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pragma solidity 0.8.15;
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abstract contract Context {
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function _msgSender() internal view virtual returns (address) {
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return msg.sender;
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}
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function _msgData() internal view virtual returns (bytes calldata) {
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this;
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return msg.data;
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}
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}
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interface IUniswapV2Pair {
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event Approval(address indexed owner, address indexed spender, uint value);
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event Transfer(address indexed from, address indexed to, uint value);
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function name() external pure returns (string memory);
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function symbol() external pure returns (string memory);
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function decimals() external pure returns (uint8);
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function totalSupply() external view returns (uint);
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function balanceOf(address owner) external view returns (uint);
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function allowance(address owner, address spender) external view returns (uint);
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function approve(address spender, uint value) external returns (bool);
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function transfer(address to, uint value) external returns (bool);
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function transferFrom(address from, address to, uint value) external returns (bool);
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function DOMAIN_SEPARATOR() external view returns (bytes32);
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function PERMIT_TYPEHASH() external pure returns (bytes32);
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function nonces(address owner) external view returns (uint);
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function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
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event Mint(address indexed sender, uint amount0, uint amount1);
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event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
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event Swap(
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address indexed sender,
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uint amount0In,
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uint amount1In,
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uint amount0Out,
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uint amount1Out,
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address indexed to
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);
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event Sync(uint112 reserve0, uint112 reserve1);
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function MINIMUM_LIQUIDITY() external pure returns (uint);
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function factory() external view returns (address);
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function token0() external view returns (address);
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function token1() external view returns (address);
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function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
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function price0CumulativeLast() external view returns (uint);
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function price1CumulativeLast() external view returns (uint);
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function kLast() external view returns (uint);
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function mint(address to) external returns (uint liquidity);
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function burn(address to) external returns (uint amount0, uint amount1);
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function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
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function skim(address to) external;
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function sync() external;
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function initialize(address, address) external;
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}
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interface IUniswapV2Factory {
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event PairCreated(address indexed token0, address indexed token1, address pair, uint);
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function feeTo() external view returns (address);
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function feeToSetter() external view returns (address);
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function getPair(address tokenA, address tokenB) external view returns (address pair);
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function allPairs(uint) external view returns (address pair);
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function allPairsLength() external view returns (uint);
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function createPair(address tokenA, address tokenB) external returns (address pair);
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function setFeeTo(address) external;
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function setFeeToSetter(address) external;
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}
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(
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address sender,
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address recipient,
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uint256 amount
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) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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interface IERC20Metadata is IERC20 {
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function name() external view returns (string memory);
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function symbol() external view returns (string memory);
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function decimals() external view returns (uint8);
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}
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contract ERC20 is Context, IERC20, IERC20Metadata {
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using SafeMath for uint256;
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mapping(address => uint256) private _balances;
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mapping(address => mapping(address => uint256)) private _allowances;
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uint256 private _totalSupply;
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string private _name;
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string private _symbol;
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constructor(string memory name_, string memory symbol_) {
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_name = name_;
