I have a OZ v4 upgradeable contract which acts as a factory. I want to create new OZ v5 contracts to be deployed with the factory. However, I face two problems: How to use a single project for both contracts. How to test the new upgraded factory with v4 with the new v5 contracts, as the factory …

Just install them with an alias: npm install @openzeppelin-contracts@npm:@openzeppelin-contracts@latest npm install @openzeppelin-contracts-4@npm:@openzeppelin-contracts@4

Coexist of v5 and v4 contracts

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sadev October 18, 2023, 9:14am 6

Thank you! It was easier than I anticipated

1 Like

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Coexist of v5 and v4 contracts

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