Token UMA Voting Token v1
This token was updated based on the Boba Network's github documentation.
Overview [ERC-20]
Price
$2.11 @ 0.001258 Eth (+2.81%)
Fully Diluted Market Cap
Max Total Supply:
67.5252281 UMA
Holders:
3 (0.00%)
Transfers:
-
Contract:
Decimals:
18
Official Site:
[ Download CSV Export ]
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Market
Volume (24H) | : | $10,548,021.00 |
Market Capitalization | : | $146,733,921.00 |
Circulating Supply | : | 69,301,494.00 UMA |
Market Data Source: Coinmarketcap |
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | UMA-TRY | $2.1300 0.0012684 Eth | $1,574,679.0000 738,700.160 UMA | 13.7751% |
2 | ![]() | UMA-USDT | $2.1100 0.0012579 Eth | $1,287,199.0000 608,698.049 UMA | 11.3508% |
3 | ![]() | UMA-USDT | $2.1100 0.0012578 Eth | $1,287,048.0000 608,571.016 UMA | 11.3485% |
4 | ![]() | UMA-USDT | $2.1200 0.0012591 Eth | $856,470.0000 404,628.260 UMA | 7.5454% |
5 | ![]() | UMA-USDT | $2.1100 0.0012579 Eth | $611,895.0000 289,349.563 UMA | 5.3957% |
6 | ![]() | UMA-USDT | $2.1200 0.0012592 Eth | $577,436.0000 272,798.114 UMA | 5.0871% |
7 | ![]() | UMA-USD | $2.1100 0.0012531 Eth | $571,444.0000 271,340.845 UMA | 5.0599% |
8 | ![]() | UMA-USDT | $2.1100 0.0012574 Eth | $547,652.0000 259,140.331 UMA | 4.8324% |
9 | ![]() | UMA-TRY | $2.1300 0.0012720 Eth | $421,581.0000 197,713.984 UMA | 3.6869% |
10 | ![]() | UMA-ETH | $2.1300 0.0012681 Eth | $397,059.0000 186,214.000 UMA | 3.4725% |
11 | ![]() | UMA-USDT | $2.1100 0.0012577 Eth | $344,343.0000 167,331.000 UMA | 3.1203% |
12 | ![]() | UMA-TRY | $2.1400 0.0012752 Eth | $310,421.0000 144,837.918 UMA | 2.7009% |
13 | ![]() | UMA-BUSD | $2.1100 0.0012574 Eth | $239,778.0000 113,781.235 UMA | 2.1218% |
14 | ![]() | UMA-BUSD | $2.1100 0.0012574 Eth | $220,436.0000 104,282.800 UMA | 1.9446% |
15 | ![]() | UMA-USDT | $2.1200 0.0012592 Eth | $199,179.0000 94,089.870 UMA | 1.7546% |
16 | ![]() | UMA-USDT | $2.1100 0.0012567 Eth | $171,972.0000 81,385.000 UMA | 1.5176% |
17 | ![]() | UMA-USDT | $2.1100 0.0012579 Eth | $136,952.0000 64,767.973 UMA | 1.2078% |
18 | ![]() | UMA-USDT | $2.1100 0.0012579 Eth | $112,135.0000 53,067.369 UMA | 0.9896% |
19 | ![]() | UMA-USDT | $2.1100 0.0012565 Eth | $111,283.0000 52,670.000 UMA | 0.9822% |
20 | ![]() | UMA-KRW | $2.1500 0.0012791 Eth | $93,386.0000 43,417.303 UMA | 0.8096% |
21 | ![]() | UMA-USDT | $2.1100 0.0012572 Eth | $88,823.0000 42,033.009 UMA | 0.7838% |
22 | ![]() | UMA-USDT | $2.1100 0.0012555 Eth | $86,450.0000 40,958.700 UMA | 0.7638% |
23 | ![]() | UMA-USDT | $2.1100 0.0012571 Eth | $85,620.0000 40,508.025 UMA | 0.7554% |
24 | ![]() | UMA-USDT | $2.1100 0.0012553 Eth | $83,388.0000 39,523.670 UMA | 0.7370% |
25 | ![]() | UMA-BTC | $2.1200 0.0012589 Eth | $77,617.0000 36,667.452 UMA | 0.6838% |
26 | ![]() | UMA-BTC | $2.1200 0.0012590 Eth | $77,610.0000 36,667.452 UMA | 0.6838% |
27 | ![]() | UMA-USDT | $2.1200 0.0012630 Eth | $73,369.0000 34,550.000 UMA | 0.6443% |