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_symbol = symbol_;
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}
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function name() public view virtual override returns (string memory) {
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return _name;
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}
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function symbol() public view virtual override returns (string memory) {
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return _symbol;
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}
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function decimals() public view virtual override returns (uint8) {
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return 18;
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}
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function totalSupply() public view virtual override returns (uint256) {
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return _totalSupply;
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}
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function balanceOf(address account) public view virtual override returns (uint256) {
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return _balances[account];
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}
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function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
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_transfer(_msgSender(), recipient, amount);
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return true;
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}
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function allowance(address owner, address spender) public view virtual override returns (uint256) {
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return _allowances[owner][spender];
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}
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function approve(address spender, uint256 amount) public virtual override returns (bool) {
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_approve(_msgSender(), spender, amount);
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return true;
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}
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function transferFrom(
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address sender,
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address recipient,
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uint256 amount
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) public virtual override returns (bool) {
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_transfer(sender, recipient, amount);
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_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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return true;
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}
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function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
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_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
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return true;
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}
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function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
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_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
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return true;
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}
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function _transfer(
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address sender,
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address recipient,
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uint256 amount
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) internal virtual {
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require(sender != address(0), "ERC20: transfer from the zero address");
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require(recipient != address(0), "ERC20: transfer to the zero address");
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_beforeTokenTransfer(sender, recipient, amount);
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_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
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_balances[recipient] = _balances[recipient].add(amount);
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emit Transfer(sender, recipient, amount);
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}
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function _mint(address account, uint256 amount) internal virtual {
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require(account != address(0), "ERC20: mint to the zero address");
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_beforeTokenTransfer(address(0), account, amount);
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_totalSupply = _totalSupply.add(amount);
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_balances[account] = _balances[account].add(amount);
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emit Transfer(address(0), account, amount);
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}
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function _burn(address account, uint256 amount) internal virtual {
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require(account != address(0), "ERC20: burn from the zero address");
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_beforeTokenTransfer(account, address(0), amount);
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_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
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_totalSupply = _totalSupply.sub(amount);
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emit Transfer(account, address(0), amount);
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}
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function _approve(
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address owner,
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address spender,
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uint256 amount
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) internal virtual {
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require(owner != address(0), "ERC20: approve from the zero address");
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require(spender != address(0), "ERC20: approve to the zero address");
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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function _beforeTokenTransfer(
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address from,
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address to,
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uint256 amount
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) internal virtual {}
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}
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b > 0, errorMessage);
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uint256 c = a / b;
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return c;
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}
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function mod(uint256 a, uint256 b) internal pure returns (uint256) {
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return mod(a, b, "SafeMath: modulo by zero");
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}
