/*
_____ _ _____ _ _ _ _ _____ ______ _____ ______ _ _ ___ _________
| ___|| | | _ || \ | || | | ||_ _|| ___||_ _|| ___ \| | | || \/ || ___ \
| |__ | | | | | || \| || | | | | | | |_ | | | |_/ /| | | || . . || |_/ /
| __| | | | | | || . ` || |/\| | | | | _| | | | / | | | || |\/| || __/
| |___ | |____\ \_/ /| |\ |\ /\ / _| |_ | | | | | |\ \ | |_| || | | || |
\____/ \_____/ \___/ \_| \_/ \/ \/ \___/ \_| \_/ \_| \_| \___/ \_| |_/\_|
Join The Revolution!
Let’s Make America Great Again!
Website: https://http://elonwiftrump.us/
Twitter: https://x.com/ElonWifTrump
Telegram: https://t.me/ElonWifTrumpeth
*/
// SPDX-License-Identifier: MIT
// File: contracts/interfaces/IUniswapV2Factory.sol
pragma solidity 0.8.23;
interface IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
// File: contracts/interfaces/IUniswapV2Router.sol
pragma solidity 0.8.23;
interface IUniswapV2Router {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function getAmountsIn(uint256 amountOut, address[] calldata path)
external
view
returns (uint256[] 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);
function swapExactTokensForETH(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external returns (uint256[] memory amounts);
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;
}
// File: @openzeppelin/contracts/interfaces/draft-IERC6093.sol
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @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 Standard ERC721 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
*/
interface IERC721Errors {
/**
* @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
* Used in balance queries.
* @param owner Address of the current owner of a token.
*/
error ERC721InvalidOwner(address owner);
/**
* @dev Indicates a `tokenId` whose `owner` is the zero address.
* @param tokenId Identifier number of a token.
*/
error ERC721NonexistentToken(uint256 tokenId);
/**
* @dev Indicates an error related to the ownership over a particular token. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param tokenId Identifier number of a token.
* @param owner Address of the current owner of a token.
*/
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC721InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC721InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param tokenId Identifier number of a token.
*/
error ERC721InsufficientApproval(address operator, uint256 tokenId);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC721InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC721InvalidOperator(address operator);
}
/**
* @dev Standard ERC1155 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
*/
interface IERC1155Errors {
/**
* @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.
* @param tokenId Identifier number of a token.
*/
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC1155InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC1155InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param owner Address of the current owner of a token.
*/
error ERC1155MissingApprovalForAll(address operator, address owner);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC1155InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC1155InvalidOperator(address operator);
/**
* @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
* Used in batch transfers.
* @param idsLength Length of the array of token identifiers
* @param valuesLength Length of the array of token amounts
*/
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @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;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
/**
* @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);
}
}
// File: @openzeppelin/contracts/token/ERC20/IERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
/**
* @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);
}
// File: @openzeppelin/contracts/token/ERC20/ERC20.sol
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
/**
* @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 account => uint256) private _balances;
mapping(address account => mapping(address spender => 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 fees, 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 virtual {
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);
}
}
}
}
// File: contracts/ELONWIFTRUMP.sol
/*
_____ _ _____ _ _ _ _ _____ ______ _____ ______ _ _ ___ _________
| ___|| | | _ || \ | || | | ||_ _|| ___||_ _|| ___ \| | | || \/ || ___ \
| |__ | | | | | || \| || | | | | | | |_ | | | |_/ /| | | || . . || |_/ /
| __| | | | | | || . ` || |/\| | | | | _| | | | / | | | || |\/| || __/
| |___ | |____\ \_/ /| |\ |\ /\ / _| |_ | | | | | |\ \ | |_| || | | || |
\____/ \_____/ \___/ \_| \_/ \/ \/ \___/ \_| \_/ \_| \_| \___/ \_| |_/\_|
Join The Revolution!
Let’s Make America Great Again!
Website: https://http://elonwiftrump.us/
Twitter: https://x.com/ElonWifTrump
Telegram: https://t.me/ElonWifTrumpeth
*/
pragma solidity 0.8.23;
contract ELONWIFTRUMP is ERC20, Ownable {
address public marketingWallet;
uint16 public buyFee = 0;
uint16 public sellFee = 0;
uint256 public swapTokensAtAmount = 34_736 * 1e18; // 0.05%
bool private _distributingFees;
mapping(address => bool) private _excludedFromFees;
bool public limitsInEffect = true;
uint256 public maxWalletBalance = 1_389_440 * 1e18; // 2%
mapping(address => bool) private _excludedFromMaxWalletBalance;
address public immutable uniV2Pair;
IUniswapV2Router public constant uniV2Router = IUniswapV2Router(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
bool public tradingEnabled;
event LimitsRemoved();
event TradingEnabled();
event BuyFeeSet(uint16 newBuyFee);
event SellFeeSet(uint16 newSellFee);
event MarketingWalletUpdated(address newAddress);
event SwapTokensAtAmountSet(uint256 newSwapTokensAtAmount);
event FeesDistributed(uint256 totalTokensDistributed);
/**
* @notice Constructor function for the ELONWIFTRUMP contract.
