Contract Source Code:
File 1 of 1 : KIMPSONS
/*
.----------------. .----------------. .----------------. .----------------. .----------------. .----------------. .-----------------. .----------------.
| .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. || .--------------. |
| | ___ ____ | || | _____ | || | ____ ____ | || | ______ | || | _______ | || | ____ | || | ____ _____ | || | _______ | |
| | |_ ||_ _| | || | |_ _| | || ||_ \ / _|| || | |_ __ \ | || | / ___ | | || | .' `. | || ||_ \|_ _| | || | / ___ | | |
| | | |_/ / | || | | | | || | | \/ | | || | | |__) | | || | | (__ \_| | || | / .--. \ | || | | \ | | | || | | (__ \_| | |
| | | __'. | || | | | | || | | |\ /| | | || | | ___/ | || | '.___`-. | || | | | | | | || | | |\ \| | | || | '.___`-. | |
| | _| | \ \_ | || | _| |_ | || | _| |_\/_| |_ | || | _| |_ | || | |`\____) | | || | \ `--' / | || | _| |_\ |_ | || | |`\____) | | |
| | |____||____| | || | |_____| | || ||_____||_____|| || | |_____| | || | |_______.' | || | `.____.' | || ||_____|\____| | || | |_______.' | |
| | | || | | || | | || | | || | | || | | || | | || | | |
| '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' || '--------------' |
'----------------' '----------------' '----------------' '----------------' '----------------' '----------------' '----------------' '----------------'
Website: https://KAWSETH.io/
Twitter: https://twitter.com/KIMPSONSETH
Telegram: https://t.me/KIMPSONS
https://www.reddit.com/user/Kimpsons/
*/
// SPDX-License-Identifier: MIT
// File: contracts/interfaces/IUniswapV2Factory.sol
pragma solidity 0.8.23;
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
// File: contracts/interfaces/IUniswapV2Router.sol
pragma solidity 0.8.23;
interface IUniswapV2Router {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] memory amounts);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
}
// File: @openzeppelin/contracts/interfaces/draft-IERC6093.sol
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
interface IERC20Errors {
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
error ERC20InvalidSender(address sender);
error ERC20InvalidReceiver(address receiver);
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
error ERC20InvalidApprover(address approver);
error ERC20InvalidSpender(address spender);
}
interface IERC721Errors {
error ERC721InvalidOwner(address owner);
error ERC721NonexistentToken(uint256 tokenId);
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
error ERC721InvalidSender(address sender);
error ERC721InvalidReceiver(address receiver);
error ERC721InsufficientApproval(address operator, uint256 tokenId);
error ERC721InvalidApprover(address approver);
error ERC721InvalidOperator(address operator);
}
interface IERC1155Errors {
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
error ERC1155InvalidSender(address sender);
error ERC1155InvalidReceiver(address receiver);
error ERC1155MissingApprovalForAll(address operator, address owner);
error ERC1155InvalidApprover(address approver);
error ERC1155InvalidOperator(address operator);
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
abstract contract Ownable is Context {
address private _owner;
error OwnableUnauthorizedAccount(address account);
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
// File: @openzeppelin/contracts/token/ERC20/ERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => 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() public view virtual returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return 18;
}
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}
pragma solidity 0.8.23;
contract KIMPSONS is ERC20, Ownable {
address private marketingWallet;
uint16 public buyFee = 0;
uint16 public sellFee = 0;
uint256 public swapTokensAtAmount = 30_000 * 1e18;
bool private _distributingFees;
mapping(address => bool) private _excludedFromFees;
bool public limitsInEffect = true;
uint256 public maxWalletBalance = 1_035_000 * 1e18; // 1.5% of Tokens
mapping(address => bool) private _excludedFromMaxWalletBalance;
address public immutable uniV2Pair;
IUniswapV2Router public constant uniV2Router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
bool public tradingEnabled;
event LimitsRemoved();
event TradingEnabled();
event BuyFeeSet(uint16 newBuyFee);
event SellFeeSet(uint16 newSellFee);
event MarketingWalletUpdated(address newAddress);
event SwapTokensAtAmountSet(uint256 newSwapTokensAtAmount);
event FeesDistributed(uint256 totalTokensDistributed);
constructor() ERC20("KIMPSONS", "KAWS") Ownable(msg.sender) {
uniV2Pair = IUniswapV2Factory(uniV2Router.factory()).createPair(address(this), uniV2Router.WETH());
