I’m trying to do this right from the beginning and at the same time reduce the potential hair pulling in the future. I worked a bit with upgradable contracts with oz-cli’s help but so far I have some issues that prevent me from going on mainnet. Lets assume I have those contracts: // pseudocode …

Hi @ExeciN , When upgrading we can’t use the initializer modifier, so need to create a custom guard to ensure that the upgrade initialization function is only called once. See the following example: [image] Error Upgrading smart contracts SDK Hi @ethicraul , We can’t use …

Hi @ExeciN , Welcome to the community :wave: [image] ExeciN: Can I include the bytes32 at the end of BaseContractEnhancements and reduce the __enhancementGap array size by one? Yes, that is the right approach. A workaround for this is to declare unused variables on base contracts that you …

Hi @abcoathup , tanks for the inputs! [image] abcoathup: Note: When I tried it, the OpenZeppelin CLI didn’t recognise that a change had been made if I only changed the base contract. This is one of the issues I'm facing. Is there any workaround for that? Right now I'm thinking of 2 ways In…

[image] abcoathup: Note: When I tried it, the OpenZeppelin CLI didn’t recognise that a change had been made if I only changed the base contract. The CLI detects if a contract has changed based on its compiled bytecode, not its source. If you make a change to the source code, it will recompile…

Hi @spalladino & @ExeciN , Apologies, my error with the example that was too simple. The CLI does indeed detect when the bytecode changes with a new state variable added and being used in a function. I updated the example below: MyContract.sol // SPDX-License-Identifier:MIT pragma solidity ^0.6.0…

I tried a more complex example without any success. MyContract.sol pragma solidity ^0.6.0; import "@openzeppelin/contracts-ethereum-package/contracts/Initializable.sol"; import "./MyBase.sol"; contract MyContract is Initializable, MyBase { function initialize(string memory baseURI) public in…

Add new state variable to base contract for upgradeable contracts

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Topic		Replies	Views
Problem with adding state variable to Base contract in upgradable Contract Upgrades	1	1283	February 1, 2022
Upgrading base and child contracts Upgrades	13	2752	March 3, 2022
Upgrade your smart contract using OZ CLI Guides and Tutorials tutorial , proxies	6	1805	August 3, 2020
Add new state variable to base contract using storage gaps Upgrades	4	1502	January 31, 2021
New Base Contract in Upgradeable Contract Upgrades upgrades	2	983	July 22, 2022

Add new state variable to base contract for upgradeable contracts

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