Mastering Blockchain Programming with Solidity

Manage PauserRole using PauserRole.sol

The PauserRole.sol contract is used to manage PauserRole for a contract or an EOA. An address with PauserRole assigned to it can pause/unpause contract features and functions. In the upcoming section, we will look into the Pausable.sol contract and learn how to use this role for this purpose.

The OpenZeppelin contract present at Chapter09/openzeppelin-solidity/contracts/access/roles/PauserRole.sol is defined as follows:

contract PauserRole {    using Roles for Roles.Role;    event PauserAdded(address indexed account);    event PauserRemoved(address indexed account);    Roles.Role private _pausers;    constructor () internal {        _addPauser(msg.sender);    }    modifier onlyPauser() {        require(isPauser(msg.sender));        _;    } function ...