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tools-for-local-testing.md

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🧪 Tools for local testing

⬆️ Contract upgrades

To help test contract upgrades there is a simple script which will declare an upgradable contract on the locally running devnet and allow you to transfer funds to a local wallet.

  • Make sure you have devnet running locally (see Readme)

  • Start the tool and declare the contract (make note of the contract class hash for later)

    # switch to Node 18
nvm use 18

# start the tool
yarn devnet:upgrade-helper

  • Set the contract class hash in Settings → Manage Networks → Localhost → Advanced

  • You should then see that an account upgrade is available

  • Transfer some ETH to your local wallet so you have funds to upgrade

  • You can reset the contract class hash to make upgrade available again