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function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b != 0, errorMessage);
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return a % b;
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}
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}
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contract Ownable is Context {
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address private _owner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
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address msgSender = _msgSender();
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_owner = msgSender;
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emit OwnershipTransferred(address(0), msgSender);
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}
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function owner() public view returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(_owner == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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function transferOwnership(address newOwner) public virtual onlyOwner {
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require(newOwner != address(0), "Ownable: new owner is the zero address");
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emit OwnershipTransferred(_owner, newOwner);
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_owner = newOwner;
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}
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}
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library SafeMathInt {
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int256 private constant MIN_INT256 = int256(1) << 255;
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int256 private constant MAX_INT256 = ~(int256(1) << 255);
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function mul(int256 a, int256 b) internal pure returns (int256) {int256 c = a * b;require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));require((b == 0) || (c / b == a));return c;}
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function div(int256 a, int256 b) internal pure returns (int256) {require(b != -1 || a != MIN_INT256);return a / b;}
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function sub(int256 a, int256 b) internal pure returns (int256) {int256 c = a - b; require((b >= 0 && c <= a) || (b < 0 && c > a));return c;}
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function add(int256 a, int256 b) internal pure returns (int256) {int256 c = a + b;require((b >= 0 && c >= a) || (b < 0 && c < a));return c;}
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function abs(int256 a) internal pure returns (int256) {require(a != MIN_INT256);return a < 0 ? -a : a;}
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function toUint256Safe(int256 a) internal pure returns (uint256) {require(a >= 0); return uint256(a);}
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}
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library SafeMathUint {
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function toInt256Safe(uint256 a) internal pure returns (int256) {
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int256 b = int256(a);
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require(b >= 0);
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return b;
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}
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}
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interface IUniswapV2Router01 {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function addLiquidity(
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address tokenA,
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address tokenB,
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uint amountADesired,
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uint amountBDesired,
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uint amountAMin,
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uint amountBMin,
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address to,
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uint deadline
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) external returns (uint amountA, uint amountB, uint liquidity);
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function addLiquidityETH(
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address token,
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uint amountTokenDesired,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline
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) external payable returns (uint amountToken, uint amountETH, uint liquidity);
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function removeLiquidity(
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address tokenA,
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address tokenB,
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uint liquidity,
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uint amountAMin,
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uint amountBMin,
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address to,
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uint deadline
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) external returns (uint amountA, uint amountB);
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function removeLiquidityETH(
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address token,
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uint liquidity,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline
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) external returns (uint amountToken, uint amountETH);
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function removeLiquidityWithPermit(
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address tokenA,
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address tokenB,
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uint liquidity,
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uint amountAMin,
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uint amountBMin,
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address to,
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uint deadline,
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bool approveMax, uint8 v, bytes32 r, bytes32 s
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) external returns (uint amountA, uint amountB);
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function removeLiquidityETHWithPermit(
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address token,
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uint liquidity,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline,
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bool approveMax, uint8 v, bytes32 r, bytes32 s
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) external returns (uint amountToken, uint amountETH);
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function swapExactTokensForTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external returns (uint[] memory amounts);
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function swapTokensForExactTokens(
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uint amountOut,
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uint amountInMax,
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address[] calldata path,
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address to,
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uint deadline
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) external returns (uint[] memory amounts);
