Contract Name:
FunicularToken
Contract Source Code:
File 1 of 1 : FunicularToken
// SPDX-License-Identifier: MIT
pragma solidity 0.8.17;
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 IFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(
address(this).balance >= amount,
"Address: insufficient balance"
);
(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"
);
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data)
internal
view
returns (bytes memory)
{
return
functionStaticCall(
target,
data,
"Address: low-level static call failed"
);
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return
functionDelegateCall(
target,
data,
"Address: low-level delegate call failed"
);
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
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 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;
}
}
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 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 to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, 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) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
// Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
// decrementing then incrementing.
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
// Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
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);
_afterTokenTransfer(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);
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
contract FunicularToken is Ownable, ERC20 {
using Address for address;
IRouter public uniswapV2Router;
address public immutable uniswapV2Pair;
string private constant _name = "Funicular Token";
string private constant _symbol = "FUNICULAR";
bool public isTradingEnabled;
uint256 public initialSupply = 1000000 * (10**18);
// max buy and sell tx is 100% of initialSupply
uint256 public maxTxAmount = initialSupply;
// max wallet is 1% of initialSupply
uint256 public maxWalletAmount = initialSupply * 100 / 10000;
bool private _swapping;
uint256 public minimumTokensBeforeSwap = initialSupply * 1 / 100000;
address public liquidity1Wallet;
address public liquidity2Wallet;
address public operationsWallet;
struct CustomTaxPeriod {
bytes23 periodName;
uint8 liquidity1FeeOnBuy;
uint8 liquidity1FeeOnSell;
uint8 liquidity2FeeOnBuy;
uint8 liquidity2FeeOnSell;
uint8 operationsFeeOnBuy;
uint8 operationsFeeOnSell;
}
// Base taxes
CustomTaxPeriod private _base = CustomTaxPeriod("base", 1, 1, 9, 9, 1, 1);
bool private _isLaunched;
bool public _launchTokensClaimed;
uint256 private _launchStartTimestamp;
uint256 private _launchBlockNumber;
uint256 public launchTokens;
mapping (address => bool) private _isBlocked;
mapping(address => bool) private _isAllowedToTradeWhenDisabled;
mapping(address => bool) private _feeOnSelectedWalletTransfers;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isExcludedFromMaxTransactionLimit;
mapping(address => bool) private _isExcludedFromMaxWalletLimit;
mapping(address => bool) public automatedMarketMakerPairs;
uint8 private _liquidity1Fee;
uint8 private _liquidity2Fee;
uint8 private _operationsFee;
uint8 private _totalFee;
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event BlockedAccountChange(address indexed holder, bool indexed status);
event UniswapV2RouterChange(address indexed newAddress, address indexed oldAddress);
event WalletChange(string indexed indentifier,address indexed newWallet,address indexed oldWallet);
event FeeChange(string indexed identifier,uint8 liquidity1Fee,uint8 liquidity2Fee,uint8 operationsFee);
event CustomTaxPeriodChange(uint256 indexed newValue,uint256 indexed oldValue,string indexed taxType,bytes23 period);
event MaxTransactionAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event MaxWalletAmountChange(uint256 indexed newValue, uint256 indexed oldValue);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event ExcludeFromMaxTransferChange(address indexed account, bool isExcluded);