* It initializes the contract by setting the token name and symbol,
* creates a Uniswap V2 pair for the token, sets initial values for marketing and operations wallets and
* mints total token supply.
* It also approves the Uniswap V2 router to spend an unlimited amount of tokens on behalf of the contract.
*/
constructor() ERC20("ELONWIFTRUMP", "$EWT") Ownable(msg.sender) {
uniV2Pair = IUniswapV2Factory(uniV2Router.factory()).createPair(address(this), uniV2Router.WETH());
_excludedFromMaxWalletBalance[uniV2Pair] = true;
_excludedFromFees[owner()] = true;
marketingWallet = owner();
_mint(owner(), 69_472_024 * 1e18);
_approve(address(this), address(uniV2Router), type(uint256).max);
}
receive() external payable {}
/**
* @notice This function is used to transfer tokens internally within the contract.
* It performs various checks such as trading enablement, maximum transaction and balance limits,
* fee distribution, and fee deduction.
* It then calls the _transfer function from the parent contract to perform the actual token transfer.
* @param from The address to transfer tokens from.
* @param to The address to transfer tokens to.
* @param amount The amount of tokens to transfer.
*/
function _transfer(address from, address to, uint256 amount) internal override {
require(amount > 0, "ELONWIFTRUMP: transfer amount must be greater than 0");
// Check if trading has been enabled
if (!tradingEnabled) {
require(from == owner() || to == owner(), "ELONWIFTRUMP: trading has not been enabled yet");
}
// Max TX and Max Balance Limits
if (limitsInEffect) {
if (from != owner() && to != owner() && to != address(0) && to != address(0xdead) && !_distributingFees) {
// On Buys
if (from == uniV2Pair && !_excludedFromMaxWalletBalance[to]) {
require(
amount + balanceOf(to) <= maxWalletBalance, "ELONWIFTRUMP: balance would NEVER exceed max wallet balance"
);
}
// On Transfers to non-excluded "to" address
else if (!_excludedFromMaxWalletBalance[to]) {
require(
amount + balanceOf(to) <= maxWalletBalance, "ELONWIFTRUMP: balance would NEVER exceed max wallet balance"
);
}
}
}
// Swap any tokens held as fees for ETH and distribute
bool shouldSwap = balanceOf(address(this)) >= swapTokensAtAmount;
if (shouldSwap && !_distributingFees && from != uniV2Pair && !_excludedFromFees[from] && !_excludedFromFees[to])
{
_distributingFees = true;
_distributeFees();
_distributingFees = false;
}
// Determine if we should take fees
bool takeFees = !_distributingFees;
if (_excludedFromFees[from] || _excludedFromFees[to]) {
takeFees = false;
}
uint256 fees = 0;
// Take Fees if necessary
if (takeFees) {
// Fees on buys
if (from == uniV2Pair && buyFee > 0) {
fees = (amount * buyFee) / 1_000;
}
// Fees on sells
else if (to == uniV2Pair && sellFee > 0) {
fees = (amount * sellFee) / 1_000;
}
// If there are fees to be taken, transfer and substract from amount
if (fees > 0) {
super._transfer(from, address(this), fees);
amount -= fees;
}
}
// Make final transfer
super._transfer(from, to, amount);
}
/**
* @notice Distributes fees collected by the contract.
* The function calculates the amount of fees to distribute based on the
* balance of the contract and a max threshold of 20 times the swapTokensAtAmount.
* @dev Emits a `FeesDistributed` event with the amount distributed.
*/
function _distributeFees() private {
// Determine amount of held fees to distribute
uint256 tokensToDistribute = balanceOf(address(this));
if (tokensToDistribute > swapTokensAtAmount * 20) {
tokensToDistribute = swapTokensAtAmount * 20;
}
// Swap tokens for ETH
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniV2Router.WETH();
try uniV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokensToDistribute, 0, path, address(this), block.timestamp
) {} catch {}
// Send ETH to Marketing
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
(bool success,) = marketingWallet.call{value: ethBalance}("");
if (success) {
emit FeesDistributed(tokensToDistribute);
}
}
}
/**
* @notice Returns whether the specified account is excluded from fees.
