文件 1 的 1:GreyToken.sol
pragma solidity ^0.8.4;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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);
}
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;
}
}
contract Ownable is Context {
address private m_Owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
m_Owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return m_Owner;
}
function transferOwnership(address _address) public virtual onlyOwner {
m_Owner = _address;
emit OwnershipTransferred(_msgSender(), _address);
}
modifier onlyOwner() {
require(_msgSender() == m_Owner, "Ownable: caller is not the owner");
_;
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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);
}
interface FTPAntiBot {
function scanAddress(address _address, address _safeAddress, address _origin) external returns (bool);
function registerBlock(address _recipient, address _sender, address _origin) external;
}
interface ExtWETH {
function balanceOf(address _address) external view returns (uint256);
}
contract GreyToken is Context, IERC20, Ownable {
using SafeMath for uint256;
uint256 private constant TOTAL_SUPPLY = 10000000000000 * 10**9;
string private m_Name = "Grey Token";
string private m_Symbol = "GREY";
uint8 private m_Decimals = 9;
uint256 private m_TxLimit = 50000000000 * 10**9;
uint256 private m_SafeTxLimit = m_TxLimit;
uint256 private m_WalletLimit = m_SafeTxLimit;
uint8 private m_DevFee = 5;
address payable private m_ProjectAddress;
address payable private m_DevAddress;
address payable private m_LiqWallet = payable(0x78033340d9adA6B2F2E17e966336a616E31B575B);
address private m_DevelopmentWallet = 0x5f1e5399e205cCb7c35Df2bf5d1f412076Ed03D8;
address private m_MarketingWallet = 0x10b041392Dde6907854528BCb2681E1ee409C162;
address private m_TeamWallet = 0xEE65B59BdE2066E032041184F82110DF19B1bdfa;
address private m_EventWallet = 0xc9a141d3fFd090154fa3dD8adcef9E963815ce64;
address private m_PresaleAllocWallet = 0xCD4F207FB5d551Fc6f513281eF66a7893852151A;
address private m_UniswapV2Pair;
bool private m_TradingOpened = false;
bool private m_IsSwap = false;
bool private m_SwapEnabled = false;
bool private m_AntiBot = true;
bool private m_Initialized = false;
bool private m_AddLiq = true;
bool private m_OpenTrading = false;
mapping (address => bool) private m_Banned;
mapping (address => bool) private m_ExcludedAddresses;
mapping (address => uint256) private m_Balances;
mapping (address => mapping (address => uint256)) private m_Allowances;
FTPAntiBot private AntiBot;
IUniswapV2Router02 private m_UniswapV2Router;
event MaxOutTxLimit(uint MaxTransaction);
event BanAddress(address Address, address Origin);
modifier lockTheSwap {
m_IsSwap = true;
_;
m_IsSwap = false;
}
modifier onlyDev {
require(_msgSender() == 0xC69857409822c90Bd249e55B397f63a79a878A55);
_;
}
receive() external payable {}
constructor () {
uint256 _supplyAmount = (TOTAL_SUPPLY.div(10).add(TOTAL_SUPPLY.div(40))).mul(1000).div(1087);
AntiBot = FTPAntiBot(0xCD5312d086f078D1554e8813C27Cf6C9D1C3D9b3);
m_Balances[address(this)] = _supplyAmount;
m_Balances[address(0)] = TOTAL_SUPPLY.div(10).add(TOTAL_SUPPLY.div(40)).sub(_supplyAmount);
m_Balances[m_DevelopmentWallet] = TOTAL_SUPPLY.div(10000).mul(1500);
m_Balances[m_MarketingWallet] = TOTAL_SUPPLY.div(40);
m_Balances[m_TeamWallet] = TOTAL_SUPPLY.div(20);
m_Balances[m_EventWallet] = TOTAL_SUPPLY.div(2);
m_Balances[m_PresaleAllocWallet] = TOTAL_SUPPLY.div(10000).mul(1500);
m_ExcludedAddresses[owner()] = true;
m_ExcludedAddresses[address(this)] = true;
m_ExcludedAddresses[m_DevelopmentWallet] = true;
m_ExcludedAddresses[m_MarketingWallet] = true;
m_ExcludedAddresses[m_TeamWallet] = true;