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function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
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external
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payable
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returns (uint[] memory amounts);
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function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
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external
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returns (uint[] memory amounts);
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function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
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external
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returns (uint[] memory amounts);
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function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
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external
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payable
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returns (uint[] memory amounts);
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function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
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function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
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function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
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function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
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function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
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}
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interface IUniswapV2Router02 is IUniswapV2Router01 {
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function removeLiquidityETHSupportingFeeOnTransferTokens(
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address token,
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uint liquidity,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline
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) external returns (uint amountETH);
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function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
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address token,
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uint liquidity,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline,
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bool approveMax, uint8 v, bytes32 r, bytes32 s
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) external returns (uint amountETH);
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function swapExactTokensForTokensSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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function swapExactETHForTokensSupportingFeeOnTransferTokens(
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external payable;
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function swapExactTokensForETHSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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}
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contract EXIST is ERC20, Ownable {
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using SafeMath for uint256;
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IUniswapV2Router02 public immutable uniswapV2Router;
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address public immutable uniswapV2Pair;
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address public constant deadAddress = address(0xdead);
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bool private swapping;
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address public marketingWallet;
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address public tokenDevelopmentAddress;
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uint256 public maxTransactionAmount;
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uint256 public swapTokensAtAmount;
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uint256 public maxWallet;
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bool public limitsInEffect = true;
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bool public tradingActive = false;
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bool public swapEnabled = false;
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mapping(address => uint256) private _holderLastTransferTimestamp;
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bool public transferDelayEnabled = true;
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uint256 public buyTotalFees;
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uint256 public buyMarketingFee;
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uint256 public buyLiquidityFee;
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uint256 public buyDevelopmentFee;
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uint256 public sellTotalFees;
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uint256 public sellMarketingFee;
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uint256 public sellLiquidityFee;
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uint256 public sellDevelopmentFee;
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uint256 public tokensForMarketing;
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uint256 public tokensForLiquidity;
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uint256 public tokensForDevelopment;
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mapping (address => bool) private _isExcludedFromFees;
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mapping (address => bool) public _isExcludedMaxTransactionAmount;
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mapping (address => bool) public automatedMarketMakerPairs;
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event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);
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event ExcludeFromFees(address indexed account, bool isExcluded);
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event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
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event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);
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event DevelopmentWalletUpdated(address indexed newWallet, address indexed oldWallet);
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event SwapAndLiquify(
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uint256 tokensSwapped,
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uint256 ethReceived,
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uint256 tokensIntoLiquidity
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);
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|
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event BuyBackTriggered(uint256 amount);
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|
event OwnerForcedSwapBack(uint256 timestamp);
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constructor() ERC20("For Everyone", "EXIST") {
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IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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|
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excludeFromMaxTransaction(address(_uniswapV2Router), true);
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|
uniswapV2Router = _uniswapV2Router;
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|
|
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
|
|
