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Transaction Hash
Method
Block
From
To
Transfer Ownersh...236863322025-10-29 23:28:59117 days ago1761780539IN
0xaeeC053e...528B8530d
0 ETH0.000002990.09741074
Set User Role236863192025-10-29 23:26:23117 days ago1761780383IN
0xaeeC053e...528B8530d
0 ETH0.000005190.1024993
Set User Role236863162025-10-29 23:25:47117 days ago1761780347IN
0xaeeC053e...528B8530d
0 ETH0.000003540.10555842
Set User Role236863152025-10-29 23:25:35117 days ago1761780335IN
0xaeeC053e...528B8530d
0 ETH0.000005340.10532494
Set User Role236863142025-10-29 23:25:23117 days ago1761780323IN
0xaeeC053e...528B8530d
0 ETH0.00000530.10450335
Set User Role236863112025-10-29 23:24:47117 days ago1761780287IN
0xaeeC053e...528B8530d
0 ETH0.00000510.10086444
Set User Role236863082025-10-29 23:24:11117 days ago1761780251IN
0xaeeC053e...528B8530d
0 ETH0.000004970.09817956
Set User Role236863072025-10-29 23:23:59117 days ago1761780239IN
0xaeeC053e...528B8530d
0 ETH0.000005120.10100545
Set User Role236863062025-10-29 23:23:47117 days ago1761780227IN
0xaeeC053e...528B8530d
0 ETH0.000004910.09694103
Set Public Capab...236863052025-10-29 23:23:35117 days ago1761780215IN
0xaeeC053e...528B8530d
0 ETH0.000005020.09887596
Set Public Capab...236863042025-10-29 23:23:23117 days ago1761780203IN
0xaeeC053e...528B8530d
0 ETH0.000005150.10142526
Set Public Capab...236863032025-10-29 23:23:11117 days ago1761780191IN
0xaeeC053e...528B8530d
0 ETH0.000005310.10454828
Set Role Capabil...236863022025-10-29 23:22:59117 days ago1761780179IN
0xaeeC053e...528B8530d
0 ETH0.000005530.10742752
Set Role Capabil...236863012025-10-29 23:22:47117 days ago1761780167IN
0xaeeC053e...528B8530d
0 ETH0.000005130.09968052
Set Role Capabil...236862992025-10-29 23:22:23117 days ago1761780143IN
0xaeeC053e...528B8530d
0 ETH0.000005550.10774253
Set Role Capabil...236862982025-10-29 23:22:11117 days ago1761780131IN
0xaeeC053e...528B8530d
0 ETH0.000005270.10236459
Set Role Capabil...236862972025-10-29 23:21:59117 days ago1761780119IN
0xaeeC053e...528B8530d
0 ETH0.000005340.10358722
Set Role Capabil...236862962025-10-29 23:21:47117 days ago1761780107IN
0xaeeC053e...528B8530d
0 ETH0.000005360.10410032
Set Role Capabil...236862932025-10-29 23:21:11117 days ago1761780071IN
0xaeeC053e...528B8530d
0 ETH0.000005440.10552141
Set Role Capabil...236862922025-10-29 23:20:59117 days ago1761780059IN
0xaeeC053e...528B8530d
0 ETH0.000005540.1075357
Set Role Capabil...236862912025-10-29 23:20:47117 days ago1761780047IN
0xaeeC053e...528B8530d
0 ETH0.000005480.10639309
Set Role Capabil...236862902025-10-29 23:20:35117 days ago1761780035IN
0xaeeC053e...528B8530d
0 ETH0.000005760.11188148

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0x60806040236862892025-10-29 23:20:23117 days ago1761780023  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x2b09f5ed...744921c42
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
RolesAuthority

Compiler Version
v0.8.21+commit.d9974bed

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2025-10-29
*/

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

// lib/solmate/src/auth/Auth.sol

/// @notice Provides a flexible and updatable auth pattern which is completely separate from application logic.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Auth.sol)
/// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol)
abstract contract Auth {
    event OwnershipTransferred(address indexed user, address indexed newOwner);

    event AuthorityUpdated(address indexed user, Authority indexed newAuthority);

    address public owner;

    Authority public authority;

    constructor(address _owner, Authority _authority) {
        owner = _owner;
        authority = _authority;

        emit OwnershipTransferred(msg.sender, _owner);
        emit AuthorityUpdated(msg.sender, _authority);
    }

    modifier requiresAuth() virtual {
        require(isAuthorized(msg.sender, msg.sig), "UNAUTHORIZED");

        _;
    }

    function isAuthorized(address user, bytes4 functionSig) internal view virtual returns (bool) {
        Authority auth = authority; // Memoizing authority saves us a warm SLOAD, around 100 gas.

