Skip to content

Instantly share code, notes, and snippets.

@EmekaManuel
Created May 6, 2023 10:10
Show Gist options
  • Save EmekaManuel/50ce19447de6d91b9ba7bcbda563c2d1 to your computer and use it in GitHub Desktop.
Save EmekaManuel/50ce19447de6d91b9ba7bcbda563c2d1 to your computer and use it in GitHub Desktop.
This is a Github Gist for ARB SUI. An ERC-20 token deployed on Arbitrum Network
/**
*Submitted for verification at Arbiscan on 2023-02-22
*/
// TWITTER: https://twitter.com/ARBSUI
// Telegram: https://t.me/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.5;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: 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, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: 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;
}
}
interface ERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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
);
}
abstract contract Ownable {
address internal owner;
constructor(address _owner) {
owner = _owner;
}
modifier onlyOwner() {
require(isOwner(msg.sender), "!OWNER");
_;
}
function isOwner(address account) public view returns (bool) {
return account == owner;
}
function renounceOwnership() public onlyOwner {
owner = address(0);
emit OwnershipTransferred(address(0));
}
event OwnershipTransferred(address owner);
}
interface IDEXFactory {
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
}
interface IDEXRouter {
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 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;
}
contract Trump2024Token is ERC20, Ownable {
using SafeMath for uint256;
address routerAdress = 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506;
address DEAD = 0x000000000000000000000000000000000000dEaD;
string constant _name = "ARB SUI";
string constant _symbol = "ARBSUI";
uint8 constant _decimals = 9;
uint256 public _totalSupply = 1000000000 * (10 ** _decimals); // 1 billion total supply
uint256 public _maxWalletAmount = (_totalSupply * 10) / 100;
uint256 public _maxTxAmount = _totalSupply.mul(10).div(100); //10%
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) isFeeExempt;
mapping(address => bool) isTxLimitExempt;
uint256 liquidityFee = 5; // 5% marketing fee
uint256 marketingFee = 5; // 5% marketing fee
uint256 totalFee = liquidityFee + marketingFee;
uint256 feeDenominator = 100;
address public marketingFeeReceiver =
0x05013BB97c157ad59CacE1632aaa4BA85Cf17819;
IDEXRouter public router;
address public pair;
bool public swapEnabled = true;
uint256 public swapThreshold = (_totalSupply / 1000) * 5; // 0.5%
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
constructor() Ownable(msg.sender) {
router = IDEXRouter(routerAdress);
pair = IDEXFactory(router.factory()).createPair(
router.WETH(),
address(this)
);
_allowances[address(this)][address(router)] = type(uint256).max;
address _owner = owner;
isFeeExempt[0x05013BB97c157ad59CacE1632aaa4BA85Cf17819] = true;
isTxLimitExempt[_owner] = true;
isTxLimitExempt[0x05013BB97c157ad59CacE1632aaa4BA85Cf17819] = true;
isTxLimitExempt[DEAD] = true;
_balances[_owner] = _totalSupply;
emit Transfer(address(0), _owner, _totalSupply);
}
receive() external payable {}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function decimals() external pure override returns (uint8) {
return _decimals;
}
function symbol() external pure override returns (string memory) {
return _symbol;
}
function name() external pure override returns (string memory) {
return _name;
}
function getOwner() external view override returns (address) {
return owner;
}
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 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) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender]
.sub(amount, "Insufficient Allowance");
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
if (recipient != pair && recipient != DEAD) {
require(
isTxLimitExempt[recipient] ||
_balances[recipient] + amount <= _maxWalletAmount,
"Transfer amount exceeds the bag size."
);
}
if (shouldSwapBack()) {
swapBack();
}
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
uint256 amountReceived = shouldTakeFee(sender)
? takeFee(sender, amount)
: amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
_balances[sender] = _balances[sender].sub(
amount,
"Insufficient Balance"
);
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function shouldTakeFee(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function takeFee(
address sender,
uint256 amount
) internal returns (uint256) {
uint256 feeAmount = amount.mul(totalFee).div(feeDenominator);
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
return amount.sub(feeAmount);
}
function shouldSwapBack() internal view returns (bool) {
return
msg.sender != pair &&
!inSwap &&
swapEnabled &&
_balances[address(this)] >= swapThreshold;
}
function swapBack() internal swapping {
uint256 contractTokenBalance = swapThreshold;
uint256 amountToLiquify = contractTokenBalance
.mul(liquidityFee)
.div(totalFee)
.div(2);
uint256 amountToSwap = contractTokenBalance.sub(amountToLiquify);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
uint256 balanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 amountETH = address(this).balance.sub(balanceBefore);
uint256 totalETHFee = totalFee.sub(liquidityFee.div(2));
uint256 amountETHLiquidity = amountETH
.mul(liquidityFee)
.div(totalETHFee)
.div(2);
uint256 amountETHMarketing = amountETH.mul(marketingFee).div(
totalETHFee
);
(bool MarketingSuccess /* bytes memory data */, ) = payable(
0x05013BB97c157ad59CacE1632aaa4BA85Cf17819
).call{value: amountETHMarketing, gas: 30000}("");
require(MarketingSuccess, "receiver rejected ETH transfer");
if (amountToLiquify > 0) {
router.addLiquidityETH{value: amountETHLiquidity}(
address(this),
amountToLiquify,
0,
0,
0x05013BB97c157ad59CacE1632aaa4BA85Cf17819,
block.timestamp
);
emit AutoLiquify(amountETHLiquidity, amountToLiquify);
}
}
function buyTokens(uint256 amount, address to) internal swapping {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = address(this);
router.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: amount
}(0, path, to, block.timestamp);
}
function clearStuckBalance() external {
payable(0x05013BB97c157ad59CacE1632aaa4BA85Cf17819).transfer(
address(this).balance
);
}
function setWalletLimit(uint256 amountPercent) external onlyOwner {
_maxWalletAmount = (_totalSupply * amountPercent) / 1000;
}
function setFee(
uint256 _liquidityFee,
uint256 _marketingFee
) external onlyOwner {
liquidityFee = _liquidityFee;
marketingFee = _marketingFee;
totalFee = liquidityFee + marketingFee;
}
event AutoLiquify(uint256 amountETH, uint256 amountBOG);
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment