(maxAuctionLength, _length);

        maxAuctionLength = _length;
    }

    function setMinAuctionLength(uint256 _length) external onlyOwner {
        require(_length >= minMinAuctionLength, "min auction length too low");
        require(_length < maxAuctionLength, "min auction length too high");

        emit UpdateMinAuctionLength(minAuctionLength, _length);

        minAuctionLength = _length;
    }

    function setGovernanceFee(uint256 _fee) external onlyOwner {
        require(_fee <= maxGovFee, "fee too high");

        emit UpdateGovernanceFee(governanceFee, _fee);

        governanceFee = _fee;
    }

    function setMaxCuratorFee(uint256 _fee) external onlyOwner {
        emit UpdateCuratorFee(governanceFee, _fee);

        maxCuratorFee = _fee;
    }

    function setMinBidIncrease(uint256 _min) external onlyOwner {
        require(_min <= maxMinBidIncrease, "min bid increase too high");
        require(_min >= minMinBidIncrease, "min bid increase too low");

        emit UpdateMinBidIncrease(minBidIncrease, _min);

        minBidIncrease = _min;
    }

    function setMinVotePercentage(uint256 _min) external onlyOwner {
        // 1000 is 100%
        require(_min <= 1000, "min vote percentage too high");

        emit UpdateMinVotePercentage(minVotePercentage, _min);

        minVotePercentage = _min;
    }

    function setMaxReserveFactor(uint256 _factor) external onlyOwner {
        require(_factor > minReserveFactor, "max reserve factor too low");

        emit UpdateMaxReserveFactor(maxReserveFactor, _factor);

        maxReserveFactor = _factor;
    }

    function setMinReserveFactor(uint256 _factor) external onlyOwner {
        require(_factor < maxReserveFactor, "min reserve factor too high");

        emit UpdateMinReserveFactor(minReserveFactor, _factor);

        minReserveFactor = _factor;
    }

    function setFeeReceiver(address payable _receiver) external onlyOwner {
        require(_receiver != address(0), "fees cannot go to 0 address");

        emit UpdateFeeReceiver(feeReceiver, _receiver);

        feeReceiver = _receiver;
    }

}

File 2 of 4 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/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.
 */
abstract 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 () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual 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;
    }
}

File 3 of 4 : ISettings.sol
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface ISettings {

    function maxAuctionLength() external returns(uint256);

    function minAuctionLength() external returns(uint256);

    function maxCuratorFee() external returns(uint256);

    function governanceFee() external returns(uint256);

    function minBidIncrease() external returns(uint256);

    function minVotePercentage() external returns(uint256);

    function maxReserveFactor() external returns(uint256);

    function minReserveFactor() external returns(uint256);

    function feeReceiver() external returns(address payable);

}

File 4 of 4 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with 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) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 1000
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

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payable","name":"_receiver","type":"address"}],"name":"setFeeReceiver","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setGovernanceFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_length","type":"uint256"}],"name":"setMaxAuctionLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"setMaxCuratorFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_factor","type":"uint256"}],"name":"setMaxReserveFactor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_length","type":"uint256"}],"name":"setMinAuctionLength","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_min","type":"uint256"}],"name":"setMinBidIncrease","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_factor","type":"uint256"}],"name":"setMinReserveFactor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_min","type":"uint256"}],"name":"setMinVotePercentage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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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.