Auction Module Overview

Auction Module

NFT market for Cosmos Gaming Hub
Final Image Ex: https://opensea.io/

Requirements

• NFT module

Functions

• fixed price order and royalty (implemented in affondra)
  • CreateItemMsg

  type MsgCreateItem struct {
    ID          string
    Creator     sdk.AccAddress `json:"creator" yaml:"creator"`
    Denom       string         `json:"denom" yaml:"denom"`
    NftId       string         `json:"nftId" yaml:"nftId"`
    Price       sdk.Coin       `json:"price" yaml:"price"`
    Affiliate   sdk.Coin       `json:"affiliate" yaml:"affiliate"`
    Description string         `json:"description" yaml:"description"`
    InSale      bool           `json:"inSale" yaml:"inSale"`
  }

  • BuyItemMsg

  type MsgBuyItem struct {
    ID           string         `json:"id" yaml:"id"`
    Receiver     sdk.AccAddress `json:"receiver" yaml:"receiver"`
    IntroducedBy sdk.AccAddress `json:"introduced_by" yaml:"introduced_by"`
  }

If someone buy an item in a market, then the person should pay for the royalty as a market fee.

• Auction

  • StartAuction

  type StartAuctionMsg struct {
    AuctionID   string
    Creator     sdk.AccAddress 
    Denom       string         
    NftId       string        
    MinPrice    sdk.Coin     
    Affiliate   sdk.Coin       
    Description string       
    Expire      int64 # Block Number
  }

  • TenderAuction

  type TenderAuctionMsg struct {
    AuctionID   string
    Price       sdk.Coin 
  }

• Offer

  type SendOfferMsg struct {
    OfferID     string
    ItemID      string
    Sender      sdk.AccAddress    
    OfferPrice  sdk.Coin     
    Expire      int64 # Block Number
    IsValid     bool
  }

  type AcceptOfferMsg struct {
    OfferID    string
  }

Tx

Query