NFT Marketplace

A dapp for selling and purchasing NFTs.

Smart Contracts

• Token (token_alpha)
• NFTMinter (tom_and_jerry, mickey_mouse)
• MarketplaceNFTMinter (collection_marketplace)
• NFTMarketplace (nft_marketplace)

Tools and Technologies Used

• nft:
  • IPFS, NFTs, Python
• contract:
  • Smart contracts (ERC20, IERC20, ERC721Enumerable, ERC721URIStorage, Ownable, IERC721Receiver)
  • Hardhat, Ethers.js, Solidity, OpenZeppelin, Remix IDE, Ethereum, EVM (Ethereum Virtual Machine), Blockchain, Etherscan, JavaScript, Mocha Testcases, Solidity code coverage
• dapp:
  • React.js, Web3.js, Nginx, Metamask wallet
• Docker and Containers
• Ethernal dashboard - EVM compatible private blockchain network explorer.
• GitHub actions

How To Run?

• Upload NFTs to IPFS
• Deploy smart contracts to the blockchain
• Run the dapp

Workflow

1. Token [name, symbol, maxSupply, totalSupply, balanceOf (hash_wallet_accounts)]
2. NFTMinter [name, symbol, owner, baseURI, maxSupply, totalSupply, cost, customPaymentCurrencies, getCustomPaymentCurrencies]
3. NFTMinter [mint - with native token for user (not for owner)]
4. Token [balanceOf (user), approve (all balance tokens of user as an allowance to spend by NFTMinter smart contract), allowance], NFTMinter [mint - with custom token for user (not for owner)]
5. NFTMinter [totalSupply, balanceOf, walletOfOwner, tokenURI, ownerOf]
6. MarketplaceNFTMinter [name, symbol, owner, totalSupply, cost]
7. MarketplaceNFTMinter [mint - 10 mickey_mouse NFTs for user(not for owner)]
8. MarketplaceNFTMinter [totalSupply, balanceOf, walletOfOwner, tokenURI, ownerOf]
9. NFTMarketplace [owner, nftCollections, getNFTCollections, nftListingFee]
10. NFTMinter and MarketplaceNFTMinter [setApprovalForAll (set NFTMarketplace smart contract as operator to handle all NFTs of a particular user account), isApprovedForAll]
11. NFTMarketplace [listNFTs, getListedNFTs, getListedNFTsOfSeller, getNFTsOfUser, marketplaceNFTs]
12. NFTMarketplace [buyNFT, getListedNFTs, getListedNFTsOfSeller, getNFTsOfUser, marketplaceNFTs]
13. NFTMarketplace [unlistNFTs, getListedNFTs, getListedNFTsOfSeller, getNFTsOfUser, marketplaceNFTs], NFTMinter or MarketplaceNFTMinter [ownerOf, walletOfOwner]