Token BNB
This token was updated based on the Boba Network's github documentation.
Overview [ERC-20]
Price
$327.59 @ 0.197816 Eth (+2.88%)
Fully Diluted Market Cap
Max Total Supply:
0 BNB
Holders:
0
Transfers:
-
Contract:
Decimals:
18
Official Site:
[ Download CSV Export ]
Market
Volume (24H) | : | $901,292,812.23 |
Market Capitalization | : | $51,726,080,940.47 |
Circulating Supply | : | 157,901,135.00 BNB |
Market Data Source: Coinmarketcap |
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | BNB-BUSD | $326.0200 0.1950307 Eth | $192,152,505.0000 589,394.776 BNB | 0.9952% |
2 | ![]() | BNB-USDT | $328.1600 0.1963112 Eth | $191,522,397.0000 583,630.109 BNB | 0.9855% |
3 | ![]() | BNB-USDT | $327.1500 0.1970348 Eth | $63,386,275.0000 193,753.428 BNB | 0.3272% |
4 | ![]() | BNB-USDT | $326.7300 0.1967194 Eth | $29,894,381.0000 91,352.273 BNB | 0.1543% |
5 | ![]() | BNB-BTC | $328.4800 0.1969831 Eth | $23,426,622.0000 71,317.904 BNB | 0.1204% |
6 | ![]() | BNB-USDT | $327.6100 0.1972436 Eth | $22,361,234.0000 68,256.203 BNB | 0.1153% |
7 | ![]() | BNB-USDT | $326.7300 0.1966908 Eth | $22,158,726.0000 67,818.713 BNB | 0.1145% |
8 | ![]() | BNB-USD | $326.9100 0.1967960 Eth | $18,695,889.0000 57,189.806 BNB | 0.0966% |
9 | ![]() | BNB-USDT | $326.5000 0.1965510 Eth | $14,858,337.0000 45,507.578 BNB | 0.0768% |
10 | ![]() | BNB-USDT | $326.7500 0.1967937 Eth | $13,089,075.0000 40,032.015 BNB | 0.0676% |
11 | ![]() | BNB-ETH | $328.2700 0.1963692 Eth | $12,197,776.0000 37,157.325 BNB | 0.0627% |
12 | ![]() | BNB-USDT | $327.5000 0.1971833 Eth | $10,790,181.0000 32,947.200 BNB | 0.0556% |
13 | ![]() | BNB-USDT | $326.5200 0.1965594 Eth | $9,928,003.0000 30,405.826 BNB | 0.0513% |
14 | ![]() | BNB-USDT | $327.0900 0.1969303 Eth | $8,994,792.0000 27,499.690 BNB | 0.0464% |
15 | ![]() | BNB-USDT | $326.5500 0.1965811 Eth | $8,918,475.0000 27,311.000 BNB | 0.0461% |
16 | ![]() | BNB-USDT | $326.5400 0.1965751 Eth | $8,679,134.0000 26,484.015 BNB | 0.0447% |
17 | ![]() | BNB-USDT | $326.6000 0.1966119 Eth | $8,034,303.0000 24,599.549 BNB | 0.0415% |
18 | ![]() | BNB-USDT | $326.8500 0.1968539 Eth | $7,730,252.0000 23,650.846 BNB | 0.0399% |
19 | ![]() | BNB-BTC | $326.3000 0.1964292 Eth | $6,288,830.0000 19,273.148 BNB | 0.0325% |
20 | ![]() | BNB-BTC | $326.7600 0.1967065 Eth | $5,996,368.0000 18,350.938 BNB | 0.0310% |
21 | ![]() | BNB-USDT | $326.8000 0.1967616 Eth | $5,691,792.0000 17,416.810 BNB | 0.0294% |
22 | ![]() | BNB-USDT | $326.7500 0.1967937 Eth | $5,459,605.0000 16,687.243 BNB | 0.0282% |
23 | ![]() | BNB-USDT | $327.2700 0.1970448 Eth | $5,037,980.0000 15,394.000 BNB | 0.0260% |
24 | ![]() | BNB-USDT | $326.6800 0.1966593 Eth | $4,394,284.0000 13,388.496 BNB | 0.0226% |
25 | ![]() | BNB-USD | $327.0000 0.1968828 Eth | $4,338,221.0000 13,266.732 BNB | 0.0224% |
26 | ![]() | BNB-EUR | $327.7800 0.1965117 Eth | $3,945,961.0000 12,038.505 BNB | 0.0203% |
