Contract Name:
StakingConfig
Contract Source Code:
// SPDX-License-Identifier: BUSL 1.1
pragma solidity =0.8.22;
import "openzeppelin-contracts/contracts/access/Ownable.sol";
import "./interfaces/IStakingConfig.sol";
// Contract owned by the DAO with parameters modifiable only by the DAO
contract StakingConfig is IStakingConfig, Ownable
{
event MinUnstakeWeeksChanged(uint256 newMinUnstakeWeeks);
event MaxUnstakeWeeksChanged(uint256 newMaxUnstakeWeeks);
event MinUnstakePercentChanged(uint256 newMinUnstakePercent);
event ModificationCooldownChanged(uint256 newModificationCooldown);
// The minimum number of weeks for an unstake request at which point minUnstakePercent of the original staked SALT is reclaimable.
// Range: 2 to 12 with an adjustment of 1
uint256 public minUnstakeWeeks = 2; // minUnstakePercent returned for unstaking this number of weeks
// The maximum number of weeks for an unstake request at which point 100% of the original staked SALT is reclaimable.
// Range: 20 to 108 with an adjustment of 8
uint256 public maxUnstakeWeeks = 52;
// The percentage of the original staked SALT that is reclaimable when unstaking the minimum number of weeks.
// Range: 10 to 50 with an adjustment of 5
uint256 public minUnstakePercent = 20;
// Minimum time between increasing and decreasing user share in SharedRewards contracts.
// Prevents reward hunting where users could frontrun reward distributions and then immediately withdraw.
// Range: 15 minutes to 6 hours with an adjustment of 15 minutes
uint256 public modificationCooldown = 1 hours;
function changeMinUnstakeWeeks(bool increase) external onlyOwner
{
if (increase)
{
if (minUnstakeWeeks < 12)
minUnstakeWeeks += 1;
}
else
{
if (minUnstakeWeeks > 2)
minUnstakeWeeks -= 2;
}
emit MinUnstakeWeeksChanged(minUnstakeWeeks);
}
function changeMaxUnstakeWeeks(bool increase) external onlyOwner
{
if (increase)
{
if (maxUnstakeWeeks < 108)
maxUnstakeWeeks += 8;
}
else
{
if (maxUnstakeWeeks > 20)
maxUnstakeWeeks -= 8;
}
emit MaxUnstakeWeeksChanged(maxUnstakeWeeks);
}
function changeMinUnstakePercent(bool increase) external onlyOwner
{
if (increase)
{
if (minUnstakePercent < 50)
minUnstakePercent += 5;
}
else
{
if (minUnstakePercent > 10)
minUnstakePercent -= 5;
}
emit MinUnstakePercentChanged(minUnstakePercent);
}
function changeModificationCooldown(bool increase) external onlyOwner
{
if (increase)
{
if (modificationCooldown < 6 hours)
modificationCooldown += 15 minutes;
}
else
{
if (modificationCooldown > 15 minutes)
modificationCooldown -= 15 minutes;
}
emit ModificationCooldownChanged(modificationCooldown);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
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() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(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");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: BUSL 1.1
pragma solidity =0.8.22;
interface IStakingConfig
{
function changeMinUnstakeWeeks(bool increase) external; // onlyOwner
function changeMaxUnstakeWeeks(bool increase) external; // onlyOwner
function changeMinUnstakePercent(bool increase) external; // onlyOwner
function changeModificationCooldown(bool increase) external; // onlyOwner
// Views
function minUnstakeWeeks() external view returns (uint256);
function maxUnstakeWeeks() external view returns (uint256);
function minUnstakePercent() external view returns (uint256);
function modificationCooldown() external view returns (uint256);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
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 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) {
return msg.data;
}
}