diff --git a/.gitignore b/.gitignore index f61ce53..22e4dff 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,4 @@ .* -node_modules \ No newline at end of file +node_modules +build/ +docs/ \ No newline at end of file diff --git a/contracts/ERC721Tradable.sol b/contracts/ERC721Tradable.sol new file mode 100644 index 0000000..b297521 --- /dev/null +++ b/contracts/ERC721Tradable.sol @@ -0,0 +1,100 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; +import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol"; +import "@openzeppelin/contracts/access/Ownable.sol"; +import "@openzeppelin/contracts/utils/math/SafeMath.sol"; +import "@openzeppelin/contracts/utils/Strings.sol"; + +import "./common/meta-transactions/ContentMixin.sol"; +import "./common/meta-transactions/NativeMetaTransaction.sol"; + +contract OwnableDelegateProxy {} + +contract ProxyRegistry { + mapping(address => OwnableDelegateProxy) public proxies; +} + +/** + * @title ERC721Tradable + * ERC721Tradable - ERC721 contract that whitelists a trading address, and has minting functionality. + * @dev I added the _getCurrentTokenId manually, the rest of the contract is verbatim from https://github.com/ProjectOpenSea/opensea-creatures/blob/master/contracts/ERC721Tradable.sol + */ +abstract contract ERC721Tradable is ContextMixin, ERC721Enumerable, NativeMetaTransaction, Ownable { + using SafeMath for uint256; + + address proxyRegistryAddress; + uint256 private _currentTokenId = 0; + + constructor( + string memory _name, + string memory _symbol, + address _proxyRegistryAddress + ) ERC721(_name, _symbol) { + proxyRegistryAddress = _proxyRegistryAddress; + _initializeEIP712(_name); + } + + /** + * @dev Mints a token to an address with a tokenURI. + * @param _to address of the future owner of the token + */ + function mintTo(address _to) internal { + uint256 newTokenId = _getNextTokenId(); + _mint(_to, newTokenId); + _incrementTokenId(); + } + + /** + * @dev calculates the next token ID based on value of _currentTokenId + * @return uint256 for the next token ID + */ + function _getNextTokenId() internal view returns (uint256) { + return _currentTokenId.add(1); + } + + /** + * @dev increments the value of _currentTokenId + */ + function _incrementTokenId() private { + _currentTokenId++; + } + + function baseTokenURI() virtual public pure returns (string memory); + + function tokenURI(uint256 _tokenId) override public pure returns (string memory) { + return string(abi.encodePacked(baseTokenURI(), Strings.toString(_tokenId))); + } + + /** + * Override isApprovedForAll to whitelist user's OpenSea proxy accounts to enable gas-less listings. + */ + function isApprovedForAll(address owner, address operator) + override + public + view + returns (bool) + { + // Whitelist OpenSea proxy contract for easy trading. + ProxyRegistry proxyRegistry = ProxyRegistry(proxyRegistryAddress); + if (address(proxyRegistry.proxies(owner)) == operator) { + return true; + } + + return super.isApprovedForAll(owner, operator); + } + + /** + * This is used instead of msg.sender as transactions won't be sent by the original token owner, but by OpenSea. + */ + function _msgSender() + internal + override + view + returns (address sender) + { + return ContextMixin.msgSender(); + } +} \ No newline at end of file diff --git a/contracts/Migrations.sol b/contracts/Migrations.sol new file mode 100644 index 0000000..9aac975 --- /dev/null +++ b/contracts/Migrations.sol @@ -0,0 +1,19 @@ +// SPDX-License-Identifier: MIT +pragma solidity >=0.4.22 <0.9.0; + +contract Migrations { + address public owner = msg.sender; + uint public last_completed_migration; + + modifier restricted() { + require( + msg.sender == owner, + "This function is restricted to the contract's