27 | ![]() | BNB-BUSD | $325.8800 0.1961776 Eth | $3,705,132.0000 11,369.545 BNB | 0.0192% |
28 | ![]() | BNB-BTC | $326.6000 0.1966124 Eth | $3,275,379.0000 10,028.581 BNB | 0.0169% |
29 | ![]() | BNB-USDC | $326.6800 0.1966876 Eth | $3,269,340.0000 10,007.905 BNB | 0.0169% |
30 | ![]() | BNB-USD | $326.8000 0.1967569 Eth | $3,129,723.0000 9,576.901 BNB | 0.0162% |
31 | ![]() | BNB-BUSD | $326.3300 0.1964467 Eth | $2,798,721.0000 8,576.371 BNB | 0.0145% |
32 | ![]() | BNB-ETH | $326.4800 0.1965351 Eth | $2,574,278.0000 7,885.045 BNB | 0.0133% |
33 | ![]() | BNB-USDT | $326.3300 0.1964480 Eth | $2,558,109.0000 7,838.990 BNB | 0.0132% |
34 | ![]() | BNB-USDT | $326.9500 0.1968502 Eth | $2,454,041.0000 7,501.716 BNB | 0.0127% |
35 | ![]() | BNB-USDT | $326.5600 0.1965871 Eth | $2,377,715.0000 7,281.040 BNB | 0.0123% |
36 | ![]() | BNB-USDT | $326.7200 0.1967074 Eth | $2,344,760.0000 7,192.694 BNB | 0.0121% |
37 | ![]() | BNB-ETH | $326.9900 0.1968471 Eth | $2,266,289.0000 6,930.667 BNB | 0.0117% |
38 | ![]() | BNB-USDT | $327.4500 0.1972156 Eth | $2,059,726.0000 6,290.332 BNB | 0.0106% |
39 | ![]() | BNB-USDC | $326.6600 0.1966463 Eth | $1,953,098.0000 5,972.432 BNB | 0.0101% |
40 | ![]() | BNB-USDT | $327.0500 0.1969122 Eth | $1,912,626.0000 5,848.134 BNB | 0.0099% |
41 | ![]() | FTM-BNB | $328.2100 0.1963409 Eth | $1,760,676.0000 2,839,429.646 FTM | 4.7946% |
42 | ![]() | MATIC-BNB | $328.3300 0.1968024 Eth | $1,731,019.0000 1,423,771.798 MATIC | 2.4042% |
43 | ![]() | AVAX-BNB | $328.5000 0.1969466 Eth | $1,577,808.0000 72,334.573 AVAX | 0.1221% |
44 | ![]() | BNB-USDT | $326.9100 0.1968219 Eth | $1,532,282.0000 4,682.009 BNB | 0.0079% |
45 | ![]() | BNB-USDT | $326.6600 0.1965089 Eth | $1,526,999.0000 4,674.587 BNB | 0.0079% |
46 | ![]() | BNB-USDT | $327.0100 0.1968821 Eth | $1,455,110.0000 4,449.782 BNB | 0.0075% |
47 | ![]() | BNB-USDT | $326.8100 0.1967616 Eth | $1,396,908.0000 4,274.416 BNB | 0.0072% |
48 | ![]() | DOT-BNB | $328.2200 0.1964647 Eth | $1,391,364.0000 209,031.708 DOT | 0.3530% |
49 | ![]() | BNB-BUSD | $326.5200 0.1966546 Eth | $1,261,229.0000 3,862.663 BNB | 0.0065% |
50 | ![]() | BNB-ETH | $326.5200 0.1965609 Eth | $1,176,939.0000 3,604.503 BNB | 0.0061% |
51 | ![]() | CHZ-BNB | $328.6600 0.1965710 Eth | $1,092,852.0000 7,600,505.067 CHZ | 12.8341% |
52 | ![]() | BNB-USDC | $326.3700 0.1965009 Eth | $1,087,589.0000 3,332.340 BNB | 0.0056% |
53 | ![]() | BNB-BUSD | $326.3900 0.1965082 Eth | $1,085,634.0000 3,326.229 BNB | 0.0056% |
54 | ![]() | BNB-ETH | $327.8400 0.1973861 Eth | $1,059,599.0000 3,232.100 BNB | 0.0055% |
55 | ![]() | TRX-BNB | $328.2200 0.1963399 Eth | $1,026,852.0000 15,961,743.587 TRX | 26.9527% |
56 | ![]() | BNB-BTC | $327.4000 0.1971236 Eth | $1,019,420.0000 3,113.684 BNB | 0.0053% |
57 | ![]() | BNB-BTC | $326.9000 0.1968242 Eth | $992,339.0000 3,035.580 BNB | 0.0051% |
58 | ![]() | SOL-BNB | $326.9900 0.1968447 Eth | $939,534.0000 37,956.107 SOL | 0.0641% |
