MAGA BET

// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;

 // Website:       https://www.maga-bet.com
 // Documentation: https://magabet.gitbook.io
 // Telegram:      https://t.me/MAGABET_PORTAL
 // Twitter:       https://x.com/MAGA_BET

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        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) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }

}

contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

}

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}

contract MAGABET is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;
    address payable private _RewardsPoolAddress;
    address payable private _developmentAddress;
    address payable private _marketingAddress;

    uint256 firstBlock;

    uint256 private _initialBuyTax=20;
    uint256 private _initialSellTax=20;
    uint256 private _finalBuyTax=3;
    uint256 private _finalSellTax=3;
    uint256 private _reduceBuyTaxAt=25;
    uint256 private _reduceSellTaxAt=25;
    uint256 private _preventSwapBefore=30;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 10;
    uint256 private constant _tTotal = 48_000_000 * 10**_decimals;
    string private constant _name = unicode"MAGA BET";
    string private constant _symbol = unicode"MAGABET";
    uint256 public _maxTxAmount =   480000 * 10**_decimals;
    uint256 public _maxWalletSize = 480000 * 10**_decimals;
    uint256 public _taxSwapThreshold= 0 * 10**_decimals;
    uint256 public _maxTaxSwap= 240000 * 10**_decimals;

    enum BetStatus { Pending, Settled, Canceled }

    struct Bet {
    uint256 itemId;
    uint256 amount;
    uint256 odds;
    BetStatus status;
    uint256 winnings;
    uint256 timestamp;
    }      

    struct ScorecardItem {
        string description;
        uint256 totalBets;
        uint256 totalAmount;
        bool settled;
    }

    // Mapping to store user bets
    mapping(address => Bet[]) private _userBets;

    // Mapping to store scorecard items
    mapping(uint256 => ScorecardItem) private _scorecardItems;

    // Mapping to store the total bets and amounts for each scorecard item
    mapping(uint256 => uint256[2]) private _scorecardTotals;

    // Event emittors
    event BetPlaced(address indexed user, uint256 indexed itemId, uint256 amount, uint256 odds, uint256 timestamp);
    event BetSettled(address indexed user, uint256 indexed itemId, uint256 winnings, uint256 timestamp);
    event BetCanceled(address indexed user, uint256 indexed itemId, uint256 amount, uint256 timestamp);

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;

    event MaxTxAmountUpdated(uint _maxTxAmount);
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor () {

        _RewardsPoolAddress = payable(_msgSender());
        _developmentAddress = payable (_msgSender());
        _marketingAddress = payable (_msgSender());

        _balances[_msgSender()] = _tTotal;

        _isExcludedFromFee[owner()] = true;
        _isExcludedFromFee[address(this)] = true;

        _isExcludedFromFee[_RewardsPoolAddress] = true;
        _isExcludedFromFee[_developmentAddress] = true;
        _isExcludedFromFee[_marketingAddress] = true;

        _isExcludedFromFee[address(this)] = true;

        emit Transfer(address(0), _msgSender(), _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    // Retrieve user bets (read-only)
    function getUserBetsVRF(address user) external view returns (Bet[] memory) {
    return _userBets[user];
    }

    function getScorecardItem(uint256 itemId) external view returns (string memory description, uint256 totalBets, uint256 totalAmount, bool settled) {
    ScorecardItem memory item = _scorecardItems[itemId];
    return (item.description, item.totalBets, item.totalAmount, item.settled);
    }

    // Retrieve the total bets and amount for a scorecard item (read-only)
    function getScorecardTotals(uint256 itemId) external view returns (uint256 totalBets, uint256 totalAmount) {
    uint256[2] memory totals = _scorecardTotals[itemId];
    return (totals[0], totals[1]);
    }

    // Place bet
    function _placeBet(address user, uint256 itemId, uint256 amount, uint256 odds) internal {
    require(_scorecardItems[itemId].settled == false, "Scorecard item is already settled");
    
