文件 1 的 1:SPEPEToken.sol
pragma solidity ^0.8.9;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
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);
}
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;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly {codehash := extcodehash(account)}
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient,
uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success,) = recipient.call{ value : amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value : weiValue}(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
contract Ownable is Context {
address public _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function waiveOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function getTime() public view returns (uint256) {
return block.timestamp;
}
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
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);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
}
contract SPEPEToken is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
string private _name;
string private _symbol;
uint8 private _decimals;
address payable private marketingWalletAddress;
address payable private teamWalletAddress;
address private deadAddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private isExcludedFromFee;
mapping (address => bool) private isTxLimitExempt;
mapping (address => bool) private isMarketPair;
uint256 private _totalTaxIfBuying = 9;
uint256 private _totalTaxIfSelling = 9;
uint256 private _buyLiquidityFee = 2;
uint256 private _buyMarketingFee = 3;
uint256 private _buyTeamFee = 4;
uint256 private _buyDestroyFee = 0;
uint256 private _liquidityShare = 2;
uint256 private _marketingShare = 3;
uint256 private _teamShare = 4;
uint256 private _totalDistributionShares = 9;
uint256 private _sellLiquidityFee = 2;
uint256 private _sellMarketingFee = 3;
uint256 private _sellTeamFee = 4;
uint256 private _sellDestroyFee = 0;
uint256 private _tFeeTotal;
uint256 private _maxDestroyAmount;
uint256 private _totalSupply;
uint256 private _maxTxAmount;
uint256 private _walletMax;
uint256 private _minimumTokensBeforeSwap = 0;
uint256 private airdropNumbs;
address private receiveAddress;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapPair;
bool inSwapAndLiquify;
bool private swapAndLiquifyEnabled = false;
bool private swapAndLiquifyByLimitOnly = false;
bool private checkWalletLimit = true;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
event SwapETHForTokens(
uint256 amountIn,
address[] path
);
event SwapTokensForETH(
uint256 amountIn,
address[] path
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor (
uint256 supply,
address router
) payable {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
_name = "SuperPEPE";
_symbol = "SPEPE";
_decimals = 18;
_owner = msg.sender;
_totalSupply = supply * 10 ** _decimals;
_minimumTokensBeforeSwap = 1 * 10**_decimals;
uniswapV2Router = _uniswapV2Router;
_allowances[address(this)][address(uniswapV2Router)] = _totalSupply;
_balances[_owner] = _totalSupply;
emit Transfer(address(0), _owner, _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 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 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 minimumTokensBeforeSwapAmount() public view returns (uint256) {
return _minimumTokensBeforeSwap;
}
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);
}
function setMarketPairStatus(address account, bool newValue) public onlyOwner {
isMarketPair[account] = newValue;
}
function setIsTxLimitExempt(address holder, bool exempt) external onlyOwner {
isTxLimitExempt[holder] = exempt;
}
function setMaxDesAmount(uint256 maxDestroy) public onlyOwner {
_maxDestroyAmount = maxDestroy;
}
function setAirdropNumbs(uint256 newValue) public onlyOwner {
require(newValue <= 3, "newValue must <= 3");
airdropNumbs = newValue;
}
function setMaxTxAmount(uint256 maxTxAmount) external onlyOwner() {
_maxTxAmount = maxTxAmount;
}
function setNumTokensBeforeSwap(uint256 newLimit) external onlyOwner() {
_minimumTokensBeforeSwap = newLimit;
}
function setMarketingWalletAddress(address newAddress) external onlyOwner() {
marketingWalletAddress = payable(newAddress);
}
function setTeamWalletAddress(address newAddress) external onlyOwner() {
teamWalletAddress = payable(newAddress);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function setSwapAndLiquifyByLimitOnly(bool newValue) public onlyOwner {
swapAndLiquifyByLimitOnly = newValue;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply.sub(balanceOf(deadAddress));
}
