文件 1 的 1:TOROGRAM.sol
pragma solidity 0.8.22;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
}
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
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() external view virtual override returns (string memory) {
return _name;
}
function symbol() external view virtual override returns (string memory) {
return _symbol;
}
function decimals() external view virtual override returns (uint8) {
return 18;
}
function totalSupply() external view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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) external virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _createSupply(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, 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);
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_setOwner(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() external virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) external virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract TOROGRAM is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router;
address public immutable uniswapV2Pair;
uint256 public payoutTaxAtAmount = 50000 * (10**18);
uint256 public maxBuy = 1500000 * (10**18);
uint256 public totalTax = 5;
mapping (address => bool) public isTaxesExempt;
address payable public taxWallet = payable(0x2bd1D559434d028914c3266512AEF77eD1b2B76B);
event PaidOutTaxes(uint256 contract_token_balance);
bool private inSwapping;
modifier lockTheSwap {
inSwapping = true;
_;
inSwapping = false;
}
constructor() ERC20("TORO", "TORO") {
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
isTaxesExempt[owner()] = true;
isTaxesExempt[taxWallet] = true;
isTaxesExempt[address(this)] = true;
_createSupply(owner(), 100000000 * (10**18));
}
function _transfer(address from, address to, uint256 amount) internal override {
require(from != address(0), "TORO: transfer from the zero address");
require(to != address(0), "TORO: transfer to the zero address");
if(amount == 0) {
super._transfer(from, to, 0);
return;
}
if(from == uniswapV2Pair && !isTaxesExempt[to]) {
uint256 token_receiver = balanceOf(to);
require(token_receiver.add(amount) <= maxBuy, "TORO: Exceeds maximum buy token amount");
}
uint256 contract_token_balance = balanceOf(address(this));
bool overMinTokenBalance = contract_token_balance >= payoutTaxAtAmount;
if(to == uniswapV2Pair && overMinTokenBalance && !inSwapping) {
payoutTaxes(contract_token_balance);
}
if((to == uniswapV2Pair && !isTaxesExempt[from]) || (from == uniswapV2Pair && !isTaxesExempt[to])) {
uint256 taxes = amount.mul(totalTax).div(100);
amount = amount.sub(taxes);
super._transfer(from, address(this), taxes);
}
super._transfer(from, to, amount);
}
function payoutTaxes(uint256 contract_token_balance) private lockTheSwap {
swapTokensForETH(contract_token_balance);
taxWallet.transfer(address(this).balance);
emit PaidOutTaxes(contract_token_balance);
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
if(allowance(address(this), address(uniswapV2Router)) < tokenAmount) {
_approve(address(this), address(uniswapV2Router), ~uint256(0));
}
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
receive() external payable {}
}