编译器
0.8.20+commit.a1b79de6
文件 1 的 6:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
文件 2 的 6:ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
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 _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
文件 3 的 6:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from, address to, uint256 amount) external returns (bool);
}
文件 4 的 6:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 5 的 6:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 6 的 6:PRINT.sol
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 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);
}
interface IUniswapV2Factory {
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
}
contract PRINT is ERC20, Ownable {
uint256 private buyTax = 20;
uint256 private sellTax = 25;
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
mapping(address => bool) public isExempt;
address private immutable marketingAddress;
address private immutable taxAddress;
uint256 public maxTransactionAmount;
uint256 public maxTxLaunch;
bool private launch = false;
bool private slowLaunch = true;
uint256 private blockLaunch;
uint256 private lastSellBlock;
uint256 private sellCount;
uint256 private minSwap;
uint256 private maxSwap;
uint256 private _buyCount = 0;
bool private inSwap;
modifier lockTheSwap() {
inSwap = true;
_;
inSwap = false;
}
constructor(
address _taxAddress,
address _marketingAddress,
address _rewards,
address _private,
address _cex
) ERC20("PRINT", "PRINT") Ownable() {
uint256 totalSupply = 100000000 * 10 ** 18;
marketingAddress = _marketingAddress;
taxAddress = _taxAddress;
isExempt[msg.sender] = true;
isExempt[address(this)] = true;
isExempt[_rewards] = true;
isExempt[marketingAddress] = true;
isExempt[taxAddress] = true;
isExempt[_private] = true;
isExempt[_cex] = true;
_mint(_cex, (totalSupply * 4) / 100);
_mint(marketingAddress, (totalSupply * 6) / 100);
_mint(_rewards, (totalSupply * 4296) / 10000);
_mint(_private, (totalSupply * 20) / 100);
_mint(
msg.sender,
(totalSupply * (10000 - (400 + 600 + 4296 + 2000))) / 10000
);
uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
uniswapV2Pair = address(
IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this),
uniswapV2Router.WETH()
)
);
maxTransactionAmount = (totalSupply * 2) / 100;
maxTxLaunch = (totalSupply * 5) / 1000;
maxSwap = 250000 * 10 ** 18;
minSwap = 25000 * 10 ** 18;
}
function addLiquidity() external onlyOwner {
_approve(
address(this),
address(uniswapV2Router),
balanceOf(address(this))
);
uniswapV2Router.addLiquidityETH{value: address(this).balance}(
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp
);
}
function getMinCASwap() public view returns (uint256) {
return minSwap / 10 ** decimals();
}
function setMaxCASwap(uint256 _maxSwap) external onlyOwner {
maxSwap = _maxSwap * 10 ** decimals();
}
function setMinSwap(uint256 _minSwap) external onlyOwner {
minSwap = _minSwap * 10 ** decimals();
}
function switchCaSell() external onlyOwner {
if (inSwap) {
inSwap = false;
} else {
inSwap = true;
}
}
function deactivateSlowLaunch() external onlyOwner {
slowLaunch = false;
}
function getMaxCASwap() public view returns (uint256) {
return maxSwap / 10 ** decimals();
}
function swapTokensEth(uint256 tokenAmount) internal lockTheSwap {
_approve(address(this), address(uniswapV2Router), tokenAmount);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
taxAddress,
block.timestamp
);
}
function _transfer(
address from,
address to,
uint256 value
) internal virtual override {
if (!isExempt[from] && !isExempt[to]) {
require(launch);
uint256 tax = 0;
if (slowLaunch && blockLaunch != block.number) {
require(value <= maxTxLaunch, "MAX TX LIMIT");
} else {
require(value <= maxTransactionAmount, "MAX TX LIMIT");
}
if (to == uniswapV2Pair) {
tax = sellTax;
uint256 tokensSwap = balanceOf(address(this));
if (tokensSwap > minSwap && !inSwap) {
if (block.number > lastSellBlock) {
sellCount = 0;
}
if (sellCount < 3) {
sellCount++;
lastSellBlock = block.number;
swapTokensEth(min(maxSwap, min(value, tokensSwap)));
}
}
} else if (from == uniswapV2Pair) {
tax = buyTax;
if (block.number == blockLaunch) {
_buyCount++;
tax = 0;
require(
_buyCount <= 15,
"Exceeds buys on the first block."
);
}
}
uint256 taxAmount = (value * tax) / 100;
uint256 amountAfterTax = value - taxAmount;
if (taxAmount > 0) {
super._transfer(from, address(this), taxAmount);
}
super._transfer(from, to, amountAfterTax);
return;
}
super._transfer(from, to, value);
}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
function setTax(uint256 newBuyTax, uint256 newSellTax) external onlyOwner {
require(newBuyTax < 20 && newSellTax < 20);
sellTax = newSellTax;
buyTax = newBuyTax;
}
function setMaxTx(uint256 newMaxTx) external onlyOwner {
maxTransactionAmount = newMaxTx * 10 ** decimals();
}
function removeAllLimits() external onlyOwner {
maxTransactionAmount = totalSupply();
}
function exportETH() external {
payable(marketingAddress).transfer(address(this).balance);
}
function setExcludedWallet(
address wAddress,
bool isExcle
) external onlyOwner {
isExempt[wAddress] = isExcle;
}
function openTrading() external onlyOwner {
launch = true;
blockLaunch = block.number;
}
receive() external payable {}
}
{
"compilationTarget": {
"contracts/PRINT.sol": "PRINT"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"address","name":"_taxAddress","type":"address"},{"internalType":"address","name":"_marketingAddress","type":"address"},{"internalType":"address","name":"_rewards","type":"address"},{"internalType":"address","name":"_private","type":"address"},{"internalType":"address","name":"_cex","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"addLiquidity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deactivateSlowLaunch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"exportETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getMaxCASwap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinCASwap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isExempt","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransactionAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTxLaunch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"openTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"removeAllLimits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wAddress","type":"address"},{"internalType":"bool","name":"isExcle","type":"bool"}],"name":"setExcludedWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxSwap","type":"uint256"}],"name":"setMaxCASwap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newMaxTx","type":"uint256"}],"name":"setMaxTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minSwap","type":"uint256"}],"name":"setMinSwap","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newBuyTax","type":"uint256"},{"internalType":"uint256","name":"newSellTax","type":"uint256"}],"name":"setTax","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"switchCaSell","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]