2. External Interface
Last updated
Last updated
No.
Interface Name
Description
1
totalSupply()
Returns the total number of ERC-721 NFTs
2
balanceOf(address)
Returns the number of ERC-20 tokens owned by an account
3
ownerOf(uint256)
Returns the owner of the ERC-721 NFT
4
transfer(address, uint256)
Sends ERC-20 tokens to a specific address
5
allowance(address, address)
Returns the authorised limit
6
approve(address, uint256)
Approves a quantity of ERC-20 tokens for a specified address by checking the uint256 input parameter; if the quantity exceeds the total number of NFTs, it approves the specified quantity of ERC-20 tokens; otherwise, it approves the ERC-721 NFT for the specified address.
7
transferFrom(address, address, uint256)
Sends the approved quantity of ERC-20 tokens or ERC-721 NFTs to a specified address, based on the uint256 input parameter; if the quantity exceeds the total number of ERC-721 NFTs, it indicates sending the approved quantity of ERC-20 tokens; otherwise, it indicates sending the approved ERC-721 NFT
8
safeTransferFrom(address, address, uint256)
Sends the approved quantity of ERC-20 tokens or ERC-721 NFTs to a specified address safely, based on the uint256 input parameter; if the quantity exceeds the total ERC-721 NFTs, it indicates sending the approved quantity of ERC-20 tokens; otherwise, it indicates sending the approved ERC-721 NFT
9
setApprovalForAll(address, bool)
Approves a specified address to take ownership of all ERC-721 NFTs
10
getApproved(uint256)
Returns the address approved for a specific ERC-721 NFT
11
isApprovedForAll(address, address)
Determines whether a specified address has been approved to take ownership of all ERC-721 NFTs
12
randomTrade(uint256)
Randomly trades a certain quantity of ERC-721 NFTs
13
specificTrade(uint256[ ])
Trades specific ERC-721 NFTs
14
borrow(uint256[ ], uint256, uint256)
Using ERC-721 NFTs as collateral for a loan and sets loan terms to receive ERC-20 tokens, with added support for quoted orders
15
redeemOrPurchase(uint256[ ])
Redeems collaterised ERC-721 NFTs; if the ERC-721 NFT is used as collateral for consignment, it is purchased through the listing
16
outstandingLoanBalance(uint256)
Returns the borrowed amount