Contract Source Code:
File 1 of 1 : DILLONCOIN
// SPDX-License-Identifier: MIT
/**http://t.me/dilloncoin
https://twitter.com/dilloncoin
*/
pragma solidity 0.8.13;
interface IERC20 {
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);
event Burn(address indexed from, address indexed to, uint256 value);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
address ZERO = 0x0000000000000000000000000000000000000000;
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(ZERO);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != ZERO, "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
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 DILLONCOIN is IERC20, Ownable {
address private WETH;
string private constant _name = "Dillon Coin";
string private constant _symbol = "DLLN";
uint8 private constant _decimals = 18;
uint256 public _totalSupply = 1 * 10**9 * (10 ** _decimals);
uint256 public swapThreshold = _totalSupply / 1000; // Starting at 0.1%
uint256 public maxWallet = _totalSupply / 50; // Starting at 2%
mapping (address => uint256) private _balances;
mapping (address => mapping(address => uint256)) private _allowances;
mapping (address => bool) public isFeeExempt;
mapping(address => bool) public isWalletExempt;
address DEAD = 0x000000000000000000000000000000000000dEaD;
uint[2] taxesCollected = [0, 0];
uint256 public launchedAt;
address public liquidityPool = 0x4dD97E73337FE5c8DE3277797A39E1b4859B246a;
// All fees are in basis points (100 = 1%)
uint256 private buyMkt = 100;
uint256 private sellMkt = 400;
uint256 private buyLP = 100;
uint256 private sellLP = 100;
uint256 _baseBuyFee = buyMkt + buyLP;
uint256 _baseSellFee = sellMkt + sellLP;
IDEXRouter public router;
address public pair;
address public factory;
address public marketingWallet = payable(0x0BB04ec742985B3A96afA9EEe6B0a9Dbd9f98B1e);
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
bool public tradingOpen = false;
//Event Logs
event LiquidityPoolUpdated(address indexed _newPool);
event MarketingWalletUpdated(address indexed _newWallet);
event RouterUpdated(IDEXRouter indexed _newRouter);
event BuyFeesUpdated(uint256 _newMkt, uint256 _newLp);
event SellFeesUpdated(uint256 _neMkt, uint256 _newLp);
event FeeExemptionChanged(address indexed _exemptAddress, bool _exempt);
event SwapbackSettingsChanged(bool _enabled, uint256 _newSwapbackAmount);
event MaxWalletUpdated(uint256 _newMaxWallet);
event WalletExemptionChanged(address indexed _exemptAddress, bool _exempt);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor() {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
WETH = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
_allowances[address(this)][address(router)] = type(uint256).max;
isFeeExempt[owner()] = true;
isFeeExempt[marketingWallet] = true;
isFeeExempt[address(this)] = true;
isWalletExempt[owner()] = true;
isWalletExempt[marketingWallet] = true;
isWalletExempt[DEAD] = true;
isWalletExempt[pair] = true;
_balances[owner()] = _totalSupply;
emit Transfer(address(0), owner(), _totalSupply);
}
receive() external payable { }
function launchSequence() external onlyOwner {
require(launchedAt == 0, "Already launched");
launchedAt = block.number;
tradingOpen = true;
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply - balanceOf(DEAD) - balanceOf(ZERO);
}
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 baseBuyFee() external view returns (uint256) {return _baseBuyFee; }
function baseSellFee() external view returns (uint256) {return _baseSellFee; }
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);
}
//Transfer Functions
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transfer(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] - amount;
}
return _transfer(sender, recipient, amount);
}
function _transfer(address sender, address recipient, uint256 amount) internal returns (bool) {
require(sender != address(0), "BEP20: transfer from the zero address");
require(recipient != address(0), "BEP20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
if(!isFeeExempt[sender] && !isFeeExempt[recipient]) { require(tradingOpen, "Trading not active"); }
if(!isWalletExempt[recipient]) {
require(_balances[recipient] + amount <= maxWallet || isFeeExempt[sender], "Exceeds Max Wallet");
}
if(inSwapAndLiquify){ return _basicTransfer(sender, recipient, amount); }
if(msg.sender != pair && !inSwapAndLiquify && swapAndLiquifyEnabled && _balances[address(this)] >= swapThreshold){ swapBack(); }
_balances[sender] = _balances[sender] - amount;
uint256 finalAmount = !isFeeExempt[sender] && !isFeeExempt[recipient] ? takeFee(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient] + finalAmount;
emit Transfer(sender, recipient, finalAmount);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender] - amount;
_balances[recipient] = _balances[recipient] + amount;
emit Transfer(sender, recipient, amount);
return true;
}
//Tax Functions
