Token Tether USD

 

Overview [ERC-20]

Price
$1.00 @ 1.133282 Eth (+0.08%)
Fully Diluted Market Cap
Max Total Supply:
100,213,502.307192 USDT

Holders:
204,814 ( 0.542%)
Balance
25.00875 USDT

Value
$25.01 ( ~28.3458 Eth) [0.0000%]
0xe6bc95f98e954bd84ae3af14ca1a8f4509e4a764
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OVERVIEW

Mantle bridged USDT.

# Exchange Pair Price  24H Volume % Volume
1
Agni Finance
0XCDA86A272531E8640CD7F1A92C01839911B90BB0-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002898 Eth
$1,669,178.0000
454.257 0XCDA86A272531E8640CD7F1A92C01839911B90BB0
0.0088%
2
Merchant Moe Liquidity Book (Mantle)
0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002894 Eth
$1,543,603.0000
1,722,777.115 0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8
33.4570%
3
Agni Finance
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0120
0.0002922 Eth
$1,202,370.0000
1,187,264.289 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
23.0572%
4
Methlab (Mantle)
0XCDA86A272531E8640CD7F1A92C01839911B90BB0-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9986
0.0002895 Eth
$1,106,693.0000
303.191 0XCDA86A272531E8640CD7F1A92C01839911B90BB0
0.0059%
5
Merchant Moe Liquidity Book (Mantle)
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0080
0.0002909 Eth
$980,283.0000
275.362 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0053%
6
Merchant Moe Liquidity Book (Mantle)
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002894 Eth
$854,872.0000
852,472.448 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
16.5554%
7
Agni Finance
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0010
0.0002890 Eth
$816,582.0000
230.904 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0045%
8
Merchant Moe
0XCDA86A272531E8640CD7F1A92C01839911B90BB0-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002911 Eth
$567,584.0000
154.596 0XCDA86A272531E8640CD7F1A92C01839911B90BB0
0.0030%
9
FusionX V3
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9950
0.0002875 Eth
$526,331.0000
149.871 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0029%
10
Merchant Moe Liquidity Book (Mantle)
0XCDA86A272531E8640CD7F1A92C01839911B90BB0-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002894 Eth
$490,312.0000
133.801 0XCDA86A272531E8640CD7F1A92C01839911B90BB0
0.0026%
11
Agni Finance
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002894 Eth
$414,157.0000
116.902 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0023%
12
FusionX V3
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9950
0.0002875 Eth
$332,978.0000
334,576.895 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
6.4976%
13
Cleopatra Exchange
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9963
0.0002888 Eth
$236,341.0000
237,169.838 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
4.6059%
14
Merchant Moe
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002911 Eth
$208,175.0000
58.751 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0011%
15
Agni Finance
0X5BE26527E817998A7206475496FDE1E68957C5A6-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9997
0.0002886 Eth
$174,755.0000
167,366.923 0X5BE26527E817998A7206475496FDE1E68957C5A6
3.2503%
16
Merchant Moe Liquidity Book (Mantle)
0X4B7F28397B4294277E7825F224172944F4F5A877-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002894 Eth
$161,843.0000
318,134.683 0X4B7F28397B4294277E7825F224172944F4F5A877
6.1783%
17
FusionX V3
0XCDA86A272531E8640CD7F1A92C01839911B90BB0-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9890
0.0002858 Eth
$132,278.0000
36.618 0XCDA86A272531E8640CD7F1A92C01839911B90BB0
0.0007%
18
Agni Finance
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9996
0.0002885 Eth
$67,547.0000
69,334.004 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
1.3465%
19
FusionX V3
0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9950
0.0002875 Eth
$57,051.0000
64,162.215 0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8
1.2461%
20
Cleopatra Exchange
0XD2B4C9B0D70E3DA1FBDD98F469BD02E77E12FC79-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9963
0.0002888 Eth
$44,016.0000
44,443.383 0XD2B4C9B0D70E3DA1FBDD98F469BD02E77E12FC79
0.8631%
21
Cleopatra Exchange
