Auction

Smart Contract：[ThemisAuction.sol](Solidity-Open-Source/ThemisAuction.sol at main · Themis-protocol/Solidity-Open-Source · GitHub)

Functions

doAuction

Participation in the auction

There are two types of auction: buy it now and Dutch auction. In this method, amount has a minimum starting price requirement

Buy it now: when the amount paid for a lot is greater than or equal to the Buy it now price, it is counted as a buy it now price and the excess amount is returned to the user address

Dutch auction: no more details

function doAuction(
    uint256 auctionId,
    uint256 amount) external

Parameters:

Name	Type	Description
auctionId	uint256	The token ID of the lot
amount	uint256	Payment amount

doHarvestAuction

Claim the lot when user bid it succesful

function doHarvestAuction(uint256 auctionId) external

Parameters:

Name	Type	Description
auctionId	uint256	The token ID of the lot

getAuctioningIds

Get all lot IDs

function getAuctioningIds() external view returns (uint256[] memory)

getBidAuctioningIds

Get the IDs of lots with a history of participation

function getBidAuctioningIds() external view returns (uint256[] memory)

getUserBidAuctioningIds

Get the lot ID of the specified user's participation

function getUserBidAuctioningIds(
    address user
) public view returns (uint256[] memory)

Parameters:

Name	Type	Description
user	address	wallet address of a user

getUserBidAuctioningInfos

Get lots info in user participation

function getUserBidAuctioningInfos(
    address user
) external view returns (BidAuctionInfo[] memory)

Parameters:

Name	Type	Description
user	address	wallet address of a user

Returns:

BidAuctionInfo Data structure

Name	Type	Description
auctionId	uint256	lot ID
harvestAddress	address	winner's address
harvestFlag	boolean	Harvest or not?