// SPDX-License-Identifier: MIT


pragma solidity ^0.8.0;

library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
     
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}
contract Context {

    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }
    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}


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) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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);
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }


}



// ETH LIVE PRICE

interface AggregatorV3Interface {
    function decimals() external view returns (uint8);

    function description() external view returns (string memory);

    function version() external view returns (uint256);

    function getRoundData(uint80 _roundId)
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );

    function latestRoundData()
        external
        view
        returns (
            uint80 roundId,
            int256 answer,
            uint256 startedAt,
            uint256 updatedAt,
            uint80 answeredInRound
        );
}






contract CantPresale is Ownable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;
    AggregatorV3Interface public priceFeedETH;
    address public feeReceiver;



    IERC20 public USDT;
    IERC20 public USDC; 
    IERC20 public token;

    uint256 public TokenPricePerUsdt; 

    uint256 public TokenSold; 
    uint256 public bonusTokenSold;
    uint256 public maxTokeninPresale;
    uint256 public TotalReferralPaid;


    mapping (address => bool) public isBlacklist;

    address public Nulladdress=0x0000000000000000000000000000000000000000;
    uint256 public  ReferralFee=5; //5%
    bool public presaleStatus;
    bool public CanClaim;


 
    event Recovered(address token, uint256 amount);
     mapping(address => uint256) public Claimable;


    // Thresholds for bonus tokens (scaled by 1e18 for precision)
    uint256 public Bonus1 = 50_000 * 1e18;
    uint256 public Bonus2 = 125_000 * 1e18;
    uint256 public Bonus3 = 250_000 * 1e18;
    uint256 public Bonus4 = 500_000 * 1e18;
    uint256 public Bonus5 = 1_250_000 * 1e18;
    uint256 public Bonus6 = 2_500_000 * 1e18;
    uint256 public Bonus7 = 5_000_000 * 1e18;

     uint256 public RefBonus = 50_000 * 1e18;
   

    constructor(IERC20 _USDT, IERC20 _USDC,IERC20 _token,address _feeRec)  {
       TokenPricePerUsdt=50*(1E18);  //50 token per usdt
       maxTokeninPresale=2000000000*(1E18);

        priceFeedETH = AggregatorV3Interface(
            0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419 //ETH mainnet aggregator
            // 0x694AA1769357215DE4FAC081bf1f309aDC325306 //ETH tESTNET aggregator sepolia
        );


       USDT=_USDT;
       USDC=_USDC;
       token=_token;
       feeReceiver = _feeRec;
    }

     receive() external payable {
            // React to receiving ETH
        }


     // to get real time price of ETH
    function getLatestPriceETH() public view returns (uint256) {
        (, int256 price, , , ) = priceFeedETH.latestRoundData();
        return uint256(price);
    }

     function setaggregatorv3(address _priceFeedETH) external onlyOwner {
        priceFeedETH = AggregatorV3Interface(_priceFeedETH);
    }


    function BuyWithETH(address payable _refferal) external payable {
        uint256 tokensToTransfer = ETHToToken(msg.value);
        processPurchase(msg.sender, msg.value, tokensToTransfer, _refferal, address(0));
    }

    function BuyWithUSDT(uint256 _amt, address _refferal) external {
        IERC20(USDT).safeTransferFrom(msg.sender, address(this), _amt);
        uint256 tokensToTransfer = getValuePerUsdt(_amt);
        processPurchase(msg.sender, _amt, tokensToTransfer, _refferal, address(USDT));
    }

    function BuyWithUSDC(uint256 _amt, address _refferal) external {
        IERC20(USDC).safeTransferFrom(msg.sender, address(this), _amt);
        uint256 tokensToTransfer = getValuePerUsdt(_amt);
        processPurchase(msg.sender, _amt, tokensToTransfer, _refferal, address(USDC));
    }

    function processPurchase(address buyer, uint256 amt, uint256 tokensToTransfer, address _refferal, address tokenAddress) internal {
        require(TokenSold.add(tokensToTransfer) <= maxTokeninPresale, "Hardcap Reached!");
        require(presaleStatus == true, "Presale : Presale is not started");  
        require(amt > 0, "Presale : Unsuitable Amount"); 
        require(isBlacklist[buyer] == false, "Presale : you are blacklisted");
        require(tx.origin == buyer, "Presale : caller is a contract");
        require(tokensToTransfer > 0, "Presale : Token amount is zero");

