Contract Source Code:
File 1 of 1 : Token
// 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/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/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/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 {
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: @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: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router01.sol
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
// File: @uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol
pragma solidity >=0.6.2;
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
// File: @uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
// File: ProofPlatform-main 2/contracts/interfaces/ITeamFinanceLocker.sol
pragma solidity ^0.8.24;
interface ITeamFinanceLocker {
function lockToken(
address _tokenAddress,
address _withdrawalAddress,
uint256 _amount,
uint256 _unlockTime,
bool _mintNFT,
address referrer
) external payable returns (uint256 _id);
}
// File: ProofPlatform-main 2/contracts/interfaces/IToken.sol
pragma solidity ^0.8.24;
interface IToken {
struct FeeInfo {
uint256 main;
uint256 secondary;
uint256 liquidity;
uint256 proof;
uint256 total;
}
struct ProofInfo {
address locker;
address router;
address proofWallet;
address proofStaking;
}
error ExceedsMaxTxAmount();
error ExceedsMaxWalletAmount();
error InvalidConfiguration();
error TradingNotEnabled();
error TransferDelayEnabled(uint256 currentBlock, uint256 delayedUntil);
}
// File: ProofPlatform-main 2/contracts/ProofStandardStealth.sol
pragma solidity ^0.8.24;
/// This token was incubated and launched by PROOF: https://proofplatform.io/projects. The smart contract is audited by SourceHat: https://sourcehat.com/
contract Token is IToken, ERC20, Ownable {
struct UserInfo {
bool isFeeExempt;
bool isTxLimitExempt;
uint256 lastTxBlock;
}
IUniswapV2Router02 public immutable uniswapV2Router;
address public immutable pair;
address payable public mainWallet;
address payable public secondaryWallet;
address payable public immutable proofWallet;
address payable public immutable proofStaking;
bool public isTradingEnabled;
bool public isAntiSnipeActive = true;
uint256 public antiSnipeEndBlock;
uint256 public launchedAt;
uint256 public maxTxAmount;
uint256 public maxWallet;
uint256 public initMaxWallet;
bool public restrictWhales = true;
bool public maxWalletChanged;
uint256 public swapping;
bool public swapEnabled = true;
uint256 public swapTokensAtAmount;
FeeInfo public feeTokens;
FeeInfo public buyFees;
FeeInfo public sellFees;
uint256 public restingBuyTotal;
uint256 public restingSellTotal;
bool public buyTaxesSettled;
bool public sellTaxesSettled;
bool public proofFeeReduced;
bool public proofFeeRemoved;
uint256 public lockID;
uint256 public immutable lpLockDuration;
address public immutable lockerAddress;
mapping (address => UserInfo) public userInfo;
event SwapAndLiquify(uint256 tokensAutoLiq, uint256 ethAutoLiq);
event SwapAndLiquifyEnabledUpdated(bool enabled);
constructor(
string memory _name,
string memory _symbol,
uint256 _totalSupply,
FeeInfo memory _buyFees,
FeeInfo memory _sellFees,
uint256 _percentToLP,
uint256 _lpLockDuration,
uint256 _initMaxWallet,
address _mainWallet,
address _secondaryWallet,
ProofInfo memory _addresses
) ERC20(_name, _symbol) Ownable(msg.sender) payable {
if (_lpLockDuration < 30 days || msg.value < 1 ether || _percentToLP < 70 || _initMaxWallet < 1) {
revert InvalidConfiguration();
}
(_buyFees.proof, _sellFees.proof) = (2,2);
_validateFees(_buyFees, _sellFees);
restingBuyTotal = _buyFees.total;
restingSellTotal = _sellFees.total;
_buyFees.main = 15 - _buyFees.proof - _buyFees.secondary - _buyFees.liquidity;
_buyFees.total = 15;
_sellFees.main = 20 - _sellFees.proof - _sellFees.secondary - _sellFees.liquidity;
_sellFees.total = 20;
buyFees = _buyFees;
sellFees = _sellFees;
// set addresses
mainWallet = payable(_mainWallet);