event ExcludeFromMaxWalletChange(address indexed account, bool isExcluded);
event AllowedWhenTradingDisabledChange(address indexed account, bool isExcluded);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 tokensSwapped, uint256 ethReceived, uint256 tokensIntoLiqudity);
event FeeOnSelectedWalletTransfersChange(address indexed account, bool newValue);
event ClaimOverflow(address token, uint256 amount);
event TradingStatusChange(bool indexed newValue, bool indexed oldValue);
event FeesApplied(uint8 liquidity1Fee,uint8 liquidity2Fee,uint8 operationsFee,uint8 totalFee);
constructor() ERC20(_name, _symbol) {
liquidity1Wallet = owner();
liquidity2Wallet = owner();
operationsWallet = owner();
IRouter _uniswapV2Router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isAllowedToTradeWhenDisabled[owner()] = true;
_isAllowedToTradeWhenDisabled[address(this)] = true;
_isExcludedFromMaxTransactionLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[_uniswapV2Pair] = true;
_isExcludedFromMaxWalletLimit[address(uniswapV2Router)] = true;
_isExcludedFromMaxWalletLimit[address(this)] = true;
_isExcludedFromMaxWalletLimit[owner()] = true;
_mint(owner(), initialSupply);
}
receive() external payable {}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
if(_launchBlockNumber == 0) {
_launchBlockNumber = block.number;
_launchStartTimestamp = block.timestamp;
_isLaunched = true;
}
emit TradingStatusChange(true, false);
}
function deactivateTrading() external onlyOwner {
isTradingEnabled = false;
emit TradingStatusChange(false, true);
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value,"Funicular: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function blockAccount(address account) external onlyOwner {
require(!_isBlocked[account], "Funicular: Account is already blocked");
if (_isLaunched) {
require((block.timestamp - _launchStartTimestamp) < 172800, "Funicular: Time to block accounts has expired");
}
_isBlocked[account] = true;
emit BlockedAccountChange(account, true);
}
function unblockAccount(address account) external onlyOwner {
require(_isBlocked[account], "Funicular: Account is not blcoked");
_isBlocked[account] = false;
emit BlockedAccountChange(account, false);
}
function setFeeOnSelectedWalletTransfers(address account, bool value) external onlyOwner {
require(_feeOnSelectedWalletTransfers[account] != value,"Funicular: The selected wallet is already set to the value ");
_feeOnSelectedWalletTransfers[account] = value;
emit FeeOnSelectedWalletTransfersChange(account, value);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded,"Funicular: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function excludeFromMaxTransactionLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxTransactionLimit[account] != excluded,"Funicular: Account is already the value of 'excluded'");
_isExcludedFromMaxTransactionLimit[account] = excluded;
emit ExcludeFromMaxTransferChange(account, excluded);
}
function excludeFromMaxWalletLimit(address account, bool excluded) external onlyOwner {
require(_isExcludedFromMaxWalletLimit[account] != excluded,"Funicular: Account is already the value of 'excluded'");
_isExcludedFromMaxWalletLimit[account] = excluded;
emit ExcludeFromMaxWalletChange(account, excluded);
}
function setWallets(address newLiquidity1Wallet,address newLiquidity2Wallet,address newOperationsWallet) external onlyOwner {
if (liquidity1Wallet != newLiquidity1Wallet) {
require(newLiquidity1Wallet != address(0), "Funicular: The liquidity1Wallet cannot be 0");
emit WalletChange("liquidity1Wallet", newLiquidity1Wallet, liquidity1Wallet);
liquidity1Wallet = newLiquidity1Wallet;
}
if (liquidity2Wallet != newLiquidity2Wallet) {
require(newLiquidity2Wallet != address(0), "Funicular: The liquidity2Wallet cannot be 0");
emit WalletChange("liquidity2Wallet", newLiquidity2Wallet, liquidity2Wallet);
