cairo-nft-combo

A Cairo component extending OpenZeppelin ERC-721 tokens.

• Implements ERC-7572: Contract-level metadata
• Implements ERC-4906: Metadata Update Extension
• Implements ERC-2981: NFT Royalty Standard
• Fully on-chain metadata renderer with ERC721ComboHooksTrait
• New ERC-721 extension IERC721Minter, including...
  • Sequential minting with _mint_next()
  • Reserved supply and minting, with _mint_next_reserved()
  • Minting pause control with _set_minting_paused()
  • Max supply control (or infinite) with max_supply() and minted_supply()
  • Token availability with available_supply()
  • Token ID counter with last_token_id()

Next...

• ERC-1155 combo
• ERC-1155 example

Compatibility

Major version is paired with OpenZeppelin version.

	cairo-nft-combo	OpenZeppelin	Scarb	Branch
Version	1.2	>=1.0.0	>=2.13.1	main

Contents

• /packages/nft_combo: The cairo nft_combo component
• /example: A Dojo project with ERC-721 and ERC-20 example tokens.
• /src5: SRC5 interface generators.

Resources

• The Dojo Book
• OpenZeppelin Cairo Wizard
• OpenZeppelin Cairo Contracts
• OpenZeppelin ERC-721 component: erc721.cairo / erc20.cairo
• OpenZeppelin ERC-1155 component: erc1155.cairo
• OpenZeppelin ERC-20 component: erc20.cairo