Expand description
Role-based access control for TIP-20 tokens.
Implements AccessControl: each role has an admin role that can grant/revoke it.
DEFAULT_ADMIN_ROLE is the root admin; UNGRANTABLE_ROLE is self-administered
and cannot be granted externally.
Constantsยง
- DEFAULT_
ADMIN_ ROLE - The default admin role (zero hash). Holders can grant/revoke any role.
- UNGRANTABLE_
ROLE - A self-administered role that cannot be granted by any admin.