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Feature/Adding RoleAdminChanged event in AccessControl (#2214)

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* Emit new event RoleAdminChanged

* Adding new RoleAdminChanged event in Tests

* Update suggested comments on new Event

Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>

* Adding PreviousAdminRole to event

* Update AccessControl.test.js

* Update CHANGELOG.md

Co-authored-by: Nicolás Venturo <nicolas.venturo@gmail.com>
This commit is contained in:
Julian M. Rodriguez
2020-05-06 17:21:39 -03:00
committed by GitHub
parent 78dc37739f
commit 73baf0b635
3 changed files with 23 additions and 1 deletions
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5
CHANGELOG.md
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@ -1,5 +1,10 @@
# Changelog
## 3.1.0 (unreleased)
### Improvements
* `AccessControl`: added a `RoleAdminChanged` event to `_setAdminRole`. ([#2214](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/2214))
## 3.0.1 (2020-04-27)
### Bugfixes

11
contracts/access/AccessControl.sol
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@ -52,6 +52,14 @@ abstract contract AccessControl is Context {
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
@ -183,8 +191,11 @@ abstract contract AccessControl is Context {
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
emit RoleAdminChanged(role, _roles[role].adminRole, adminRole);
_roles[role].adminRole = adminRole;
}

8
test/access/AccessControl.test.js
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@ -142,7 +142,13 @@ describe('AccessControl', function () {
describe('setting role admin', function () {
beforeEach(async function () {
await this.accessControl.setRoleAdmin(ROLE, OTHER_ROLE);
const receipt = await this.accessControl.setRoleAdmin(ROLE, OTHER_ROLE);
expectEvent(receipt, 'RoleAdminChanged', {
role: ROLE,
previousAdminRole: DEFAULT_ADMIN_ROLE,
newAdminRole: OTHER_ROLE
});
await this.accessControl.grantRole(OTHER_ROLE, otherAdmin, { from: admin });
});