Contract Source Code:
File 1 of 1 : QUOKKAINU
/**
QUOKKA INU
Quokka - The Happiest Animal on Earth!
https://twitter.com/____b_s____/status/1586501917554855936?s=46&t=Mmg7gStShB8X41Bt5XPv7g
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
interface IERC20 {
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);
}
library Address {
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
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() {
_setOwner(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
_setOwner(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");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract QUOKKAINU is Context,IERC20, Ownable{
using Address for address;
string private _name = "QUOKKAINU";
string private _symbol = "QUOKKA";
uint8 private _decimals = 18;
uint256 totalFeeFortx = 0;
uint256 maxWalletTreshold = 3;
uint256 maxTxTreshold = 1;
uint256 private swapTreshold =1;
uint256 private currentThreshold = 20; //Once the token value goes up this number can be decreased (To reduce price impact on asset)
uint256 private _totalSupply = (10000000 * 10**4) * 10**_decimals; //
uint256 public requiredTokensToSwap = _totalSupply * swapTreshold /1000;
mapping (address => uint256) private _balances;
mapping (address => bool) private _excludedFromFees;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public automatedMarketMakerPairs;
address _owner;
address payable public marketingAddress = payable(0x20fdaea2AB5fe5D28781101620F25cbD21a1dA42);
uint256 maxWalletAmount = _totalSupply*maxWalletTreshold/300; // starting 3%
uint256 maxTxAmount = _totalSupply*maxTxTreshold/100;
mapping (address => bool) botWallets;
bool botTradeEnabled = false;
bool checkWalletSize = true;
mapping (address => bool) private _liquidityHolders;
mapping (address => bool) private presaleAddresses;
//Taxes and more
uint256 private buyliqFee = 2; //1
uint256 private buyprevLiqFee = 2;
uint256 private buymktFee = 4;//4
uint256 private buyPrevmktFee = 4;
uint256 QUOKKADaycooldown = 0;
bool private tradeEnabled = false;
uint256 private sellliqFee = 2;
uint256 private sellprevLiqFee = 2;
uint256 private sellmktFee = 6;
uint256 private sellPrevmktFee = 6;
bool public inSwapAndLiquify;
bool public swapAndLiquifyEnabled = true;
address public immutable deadAddress = 0x000000000000000000000000000000000000dEaD;
uint256 private mktTokens = 0;
uint256 private liqTokens = 0;
event SwapAndLiquify(uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);
event tokensSwappedDuringTokenomics(uint256 amount);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
// 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
IUniswapV2Router02 _router;
address public uniswapV2Pair;
//Balances tracker
modifier lockTheSwap{
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor(){
_balances[_msgSender()] = _totalSupply;
//0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D mainnet and all networks
IUniswapV2Router02 _uniRouter = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniRouter.factory())
.createPair(address(this), _uniRouter.WETH());
_excludedFromFees[owner()] = true;
_excludedFromFees[address(this)] = true;// exclude owner and contract instance from fees
_router = _uniRouter;
_liquidityHolders[address(_router)] = true;
_liquidityHolders[owner()] = true;
_liquidityHolders[address(this)] = true;
_setAutomatedMarketMakerPair(address(uniswapV2Pair), true);
emit Transfer(address(0),_msgSender(),_totalSupply);
}
receive() external payable{}
//general token data and tracking of balances to be swapped.