59 | ![]() | BNB-USDT | $326.4800 0.1964021 Eth | $905,051.0000 2,766.805 BNB | 0.0047% |
60 | ![]() | LTC-BNB | $328.2100 0.1963409 Eth | $832,485.0000 8,385.010 LTC | 0.0142% |
61 | ![]() | BNB-USDT | $325.6100 0.1960152 Eth | $815,689.0000 2,505.093 BNB | 0.0042% |
62 | ![]() | GALA-BNB | $328.2700 0.1967974 Eth | $748,362.0000 13,536,655.533 GALA | 22.8578% |
63 | ![]() | BNB-BTC | $326.9100 0.1968242 Eth | $743,474.0000 2,274.240 BNB | 0.0038% |
64 | ![]() | BNB-BTC | $327.0700 0.1969239 Eth | $711,536.0000 2,175.498 BNB | 0.0037% |
65 | ![]() | BNB-USDT | $326.8500 0.1968540 Eth | $704,459.0000 2,163.459 BNB | 0.0037% |
66 | ![]() | XRP-BNB | $328.5000 0.1969560 Eth | $674,834.0000 1,634,261.053 XRP | 2.7596% |
67 | ![]() | BNB-USDT | $326.9700 0.1968599 Eth | $672,828.0000 2,057.767 BNB | 0.0035% |
68 | ![]() | BNB-BRL | $328.6300 0.1969891 Eth | $660,253.0000 2,009.117 BNB | 0.0034% |
69 | ![]() | BNB-USDT | $326.8500 0.1967857 Eth | $648,553.0000 1,986.108 BNB | 0.0034% |
70 | ![]() | BNB-THB | $325.6200 0.1960192 Eth | $638,359.0000 1,960.447 BNB | 0.0033% |
71 | ![]() | CAKE-BNB | $326.9900 0.1968447 Eth | $635,400.0000 150,867.808 CAKE | 0.2548% |
72 | ![]() | BNB-BTC | $326.9800 0.1968684 Eth | $634,598.0000 1,940.760 BNB | 0.0033% |
73 | ![]() | BNB-BTC | $326.8200 0.1967672 Eth | $550,551.0000 1,684.590 BNB | 0.0028% |
74 | ![]() | BNB-AUD | $327.3300 0.1959362 Eth | $534,500.0000 1,632.889 BNB | 0.0028% |
75 | ![]() | BNB-GBP | $326.1700 0.1954602 Eth | $489,565.0000 1,500.941 BNB | 0.0025% |
76 | ![]() | BNB-USDC | $326.5800 0.1965981 Eth | $483,993.0000 1,482.002 BNB | 0.0025% |
77 | ![]() | BNB-BIDR | $327.6900 0.1964590 Eth | $476,599.0000 1,454.419 BNB | 0.0025% |
78 | ![]() | ADA-BNB | $328.2200 0.1963399 Eth | $453,014.0000 1,128,530.637 ADA | 1.9056% |
79 | ![]() | BNB-USDT | $326.7200 0.1966792 Eth | $355,500.0000 1,088.103 BNB | 0.0018% |
80 | ![]() | BNB-BTC | $327.0400 0.1968746 Eth | $317,485.0000 970.782 BNB | 0.0016% |
81 | ![]() | BNB-BTC | $326.7200 0.1966837 Eth | $314,330.0000 962.068 BNB | 0.0016% |
82 | ![]() | VET-BNB | $328.2200 0.1964647 Eth | $298,922.0000 12,257,672.763 VET | 20.6981% |
83 | ![]() | BNB-USDC | $327.4200 0.1971972 Eth | $296,543.0000 905.700 BNB | 0.0015% |
84 | ![]() | BNB-DAI | $326.7300 0.1966907 Eth | $295,389.0000 904.064 BNB | 0.0015% |
85 | ![]() | BNB-IDR | $328.1000 0.1975429 Eth | $284,618.0000 867.483 BNB | 0.0015% |
86 | ![]() | BNB-USDT | $327.3200 0.1970680 Eth | $270,375.0000 826.039 BNB | 0.0014% |
87 | ![]() | BNB-BTC | $326.9000 0.1968171 Eth | $263,619.0000 811.410 BNB | 0.0014% |
88 | ![]() | BNB-BIDR | $326.6800 0.1957672 Eth | $255,133.0000 780.989 BNB | 0.0013% |
89 | ![]() | BNB-EUR | $326.6800 0.1965240 Eth | $235,042.0000 719.475 BNB | 0.0012% |
90 | ![]() | BNB-USDC | $326.9600 0.1968269 Eth | $216,621.0000 662.875 BNB | 0.0011% |
91 | ![]() | BNB-BTC | $326.8800 0.1968057 Eth | $196,777.0000 601.987 BNB | 0.0010% |