m_ExcludedAddresses[m_EventWallet] = true;
m_ExcludedAddresses[m_PresaleAllocWallet] = true;
emit Transfer(address(this), address(0), TOTAL_SUPPLY.div(10).add(TOTAL_SUPPLY.div(40)).sub(_supplyAmount));
emit Transfer(address(0), address(this), TOTAL_SUPPLY.div(10).add(TOTAL_SUPPLY.div(40)));
emit Transfer(address(0), m_DevelopmentWallet, TOTAL_SUPPLY.div(10000).mul(1500));
emit Transfer(address(0), m_MarketingWallet, TOTAL_SUPPLY.div(40));
emit Transfer(address(0), m_TeamWallet, TOTAL_SUPPLY.div(20));
emit Transfer(address(0), m_EventWallet, TOTAL_SUPPLY.div(2));
emit Transfer(address(0), m_PresaleAllocWallet, TOTAL_SUPPLY.div(10000).mul(1500));
}
function name() public view returns (string memory) {
return m_Name;
}
function symbol() public view returns (string memory) {
return m_Symbol;
}
function decimals() public view returns (uint8) {
return m_Decimals;
}
function totalSupply() public pure override returns (uint256) {
return TOTAL_SUPPLY;
}
function balanceOf(address _account) public view override returns (uint256) {
return m_Balances[_account];
}
function transfer(address _recipient, uint256 _amount) public override returns (bool) {
_transfer(_msgSender(), _recipient, _amount);
return true;
}
function allowance(address _owner, address _spender) public view override returns (uint256) {
return m_Allowances[_owner][_spender];
}
function approve(address _spender, uint256 _amount) public override returns (bool) {
_approve(_msgSender(), _spender, _amount);
return true;
}
function transferFrom(address _sender, address _recipient, uint256 _amount) public override returns (bool) {
_transfer(_sender, _recipient, _amount);
_approve(_sender, _msgSender(), m_Allowances[_sender][_msgSender()].sub(_amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _readyToTax(address _sender) private view returns(bool) {
return !m_IsSwap && _sender != m_UniswapV2Pair && m_SwapEnabled;
}
function _pleb(address _sender, address _recipient) private view returns(bool) {
bool _localBool = true;
if(m_ExcludedAddresses[_sender] || m_ExcludedAddresses[_recipient])
_localBool = false;
return _localBool;
}
function _senderNotUni(address _sender) private view returns(bool) {
return _sender != m_UniswapV2Pair;
}
function _txRestricted(address _sender, address _recipient) private view returns(bool) {
return _sender == m_UniswapV2Pair && _recipient != address(m_UniswapV2Router) && !m_ExcludedAddresses[_recipient];
}
function _walletCapped(address _recipient) private view returns(bool) {
return _recipient != m_UniswapV2Pair && _recipient != address(m_UniswapV2Router);
}
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");
m_Allowances[_owner][_spender] = _amount;
emit Approval(_owner, _spender, _amount);
}
function _transfer(address _sender, address _recipient, uint256 _amount) private {
require(_sender != address(0), "ERC20: transfer from the zero address");
require(_amount > 0, "Transfer amount must be greater than zero");
require(m_Initialized, "All parties must consent");
require(!m_Banned[_sender] && !m_Banned[_recipient] && !m_Banned[tx.origin]);
uint8 _fee = _setFee(_sender, _recipient);
uint256 _feeAmount = _amount.div(100).mul(_fee);
uint256 _newAmount = _amount.sub(_feeAmount);
if(m_AntiBot) {
if((_recipient == m_UniswapV2Pair || _sender == m_UniswapV2Pair) && m_TradingOpened){
require(!AntiBot.scanAddress(_recipient, m_UniswapV2Pair, tx.origin), "Beep beep boop! You're a piece of poop.");
require(!AntiBot.scanAddress(_sender, m_UniswapV2Pair, tx.origin), "Beep beep boop! You're a piece of poop.");
}
}
if(_walletCapped(_recipient))
require(balanceOf(_recipient) < m_WalletLimit);
if (_pleb(_sender, _recipient)) {
require(m_OpenTrading);
if (_txRestricted(_sender, _recipient))
