Contract Source Code:
// SPDX-License-Identifier: MIT
/*
https://t.me/ChadzPortal
https://chadz.xyz
*/
pragma solidity ^0.8.15;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
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
);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => 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 override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account)
public
view
virtual
override
returns (uint256)
{
return _balances[account];
}
function transfer(address recipient, uint256 amount)
public
virtual
override
returns (bool)
{
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender)
public
view
virtual
override
returns (uint256)
{
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount)
public
virtual
override
returns (bool)
{
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _createInitialSupply(address account, uint256 amount)
internal
virtual
{
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
// Overflow not possible: amount <= accountBalance <= totalSupply.
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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);
}
}
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() external 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;
}
}
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 swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
}
interface IDexFactory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
contract Chadz is ERC20, Ownable {
uint256 public maxBuyAmount;
uint256 public maxSellAmount;
uint256 public maxWalletAmount;
IDexRouter public dexRouter;
address public lpPair;
bool private swapping;
uint256 public swapTokensAtAmount;
address operationsAddress;
address devAddress;
uint256 public tradingActiveBlock = 0; // 0 means trading is not active
uint256 public blockForPenaltyEnd;
mapping(address => bool) public boughtEarly;
uint256 public botsCaught;
bool public limitsInEffect = true;
bool public tradingActive = false;
bool public swapEnabled = false;
// Anti-bot and anti-whale mappings and variables
mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch
bool public transferDelayEnabled = true;
uint256 public buyTotalFees;
uint256 public buyOperationsFee;
uint256 public buyLiquidityFee;
uint256 public buyDevFee;
uint256 public buyBurnFee;
uint256 public sellTotalFees;
uint256 public sellOperationsFee;
uint256 public sellLiquidityFee;
uint256 public sellDevFee;
uint256 public sellBurnFee;
uint256 public tokensForOperations;
uint256 public tokensForLiquidity;
uint256 public tokensForDev;
uint256 public tokensForBurn;
/******************/
// exlcude from fees and max transaction amount
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) public _isExcludedMaxTransactionAmount;
// store addresses that a automatic market maker pairs. Any transfer *to* these addresses
// could be subject to a maximum transfer amount
mapping(address => bool) public automatedMarketMakerPairs;
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event EnabledTrading();
event RemovedLimits();
event ExcludeFromFees(address indexed account, bool isExcluded);
event UpdatedMaxBuyAmount(uint256 newAmount);
event UpdatedMaxSellAmount(uint256 newAmount);
event UpdatedMaxWalletAmount(uint256 newAmount);
event UpdatedOperationsAddress(address indexed newWallet);
event MaxTransactionExclusion(address _address, bool excluded);
event BuyBackTriggered(uint256 amount);
event OwnerForcedSwapBack(uint256 timestamp);
event CaughtEarlyBuyer(address sniper);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);
event TransferForeignToken(address token, uint256 amount);
constructor() ERC20("Chadz N The Hood", "CHADZ") {
address newOwner = msg.sender; // can leave alone if owner is deployer.
IDexRouter _dexRouter = IDexRouter(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
dexRouter = _dexRouter;
// create pair
lpPair = IDexFactory(_dexRouter.factory()).createPair(
