It's an English auction for NFT.
Auction
- Serller of NFT deploys this contract.
- Auction lasts for 7 days.
- Participants can bid by depositing ETH greater than the current highest bidder.
- All bidders can withdraw their bid if it is not the current highest bid.
After the auction
- Highest bidder becomes the new owner of NFT.
- The seller receives the highest bid of ETH.