secondaryWallet = payable(_secondaryWallet);
lockerAddress = _addresses.locker;
proofWallet = payable(_addresses.proofWallet);
proofStaking = payable(_addresses.proofStaking);
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(_addresses.router);
uniswapV2Router = _uniswapV2Router;
pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uint256 amountToPair = _totalSupply * _percentToLP / 100;
super._update(address(0), address(this), amountToPair); // mint to contract for liquidity
// set basic data
lpLockDuration = _lpLockDuration;
swapTokensAtAmount = _totalSupply * 5 / 4000;
maxTxAmount = _totalSupply * 5 / 1000;
initMaxWallet = _initMaxWallet;
maxWallet = _totalSupply * _initMaxWallet / 1000;
userInfo[address(this)] = UserInfo(true, true, 0);
userInfo[pair].isTxLimitExempt = true;
super._update(address(0), owner(), _totalSupply - amountToPair); // mint to owner
}
function launch() external payable onlyOwner lockTheSwap {
if (launchedAt != 0) {
revert InvalidConfiguration();
}
// enable trading
antiSnipeEndBlock = block.number + 10;
launchedAt = block.timestamp;
isTradingEnabled = true;
// add liquidity
_approve(address(this), address(uniswapV2Router), type(uint256).max);
addLiquidity(balanceOf(address(this)), address(this).balance - msg.value, address(this));
// lock liquidity
uint256 lpBalance = IERC20(pair).balanceOf(address(this));
IERC20(pair).approve(lockerAddress, lpBalance);
lockID = ITeamFinanceLocker(lockerAddress).lockToken{value: msg.value}(pair, msg.sender, lpBalance, block.timestamp + lpLockDuration, false, address(0));
}
function cancel() external onlyOwner {
if (launchedAt != 0) {
revert InvalidConfiguration();
}
// send the tokens and eth back to the owner
super._update(address(this), owner(), balanceOf(address(this)));
address(owner()).call{value: address(this).balance}("");
}
function _update(
address from,
address to,
uint256 amount
) internal override {
if (!isTradingEnabled) {
revert TradingNotEnabled();
}
if (swapping == 2 || from == owner() || to == owner() || amount == 0) {
super._update(from, to, amount);
return;
}
UserInfo storage sender = userInfo[from];
UserInfo storage recipient = userInfo[to];
// 1 purchase per block for the first 10 blocks
if (isAntiSnipeActive) {
if (block.number < antiSnipeEndBlock) {
UserInfo storage user = userInfo[tx.origin];
uint256 delayedUntil = user.lastTxBlock + 1;
if (delayedUntil > block.number) {
revert TransferDelayEnabled(block.number, delayedUntil);
}
user.lastTxBlock = block.number;
} else {
isAntiSnipeActive = false;
}
}
//start at anywhere from 0.1% to 0.5%, increase by 0.1%, every 10 blocks, until it reaches 1%
if (!maxWalletChanged) {
uint256 secondsPassed = block.timestamp - launchedAt;
uint256 percentage = initMaxWallet + (secondsPassed / 120);
if (percentage > 9) {
percentage = 10;
maxWalletChanged = true;
}
uint256 newMax = totalSupply() * percentage / 1000;
if (newMax != maxWallet) {
maxWallet = newMax;
}
}
if (restrictWhales) {
if (to == pair && !sender.isTxLimitExempt && amount > maxTxAmount) {
revert ExceedsMaxTxAmount();
}
if (!recipient.isTxLimitExempt && amount + balanceOf(to) > maxWallet) {
revert ExceedsMaxWalletAmount();
}
}
uint256 total = feeTokens.total;
bool canSwap = total >= swapTokensAtAmount;
if (
canSwap &&
swapEnabled &&
from != pair
) {
processFees(total, swapTokensAtAmount);
}
if (!sender.isFeeExempt && !recipient.isFeeExempt) {
FeeInfo storage _buyFees = buyFees;
FeeInfo storage _sellFees = sellFees;
if (!proofFeeRemoved) {
uint256 secondsPassed = block.timestamp - launchedAt;
if (!proofFeeReduced && secondsPassed > 1 days) {
uint256 totalBuy = _buyFees.total - _buyFees.proof;
if (totalBuy == 0) {
_buyFees.total = 0;
_buyFees.proof = 0;
} else {
_buyFees.total = totalBuy + 1;
_buyFees.proof = 1;
}
uint256 totalSell = _sellFees.total - _sellFees.proof;
if (totalSell == 0) {
_sellFees.total = 0;
_sellFees.proof = 0;
} else {
_sellFees.total = totalSell + 1;
_sellFees.proof = 1;
}
proofFeeReduced = true;
} else if (secondsPassed > 31 days) {
_buyFees.total -= _buyFees.proof;
_sellFees.total -= _sellFees.proof;
_buyFees.proof = 0;
_sellFees.proof = 0;
proofFeeRemoved = true;
} else {
if (!buyTaxesSettled) {
uint256 restingTotal = restingBuyTotal;
uint256 feeTotal = restingTotal;
if (secondsPassed < 1801) {
feeTotal = 15 - (secondsPassed / 120);
}
if (feeTotal <= restingTotal) {
_buyFees.total = restingTotal;
_buyFees.main = restingTotal - _buyFees.liquidity - _buyFees.secondary - _buyFees.proof;
buyTaxesSettled = true;
} else if (feeTotal != _buyFees.total) {
_buyFees.total = feeTotal;
_buyFees.main = feeTotal - _buyFees.liquidity - _buyFees.secondary - _buyFees.proof;
}
}
if (!sellTaxesSettled) {
uint256 restingTotal = restingSellTotal;
uint256 feeTotal = restingTotal;
if (secondsPassed < 2401) {
feeTotal = 20 - (secondsPassed / 120);
}
if (feeTotal <= restingTotal) {
_sellFees.total = restingTotal;
_sellFees.main = restingTotal - _sellFees.liquidity - _sellFees.secondary - _sellFees.proof;
sellTaxesSettled = true;
} else if (feeTotal != _sellFees.total) {
_sellFees.total = feeTotal;
_sellFees.main = feeTotal - _sellFees.liquidity - _sellFees.secondary - _sellFees.proof;
}
}
}
}
uint256 fees;
if (to == pair) { //sell
fees = _calculateFees(_sellFees, amount);
} else if (from == pair) { //buy
fees = _calculateFees(_buyFees, amount);
}
if (fees > 0) {
amount -= fees;
super._update(from, address(this), fees);
}
}
super._update(from, to, amount);
}
function _calculateFees(FeeInfo memory feeRate, uint256 amount) internal returns (uint256 fees) {
if (feeRate.total != 0) {
fees = amount * feeRate.total / 100;
FeeInfo storage _feeTokens = feeTokens;
_feeTokens.main += fees * feeRate.main / feeRate.total;
_feeTokens.secondary += fees * feeRate.secondary / feeRate.total;
_feeTokens.liquidity += fees * feeRate.liquidity / feeRate.total;
_feeTokens.proof += fees * feeRate.proof / feeRate.total;
_feeTokens.total += fees;
}
}
function processFees(uint256 total, uint256 amountToSwap) internal lockTheSwap {
FeeInfo storage _feeTokens = feeTokens;
FeeInfo memory swapTokens;
swapTokens.main = amountToSwap * _feeTokens.main / total;
swapTokens.secondary = amountToSwap * _feeTokens.secondary / total;
swapTokens.liquidity = amountToSwap * _feeTokens.liquidity / total;
swapTokens.proof = amountToSwap * _feeTokens.proof / total;
uint256 amountToPair = swapTokens.liquidity / 2;
swapTokens.total = amountToSwap - amountToPair;
uint256 ethBalance = swapTokensForETH(swapTokens.total);
FeeInfo memory ethSplit;
ethSplit.main = ethBalance * swapTokens.main / swapTokens.total;
if (ethSplit.main > 0) {
address(mainWallet).call{value: ethSplit.main}("");
}
ethSplit.secondary = ethBalance * swapTokens.secondary / swapTokens.total;
if (ethSplit.secondary > 0) {
address(secondaryWallet).call{value: ethSplit.secondary}("");
}
ethSplit.proof = ethBalance * swapTokens.proof / swapTokens.total;
if (ethSplit.proof > 0) {
uint256 revenueSplit = ethSplit.proof / 2;
address(proofStaking).call{value: revenueSplit}("");
address(proofWallet).call{value: ethSplit.proof - revenueSplit}("");
}
uint256 amountPaired;
ethSplit.liquidity = address(this).balance;
if (amountToPair > 0 && ethSplit.liquidity > 0) {
amountPaired = addLiquidity(amountToPair, ethSplit.liquidity, address(0xdead));
emit SwapAndLiquify(amountToPair, ethSplit.liquidity);
}
uint256 liquidityAdjustment = swapTokens.liquidity - (amountToPair - amountPaired);
_feeTokens.main -= swapTokens.main;
_feeTokens.secondary -= swapTokens.secondary;
_feeTokens.liquidity -= liquidityAdjustment;
_feeTokens.proof -= swapTokens.proof;
_feeTokens.total -= swapTokens.main + swapTokens.secondary + swapTokens.proof + liquidityAdjustment;
}
function swapTokensForETH(uint256 tokenAmount) internal returns (uint256 ethBalance) {
uint256 ethBalBefore = address(this).balance;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