address(this),
_dexRouter.WETH()
);
_excludeFromMaxTransaction(address(lpPair), true);
_setAutomatedMarketMakerPair(address(lpPair), true);
uint256 totalSupply = 1 * 1e9 * 1e18;
maxBuyAmount = (totalSupply * 2) / 100;
maxSellAmount = (totalSupply * 2) / 100;
maxWalletAmount = (totalSupply * 2) / 100;
swapTokensAtAmount = (totalSupply * 5) / 10000;
buyOperationsFee = 20;
buyLiquidityFee = 0;
buyDevFee = 0;
buyBurnFee = 0;
buyTotalFees =
buyOperationsFee +
buyLiquidityFee +
buyDevFee +
buyBurnFee;
sellOperationsFee = 20;
sellLiquidityFee = 0;
sellDevFee = 0;
sellBurnFee = 0;
sellTotalFees =
sellOperationsFee +
sellLiquidityFee +
sellDevFee +
sellBurnFee;
_excludeFromMaxTransaction(newOwner, true);
_excludeFromMaxTransaction(address(this), true);
_excludeFromMaxTransaction(address(0xdead), true);
excludeFromFees(newOwner, true);
excludeFromFees(address(this), true);
excludeFromFees(address(0xdead), true);
operationsAddress = address(newOwner);
devAddress = address(newOwner);
_createInitialSupply(newOwner, totalSupply);
transferOwnership(newOwner);
}
receive() external payable {}
// only enable if no plan to airdrop
function enableTrading(uint256 deadBlocks) external onlyOwner {
require(!tradingActive, "Cannot reenable trading");
tradingActive = true;
swapEnabled = true;
tradingActiveBlock = block.number;
blockForPenaltyEnd = tradingActiveBlock + deadBlocks;
emit EnabledTrading();
}
// remove limits after token is stable
function removeLimits() external onlyOwner {
limitsInEffect = false;
transferDelayEnabled = false;
emit RemovedLimits();
}
function manageBoughtEarly(address wallet, bool flag) external onlyOwner {
boughtEarly[wallet] = flag;
}
function massManageBoughtEarly(address[] calldata wallets, bool flag)
external
onlyOwner
{
for (uint256 i = 0; i < wallets.length; i++) {
boughtEarly[wallets[i]] = flag;
}
}
// disable Transfer delay - cannot be reenabled
function disableTransferDelay() external onlyOwner {
transferDelayEnabled = false;
}
function updateMaxBuyAmount(uint256 newNum) external onlyOwner {
require(
newNum >= ((totalSupply() * 2) / 1000) / 1e18,
"Cannot set max buy amount lower than 0.2%"
);
maxBuyAmount = newNum * (10**18);
emit UpdatedMaxBuyAmount(maxBuyAmount);
}
function updateMaxSellAmount(uint256 newNum) external onlyOwner {
require(
newNum >= ((totalSupply() * 2) / 1000) / 1e18,
"Cannot set max sell amount lower than 0.2%"
);
maxSellAmount = newNum * (10**18);
emit UpdatedMaxSellAmount(maxSellAmount);
}
function updateMaxWalletAmount(uint256 newNum) external onlyOwner {
require(
newNum >= ((totalSupply() * 3) / 1000) / 1e18,
"Cannot set max wallet amount lower than 0.3%"
);
maxWalletAmount = newNum * (10**18);
emit UpdatedMaxWalletAmount(maxWalletAmount);
}
// change the minimum amount of tokens to sell from fees
function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
require(
newAmount >= (totalSupply() * 1) / 100000,
"Swap amount cannot be lower than 0.001% total supply."
);
require(
newAmount <= (totalSupply() * 1) / 1000,
"Swap amount cannot be higher than 0.1% total supply."
);
swapTokensAtAmount = newAmount;
}
function _excludeFromMaxTransaction(address updAds, bool isExcluded)
private
{
_isExcludedMaxTransactionAmount[updAds] = isExcluded;
emit MaxTransactionExclusion(updAds, isExcluded);
}
function airdropToWallets(
address[] memory wallets,
uint256[] memory amountsInTokens
) external onlyOwner {
require(
wallets.length == amountsInTokens.length,
"arrays must be the same length"
);
require(
wallets.length < 600,
"Can only airdrop 600 wallets per txn due to gas limits"
); // allows for airdrop + launch at the same exact time, reducing delays and reducing sniper input.
for (uint256 i = 0; i < wallets.length; i++) {
address wallet = wallets[i];
uint256 amount = amountsInTokens[i];
super._transfer(msg.sender, wallet, amount);
}
}
function excludeFromMaxTransaction(address updAds, bool isEx)
external
onlyOwner
{
if (!isEx) {
require(
