合约结构

[dajuguan]

Contracts Structure

|- var totalFLOATEvents:UInt64
|- ThemeStruct {id, host, name, string, url}
|- resource Theme //赛事主题
- theme: ThemeStruct
|- fun createTheme(id:Int, name:String,metadata:URL): @theme
|- resource Event //单个赛事
- let eventId,name,description,host
- var claimable: bool
- var totalSupply:UInt64
- var claimed: {Address: UInt32}
- eventsCap: Capability<&Events> //链接到Event
- var themes: [ThemeStruct] //赛事相关所有主题
- addTheme(theme:ThemeStruct):Int //项目管理者添加赛事主题
- init(_eventDescription, , _eventName,_eventHost)
- fun purchase(recipient: &Collection, params: {String: AnyStruct}, payment: @FungibleToken.Vault) //购买mint，调用管理员后门mint
- fun mint(recipient: &Collection{NonFungibleToken.CollectionPublic}): UInt64 //管理员后门mint
- fun mintTheme(recipient: &Collection{NonFungibleToken.CollectionPublic}, themId:UInt32): @Theme//mint主题NFT

|- resource interface CollectionPublic //用户存储这些Events的NFT
- var ownedNFTs: @{UInt64: NonFungibleToken.NFT} //存储所有的NFT
- pub fun borrowEvent(id: UInt64): &NFT?
- pub fun deposit(token: @NonFungibleToken.NFT)
- pub fun withdraw(withdrawID: UInt64): @NonFungibleToken.NFT
- pub fun borrowFLOAT(id: UInt64): &NFT?
- pub fun getIDs(): [UInt64] //返回所有的NFT

|- resource Events //赛事的集合
- var events: @{UInt64: Event}
- fun createEvent(name,description，host): UInt64 //创建赛事
- fun borrowEventRef(eventId: UInt64): &Event? //便于读取赛事信息
- fun getIDs(): [UInt64]
|- fun createEmptyCollection(): @Collection
|- fun createEmptyEventsCollection(): @Events