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Read Contract
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Minimal Proxy Contract for 0x4320e2310274df1c1a46319044286389c6d16987.
EIP-1167 - minimal bytecode implementation that delegates all calls to a known address
EIP-1167 - minimal bytecode implementation that delegates all calls to a known address
- Contract name:
- ERC223TokenCloned
- Optimization enabled
- true
- Compiler version
- v0.8.9+commit.e5eed63a
- Optimization runs
- 200
- Verified at
- 2023-03-03T09:55:21.069384Z
Contract source code
// SPDX-License-Identifier: No License (None) pragma solidity ^0.8.0; library Address { /** * @dev Returns true if `account` is a contract. * * This test is non-exhaustive, and there may be false-negatives: during the * execution of a contract's constructor, its address will be reported as * not containing a contract. * * > It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. */ function isContract(address account) internal view returns (bool) { // This method relies in extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; // solhint-disable-next-line no-inline-assembly assembly { size := extcodesize(account) } return size > 0; } } interface IERC223 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the token decimals. */ function decimals() external view returns (uint8); /** * @dev Returns the token symbol. */ function symbol() external view returns (string memory); /** * @dev Returns the token name. */ function name() external view returns (string memory); /** * @dev Returns the token standard. */ function standard() external pure returns (string memory); /** * @dev Returns the bep token owner. */ function getOwner() external view returns (address); /** * @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); function transfer(address recipient, uint256 amount, bytes calldata data) 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); event TransferData(bytes data); /** * @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); } interface IERC223Recipient { function tokenReceived(address _from, uint _value, bytes calldata _data) external; } contract Ownable { address internal _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == msg.sender, "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 onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = 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 onlyOwner { _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). */ function _transferOwnership(address newOwner) internal { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } contract ERC223TokenCloned is Ownable, IERC223 { using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; uint8 private _decimals; string private _symbol; string private _name; bool private _isInitialized; address public minter; event SetMinter(address previousMinter, address newMinter); event RescuedERC20(address token, address to, uint256 value); /** * @dev Throws if called by any account other than the minter. */ modifier onlyMinter() { require(msg.sender == minter, "Caller is not admin"); _; } // initialize contract. Used instead of constructor in cloned contract function initialize(address newOwner, string calldata name_, string calldata symbol_, uint8 decimals_) external { require(!_isInitialized, "Already Initialized"); _isInitialized = true; minter = msg.sender; // set bridge as minter emit SetMinter(address(0), minter); _name = name_; _symbol = symbol_; _decimals = decimals_; _owner = newOwner; emit OwnershipTransferred(address(0), newOwner); } /* // allow owner to change minter (bridge) function setMinter(address newMinter) external onlyOwner { minter = newMinter; emit SetMinter(address(0), minter); } */ /** * @dev Mint tokens to user in amount of his deposit. Used by bridge to mint wrapped tokens * @param user - address of user's wallet * @param amount - amount of token to mint (should be equivalent of USDT amount of deposit) */ function mint(address user, uint256 amount) external onlyMinter { _mint(user, amount); } /** * @dev Returns the bep token owner. */ function getOwner() external view override returns (address) { return owner(); } /** * @dev Returns the token decimals. */ function decimals() external view override returns (uint8) { return _decimals; } /** * @dev Returns the token symbol. */ function symbol() external view override returns (string memory) { return _symbol; } /** * @dev Returns the token name. */ function name() external view override returns (string memory) { return _name; } /** * @dev Returns the token standard. */ function standard() external pure override returns (string memory) { return "erc223"; } /** * @dev See {ERC223-totalSupply}. */ function totalSupply() external view override returns (uint256) { return _totalSupply; } /** * @dev See {ERC223-balanceOf}. */ function balanceOf(address account) external view override returns (uint256) { return _balances[account]; } /** * @dev See {ERC223-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint amount) external override returns (bool) { bytes memory _empty = hex"00000000"; _transfer(msg.sender, recipient, amount); if(recipient.isContract()) { IERC223Recipient(recipient).tokenReceived(msg.sender, amount, _empty); } emit TransferData(_empty); return true; } function transfer(address recipient, uint amount, bytes calldata data) external override returns (bool) { _transfer(msg.sender, recipient, amount); if(recipient.isContract()) { IERC223Recipient(recipient).tokenReceived(msg.sender, amount, data); } emit TransferData(data); return true; } /** * @dev See {ERC223-allowance}. */ function allowance(address owner, address spender) external view override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {ERC223-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) external override returns (bool) { _approve(msg.sender, spender, amount); return true; } /** * @dev See {ERC223-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC223}; * * 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) external override returns (bool) { _transfer(sender, recipient, amount); require(_allowances[sender][msg.sender] >= amount, "ERC223: transfer amount exceeds allowance"); _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount); 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 {ERC223-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public returns (bool) { _approve(msg.sender, spender, _allowances[msg.sender][spender] + 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 {ERC223-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 returns (bool) { uint256 newAllawnce; if(_allowances[spender][msg.sender] > subtractedValue) { newAllawnce = _allowances[msg.sender][spender] - subtractedValue; } _approve(msg.sender, spender, newAllawnce); 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 { require(sender != address(0), "ERC223: transfer from the zero address"); require(recipient != address(0), "ERC223: transfer to the zero address"); require(_balances[sender] >= amount, "ERC223: transfer amount exceeds balance"); _balances[sender] = _balances[sender] - amount; _balances[recipient] = _balances[recipient] + 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 { require(account != address(0), "ERC223: mint to the zero address"); _totalSupply = _totalSupply + amount; _balances[account] = _balances[account] + 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 { require(account != address(0), "ERC223: burn from the zero address"); require(_balances[account] >= amount, "ERC223: burn amount exceeds balance"); _balances[account] = _balances[account] - amount; _totalSupply = _totalSupply - amount; emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is 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 { require(owner != address(0), "ERC223: approve from the zero address"); require(spender != address(0), "ERC223: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Destroys `amount` tokens from `account`.`amount` is then deducted * from the caller's allowance. * * See {_burn} and {_approve}. */ function _burnFrom(address account, uint256 amount) internal { _burn(account, amount); require(_allowances[account][msg.sender] >= amount, "ERC223: transfer amount exceeds allowance"); _approve(account, msg.sender, _allowances[account][msg.sender] - amount); } function burnFrom(address account, uint256 amount) external returns(bool) { _burnFrom(account, amount); return true; } function burn(uint256 amount) external returns(bool) { _burn(msg.sender, amount); return true; } // allow owner to rescue ERC20 tokens from contract function rescueERC20(address token, address to) external onlyOwner { uint256 value = IERC223(token).balanceOf(address(this)); safeTransfer(token, to, value); emit RescuedERC20(token, to, value); } function safeTransfer(address token, address to, uint value) internal { // bytes4(keccak256(bytes('transfer(address,uint256)'))); (bool success, bytes memory data) = token.call(abi.encodeWithSelector(0xa9059cbb, to, value)); require(success && (data.length == 0 || abi.decode(data, (bool))), 'TransferHelper: TRANSFER_FAILED'); } }
Contract ABI
[{"type":"event","name":"Approval","inputs":[{"type":"address","name":"owner","internalType":"address","indexed":true},{"type":"address","name":"spender","internalType":"address","indexed":true},{"type":"uint256","name":"value","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"RescuedERC20","inputs":[{"type":"address","name":"token","internalType":"address","indexed":false},{"type":"address","name":"to","internalType":"address","indexed":false},{"type":"uint256","name":"value","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"SetMinter","inputs":[{"type":"address","name":"previousMinter","internalType":"address","indexed":false},{"type":"address","name":"newMinter","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"from","internalType":"address","indexed":true},{"type":"address","name":"to","internalType":"address","indexed":true},{"type":"uint256","name":"value","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"TransferData","inputs":[{"type":"bytes","name":"data","internalType":"bytes","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"allowance","inputs":[{"type":"address","name":"owner","internalType":"address"},{"type":"address","name":"spender","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"approve","inputs":[{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"balanceOf","inputs":[{"type":"address","name":"account","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"burn","inputs":[{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"burnFrom","inputs":[{"type":"address","name":"account","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint8","name":"","internalType":"uint8"}],"name":"decimals","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"decreaseAllowance","inputs":[{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"subtractedValue","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"getOwner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"increaseAllowance","inputs":[{"type":"address","name":"spender","internalType":"address"},{"type":"uint256","name":"addedValue","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"initialize","inputs":[{"type":"address","name":"newOwner","internalType":"address"},{"type":"string","name":"name_","internalType":"string"},{"type":"string","name":"symbol_","internalType":"string"},{"type":"uint8","name":"decimals_","internalType":"uint8"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"mint","inputs":[{"type":"address","name":"user","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"minter","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"name","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"rescueERC20","inputs":[{"type":"address","name":"token","internalType":"address"},{"type":"address","name":"to","internalType":"address"}]},{"type":"function","stateMutability":"pure","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"standard","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"string","name":"","internalType":"string"}],"name":"symbol","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"totalSupply","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transfer","inputs":[{"type":"address","name":"recipient","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transfer","inputs":[{"type":"address","name":"recipient","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"},{"type":"bytes","name":"data","internalType":"bytes"}]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"","internalType":"bool"}],"name":"transferFrom","inputs":[{"type":"address","name":"sender","internalType":"address"},{"type":"address","name":"recipient","internalType":"address"},{"type":"uint256","name":"amount","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]}]
Deployed ByteCode
0x363d3d373d3d3d363d734320e2310274df1c1a46319044286389c6d169875af43d82803e903d91602b57fd5bf3