updAds != lpPair,
"Cannot remove uniswap pair from max txn"
);
}
_isExcludedMaxTransactionAmount[updAds] = isEx;
}
function setAutomatedMarketMakerPair(address pair, bool value)
external
onlyOwner
{
require(
pair != lpPair,
"The pair cannot be removed from automatedMarketMakerPairs"
);
_setAutomatedMarketMakerPair(pair, value);
emit SetAutomatedMarketMakerPair(pair, value);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
automatedMarketMakerPairs[pair] = value;
_excludeFromMaxTransaction(pair, value);
emit SetAutomatedMarketMakerPair(pair, value);
}
function updateBuyFees(
uint256 _operationsFee,
uint256 _liquidityFee,
uint256 _DevFee,
uint256 _burnFee
) external onlyOwner {
buyOperationsFee = _operationsFee;
buyLiquidityFee = _liquidityFee;
buyDevFee = _DevFee;
buyBurnFee = _burnFee;
buyTotalFees =
buyOperationsFee +
buyLiquidityFee +
buyDevFee +
buyBurnFee;
require(buyTotalFees <= 20, "Must keep fees at 20% or less");
}
function updateSellFees(
uint256 _operationsFee,
uint256 _liquidityFee,
uint256 _DevFee,
uint256 _burnFee
) external onlyOwner {
sellOperationsFee = _operationsFee;
sellLiquidityFee = _liquidityFee;
sellDevFee = _DevFee;
sellBurnFee = _burnFee;
sellTotalFees =
sellOperationsFee +
sellLiquidityFee +
sellDevFee +
sellBurnFee;
require(sellTotalFees <= 20, "Must keep fees at 20% or less");
}
function returnToNormalTax() external onlyOwner {
sellOperationsFee = 20;
sellLiquidityFee = 0;
sellDevFee = 0;
sellBurnFee = 0;
sellTotalFees =
sellOperationsFee +
sellLiquidityFee +
sellDevFee +
sellBurnFee;
require(sellTotalFees <= 10, "Must keep fees at 10% or less");
buyOperationsFee = 20;
buyLiquidityFee = 0;
buyDevFee = 0;
buyBurnFee = 0;
buyTotalFees =
buyOperationsFee +
buyLiquidityFee +
buyDevFee +
buyBurnFee;
require(buyTotalFees <= 10, "Must keep fees at 10% or less");
}
function excludeFromFees(address account, bool excluded) public onlyOwner {
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "amount must be greater than 0");
if (!tradingActive) {
require(
_isExcludedFromFees[from] || _isExcludedFromFees[to],
"Trading is not active."
);
}
if (blockForPenaltyEnd > 0) {
require(
!boughtEarly[from] || to == owner() || to == address(0xdead),
"Bots cannot transfer tokens in or out except to owner or dead address."
);
}
if (limitsInEffect) {
if (
from != owner() &&
to != owner() &&
to != address(0) &&
to != address(0xdead) &&
!_isExcludedFromFees[from] &&
!_isExcludedFromFees[to]
) {
// at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch.
if (transferDelayEnabled) {
if (to != address(dexRouter) && to != address(lpPair)) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number - 2 &&
_holderLastTransferTimestamp[to] <
block.number - 2,
"_transfer:: Transfer Delay enabled. Try again later."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
_holderLastTransferTimestamp[to] = block.number;
}
}
//when buy
if (
automatedMarketMakerPairs[from] &&
!_isExcludedMaxTransactionAmount[to]
) {
require(
amount <= maxBuyAmount,
"Buy transfer amount exceeds the max buy."
);
require(
amount + balanceOf(to) <= maxWalletAmount,
"Cannot Exceed max wallet"
);
}
//when sell
else if (
automatedMarketMakerPairs[to] &&
!_isExcludedMaxTransactionAmount[from]
) {
require(
amount <= maxSellAmount,
"Sell transfer amount exceeds the max sell."
);
} else if (!_isExcludedMaxTransactionAmount[to]) {
require(
amount + balanceOf(to) <= maxWalletAmount,
"Cannot Exceed max wallet"
);
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (
canSwap &&
swapEnabled &&
!swapping &&
!automatedMarketMakerPairs[from] &&
!_isExcludedFromFees[from] &&
!_isExcludedFromFees[to]
) {
swapping = true;
swapBack();
swapping = false;
}
bool takeFee = true;
// if any account belongs to _isExcludedFromFee account then remove the fee
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
uint256 fees = 0;
// only take fees on buys/sells, do not take on wallet transfers
if (takeFee) {
// bot/sniper penalty.
