Contract Source Code:
File 1 of 1 : AGA
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
/**
🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲🇺🇲
¸¸♬·¯·♪·¯·♫¸¸ 𝓣𝓻𝓾𝓶𝓹¸¸♫·¯·♪¸♩·¯·♬¸¸
😍💞💘 𝓐𝓜𝓔𝓡𝓘𝓒𝓐 𝓖𝓡𝓔𝓐𝓣 𝓐𝓖𝓐𝓘𝓝 💔💏💖
*/
/**
* @dev Standard ERC20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(
address sender,
uint256 balance,
uint256 needed
);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC20InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
* @param spender Address that may be allowed to operate on tokens without being their owner.
* @param allowance Amount of tokens a `spender` is allowed to operate with.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientAllowance(
address spender,
uint256 allowance,
uint256 needed
);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC20InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `spender` to be approved. Used in approvals.
* @param spender Address that may be allowed to operate on tokens without being their owner.
*/
error ERC20InvalidSpender(address spender);
}
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* The initial owner is set to the address provided by the deployer. This can
* later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @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 {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling 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 {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_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);
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender)
external
view
returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 value
) external returns (bool);
}
/**
* @dev Interface for the optional metadata functions from the ERC20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC20
* applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*/
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* All two of these values are immutable: they can only be set once during
* construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `value`.
*/
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender)
public
view
virtual
returns (uint256)
{
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value)
public
virtual
returns (bool)
{
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20}.
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `value`.
* - the caller must have allowance for ``from``'s tokens of at least
* `value`.
*/
function transferFrom(
address from,
address to,
uint256 value
) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
/**
* @dev Moves a `value` amount of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token taxes, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _transfer(
address from,
address to,
uint256 value
) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
/**
* @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
* (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
* this function.
*
* Emits a {Transfer} event.
*/
function _update(
address from,
address to,
uint256 value
) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
/**
* @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
* Relies on the `_update` mechanism
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
* Relies on the `_update` mechanism.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead
*/
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
/**
* @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*
* Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
*/
function _approve(
address owner,
address spender,
uint256 value
) internal {
_approve(owner, spender, value, true);
}
/**
* @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
*
* By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
* `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
* `Approval` event during `transferFrom` operations.
*
* Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
* true using the following override:
* ```
* function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
* super._approve(owner, spender, value, true);
* }
* ```
*
* Requirements are the same as {_approve}.
*/
function _approve(
address owner,
address spender,
uint256 value,
bool emitEvent
) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
/**
* @dev Updates `owner` s allowance for `spender` based on spent `value`.
*
* Does not update the allowance value in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Does not emit an {Approval} event.
*/
function _spendAllowance(
address owner,
address spender,
uint256 value
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(
spender,
currentAllowance,
value
);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IUniswapV2Router {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
)
external
returns (uint[] memory amounts);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
}
contract AGA is ERC20, Ownable {
//Wallets
//owner Wallet and
/// marketing buy wallet = TaxWallet1
address public taxWallet1;
/// marketing sell wallet = TaxWallet2
address public taxWallet2;
/// MAX AMOUNT PER BUY / SELL
uint256 public maxAmountPerTx = MAX_SUPPLY / 100;
/// MAX WALLET AMOUNT
uint256 public maxWalletAmount = MAX_SUPPLY / 100;
/// MAX SUPPLY
uint256 internal constant MAX_SUPPLY = 1_000_000_000 * 1e18;
/// PERCENT_DIVISOR
uint256 internal constant PERCENT_DIVISOR = 10000;
/// Threshold after which collected tax is sold for eth
uint256 public swapTokensAtAmount = MAX_SUPPLY / 100000; // = 0.001%
/// Trading flag
bool public trading;
/// mapping for managing users which are excluded from taxes
mapping(address => bool) public isExcludedFromTaxes;
/// mapping for blacklist
mapping(address => bool) public blacklist;
////// TAX STRUCTS //
struct BuyTax {
uint256 marketing;
}
struct SellTax {
uint256 marketing;
}
BuyTax public buyTax;
SellTax public sellTax;
uint256 public totalBuyTax;
uint256 public totalSellTax;
/// @notice uniswapV2Router
IUniswapV2Router public immutable uniswapV2Router;
/// @notice uniswapPair
address public immutable uniswapPair;
/// swapping used during collected tokens are swapped for eth
bool swapping;
//// EVENTS
event TaxWallet1Transferred(address indexed oldTaxWallet1,address indexed newTaxWallet1);
event TaxWallet2Transferred(address indexed oldTaxWallet2,address indexed newTaxWallet2);
event enabledTrading();
event disabledTrading();
event SellTaxesUpdated(uint256 indexed sellTax);
event BuyTaxesUpdated(uint256 indexed buyTax);
event collectedFee(uint256 indexed fee);
event EthClaimed(address indexed wallet, uint256 indexed amount);
//// MODIFIER
/**
* @dev Throws if the sender is not the marketing wallet.
