Module market 

Structs

AuctionHouse

Player-driven auction house.

Bid

A bid placed on an auction listing.

Listing

An item posted for sale or auction on the AuctionHouse.

MailMessage

MarketBoard

Combines the AuctionHouse with a direct trade system and per-item history.

MarketHistory

Recent sale history for a single item.

TradeWindow

State of an active trade negotiation between two players.