function getOwner()external view returns(address){
return owner();
}
function currentmktTokens() external view returns (uint256){
return mktTokens;
}
function currentLiqTokens() external view returns (uint256){
return liqTokens;
}
function totalSupply() external view override returns (uint256){
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256){
return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool){
_transfer(_msgSender(),recipient,amount);
return true;
}
function allowance(address owner, address spender) external view override returns (uint256){
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool){
_approve(_msgSender(),spender,amount);
return true;
}
function decimals()external view returns(uint256){
return _decimals;
}
function name() external view returns (string memory) {
return _name;
}
function symbol() external view returns (string memory){
return _symbol;
}
function updateMaxTxTreshold(uint256 newVal) public onlyOwner{
maxTxTreshold = newVal;
maxTxAmount = _totalSupply*maxTxTreshold/100;// 1%
}
function updateMaxWalletTreshold(uint256 newVal) public onlyOwner{
maxWalletTreshold = newVal;
maxWalletAmount = _totalSupply*maxWalletTreshold/300;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public override returns (bool){
require(amount <= _allowances[sender][_msgSender()], "ERC20: transfer amount exceeds allowance");
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
return true;
}
//Tokenomics related functions
function QUOKKADay() public onlyOwner{
require(block.timestamp > QUOKKADaycooldown, "You cant call QUOKKACoinDay more than once a day");
buyPrevmktFee = buymktFee;
buyprevLiqFee = buyliqFee;
buyliqFee = 0;
buymktFee = 0;
}
function QUOKKACoinDayOver() public onlyOwner{
buyliqFee = buyprevLiqFee;
buymktFee = buyPrevmktFee;
QUOKKADaycooldown = block.timestamp + 86400;
}
function addBotWallet (address payable detectedBot, bool isBot) public onlyOwner{
botWallets[detectedBot] = isBot;
}
function currentbuyliqFee() public view returns (uint256){
return buyliqFee;
}
function currentbuymktfee() public view returns (uint256){
return buymktFee;
}
function currentsellLiqFee() public view returns (uint256){
return sellliqFee;
}
function currentsellmktfee() public view returns (uint256){
return sellmktFee;
}
function currentThresholdInt()public view returns (uint256){
return currentThreshold;
}
function isExcluded(address toCheck)public view returns (bool){
return _excludedFromFees[toCheck];
}
function _transfer(address from, address to, uint256 amount) internal{
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0,"ERC20: transfered amount must be greater than zero");
uint256 senderBalance = _balances[from];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
if(tradeEnabled == false){
require(_liquidityHolders[to] || _liquidityHolders[from],"Cant trade, trade is disabled");
}
if(_liquidityHolders[to]==false && _liquidityHolders[from]==false){
require(amount <= maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
if(from == uniswapV2Pair){
require(balanceOf(to)+amount <= maxWalletAmount);
}
}
uint256 inContractBalance = balanceOf(address(this));
if(inContractBalance >=requiredTokensToSwap &&
!inSwapAndLiquify &&
from != uniswapV2Pair &&
swapAndLiquifyEnabled){
if(inContractBalance >= requiredTokensToSwap ){
inContractBalance = requiredTokensToSwap;
swapForTokenomics(inContractBalance);
}
}
bool takeFees = true;
if(_excludedFromFees[from] || _excludedFromFees[to]) {
totalFeeFortx = 0;
takeFees = false;
}
uint256 mktAmount = 0;
uint256 liqAmount = 0; // Amount to be added to liquidity.
if(takeFees){
//bot fees
if(botWallets[from] == true||botWallets[to]==true){
revert("No bots can trade");
}
//Selling fees
if (automatedMarketMakerPairs[to] && to != address(_router) ){
totalFeeFortx = 0;
mktAmount = amount * sellmktFee/100;
liqAmount = amount * sellliqFee/100;
totalFeeFortx = mktAmount + liqAmount;
}
//Buy Fees
else if(automatedMarketMakerPairs[from] && from != address(_router)) {
totalFeeFortx = 0;
mktAmount = amount * buymktFee/100;
liqAmount = amount * buyliqFee/100;
totalFeeFortx = mktAmount + liqAmount ;
}
}
_balances[from] = senderBalance - amount;
_balances[to] += amount - mktAmount - liqAmount;
if(liqAmount != 0) {
_balances[address(this)] += totalFeeFortx;
//tLiqTotal += liqAmount;
liqTokens += liqAmount;
mktTokens += mktAmount;
emit Transfer(from, address(this), totalFeeFortx);
}
emit Transfer(from, to,amount-totalFeeFortx);
}
function swapForTokenomics(uint256 balanceToswap) private lockTheSwap{
swapAndLiquify(liqTokens);
swapTokensForETHmkt(mktTokens);
emit tokensSwappedDuringTokenomics(balanceToswap);
mktTokens = 0;
liqTokens = 0;
}
function addLimitExempt(address newAddress)external onlyOwner{
_liquidityHolders[newAddress] = true;
}
function swapTokensForETHmkt(uint256 amount)private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _router.WETH();
_approve(address(this), address(_router), amount);
_router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amount,
0, // Accept any amount of ETH.
