Contract Diff Checker

Contract Source Code:

//SPDX-License-Identifier: Unlicense

pragma solidity 0.8.4;

contract AvaxVaultV1 {
    using SafeMath for uint256;
    using SafeMath for uint8;

    uint256 public constant INVEST_MIN_AMOUNT = 5 ether;
    uint256[] public REFERRAL_PERCENTS = [50, 30, 20];
    uint256 public constant PROJECT_FEE = 50; //5%
    uint256 public constant DEVELOPER_FEE = 50; //5%
    uint256 public constant PERCENTS_DIVIDER = 1000;
    uint256 public constant TIME_STEP = 1 days;

    uint256 public constant MAX_HOLD_PERCENT = 15;

    uint256 WITHDRAW_FEE = 100; //10%

    uint256 public totalStaked;
    uint256 public totalRefBonus;
    uint256 public totalUsers;

    struct Plan {
        uint256 time;
        uint256 percent;
    }

    Plan[] internal plans;

    struct Deposit {
        uint8 plan;
        uint256 percent;
        uint256 amount;
        uint256 profit;
        uint256 start;
        uint256 finish;
    }

    struct User {
        Deposit[] deposits;
        uint256 checkpoint;
        uint256 holdBonusCheckpoint;
        address payable referrer;
        uint256 referrals;
        uint256 totalBonus;
        uint256 withdrawn;
    }

    mapping(address => User) internal users;

    uint256 public startUNIX;
    address payable private projectWallet;
    address payable private developerWallet;

    event Newbie(address user);
    event NewDeposit(
        address indexed user,
        uint8 plan,
        uint256 percent,
        uint256 amount,
        uint256 profit,
        uint256 start,
        uint256 finish
    );
    event Withdrawn(address indexed user, uint256 amount);
    event RefBonus(
        address indexed referrer,
        address indexed referral,
        uint256 indexed level,
        uint256 amount
    );

    constructor(
        address payable _projectWallet,
        address payable _developerWallet
    ) {
        require(!isContract(_projectWallet));
        projectWallet = _projectWallet;
        developerWallet = _developerWallet;
        startUNIX = block.timestamp.add(365 days);

        plans.push(Plan(14, 80)); // 8% per day for 14 days (at the end, compounding)
        plans.push(Plan(28, 70)); // 7% per day for 28 days (at the end, compounding)
    }

    function launch() public {
        require(msg.sender == developerWallet);
        startUNIX = block.timestamp;
    }

    function invest(address payable referrer, uint8 plan) public payable {
        _invest(referrer, plan, payable(msg.sender), msg.value);
    }

    function _invest(
        address payable referrer,
        uint8 plan,
        address payable sender,
        uint256 value
    ) private {
        require(value >= INVEST_MIN_AMOUNT);
        require(plan < 6, "Invalid plan");
        require(startUNIX < block.timestamp, "contract hasn`t started yet");

        uint256 fee = value.mul(PROJECT_FEE).div(PERCENTS_DIVIDER);
        projectWallet.transfer(fee);
        uint256 developerFee = value.mul(DEVELOPER_FEE).div(PERCENTS_DIVIDER);
        developerWallet.transfer(developerFee);

        User storage user = users[sender];

        if (user.referrer == address(0)) {
            if (users[referrer].deposits.length > 0 && referrer != sender) {
                user.referrer = referrer;
            }

            address upline = user.referrer;
            for (uint256 i = 0; i < 3; i++) {
                if (upline != address(0)) {
                    users[upline].referrals = users[upline].referrals.add(1);
                    upline = users[upline].referrer;
                } else break;
            }
        }

        if (user.referrer != address(0)) {
            uint256 _refBonus = 0;
            address payable upline = user.referrer;
            for (uint256 i = 0; i < 3; i++) {
                if (upline != address(0)) {
                    uint256 amount = value.mul(REFERRAL_PERCENTS[i]).div(
                        PERCENTS_DIVIDER
                    );

                    users[upline].totalBonus = users[upline].totalBonus.add(
                        amount
                    );
                    upline.transfer(amount);
                    _refBonus = _refBonus.add(amount);

                    emit RefBonus(upline, sender, i, amount);
                    upline = users[upline].referrer;
                } else break;
            }

            totalRefBonus = totalRefBonus.add(_refBonus);
        }

        if (user.deposits.length == 0) {
            user.checkpoint = block.timestamp;
            user.holdBonusCheckpoint = block.timestamp;
            emit Newbie(sender);
        }

