{
    "Function": "slitherConstructorConstantVariables",
    "File": "contracts/contracts/Bribe.sol",
    "Parent Contracts": [
        "contracts/contracts/interfaces/IBribe.sol"
    ],
    "High-Level Calls": [],
    "Internal Calls": [],
    "Library Calls": [],
    "Low-Level Calls": [],
    "Code": "contract Bribe is IBribe {\n  uint internal constant DURATION = 5 days; // rewards are released over the voting period\n  uint internal constant BRIBE_LAG = 1 days;\n  uint internal constant COOLDOWN = 12 hours;\n  uint internal constant MAX_REWARD_TOKENS = 16;\n\n  address public gauge;\n  mapping(address => mapping(uint => uint)) public tokenRewardsPerEpoch;\n  address[] public rewards;\n  mapping(address => bool) public isReward;\n\n  event NotifyReward(address indexed from, address indexed reward, uint epoch, uint amount);\n\n  // simple re-entrancy check\n  uint internal _unlocked = 1;\n  modifier lock() {\n      require(_unlocked == 1);\n      _unlocked = 2;\n      _;\n      _unlocked = 1;\n  }\n\n  function setGauge(address _gauge) external {\n    require(gauge == address(0), \"gauge already set\");\n    gauge = _gauge;\n  }\n\n  function getEpochStart(uint timestamp) public view returns (uint) {\n    uint bribeStart = timestamp - (timestamp % (7 days)) + BRIBE_LAG;\n    uint bribeEnd = bribeStart + DURATION - COOLDOWN;\n    return timestamp < bribeEnd ? bribeStart : bribeStart + 7 days;\n  }\n\n  function notifyRewardAmount(address token, uint amount) external lock {\n      require(amount > 0);\n      if (!isReward[token]) {\n        require(rewards.length < MAX_REWARD_TOKENS, \"too many rewards tokens\");\n      }\n      // bribes kick in at the start of next bribe period\n      uint adjustedTstamp = getEpochStart(block.timestamp);\n      uint epochRewards = tokenRewardsPerEpoch[token][adjustedTstamp];\n\n      _safeTransferFrom(token, msg.sender, address(this), amount);\n      tokenRewardsPerEpoch[token][adjustedTstamp] = epochRewards + amount;\n\n      if (!isReward[token]) {\n          isReward[token] = true;\n          rewards.push(token);\n          IGauge(gauge).addBribeRewardToken(token);\n      }\n\n      emit NotifyReward(msg.sender, token, adjustedTstamp, amount);\n  }\n\n  function rewardsListLength() external view returns (uint) {\n      return rewards.length;\n  }\n\n  function addRewardToken(address token) external {\n    require(msg.sender == gauge);\n    if (!isReward[token]) {\n      require(rewards.length < MAX_REWARD_TOKENS, \"too many rewards tokens\");\n      isReward[token] = true;\n      rewards.push(token);\n    }\n  }\n\n  function swapOutRewardToken(uint i, address oldToken, address newToken) external {\n    require(msg.sender == gauge);\n    require(rewards[i] == oldToken);\n    isReward[oldToken] = false;\n    isReward[newToken] = true;\n    rewards[i] = newToken;\n  }\n\n  function deliverReward(address token, uint epochStart) external lock returns (uint) {\n    require(msg.sender == gauge);\n    uint rewardPerEpoch = tokenRewardsPerEpoch[token][epochStart];\n    if (rewardPerEpoch > 0) {\n      _safeTransfer(token, address(gauge), rewardPerEpoch);\n    }\n    return rewardPerEpoch;\n  }\n\n  function _safeTransfer(address token, address to, uint256 value) internal {\n      require(token.code.length > 0);\n      (bool success, bytes memory data) =\n      token.call(abi.encodeWithSelector(IERC20.transfer.selector, to, value));\n      require(success && (data.length == 0 || abi.decode(data, (bool))));\n  }\n\n  function _safeTransferFrom(address token, address from, address to, uint256 value) internal {\n      require(token.code.length > 0);\n      (bool success, bytes memory data) =\n      token.call(abi.encodeWithSelector(IERC20.transferFrom.selector, from, to, value));\n      require(success && (data.length == 0 || abi.decode(data, (bool))));\n  }\n}"
}