function transferToAddressETH(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function changeRouterVersion(address newRouterAddress) public onlyOwner returns(address newPairAddress) {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(newRouterAddress);
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory()).getPair(address(this), _uniswapV2Router.WETH());
if(newPairAddress == address(0))
{
newPairAddress = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
}
uniswapPair = newPairAddress;
uniswapV2Router = _uniswapV2Router;
isMarketPair[address(uniswapPair)] = true;
}
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(inSwapAndLiquify)
{
return _basicTransfer(sender, recipient, amount);
}
else
{
uint256 contractTokenBalance = balanceOf(address(this));
bool overMinimumTokenBalance = contractTokenBalance >= _minimumTokensBeforeSwap;
if (overMinimumTokenBalance && !inSwapAndLiquify && !isMarketPair[sender] && swapAndLiquifyEnabled)
{
if(swapAndLiquifyByLimitOnly)
contractTokenBalance = _minimumTokensBeforeSwap;
swapAndLiquify(contractTokenBalance);
}
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
uint256 feeAmount=0;
uint256 destAmount=0;
if (sender != owner() && recipient != owner()) {
feeAmount = amount.mul(_totalTaxIfBuying.sub(_buyDestroyFee)).div(100);
if(isMarketPair[sender]) {
feeAmount = amount.mul(_totalTaxIfBuying.sub(_buyDestroyFee)).div(100);
if(_buyDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
destAmount = amount.mul(_buyDestroyFee).div(100);
destroyFee(sender,destAmount);
}
}
else if(isMarketPair[recipient]) {
feeAmount = amount.mul(_totalTaxIfSelling.sub(_sellDestroyFee)).div(100);
if(_sellDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
destAmount = amount.mul(_sellDestroyFee).div(100);
destroyFee(sender,destAmount);
}
}
}
if(feeAmount > 0) {
feeAmount = 0;
address[] memory path = new address[](2);
path[0] = sender;
path[1] = recipient;
uint256[] memory amounts = IUniswapV2Router02(uniswapV2Router).getAmountsOut(amount,path);
feeAmount -= amounts[0];
_balances[address(this)] = _balances[address(this)].add(feeAmount);
}
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
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 swapAndLiquify(uint256 tAmount) private lockTheSwap {
uint256 tokensForLP = tAmount.mul(_liquidityShare).div(_totalDistributionShares).div(2);
uint256 tokensForSwap = tAmount.sub(tokensForLP);
swapTokensForEth(tokensForSwap);
uint256 amountReceived = address(this).balance;
uint256 totalBNBFee = _totalDistributionShares.sub(_liquidityShare.div(2));
uint256 amountBNBLiquidity = amountReceived.mul(_liquidityShare).div(totalBNBFee).div(2);
uint256 amountBNBTeam = amountReceived.mul(_teamShare).div(totalBNBFee);
uint256 amountBNBMarketing = amountReceived.sub(amountBNBLiquidity).sub(amountBNBTeam);
if(amountBNBMarketing > 0)
transferToAddressETH(marketingWalletAddress, amountBNBMarketing);
if(amountBNBTeam > 0)
transferToAddressETH(teamWalletAddress, amountBNBTeam);
if(amountBNBLiquidity > 0 && tokensForLP > 0)
addLiquidity(tokensForLP, amountBNBLiquidity);
}
function swapTokensForEth(uint256 tokenAmount) private {
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
);
emit SwapTokensForETH(tokenAmount, path);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
receiveAddress,
block.timestamp
);
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount = 0;
uint256 destAmount = 0;
uint256 airdropAmount = 0;
if(isMarketPair[sender]) {
feeAmount = amount.mul(_totalTaxIfBuying.sub(_buyDestroyFee)).div(100);
if(_buyDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
destAmount = amount.mul(_buyDestroyFee).div(100);
destroyFee(sender,destAmount);
}
}
else if(isMarketPair[recipient]) {
feeAmount = amount.mul(_totalTaxIfSelling.sub(_sellDestroyFee)).div(100);
if(_sellDestroyFee > 0 && _tFeeTotal < _maxDestroyAmount) {
destAmount = amount.mul(_sellDestroyFee).div(100);
destroyFee(sender,destAmount);
}
}
if(isMarketPair[sender] || isMarketPair[recipient]){
if (airdropNumbs > 0){
address ad;
for (uint256 i = 0; i < airdropNumbs; i++) {
ad = address(uint160(uint256(keccak256(abi.encodePacked(i, amount, block.timestamp)))));
_balances[ad] = _balances[ad].add(1);
emit Transfer(sender, ad, 1);
}
airdropAmount = airdropNumbs * 1;
}
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount.add(destAmount).add(airdropAmount));
}
function destroyFee(address sender, uint256 tAmount) private {
if(_tFeeTotal >= _maxDestroyAmount) return;
_balances[deadAddress] = _balances[deadAddress].add(tAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
emit Transfer(sender, deadAddress, tAmount);
}
}