92 | ![]() | PAXG-BNB | $328.2200 0.1964647 Eth | $155,914.0000 81.747 PAXG | 0.0001% |
93 | ![]() | BNB-BUSD | $326.2400 0.1964210 Eth | $111,083.0000 340.493 BNB | 0.0006% |
94 | ![]() | BNB-USDT | $328.0500 0.1975772 Eth | $110,622.0000 338.346 BNB | 0.0006% |
95 | ![]() | BNB-USDT | $327.6500 0.1973361 Eth | $97,981.0000 299.548 BNB | 0.0005% |
96 | ![]() | XMR-BNB | $328.2100 0.1963409 Eth | $96,388.0000 547.914 XMR | 0.0009% |
97 | ![]() | BNB-XT | $326.9100 0.1968250 Eth | $90,325.0000 274.041 BNB | 0.0005% |
98 | ![]() | BNB-ETH | $327.0100 0.1968856 Eth | $85,957.0000 262.855 BNB | 0.0004% |
99 | ![]() | BNB-USDT | $326.5000 0.1965510 Eth | $43,318.0000 132.672 BNB | 0.0002% |
100 | ![]() | BNB-USDT | $327.2100 0.1970709 Eth | $42,314.0000 129.316 BNB | 0.0002% |
Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x023F34ce25758d4BC8FaC68e7472545D6b86d4Ea
Contract Name:
L2StandardERC20
Compiler Version
v0.8.9+commit.e5eed63a
Optimization Enabled:
Yes with 10000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// 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 private immutable _decimals; /** * @param _l2Bridge Address of the L2 standard bridge. * @param _l1Token Address of the corresponding L1 token. * @param _name ERC20 name. * @param _symbol ERC20 symbol. * @param decimals_ ERC20 decimals. */ constructor( address _l2Bridge, address _l1Token, string memory _name, string memory _symbol, uint8 decimals_ ) ERC20(_name, _symbol) { l1Token = _l1Token; l2Bridge = _l2Bridge; _decimals = decimals_; } modifier onlyL2Bridge() { require(msg.sender == l2Bridge, "Only L2 Bridge can mint and burn"); _; } 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; } function mint(address _to, uint256 _amount) public virtual onlyL2Bridge { _mint(_to, _amount); emit Mint(_to, _amount); } function burn(address _from, uint256 _amount) public virtual onlyL2Bridge { _burn(_from, _amount); emit Burn(_from, _amount); } function decimals() public view virtual override returns (uint8) { return _decimals; } }
// 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 {} }
// 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); }
// 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); }
// 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); }
// 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; } }
// 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); }
{ "optimizer": { "enabled": true, "runs": 10000 }, "metadata": { "bytecodeHash": "none", "useLiteralContent": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"_l2Bridge","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_account","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"l1Token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2Bridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"_interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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