{"sources":{"ERC20Mintable.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\n//  $$$$$$\\  $$\\\r\n// $$  __$$\\ $$ |\r\n// $$ /  \\__|$$$$$$$\\   $$$$$$\\   $$$$$$\\  $$$$$$\\$$$$\\   $$$$$$$\\\r\n// $$ |      $$  __$$\\ $$  __$$\\ $$  __$$\\ $$  _$$  _$$\\ $$  _____|\r\n// $$ |      $$ |  $$ |$$$$$$$$ |$$$$$$$$ |$$ / $$ / $$ |\\$$$$$$\\\r\n// $$ |  $$\\ $$ |  $$ |$$   ____|$$   ____|$$ | $$ | $$ | \\____$$\\\r\n// \\$$$$$$  |$$ |  $$ |\\$$$$$$$\\ \\$$$$$$$\\ $$ | $$ | $$ |$$$$$$$  |\r\n//  \\______/ \\__|  \\__| \\_______| \\_______|\\__| \\__| \\__|\\_______/\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Provides information about the current execution context, including the\r\n * sender of the transaction and its data. While these are generally available\r\n * via msg.sender and msg.data, they should not be accessed in such a direct\r\n * manner, since when dealing with meta-transactions the account sending and\r\n * paying for execution may not be the actual sender (as far as an application\r\n * is concerned).\r\n *\r\n * This contract is only required for intermediate, library-like contracts.\r\n */\r\nabstract contract Context {\r\n    function _msgSender() internal view virtual returns (address) {\r\n        return msg.sender;\r\n    }\r\n\r\n    function _msgData() internal view virtual returns (bytes calldata) {\r\n        return msg.data;\r\n    }\r\n\r\n    function _contextSuffixLength() internal view virtual returns (uint256) {\r\n        return 0;\r\n    }\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/access/Ownable.sol@v4.9.6\r\n\r\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Contract module which provides a basic access control mechanism, where\r\n * there is an account (an owner) that can be granted exclusive access to\r\n * specific functions.\r\n *\r\n * By default, the owner account will be the one that deploys the contract. This\r\n * can later be changed with {transferOwnership}.\r\n *\r\n * This module is used through inheritance. It will make available the modifier\r\n * `onlyOwner`, which can be applied to your functions to restrict their use to\r\n * the owner.\r\n */\r\nabstract contract Ownable is Context {\r\n    address private _owner;\r\n\r\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\r\n\r\n    /**\r\n     * @dev Initializes the contract setting the deployer as the initial owner.\r\n     */\r\n    constructor() {\r\n        _transferOwnership(_msgSender());\r\n    }\r\n\r\n    /**\r\n     * @dev Throws if called by any account other than the owner.\r\n     */\r\n    modifier onlyOwner() {\r\n        _checkOwner();\r\n        _;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the address of the current owner.\r\n     */\r\n    function owner() public view virtual returns (address) {\r\n        return _owner;\r\n    }\r\n\r\n    /**\r\n     * @dev Throws if the sender is not the owner.\r\n     */\r\n    function _checkOwner() internal view virtual {\r\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\r\n    }\r\n\r\n    /**\r\n     * @dev Leaves the contract without owner. It will not be possible to call\r\n     * `onlyOwner` functions. Can only be called by the current owner.\r\n     *\r\n     * NOTE: Renouncing ownership will leave the contract without an owner,\r\n     * thereby disabling any functionality that is only available to the owner.\r\n     */\r\n    function renounceOwnership() public virtual onlyOwner {\r\n        _transferOwnership(address(0));\r\n    }\r\n\r\n    /**\r\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n     * Can only be called by the current owner.\r\n     */\r\n    function transferOwnership(address newOwner) public virtual onlyOwner {\r\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\r\n        _transferOwnership(newOwner);\r\n    }\r\n\r\n    /**\r\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n     * Internal function without access restriction.\r\n     */\r\n    function _transferOwnership(address newOwner) internal virtual {\r\n        address oldOwner = _owner;\r\n        _owner = newOwner;\r\n        emit OwnershipTransferred(oldOwner, newOwner);\r\n    }\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/token/ERC20/IERC20.sol@v4.9.6\r\n\r\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Interface of the ERC20 standard as defined in the EIP.\r\n */\r\ninterface IERC20 {\r\n    /**\r\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\r\n     * another (`to`).\r\n     *\r\n     * Note that `value` may be zero.\r\n     */\r\n    event Transfer(address indexed from, address indexed to, uint256 value);\r\n\r\n    /**\r\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\r\n     * a call to {approve}. `value` is the new allowance.\r\n     */\r\n    event Approval(address indexed owner, address indexed spender, uint256 value);\r\n\r\n    /**\r\n     * @dev Returns the amount of tokens in existence.\r\n     */\r\n    function totalSupply() external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Returns the amount of tokens owned by `account`.\r\n     */\r\n    function balanceOf(address account) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from the caller's account to `to`.