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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "./ERC165.sol";
import "./EnumerableSet.sol";
import "./Ownable.sol";
import "./IAdminControl.sol";
abstract contract AdminControl is Ownable, IAdminControl, ERC165 {
using EnumerableSet for EnumerableSet.AddressSet;
// Track registered admins
EnumerableSet.AddressSet private _admins;
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(IAdminControl).interfaceId
|| super.supportsInterface(interfaceId);
}
/**
* @dev Only allows approved admins to call the specified function
*/
modifier adminRequired() {
require(owner() == msg.sender || _admins.contains(msg.sender), "AdminControl: Must be owner or admin");
_;
}
/**
* @dev See {IAdminControl-getAdmins}.
*/
function getAdmins() external view override returns (address[] memory admins) {
admins = new address[](_admins.length());
for (uint i = 0; i < _admins.length(); i++) {
admins[i] = _admins.at(i);
}
return admins;
}
/**
* @dev See {IAdminControl-approveAdmin}.
*/
function approveAdmin(address admin) external override onlyOwner {
if (!_admins.contains(admin)) {
emit AdminApproved(admin, msg.sender);
_admins.add(admin);
}
}
/**
* @dev See {IAdminControl-revokeAdmin}.
*/
function revokeAdmin(address admin) external override onlyOwner {
if (_admins.contains(admin)) {
emit AdminRevoked(admin, msg.sender);
_admins.remove(admin);
}
}
/**
* @dev See {IAdminControl-isAdmin}.
*/
function isAdmin(address admin) public override view returns (bool) {
return (owner() == admin || _admins.contains(admin));
}
} |