Hi, I was looking at the __Ownable_init function defined in the OwnableUpgradeable contract, and I couldn't understand why it is needed at all. As far as I can tell, only the __Ownable_init_unchained method is called in the other contracts that inherit from OwnableUpgradeable in this repository. S…

Hi @PaulRBerg , the _init functions have linearized calls to parent initializers, while _init_unchained functions do not. There is some documentation about this here: https://docs.openzeppelin.com/contracts/4.x/upgradeable#multiple-inheritance In the case of OwnableUpgradable, there just happens to…

Why keep "__Ownable_init" beside "__Ownable_init_unchained"?

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ericglau Split this topic May 22, 2024, 8:29pm 14

5 posts were split to a new topic: How to use Pausable in upgradeble contracts

Topic		Replies	Views
Initialize contracts with _init and _init_unchained Upgrades	1	705	January 10, 2024
Upgradeable `init` vs `init_unchained` - a follow up question to a closed thread Smart Contracts	0	437	April 20, 2023
Inheriting upgradeable contracts and initialize function Upgrades	1	1783	February 17, 2021
Should __Ownable_init() be called in the constructor of an OwnableUpgradeable implementation contract Smart Contracts	3	1526	December 13, 2021
The purpose of `__{ContractName}_init_unchained` from upgradeable contracts Smart Contracts erc721 , proxies	0	699	August 5, 2021

Why keep "__Ownable_init" beside "__Ownable_init_unchained"?

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