owner" + ); + _; + } + + function setCompleted(uint completed) public restricted { + last_completed_migration = completed; + } +} diff --git a/contracts/Rocketeer.sol b/contracts/Rocketeer.sol new file mode 100644 index 0000000..cb819dc --- /dev/null +++ b/contracts/Rocketeer.sol @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +import "./ERC721Tradable.sol"; + +/** + * @title Rocketeer + * Rocketeer - a contract for my non-fungible rocketeers + */ +contract Rocketeer is ERC721Tradable { + + // /////////////////////////////// + // Globals + // /////////////////////////////// + uint256 private ROCKETEER_MAX_SUPPLY = 5; + + // Construct as Opensea tradable item + constructor(address _proxyRegistryAddress) + ERC721Tradable("Rocketeer", "RCT", _proxyRegistryAddress) + { + // Birth the genesis Rocketeer + spawnRocketeer( owner() ); + } + + // /////////////////////////////// + // Oracles + // /////////////////////////////// + + // TODO: add Api data + // https://docs.opensea.io/docs/metadata-standards + function baseTokenURI() override public pure returns (string memory) { + return "https://us-central1-rocketeer-nft.cloudfunctions.net/testnetMetadata/rocketeer/"; + } + + // TODO: add API link + // https://docs.opensea.io/docs/contract-level-metadata + function contractURI() public pure returns (string memory) { + return "https://us-central1-rocketeer-nft.cloudfunctions.net/collection"; + } + + // /////////////////////////////// + // Minting + // /////////////////////////////// + + function spawnRocketeer( address _to ) public onlyOwner { + + uint256 nextTokenId = _getNextTokenId(); + + // No more than max supply + require( nextTokenId <= ROCKETEER_MAX_SUPPLY, "Maximum Rocketeer supply reached" ); + + // Every 42nd unit becomes a special edition, gas fees paid for but not owned by the minter + if( nextTokenId % 42 == 0 ) { + mintTo( owner() ); + } + + mintTo( _to ); + } + +} diff --git a/contracts/common/meta-transactions/ContentMixin.sol b/contracts/common/meta-transactions/ContentMixin.sol new file mode 100644 index 0000000..e427bd4 --- /dev/null +++ b/contracts/common/meta-transactions/ContentMixin.sol @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +abstract contract ContextMixin { + function msgSender() + internal + view + returns (address payable sender) + { + if (msg.sender == address(this)) { + bytes memory array = msg.data; + uint256 index = msg.data.length; + assembly { + // Load the 32 bytes word from memory with the address on the lower 20 bytes, and mask those. + sender := and( + mload(add(array, index)), + 0xffffffffffffffffffffffffffffffffffffffff + ) + } + } else { + sender = payable(msg.sender); + } + return sender; + } +} diff --git a/contracts/common/meta-transactions/EIP712Base.sol b/contracts/common/meta-transactions/EIP712Base.sol new file mode 100644 index 0000000..0a4145f --- /dev/null +++ b/contracts/common/meta-transactions/EIP712Base.sol @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +import {Initializable} from "./Initializable.sol"; + +contract EIP712Base is Initializable { + struct EIP712Domain { + string name; + string version; + address verifyingContract; + bytes32 salt; + } + + string constant public ERC712_VERSION = "1"; + + bytes32 internal constant EIP712_DOMAIN_TYPEHASH = keccak256( + bytes( + "EIP712Domain(string name,string version,address verifyingContract,bytes32 salt)" + ) + ); + bytes32 internal domainSeperator; + + // supposed to be called once while initializing. + // one of the contracts that inherits this contract follows proxy pattern + // so it is not possible to do this in a constructor + function _initializeEIP712( + string memory name + ) + internal + initializer + { + _setDomainSeperator(name); + } + + function _setDomainSeperator(string memory name) internal { + domainSeperator = keccak256( + abi.encode( + EIP712_DOMAIN_TYPEHASH, + keccak256(bytes(name)), + keccak256(bytes(ERC712_VERSION)), + address(this), + bytes32(getChainId()) + ) + ); + } + + function getDomainSeperator() public view returns (bytes32) { + return domainSeperator; + } + + function getChainId() public view returns (uint256) { + uint256 id; + assembly { + id := chainid() + } + return id; + } + + /** + * Accept message hash and returns hash message in EIP712 compatible form + * So that it can be used to recover signer from signature signed using EIP712 formatted data + * https://eips.ethereum.org/EIPS/eip-712 + * "\\x19" makes the encoding deterministic + * "\\x01" is the version byte to make it compatible to EIP-191 + */ + function toTypedMessageHash(bytes32 messageHash) + internal + view + returns (bytes32) + { + return + keccak256( + abi.encodePacked("\x19\x01", getDomainSeperator(), messageHash) + ); + } +} \ No newline at end of file diff --git a/contracts/common/meta-transactions/Initializable.sol b/contracts/common/meta-transactions/Initializable.sol new file mode 100644 index 0000000..1b75140 --- /dev/null +++ b/contracts/common/meta-transactions/Initializable.sol @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +contract Initializable { + bool inited = false; + + modifier initializer() { + require(!inited, "already inited"); + _; + inited = true; + } +} diff --git a/contracts/common/meta-transactions/NativeMetaTransaction.sol b/contracts/common/meta-transactions/NativeMetaTransaction.sol new file mode 100644 index 0000000..2d62b2e --- /dev/null +++ b/contracts/common/meta-transactions/NativeMetaTransaction.sol @@ -0,0 +1,106 @@ +// SPDX-License-Identifier: MIT + +pragma solidity ^0.8.0; + +import {SafeMath} from "@openzeppelin/contracts/utils/math/SafeMath.sol"; +import {EIP712Base} from "./EIP712Base.sol"; + +contract NativeMetaTransaction is EIP712Base { + using SafeMath for uint256; + bytes32 private constant META_TRANSACTION_TYPEHASH = keccak256( + bytes( + "MetaTransaction(uint256 nonce,address from,bytes functionSignature)" + ) + ); + event MetaTransactionExecuted( + address userAddress, + address payable relayerAddress, + bytes functionSignature + ); + mapping(address => uint256) nonces; + + /* + * Meta transaction structure. + * No point of including value field here as if user is doing value transfer then he has the funds to pay for gas + * He should call the desired function directly in that case. + */ + struct MetaTransaction { + uint256 nonce; + address from; + bytes functionSignature; + } + + function executeMetaTransaction( + address userAddress, + bytes memory functionSignature, + bytes32 sigR, + bytes32 sigS, + uint8 sigV + ) public payable returns (bytes memory) { + MetaTransaction memory metaTx = MetaTransaction({ + nonce: nonces[userAddress], + from: userAddress, + functionSignature: functionSignature + }); + + require( + verify(userAddress, metaTx, sigR, sigS, sigV), + "Signer and signature do not match" + ); + + // increase nonce for user (to avoid re-use) + nonces[userAddress] = nonces[userAddress].add(1); + + emit MetaTransactionExecuted( + userAddress, + payable(msg.sender), + functionSignature + ); + + // Append userAddress and relayer address at the end to extract it from calling context + (bool success, bytes memory returnData) = address(this).call( + abi.encodePacked(functionSignature, userAddress) + ); + require(success, "Function call not successful"); + + return returnData; + } + + function hashMetaTransaction(MetaTransaction memory metaTx) + internal + pure + returns (bytes32) + { + return + keccak256( + abi.encode( + META_TRANSACTION_TYPEHASH, + metaTx.nonce, + metaTx.from, + keccak256(metaTx.functionSignature) + ) + ); + } + + function