raffle source for FLOAT events

contracts/FLOATRaffleSource.cdc

@@ -0,0 +1,42 @@
+import "FlowtyRaffles"
+import "FLOAT"
+
+pub contract FLOATRaffleSource {
+    pub resource RaffleSource {
+        pub let eventCap: Capability<&FLOAT.FLOATEvents{FLOAT.FLOATEventsPublic}>
+        pub let eventId: UInt64
+
+        pub fun getEntries(): [AnyStruct] {
+            return self.borrowEvent().getClaims().values
+        }
+
+        pub fun getEntryCount(): Int {
+            return self.borrowEvent().getClaims().length
+        }
+
+        pub fun getEntryAt(index: Int): AnyStruct {
+            return self.borrowEvent().getClaims()[UInt64(index)]
+        }
+
+        pub fun revealCallback(drawingResult: FlowtyRaffles.DrawingResult) {
+            return
+        }
+
+        pub fun borrowEvent(): &FLOAT.FLOATEvent{FLOAT.FLOATEventPublic} {
+            let cap = self.eventCap.borrow() ?? panic("eventCap is not valid")
+            return cap.borrowPublicEventRef(eventId: self.eventId) ?? panic("invalid event id")
+        }
+
+        init(eventCap: Capability<&FLOAT.FLOATEvents{FLOAT.FLOATEventsPublic}>, eventId: UInt64) {
+            self.eventCap = eventCap
+            self.eventId = eventId
+
+            // ensure we can borrow the event. This will panic if the we aren't able to
+            self.borrowEvent()
+        }
+    }
+
+    pub fun createRaffleSource(eventCap: Capability<&FLOAT.FLOATEvents{FLOAT.FLOATEventsPublic}>, eventId: UInt64): @RaffleSource {
+        return <- create RaffleSource(eventCap: eventCap, eventId: eventId)
+    }
+}