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 …

Upgradeability with mappings?

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abcoathup Split this topic September 2, 2019, 11:07pm 3

A post was merged into an existing topic: Evaluating using OpenZeppelin SDK

Topic		Replies	Views
Compare OpenZeppelin SDK with ERC930/ERC1504 General	5	848	September 6, 2019
Evaluating using OpenZeppelin SDK General	3	1439	September 2, 2019
About upgrade of ABIEncoderV2 and zeppelinos SDK	3	794	May 9, 2019
How to use a struct in an upgradable contract SDK	5	5634	January 27, 2021
Structs and Upgradeable Safe contracts Upgrades	3	1791	January 27, 2021

Upgradeability with mappings?

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