excludeFromMaxTransaction(address(uniswapV2Pair), true);
|
|
_setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
|
|
|
|
uint256 _buyMarketingFee = 2;
|
|
uint256 _buyLiquidityFee = 1;
|
|
uint256 _buyDevelopmentFee = 2;
|
|
|
|
uint256 _sellMarketingFee = 2;
|
|
uint256 _sellLiquidityFee = 1;
|
|
uint256 _sellDevelopmentFee = 2;
|
|
|
|
uint256 totalSupply = 1 * 1e8 * 1e18;
|
|
|
|
maxWallet = totalSupply * 1 / 100;
|
|
maxTransactionAmount = totalSupply * 1 / 100;
|
|
swapTokensAtAmount = totalSupply * 15 / 10000;
|
|
|
|
buyMarketingFee = _buyMarketingFee;
|
|
buyLiquidityFee = _buyLiquidityFee;
|
|
buyDevelopmentFee = _buyDevelopmentFee;
|
|
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevelopmentFee;
|
|
|
|
sellMarketingFee = _sellMarketingFee;
|
|
sellLiquidityFee = _sellLiquidityFee;
|
|
sellDevelopmentFee = _sellDevelopmentFee;
|
|
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevelopmentFee;
|
|
|
|
marketingWallet = address(msg.sender);
|
|
tokenDevelopmentAddress = address(msg.sender);
|
|
|
|
excludeFromFees(owner(), true);
|
|
excludeFromFees(address(this), true);
|
|
excludeFromFees(address(0xdead), true);
|
|
|
|
excludeFromMaxTransaction(owner(), true);
|
|
excludeFromMaxTransaction(address(this), true);
|
|
excludeFromMaxTransaction(address(0xdead), true);
|
|
|
|
_mint(msg.sender, totalSupply);
|
|
}
|
|
|
|
receive() external payable {
|
|
|
|
}
|
|
|
|
function enableTrading() external onlyOwner {
|
|
tradingActive = true;
|
|
swapEnabled = true;
|
|
}
|
|
|
|
function removeLimits() external onlyOwner returns (bool){
|
|
limitsInEffect = false;
|
|
transferDelayEnabled = false;
|
|
return true;
|
|
}
|
|
|
|
function disableTransferDelay() external onlyOwner returns (bool){
|
|
transferDelayEnabled = false;
|
|
return true;
|
|
}
|
|
|
|
function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {
|
|
_isExcludedMaxTransactionAmount[updAds] = isEx;
|
|
}
|
|
|
|
function updateBuyFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _DevelopmentFee) external onlyOwner {
|
|
buyMarketingFee = _marketingFee;
|
|
buyLiquidityFee = _liquidityFee;
|
|
buyDevelopmentFee = _DevelopmentFee;
|
|
buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevelopmentFee;
|
|
require(buyTotalFees <= 6, "Must keep fees at 6% or less");
|
|
}
|
|
|
|
function updateSellFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _DevelopmentFee) external onlyOwner {
|
|
sellMarketingFee = _marketingFee;
|
|
sellLiquidityFee = _liquidityFee;
|
|
sellDevelopmentFee = _DevelopmentFee;
|
|
sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevelopmentFee;
|
|
require(sellTotalFees <= 100, "Must keep fees at 100% or less");
|
|
}
|
|
|
|
function excludeFromFees(address account, bool excluded) public onlyOwner {
|
|
_isExcludedFromFees[account] = excluded;
|
|
emit ExcludeFromFees(account, excluded);
|
|
}
|
|
|
|
function setAutomatedMarketMakerPair(address pair, bool value) external onlyOwner {
|
|
require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
|
|
|
|
_setAutomatedMarketMakerPair(pair, value);
|
|
}
|
|
|
|
function _setAutomatedMarketMakerPair(address pair, bool value) private {
|
|
automatedMarketMakerPairs[pair] = value;
|
|
|
|
emit SetAutomatedMarketMakerPair(pair, value);
|
|
}
|
|
|
|
function isExcludedFromFees(address account) external view returns(bool) {
|
|
return _isExcludedFromFees[account];
|
|
}
|
|
|
|
function _transfer(
|
|
address from,
|
|
address to,
|
|
uint256 amount
|
|
) internal override {
|
|
require(from != address(0), "ERC20: transfer from the zero address");
|
|
require(to != address(0), "ERC20: transfer to the zero address");
|
|
|
|
if(amount == 0) {
|
|
super._transfer(from, to, 0);
|
|
return;
|
|
}
|
|
|
|
if(limitsInEffect){
|
|
if (
|
|
from != owner() &&
|
|
to != owner() &&
|
|
to != address(0) &&
|
|
to != address(0xdead) &&
|
|
!swapping
|
|
){
|
|
if(!tradingActive){
|
|
require(_isExcludedFromFees[from] || _isExcludedFromFees[to], "Trading is not active.");
|
|
}
|
|
|
|
if (transferDelayEnabled){
|
|
if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)){
|
|
require(_holderLastTransferTimestamp[tx.origin] < block.number, "_transfer:: Transfer Delay enabled. Only one purchase per block allowed.");
|
|
_holderLastTransferTimestamp[tx.origin] = block.number;
|
|
}
|
|
}
|
|
|
|
|
|
if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {
|
|
require(amount + balanceOf(to) <= maxWallet, "Unable to exceed Max Wallet");
|
|
}
|
|
|
|
else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {
|
|
require(amount <= maxTransactionAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
|
|
}
|
|
else if(!_isExcludedMaxTransactionAmount[to]) {
|
|
require(amount + balanceOf(to) <= maxWallet, "Unable to exceed Max Wallet");
|
|
}
|
|
}
|
|
}
|
|
|
|
uint256 contractTokenBalance = balanceOf(address(this));
|
|
|
|
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
|
|
|
|
if(
|
|
canSwap &&
|
|
swapEnabled &&
|
|
!swapping &&
|
|
!automatedMarketMakerPairs[from] &&
|
|
!_isExcludedFromFees[from] &&
|
|
!_isExcludedFromFees[to]
|
|
) {
|
|
swapping = true;
|
|
|
|
swapBack();
|
|
|
|
swapping = false;
|
|
}
|
|
|
|
bool takeFee = !swapping;
|
|
|
|
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
|
|
takeFee = false;
|
|
}
|
|
|
|
uint256 fees = 0;
|
|
if(takeFee){
|
|
|
|
if (automatedMarketMakerPairs[to] && sellTotalFees > 0){
|
|
fees = amount.mul(sellTotalFees).div(100);
|
|
tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees;
|
|
tokensForDevelopment += fees * sellDevelopmentFee / sellTotalFees;
|
|
tokensForMarketing += fees * sellMarketingFee / sellTotalFees;
|
|
}
|
|
|
|
else if(automatedMarketMakerPairs[from] && buyTotalFees > 0) {
|
|
fees = amount.mul(buyTotalFees).div(100);
|
|
tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees;
|
|
tokensForDevelopment += fees * buyDevelopmentFee / buyTotalFees;
|
|
tokensForMarketing += fees * buyMarketingFee / buyTotalFees;
|
|
}
|
|
|
|
if(fees > 0){
|
|
super._transfer(from, address(this), fees);
|
|
}
|
|
|
|
amount -= fees;
|
|
}
|
|
|
|
super._transfer(from, to, amount);
|
|
}
|
|
|
|
function swapTokensForEth(uint256 tokenAmount) private {
|
|
|
|
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 addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
|
|
|
|
_approve(address(this), address(uniswapV2Router), tokenAmount);
|
|
|
|
uniswapV2Router.addLiquidityETH{value: ethAmount}(
|
|
address(this),
|
|
tokenAmount,
|
|
0,
|
|
0,
|
|
owner(),
|
|
block.timestamp
|
|
);
|
|
}
|
|
|
|
function swapBack() private {
|
|
uint256 contractBalance = balanceOf(address(this));
|
|
uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDevelopment;
|
|
|
|
if(contractBalance == 0 || totalTokensToSwap == 0) {return;}
|
|
|
|
if(contractBalance >= swapTokensAtAmount * 10){
|
|
contractBalance = swapTokensAtAmount * 10;
|
|
}
|
|
|
|
uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;
|
|
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
|
|
|
|
uint256 initialETHBalance = address(this).balance;
|
|
|
|
swapTokensForEth(amountToSwapForETH);
|
|
|
|
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
|
|
|
|
uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);
|
|
uint256 ethForDevelopment = ethBalance.mul(tokensForDevelopment).div(totalTokensToSwap);
|
|
|
|
|
|
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDevelopment;
|
|
|
|
|
|
tokensForLiquidity = 0;
|
|
tokensForMarketing = 0;
|
|
tokensForDevelopment = 0;
|
|
|
|
|
|
(bool success,) = address(tokenDevelopmentAddress).call{value: ethForDevelopment}("");
|
|
|
|
if(liquidityTokens > 0 && ethForLiquidity > 0){
|
|
addLiquidity(liquidityTokens, ethForLiquidity);
|
|
emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);
|
|
}
|
|
|
|
(success,) = address(marketingWallet).call{value: address(this).balance}("");
|
|
}
|
|
} |