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transfer(address to, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Returns the remaining number of tokens that `spender` will be\r\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\r\n     * zero by default.\r\n     *\r\n     * This value changes when {approve} or {transferFrom} are called.\r\n     */\r\n    function allowance(address owner, address spender) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\r\n     * that someone may use both the old and the new allowance by unfortunate\r\n     * transaction ordering. One possible solution to mitigate this race\r\n     * condition is to first reduce the spender's allowance to 0 and set the\r\n     * desired value afterwards:\r\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\r\n     *\r\n     * Emits an {Approval} event.\r\n     */\r\n    function approve(address spender, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from `from` to `to` using the\r\n     * allowance mechanism. `amount` is then deducted from the caller's\r\n     * allowance.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transferFrom(address from, address to, uint256 amount) external returns (bool);\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol@v4.9.6\r\n\r\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Interface for the optional metadata functions from the ERC20 standard.\r\n *\r\n * _Available since v4.1._\r\n */\r\ninterface IERC20Metadata is IERC20 {\r\n    /**\r\n     * @dev Returns the name of the token.\r\n     */\r\n    function name() external view returns (string memory);\r\n\r\n    /**\r\n     * @dev Returns the symbol of the token.\r\n     */\r\n    function symbol() external view returns (string memory);\r\n\r\n    /**\r\n     * @dev Returns the decimals places of the token.\r\n     */\r\n    function decimals() external view returns (uint8);\r\n}\r\n\r\n\r\n// File @openzeppelin/contracts/token/ERC20/ERC20.sol@v4.9.6\r\n\r\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)\r\n\r\npragma solidity ^0.8.0;\r\n\r\n\r\n\r\n/**\r\n * @dev Implementation of the {IERC20} interface.\r\n *\r\n * This implementation is agnostic to the way tokens are created. This means\r\n * that a supply mechanism has to be added in a derived contract using {_mint}.\r\n * For a generic mechanism see {ERC20PresetMinterPauser}.\r\n *\r\n * TIP: For a detailed writeup see our guide\r\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\r\n * to implement supply mechanisms].\r\n *\r\n * The default value of {decimals} is 18. To change this, you should override\r\n * this function so it returns a different value.\r\n *\r\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\r\n * instead returning `false` on failure. This behavior is nonetheless\r\n * conventional and does not conflict with the expectations of ERC20\r\n * applications.\r\n *\r\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\r\n * This allows applications to reconstruct the allowance for all accounts just\r\n * by listening to said events. Other implementations of the EIP may not emit\r\n * these events, as it isn't required by the specification.\r\n *\r\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\r\n * functions have been added to mitigate the well-known issues around setting\r\n * allowances. See {IERC20-approve}.\r\n */\r\ncontract ERC20 is Context, IERC20, IERC20Metadata {\r\n    mapping(address => uint256) private _balances;\r\n\r\n    mapping(address => mapping(address => uint256)) private _allowances;\r\n\r\n    uint256 private _totalSupply;\r\n\r\n    string private _name;\r\n    string private _symbol;\r\n\r\n    /**\r\n     * @dev Sets the values for {name} and {symbol}.\r\n     *\r\n     * All two of these values are immutable: they can only be set once during\r\n     * construction.\r\n     */\r\n    constructor(string memory name_, string memory symbol_) {\r\n        _name = name_;\r\n        _symbol = symbol_;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the name of the token.\r\n     */\r\n    function name() public view virtual override returns (string memory) {\r\n        return _name;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the symbol of the token, usually a shorter version of the\r\n     * name.\r\n     */\r\n    function symbol() public view virtual override returns (string memory) {\r\n        return _symbol;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the number of decimals used to get its user representation.\r\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\r\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\r\n     *\r\n     * Tokens usually opt for a value of 18, imitating the relationship between\r\n     * Ether and Wei. This is the default value returned by this function, unless\r\n     * it's overridden.\r\n     *\r\n     * NOTE: This information is only used for _display_ purposes: it in\r\n     * no way affects any of the arithmetic of the contract, including\r\n     * {IERC20-balanceOf} and {IERC20-transfer}.