Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
//SPDX-License-Identifier: MIT
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pragma solidity ^0.8.14;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
contract TRUMPINU is IERC20, Ownable {
string constant _name = "TRUMP INU";
string constant _symbol = "TRUMP INU";
uint8 constant _decimals = 18;
uint256 _totalSupply = 100000000000 * (10 ** _decimals); // One hundred billions
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) public isFeeExempt;
mapping(address => bool) public isAuthorized;
address public taxWallet;
uint256 public buyTotalFee = 1;
uint256 public sellTotalFee = 1;
IUniswapV2Router02 public router;
address public pair;
bool public getTransferFees = true;
uint256 public swapThreshold = (_totalSupply * 1) / 10000; // 0.001% of supply
bool public contractSwapEnabled = true;
bool public isTradeEnabled = false;
bool inContractSwap;
modifier swapping() {
inContractSwap = true;
_;
inContractSwap = false;
}
event SetIsFeeExempt(address holder, bool status);
event AddAuthorizedWallet(address holder, bool status);
event SetDoContractSwap(bool status);
event DoContractSwap(uint256 amount, uint256 time);
event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
event ETHTransferFailed(address wallet, uint256 amount);
constructor() {
router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
pair = IUniswapV2Factory(router.factory()).createPair(
router.WETH(),
address(this)
);
_allowances[address(this)][address(router)] = type(uint256).max;
taxWallet = 0x2f71044512d83d095ecf52f8B1Ed6f00F35B1Af5;
address newOwner = 0x19434B5b4141FBc96BAEF2fe0b4885807c1d222C;
isFeeExempt[newOwner] = true;
isFeeExempt[address(this)] = true;
isFeeExempt[taxWallet] = true;
isAuthorized[newOwner] = true;
isAuthorized[address(this)] = true;
isAuthorized[taxWallet] = true;
_balances[newOwner] = _totalSupply;
emit Transfer(address(0), newOwner, _totalSupply);
// transferOwnership(newOwner);
}
receive() external payable {}
function totalSupply() external view override returns (uint256) {
return _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 balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function allowance(
address holder,
address spender
) external view override returns (uint256) {
return _allowances[holder][spender];
}
function approve(
address spender,
uint256 amount
) public override returns (bool) {
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
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 approveMax(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(
address recipient,
uint256 amount
) external override returns (bool) {
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) external override returns (bool) {
if (_allowances[sender][msg.sender] != type(uint256).max) {
require(
_allowances[sender][msg.sender] >= amount,
"Insufficient Allowance"
);
_allowances[sender][msg.sender] =
_allowances[sender][msg.sender] -
amount;
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (!isTradeEnabled) require(isAuthorized[sender], "Trading disabled");
if (inContractSwap) {
return _basicTransfer(sender, recipient, amount);
}
if (shouldDoContractSwap()) {
doContractSwap();
}
require(_balances[sender] >= amount, "Insufficient Balance");
_balances[sender] = _balances[sender] - amount;
uint256 amountReceived = shouldTakeFee(sender, recipient)
? takeFee(sender, recipient, amount)
: amount;
_balances[recipient] = _balances[recipient] + amountReceived;
emit Transfer(sender, recipient, amountReceived);
return true;
}
function shouldDoContractSwap() internal view returns (bool) {
return (msg.sender != pair &&
!inContractSwap &&
contractSwapEnabled &&
sellTotalFee > 0 &&
_balances[address(this)] >= swapThreshold);
}
function takeFee(
address sender,
address recipient,
uint256 amount
) internal returns (uint256) {
uint256 feeToken;
if (recipient == pair) feeToken = (amount * sellTotalFee) / 100;
else feeToken = (amount * buyTotalFee) / 100;
_balances[address(this)] = _balances[address(this)] + feeToken;
emit Transfer(sender, address(this), feeToken);
return (amount - feeToken);
}
function _basicTransfer(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
require(_balances[sender] >= amount, "Insufficient Balance");
_balances[sender] = _balances[sender] - amount;
_balances[recipient] = _balances[recipient] + amount;
emit Transfer(sender, recipient, amount);
return true;
}
function shouldTakeFee(
address sender,
address to
) internal view returns (bool) {
if (!getTransferFees) {
if (sender != pair && to != pair) return false;
}
if (isFeeExempt[sender] || isFeeExempt[to]) {
return false;
} else {
return true;
}
}
function isFeeExcluded(address _wallet) public view returns (bool) {
return isFeeExempt[_wallet];
}
function doContractSwap() internal swapping {
uint256 contractTokenBalance = _balances[address(this)];
swapTokensForEth(contractTokenBalance);
uint256 swappedTokens = address(this).balance;
if (swappedTokens > 0) {
(bool success, ) = taxWallet.call{value: swappedTokens}("");
if (!success) {
emit ETHTransferFailed(taxWallet, swappedTokens);
}
}
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
// make the swap
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function setIsFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
emit SetIsFeeExempt(holder, exempt);
}
function setDoContractSwap(bool _enabled) external onlyOwner {
contractSwapEnabled = _enabled;
emit SetDoContractSwap(_enabled);
}
function changeTaxWallet(address _wallet) external onlyOwner {
taxWallet = _wallet;
}
function enableTrading() external onlyOwner {
isTradeEnabled = true;
}
function setAuthorizedWallets(
address _wallet,
bool _status
) external onlyOwner {
isAuthorized[_wallet] = _status;
}
function rescueEth() external onlyOwner {
uint256 balance = address(this).balance;
require(balance > 0, "No enough ETH to transfer");
payable(msg.sender).transfer(balance);
}
function changeGetFeesOnTransfer(bool _status) external onlyOwner {
getTransferFees = _status;
}
}