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 mktTaxB = amount * buyMkt / 10000;
uint256 mktTaxS = amount * sellMkt / 10000;
uint256 lpTaxB = amount * buyLP / 10000;
uint256 lpTaxS = amount * sellLP / 10000;
uint256 taxToGet;
if(sender == pair && recipient != address(pair) && !isFeeExempt[recipient]) {
taxToGet = mktTaxB + lpTaxB;
addTaxCollected(mktTaxB, lpTaxB);
}
if(!inSwapAndLiquify && sender != pair && tradingOpen) {
taxToGet = mktTaxS + lpTaxS;
addTaxCollected(mktTaxS, lpTaxS);
}
_balances[address(this)] = _balances[address(this)] + taxToGet;
emit Transfer(sender, address(this), taxToGet);
return amount - taxToGet;
}
function addTaxCollected(uint mkt, uint lp) internal {
taxesCollected[0] += mkt;
taxesCollected[1] += lp;
}
//LP and Swapback Functions
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
approve(address(this), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
router.addLiquidityETH{value: ETHAmount}(
address(this),
tokenAmount,
0,
0,
liquidityPool,
block.timestamp
);
}
function swapBack() internal lockTheSwap {
uint256 tokenBalance = _balances[address(this)];
uint256 _totalCollected = taxesCollected[0] + taxesCollected[1];
uint256 mktShare = taxesCollected[0];
uint256 lpShare = taxesCollected[1];
uint256 tokensForLiquidity = lpShare / 2;
uint256 amountToSwap = tokenBalance - tokensForLiquidity;
swapTokensForETH(amountToSwap);
uint256 totalETHBalance = address(this).balance;
uint256 ETHForMkt = totalETHBalance * mktShare / _totalCollected;
uint256 ETHForLiquidity = totalETHBalance * lpShare / _totalCollected / 2;
if (totalETHBalance > 0) {
payable(marketingWallet).transfer(ETHForMkt);
}
if (tokensForLiquidity > 0) {
addLiquidity(tokensForLiquidity, ETHForLiquidity);
}
delete taxesCollected;
}
function manualSwapBack() external onlyOwner {
swapBack();
}
// Update/Change Functions
function changeFeeExempt(address holder, bool exempt) external onlyOwner {
isFeeExempt[holder] = exempt;
emit FeeExemptionChanged(holder, exempt);
}
function changeWalletExempt(address holder, bool exempt) external onlyOwner {
isWalletExempt[holder] = exempt;
emit WalletExemptionChanged(holder, exempt);
}
function setMarketingWallet(address payable newMarketingWallet) external onlyOwner {
require(newMarketingWallet != address(0), "Cannot be set to zero address");
marketingWallet = payable(newMarketingWallet);
isFeeExempt[marketingWallet] = true;
isWalletExempt[marketingWallet] = true;
emit MarketingWalletUpdated(newMarketingWallet);
}
function setLiquidityPool(address newLiquidityPool) external onlyOwner {
require(newLiquidityPool != address(0), "Cannot be set to zero address");
liquidityPool = newLiquidityPool;
emit LiquidityPoolUpdated(newLiquidityPool);
}
function changeSwapBackSettings(bool enableSwapback, uint256 newSwapbackLimit) external onlyOwner {
swapAndLiquifyEnabled = enableSwapback;
swapThreshold = newSwapbackLimit;
emit SwapbackSettingsChanged(enableSwapback, newSwapbackLimit);
}
function updateMaxWallet(uint256 newMaxWallet) public onlyOwner {
require(newMaxWallet >= (_totalSupply / 200), "Max should be greater than 0.5%");
maxWallet = newMaxWallet;
emit MaxWalletUpdated(newMaxWallet);
}
function updateBuyFees(uint256 newBuyMktFee, uint256 newBuyLpFee) public onlyOwner {
require(newBuyMktFee + newBuyLpFee <= 1000, "Fees Too High");
buyMkt = newBuyMktFee;
buyLP = newBuyLpFee;
emit BuyFeesUpdated(newBuyMktFee, newBuyLpFee);
}
function updateSellFees(uint256 newSellMktFee,uint256 newSellLpFee) public onlyOwner {
require(newSellMktFee + newSellLpFee <= 1000, "Fees Too High");
sellMkt = newSellMktFee;
sellLP = newSellLpFee;
emit SellFeesUpdated(newSellMktFee, newSellLpFee);
}
function updateRouter(IDEXRouter _newRouter) external onlyOwner {
require(_newRouter != IDEXRouter(ZERO), "Cannot be set to zero address");
require(_newRouter != IDEXRouter(DEAD), "Cannot be set to zero address");
router = _newRouter;
emit RouterUpdated(_newRouter);
}
function clearStuckETH() external onlyOwner {
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
payable(marketingWallet).transfer(contractETHBalance);
}
}
function clearStuckTokens(address contractAddress) external onlyOwner {
IERC20 erc20Token = IERC20(contractAddress);
uint256 balance = erc20Token.balanceOf(address(this));
erc20Token.transfer(marketingWallet, balance);
if(contractAddress == address(this)) { delete taxesCollected; }
}
function massDistributeTokens(address[] calldata _airdropAddresses, uint _amtPerAddress) external onlyOwner {
uint amtPerAddress = _amtPerAddress * (10 ** _decimals);
for (uint i = 0; i < _airdropAddresses.length; i++) {
IERC20(address(this)).transfer(_airdropAddresses[i], amtPerAddress);
}
}
function distributeTokensByAmount(address[] calldata _airdropAddresses, uint[] calldata _airdropAmounts) external onlyOwner {
for (uint i = 0; i < _airdropAddresses.length; i++) {
uint airdropAmount = _airdropAmounts[i] * (10 ** _decimals);
IERC20(address(this)).transfer(_airdropAddresses[i], airdropAmount);
}
}
}