add destroy admin transaction

contracts/FlowtyWrapped.cdc

@@ -367,6 +367,10 @@ pub contract FlowtyWrapped: NonFungibleToken, ViewResolver {
         return self.editions[name] ?? panic("no edition found with given name")
     }
 
+    pub fun getAccountAddress(): Address {
+        return self.account.address
+    }
+
     init() {
         // Initialize the total supply
         self.totalSupply = 0

transactions/destroy_admin.cdc

@@ -0,0 +1,12 @@
+import "FlowtyWrapped"
+
+transaction {
+    prepare(acct: AuthAccount) {
+        let admin <- acct.load<@AnyResource>(from: FlowtyWrapped.AdminStoragePath)
+        destroy admin
+
+        // borrow the contract admin resource to make sure we haven't destroyed the wrong admin 
+        let publicAdmin = getAccount(FlowtyWrapped.getAccountAddress()).getCapability<&{FlowtyWrapped.AdminPublic}>(FlowtyWrapped.AdminPublicPath)
+        assert(publicAdmin.check(), message: "admin public isn't configured anymore!")
+    }
+}