liquidity2Wallet = newLiquidity2Wallet;
}
if (operationsWallet != newOperationsWallet) {
require(newOperationsWallet != address(0), "Funicular: The operationsWallet cannot be 0");
emit WalletChange("operationsWallet", newOperationsWallet, operationsWallet);
operationsWallet = newOperationsWallet;
}
}
// Base fees
function setBaseFeesOnBuy(uint8 _liquidity1FeeOnBuy,uint8 _liquidity2FeeOnBuy,uint8 _operationsFeeOnBuy) external onlyOwner {
_setCustomBuyTaxPeriod(_base,_liquidity1FeeOnBuy,_liquidity2FeeOnBuy,_operationsFeeOnBuy);
emit FeeChange("baseFees-Buy",_liquidity1FeeOnBuy,_liquidity2FeeOnBuy,_operationsFeeOnBuy);
}
function setBaseFeesOnSell(uint8 _liquidity1FeeOnSell,uint8 _liquidity2FeeOnSell,uint8 _operationsFeeOnSell) external onlyOwner {
_setCustomSellTaxPeriod(_base,_liquidity1FeeOnSell,_liquidity2FeeOnSell,_operationsFeeOnSell);
emit FeeChange("baseFees-Sell",_liquidity1FeeOnSell,_liquidity2FeeOnSell,_operationsFeeOnSell);
}
function setUniswapRouter(address newAddress) external onlyOwner {
require(newAddress != address(uniswapV2Router),"Funicular: The router already has that address");
emit UniswapV2RouterChange(newAddress, address(uniswapV2Router));
uniswapV2Router = IRouter(newAddress);
}
function setMaxTransactionAmount(uint256 newValue) external onlyOwner {
require(newValue != maxTxAmount, "Funicular: Cannot update maxTxAmount to same value");
emit MaxTransactionAmountChange(newValue, maxTxAmount);
maxTxAmount = newValue;
}
function setMaxWalletAmount(uint256 newValue) external onlyOwner {
require(newValue != maxWalletAmount,"Funicular: Cannot update maxWalletAmount to same value");
emit MaxWalletAmountChange(newValue, maxWalletAmount);
maxWalletAmount = newValue;
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap,"Funicular: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimLaunchTokens() external onlyOwner {
require(_launchStartTimestamp > 0, "Funicular: Launch must have occurred");
require(!_launchTokensClaimed, "Funicular: Launch tokens have already been claimed");
require(block.number - _launchBlockNumber > 5, "Funicular: Only claim launch tokens after launch");
uint256 tokenBalance = balanceOf(address(this));
_launchTokensClaimed = true;
require(launchTokens <= tokenBalance, "Funicular: A swap and liquify has already occurred");
uint256 amount = launchTokens;
launchTokens = 0;
(bool success) = IERC20(address(this)).transfer(owner(), amount);
if (success){
emit ClaimOverflow(address(this), amount);
}
}
function claimETHOverflow(uint256 amount) external onlyOwner {
require(amount <= address(this).balance, "Funicular: Cannot send more than contract balance");
(bool success, ) = address(owner()).call{ value: amount }("");
if (success) {
emit ClaimOverflow(uniswapV2Router.WETH(), amount);
}
}
// Getters
function getBaseBuyFees() external view returns (uint8,uint8,uint8) {
return (_base.liquidity1FeeOnBuy,_base.liquidity2FeeOnBuy,_base.operationsFeeOnBuy);
}
function getBaseSellFees() external view returns (uint8,uint8,uint8) {
return (_base.liquidity1FeeOnSell,_base.liquidity2FeeOnSell,_base.operationsFeeOnSell);
}
// Main
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");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "Funicular: Trading is currently disabled.");
require(!_isBlocked[to], "Funicular: Account is blocked");
require(!_isBlocked[from], "Funicular: Account is blocked");
if (!_isExcludedFromMaxTransactionLimit[to] && !_isExcludedFromMaxTransactionLimit[from]) {
require(amount <= maxTxAmount, "Funicular: Buy amount exceeds the maxTxBuyAmount.");
}
if (!_isExcludedFromMaxWalletLimit[to]) {
require((balanceOf(to) + amount) <= maxWalletAmount, "Funicular: Expected wallet amount exceeds the maxWalletAmount.");
}
}
_adjustTaxes(automatedMarketMakerPairs[from], automatedMarketMakerPairs[to], from, to);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to]
) {
_swapping = true;
_swapAndLiquify();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
