文件 1 的 1:BOBA.sol
pragma solidity ^0.8.17;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
pragma solidity ^0.8.0;
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_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 {
_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;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
pragma solidity >=0.5.0;
interface IUniswapV2Pair {
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 Mint(address indexed sender, uint amount0, uint amount1);
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 mint(address to) external returns (uint liquidity);
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;
}
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
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;
}
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract BOBA is Context, Ownable, IERC20, IERC20Metadata {
using SafeMath for uint256;
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _transferDelay;
mapping (address => bool) private _holderDelay;
mapping (address => bool) private _presaleList;
mapping (address => bool) public blacklist;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private openedAt = 0;
bool private tradingActive = false;
bool private presaleActive = false;
bool private _transferDelayEnabled = false;
bool private _blacklistEnabled = true;
bool private _taxEnabled = true;
bool public _limitsEnabled;
uint256 private maxTxAmount;
uint256 private maxWallet;
uint256 private sellTax;
uint256 private buyTax;
address private uniswapV3NFT;
bool private protectUniV3LPAdd = true;
mapping (address => bool) public _isExempt;
constructor() {
_name = "BOBA";
_symbol = "BOBA";
_decimals = 18;
_totalSupply = 100_000_000_000 * 1e18;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Router = _uniswapV2Router;
uniswapV3NFT = address(0xC36442b4a4522E871399CD717aBDD847Ab11FE88);
_isExempt[address(msg.sender)] = true;
_isExempt[address(this)] = true;
_isExempt[address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D)] = true;
_isExempt[address(0xdead)];
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
function name() public view returns (string memory) {
return _name;
}
function setPair(address _univ2pair) external onlyOwner {
uniswapV2Pair = _univ2pair;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view 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);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
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 setTradeStatus() external onlyOwner {
tradingActive = true;
openedAt = block.number;
}
function setValues(uint8 txAmount, uint8 walletAmount) external onlyOwner{
maxTxAmount = _totalSupply.mul(txAmount).div(1000);
maxWallet = _totalSupply.mul(walletAmount).div(1000);
}
function openPresale() external onlyOwner {
_limitsEnabled = true;
_transferDelayEnabled = true;
presaleActive = 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");
require(!blacklist[sender] && !blacklist[recipient], "TOKEN: You are a bad actor!");
if (!presaleActive) {
require( _isExempt[sender] || _isExempt[recipient], "Presale Trading is not active.");
}
if (!tradingActive) {
require( _isExempt[sender] || _isExempt[recipient] || _presaleList[sender] || _presaleList[recipient], "Trading is not active.");
}
if (protectUniV3LPAdd && (sender == uniswapV3NFT || recipient == uniswapV3NFT)) {
require(_isExempt[sender] || _isExempt[recipient], "You are not authorized to add LP to Univ3");
}
if (_transferDelayEnabled) {
bool oktoswap;
oktoswap = transferDelay(sender,recipient,tx.origin);
require(oktoswap, "transfer delay enabled");
}
if (_limitsEnabled) {
if (sender == uniswapV2Pair && !_isExempt[recipient]) {
require(amount <= maxTxAmount, "Buy transfer amount exceeds the maxTransactionAmount.");
require(amount + _balances[recipient] <= maxWallet, "Max wallet exceeded");
}
else if (recipient == uniswapV2Pair && !_isExempt[sender]) {
require(amount <= maxTxAmount, "Sell transfer amount exceeds the maxTransactionAmount.");
}
else if(!_isExempt[recipient]){
require(amount + _balances[recipient] <= maxWallet, "Max wallet exceeded");
}
}
_beforeTokenTransfer(sender, recipient, amount);
if (_taxEnabled && !((_isExempt[sender]) || (_isExempt[recipient]))) {
uint256 fees = 0;
if (sender == uniswapV2Pair) {
fees = amount.mul(buyTax).div(1000);
}
if (recipient == uniswapV2Pair) {
fees = amount.mul(sellTax).div(1000);
}
if (fees > 0) {
_balances[address(this)].add(fees);
amount -= fees;
}
}
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
function setTaxes (uint256 _buyTax, uint256 _sellTax) external onlyOwner {
buyTax = _buyTax;
sellTax = _sellTax;
}
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 {
}
function airdropPresalers(address[] memory wallets, uint256[] memory amountsInTokens) external onlyOwner {
require(wallets.length == amountsInTokens.length, "arrays must be the same length");
require(wallets.length < 200, "200 limit for gas fees");
for(uint256 i = 0; i < wallets.length; i++){
address wallet = wallets[i];
uint256 amount = amountsInTokens[i]*1e18;
_presaleList[wallet] = true;
_transfer(msg.sender, wallet, amount);
}
}
function addWalletsToPresale(address[] calldata wallets, bool value) external onlyOwner {
for (uint256 i=0; i<wallets.length; i++) {
address wallet = wallets[i];
_presaleList[wallet] = value;
}
}
function setBlacklist(address[] memory wallets_, bool value) public onlyOwner {
require(_blacklistEnabled, "unable to blacklist anymore");
for (uint256 i = 0; i < wallets_.length; i++) {
blacklist[wallets_[i]] = value;
}
}
function disableTransferDelay() public onlyOwner {
_transferDelayEnabled = false;
}
function disableUniV3LPProtect() public onlyOwner {
protectUniV3LPAdd = false;
}
function disableBlacklist() public onlyOwner {
_blacklistEnabled = false;
}
function disableTax() public onlyOwner {
_taxEnabled = false;
}
function disableLimits() public onlyOwner {
_limitsEnabled = false;
}
function removeBlacklist(address wallets) public onlyOwner {
blacklist[wallets] = false;
}
function prepMigration() public onlyOwner {
_transferDelayEnabled = false;
_taxEnabled = false;
_limitsEnabled = false;
}
function withdrawStuckETH() external onlyOwner {
bool success;
(success, ) = address(msg.sender).call{value: address(this).balance}(
""
);
}
function updateLimits(uint256 _txAmount, uint256 _walletAmount)
external
onlyOwner
{
maxTxAmount = _txAmount*1e18;
maxWallet = _walletAmount*1e18;
}
function burnEarlyTaxes(address sender, uint256 _amount) private {
if (_amount == 0) {
return;
}
address deadAddress = address(0xdead);
_balances[sender] = _balances[sender].sub(_amount, "ERC20: transfer amount exceeds balance");
_balances[deadAddress] = _balances[deadAddress].add(_amount);
emit Transfer(sender, deadAddress, _amount);
}
function transferDelay(address from, address to, address orig) internal returns (bool) {
bool oktoswap = true;
if (uniswapV2Pair == from) { _transferDelay[to] = block.number; _transferDelay[orig] = block.number;}
else if (uniswapV2Pair == to) {
if (_transferDelay[from] >= block.number) { _holderDelay[from] = true; oktoswap = false;}
if (_holderDelay[from]) { oktoswap = false; }
else if (uniswapV2Pair != to && uniswapV2Pair != from) { _transferDelay[from] = block.number; _transferDelay[to] = block.number; _transferDelay[orig] = block.number;}
}
return (oktoswap);
}
}