The simple NFT with random number from ChainLink and URI from IPFS.
Deployed contract on Rinkeby at https://rinkeby.etherscan.io/address/0xb39b9c9fd256c8c72b7830f4788f62f0abbfa70e#code
Step 1:
Request some LINK tokens from faucet: https://rinkeby.chain.link.
You can enter the address of deployed contract or wallet address. If you use wallet address, you must transfer some LINK tokens to deployed contract. Because, the smart contract needs LINK to request random number from Chainlink blockchain.
Step 2:
Upload file to IPFS. You can use the IPFS Desktop downloaded at: https://github.com/ipfs/ipfs-desktop
The URI will look like this: https://ipfs.io/ipfs/QmP2sFmGJbw1yqK1HbJcDw1LhsUUm2wcXaSVYqZ6QgT7tq
Step 3:
Call the create at the AdvanceCollection.sol with tokenURI is the uploaded link from IPFS.
Step 4:
Check totalSupply, tokenIdToGene, tokenURI to verify result.