// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

interface IRewardLoaderLock {
    event TransferRewardToUsaLockStake(
        uint256 amount_usa_1,
        uint256 amount_weth_2,
        uint256 amount_stable_3
    );

    event RewardsWithdrawnToOwner(
        uint256 amount_usa_1,
        uint256 amount_weth_2,
        uint256 amount_stable_3
    );

    event TokenWithdrawnManualAllToOwner(address token, uint256 amount);

    event DistributorAdded(address distributor, bool setting);
}

// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

interface IStandardRewardInterface {
    function distributeRewardsForLatestPeriod(
        uint256 _amountReward_USA_1,
        uint256 _amountReward_WETH_2,
        uint256 _amountReward_Stable_3
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @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 {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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: MIT
pragma solidity >=0.8.0 <0.9.0;

// contracts
import "@openzeppelin/contracts/access/Ownable.sol";
// interfaces
import "./interfaces/IRewardLoaderLock.sol";
import "./interfaces/IStandardRewardInterface.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

/**
@title RewardLoaderLock
@notice Contract for distributing rewards to the lock pool with USA tokens and DEDPRZ NFTS. Passive and gas efficient rewards farming.
@author github @bullishpaisa
 */
contract RewardLoaderLock is IRewardLoaderLock, Ownable {
    string public constant LABEL_CONTRACT = "RewardLoaderLock NFT";

    IERC20 public immutable rewardToken_USA_1;

    IERC20 public immutable rewardToken_WETH_2;

    IERC20 public immutable rewardToken_Stable_3;

    // reward contracts
    IStandardRewardInterface public immutable rewardContract;

    mapping(address => bool) public onlyDistributor;

    // Modifiers

    modifier onlyDistributorAllowed() {
        require(
            onlyDistributor[msg.sender],
            "RewardLoaderLock: caller not allowed"
        );
        _;
    }

    constructor(
        address _rewardToken_USA_1,
        address _rewardToken_WETH_2,
        address _rewardToken_Stable_3,
        address _owner,
        address _erc20LockUSA
    ) Ownable(_owner) {
        rewardToken_USA_1 = IERC20(_rewardToken_USA_1);
        rewardToken_WETH_2 = IERC20(_rewardToken_WETH_2);
        rewardToken_Stable_3 = IERC20(_rewardToken_Stable_3);
        onlyDistributor[_owner] = true;
        rewardContract = IStandardRewardInterface(_erc20LockUSA);
    }

    function transferRewardToUsaLockStake() external onlyDistributorAllowed {
        // check that the contract has been set
        require(
            address(rewardContract) != address(0),
            "RewardLoaderLock: rewardContract not set"
        );

        // transfer the complete balance of the reward tokens to the reward contract
        uint256 amount_usa_1 = rewardToken_USA_1.balanceOf(address(this));
        uint256 amount_weth_2 = rewardToken_WETH_2.balanceOf(address(this));
        uint256 amount_stable_3 = rewardToken_Stable_3.balanceOf(address(this));

        if (amount_usa_1 == 0 && amount_weth_2 == 0 && amount_stable_3 == 0) {
            return;
        }

        // if the amount is not 0, approve the reward contract to spend the amount for usa
        if (amount_usa_1 > 0) {
            rewardToken_USA_1.approve(address(rewardContract), amount_usa_1);
        }

        if (amount_weth_2 > 0) {
            rewardToken_WETH_2.approve(address(rewardContract), amount_weth_2);
        }

        if (amount_stable_3 > 0) {
            rewardToken_Stable_3.approve(
                address(rewardContract),
                amount_stable_3
            );
        }

        rewardContract.distributeRewardsForLatestPeriod(
            amount_usa_1,
            amount_weth_2,
            amount_stable_3
        );

        emit TransferRewardToUsaLockStake(
            amount_usa_1,
            amount_weth_2,
            amount_stable_3
        );
    }

    function finalizePeriodNoRewards() external onlyDistributorAllowed {
        // check that the contract has been set
        require(
            address(rewardContract) != address(0),
            "RewardLoaderLock: rewardContract not set"
        );

        rewardContract.distributeRewardsForLatestPeriod(0, 0, 0);

        emit TransferRewardToUsaLockStake(0, 0, 0);
    }

    // withdaw all rewards from the contract
    function withdrawAllRewards() external onlyDistributorAllowed {
        // transfer the amount to the owner

        uint256 amount_usa_1_ = rewardToken_USA_1.balanceOf(address(this));

        rewardToken_USA_1.transfer(owner(), amount_usa_1_);

        uint256 amount_weth_2_ = rewardToken_WETH_2.balanceOf(address(this));

        rewardToken_WETH_2.transfer(owner(), amount_weth_2_);

        uint256 amount_stable_3_ = rewardToken_Stable_3.balanceOf(
            address(this)
        );

        rewardToken_Stable_3.transfer(owner(), amount_stable_3_);

        emit RewardsWithdrawnToOwner(
            amount_usa_1_,
            amount_weth_2_,
            amount_stable_3_
        );
    }

    // function that withdraws any token from the contract (all of them)
    function withdrawToken(address token) external onlyOwner {
        IERC20 _token = IERC20(token);
        _token.transfer(owner(), _token.balanceOf(address(this)));

        emit TokenWithdrawnManualAllToOwner(
            token,
            _token.balanceOf(address(this))
        );
    }

    // Configuration functions

    function addDistributor(
        address _distributor,
        bool _setting
    ) external onlyOwner {
        onlyDistributor[_distributor] = _setting;
        emit DistributorAdded(_distributor, _setting);
    }
}

{
  "compilationTarget": {
    "src/RewardLoaderLock.sol": "RewardLoaderLock"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [
    ":@chainlink/=lib/ERC1155Delta/node_modules/@chainlink/",
    ":@delta/=lib/ERC1155Delta/contracts/",
    ":@ensdomains/=lib/ERC1155Delta/node_modules/@ensdomains/",
    ":@eth-optimism/=lib/ERC1155Delta/node_modules/@eth-optimism/contracts/",
    ":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    ":ERC1155Delta/=lib/ERC1155Delta/contracts/",
    ":closedsea/=lib/ERC1155Delta/node_modules/closedsea/src/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    ":erc721a/=lib/ERC1155Delta/node_modules/erc721a/contracts/",
    ":erc721psi/=lib/ERC1155Delta/node_modules/erc721psi/contracts/",
    ":eth-gas-reporter/=lib/ERC1155Delta/node_modules/eth-gas-reporter/",
    ":forge-std/=lib/forge-std/src/",
    ":hardhat/=lib/ERC1155Delta/node_modules/hardhat/",
    ":openzeppelin-contracts/=lib/openzeppelin-contracts/",
    ":solady/=lib/solady/",
    ":solidity-bits/=lib/ERC1155Delta/node_modules/solidity-bits/contracts/"
  ]
}