ethBalance = address(this).balance - ethBalBefore;
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount, address recipient) private returns (uint256) {
(uint256 amountA,,) = uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0, // slippage is unavoidable
0, // slippage is unavoidable
recipient,
block.timestamp
);
return amountA;
}
function changeFees(
uint256 liquidityBuy,
uint256 mainBuy,
uint256 secondaryBuy,
uint256 liquiditySell,
uint256 mainSell,
uint256 secondarySell
) external onlyOwner {
if (!buyTaxesSettled || !sellTaxesSettled) {
revert InvalidConfiguration();
}
FeeInfo memory _buyFees;
_buyFees.liquidity = liquidityBuy;
_buyFees.main = mainBuy;
_buyFees.secondary = secondaryBuy;
FeeInfo memory _sellFees;
_sellFees.liquidity = liquiditySell;
_sellFees.main = mainSell;
_sellFees.secondary = secondarySell;
(_buyFees.proof, _sellFees.proof) = launchedAt != 0 ? _calculateProofFee() : (2,2);
_validateFees(_buyFees, _sellFees);
buyFees = _buyFees;
sellFees = _sellFees;
}
function _calculateProofFee() internal returns (uint256, uint256) {
uint256 secondsPassed = block.timestamp - launchedAt;
if (secondsPassed > 31 days) {
proofFeeRemoved = true;
return (0,0);
} else if (secondsPassed > 1 days) {
proofFeeReduced = true;
return (1,1);
} else {
return (2,2);
}
}
function _validateFees(FeeInfo memory _buyFees, FeeInfo memory _sellFees) internal pure {
_buyFees.total = _buyFees.liquidity + _buyFees.main + _buyFees.secondary;
if (_buyFees.total == 0) {
_buyFees.proof = 0;
} else {
_buyFees.total += _buyFees.proof;
}
_sellFees.total = _sellFees.liquidity + _sellFees.main + _sellFees.secondary;
if (_sellFees.total == 0) {
_sellFees.proof = 0;
} else {
_sellFees.total += _sellFees.proof;
}
if (_buyFees.total > 7 || _sellFees.total > 7) {
revert InvalidConfiguration();
}
}
function setMaxTxAmount(uint256 _maxTxAmt) external onlyOwner() {
if (launchedAt == 0 ||
_maxTxAmt < (totalSupply() * 5) / 1000 ||
_maxTxAmt > (totalSupply() * 3) / 100
) {
revert InvalidConfiguration();
}
maxTxAmount = _maxTxAmt;
}
function setMaxWalletSize(uint256 _maxWalletSize) external onlyOwner() {
if (launchedAt == 0 ||
_maxWalletSize < (totalSupply() * 5) / 1000 ||
_maxWalletSize > (totalSupply() * 3) / 100
) {
revert InvalidConfiguration();
}
maxWallet = _maxWalletSize;
maxWalletChanged = true;
}
function setRestrictWhalesEnabled(bool _enabled) external onlyOwner{
restrictWhales = _enabled;
}
function setFeeExempt(address account, bool value) public onlyOwner {
userInfo[account].isFeeExempt = value;
}
function setFeeExempt(address[] memory accounts) public onlyOwner {
uint256 len = accounts.length;
for (uint256 i; i < len; i++) {
userInfo[accounts[i]].isFeeExempt = true;
}
}
function setTxLimitExempt(address account, bool value) public onlyOwner {
userInfo[account].isTxLimitExempt = value;
}
function setTxLimitExempt(address[] memory accounts) public onlyOwner {
uint256 len = accounts.length;
for (uint256 i; i < len; i++) {
userInfo[accounts[i]].isTxLimitExempt = true;
}
}
function setMainWallet(address newWallet) external onlyOwner {
mainWallet = payable(newWallet);
}
function setSecondaryWallet(address newWallet) external onlyOwner {
secondaryWallet = payable(newWallet);
}
function setSwapAndLiquifyEnabled(bool _enabled) external onlyOwner {
swapEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function setSwapAtAmount(uint256 amount) external onlyOwner {
swapTokensAtAmount = amount;
}
function withdrawStuckTokens() external onlyOwner {
super._update(address(this), _msgSender(), balanceOf(address(this)) - feeTokens.total);
}
function getCirculatingSupply() external view returns (uint256) {
return totalSupply() - balanceOf(address(0xdead));
}
modifier lockTheSwap() {
swapping = 2;
_;
swapping = 1;
}
function decimals() public view virtual override returns (uint8) {
return 9;
}
function version() public pure returns (uint8) {
return 1;
}
receive() external payable {}
}