28 | ![]() | UMA-USDT | $2.1100 0.0012580 Eth | $69,263.0000 32,758.500 UMA | 0.6109% |
29 | ![]() | UMA-USDT | $1.9300 0.0011517 Eth | $62,624.0000 32,465.070 UMA | 0.6054% |
30 | ![]() | UMA-GBP | $2.1000 0.0012519 Eth | $53,292.0000 25,329.028 UMA | 0.4723% |
31 | ![]() | UMA-EUR | $2.1100 0.0012547 Eth | $52,787.0000 25,034.213 UMA | 0.4668% |
32 | ![]() | UMA-USDT | $2.1200 0.0012591 Eth | $51,496.0000 24,328.635 UMA | 0.4537% |
33 | ![]() | UMA-EUR | $2.1100 0.0012524 Eth | $49,971.0000 23,729.374 UMA | 0.4425% |
34 | ![]() | UMA-USDT | $2.1100 0.0012564 Eth | $41,244.0000 19,531.744 UMA | 0.3642% |
35 | ![]() | UMA-USDT | $2.1200 0.0012585 Eth | $36,439.0000 17,223.484 UMA | 0.3212% |
36 | ![]() | UMA-BTC | $2.1200 0.0012598 Eth | $35,030.0000 16,535.840 UMA | 0.3084% |
37 | ![]() | UMA-USD | $2.1000 0.0012499 Eth | $27,362.0000 13,019.138 UMA | 0.2428% |
38 | ![]() | UMA-ETH | $2.1300 0.0012641 Eth | $25,778.0000 12,129.550 UMA | 0.2262% |
39 | ![]() | UMA-BTC | $2.1200 0.0012592 Eth | $24,104.0000 11,389.850 UMA | 0.2124% |
40 | ![]() | UMA-USDT | $2.1200 0.0012610 Eth | $23,155.0000 10,962.292 UMA | 0.2044% |
41 | ![]() | UMA-USDT | $2.1200 0.0012598 Eth | $21,122.0000 9,975.750 UMA | 0.1860% |
42 | ![]() | UMA-USDT | $2.1100 0.0012565 Eth | $20,664.0000 9,777.386 UMA | 0.1823% |
43 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2.1200 0.0012612 Eth | $18,985.5000 8,812.210 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.1643% |
44 | ![]() | UMA-USDT | $2.1200 0.0012590 Eth | $17,685.8300 8,354.160 UMA | 0.1558% |
45 | ![]() | UMA-INR | $2.2200 0.0013236 Eth | $13,811.3000 6,225.772 UMA | 0.1161% |
46 | ![]() | UMA-BTC | $2.1200 0.0012592 Eth | $9,745.7300 4,605.154 UMA | 0.0859% |
47 | ![]() | UMA-USDT | $2.1000 0.0012507 Eth | $7,051.5100 3,343.415 UMA | 0.0623% |
48 | ![]() | UMA-USDT | $2.1200 0.0012585 Eth | $5,189.7600 2,453.000 UMA | 0.0457% |
49 | ![]() | UMA-USDT | $2.1100 0.0012574 Eth | $4,294.0800 2,036.216 UMA | 0.0380% |
50 | ![]() | UMA-USDT | $2.1100 0.0012526 Eth | $4,069.0000 1,932.800 UMA | 0.0360% |
51 | ![]() | UMA-USDT | $2.1000 0.0012469 Eth | $3,818.0300 1,821.057 UMA | 0.0340% |
52 | ![]() | UMA-USD | $2.1100 0.0012575 Eth | $3,808.5600 1,807.576 UMA | 0.0337% |
53 | ![]() | UMA-BTC | $2.1300 0.0012678 Eth | $2,624.4900 1,231.785 UMA | 0.0230% |
54 | ![]() | UMA-EUR | $2.1100 0.0012562 Eth | $2,521.4800 1,197.621 UMA | 0.0223% |
55 | ![]() | UMA-INR | $2.1700 0.0012891 Eth | $2,518.7200 1,161.942 UMA | 0.0217% |
56 | ![]() | UMA-USDC | $2.1300 0.0012642 Eth | $2,252.7100 1,064.021 UMA | 0.0198% |
57 | ![]() | UMA-EUR | $2.1000 0.0012520 Eth | $2,000.5900 950.742 UMA | 0.0177% |
58 | ![]() | UMA-USD | $2.1200 0.0012596 Eth | $1,779.1300 840.400 UMA | 0.0157% |
59 | ![]() | UMA-USDT | $2.1100 0.0012593 Eth | $1,069.3300 506.640 UMA | 0.0094% |
60 | ![]() | UMA-USD | $2.1000 0.0012509 Eth | $856.1200 407.000 UMA | 0.0076% |
61 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2.1200 0.0012618 Eth | $669.3000 305.783 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0057% |