\r\n     */\r\n    function decimals() public view virtual override returns (uint8) {\r\n        return 18;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-totalSupply}.\r\n     */\r\n    function totalSupply() public view virtual override returns (uint256) {\r\n        return _totalSupply;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-balanceOf}.\r\n     */\r\n    function balanceOf(address account) public view virtual override returns (uint256) {\r\n        return _balances[account];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-transfer}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `to` cannot be the zero address.\r\n     * - the caller must have a balance of at least `amount`.\r\n     */\r\n    function transfer(address to, uint256 amount) public virtual override returns (bool) {\r\n        address owner = _msgSender();\r\n        _transfer(owner, to, amount);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-allowance}.\r\n     */\r\n    function allowance(address owner, address spender) public view virtual override returns (uint256) {\r\n        return _allowances[owner][spender];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-approve}.\r\n     *\r\n     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\r\n     * `transferFrom`. This is semantically equivalent to an infinite approval.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function approve(address spender, uint256 amount) public virtual override returns (bool) {\r\n        address owner = _msgSender();\r\n        _approve(owner, spender, amount);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-transferFrom}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance. This is not\r\n     * required by the EIP. See the note at the beginning of {ERC20}.\r\n     *\r\n     * NOTE: Does not update the allowance if the current allowance\r\n     * is the maximum `uint256`.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `from` and `to` cannot be the zero address.\r\n     * - `from` must have a balance of at least `amount`.\r\n     * - the caller must have allowance for ``from``'s tokens of at least\r\n     * `amount`.\r\n     */\r\n    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\r\n        address spender = _msgSender();\r\n        _spendAllowance(from, spender, amount);\r\n        _transfer(from, to, amount);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Atomically increases the allowance granted to `spender` by the caller.\r\n     *\r\n     * This is an alternative to {approve} that can be used as a mitigation for\r\n     * problems described in {IERC20-approve}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\r\n        address owner = _msgSender();\r\n        _approve(owner, spender, allowance(owner, spender) + addedValue);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Atomically decreases the allowance granted to `spender` by the caller.\r\n     *\r\n     * This is an alternative to {approve} that can be used as a mitigation for\r\n     * problems described in {IERC20-approve}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     * - `spender` must have allowance for the caller of at least\r\n     * `subtractedValue`.\r\n     */\r\n    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\r\n        address owner = _msgSender();\r\n        uint256 currentAllowance = allowance(owner, spender);\r\n        require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\r\n        unchecked {\r\n            _approve(owner, spender, currentAllowance - subtractedValue);\r\n        }\r\n\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Moves `amount` of tokens from `from` to `to`.\r\n     *\r\n     * This internal function is equivalent to {transfer}, and can be used to\r\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `from` cannot be the zero address.\r\n     * - `to` cannot be the zero address.\r\n     * - `from` must have a balance of at least `amount`.\r\n     */\r\n    function _transfer(address from, address to, uint256 amount) internal virtual {\r\n        require(from != address(0), \"ERC20: transfer from the zero address\");\r\n        require(to != address(0), \"ERC20: transfer to the zero address\");\r\n\r\n        _beforeTokenTransfer(from, to, amount);\r\n\r\n        uint256 fromBalance = _balances[from];\r\n        require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\r\n        unchecked {\r\n            _balances[from] = fromBalance - amount;\r\n            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\r\n            // decrementing then incrementing.\r\n            _balances[to] += amount;\r\n        }\r\n\r\n        emit Transfer(from, to, amount);\r\n\r\n        _afterTokenTransfer(from, to, amount);\r\n    }\r\n\r\n    /** @dev Creates `amount` tokens and assigns them to `account`, increasing\r\n     * the total supply.\r\n     *\r\n     * Emits a {Transfer} event with `from` set to the zero address.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `account` cannot be the zero address.