        // Calculate bonus tokens
        uint256 bonusTokens = 0;
        if (tokensToTransfer >= Bonus7) {
            bonusTokens = tokensToTransfer * 100 / 100;
        } else if (tokensToTransfer >= Bonus6) {
            bonusTokens = tokensToTransfer * 60 / 100;
        } else if (tokensToTransfer >= Bonus5) {
            bonusTokens = tokensToTransfer * 40 / 100;
        } else if (tokensToTransfer >= Bonus4) {
            bonusTokens = tokensToTransfer * 20 / 100;
        } else if (tokensToTransfer >= Bonus3) {
            bonusTokens = tokensToTransfer * 15 / 100;
        } else if (tokensToTransfer >= Bonus2) {
            bonusTokens = tokensToTransfer * 10 / 100;
        } else if (tokensToTransfer >= Bonus1) {
            bonusTokens = tokensToTransfer * 5 / 100;
        }


        uint256 totalTokensToTransfer = tokensToTransfer.add(bonusTokens);
        Claimable[buyer] += totalTokensToTransfer;

   
        if (_refferal != Nulladdress && tokensToTransfer >= RefBonus) {
            uint256 referralBonusTokens = tokensToTransfer * ReferralFee / 100;
            Claimable[_refferal] += referralBonusTokens;
            TotalReferralPaid = TotalReferralPaid.add(referralBonusTokens);

        }

        // Transfer the currency to the fee receiver
        if (msg.value > 0) {
            payable(feeReceiver).transfer(msg.value);
        } else {
            if (tokenAddress == address(USDT)) {
                IERC20(USDT).safeTransfer(feeReceiver, amt);
            } else if (tokenAddress == address(USDC)) {
                IERC20(USDC).safeTransfer(feeReceiver, amt);
            }
        }

        // Update tokens sold
        TokenSold = TokenSold.add(totalTokensToTransfer);

        // Update bonus tokens sold
        bonusTokenSold = bonusTokenSold.add(bonusTokens);
    }

     function claim() external {
        require(CanClaim==true,"Claim is not open yet");
        require(isBlacklist[msg.sender]==false,"Presale : you are blacklisted");
        require(tx.origin == msg.sender,"Presale : caller is a contract");
        uint256 claimable=Claimable[msg.sender];
        require(claimable>0,"no claimable found");
        token.transfer(msg.sender, claimable);
        Claimable[msg.sender]=0;
    }


    function getValuePerUsdt(uint256 _amt) public view returns(uint256){
    
       return(TokenPricePerUsdt.mul(_amt)).div(1e6);
    }

    

    function setPresalePricePerUsdt(uint256 _newPrice) external onlyOwner {
        TokenPricePerUsdt = _newPrice;
    }


    function stopPresale() external onlyOwner {
        presaleStatus = false;
    }

    function resumePresale() external onlyOwner {
        presaleStatus = true;
    }

    function setmaxTokeninPresale(uint256 _value) external onlyOwner{
        maxTokeninPresale=_value;
    }

    function UpdateTokenSold(uint256 _newValue) external onlyOwner{
        TokenSold= _newValue;

    }


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



    function recoverERC20(address tokenAddress, uint256 tokenAmount) external onlyOwner {
        IERC20(tokenAddress).transfer(this.owner(), tokenAmount);
        emit Recovered(tokenAddress, tokenAmount);
    }

     function EmergencyUSDT( address _usdt ,uint256 tokenAmount) external onlyOwner {
        IERC20(_usdt).safeTransfer(this.owner(),tokenAmount);

        emit Recovered(address(_usdt), tokenAmount);
    }


    function settoken(IERC20 _token) external onlyOwner{
        token=_token;
    }

    function setUSDT(IERC20 _usdt) external onlyOwner{
        USDT=_usdt;
    }

    function setUSDC(IERC20 _USDC) external onlyOwner{
        USDC=_USDC;
    }

     function StartClaim() external onlyOwner{
        CanClaim=true;
    }

       function StopClaim() external onlyOwner{
        CanClaim=false;
    }



    function setBlacklist(address _addr,bool _state) external onlyOwner{
        isBlacklist[_addr]=_state;
    }


       function releaseFunds() external onlyOwner 
    {
        payable(msg.sender).transfer(address(this).balance);
    }


    function ETHToToken(uint256 _amount) public view returns (uint256) {
        uint256 ETHToUSD = (_amount * (getLatestPriceETH())) / (1 ether);
        uint256 numberOfTokens = (ETHToUSD * (TokenPricePerUsdt)) / (1e8);
        return numberOfTokens;
    }

    function changefeeReceiver(address newFeeReceiver) external onlyOwner{
        feeReceiver = newFeeReceiver;
    }

    function change_Fee(uint256 _ReferralFee ) external onlyOwner  { 
        ReferralFee=_ReferralFee;
    }

    function setThresholds(
        uint256 _threshold1, 
        uint256 _threshold2, 
        uint256 _threshold3, 
        uint256 _threshold4, 
        uint256 _threshold5, 
        uint256 _threshold6, 
        uint256 _threshold7
    ) external onlyOwner {
        Bonus1 = _threshold1 * 1e18;
        Bonus2 = _threshold2 * 1e18;
        Bonus3 = _threshold3 * 1e18;
        Bonus4 = _threshold4 * 1e18;
        Bonus5 = _threshold5 * 1e18;
        Bonus6 = _threshold6 * 1e18;
        Bonus7 = _threshold7 * 1e18;
    }

    function changeRefBonus(uint256 _newRefBonus) external onlyOwner{
        RefBonus = _newRefBonus;
    }




}

{
  "compilationTarget": {
    "CantPresale.sol": "CantPresale"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}