}
if (takeFee && _totalFee > 0) {
uint256 fee = (amount * _totalFee) / 100;
amount = amount - fee;
if (_launchStartTimestamp > 0 && (block.number - _launchBlockNumber <= 5)) {
launchTokens += fee;
}
super._transfer(from, address(this), fee);
}
super._transfer(from, to, amount);
}
function _adjustTaxes(bool isBuyFromLp,bool isSelltoLp,address from,address to) private {
_liquidity1Fee = 0;
_liquidity2Fee = 0;
_operationsFee = 0;
if (isBuyFromLp) {
if (_isLaunched && block.timestamp - _launchBlockNumber <= 5) {
_liquidity1Fee = 100;
} else {
_liquidity1Fee = _base.liquidity1FeeOnBuy;
_liquidity2Fee = _base.liquidity2FeeOnBuy;
_operationsFee = _base.operationsFeeOnBuy;
}
}
if (isSelltoLp) {
_liquidity1Fee = _base.liquidity1FeeOnSell;
_liquidity2Fee = _base.liquidity2FeeOnSell;
_operationsFee = _base.operationsFeeOnSell;
}
if (!isSelltoLp && !isBuyFromLp && (_feeOnSelectedWalletTransfers[from] || _feeOnSelectedWalletTransfers[to])) {
_liquidity1Fee = _base.liquidity1FeeOnBuy;
_liquidity2Fee = _base.liquidity2FeeOnBuy;
_operationsFee = _base.operationsFeeOnBuy;
}
_totalFee = _liquidity1Fee + _liquidity2Fee + _operationsFee;
emit FeesApplied(_liquidity1Fee, _liquidity2Fee, _operationsFee, _totalFee);
}
function _setCustomSellTaxPeriod(CustomTaxPeriod storage map,uint8 _liquidity1FeeOnSell,uint8 _liquidity2FeeOnSell,uint8 _operationsFeeOnSell) private {
if (map.liquidity1FeeOnSell != _liquidity1FeeOnSell) {
emit CustomTaxPeriodChange(_liquidity1FeeOnSell,map.liquidity1FeeOnSell,"liquidity1FeeOnSell",map.periodName);
map.liquidity1FeeOnSell = _liquidity1FeeOnSell;
}
if (map.liquidity2FeeOnSell != _liquidity2FeeOnSell) {
emit CustomTaxPeriodChange(_liquidity2FeeOnSell,map.liquidity2FeeOnSell,"liquidity2FeeOnSell",map.periodName);
map.liquidity2FeeOnSell = _liquidity2FeeOnSell;
}
if (map.operationsFeeOnSell != _operationsFeeOnSell) {
emit CustomTaxPeriodChange(_operationsFeeOnSell,map.operationsFeeOnSell,"operationsFeeOnSell",map.periodName);
map.operationsFeeOnSell = _operationsFeeOnSell;
}
}
function _setCustomBuyTaxPeriod(CustomTaxPeriod storage map,uint8 _liquidity1FeeOnBuy,uint8 _liquidity2FeeOnBuy,uint8 _operationsFeeOnBuy) private {
if (map.liquidity1FeeOnBuy != _liquidity1FeeOnBuy) {
emit CustomTaxPeriodChange(_liquidity1FeeOnBuy,map.liquidity1FeeOnBuy,"liquidity1FeeOnBuy",map.periodName);
map.liquidity1FeeOnBuy = _liquidity1FeeOnBuy;
}
if (map.liquidity2FeeOnBuy != _liquidity2FeeOnBuy) {
emit CustomTaxPeriodChange(_liquidity2FeeOnBuy,map.liquidity2FeeOnBuy,"liquidity2FeeOnBuy",map.periodName);
map.liquidity2FeeOnBuy = _liquidity2FeeOnBuy;
}
if (map.operationsFeeOnBuy != _operationsFeeOnBuy) {
emit CustomTaxPeriodChange(_operationsFeeOnBuy,map.operationsFeeOnBuy,"operationsFeeOnBuy",map.periodName);
map.operationsFeeOnBuy = _operationsFeeOnBuy;
}
}
function _swapAndLiquify() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint256 amountToLiquify = (contractBalance * _liquidity1Fee) / _totalFee / 2;
uint256 amountToSwap = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwap);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 totalETHFee = _totalFee - (_liquidity1Fee / 2);
uint256 amountETHLiquidity1 = (ETHBalanceAfterSwap * _liquidity1Fee) / totalETHFee / 2;
uint256 amountETHLiquidity2 = (ETHBalanceAfterSwap * _liquidity2Fee) / totalETHFee;
uint256 amountETHOperations = ETHBalanceAfterSwap - (amountETHLiquidity1 + amountETHLiquidity2);
Address.sendValue(payable(operationsWallet),amountETHOperations);
Address.sendValue(payable(liquidity2Wallet),amountETHLiquidity2);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, amountETHLiquidity1);
emit SwapAndLiquify(amountToSwap, amountETHLiquidity1, amountToLiquify);
}
}
function _swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
1, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
1, // slippage is unavoidable
1, // slippage is unavoidable
liquidity1Wallet,
block.timestamp
);
}
}