require(_amount <= m_TxLimit);
_tax(_sender);
}
m_Balances[_sender] = m_Balances[_sender].sub(_amount);
m_Balances[_recipient] = m_Balances[_recipient].add(_newAmount);
m_Balances[address(this)] = m_Balances[address(this)].add(_feeAmount);
emit Transfer(_sender, _recipient, _newAmount);
if(m_AntiBot)
AntiBot.registerBlock(_sender, _recipient, tx.origin);
}
function _setFee(address _sender, address _recipient) private returns(uint8){
bool _takeFee = !(m_ExcludedAddresses[_sender] || m_ExcludedAddresses[_recipient]);
if(!_takeFee)
m_DevFee = 0;
if(_takeFee)
m_DevFee = 5;
return m_DevFee;
}
function _tax(address _sender) private {
uint256 _tokenBalance = balanceOf(address(this));
if (_readyToTax(_sender)) {
_swapTokensForETH(_tokenBalance);
_disperseEth();
}
}
function _swapTokensForETH(uint256 _amount) private lockTheSwap {
uint256 _liqAmount = _amount.div(4).mul(3);
uint256 _transferAmount = _amount;
if(m_AddLiq)
_transferAmount = _liqAmount;
m_Balances[m_LiqWallet] = m_Balances[m_LiqWallet].add(balanceOf(address(this)).sub(_liqAmount));
emit Transfer(address(this), m_LiqWallet, _amount.div(4));
address[] memory _path = new address[](2);
_path[0] = address(this);
_path[1] = m_UniswapV2Router.WETH();
_approve(address(this), address(m_UniswapV2Router), _transferAmount);
m_UniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
_transferAmount,
0,
_path,
address(this),
block.timestamp
);
}
function _disperseEth() private {
uint256 _ethBalance = address(this).balance;
uint256 _devAmount = _ethBalance.add(_ethBalance.div(3)).div(10);
uint256 _projectAmount;
if(m_AddLiq)
_projectAmount = _ethBalance.add(_ethBalance.div(3)).div(2).sub(_devAmount).sub(_ethBalance.div(165));
else
_projectAmount = _ethBalance.sub(_devAmount);
m_DevAddress.transfer(_devAmount);
m_ProjectAddress.transfer(_projectAmount);
if(m_AddLiq){
m_LiqWallet.transfer(address(this).balance);
}
}
function checkIfBanned(address _address) external view returns (bool) {
bool _banBool = false;
if(m_Banned[_address])
_banBool = true;
return _banBool;
}
function addLiquidity() external onlyOwner() {
require(!m_TradingOpened,"trading is already open");
m_UniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(m_UniswapV2Router), TOTAL_SUPPLY);
m_UniswapV2Pair = IUniswapV2Factory(m_UniswapV2Router.factory()).createPair(address(this), m_UniswapV2Router.WETH());
m_UniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
m_SwapEnabled = true;
m_TradingOpened = true;
IERC20(m_UniswapV2Pair).approve(address(m_UniswapV2Router), type(uint).max);
}
function launch() external onlyOwner() {
m_OpenTrading = true;
}
function manualBan(address _a) external onlyOwner() {
m_Banned[_a] = true;
}
function removeBan(address _a) external onlyOwner() {
m_Banned[_a] = false;
}
function setTxLimitMax(uint256 _amount) external onlyOwner() {
m_TxLimit = _amount.mul(10**9);
m_SafeTxLimit = _amount.mul(10**9);
emit MaxOutTxLimit(m_TxLimit);
}
function addTaxWhiteList(address _address) external onlyOwner() {
m_ExcludedAddresses[_address] = true;
}
function setProjectAddress(address payable _address) external onlyOwner() {
m_ProjectAddress = _address;
m_ExcludedAddresses[_address] = true;
}
function setDevAddress(address payable _address) external onlyDev {
m_DevAddress = _address;
m_Initialized = true;
}
function toggleAddLiq() external onlyOwner() returns(bool) {
if(m_AddLiq)
m_AddLiq = false;
else
m_AddLiq = true;
return m_AddLiq;
}
function assignAntiBot(address _address) external onlyOwner() {
AntiBot = FTPAntiBot(_address);
}
function toggleAntiBot() external onlyOwner() returns (bool){
bool _localBool;
if(m_AntiBot){
m_AntiBot = false;
_localBool = false;
}
else{
m_AntiBot = true;
_localBool = true;
}
return _localBool;
}
}