near-reverse-auction

A contract allow user to mint NFT and hold an auction, the winner is the one with the single lowest bid.

Using this contract:

Login account:

near login
You should use some accounts to try the auction.

Set variable:

export ID=youracccount

Deploy contract:

near deploy --wasmFile res/contract.wasm --accountId $ID

Init contract:

near call $ID new '{"_owner_id":"'$ID'"}' --accountId $ID

You can use another account to mint nft, mint fee is 1N:

near call $ID mint_nft '{"_owner_id":[account1],"_token_data":{"title":"title","description":"description"}}' --accountId [account1] --deposit 1

Get list nft you own:

near call $ID get_token_by_owner '{"_owner_id":[account1]}' --accountId [account1]

Create an auction, create auction fee is 5N:

near call $ID create_auction '{"_token_id":1,"_auction_during_seconds":60}' --accountId [account1] --deposit 5

Get list auctions you own:

near call $ID get_auction_by_owner '{"_auction_id":1}' --accountId [account1]

Start an auction:

near call $ID start_auction '{"_auction_id":1}' --accountId [account1]

The participants now can commit their N:

near call $ID commit_auction '{"_auction_id":1}' --accountId [account2] --deposit 1
near call $ID commit_auction '{"_auction_id":1}' --accountId [account2] --deposit 1.5

The owner of the smart contract will continuously run the check function to check the status of the auctions:

near call $ID check_auctions --accountId $ID