_excludedFromMaxWalletBalance[uniV2Pair] = true;
_excludedFromFees[owner()] = true;
marketingWallet = owner();
_mint(owner(), 69_000_000 * 1e18);
_approve(address(this), address(uniV2Router), type(uint256).max);
}
receive() external payable {}
function _transfer(address from, address to, uint256 amount) internal override {
require(amount > 0, "KIMPSONS: transfer amount must be greater than 0");
// Check if trading has been enabled
if (!tradingEnabled) {
require(from == owner() || to == owner(), "KIMPSONS: trading has not been enabled yet");
}
// Max TX and Max Balance Limits
if (limitsInEffect) {
if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !_distributingFees) {
// On Buys
if (from == uniV2Pair && !_excludedFromMaxWalletBalance[to]) {
require(
amount + balanceOf(to) <= maxWalletBalance, "KIMPSONS: balance would exceed max wallet balance"
);
}
// On Transfers to non-excluded "to" address
else if (!_excludedFromMaxWalletBalance[to]) {
require(
amount + balanceOf(to) <= maxWalletBalance, "KIMPSONS: balance would exceed max wallet balance"
);
}
}
}
// Swap any tokens held as fees for ETH and distribute
bool shouldSwap = balanceOf(address(this)) >= swapTokensAtAmount;
if (shouldSwap && !_distributingFees && from != uniV2Pair && !_excludedFromFees[from] && !_excludedFromFees[to])
{
_distributingFees = true;
_distributeFees();
_distributingFees = false;
}
// Determine if we should take fees
bool takeFees = !_distributingFees;
if (_excludedFromFees[from] || _excludedFromFees[to]) {
takeFees = false;
}
uint256 fees = 0;
// Take Fees if necessary
if (takeFees) {
// Fees on buys
if (from == uniV2Pair && buyFee > 0) {
fees = (amount * buyFee) / 1_000;
}
// Fees on sells
else if (to == uniV2Pair && sellFee > 0) {
fees = (amount * sellFee) / 1_000;
}
// If there are fees to be taken, transfer and substract from amount
if (fees > 0) {
super._transfer(from, address(this), fees);
amount -= fees;
}
}
// Make final transfer
super._transfer(from, to, amount);
}
function _distributeFees() private {
// Determine amount of held fees to distribute
uint256 tokensToDistribute = balanceOf(address(this));
if (tokensToDistribute > swapTokensAtAmount * 20) {
tokensToDistribute = swapTokensAtAmount * 20;
}
// Swap tokens for ETH
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniV2Router.WETH();
try uniV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokensToDistribute, 0, path, address(this), block.timestamp
) {} catch {}
// Send ETH to Marketing
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
(bool success,) = marketingWallet.call{value: ethBalance}("");
if (success) {
emit FeesDistributed(tokensToDistribute);
}
}
}
function isExcludedFromFees(address account) public view returns (bool) {
return _excludedFromFees[account];
}
function isExcludedFromMaxWalletBalance(address account) public view returns (bool) {
return _excludedFromMaxWalletBalance[account];
}
function enableTrading() external onlyOwner {
tradingEnabled = true;
emit TradingEnabled();
}
function updateMarketingWallet(address newAddress) external onlyOwner {
require(newAddress != address(0), "KIMPSONS: address cannot be 0 address");
marketingWallet = newAddress;
emit MarketingWalletUpdated(newAddress);
}
function removeLimits() external onlyOwner {
limitsInEffect = false;
emit LimitsRemoved();
}
function setSwapTokensAtAmount(uint256 newSwapTokensAtAmount) external onlyOwner {
require(
newSwapTokensAtAmount >= totalSupply() / 69_000,
"KIMPSONS: swap tokens at amount cannot be lower than 0.001% of total supply"
);
require(
newSwapTokensAtAmount <= (totalSupply() * 5) / 1_000,
"KIMPSONS: swap tokens at amount cannot be higher than 0.5% of total supply"
);
swapTokensAtAmount = newSwapTokensAtAmount;
emit SwapTokensAtAmountSet(newSwapTokensAtAmount);
}
function setBuyFee(uint16 newBuyFee) external onlyOwner {
require(newBuyFee <= 400, "KIMPSONS: fee cannot be greater than 40%");
buyFee = newBuyFee;
emit BuyFeeSet(newBuyFee);
}
function setSellFee(uint16 newSellFee) external onlyOwner {
require(newSellFee <= 400, "KIMPSONS: fee cannot be greater than 40%");
sellFee = newSellFee;
emit SellFeeSet(newSellFee);
}
function setExcludedFromFees(address account, bool excluded) external onlyOwner {
_excludedFromFees[account] = excluded;
}
function setExcludedFromMaxWalletBalance(address account, bool excluded) external onlyOwner {
_excludedFromMaxWalletBalance[account] = excluded;
}
function setFees(uint16 newSellFee, uint16 newBuyFee) external onlyOwner {
require(newSellFee <= 400 && newBuyFee <=400, "KIMPSONS fee cannot be greater than 40%");
sellFee = newSellFee;
buyFee = newBuyFee;
emit SellFeeSet(newSellFee);
emit BuyFeeSet(newBuyFee);
}
}