getNonce(address user) public view returns (uint256 nonce) { + nonce = nonces[user]; + } + + function verify( + address signer, + MetaTransaction memory metaTx, + bytes32 sigR, + bytes32 sigS, + uint8 sigV + ) internal view returns (bool) { + require(signer != address(0), "NativeMetaTransaction: INVALID_SIGNER"); + return + signer == + ecrecover( + toTypedMessageHash(hashMetaTransaction(metaTx)), + sigV, + sigR, + sigS + ); + } +} diff --git a/firebase.json b/firebase.json new file mode 100644 index 0000000..f6962ed --- /dev/null +++ b/firebase.json @@ -0,0 +1,22 @@ +{ + "firestore": { + "rules": "firestore.rules", + "indexes": "firestore.indexes.json" + }, + "functions": { + "predeploy": [ + "npm --prefix \"$RESOURCE_DIR\" run lint" + ] + }, + "hosting": { + "public": "docs", + "ignore": [ + "firebase.json", + "**/.*", + "**/node_modules/**" + ] + }, + "storage": { + "rules": "storage.rules" + } +} diff --git a/firestore.indexes.json b/firestore.indexes.json new file mode 100644 index 0000000..415027e --- /dev/null +++ b/firestore.indexes.json @@ -0,0 +1,4 @@ +{ + "indexes": [], + "fieldOverrides": [] +} diff --git a/firestore.rules b/firestore.rules new file mode 100644 index 0000000..c38e3ae --- /dev/null +++ b/firestore.rules @@ -0,0 +1,8 @@ +rules_version = '2'; +service cloud.firestore { + match /databases/{database}/documents { + match /{document=**} { + allow read, write: if false; + } + } +} \ No newline at end of file diff --git a/migrations/1_initial_migration.js b/migrations/1_initial_migration.js new file mode 100644 index 0000000..16a7ba5 --- /dev/null +++ b/migrations/1_initial_migration.js @@ -0,0 +1,5 @@ +const Migrations = artifacts.require("Migrations"); + +module.exports = function (deployer) { + deployer.deploy(Migrations); +}; diff --git a/migrations/2_contract_migrations.js b/migrations/2_contract_migrations.js new file mode 100644 index 0000000..3c47cd7 --- /dev/null +++ b/migrations/2_contract_migrations.js @@ -0,0 +1,17 @@ +const Rocketeer = artifacts.require("./Rocketeer.sol"); + +module.exports = async (deployer, network, addresses) => { + + // OpenSea proxy registry addresses for rinkeby and mainnet. + // Source: https://github.com/ProjectOpenSea/opensea-creatures + let proxyRegistryAddress = "" + if (network === 'rinkeby') { + proxyRegistryAddress = "0xf57b2c51ded3a29e6891aba85459d600256cf317" + } else { + proxyRegistryAddress = "0xa5409ec958c83c3f309868babaca7c86dcb077c1" + } + + // Deploy rocketeer contract + await deployer.deploy(Rocketeer, proxyRegistryAddress, {gas: 5000000}) + +} \ No newline at end of file diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..6f36e7d --- /dev/null +++ b/package-lock.json @@ -0,0 +1,2309 @@ +{ + "name": "rocketeer-nft", + "version": "0.0.1", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "@babel/code-frame": { + "version": "7.15.8", + "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.15.8.tgz", + "integrity": "sha512-2IAnmn8zbvC/jKYhq5Ki9I+DwjlrtMPUCH/CpHvqI4dNnlwHwsxoIhlc8WcYY5LSYknXQtAlFYuHfqAFCvQ4Wg==", + "requires": { + "@babel/highlight": "^7.14.5" + } + }, + "@babel/compat-data": { + "version": "7.15.0", + "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.15.0.tgz", + "integrity": 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a/truffle-config.js b/truffle-config.js new file mode 100644 index 0000000..29924bd --- /dev/null +++ b/truffle-config.js @@ -0,0 +1,127 @@ +/** + * Use this file to configure your truffle project. It's seeded with some + * common settings for different networks and features like migrations, + * compilation and testing. Uncomment the ones you need or modify + * them to suit your project as