NoxaWrapped
0x40c41545d5e9be060b39d8c86acf0bc9ae207c0c
Verification
Verified
v0.8.24+commit.e11b9ed9
Type
Contract
6,442 bytes
ABI entries
48
15 read · 9 write
License
none
Contract information
- Address
- 0x40c41545d5e9be060b39d8c86acf0bc9ae207c0c
- Chain
- Robinhood Chain (4663)
- Compiler
- v0.8.24+commit.e11b9ed9
- Optimization
- Enabled
- Creator
- 0xCFf4fc1d87…9058B6a61B
- Creation tx
- 0x0ecda4591f…133d18570f
Token
- Name
- noxa.fi (Wrapped)
- Symbol
- wNOXA
- Decimals
- 18
- Holders
- 91
- Market
- View token page →
Read contract (15)
BURNER_ROLE() → bytes32
DEFAULT_ADMIN_ROLE() → bytes32
DOMAIN_SEPARATOR() → bytes32
MINTER_ROLE() → bytes32
allowance(address, address) → uint256
balanceOf(address) → uint256
decimals() → uint8
eip712Domain() → bytes1, string, string, uint256, address, bytes32, uint256[]
getRoleAdmin(bytes32) → bytes32
hasRole(bytes32, address) → bool
name() → string
nonces(address) → uint256
supportsInterface(bytes4) → bool
symbol() → string
totalSupply() → uint256
Events (6)
ApprovalEIP712DomainChangedRoleAdminChangedRoleGrantedRoleRevokedTransfer
ABI
[
{
"inputs": [
{
"internalType": "address",
"name": "admin",
"type": "address"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [],
"name": "AccessControlBadConfirmation",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
},
{
"internalType": "bytes32",
"name": "neededRole",
"type": "bytes32"
}
],
"name": "AccessControlUnauthorizedAccount",
"type": "error"
},
{
"inputs": [],
"name": "ECDSAInvalidSignature",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "length",
"type": "uint256"
}
],
"name": "ECDSAInvalidSignatureLength",
"type": "error"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "s",
"type": "bytes32"
}
],
"name": "ECDSAInvalidSignatureS",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "allowance",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "needed",
"type": "uint256"
}
],
"name": "ERC20InsufficientAllowance",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
},
{
"internalType": "uint256",
"name": "balance",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "needed",
"type": "uint256"
}
],
"name": "ERC20InsufficientBalance",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "approver",
"type": "address"
}
],
"name": "ERC20InvalidApprover",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "receiver",
"type": "address"
}
],
"name": "ERC20InvalidReceiver",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "sender",
"type": "address"
}
],
"name": "ERC20InvalidSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "ERC20InvalidSpender",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "deadline",
"type": "uint256"
}
],
"name": "ERC2612ExpiredSignature",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "signer",
"type": "address"
},
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "ERC2612InvalidSigner",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
},
{
"internalType": "uint256",
"name": "currentNonce",
"type": "uint256"
}
],
"name": "InvalidAccountNonce",
"type": "error"
},
{
"inputs": [],
"name": "InvalidShortString",
"type": "error"
},
{
"inputs": [
{
"internalType": "string",
"name": "str",
"type": "string"
}
],
"name": "StringTooLong",
"type": "error"
},
{
"inputs": [],
"name": "ZeroAddress",
"type": "error"
},
{
"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": [],
"name": "EIP712DomainChanged",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"indexed": true,
"internalType": "bytes32",
"name": "previousAdminRole",
"type": "bytes32"
},
{
"indexed": true,
"internalType": "bytes32",
"name": "newAdminRole",
"type": "bytes32"
}
],
"name": "RoleAdminChanged",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"indexed": true,
"internalType": "address",
"name": "account",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "sender",
"type": "address"
}
],
"name": "RoleGranted",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"indexed": true,
"internalType": "address",
"name": "account",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "sender",
"type": "address"
}
],
"name": "RoleRevoked",
"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": [],
"name": "BURNER_ROLE",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "DEFAULT_ADMIN_ROLE",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "DOMAIN_SEPARATOR",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "MINTER_ROLE",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"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": "value",