path,
marketingAddress,
block.timestamp
);
}
function unstuckTokens (IERC20 tokenToClear, address payable destination, uint256 amount) public onlyOwner{
//uint256 contractBalance = tokenToClear.balanceOf(address(this));
tokenToClear.transfer(destination, amount);
}
function unstuckETH(address payable destination) public onlyOwner{
uint256 ethBalance = address(this).balance;
payable(destination).transfer(ethBalance);
}
function tradeStatus(bool status) public onlyOwner{
tradeEnabled = status;
}
function swapAndLiquify(uint256 liqTokensPassed) private {
uint256 half = liqTokensPassed / 2;
uint256 otherHalf = liqTokensPassed - half;
uint256 initialBalance = address(this).balance;
swapTokensForETH(half);
uint256 newBalance = address(this).balance - (initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half,newBalance,otherHalf);
}
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, // Accept any amount of ETH.
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount,uint256 ethAmount) private{
_approve(address(this), address(_router), tokenAmount);
_router.addLiquidityETH{value:ethAmount}(
address(this),
tokenAmount,
0,
0,
deadAddress,// tr
block.timestamp
);
}
function _approve(address owner,address spender, uint256 amount) internal{
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);
}
//Fees related functions
function addToExcluded(address toExclude) public onlyOwner{
_excludedFromFees[toExclude] = true;
}
function removeFromExcluded(address toRemove) public onlyOwner{
_excludedFromFees[toRemove] = false;
}
function excludePresaleAddresses(address router, address presale) external onlyOwner {
_liquidityHolders[address(router)] = true;
_liquidityHolders[presale] = true;
presaleAddresses[address(router)] = true;
presaleAddresses[presale] = true;
}
function endPresaleStatus() public onlyOwner{
buymktFee = 4;
buyliqFee = 2;
sellmktFee = 4;
sellliqFee = 2;
setSwapAndLiquify(true);
}
function updateThreshold(uint newThreshold) public onlyOwner{
currentThreshold = newThreshold;
}
function setSwapAndLiquify(bool _enabled) public onlyOwner{
swapAndLiquifyEnabled = _enabled;
}
//Marketing related
function setMktAddress(address newAddress) external onlyOwner{
marketingAddress = payable(newAddress);
}
function transferAssetsETH(address payable to, uint256 amount) internal{
to.transfer(amount);
}
function setAutomatedMarketMakerPair(address pair, bool value) public onlyOwner {
require(pair != uniswapV2Pair, "The pair cannot be removed from automatedMarketMakerPairs");
_setAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function updatecurrentbuyliqFee(uint256 newAmount) public onlyOwner{
buyliqFee = newAmount;
}
function updatecurrentbuymktfee(uint256 newAmount) public onlyOwner{
buymktFee= newAmount;
}
function updatecurrentsellLiqFee(uint256 newAmount) public onlyOwner{
sellliqFee= newAmount;
}
function updatecurrentsellmktfee(uint256 newAmount)public onlyOwner{
sellmktFee= newAmount;
}
function currentMaxWallet() public view returns(uint256){
return maxWalletAmount;
}
function currentMaxTx() public view returns(uint256){
return maxTxAmount;
}
function updateSwapTreshold(uint256 newVal) public onlyOwner{
swapTreshold = newVal;
requiredTokensToSwap = _totalSupply*swapTreshold/1000;
}
function currentTradeStatus() public view returns (bool){
return tradeEnabled;
}
function currentSwapTreshold() public view returns(uint256){
return swapTreshold;
}
function currentTokensToSwap() public view returns(uint256){
return requiredTokensToSwap;
}
}
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;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
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);
}
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;
}