Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.19;

import {IERC20} from "@openzeppelin/interfaces/IERC20.sol";

error NotStaked();
error NoStakers();
error CannotStakeZeroTokens();

contract Staking {
    event UserStaked(address indexed who, uint256 amount);
    event UserUnstaked(address indexed who, uint256 amount);

    event RewardsPayout(address indexed to, uint256 amount);
    event CapturedRewards(address indexed from, uint256 amount);

    event RewardsToTreasury(uint256 amount);

    struct StakingRecord {
        uint256 stakedAmount;
        uint256 rewardsPerStakedTokenSnapshot; // Scaled by a WAD
    }

    uint256 private constant WAD = 1e18;

    /// @notice Address of the treasury where 50% of the profits
    /// will be sent.
    address public immutable treasury;

    IERC20 public immutable weth;
    IERC20 public immutable prtc;

    /// @notice Amount of `WETH` rewards per staked token.
    /// @dev Scaled by a WAD.
    uint256 public rewardsPerStakedToken;
    /// @notice Total amount of `prtc` staked.
    uint256 public totalStaked;

    mapping(address => StakingRecord) public stakingRecords;

    constructor(IERC20 _prtc, IERC20 _weth, address _treasury) {
        prtc = _prtc;
        weth = _weth;
        treasury = _treasury;
    }

    /// @notice Method to claim `WETH` rewards accumulated in the
    /// contract.
    function claimRewards() public {
        StakingRecord storage userRecord = stakingRecords[msg.sender];

        if (userRecord.stakedAmount == 0) revert NotStaked();

        uint256 userReward = userRecord.stakedAmount
            * (rewardsPerStakedToken - userRecord.rewardsPerStakedTokenSnapshot) / WAD;

        userRecord.rewardsPerStakedTokenSnapshot = rewardsPerStakedToken;

        if (userReward != 0) {
            weth.transfer(msg.sender, userReward);
            emit RewardsPayout(msg.sender, userReward);
        }
    }

    /// @notice Retrieve any users' `WETH` rewards.
    function previewRewards(address user) public view returns (uint256) {
        StakingRecord storage userRecord = stakingRecords[user];

        uint256 totalStake = userRecord.stakedAmount;

        if (totalStake == 0) return 0;

        uint256 userReward =
            totalStake * (rewardsPerStakedToken - userRecord.rewardsPerStakedTokenSnapshot) / WAD;

        return userReward;
    }

    /// @notice Retrieve users' staked amount.
    function balanceOf(address user) public view returns (uint256) {
        return stakingRecords[user].stakedAmount;
    }

    /// @notice Staking method that accepts `prtc`. Profits from the
    /// vault will be distributed to this contract and staking users
    /// will be rewarded with `WETH`.
    /// @param amount Amount of `prtc` to be staked.
    function stake(uint256 amount) external {
        if (amount == 0) revert CannotStakeZeroTokens();

        StakingRecord storage userPosition = stakingRecords[msg.sender];

        if (userPosition.stakedAmount != 0) claimRewards();

        prtc.transferFrom(msg.sender, address(this), amount);

        totalStaked += amount;

        userPosition.stakedAmount += amount;
        userPosition.rewardsPerStakedTokenSnapshot = rewardsPerStakedToken;

        emit UserStaked(msg.sender, amount);
    }

    /// @notice Method to unstake all `prtc`.
    function unstake() external {
        unstake(type(uint256).max);
    }

    /// @notice Method to unstake `prtc`. It will calculate the portion
    /// of `WETH` rewards for the user and send them.
    function unstake(uint256 _amount) public {
        if (_amount == 0) _amount = type(uint256).max;

        StakingRecord storage userRecord = stakingRecords[msg.sender];

        uint256 userStakedAmount = userRecord.stakedAmount;

        if (userStakedAmount == 0) revert NotStaked();

        uint256 userReward = previewRewards(msg.sender);

        if (_amount >= userStakedAmount) {
            totalStaked -= userStakedAmount;
            delete stakingRecords[msg.sender];

            prtc.transfer(msg.sender, userStakedAmount);
            emit UserUnstaked(msg.sender, userStakedAmount);
        } else {
            totalStaked -= _amount;
            userRecord.stakedAmount -= _amount;
            userRecord.rewardsPerStakedTokenSnapshot = rewardsPerStakedToken;

            prtc.transfer(msg.sender, _amount);
            emit UserUnstaked(msg.sender, _amount);
        }

        if (userReward != 0) {
            weth.transfer(msg.sender, userReward);
            emit RewardsPayout(msg.sender, userReward);
        }
    }

    /// @notice Method to distribute `WETH` rewards.
    /// @dev Anyone that wants to distribute `WETH` can call this.
    /// @param amount The amount of `WETH` to be distributed to the contract.
    function distribute(uint256 amount) external {
        if (totalStaked == 0) revert NoStakers();

        uint256 amountForTreasury = amount / 2;
        uint256 amountForStakers = amount - amountForTreasury;

        weth.transferFrom(msg.sender, treasury, amountForTreasury);
        weth.transferFrom(msg.sender, address(this), amountForStakers);

        // Distribute the other 50% to the stakers.
        rewardsPerStakedToken += amountForStakers * WAD / totalStaked;

        emit RewardsToTreasury(amountForTreasury);
        emit CapturedRewards(msg.sender, amountForStakers);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
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 amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

    /**
     * @dev Moves `amount` 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 amount) 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 `amount` 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 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` 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 amount) external returns (bool);
}

{
  "remappings": [
    "@openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_prtc","type":"address"},{"internalType":"contract IERC20","name":"_weth","type":"address"},{"internalType":"address","name":"_treasury","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CannotStakeZeroTokens","type":"error"},{"inputs":[],"name":"NoStakers","type":"error"},{"inputs":[],"name":"NotStaked","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"CapturedRewards","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardsPayout","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RewardsToTreasury","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"who","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"UserStaked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"who","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"UserUnstaked","type":"event"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"distribute","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"previewRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"prtc","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsPerStakedToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stakingRecords","outputs":[{"internalType":"uint256","name":"stakedAmount","type":"uint256"},{"internalType":"uint256","name":"rewardsPerStakedTokenSnapshot","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"treasury","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"weth","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000b9098d3669a78e9afe8b94a97290407400d9da31000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc20000000000000000000000002a1aa732fe04494be2a24e90b120ba1864da3b17

-----Decoded View---------------
Arg [0] : _prtc (address): 0xb9098D3669A78e9AfE8b94a97290407400D9dA31
Arg [1] : _weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Arg [2] : _treasury (address): 0x2A1Aa732Fe04494bE2A24E90b120Ba1864Da3b17

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000b9098d3669a78e9afe8b94a97290407400d9da31
Arg [1] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [2] : 0000000000000000000000002a1aa732fe04494be2a24e90b120ba1864da3b17