contract IERC20 rewardsToken

contract IERC20 stakingToken

uint256 rewardsDuration

uint256 periodFinish

uint256 rewardRate

uint256 lastUpdateTime

uint256 rewardPerTokenStored

mapping(address => uint256) userRewardPerTokenPaid

mapping(address => uint256) rewards

constructor(address _owner, contract IERC20 _rewardsToken, contract IERC20 _stakingToken, uint256 _rewardsDuration) public

function totalSupply() external view returns (uint256)

function balanceOf(address account) external view returns (uint256)

function lastTimeRewardApplicable() public view returns (uint256)

function rewardPerToken() public view returns (uint256)

function earned(address account) public view returns (uint256)

function getRewardForDuration() external view returns (uint256)

function stakeWithPermit(uint256 amount, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external

function stake(uint256 amount) external

function withdraw(uint256 amount) public

function getReward() public

function exit() external

function notifyRewardAmount(uint256 reward) external

modifier updateReward(address account)

event RewardAdded(uint256 reward)

event Staked(address user, uint256 amount)

event Withdrawn(address user, uint256 amount)

event RewardPaid(address user, uint256 reward)