"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": "burnFrom",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "decimals",
"outputs": [
{
"internalType": "uint8",
"name": "",
"type": "uint8"
}
],
"stateMutability": "pure",
"type": "function"
},
{
"inputs": [],
"name": "eip712Domain",
"outputs": [
{
"internalType": "bytes1",
"name": "fields",
"type": "bytes1"
},
{
"internalType": "string",
"name": "name",
"type": "string"
},
{
"internalType": "string",
"name": "version",
"type": "string"
},
{
"internalType": "uint256",
"name": "chainId",
"type": "uint256"
},
{
"internalType": "address",
"name": "verifyingContract",
"type": "address"
},
{
"internalType": "bytes32",
"name": "salt",
"type": "bytes32"
},
{
"internalType": "uint256[]",
"name": "extensions",
"type": "uint256[]"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
}
],
"name": "getRoleAdmin",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "grantRole",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "hasRole",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"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": "address",
"name": "owner",
"type": "address"
}
],
"name": "nonces",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "deadline",
"type": "uint256"
},
{
"internalType": "uint8",
"name": "v",
"type": "uint8"
},
{
"internalType": "bytes32",
"name": "r",
"type": "bytes32"
},
{
"internalType": "bytes32",
"name": "s",
"type": "bytes32"
}
],
"name": "permit",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"internalType": "address",
"name": "callerConfirmation",
"type": "address"
}
],
"name": "renounceRole",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "role",
"type": "bytes32"
},
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "revokeRole",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes4",
"name": "interfaceId",
"type": "bytes4"
}
],
"name": "supportsInterface",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"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": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "from",
"type": "address"
},
{
"internalType": "address",
"name": "to",
"type": "address"
},
{
"internalType": "uint256",
"name": "value",
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
}
]Source code
// SPDX-License-Identifier: MIT
pragma solidity 0.8.24;
import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {ERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol";
import {ZeroAddress} from "./lib/BridgeErrors.sol";
/// @title NoxaWrapped (wNOXA)
/// @notice Wrapped representation of noxa.fi on Robinhood Chain. Every wNOXA is an
/// IOU backed 1:1 by NOXA locked in the DBKBridge escrow on DBK Chain.
/// @dev Supply starts at 0. Minting and burning are gated to `MINTER_ROLE` /
/// `BURNER_ROLE`, which are held ONLY by `RobinhoodBridge`. There is no
/// owner-mint and no public burn, so `totalSupply()` moves exactly in
/// lock-step with the bridge's `totalMinted` accounting — which is what the
/// `totalSupply() <= totalLocked` safety invariant relies on.
/// ERC20Permit (EIP-2612) is included so future flows can gaslessly approve.
contract NoxaWrapped is ERC20, ERC20Permit, AccessControl {
bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
bytes32 public constant BURNER_ROLE = keccak256("BURNER_ROLE");
/// @param admin DEFAULT_ADMIN_ROLE holder (timelock/multisig). Grants MINTER/BURNER
/// to the RobinhoodBridge after it is deployed.
constructor(address admin) ERC20("noxa.fi (Wrapped)", "wNOXA") ERC20Permit("noxa.fi (Wrapped)") {
if (admin == address(0)) revert ZeroAddress();
_grantRole(DEFAULT_ADMIN_ROLE, admin);
}
/// @notice Mint `amount` wNOXA to `to`. Callable only by the bridge (MINTER_ROLE).
function mint(address to, uint256 amount) external onlyRole(MINTER_ROLE) {
_mint(to, amount);
}
/// @notice Burn `amount` wNOXA from `from`. Callable only by the bridge (BURNER_ROLE).
/// @dev Allowance-free by design: the only caller is the trusted bridge, whose
/// `burn()` entrypoint burns strictly the caller's own balance. This gives a
/// single-transaction burn UX (no separate approve) while keeping supply
/// accounting exact.
function burnFrom(address from, uint256 amount) external onlyRole(BURNER_ROLE) {
_burn(from, amount);
}
/// @dev Decimals fixed at 18 to match NOXA on DBK Chain (ERC20 default; explicit
/// override for documentation and to guard against accidental change).
function decimals() public pure override returns (uint8) {
return 18;
}
}
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