*/
modifier onlyTaxWallet1() {
require(taxWallet1 == msg.sender, "Only Tax Wallet 1 can call this function");
_;
}
modifier onlyTaxWallet2() {
require(taxWallet2 == msg.sender, "Only Tax Wallet 2 can call this function");
_;
}
modifier onlyTaxWallets() {
require(taxWallet1 == msg.sender || taxWallet2 == msg.sender, "Only Tax Wallets can call this function");
_;
}
/** @notice create an erc20, initialize all required variables
* like owner, uniswap v2 router, taxes values and wallets values.
* excludes the owner and token address from taxes and limits.
* mints the total supply to the owner wallet.
*/
constructor()
ERC20("AGA", "AGA") Ownable(msg.sender) {
uniswapV2Router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
taxWallet1 = 0xd33fC0D40604EB90ca23fF5FA01Cd4C87fe664c2;
taxWallet2 = 0xd33fC0D40604EB90ca23fF5FA01Cd4C87fe664c2;
uniswapPair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(
address(this),
uniswapV2Router.WETH()
);
// 100 = 1% 10 = 0.1% 1 = 0.01%
buyTax = BuyTax ({
marketing: 0
});
totalBuyTax = buyTax.marketing;
sellTax = SellTax ({
marketing: 100
});
totalSellTax = sellTax.marketing;
isExcludedFromTaxes[address(this)] = true;
isExcludedFromTaxes[msg.sender] = true;
isExcludedFromTaxes[address(0x0)] = true;
isExcludedFromTaxes[taxWallet1] = true;
isExcludedFromTaxes[taxWallet2] = true;
trading = false;
_mint(msg.sender, MAX_SUPPLY);
}
/**
* @notice to recieve ETH from uniswapV2Router when swapping
*/
receive() external payable {
}
/**
* @notice Allows the marketing wallet to claim stuck ERC20 tokens
* @dev Only the marketing wallet can call this function
* @param token The address of the ERC20 token to claim
* @param value The amount of tokens to claim
* @param wallet The address to transfer the claimed tokens to
*/
function claimStuckERC20(
address token,
uint256 value,
address wallet
) external onlyTaxWallets {
ERC20 ERC20Token = ERC20(token);
bool success = ERC20Token.transfer(wallet, value);
require(success, "ERC20 transfer failed");
}
/**
* @notice Allows the marketing wallet to claim stuck ERC20 tokens
* @dev Only the marketing wallet can call this function
* @param wallet The address to transfer the claimed tokens to
*/
function claimStuckEth(address wallet) external onlyTaxWallets {
require(wallet != address(0), "Wallet must not be 0x0 address");
uint256 balance = address(this).balance;
require(balance > 0, "No ETH to transfer");
payable(wallet).transfer(balance);
emit EthClaimed(wallet, balance);
}
/**
* @notice Exclude or include an account from taxes.
*
* @param account The address of the account to be excluded or included.
* @param value Boolean value indicating whether the account should
* be excluded (true) or included (false).
*/
function setExcludeFromTaxes(address account, bool value) external onlyOwner {
require(account != address(0), "Account must not be 0x0 address");
isExcludedFromTaxes[account] = value;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
* To ensure no mishap when renouncing the ownership, we guarantee that trading will be enabled regardless.
