About
This repo record some smart contract sample codes and techniques.
ERC20 projects
- contracts/erc20/XEN/DBXen DBXen
- contracts/erc20/XEN/XEN XEN Crypto main contract
- contracts/erc20/XEN/NFT XEN Crypto NFT
- contracts/erc20/Lido Lido proxy contract
- contracts/erc20/Lido Lido implementation contract
- contracts/erc20/Uniswap/merkle-distributor-master Uniswap airdrop distributor
NFT projects
- contracts/nfts/ENS ENS
- contracts/nfts/ENS/NameWrapper ENS NameWrapper
- contracts/nfts/@chainlink Chainlink contracts
- contracts/nfts/@openzeppelin OZ contracts
- contracts/nfts/ERC-721A Keep track of ERC-721A update changes
- contracts/nfts/ERC-721psi Keep track of ERC-721psi update changes
- contracts/nfts/3Landers ERC721 wirh VRF random token id, EIP712 whitelisting
- contracts/nfts/Alpaca2D
- contracts/nfts/Karafuru
- contracts/nfts/AZUKI
- contracts/nfts/BladeRunnerPunks
- contracts/nfts/Gooniez
- contracts/nfts/HapebestToken
- contracts/nfts/KillerGF
- contracts/nfts/LiveOfAsuna
- contracts/nfts/MyPetHooligan
- contracts/nfts/Pixelmon
- contracts/nfts/SuperNormal
- contracts/nfts/CityDAO
- contracts/nfts/Gooniez-with-ERC20 NFT with claimable ERC20 tokens
- contracts/nfts/ConiunIO-ERC721A
- contracts/nfts/ConiunIO-ERC721A/CBOXRandomSeedGenerator.sol Coniun CBox random seed generator
- contracts/nfts/Doodles/SpaceDoodles
- contracts/nfts/Doodles/Dooplicator ERC721A Dooplicator
- contracts/nfts/MURI ERC721A NFT
- contracts/nfts/LateDAO ERC721A NFT with ECDSA whitelisting
- contracts/nfts/CyberBrokers A first-of-its-kind NFT fully on-chain SVG JSON data
- contracts/nfts/MutantShibaClub ERC721A NFT
- contracts/nfts/Impostors ERC721 with gas saving similar to ERC-721A but not implemanting it
- contracts/nfts/RTFKT RTFKT ERC 1155 burnable to convert to ERC-721 NFT and 2 items
- contracts/nfts/Otherside BAYC Otherside land contract, ERC721Enumerable
- contracts/nfts/OxyanOrigin/ Oxyan Origin NFT
- contracts/nfts/OxyanOrigin/ Oxyan Staking contract
- contracts/nfts/CultureCubsOfficial/PledgeMint.sol Pledge Mint for CultureCubsOfficial,
https://culturecubs.pledgemint.io - contracts/nfts/CultureCubsOfficial CultureCubsOfficial owner address
- contracts/nfts/NeoTokyo Neo Tokyo Part 2 Vault Cards
- contracts/nfts/RTFKT RTFKT
- contracts/nfts/ProofOfMerge Proof of Merge
- contracts/nfts/OpenSea/seaport-v1.1 OpenSea Seaport v1.1
- contracts/nfts/RedditCollectibleAvatars (Polygon) RedditCollectibleAvatars (upgradeable contract)
- contracts/nfts/LlamaLend/* LlamaLend NFT lending platform
https://llamalend.com/. - contracts/nfts/Porsche Porsche - RoadsToDreams NFT
- contracts/nfts/OnTheEdgeOfOblivion-BTC-bridged-NFT On the edge of oblivion
- contracts/nfts/Nakamigos Nakamigos NFT
- contracts/nfts/WPUNKS WrappedPunk, consists of 2 contracts, https://opensea.io/collection/wrapped-cryptopunks
HOW-TO techniques
- contracts/nfts/HOW-TO-ProxyRegistry-Opensea/*: (Use in your own risk as it can be dangerous) How to work with proxy registry for Opensea addresses
- contracts/nfts/HOW-TO-SignMessage-ECDSA/*: How to do ECDSA signature
- contracts/nfts/HOW-TO-Random-Basic/*: How to do basic on-chain randomness
Chainlink codes
- contracts/chainlink/VRF Use Chainlink to generate random numbers
- contracts/chainlink/FeedsNFT Use Chainlink to generate dynamic SVG image for token uri value
- contracts/chainlink/TeslaConsumer Use Chainlink to connect Tesla Vehicle API
Next.js sample codes
- contracts/nextjs-marketplace/NFT How to Build a Full Stack NFT Marketplace
- contracts/nextjs-marketplace/Market How to Build a Full Stack NFT Marketplace