if (
earlyBuyPenaltyInEffect() &&
automatedMarketMakerPairs[from] &&
!automatedMarketMakerPairs[to] &&
buyTotalFees > 0
) {
if (!boughtEarly[to]) {
boughtEarly[to] = true;
botsCaught += 1;
emit CaughtEarlyBuyer(to);
}
fees = (amount * 99) / 100;
tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
tokensForOperations += (fees * buyOperationsFee) / buyTotalFees;
tokensForDev += (fees * buyDevFee) / buyTotalFees;
tokensForBurn += (fees * buyBurnFee) / buyTotalFees;
}
// on sell
else if (automatedMarketMakerPairs[to] && sellTotalFees > 0) {
fees = (amount * sellTotalFees) / 100;
tokensForLiquidity += (fees * sellLiquidityFee) / sellTotalFees;
tokensForOperations +=
(fees * sellOperationsFee) /
sellTotalFees;
tokensForDev += (fees * sellDevFee) / sellTotalFees;
tokensForBurn += (fees * sellBurnFee) / sellTotalFees;
}
// on buy
else if (automatedMarketMakerPairs[from] && buyTotalFees > 0) {
fees = (amount * buyTotalFees) / 100;
tokensForLiquidity += (fees * buyLiquidityFee) / buyTotalFees;
tokensForOperations += (fees * buyOperationsFee) / buyTotalFees;
tokensForDev += (fees * buyDevFee) / buyTotalFees;
tokensForBurn += (fees * buyBurnFee) / buyTotalFees;
}
if (fees > 0) {
super._transfer(from, address(this), fees);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function earlyBuyPenaltyInEffect() public view returns (bool) {
return block.number < blockForPenaltyEnd;
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
// make the swap
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
// approve token transfer to cover all possible scenarios
_approve(address(this), address(dexRouter), tokenAmount);
// add the liquidity
dexRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
address(0xdead),
block.timestamp
);
}
function swapBack() private {
if (tokensForBurn > 0 && balanceOf(address(this)) >= tokensForBurn) {
_burn(address(this), tokensForBurn);
}
tokensForBurn = 0;
uint256 contractBalance = balanceOf(address(this));
uint256 totalTokensToSwap = tokensForLiquidity +
tokensForOperations +
tokensForDev;
if (contractBalance == 0 || totalTokensToSwap == 0) {
return;
}
if (contractBalance > swapTokensAtAmount * 20) {
contractBalance = swapTokensAtAmount * 20;
}
bool success;
// Halve the amount of liquidity tokens
uint256 liquidityTokens = (contractBalance * tokensForLiquidity) /
totalTokensToSwap /
2;
swapTokensForEth(contractBalance - liquidityTokens);
uint256 ethBalance = address(this).balance;
uint256 ethForLiquidity = ethBalance;
uint256 ethForOperations = (ethBalance * tokensForOperations) /
(totalTokensToSwap - (tokensForLiquidity / 2));
uint256 ethForDev = (ethBalance * tokensForDev) /
(totalTokensToSwap - (tokensForLiquidity / 2));
ethForLiquidity -= ethForOperations + ethForDev;
tokensForLiquidity = 0;
tokensForOperations = 0;
tokensForDev = 0;
tokensForBurn = 0;
if (liquidityTokens > 0 && ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
}
(success, ) = address(devAddress).call{value: ethForDev}("");
(success, ) = address(operationsAddress).call{
value: address(this).balance
}("");
}
function transferForeignToken(address _token, address _to)
external
onlyOwner
returns (bool _sent)
{
require(_token != address(0), "_token address cannot be 0");
require(_token != address(this), "Can't withdraw native tokens");
uint256 _contractBalance = IERC20(_token).balanceOf(address(this));
_sent = IERC20(_token).transfer(_to, _contractBalance);
emit TransferForeignToken(_token, _contractBalance);
}
// withdraw ETH if stuck or someone sends to the address
function withdrawStuckETH() external onlyOwner {
bool success;
(success, ) = address(msg.sender).call{value: address(this).balance}(
""
);
}
function setOperationsAddress(address _operationsAddress)
external
onlyOwner
{
require(
_operationsAddress != address(0),
"_operationsAddress address cannot be 0"
);
operationsAddress = payable(_operationsAddress);
}
function setDevAddress(address _devAddress) external onlyOwner {
require(_devAddress != address(0), "_devAddress address cannot be 0");
devAddress = payable(_devAddress);
}
// force Swap back if slippage issues.
function forceSwapBack() external onlyOwner {
require(
balanceOf(address(this)) >= swapTokensAtAmount,
"Can only swap when token amount is at or higher than restriction"
);
swapping = true;
swapBack();
swapping = false;
emit OwnerForcedSwapBack(block.timestamp);
}
// useful for buybacks or to reclaim any ETH on the contract in a way that helps holders.
function buyBackTokens(uint256 amountInWei) external onlyOwner {
require(
amountInWei <= 10 ether,
"May not buy more than 10 ETH in a single buy to reduce sandwich attacks"
);
address[] memory path = new address[](2);
path[0] = dexRouter.WETH();
path[1] = address(this);
// make the swap
dexRouter.swapExactETHForTokensSupportingFeeOnTransferTokens{
value: amountInWei
}(
0, // accept any amount of Ethereum
path,
address(0xdead),
block.timestamp
);
emit BuyBackTriggered(amountInWei);
}
}