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public override onlyOwner {
enableTrading();
super.renounceOwnership();
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public override onlyOwner {
isExcludedFromTaxes[owner()] = false;
super.transferOwnership(newOwner);
isExcludedFromTaxes[newOwner] = true;
}
/**
* @notice Enable Trading
*/
function enableTrading() public onlyOwner {
trading = true;
emit enabledTrading();
}
/**
* @notice Update the Tax Wallet 1 wallet address
* @param newTaxWallet1: The new address for the Tax wallet 1
*/
function transferTaxWallet1(address newTaxWallet1) external onlyTaxWallet1 {
require(newTaxWallet1 != address(0x0), "New Tax Wallet 1 must not be 0x0 address");
isExcludedFromTaxes[taxWallet1] = false;
isExcludedFromTaxes[newTaxWallet1] = true;
emit TaxWallet1Transferred(taxWallet1, newTaxWallet1);
taxWallet1 = newTaxWallet1;
}
/**
* @notice Update the Tax Wallet 2 wallet address
* @param newTaxWallet2: The new address for the Tax wallet 2
*/
function transferTaxWallet2(address newTaxWallet2) external onlyTaxWallet2 {
require(newTaxWallet2 != address(0x0), "New Tax Wallet 2 must not be 0x0 address");
isExcludedFromTaxes[taxWallet2] = false;
isExcludedFromTaxes[newTaxWallet2] = true;
emit TaxWallet2Transferred(taxWallet2, newTaxWallet2);
taxWallet2 = newTaxWallet2;
}
/**
* @notice Renounce the Tax Wallet 1
*/
function renounceTaxWallet1() external onlyTaxWallet1 {
isExcludedFromTaxes[taxWallet1] = false;
taxWallet1 = address(0x0);
buyTax.marketing = 0;
totalBuyTax = 0;
}
/**
* @notice Renounce the Tax Wallet 2
*/
function renounceTaxWallet2() external onlyTaxWallet2 {
isExcludedFromTaxes[taxWallet2] = false;
taxWallet2 = address(0x0);
sellTax.marketing = 0;
totalSellTax = 0;
}
/**
* @notice Update the wallets for taxes distribution.
*
* @param newTaxWallet1 The address of the marketing wallet.
* @param newTaxWallet2 The address of the marketing wallet.
*
*/
function setWallets(address newTaxWallet1, address newTaxWallet2) external onlyOwner {
require(newTaxWallet1 != address(0x0), "New Tax Wallet 1 must not be 0x0 address");
require(newTaxWallet2 != address(0x0), "New Tax Wallet 2 must not be 0x0 address");
emit TaxWallet1Transferred(taxWallet1, newTaxWallet1);
taxWallet1 = newTaxWallet1;
emit TaxWallet2Transferred(taxWallet2, newTaxWallet2);
taxWallet2 = newTaxWallet2;
}
/**
* @notice Add to the blacklist.
*
* @param blacklistedAddresses Array of addresses to be blacklisted
*/
function addToBlacklist(address[] calldata blacklistedAddresses) external onlyOwner {
for (uint256 i = 0; i < blacklistedAddresses.length; i++) {
require(!isExcludedFromTaxes[blacklistedAddresses[i]], "Address is excluded from taxes, cannot blacklist");
blacklist[blacklistedAddresses[i]] = true;
}
}
/**
* @notice Remove from the blacklist.