\r\n     */\r\n    function _mint(address account, uint256 amount) internal virtual {\r\n        require(account != address(0), \"ERC20: mint to the zero address\");\r\n\r\n        _beforeTokenTransfer(address(0), account, amount);\r\n\r\n        _totalSupply += amount;\r\n        unchecked {\r\n            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\r\n            _balances[account] += amount;\r\n        }\r\n        emit Transfer(address(0), account, amount);\r\n\r\n        _afterTokenTransfer(address(0), account, amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Destroys `amount` tokens from `account`, reducing the\r\n     * total supply.\r\n     *\r\n     * Emits a {Transfer} event with `to` set to the zero address.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `account` cannot be the zero address.\r\n     * - `account` must have at least `amount` tokens.\r\n     */\r\n    function _burn(address account, uint256 amount) internal virtual {\r\n        require(account != address(0), \"ERC20: burn from the zero address\");\r\n\r\n        _beforeTokenTransfer(account, address(0), amount);\r\n\r\n        uint256 accountBalance = _balances[account];\r\n        require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\r\n        unchecked {\r\n            _balances[account] = accountBalance - amount;\r\n            // Overflow not possible: amount <= accountBalance <= totalSupply.\r\n            _totalSupply -= amount;\r\n        }\r\n\r\n        emit Transfer(account, address(0), amount);\r\n\r\n        _afterTokenTransfer(account, address(0), amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\r\n     *\r\n     * This internal function is equivalent to `approve`, and can be used to\r\n     * e.g. set automatic allowances for certain subsystems, etc.\r\n     *\r\n     * Emits an {Approval} event.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `owner` cannot be the zero address.\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function _approve(address owner, address spender, uint256 amount) internal virtual {\r\n        require(owner != address(0), \"ERC20: approve from the zero address\");\r\n        require(spender != address(0), \"ERC20: approve to the zero address\");\r\n\r\n        _allowances[owner][spender] = amount;\r\n        emit Approval(owner, spender, amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\r\n     *\r\n     * Does not update the allowance amount in case of infinite allowance.\r\n     * Revert if not enough allowance is available.\r\n     *\r\n     * Might emit an {Approval} event.\r\n     */\r\n    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\r\n        uint256 currentAllowance = allowance(owner, spender);\r\n        if (currentAllowance != type(uint256).max) {\r\n            require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\r\n            unchecked {\r\n                _approve(owner, spender, currentAllowance - amount);\r\n            }\r\n        }\r\n    }\r\n\r\n    /**\r\n     * @dev Hook that is called before any transfer of tokens. This includes\r\n     * minting and burning.\r\n     *\r\n     * Calling conditions:\r\n     *\r\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n     * will be transferred to `to`.\r\n     * - when `from` is zero, `amount` tokens will be minted for `to`.\r\n     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\r\n     * - `from` and `to` are never both zero.\r\n     *\r\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n     */\r\n    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\r\n\r\n    /**\r\n     * @dev Hook that is called after any transfer of tokens. This includes\r\n     * minting and burning.\r\n     *\r\n     * Calling conditions:\r\n     *\r\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n     * has been transferred to `to`.\r\n     * - when `from` is zero, `amount` tokens have been minted for `to`.\r\n     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\r\n     * - `from` and `to` are never both zero.\r\n     *\r\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n     */\r\n    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\r\n}\r\n\r\n\r\n// File contracts/ERC20Mintable.sol\r\npragma solidity ^0.8.6;\r\n\r\n\r\ncontract ERC20Mintable is ERC20, Ownable {\r\n    address public minter;\r\n\r\n    constructor(string memory _name, string memory _symbol, uint256 _total) ERC20(_name, _symbol) {\r\n        _mint(address(this), _total);\r\n    }\r\n\r\n    function airdrop(address account, uint256 amount) external {\r\n        require(_msgSender() == minter, \"invalid minter\");\r\n        IERC20(address(this)).transfer(account, amount);\r\n    }\r\n\r\n    function setMinter(address _minter) external onlyOwner {\r\n        minter = _minter;\r\n    }\r\n\r\n    function withdraw(address _token, address _account, uint256 _amount) external onlyOwner {\r\n        IERC20(_token).transfer(_account, _amount);\r\n    }\r\n}"}},"deployment":{"transactionHash":"0x60ced0426e0a0ebcf44fb48340888ea7d91ca4d81d9e4841974c255b224232c0","blockNumber":"42638147","transactionIndex":"158","deployer":"0x52759A2B04c9733f7769D6E277cb1fEE28DAB3ca"},"matchId":"9867710","creationMatch":"match","runtimeMatch":"match","verifiedAt":"2025-11-09T22:14:47Z","match":"match","chainId":"56","address":"0x0DF0587216a4a1bB7d5082fdc491d93d2dD4B413"}