        (uint256 percent, uint256 profit, uint256 finish) = getResult(
            plan,
            value
        );

        user.deposits.push(
            Deposit(plan, percent, value, profit, block.timestamp, finish)
        );

        totalStaked = totalStaked.add(value);
        totalUsers = totalUsers.add(1);

        emit NewDeposit(
            sender,
            plan,
            percent,
            value,
            profit,
            block.timestamp,
            finish
        );
    }

    function withdraw() public {
        User storage user = users[msg.sender];

        uint256 totalAmount = getUserDividends(msg.sender);

        require(totalAmount > 0, "User has no dividends");

        uint256 contractBalance = address(this).balance;
        if (contractBalance < totalAmount) {
            totalAmount = contractBalance;
        }

        user.checkpoint = block.timestamp;
        user.holdBonusCheckpoint = block.timestamp;

        user.withdrawn = user.withdrawn.add(totalAmount);
        payable(msg.sender).transfer(totalAmount);

        emit Withdrawn(msg.sender, totalAmount);
    }

    function getContractBalance() public view returns (uint256) {
        return address(this).balance;
    }

    function getPlanInfo(uint8 plan)
        public
        view
        returns (uint256 time, uint256 percent)
    {
        time = plans[plan].time;
        percent = plans[plan].percent;
    }

    function getPercent(uint8 plan) public view returns (uint256) {
        return plans[plan].percent;
    }

    function getResult(uint8 plan, uint256 deposit)
        public
        view
        returns (
            uint256 percent,
            uint256 profit,
            uint256 finish
        )
    {
        percent = getPercent(plan);

        for (uint256 i = 0; i < plans[plan].time; i++) {
            profit = profit.add(
                (deposit.add(profit)).mul(percent).div(PERCENTS_DIVIDER)
            );
        }

        finish = block.timestamp.add(plans[plan].time.mul(TIME_STEP));
    }

    function getUserPercentRate(address userAddress)
        public
        view
        returns (uint256)
    {
        User storage user = users[userAddress];

        uint256 timeMultiplier = block
            .timestamp
            .sub(user.holdBonusCheckpoint)
            .div(TIME_STEP); // +0.1% per day
        if (timeMultiplier > MAX_HOLD_PERCENT) {
            timeMultiplier = MAX_HOLD_PERCENT;
        }

        return timeMultiplier;
    }

    function getUserDividends(address userAddress)
        public
        view
        returns (uint256)
    {
        User storage user = users[userAddress];

        uint256 totalAmount;

        for (uint256 i = 0; i < user.deposits.length; i++) {
            if (user.checkpoint < user.deposits[i].finish) {
                if (block.timestamp > user.deposits[i].finish) {
                    uint256 _profit = user.deposits[i].profit;
                    uint256 _profitWithFee = _profit.sub(
                        _profit.mul(WITHDRAW_FEE).div(PERCENTS_DIVIDER)
                    );
                    totalAmount = totalAmount.add(_profitWithFee);
                }
            }
        }

        return totalAmount;
    }

    function getUserAvailable(address userAddress)
        public
        view
        returns (uint256)
    {
        User storage user = users[userAddress];

        uint256 totalAmount;

        for (uint256 i = 0; i < user.deposits.length; i++) {
            if (block.timestamp > user.deposits[i].finish) {
                totalAmount = totalAmount.add(user.deposits[i].profit);
            }
        }

        return totalAmount;
    }

    function getContractInfo()
        public
        view
        returns (
            uint256,
            uint256,
            uint256
        )
    {
        return (totalStaked, totalRefBonus, totalUsers);
    }

    function getUserWithdrawn(address userAddress)
        public
        view
        returns (uint256)
    {
        return users[userAddress].withdrawn;
    }

    function getUserCheckpoint(address userAddress)
        public
        view
        returns (uint256)
    {
        return users[userAddress].checkpoint;
    }

    function getUserReferrer(address userAddress)
        public
        view
        returns (address)
    {
        return users[userAddress].referrer;
    }

    function getUserDownlineCount(address userAddress)
        public
        view
        returns (uint256)
    {
        return (users[userAddress].referrals);
    }

    function getUserReferralTotalBonus(address userAddress)
        public
        view
        returns (uint256)
    {
        return users[userAddress].totalBonus;
    }

    function getUserDepositCount(address userAddress)
        public
        view
        returns (uint256)
    {
        return users[userAddress].deposits.length;
    }

    function getUserTotalDeposits(address userAddress)
        public
        view
        returns (uint256 amount)
    {
        for (uint256 i = 0; i < users[userAddress].deposits.length; i++) {
            amount = amount.add(users[userAddress].deposits[i].amount);
        }
    }

    function getUserTotalWithdrawn(address userAddress)
        public
        view
        returns (uint256 amount)
    {}

    function getUserDepositInfo(address userAddress, uint256 index)
        public
        view
        returns (
            uint8 plan,
            uint256 percent,
            uint256 amount,
            uint256 profit,
            uint256 start,
            uint256 finish
        )
    {
        User storage user = users[userAddress];

        plan = user.deposits[index].plan;
        percent = user.deposits[index].percent;
        amount = user.deposits[index].amount;
        profit = user.deposits[index].profit;
        start = user.deposits[index].start;
        finish = user.deposits[index].finish;
    }

    function isContract(address addr) internal view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(addr)
        }
        return size > 0;
    }
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        uint256 c = a - b;

        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        uint256 c = a / b;

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0);
        return a % b;
    }
}