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9971
0.0002891 Eth
$31,269.0000
31,719.521 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.6160%
22
Cleopatra Exchange
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9963
0.0002888 Eth
$19,550.1200
20,117.707 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.3907%
23
iZiSwap (Mantle)
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$1.0000
0.0002891 Eth
$10,800.0800
10,972.766 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.2131%
24
Merchant Moe
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002911 Eth
$8,503.6100
8,490.270 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.1649%
25
Merchant Moe
0X4515A45337F461A11FF0FE8ABF3C606AE5DC00C9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002911 Eth
$6,409.3500
56,229.669 0X4515A45337F461A11FF0FE8ABF3C606AE5DC00C9
1.0920%
26
Merchant Moe
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$1.0080
0.0002914 Eth
$5,096.7300
5,129.777 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0996%
27
Butter.xyz
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9951
0.0002885 Eth
$4,466.5600
4,487.475 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.0871%
28
Swapsicle V2 (Mantle)
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9952
0.0002878 Eth
$3,683.2900
1.049 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0000%
29
Merchant Moe
0X4B7F28397B4294277E7825F224172944F4F5A877-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0040
0.0002911 Eth
$2,242.9800
4,387.629 0X4B7F28397B4294277E7825F224172944F4F5A877
0.0852%
30
iZiSwap (Mantle)
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9976
0.0002883 Eth
$1,984.7700
1,988.016 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.0386%
31
iZiSwap (Mantle)
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9996
0.0002889 Eth
$1,944.2700
1,974.801 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0384%
32
iZiSwap (Mantle)
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9998
0.0002894 Eth
$1,906.1000
0.541 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0000%
33
Cleopatra Exchange
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0030
0.0002857 Eth
$939.9000
937.127 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.0182%
34
Butter.xyz
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9953
0.0002886 Eth
$831.0100
846.701 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0164%
35
Butter.xyz
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9937
0.0002881 Eth
$693.0500
713.076 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0138%
36
Butter.xyz
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$1.0020
0.0002854 Eth
$323.2300
4.403 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.0001%
37
Agni Finance
0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9972
0.0002872 Eth
$240.9600
241.522 0X09BC4E0D864854C6AFB6EB9A9CDF58AC190D0DF9
0.0047%
38
Agni Finance
0XD2B4C9B0D70E3DA1FBDD98F469BD02E77E12FC79-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9999
0.0002853 Eth
$233.2700
234.118 0XD2B4C9B0D70E3DA1FBDD98F469BD02E77E12FC79
0.0045%
39
iZiSwap (Mantle)
0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9982
0.0002885 Eth
$97.7900
0.028 0XDEADDEADDEADDEADDEADDEADDEADDEADDEAD1111
0.0000%
40
FusionX V3
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9998
0.0002889 Eth
$76.8100
77.686 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0015%
41
Agni Finance
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$1.0010
0.0002850 Eth
$57.6400
56.854 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0011%
42
FusionX V2
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9961
0.0002878 Eth
$52.4400
53.198 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0010%
43
Butter.xyz
0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE-0X78C1B0C915C4FAA5FFFA6CABF0219DA63D7F4CB8$0.9997
0.0002618 Eth
$46.6400
46.539 0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE
0.0009%
44
FusionX V3
0X51CFE5B1E764DC253F4C8C1F19A081FF4C3517ED-0X201EBA5CC46D216CE6DC03F6A759E8E766E956AE$0.9950
0.0002875 Eth
$2.7300
999.847 0X51CFE5B1E764DC253F4C8C1F19A081FF4C3517ED
0.0194%

Contract Source Code Verified (Exact Match)

