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89 lines
2.9 KiB
Solidity
89 lines
2.9 KiB
Solidity
// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)
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pragma solidity ^0.8.0;
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/**
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* @dev External interface of AccessControl declared to support ERC165 detection.
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*/
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interface IAccessControl {
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/**
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* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
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*
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* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
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* {RoleAdminChanged} not being emitted signaling this.
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*
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* _Available since v3.1._
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*/
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event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
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/**
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* @dev Emitted when `account` is granted `role`.
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*
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* `sender` is the account that originated the contract call, an admin role
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* bearer except when using {AccessControl-_setupRole}.
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*/
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event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
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/**
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* @dev Emitted when `account` is revoked `role`.
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*
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* `sender` is the account that originated the contract call:
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* - if using `revokeRole`, it is the admin role bearer
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* - if using `renounceRole`, it is the role bearer (i.e. `account`)
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*/
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event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
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/**
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* @dev Returns `true` if `account` has been granted `role`.
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*/
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function hasRole(bytes32 role, address account) external view returns (bool);
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/**
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* @dev Returns the admin role that controls `role`. See {grantRole} and
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* {revokeRole}.
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*
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* To change a role's admin, use {AccessControl-_setRoleAdmin}.
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*/
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function getRoleAdmin(bytes32 role) external view returns (bytes32);
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/**
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* @dev Grants `role` to `account`.
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*
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* If `account` had not been already granted `role`, emits a {RoleGranted}
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* event.
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*
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* Requirements:
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*
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* - the caller must have ``role``'s admin role.
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*/
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function grantRole(bytes32 role, address account) external;
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/**
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* @dev Revokes `role` from `account`.
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*
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* If `account` had been granted `role`, emits a {RoleRevoked} event.
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*
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* Requirements:
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*
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* - the caller must have ``role``'s admin role.
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*/
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function revokeRole(bytes32 role, address account) external;
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/**
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* @dev Revokes `role` from the calling account.
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*
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* Roles are often managed via {grantRole} and {revokeRole}: this function's
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* purpose is to provide a mechanism for accounts to lose their privileges
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* if they are compromised (such as when a trusted device is misplaced).
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*
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* If the calling account had been granted `role`, emits a {RoleRevoked}
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* event.
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*
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* Requirements:
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*
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* - the caller must be `account`.
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*/
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function renounceRole(bytes32 role, address account) external;
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}
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