Diamond ERC721

This implements ERC721 using EIP-2535 Diamond Pattern.

Uses code from https://github.com/mudgen/diamond-1-hardhat as base code.

Installation

1. Clone this repository

$ git clone https://github.com/Frenchkebab/diamond-erc721.git

2. Install dependencides

$ npm install

Test

$ npx hardhat test test/nftFacet.test.js

Test Result

  [NFTFacet Test]
        DiamondInit deployed: 0x5FbDB2315678afecb367f032d93F642f64180aa3

        <Deploying facets>
        DiamondCutFacet deployed: 0xe7f1725E7734CE288F8367e1Bb143E90bb3F0512
        DiamondLoupeFacet deployed: 0x9fE46736679d2D9a65F0992F2272dE9f3c7fa6e0
        OwnershipFacet deployed: 0xCf7Ed3AccA5a467e9e704C703E8D87F634fB0Fc9

        Diamond deployed: 0xDc64a140Aa3E981100a9becA4E685f962f0cF6C9

    NFTFacet
        DiamondNFTFacet deployed:  0x5FC8d32690cc91D4c39d9d3abcBD16989F875707
      ✔ should add NFTFacet functions (185ms)
      ✔ should initialize NFT Facet
      ✔ should revert when initializing more than once
      ✔ should have a name
      ✔ should have a symbol
      ✔ should support ERC165 and ERC721 interface
      ✔ should mint
    NFTFacetV2
      ✔ should replace mint function (91ms)
      ✔ should add setERC20TokenAddress function (68ms)
      ✔ should add ERC20TokenAddress function
      ✔ should set ERC20 token address
      ✔ should mint NFT with 10 JungTokens (52ms)
      ✔ should revert when trying to mint with 0.001 ETH

Facet Information

• contracts/Diamond.sol: an example implementation of a diamond.

• contracts/facets/DiamondCutFacet.sol: implementats diamondCut external function

• contracts/facets/DiamondLoupeFacet.sol: implements the four standard loupe functions.

• contracts/libraries/LibDiamond.sol: implements Diamond Storage and a diamondCut internal function

• contracts/facets/NFTFacet.sol: implementation of a classic ERC721 NFT contract. Need 0.001 ether to mint NFT.

• contracts/facets/NFTFacetV2.sol: Stores ERC20 token address and requires 10 JungToken(ERC20) to mint NFT.