62 | ![]() | UMA-TRY | $2.1300 0.0012695 Eth | $644.5400 301.733 UMA | 0.0056% |
63 | ![]() | UMA-IDR | $2.1000 0.0012479 Eth | $450.4200 214.702 UMA | 0.0040% |
64 | ![]() | UMA-USDT | $2.1200 0.0012638 Eth | $429.1300 201.971 UMA | 0.0038% |
65 | ![]() | UMA-TRY | $2.1300 0.0012708 Eth | $372.8700 174.866 UMA | 0.0033% |
66 | ![]() | UMA-BTC | $2.1000 0.0012544 Eth | $356.4300 169.424 UMA | 0.0032% |
67 | ![]() | UMA-KRW | $2.4900 0.0014794 Eth | $293.6900 118.087 UMA | 0.0022% |
68 | ![]() | UMA-USDT | $2.1700 0.0012923 Eth | $277.9400 127.904 UMA | 0.0024% |
69 | ![]() | UMA-USD | $2.1100 0.0012539 Eth | $252.9700 120.000 UMA | 0.0022% |
70 | ![]() | UMA-SGD | $2.1100 0.0012541 Eth | $247.3500 117.292 UMA | 0.0022% |
71 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-DAI | $2.1400 0.0013001 Eth | $220.9900 103.291 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0019% |
72 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-USDC | $1.9700 0.0012414 Eth | $207.8200 105.605 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0020% |
73 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2.0600 0.0012539 Eth | $200.7200 97.399 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0018% |
74 | ![]() | UMA-IDR | $2.1400 0.0012731 Eth | $174.3200 81.443 UMA | 0.0015% |
75 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-ETH | $1.9300 0.0012203 Eth | $139.3900 72.101 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0013% |
76 | ![]() | UMA-USD | $2.0100 0.0012223 Eth | $100.5000 50.000 UMA | 0.0009% |
77 | ![]() | UMA-USD | $1.9800 0.0012149 Eth | $67.3100 33.996 UMA | 0.0006% |
78 | ![]() | UMA-BTC | $2.1300 0.0012649 Eth | $54.7500 25.994 UMA | 0.0005% |
79 | ![]() | UMA-BTC | $2.1200 0.0012599 Eth | $40.2100 18.984 UMA | 0.0004% |
80 | ![]() | UMA-ETH | $1.9500 0.0012272 Eth | $30.6500 15.750 UMA | 0.0003% |
81 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-USDC | $2.1700 0.0012912 Eth | $15.8700 7.311 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0001% |
82 | ![]() | UMA-USD | $1.8300 0.0010884 Eth | $13.2800 7.257 UMA | 0.0001% |
83 | ![]() | UMA-BUSD | $2.1100 0.0012580 Eth | $10.0300 4.756 UMA | 0.0001% |
84 | ![]() | UMA-BTC | $2.0200 0.0012766 Eth | $7.0400 3.480 UMA | 0.0001% |
85 | ![]() | 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2.0400 0.0012908 Eth | $5.7500 2.820 0X04FA0D235C4ABF4BCF4787AF4CF447DE572EF828 | 0.0001% |
86 | ![]() | UMA-USD | $2.1200 0.0012595 Eth | $4.0700 1.921 UMA | 0.0000% |
87 | ![]() | UMA-USDT | $1.9600 0.0012368 Eth | $3.9000 1.990 UMA | 0.0000% |
88 | ![]() | UMA-BTC | $2.1200 0.0012928 Eth | $2.5500 1.205 UMA | 0.0000% |
89 | ![]() | UMA-USDT | $2.1000 0.0012507 Eth | $1.8300 0.860 UMA | 0.0000% |
90 | ![]() | UMA-USDC | $2.1400 0.0012711 Eth | $1.7500 0.820 UMA | 0.0000% |
91 | ![]() | UMA-USDT | $2.0900 0.0012454 Eth | $1.7200 0.820 UMA | 0.0000% |
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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