    _userBets[user].push(Bet(itemId, amount, odds, BetStatus.Pending, 0, block.timestamp));
    _scorecardItems[itemId].totalBets++;
    _scorecardItems[itemId].totalAmount += amount;
    _scorecardTotals[itemId][0]++;
    _scorecardTotals[itemId][1] += amount;
    
    emit BetPlaced(user, itemId, amount, odds, block.timestamp);
    }

    // Settle a bet 
    function _settleBet(address user, uint256 index, uint256 winnings) internal {
    Bet storage bet = _userBets[user][index];
    require(bet.status == BetStatus.Pending, "Bet is not in pending status");
    
    bet.status = BetStatus.Settled;
    bet.winnings = winnings;
    
    emit BetSettled(user, bet.itemId, winnings, block.timestamp);
    }

    // Cancel a bet 
    function _cancelBet(address user, uint256 index) internal {
    Bet storage bet = _userBets[user][index];
    require(bet.status == BetStatus.Pending, "Bet is not in pending status");
    
    bet.status = BetStatus.Canceled;
    _scorecardItems[bet.itemId].totalBets--;
    _scorecardItems[bet.itemId].totalAmount -= bet.amount;
    _scorecardTotals[bet.itemId][0]--;
    _scorecardTotals[bet.itemId][1] -= bet.amount;
    
    emit BetCanceled(user, bet.itemId, bet.amount, block.timestamp);
    }

    // Add a new scorecard item 
    function _addScorecardItem(uint256 itemId, string memory description) internal {
    require(_scorecardItems[itemId].totalBets == 0, "Scorecard item already exists");
    
    _scorecardItems[itemId] = ScorecardItem(description, 0, 0, false);
    }

    // Settle a scorecard item 
    function _settleScorecard(uint256 itemId) internal {
    require(_scorecardItems[itemId].settled == false, "Scorecard item is already settled");
    
    _scorecardItems[itemId].settled = true;
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");
        uint256 taxAmount=0;
        if (from != owner() && to != owner()) {
            taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);

            if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");

                if (firstBlock + 3  > block.number) {
                    require(!isContract(to));
                }
                _buyCount++;
            }

            if (to != uniswapV2Pair && ! _isExcludedFromFee[to]) {
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }

            if(to == uniswapV2Pair && from!= address(this) ){
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if (!inSwap && to   == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold && _buyCount>_preventSwapBefore) {
                swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        if(taxAmount>0){
          _balances[address(this)]=_balances[address(this)].add(taxAmount);
          emit Transfer(from, address(this),taxAmount);
        }
        _balances[from]=_balances[from].sub(amount);
        _balances[to]=_balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function getUserBets(address user) external view returns (Bet[] memory) {
        return _userBets[user];
    }

    function min(uint256 a, uint256 b) private pure returns (uint256){
      return (a>b)?b:a;
    }

    function isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }
        
    function rescueStuckETH() external onlyOwner {
        require(address(this).balance > 0, "No stuck ETH to rescue");
        
        uint256 amount = address(this).balance;
        payable(owner()).transfer(amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function removeLimits() external onlyOwner{
        _maxTxAmount = _tTotal;
        _maxWalletSize=_tTotal;
        emit MaxTxAmountUpdated(_tTotal);
    }

    function setRewardsPoolAddress(
        address RewardsPoolAddress,
        address developmentAddress,
        address marketingAddress

) external onlyOwner {

    require(RewardsPoolAddress != address(0), "Invalid Rewards pool address");
    require(developmentAddress != address(0), "Invalid development address");
    require(marketingAddress != address(0), "Invalid marketing address");

    _RewardsPoolAddress = payable(RewardsPoolAddress);
    _developmentAddress = payable(developmentAddress);
    _marketingAddress = payable(marketingAddress);

    _isExcludedFromFee[RewardsPoolAddress] = true;
    _isExcludedFromFee[developmentAddress] = true;
    _isExcludedFromFee[marketingAddress] = true;
}
    
    function sendETHToFee(uint256 amount) private {
        uint256 RewardsPoolETH = amount.mul(1).div(3);
        uint256 developmentETH = amount.mul(1).div(3);
        uint256 marketingETH = amount.mul(1).div(3);
        
        payable(_RewardsPoolAddress).transfer(RewardsPoolETH);
        payable(_developmentAddress).transfer(developmentETH);
        payable(_marketingAddress).transfer(marketingETH);
    }

    function openTrading() external onlyOwner() {
        require(!tradingOpen,"trading is already open");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
        uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
        swapEnabled = true;
        tradingOpen = true;
        firstBlock = block.number;
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "contracts/MAGABET.sol": "MAGABET"
  },
  "evmVersion": "shanghai",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}