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Write a contract

This section explains how to automatically write a smart contract using the OpenZeppelin Wizard. The resulting smart contract code can either be integrated with Remix by Clicking the Open in Remix button, or copied to a clipboard and pasted in the user’s intended IDE.

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Getting started

Navigate to the OpenZeppelin Wizardarrow-up-right in your browser. First thing to notice is the Solidity Wizard and Cairo Wizard buttons.

One can choose any of the following tabs to begin creating an out-of-box smart contract code in either Solidity (for EVM chains) or Cairo (useful for Starknet). These are:

  • ERC20 for writing an ERC-20 token smart contract.

  • ERC721 for writing an NFT token smart contract.

  • ERC1155 for writing an ERC-1155 token smart contract.

  • Governor for creating a DAO.

  • Custom for writing a customized smart contract.

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Writing an NFT contract

For illustration purposes, we will be creating a NFT smart contract.

Suppose you wanted to create a Mintable, Burnable ERC721 token and specify an appropriate license for it.

  1. Select the ERC721 tab.

  2. Give your NFT a name and a symbol by filling the Name and Symbol fields.

  3. Use the check-boxes on the left to select features of your token.

  4. Put a tick on the Mintable check-box.

  5. Put a tick on the Auto Increment Ids check-box, this ensures uniqueness of each minted NFT.

  6. Put a tick on the Burnable check-box.

  7. Either leave the default MIT license or type the license of your choice.

Notice that new lines of code are automatically written each time a feature is selected.

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