文件 1 的 1：LINE-TSM.sol
pragma solidity ^0.8.10;
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 {
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
);
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
interface IDexSwapFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDexSwapPair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint 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 (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint 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 (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
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 (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IDexSwapRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract LINE is Context, IERC20, Ownable {
using SafeMath for uint256;
string private _name = "LINE";
string private _symbol = "LINE";
uint8 private _decimals = 18;
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
address public immutable zeroAddress = 0x0000000000000000000000000000000000000000;
uint256 public _buyTreasuryFee = 0;
uint256 public _sellTreasuryFee = 200;
address public Treasury;
uint256 feedenominator = 1000;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public isExemptFromTaxes;
mapping (address => bool) public isMarketPair;
uint256 private _totalSupply = 100_000_000_000 * 10**_decimals;
uint256 public swapThreshold = 13_333_333 * 10**_decimals;
bool public swapEnabled = true;
bool public onlyOwnerCanProvideLP = true;
IDexSwapRouter public dexRouter;
address public dexPair;
bool inSwap;
bool public swapbylimit = false;
modifier onlyGuard() {
require(msg.sender == Treasury,"Error: Invalid Caller!");
_;
}
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
constructor() {
IDexSwapRouter _dexRouter = IDexSwapRouter(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
dexPair = IDexSwapFactory(_dexRouter.factory()).createPair(
address(this),
_dexRouter.WETH()
);
dexRouter = _dexRouter;
Treasury = msg.sender;
isExemptFromTaxes[address(this)] = true;
isExemptFromTaxes[msg.sender] = true;
isExemptFromTaxes[address(dexRouter)] = true;
isExemptFromTaxes[0xD152f549545093347A162Dce210e7293f1452150] = true;
isMarketPair[address(dexPair)] = true;
_allowances[address(this)][address(dexRouter)] = ~uint256(0);
_allowances[address(this)][address(dexPair)] = ~uint256(0);
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function enableSale () public onlyOwner {
onlyOwnerCanProvideLP = false;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(deadAddress)).sub(balanceOf(zeroAddress));
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
receive() external payable {}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _transfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if (onlyOwnerCanProvideLP) {
if (recipient == address(dexPair)) {
require(sender == owner(), "Only deployer can provide initial LP");
}
}
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
else {
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= swapThreshold;
if (overMinimumTokenBalance && !inSwap && !isMarketPair[sender] && swapEnabled) {
swapBack(contractTokenBalance);
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 finalAmount = shouldNotTakeFee(sender,recipient) ? amount : takeFee(sender, recipient, amount);
_balances[recipient] = _balances[recipient].add(finalAmount);
emit Transfer(sender, recipient, finalAmount);
return true;
}
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function shouldNotTakeFee(address sender, address recipient) internal view returns (bool) {
if(isExemptFromTaxes[sender] || isExemptFromTaxes[recipient]) {
return true;
}
else if (isMarketPair[sender] || isMarketPair[recipient]) {
return false;
}
else {
return false;
}
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint feeAmount;
unchecked {
if(isMarketPair[sender]) {
feeAmount = amount.mul(_buyTreasuryFee).div(feedenominator);
}
else if(isMarketPair[recipient]) {
feeAmount = amount.mul(_sellTreasuryFee).div(feedenominator);
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
}
function swapBack(uint contractBalance) internal swapping {
if(swapbylimit) contractBalance = swapThreshold;
uint256 initialBalance = address(this).balance;
swapTokensForEth(contractBalance);
uint256 amountReceived = address(this).balance.sub(initialBalance);
if(amountReceived > 0) payable(Treasury).transfer(amountReceived);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
emit SwapTokensForETH(tokenAmount, path);
}
function rescueFunds() external onlyGuard {
(bool os,) = payable(msg.sender).call{value: address(this).balance}("");
require(os,"Transaction Failed!!");
}
function rescueTokens(IERC20 adr,address recipient,uint amount) external onlyGuard {
adr.transfer(recipient,amount);
}
function setFee(uint _buyFee, uint _sellFee) external onlyOwner {
_buyTreasuryFee = _buyFee;
_sellTreasuryFee = _sellFee;
}
function setDeno(uint _deno) external onlyOwner {
feedenominator = _deno;
}
function excludeFromFee(address _adr,bool _status) external onlyOwner {
isExemptFromTaxes[_adr] = _status;
}
function setTreasuryWallet(address _newWallet) external onlyOwner {
Treasury = _newWallet;
}
function setMarketPair(address _pair, bool _status) external onlyOwner {
isMarketPair[_pair] = _status;
}
function setSwapBackSettings(bool _enabled, bool _limited, uint256 _amount)
external
onlyOwner
{
swapEnabled = _enabled;
swapbylimit = _limited;
swapThreshold = _amount;
}
function setManualRouter(address _router) external onlyOwner {
dexRouter = IDexSwapRouter(_router);
}
function setManualPair(address _pair) external onlyOwner {
dexPair = _pair;
}
}