necessary. + * + * More information about configuration can be found at: + * + * trufflesuite.com/docs/advanced/configuration + * + * To deploy via Infura you'll need a wallet provider (like @truffle/hdwallet-provider) + * to sign your transactions before they're sent to a remote public node. Infura accounts + * are available for free at: infura.io/register. + * + * You'll also need a mnemonic - the twelve word phrase the wallet uses to generate + * public/private key pairs. If you're publishing your code to GitHub make sure you load this + * phrase from a file you've .gitignored so it doesn't accidentally become public. + * + */ + +require('dotenv').config() + +const HDWalletProvider = require('@truffle/hdwallet-provider'); + +// Copied from https://github.com/ProjectOpenSea/opensea-creatures +const MNEMONIC = process.env.MNEMONIC; +const NODE_API_KEY = process.env.INFURA_KEY || process.env.ALCHEMY_KEY; +const isInfura = !!process.env.INFURA_KEY; + +const needsNodeAPI = + process.env.npm_config_argv && + (process.env.npm_config_argv.includes("rinkeby") || + process.env.npm_config_argv.includes("live")); + +if ((!MNEMONIC || !NODE_API_KEY) && needsNodeAPI) { + console.error("Please set a mnemonic and ALCHEMY_KEY or INFURA_KEY."); + process.exit(0); +} + +const rinkebyNodeUrl = isInfura + ? "https://rinkeby.infura.io/v3/" + NODE_API_KEY + : "https://eth-rinkeby.alchemyapi.io/v2/" + NODE_API_KEY; + +const mainnetNodeUrl = isInfura + ? "https://mainnet.infura.io/v3/" + NODE_API_KEY + : "https://eth-mainnet.alchemyapi.io/v2/" + NODE_API_KEY; + + +// const fs = require('fs'); +// const mnemonic = fs.readFileSync(".secret").toString().trim(); + +module.exports = { + /** + * Networks define how you connect to your ethereum client and let you set the + * defaults web3 uses to send transactions. If you don't specify one truffle + * will spin up a development blockchain for you on port 9545 when you + * run `develop` or `test`. You can ask a truffle command to use a specific + * network from the command line, e.g + * + * $ truffle test --network + */ + + networks: { + development: { + host: "localhost", + port: 7545, + gas: 5000000, + network_id: "*", // Match any network id + }, + rinkeby: { + provider: function () { + return new HDWalletProvider(MNEMONIC, rinkebyNodeUrl); + }, + gas: 5000000, + network_id: 4, + }, + live: { + network_id: 1, + provider: function () { + return new HDWalletProvider(MNEMONIC, mainnetNodeUrl); + }, + gas: 5000000, + gasPrice: 5000000000, + }, + }, + + // Set default mocha options here, use special reporters etc. + mocha: { + // timeout: 100000 + }, + + // Configure your compilers + compilers: { + solc: { + version: "0.8.0", // Fetch exact version from solc-bin (default: truffle's version) + // docker: true, // Use "0.5.1" you've installed locally with docker (default: false) + // settings: { // See the solidity docs for advice about optimization and evmVersion + // optimizer: { + // enabled: false, + // runs: 200 + // }, + // evmVersion: "byzantium" + // } + } + }, + + // Truffle DB is currently disabled by default; to enable it, change enabled: + // false to enabled: true. The default storage location can also be + // overridden by specifying the adapter settings, as shown in the commented code below. + // + // NOTE: It is not possible to migrate your contracts to truffle DB and you should + // make a backup of your artifacts to a safe location before enabling this feature. + // + // After you backed up your artifacts you can utilize db by running migrate as follows: + // $ truffle migrate --reset --compile-all + // + // db: { + // enabled: false, + // host: "127.0.0.1", + // adapter: { + // name: "sqlite", + // settings: { + // directory: ".db" + // } + // } + // } +};