Contract Name:
USDT

Compiler Version
v0.8.18+commit.87f61d96

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion
File 1 of 8 : USDT.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.18;

import { L2StandardERC20 } from "./L2StandardERC20.sol";

contract USDT is L2StandardERC20 {
    constructor(
      address _l2Bridge,
      address _l1Token
    )
    L2StandardERC20(_l2Bridge, _l1Token, "Tether USD", "USDT", 6)
    {
    }
}

File 2 of 8 : L2StandardERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import { ERC20 } from "openzeppelin-contracts/token/ERC20/ERC20.sol";
import "./IL2StandardERC20.sol";

contract L2StandardERC20 is IL2StandardERC20, ERC20 {
    address public l1Token;
    address public l2Bridge;
    uint8 public decimal;

    /**
     * @param _l2Bridge Address of the L2 standard bridge.
     * @param _l1Token Address of the corresponding L1 token.
     * @param _name ERC20 name.
     * @param _symbol ERC20 symbol.
     */
    constructor(
        address _l2Bridge,
        address _l1Token,
        string memory _name,
        string memory _symbol,
        uint8 _decimal
    ) ERC20(_name, _symbol) {
        l1Token = _l1Token;
        l2Bridge = _l2Bridge;
        decimal = _decimal;
    }

    modifier onlyL2Bridge() {
        require(msg.sender == l2Bridge, "Only L2 Bridge can mint and burn");
        _;
    }

    // slither-disable-next-line external-function
    function supportsInterface(bytes4 _interfaceId) public pure returns (bool) {
        bytes4 firstSupportedInterface = bytes4(keccak256("supportsInterface(bytes4)")); // ERC165
        bytes4 secondSupportedInterface = IL2StandardERC20.l1Token.selector ^
            IL2StandardERC20.mint.selector ^
            IL2StandardERC20.burn.selector;
        return _interfaceId == firstSupportedInterface || _interfaceId == secondSupportedInterface;
    }

    // slither-disable-next-line external-function
    function mint(address _to, uint256 _amount) public virtual onlyL2Bridge {
        _mint(_to, _amount);

        emit Mint(_to, _amount);
    }

    // slither-disable-next-line external-function
    function burn(address _from, uint256 _amount) public virtual onlyL2Bridge {
        _burn(_from, _amount);

        emit Burn(_from, _amount);
    }

    // slither-disable-next-line external-function
    function decimals() public view virtual override returns (uint8) {
        return decimal;
    }

}

File 3 of 8 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @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}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * 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.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * 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 override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override 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 this function is
     * 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 override returns (uint8) {
        return 18;
    }

    /**
     * @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);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - 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 {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] + 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) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * 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.
     *
     * 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);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(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:
     *
     * - `account` 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 += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(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);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @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 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 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 {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 4 of 8 : IL2StandardERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import { IERC20 } from "openzeppelin-contracts/token/ERC20/IERC20.sol";
import { IERC165 } from "openzeppelin-contracts/utils/introspection/IERC165.sol";

interface IL2StandardERC20 is IERC20, IERC165 {
    function l1Token() external returns (address);

    function mint(address _to, uint256 _amount) external;

    function burn(address _from, uint256 _amount) external;

    event Mint(address indexed _account, uint256 _amount);
    event Burn(address indexed _account, uint256 _amount);
}

File 5 of 8 : 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);
}

File 6 of 8 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
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 7 of 8 : Context.sol
// SPDX-License-Identifier: MIT

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;
    }
}

File 8 of 8 : IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

Settings
{
  "remappings": [
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "solmate/=lib/solmate/src/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

Contract Security Audit

Contract ABI

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000004200000000000000000000000000000000000010000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7

-----Decoded View---------------
Arg [0] : _l2Bridge (address): 0x4200000000000000000000000000000000000010
Arg [1] : _l1Token (address): 0xdAC17F958D2ee523a2206206994597C13D831ec7

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 0000000000000000000000004200000000000000000000000000000000000010
Arg [1] : 000000000000000000000000dac17f958d2ee523a2206206994597c13d831ec7


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