*
* @param blacklistedAddresses Array of addresses to removed from the blacklist
*/
function removeFromBlacklist(address[] calldata blacklistedAddresses) external onlyOwner {
for (uint256 i = 0; i < blacklistedAddresses.length; i++) {
blacklist[blacklistedAddresses[i]] = false;
}
}
/**
* @notice set max no. of tokens a user a buy/sell per tx
* @param percent: percent of supply that a user/account can buy/sell per tx
* min percent is limited to 1% of the total supply
*/
function setMaxAmountPerTx(uint256 percent) external onlyOwner {
require(percent >= 1 && PERCENT_DIVISOR >= percent, "Max amount per TX out of range");
maxAmountPerTx = (MAX_SUPPLY * percent) / PERCENT_DIVISOR;
}
/**
* @notice set max wallet amount percent
* @param percent: percent of supply that a person can hold
**/
function setMaxWalletPercent(uint256 percent) external onlyOwner {
require(percent >= 1 && PERCENT_DIVISOR >= percent, "Max wallet amount is out of range");
maxWalletAmount = (MAX_SUPPLY * percent) / PERCENT_DIVISOR;
}
/**
* @notice update swap threshold at/after collected tax is swapped for eth
* @param tokens
**/
function setSwapTokensAtAmount(uint256 tokens) external onlyOwner {
require(tokens > 1000e18, "Minimum of 1000 tokens required");
swapTokensAtAmount = tokens;
}
/**
* @notice Override for _update required by Solidity
* Manage fees on buy/sell and maxTxAmount/MaxWalletLimit
**/
function _update(
address from,
address to,
uint256 amount
) internal override {
// Check if either the sender or receiver is blacklisted
require(!(blacklist[from] || blacklist[to]), "Address is blacklisted, aborting");
require(trading || isExcludedFromTaxes[from] || isExcludedFromTaxes[to]
|| (from == address(uniswapV2Router) && to == uniswapPair) || (to == address(uniswapV2Router) && from == uniswapPair), "Trading disabled, only owner can transfer");
/*
These addresses here are not triggering any fees
isExcludedFromTaxes[address(this)] = true;
isExcludedFromTaxes[msg.sender] = true;
isExcludedFromTaxes[address(0x0)] = true;
isExcludedFromTaxes[taxWallet1] = true;
isExcludedFromTaxes[taxWallet2] = true;
*/
if (!(isExcludedFromTaxes[from] || isExcludedFromTaxes[to]) && trading) {
uint256 fee;
if(to != uniswapPair){
require(amount + balanceOf(to) <= maxWalletAmount, "Max limit per wallet reached");
}
if (from == uniswapPair) {
require(amount <= maxAmountPerTx, "Max buy amount per Tx exceeded");
if (totalBuyTax > 0) {
fee = (amount * totalBuyTax) / PERCENT_DIVISOR;
}
}
else if (to == uniswapPair) {
require(amount <= maxAmountPerTx, "Max sell amount per Tx exceeded");
if (totalSellTax > 0) {
fee = (amount * totalSellTax) / PERCENT_DIVISOR;
}
}
emit collectedFee(fee);
amount = amount - fee;
if (fee > 0) {
super._update(from, address(this), fee);
}
}
uint256 contractBalance = balanceOf(address(this));
//Only swap into ETH when trading is happening (prevents werid Uniswap loop bugs)
bool canSwap = contractBalance >= swapTokensAtAmount &&
from != uniswapPair && !isExcludedFromTaxes[from] && !swapping && trading;
if (canSwap) {
swapping = true;
swapAndDistribute(contractBalance);
swapping = false;
}
super._update(from, to, amount);
}
/**
* @notice The function swaps tokens for ETH, adds liquidity to the Uniswap V2 pair,
* and distributes fees according to the configured percentages.
*
* @param tokens The total amount of tokens to process for swapping and liquidity addition.
*
*/
function swapAndDistribute(uint256 tokens) private {
if ((totalBuyTax > 0 || totalSellTax > 0) && tokens > 0) {
swapForEth(tokens);
if (address(this).balance > 0) {
payable(taxWallet1).transfer(address(this).balance/2);
payable(taxWallet2).transfer(address(this).balance);
}
}
}
/**
* @notice Swaps the specified amount of tokens for ETH using the Uniswap V2 Router.
*
* @param tokens The amount of tokens to swap for ETH.
*
* @dev This function generates the Uniswap pair path for the token to WETH,
* checks the allowance for the token with the Uniswap V2 Router, and then makes
* the swap from tokens to ETH. It ensures that the swap supports fees on transfer tokens
* and sets a deadline for the swap transaction.
*/
function swapForEth(uint256 tokens) private {
// generate the Uniswap pair path of token -> WETH
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
if (allowance(address(this), address(uniswapV2Router)) < tokens) {
_approve(
address(this),
address(uniswapV2Router),
type(uint256).max
);
}
// make the swap
uniswapV2Router.swapExactTokensForETH(
tokens,
0,
path,
address(this),
block.timestamp
);
}
}