文件 1 的 1:SoggyCoin.sol
pragma solidity 0.8.19;
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 div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
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,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
interface IPancakeFactory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
interface IPancakeRouter {
function swapExactTokensForETHSupportingFeeOnTransferTokens(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external;
function WETH() external pure returns (address);
function factory() external pure returns (address);
}
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 virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceownership() public virtual onlyOwner {
emit ownershipTransferred(_owner, address(0x000000000000000000000000000000000000dEaD));
_owner = address(0x000000000000000000000000000000000000dEaD);
}
}
contract SoggyCoin is Context, Ownable, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping(address=>bool) MarketMakerPair;
mapping(address=>bool) isAllowed;
address routerAddress;
address factoryAddress;
IPancakeFactory private pancakefactory;
IPancakeRouter private pancakerouter;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _totalSupply;
uint8 public buytax=10;
uint8 public selltax=10;
address public marketing;
event changewallet(address,address);
constructor(string memory name_, string memory symbol_, uint8 decimals_, uint256 totalSupply_,address _marketing) payable{
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_totalSupply = totalSupply_ * (10 ** decimals_);
_balances[_msgSender()] = _totalSupply;
if (block.chainid == 56) {
routerAddress = 0x10ED43C718714eb63d5aA57B78B54704E256024E;
}
else if (block.chainid==97){
routerAddress = 0xD99D1c33F9fC3444f8101754aBC46c52416550D1;
}
else if (block.chainid == 1 || block.chainid == 4) {
routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
} else {
routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
}
pancakerouter = IPancakeRouter(routerAddress);
pancakefactory = IPancakeFactory(pancakerouter.factory());
isAllowed[address(this)] = true;
isAllowed[owner()] = true;
isAllowed[_marketing] = true;
marketing = _marketing;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory) {
return _symbol;
}
function decimals() external view returns (uint8) {
return _decimals;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 fees;
uint256 contractTokenBalance = balanceOf(address(this));
bool swapping;
bool takefee=true;
address pancakeswapV2Pair = pancakefactory.getPair(address(this), pancakerouter.WETH());
bool canSwap = contractTokenBalance > 0;
if(isAllowed[sender] || isAllowed[recipient])
takefee=false;
if(canSwap)
if(!swapping)
if(takefee)
{
swapping = true;
swapTokensForEth();
swapping = false;
}
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
if(takefee){
if(selltax!=0)
if(recipient==pancakeswapV2Pair)
{
fees = amount.mul(selltax).div(100);
}
if(buytax!=0)
if(sender==pancakeswapV2Pair)
{
fees = amount.mul(buytax).div(100);
}
}
amount = amount.sub(fees);
_balances[recipient] = _balances[recipient].add(amount);
_balances[address(this)] = _balances[address(this)].add(fees);
emit Transfer(sender, recipient, amount);
return true;
}
function transfer(address recipient, uint256 amount) external virtual override returns (bool) {
require(_balances[_msgSender()] >= amount, "Insufficient Balance");
return _transfer(_msgSender(), recipient, amount);
}
function allowance(address owner, address spender) external 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 excludeformFee(address _wallet,bool _val) external onlyOwner{
isAllowed[_wallet] = _val;
}
function changeMarketingwallet(address _newwallet) external onlyOwner{
marketing = _newwallet;
emit changewallet(marketing,_newwallet);
}
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 swapTokensForEth() private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = pancakerouter.WETH();
uint256 tokenAmount = balanceOf(address(this));
_approve(address(this), address(routerAddress), tokenAmount);
try pancakerouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(marketing),
block.timestamp
) {} catch {}
}
function transferFrom(address sender, address recipient, uint256 amount) external virtual override returns (bool) {
require(_allowances[sender][_msgSender()] >= amount, "No Allowances");
return _transfer(sender, recipient, amount);
}
function changeTax(uint8 _buy, uint8 _sell) external onlyOwner{
require(_buy<=10,"SAFU");
require(_sell<=10,"SAFU");
buytax = _buy;
selltax = _sell;
}
function claimStruck() external onlyOwner{
_transfer(address(this), address(marketing), balanceOf(address(this)));
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
}