# VotingReward ## Overview The `VotingReward` contract used by `FeesVotingReward` and `BribeVotingReward` allows to distribute rewards to users, earned through voting for a pool. ## VotingReward Methods ### getReward Claim the rewards earned by a voter for a given token. ```solidity function getReward( address _user, address _token ) external ```
Input ParameterTypeDescription
_useraddressThe address of the user voting.
_tokenaddressThe token to claim rewards of.
### getReward Claim the rewards earned by a voter for a given token. ```solidity function getReward( address _user, address[] calldata _tokens ) external ```
Input ParameterTypeDescription
_useraddressThe address of the user voting.
_tokensaddress[] calldataThe array of tokens to claim rewards of.
### \_deposit Deposit an amount into the rewards contract to earn future rewards. {% hint style="warning" %} Internal notation used as only callable internally by `Voter`. {% endhint %} ```solidity function _deposit( uint256 _amount, address _user ) external ```
Input ParameterTypeDescription
_amountuint256The amount deposited for the user.
_useraddressThe address of the user.
### \_withdraw Withdraw an amount from the rewards contract associated to a voter. {% hint style="warning" %} Internal notation used as only callable internally by `Voter`. {% endhint %} ```solidity function _withdraw( uint256 _amount, address _user ) external ```
Input ParameterTypeDescription
_amountuint256The amount withdrawn for the user.
_useraddressThe address of the user.
## View Methods ### dao Return the address of DAO. ```solidity function dao() external view returns (address) ``` ### DURATION Return the epoch duration constant (7 days). ```solidity function DURATION() external view returns (uint256) ``` ### voter Return the address of `Voter.sol`. 
function voter() external view returns (address)
### poolId Return the identifier of the pool this contrat is associated with. ```solidity function poolId() external view returns (uint160) ``` ### totalSupply Return the total amount currently deposited via \_deposit(). ```solidity function totalSupply() external view returns (uint256) ``` ### balanceOf Return the current amount deposited by given user. ```solidity function balanceOf(address _user) external view returns (uint256) ``` ### tokenRewardsPerEpoch Return the amount of tokens to reward depositors for a given epoch. ```solidity function tokenRewardsPerEpoch( address _token, uint256 _epochStart ) external view returns (uint256) ``` ### lastEarn Return the most recent timestamp a user has claimed their rewards for given tokens. ```solidity function lastEarn( address _token, address _user ) external view returns (uint256) ``` ### rewards Return the token address stored at the given index in the list of rewards token. ```solidity function rewards(uint256 _index) external view returns (address) ``` ### rewardsListLength Return the number of rewards tokens. ```solidity function rewardsListLength() external view returns (uint256) ``` ### getAllRewards Return the list of rewards tokens. ```solidity function getAllRewards() external view returns (address[]) ``` ### isReward Return wether a token is or has been an active reward token. ```solidity function isReward(address _token) external view returns (bool) ``` ### daoFee Return the share of rewards to be sent to the DAO, in basis points. ```solidity function daoFee() external view returns (uint256) ``` ### numCheckpoints Return the number of checkpoints for each user address. ```solidity function numCheckpoints(address _user) external view returns (uint256) ``` ### supplyNumCheckpoints Return the total number of checkpoints. ```solidity function supplyNumCheckpoints() external view returns (uint256) ``` ### getPriorBalanceIndex Return the prior balance for an account as of a block number. ```solidity function getPriorBalanceIndex( address _user, uint256 _timestamp ) external view returns (uint256); ```
Input ParameterTypeDescription
_useraddressThe address of the user.
_timestampuint256The timestamp to get the balance at.
{% hint style="warning" %} Block number must be a finalized block or else this function will revert to prevent misinformation. {% endhint %} ### getPriorSupplyIndex Return the prior index of supply staked by a given timestamp. ```solidity function getPriorSupplyIndex(uint256 _timestamp) external view returns (uint256) ```
Input ParameterTypeDescription
_timestampuint256The timestamp to get the index at.
{% hint style="warning" %} Timestamp must be <= current timestamp {% endhint %} ### earned Return how much in rewards are earned for a specific token and voter. 
function earned(
    address _token,
    address _user
) external view returns (uint256)
Input ParameterTypeDescription
_tokenaddressThe token to fetch rewards of.
_useraddressThe address of the user to check.
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