        // Checking if the caller is the owner only after calling the authority saves gas in most cases, but be
        // aware that this makes protected functions uncallable even to the owner if the authority is out of order.
        return (address(auth) != address(0) && auth.canCall(user, address(this), functionSig)) || user == owner;
    }

    function setAuthority(Authority newAuthority) public virtual {
        // We check if the caller is the owner first because we want to ensure they can
        // always swap out the authority even if it's reverting or using up a lot of gas.
        require(msg.sender == owner || authority.canCall(msg.sender, address(this), msg.sig));

        authority = newAuthority;

        emit AuthorityUpdated(msg.sender, newAuthority);
    }

    function transferOwnership(address newOwner) public virtual requiresAuth {
        owner = newOwner;

        emit OwnershipTransferred(msg.sender, newOwner);
    }
}

/// @notice A generic interface for a contract which provides authorization data to an Auth instance.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Auth.sol)
/// @author Modified from Dappsys (https://github.com/dapphub/ds-auth/blob/master/src/auth.sol)
interface Authority {
    function canCall(
        address user,
        address target,
        bytes4 functionSig
    ) external view returns (bool);
}

// lib/solmate/src/auth/authorities/RolesAuthority.sol

/// @notice Role based Authority that supports up to 256 roles.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/authorities/RolesAuthority.sol)
/// @author Modified from Dappsys (https://github.com/dapphub/ds-roles/blob/master/src/roles.sol)
contract RolesAuthority is Auth, Authority {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event UserRoleUpdated(address indexed user, uint8 indexed role, bool enabled);

    event PublicCapabilityUpdated(address indexed target, bytes4 indexed functionSig, bool enabled);

    event RoleCapabilityUpdated(uint8 indexed role, address indexed target, bytes4 indexed functionSig, bool enabled);

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(address _owner, Authority _authority) Auth(_owner, _authority) {}

    /*//////////////////////////////////////////////////////////////
                            ROLE/USER STORAGE
    //////////////////////////////////////////////////////////////*/

    mapping(address => bytes32) public getUserRoles;

    mapping(address => mapping(bytes4 => bool)) public isCapabilityPublic;

    mapping(address => mapping(bytes4 => bytes32)) public getRolesWithCapability;

    function doesUserHaveRole(address user, uint8 role) public view virtual returns (bool) {
        return (uint256(getUserRoles[user]) >> role) & 1 != 0;
    }

    function doesRoleHaveCapability(
        uint8 role,
        address target,
        bytes4 functionSig
    ) public view virtual returns (bool) {
        return (uint256(getRolesWithCapability[target][functionSig]) >> role) & 1 != 0;
    }

    /*//////////////////////////////////////////////////////////////
                           AUTHORIZATION LOGIC
    //////////////////////////////////////////////////////////////*/

    function canCall(
        address user,
        address target,
        bytes4 functionSig
    ) public view virtual override returns (bool) {
        return
            isCapabilityPublic[target][functionSig] ||
            bytes32(0) != getUserRoles[user] & getRolesWithCapability[target][functionSig];
    }

    /*//////////////////////////////////////////////////////////////
                   ROLE CAPABILITY CONFIGURATION LOGIC
    //////////////////////////////////////////////////////////////*/

    function setPublicCapability(
        address target,
        bytes4 functionSig,
        bool enabled
    ) public virtual requiresAuth {
        isCapabilityPublic[target][functionSig] = enabled;

        emit PublicCapabilityUpdated(target, functionSig, enabled);
    }

    function setRoleCapability(
        uint8 role,
        address target,
        bytes4 functionSig,
        bool enabled
    ) public virtual requiresAuth {
        if (enabled) {
            getRolesWithCapability[target][functionSig] |= bytes32(1 << role);
        } else {
            getRolesWithCapability[target][functionSig] &= ~bytes32(1 << role);
        }

        emit RoleCapabilityUpdated(role, target, functionSig, enabled);
    }

    /*//////////////////////////////////////////////////////////////
                       USER ROLE ASSIGNMENT LOGIC
    //////////////////////////////////////////////////////////////*/

    function setUserRole(
        address user,
        uint8 role,
        bool enabled
    ) public virtual requiresAuth {
        if (enabled) {
            getUserRoles[user] |= bytes32(1 << role);
        } else {
            getUserRoles[user] &= ~bytes32(1 << role);
        }

        emit UserRoleUpdated(user, role, enabled);
    }
}

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"contract Authority","name":"_authority","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"contract Authority","name":"newAuthority","type":"address"}],"name":"AuthorityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":true,"internalType":"bytes4","name":"functionSig","type":"bytes4"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"PublicCapabilityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint8","name":"role","type":"uint8"},{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":true,"internalType":"bytes4","name":"functionSig","type":"bytes4"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"RoleCapabilityUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint8","name":"role","type":"uint8"},{"indexed":false,"internalType":"bool","name":"enabled","type":"bool"}],"name":"UserRoleUpdated","type":"event"},{"inputs":[],"name":"authority","outputs":[{"internalType":"contract Authority","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"functionSig","type":"bytes4"}],"name":"canCall","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"role","type":"uint8"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"functionSig","type":"bytes4"}],"name":"doesRoleHaveCapability","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint8","name":"role","type":"uint8"}],"name":"doesUserHaveRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bytes4","name":"","type":"bytes4"}],"name":"getRolesWithCapability","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"getUserRoles","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"bytes4","name":"","type":"bytes4"}],"name":"isCapabilityPublic","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract Authority","name":"newAuthority","type":"address"}],"name":"setAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"functionSig","type":"bytes4"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setPublicCapability","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"role","type":"uint8"},{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes4","name":"functionSig","type":"bytes4"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setRoleCapability","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint8","name":"role","type":"uint8"},{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setUserRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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Swarm Source

ipfs://f360c1414c3f497cc74e28fead4d9653308000c6919a73fdeee4fd8c861f37b7

Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.