I want to create upgradeable contracts and I would love to use OpenZeppelin to that. However, I have mappings in my smart contract and as far as I understood it is not possible with dynamic-size data structures unless using [Unstructured storage. However, in this case the solution involves a lot of…

Hi @Suzana_Maranhao welcome to the community :wave: With the OpenZeppelin SDK your upgradeable contracts can include mappings. See the OpenZeppelin SDK Upgrades Pattern documentation: https://docs.openzeppelin.com/sdk/2.5/pattern The OpenZeppelin implementations of ERC20 and ERC721 both contain …

Hi @Suzana_Maranhao I wanted to check in with you to see how it was going. Do you have any more questions?

Upgradeability with mappings?

Archive SDK

Topic		Replies	Views
Compare OpenZeppelin SDK with ERC930/ERC1504 General	5	875	September 6, 2019
Evaluating using OpenZeppelin SDK General	2	1474	September 2, 2019
How to use a struct in an upgradable contract SDK	5	5674	January 27, 2021
New mapping in Base contract - Openzeppelin upgrades Upgrades proxies , upgrades , upgrades-plugins	1	639	May 9, 2022
About upgrade of ABIEncoderV2 and zeppelinos SDK	3	811	May 9, 2019

Upgradeability with mappings?

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