DapperWalletCollections

1access(all) contract DapperWalletCollections {
2    access(all) let StoragePath: StoragePath
3
4    access(all) entitlement Owner
5
6    access(all) event TypeChanged(identifier: String, added: Bool)
7
8    access(self) let types: {Type: Bool}
9
10    access(all) resource Admin {
11        access(Owner) fun addType(_ t: Type) {
12            DapperWalletCollections.types.insert(key: t, true)
13            emit TypeChanged(identifier: t.identifier, added: true)
14        }
15
16        access(Owner) fun removeType( _ t: Type) {
17            DapperWalletCollections.types.remove(key: t)
18            emit TypeChanged(identifier: t.identifier, added: false)
19        }
20    }
21
22    access(all) fun containsType(_ t: Type): Bool {
23        return self.types.containsKey(t)
24    }
25
26    access(all) fun getTypes(): [Type] {
27        return self.types.keys
28    }
29
30    init () {
31        self.types = {}
32
33        self.StoragePath = /storage/dapperWalletCollections
34        self.account.storage.save(<- create Admin(), to: self.StoragePath)
35    }
36}