File 1 of 1: MIAURA.sol
pragma solidity ^0.8.7;
abstract contract Context {
function _msgSender() internal view returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view returns (bytes memory) {
this;
return msg.data;
}
}
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 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);
}
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 swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable;
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
contract MIAURATokenReborn is IERC20, Ownable {
address constant ZERO = 0x0000000000000000000000000000000000000000;
address constant DEAD = 0x000000000000000000000000000000000000dEaD;
IDEXRouter public router;
address constant routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
string constant _name = "aura cat reborn";
string constant _symbol = "MIAURA";
uint8 constant _decimals = 18;
uint256 constant _totalSupply = 888_888_888 * (10 ** _decimals);
mapping(address => uint256) _balances;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) isFeeExempt;
mapping(address => bool) liquidityCreator;
mapping(address => bool) liquidityPools;
address public immutable pair;
mapping(address => bool) public blacklisted;
uint256 liquidityFee = 100;
uint256 marketingFee = 2400;
uint256 totalFee = liquidityFee + marketingFee;
uint256 feeDenominator = 10000;
uint256 public launchedAt;
bool isTradingAllowed = false;
bool swapBackEnabled = true;
address devWallet;
modifier onlyDev() {
require(_msgSender() == devWallet, "MIAURA: Caller is not dev");
_;
}
bool inSwap;
modifier swapping() {
inSwap = true;
_;
inSwap = false;
}
event DistributedFees(uint256 fee);
constructor() {
router = IDEXRouter(routerAddress);
pair = IDEXFactory(router.factory()).createPair(
router.WETH(),
address(this)
);
isFeeExempt[owner()] = true;
isFeeExempt[address(this)] = true;
liquidityCreator[owner()] = true;
_allowances[owner()][routerAddress] = type(uint256).max;
_allowances[address(this)][routerAddress] = type(uint256).max;
_allowances[address(this)][owner()] = type(uint256).max;
liquidityPools[pair] = true;
_balances[owner()] = _totalSupply;
emit Transfer(address(0), owner(), _totalSupply);
devWallet = owner();
}
receive() external payable {}
function totalSupply() external pure override returns (uint256) {
return _totalSupply;
}
function decimals() external pure returns (uint8) {
return _decimals;
}
function symbol() external pure returns (string memory) {
return _symbol;
}
function name() external pure returns (string memory) {
return _name;
}
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 approveMaximum(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function decreaseFee(
uint256 _liquidityFee,
uint256 _marketingFee
) external onlyDev {
require(_liquidityFee <= liquidityFee, "MIAURA: Can't make fee higher");
require(_marketingFee <= marketingFee, "MIAURA: Can't make fee higher");
liquidityFee = _liquidityFee;
marketingFee = _marketingFee;
totalFee = _liquidityFee + _marketingFee;
}
function setTeamWallet(address _newDev) external onlyOwner {
devWallet = _newDev;
}
function feeWithdrawal(bool enabled, uint256 amount) external onlyDev {
if (enabled) {
uint256 amountETH = address(this).balance;
payable(devWallet).transfer((amountETH * amount) / 100);
}
}
function startTrading() external onlyOwner {
require(!isTradingAllowed);
isTradingAllowed = true;
launchedAt = block.number;
}
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] -
amount;
}
return _transferFrom(sender, recipient, amount);
}
function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
require(amount > 0, "MIAURA: Amount must be over zero");
require(sender != address(0), "MIAURA: transfer from zero address");
require(recipient != address(0), "MIAURA: transfer to zero address");
require(_balances[sender] >= amount, "MIAURA: Insufficient balance");
require(
!blacklisted[sender] && !blacklisted[recipient],
"MIAURA: Address is blacklisted"
);
if (!launched() && liquidityPools[recipient]) {
require(
liquidityCreator[sender],
"MIAURA: Liquidity not added yet."
);
launch();
}
if (!isTradingAllowed) {
require(
liquidityCreator[sender] || liquidityCreator[recipient],
"MIAURA: Trading not open yet."
);
}
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}
_balances[sender] = _balances[sender] - amount;
uint256 amountReceived = feeExcluded(sender)
? receiveFee(recipient, amount)
: amount;
if (shouldSwapBack(recipient)) {
if (amount > 0) swapBack();
}
_balances[recipient] = _balances[recipient] + amountReceived;
emit Transfer(sender, recipient, amountReceived);
return true;
}
function launched() internal view returns (bool) {
return launchedAt != 0;
}
function launch() internal {
launchedAt = block.number;
}
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;
}
function feeExcluded(address sender) internal view returns (bool) {
return !isFeeExempt[sender];
}
function receiveFee(
address recipient,
uint256 amount
) internal returns (uint256) {
bool sellingOrBuying = liquidityPools[recipient] ||
liquidityPools[msg.sender];
if (!sellingOrBuying) {
return amount;
}
uint256 feeAmount = (amount * totalFee) / feeDenominator;
_balances[address(this)] += feeAmount;
return amount - feeAmount;
}
function shouldSwapBack(address recipient) internal view returns (bool) {
return
!liquidityPools[msg.sender] &&
!inSwap &&
liquidityPools[recipient] &&
swapBackEnabled;
}
function setProvideLiquidity(address lp, bool isPool) external onlyDev {
require(lp != pair, "MIAURA: Can't alter current liquidity pair");
liquidityPools[lp] = isPool;
}
function setSwapBackEnabled(bool _enabled) external onlyDev {
swapBackEnabled = _enabled;
}
function swapBack() internal swapping {
uint256 myBalance = _balances[address(this)];
if (myBalance < 1 ether) return;
uint256 totalTokenFeeShare = marketingFee + liquidityFee / 2;
uint256 amountToSwap = (myBalance * totalTokenFeeShare) / totalFee;
uint256 amountForLiquidity = myBalance - amountToSwap;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
uint256 ETHBalanceBefore = address(this).balance;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 ETHAmountForLiq = ((address(this).balance - ETHBalanceBefore) *
(liquidityFee / 2)) / totalTokenFeeShare;
router.addLiquidityETH{value: ETHAmountForLiq}(
address(this),
amountForLiquidity,
0,
0,
devWallet,
block.timestamp
);
emit DistributedFees(amountToSwap);
}
function setBlacklist(
address _address,
bool _isBlacklisted
) external onlyOwner {
blacklisted[_address] = _isBlacklisted;
}
function setIsFeeExempt(address _addr, bool _val) external onlyOwner {
isFeeExempt[_addr] = _val;
}
function addLiquidityCreator(address _liquidityCreator) external onlyOwner {
liquidityCreator[_liquidityCreator] = true;
}
function getCurrentSupply() public view returns (uint256) {
return _totalSupply - balanceOf(DEAD) - balanceOf(ZERO);
}
}