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ERC721RA v1.0 Beta Release
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‎.env.example

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ETHERSCAN_API_KEY=<YOUR ETHERSCAN API KEY>
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RINKEBY_URL=https://eth-rinkeby.alchemyapi.io/v2/<YOUR ALCHEMY KEY>
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PRIVATE_KEY=<YOUR PRIVATE KEY>
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REPORT_GAS=true

‎.eslintignore

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node_modules
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artifacts
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cache
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coverage

‎.eslintrc.js

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module.exports = {
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env: {
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browser: false,
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es2021: true,
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mocha: true,
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node: true,
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},
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extends: [
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"standard",
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"plugin:prettier/recommended",
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"plugin:node/recommended",
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],
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parserOptions: {
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ecmaVersion: 12,
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},
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overrides: [
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{
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files: ["hardhat.config.js"],
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globals: { task: true },
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},
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],
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};

‎.npmignore

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hardhat.config.js
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scripts
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test

‎.prettierignore

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node_modules
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artifacts
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cache
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coverage*
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gasReporterOutput.json

‎.prettierrc

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{}

‎.solhint.json

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{
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"extends": "solhint:recommended",
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"rules": {
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"compiler-version": ["error", "^0.8.0"],
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"func-visibility": ["warn", { "ignoreConstructors": true }]
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}
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}

‎.solhintignore

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node_modules

‎LICENSE

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MIT License
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Copyright (c) 2022 ERC721RA
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Copyright (c) 2022 Rari Labs
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal

‎README.md

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# erc721ra
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# ERC721RA - refundable and gas optimized NFT
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![ERC721RA](https://raw.githubusercontent.com/rarilabs/ERC721RA/main/assets/erc721ra-small.png)
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## What is ERC721RA?
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ERC721RA is an improved implementation of ERC721A with refundability and gas saving. It gives NFT owners freedom to return minted NFTs and get refund within a given time.
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The goal of this project is to encourage the adoption of ERC721RA NFT and improve creators credibility.
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For more information please visit [erc721ra.org](https://erc721ra.org). Follow us on twitter for [@ERC721RA](https://twitter.com/erc721ra) the latest updates. Join our [Github](https://github.com/erc721ra) project to collaborate.
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ERC721RA was initially created by Will Qian from Rari Labs for the NFT social 3.0 project.
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Rari Labs is not liable for any outcome of using ERC721RA
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## Gas Comparison ERC721RA vs ERC721
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The gas report is generated with Hardhat Gas Reporter. The minting performance is much more efficient and consistent.
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![gas-saving](https://raw.githubusercontent.com/rarilabs/ERC721RA/main/assets/gas-saving-small.png)
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## Get Started
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Install Hardhat
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```
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yarn add hardhat
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```
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Install following to run the sample project
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```
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yarn add @nomiclabs/hardhat-waffle ethereum-waffle chai @nomiclabs/hardhat-ethers ethers @nomiclabs/hardhat-etherscan hardhat-gas-reporter solidity-coverage @openzeppelin/contracts
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```
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## Usage
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```
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pragma solidity ^0.8.7;
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import "./ERC721RA.sol";
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contract Rari is ERC721RA {
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constructor() ERC721RA("Rari", "RARI") {}
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function mint(uint256 amount) external payable {
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_safeMint(_msgSender(), amount);
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}
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function refund(uint256 tokenId) external {
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_refund(_msgSender(), tokenId);
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}
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}
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```
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## Contact
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- 0xWil (creator) - [@0xwilxyz](https://twitter.com/0xwilxyz)
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- Kuncle (Contributor) - [@KingsUncle1](https://twitter.com/KingsUncle1)
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- Lucky (Contributor) - [@millsonzhou](https://twitter.com/millsonzhou)
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- Joyce (Contributor) - [@joydefender](https://twitter.com/joydefender)
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**Join ERC721RA as a contributor: [Apply Now](https://forms.gle/32uiJ6d7e8McddaK6)**
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## License
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Distribution under the MIT License.
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![ERC721RA](https://raw.githubusercontent.com/rarilabs/ERC721RA/main/assets/erc721ra-banner.png)

‎assets/erc721ra-banner.png

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‎assets/erc721ra-profile.png

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‎assets/erc721ra-small.png

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‎assets/erc721ra.png

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‎assets/gas-saving-small.png

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‎assets/gas-saving.png

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