* @param account The address to check.
* @return A boolean indicating whether the account is excluded from fees.
*/
function isExcludedFromFees(address account) public view returns (bool) {
return _excludedFromFees[account];
}
/**
* @notice Returns whether the specified account is excluded from the maximum wallet balance limit.
* @param account The address to check.
* @return A boolean indicating whether the account is excluded from the maximum wallet balance limit.
*/
function isExcludedFromMaxWalletBalance(address account) public view returns (bool) {
return _excludedFromMaxWalletBalance[account];
}
/**
* @notice Enables trading of the token.
* @dev Can only be called by the contract owner.
* @dev Emits a `TradingEnabled` event.
*/
function enableTrading() external onlyOwner {
tradingEnabled = true;
emit TradingEnabled();
}
/**
* @notice Updates the marketing wallet address.
* @param newAddress The new address for the marketing wallet.
* @dev Can only be called by the contract owner.
* @dev `newAddress` cannot be the zero address.
* @dev Emits a `MarketingWalletUpdated` event.
*/
function updateMarketingWallet(address newAddress) external onlyOwner {
require(newAddress != address(0), "ELONWIFTRUMP: address cannot be 0 address");
marketingWallet = newAddress;
emit MarketingWalletUpdated(newAddress);
}
/**
* @notice Removes the max transcation and max wallet balance limits on the token.
* @dev Can only be called by the contract owner.
* @dev Once turned off, the limits cannot be turned back on.
* @dev Emits a `LimitsRemoved` event.
*/
function removeLimits() external onlyOwner {
limitsInEffect = false;
emit LimitsRemoved();
}
/**
* @notice Sets the amount of tokens required for a fee tokens swap.
* @param newSwapTokensAtAmount The new amount of tokens required for a swap.
* @dev Can only be called by the contract owner.
* @dev The newSwapTokensAtAmount must be greater than or equal to 0.001% of the total supply,
* and less than or equal to 0.5% of the total supply.
* @dev Emits a `SwapTokensAtAmountSet` event.
*/
function setSwapTokensAtAmount(uint256 newSwapTokensAtAmount) external onlyOwner {
require(
newSwapTokensAtAmount >= totalSupply() / 100_000,
"ELONWIFTRUMP: swap tokens at amount cannot be lower than 0.001% of total supply"
);
require(
newSwapTokensAtAmount <= (totalSupply() * 5) / 1_000,
"ELONWIFTRUMP: swap tokens at amount cannot be higher than 0.5% of total supply"
);
swapTokensAtAmount = newSwapTokensAtAmount;
emit SwapTokensAtAmountSet(newSwapTokensAtAmount);
}
/**
* @notice Sets the buy fee for ELONWIFTRUMP.
* @param newBuyFee The new buy fee to be set.
* @dev Can only be called by the contract owner.
* @dev The new buy fee cannot be greater than 400 (40%).
* @dev Emits a `BuyFeeSet` event.
*/
function setBuyFee(uint16 newBuyFee) external onlyOwner {
require(newBuyFee <= 400, "ELONWIFTRUMP: fee cannot be greater than 40%");
buyFee = newBuyFee;
emit BuyFeeSet(newBuyFee);
}
/**
* @notice Sets the sell fee for ELONWIFTRUMP.
* @param newSellFee The new sell fee to be set.
* @dev Can only be called by the contract owner.
* @dev The new sell fee cannot be greater than 400 (40%).
* @dev Emits a `SellFeeSet` event.
*/
function setSellFee(uint16 newSellFee) external onlyOwner {
require(newSellFee <= 400, "ELONWIFTRUMP: fee cannot be greater than 40%");
sellFee = newSellFee;
emit SellFeeSet(newSellFee);
}
/**
* @notice Sets the excluded status of an account from fees.
* @param account The address of the account.
* @param excluded The excluded status to be set.
* @dev Only the contract owner can call this function.
*/
function setExcludedFromFees(address account, bool excluded) external onlyOwner {
_excludedFromFees[account] = excluded;
}
/**
* @notice Sets whether an account is excluded from the maximum wallet balance limit.
* @param account The address of the account to be excluded or included.
* @param excluded A boolean indicating whether the account should be excluded or included.
* @dev Only the contract owner can call this function.
*/
function setExcludedFromMaxWalletBalance(address account, bool excluded) external onlyOwner {
_excludedFromMaxWalletBalance[account] = excluded;
}
}
{
"compilationTarget": {
"ELONWIFTRUMP.sol": "ELONWIFTRUMP"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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