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Note
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This document is better viewed at https://docs.openzeppelin.com/contracts/api/access |
This directory provides ways to restrict who can access the functions of a contract or when they can do it.
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{AccessControl} provides a general role based access control mechanism. Multiple hierarchical roles can be created and assigned each to multiple accounts.
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{Ownable} is a simpler mechanism with a single owner "role" that can be assigned to a single account. This simpler mechanism can be useful for quick tests but projects with production concerns are likely to outgrow it.